CN103974320A - Radio resource management measuring method and radio resource management measuring system - Google Patents

Radio resource management measuring method and radio resource management measuring system Download PDF

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Publication number
CN103974320A
CN103974320A CN201310043729.2A CN201310043729A CN103974320A CN 103974320 A CN103974320 A CN 103974320A CN 201310043729 A CN201310043729 A CN 201310043729A CN 103974320 A CN103974320 A CN 103974320A
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China
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carrier
rrm measurement
carrier wave
rrm
measurement result
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CN201310043729.2A
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Chinese (zh)
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卢科学
苟伟
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ZTE Corp
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ZTE Corp
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Priority to CN201310043729.2A priority Critical patent/CN103974320A/en
Priority to PCT/CN2014/071128 priority patent/WO2014117671A1/en
Publication of CN103974320A publication Critical patent/CN103974320A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a radio resource management measuring method and a radio resource management measuring system. The method comprises the following steps of configuring quasi replacement information on measurement of radio resource management (RRM) for user equipment (UE) by using a base station; and transmitting the quasi replacement information to the UE by using the base station. The quasi replacement information is used for indicating that a RRM measurement result of a first carrier wave can replace a RRM measurement result of a second carrier wave; and the first carrier wave is different from the second carrier wave. By using the radio resource management measuring method and the radio resource management measuring system, the RRM measurement frequency of the UE is reduced, the pilot frequency measurement frequency of the UE is reduced when pilot frequency is switched, and the UE energy consumption is reduced.

Description

The method and system that RRM is measured
Technical field
The present invention relates to the communications field, the method and system of measuring in particular to a kind of RRM.
Background technology
Along with the development of Mobile Communication Industry and the continuous growth to mobile data services demand, speed and service quality (the Quality ofService of people to mobile communication, referred to as QoS) requirement more and more higher, so at 3G (Third Generation) Moblie (3rdGeneration, referred to as 3G) also there is no extensive commercialization before, just start the research-and-development activity to next generation mobile communication system, wherein relatively be typically third generation partner program (3rd Generation Partnership Project, referred to as 3GPP) start Long Term Evolution (Long Term Evolution, referred to as LTE) project, the available maximum spectrum bandwidth of LTE system is 20MHz(megahertz).Along with the further evolution of network, evolution LTE(LTE-A) as the evolution system of LTE, can provide the spectral bandwidth up to 100MHz, support more flexible higher-quality communication, LTE-A system possesses good backwards compatibility simultaneously.In LTE-A system, there is multiple component carriers (Component Carrier, referred to as CC), a LTE terminal can only be operated on the CC of some backward compatibility, and the stronger LTE-A terminal of ability can be transmitted simultaneously on multiple CC, realize terminal transmission and the reception data in multiple component carriers simultaneously of LTE-A, thereby reach the object that promotes bandwidth, this technology is called as multi-carrier polymerizing technology.After multi-transceiver technology is introduced, the appellation of community and carrier wave is of equal value, and a carrier wave is exactly Yi Ge community, and Yi Ge community is exactly a carrier wave, and therefore, hereinafter community and carrier wave are equivalent.
At present, the multicarrier standard operation of LTE is very ripe, but along with the lifting of number of users, need to support its transfer of data for UE provides more carrier wave, for example LTE supports that maximum 5 carrier waves are UE service simultaneously at present, mean that so UE need to will carry out RRM (Radio Resource Management, referred to as RRM) for 5 carrier waves and measure, the workload that causes RRM to measure significantly increases.In addition, introduced small-cell (small cell) in LTE R12, the covering radius of small cell is very little, and density ratio is larger, can cause like this UE between small cell, to switch continually, so, must cause a large amount of RRM measurement demands to UE.
Between small-cell, switch continually for UE in correlation technique the large problem of RRM surveying work quantitative change that causes UE, not yet propose at present effective solution.
Summary of the invention
The invention provides the method and system that a kind of RRM is measured, at least to address the above problem.
According to an aspect of the present invention, a kind of method that provides RRM to measure, comprise: base station is the accurate alternative information that subscriber equipment (UE) allocation radio resource management (RRM) is measured, wherein, the RRM measurement result that accurate alternative information is used to indicate first carrier can substitute the RRM measurement result of the second carrier wave, and first carrier and the second carrier wave are different carrier waves; Accurate alternative information is sent to UE by base station.
Preferably, accurate alternative information comprises: the identification information of the identification information of first carrier and the second carrier wave.
Preferably, accurate alternative information also comprise following one of at least: first carrier is carried out to the first reference signal information that need to use when RRM measures, the second reference signal information corresponding to RRM measurement result of the second carrier wave.
Preferably, the identification information of the identification information of first carrier and the second carrier wave include following one of at least: the index of physical label ID, channel state information reference signals (CSI-RS), virtual subdistrict mark ID, carrier frequency point.
Preferably, the first reference signal information and the second reference signal information include: reference signal type and configuration information corresponding to reference signal type.
Preferably, reference signal type comprise following one of at least: channel state information reference signals (CSI-RS), public reference signal (CRS), the public reference signal (RCRS), the demodulated reference signal (DMRS) that reduce.
Preferably, it is one of following that the configuration information that CSI-RS is corresponding comprises: with configuration information, the CSI-RS port information of CSI-RS-Config parametric description CSI-RS; The configuration information that CRS is corresponding comprises: CRS port information; It is one of following that the configuration information that RCRS is corresponding comprises: RCRS bandwidth information, carrier frame information; It is one of following that the configuration information that DMRS is corresponding comprises: DMRS port information, DMRS precoding information.
Preferably, accurate alternative information comprises: Multicast Broadcast Single Frequency Network (MBSFN) subframe configuration information of first carrier.
Preferably, the type of first carrier and the second carrier wave includes one of following: new carrier type, compatible carrier wave type, the new carrier wave of independent operation, the new carrier wave of dependent operation, synchronous new carrier wave, asynchronous new carrier wave.
Preferably, UE carries out the operation that RRM measures after receiving accurate alternative information, comprising: UE carries out RRM measurement according to accurate alternative information to first carrier, and the RRM measurement result using the RRM measurement result obtaining as the second carrier wave reports base station or uses voluntarily.
Preferably, RRM measuring object comprises that following parameter one of at least: Reference Signal Received Power (RSRP), received signal strength indicator (RSSI), Reference Signal Received Quality (RSRQ).
Preferably, base station one of in the following manner sends to UE by accurate alternative information: sent, sent, sent by the main carrier of UE the UE allocating multiple carrier in the situation that by UE dedicated radio resources control (RRC) message by system broadcast message.
Preferably, before accurate alternative information being sent in base station to UE execution RRM measurement, comprising: base station receives UE first carrier and the second carrier wave are carried out to the RRM measurement report obtaining after RRM measurement.
Preferably, after accurate alternative information being sent in base station to UE execution RRM measurement, comprise: base station receives the 2nd RRM measurement report that UE sends, and wherein, the 2nd RRM measurement report comprises the RRM measurement result of first carrier and the compensating factor corresponding to RRM measurement result of the second carrier wave.
According to a further aspect in the invention, the system that provides a kind of RRM to measure, be deployed in base station side, comprise: configuration module, the accurate alternative information that is used to subscriber equipment (UE) allocation radio resource management (RRM) to measure, wherein, the RRM measurement result that accurate alternative information is used to indicate first carrier can substitute the RRM measurement result of the second carrier wave, and first carrier and the second carrier wave are different carrier waves; Sending module, for sending to UE by accurate alternative information.
Preferably, accurate alternative information comprises: the identification information of the identification information of first carrier and the second carrier wave.
Preferably, accurate alternative information also comprise following one of at least: first carrier is carried out to the first reference signal information that need to use when RRM measures, the second reference signal information corresponding to RRM measurement result of the second carrier wave.
Preferably, accurate alternative information comprises: Multicast Broadcast Single Frequency Network (MBSFN) subframe configuration information of first carrier.
Preferably, the type of first carrier and the second carrier wave includes one of following: new carrier type, compatible carrier wave type, the new carrier wave of independent operation, the new carrier wave of dependent operation, synchronous new carrier wave, asynchronous new carrier wave.
Preferably, UE carries out RRM measurement operation after receiving accurate alternative information, comprising: UE carries out RRM measurement according to accurate alternative information to first carrier, and the RRM measurement result using the RRM measurement result obtaining as the second carrier wave reports base station or uses voluntarily.
Preferably, the object that RRM measures comprises that following parameter one of at least: Reference Signal Received Power (RSRP), received signal strength indicator (RSSI), Reference Signal Received Quality (RSRQ).
According to another aspect of the invention, a kind of method that provides RRM to measure, comprise: base station is the accurate alternative information that subscriber equipment (UE) allocation radio resource management (RRM) is measured, wherein, accurate alternative information is used to indicate the RRM measurement result of first carrier and the RRM measurement result of the second carrier wave can phase trans-substitution, and first carrier and the second carrier wave are different carrier waves; Accurate alternative information is sent to UE by base station.
Preferably, accurate alternative information comprises: the identification information of the identification information of first carrier and the second carrier wave.
Preferably, accurate alternative information also comprise following one of at least: first carrier or the second carrier wave are carried out to the Multicast Broadcast Single Frequency Network MBSFN subframe configuration information in reference signal information, first carrier and second carrier wave that need to use when RRM measures.
Preferably, the identification information of the identification information of first carrier and the second carrier wave include following one of at least: the index of physical label ID, channel state information reference signals (CSI-RS), virtual subdistrict mark ID, carrier frequency point.
Preferably, reference signal information comprises: reference signal type and configuration information corresponding to reference signal type.
Preferably, reference signal type comprise following one of at least: channel state information reference signals (CSI-RS), public reference signal (CRS), the public reference signal (RCRS), the demodulated reference signal (DMRS) that reduce.
Preferably, it is one of following that the configuration information that CSI-RS is corresponding comprises: with configuration information, the CSI-RS port information of CSI-RS-Config parametric description CSI-RS; The configuration information that CRS is corresponding comprises: CRS port information; It is one of following that the configuration information that RCRS is corresponding comprises: RCRS bandwidth information, carrier frame information; It is one of following that the configuration information that DMRS is corresponding comprises: DMRS port information, DMRS precoding information.
Preferably, the type of first carrier and the second carrier wave includes one of following: new carrier type, compatible carrier wave type, the new carrier wave of independent operation, the new carrier wave of dependent operation, synchronous new carrier wave, asynchronous new carrier wave.
Preferably, UE carries out RRM measurement operation after receiving accurate alternative information, comprise: UE carries out RRM measurement according to accurate alternative information to first carrier or the second carrier wave, in the situation that UE carries out RRM measurement to first carrier, the RRM measurement result of UE using the RRM measurement result obtaining as the second carrier wave reports base station or uses voluntarily, in the situation that UE carries out RRM measurement to the second carrier wave, the RRM measurement result of UE using the RRM measurement result obtaining as first carrier reports base station or uses voluntarily.
According to another aspect of the invention, the system that provides a kind of RRM to measure, be deployed in base station, comprise: configuration module, the accurate alternative information that is used to subscriber equipment (UE) allocation radio resource management (RRM) to measure, wherein, accurate alternative information is used to indicate the RRM measurement result of first carrier and the RRM measurement result of the second carrier wave can phase trans-substitution, and first carrier and the second carrier wave are different carrier waves; Sending module, for sending to UE by accurate alternative information.
Preferably, accurate alternative information comprises: the identification information of the identification information of first carrier and the second carrier wave.
Preferably, accurate alternative information also comprise following one of at least: first carrier or the second carrier wave are carried out to Multicast Broadcast Single Frequency Network (MBSFN) subframe configuration information in reference signal information, first carrier and second carrier wave that need to use when RRM measures.
Preferably, the identification information of the identification information of first carrier and the second carrier wave include following one of at least: the index of physical label ID, channel state information reference signals (CSI-RS), virtual subdistrict mark ID, carrier frequency point.
Preferably, the type of first carrier and the second carrier wave comprises one of following: new carrier type, compatible carrier wave type, the new carrier wave of independent operation, the new carrier wave of dependent operation, synchronous new carrier wave, asynchronous new carrier wave.
Preferably, UE carries out RRM measurement operation after receiving accurate alternative information, comprise: UE carries out RRM measurement according to accurate alternative information to first carrier or the second carrier wave, in the situation that UE carries out RRM measurement to first carrier, the RRM measurement result of UE using the RRM measurement result obtaining as the second carrier wave reports base station or uses voluntarily, in the situation that UE carries out RRM measurement to the second carrier wave, the RRM measurement result of UE using the RRM measurement result obtaining as first carrier reports base station or uses voluntarily.
According to another aspect of the invention, a kind of method that provides RRM to measure, comprise: subscriber equipment (UE) receives the accurate alternative information of RRM (RRM) measurement of base station configuration, wherein, the RRM measurement result that accurate alternative information is used to indicate first carrier can substitute the RRM measurement result of the second carrier wave, and first carrier and the second carrier wave are different carrier waves; UE carries out RRM measurement according to accurate alternative information to first carrier, the RRM measurement result using the RRM measurement result obtaining as the second carrier wave.
Preferably, after the RRM measurement result at UE using the RRM measurement result obtaining as the second carrier wave, comprising: UE reports the RRM measurement result of the second carrier wave to network side.
Preferably, the object that RRM measures comprises that following parameter one of at least: Reference Signal Received Power (RSRP), received signal strength indicator (RSSI), Reference Signal Received Quality (RSRQ).
According to another aspect of the invention, the system that provides a kind of RRM to measure, comprise: the RRM measurement mechanism that is positioned at subscriber equipment (UE), RRM measurement mechanism comprises: receiver module, the accurate alternative information of measuring for receiving the RRM (RRM) of base station configuration, wherein, the RRM measurement result that accurate alternative information is used to indicate first carrier can substitute the RRM measurement result of the second carrier wave, and first carrier and the second carrier wave are different carrier waves; Measurement module, for according to accurate alternative information, first carrier being carried out to RRM measurement, using the RRM measurement result obtaining as the 2nd RRM measurement result.
Preferably, this RRM measurement mechanism also comprises: reporting module, and for reporting the RRM measurement result of the second carrier wave.
Preferably, the object that RRM measures comprises that following parameter one of at least: Reference Signal Received Power (RSRP), received signal strength indicator (RSSI), Reference Signal Received Quality (RSRQ).
According to another aspect of the invention, a kind of method that provides RRM to measure, comprise: subscriber equipment (UE) receives the accurate alternative information of RRM (RRM) measurement of base station configuration, wherein, accurate alternative information is used to indicate the RRM measurement result of first carrier and the RRM measurement result of the second carrier wave can phase trans-substitution, and first carrier and the second carrier wave are different carrier waves; UE carries out RRM measurement according to accurate alternative information to first carrier or the second carrier wave, in the situation that UE carries out RRM measurement to first carrier, the RRM measurement result of UE using the RRM measurement result obtaining as the second carrier wave, in the situation that UE carries out RRM measurement to the second carrier wave, the RRM measurement result of UE using the RRM measurement result obtaining as first carrier.
Preferably, after the RRM measurement result at UE using the RRM measurement result obtaining as first carrier, UE reports the RRM measurement result of first carrier; After RRM measurement result at UE using the RRM measurement result obtaining as the second carrier wave, UE reports the RRM measurement result of the second carrier wave.
Preferably, the object that RRM measures comprises that following parameter one of at least: Reference Signal Received Power (RSRP), received signal strength indicator (RSSI), Reference Signal Received Quality (RSRQ).
According to also one side of the present invention, the system that provides a kind of RRM to measure, comprise: the RRM measurement mechanism that is positioned at subscriber equipment (UE), RRM measurement mechanism comprises: receiver module, the accurate alternative information of measuring for receiving the RRM (RRM) of base station configuration, wherein, accurate alternative information is used to indicate the RRM measurement result of first carrier and the RRM measurement result of the second carrier wave can phase trans-substitution, and first carrier and the second carrier wave are different carrier waves; Measurement module, for carrying out RRM measurement according to accurate alternative information to first carrier or the second carrier wave; Setting module, for in the situation that measurement module carries out RRM measurement to first carrier, RRM measurement result using the RRM measurement result obtaining as the second carrier wave, in the situation that measurement module carries out RRM measurement to the second carrier wave, the RRM measurement result using the RRM measurement result obtaining as first carrier.
Preferably, this RRM measurement mechanism also comprises: reporting module, be used at setting module after the RRM measurement result using the RRM measurement result obtaining as first carrier, report the RRM measurement result of first carrier, or after the RRM measurement result using the RRM measurement result obtaining as the second carrier wave, report the RRM measurement result of the second carrier wave at setting module.
Preferably, the object that RRM measures comprises that following parameter one of at least: Reference Signal Received Power (RSRP), received signal strength indicator (RSSI), Reference Signal Received Quality (RSRQ).
By the present invention, adopt base station to be used to indicate UE to UE transmission and only partial carrier wave is carried out to RRM measurement, using measurement result simultaneously as the mode of measurement result of carrier wave of not carrying out RRM measurement, solve UE and between small-cell, switched continually the large problem of RRM surveying work quantitative change that causes UE, and then reached the number of times that reduces UE and carry out RRM measurement, the number of times that minimizing UE carries out the different-frequency measure in switching, reduce the effect of UE energy consumption.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the method flow diagram of measuring according to the RRM of the embodiment of the present invention one;
Fig. 2 is according to the structured flowchart of the system of the RRM measurement of the embodiment of the present invention one;
Fig. 3 is the method flow diagram of measuring according to the RRM of the embodiment of the present invention two;
Fig. 4 is according to the structured flowchart of the system of the RRM measurement of the embodiment of the present invention two;
Fig. 5 is the method flow diagram of measuring according to the RRM of the embodiment of the present invention three;
Fig. 6 is according to the structured flowchart of the system of the RRM measurement of the embodiment of the present invention three;
Fig. 7 is the method flow diagram of measuring according to the RRM of the embodiment of the present invention four;
Fig. 8 is according to the structured flowchart of the system of the RRM measurement of the embodiment of the present invention four;
Fig. 9 is RRM schematic diagram according to the preferred embodiment of the invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
Fig. 1 is the method flow diagram of measuring according to the RRM of the embodiment of the present invention one, and as shown in Figure 1, the method is applied to base station side, mainly comprises the following steps (step S102-step S104):
Step S102, base station is the accurate alternative information that subscriber equipment (UE) allocation radio resource management (RRM) is measured, wherein, the RRM measurement result that accurate alternative information is used to indicate first carrier can substitute the RRM measurement result of the second carrier wave, and first carrier and the second carrier wave are different carrier waves;
Step S104, accurate alternative information is sent to UE by base station.
In the present embodiment, accurate alternative information comprises: the identification information of the identification information of first carrier and the second carrier wave.
In the present embodiment, accurate alternative information also comprise following one of at least: first carrier is carried out to the first reference signal information that need to use when RRM measures, the second reference signal information corresponding to RRM measurement result of the second carrier wave.
In the present embodiment, the identification information of the identification information of first carrier and the second carrier wave include following one of at least: the index of physical label ID, channel state information reference signals (CSI-RS), virtual subdistrict mark ID, carrier frequency point.
In the present embodiment, the first reference signal information and the second reference signal information include: reference signal type and configuration information corresponding to reference signal type.
In the present embodiment, reference signal type comprise following one of at least: channel state information reference signals (Channel StateInformation Reference Signal, referred to as CSI-RS), public reference signal (Common Reference Signal, referred to as CRS), reduce public reference signal (RCRS), demodulated reference signal (Demodulation Reference Signal, referred to as DMRS).
In the present embodiment, it is one of following that the configuration information that CSI-RS is corresponding comprises: with configuration information, the CSI-RS port information of CSI-RS-Config parametric description CSI-RS; The configuration information that CRS is corresponding comprises: CRS port information; It is one of following that the configuration information that RCRS is corresponding comprises: RCRS bandwidth information, carrier frame information; It is one of following that the configuration information that DMRS is corresponding comprises: DMRS port information, DMRS precoding information.
In the present embodiment, accurate alternative information comprises: Multicast Broadcast Single Frequency Network (MBSFN) subframe configuration information of first carrier.
In the present embodiment, the type of first carrier and the second carrier wave includes one of following: new carrier type, compatible carrier wave type, the new carrier wave of independent operation, the new carrier wave of dependent operation, synchronous new carrier wave, asynchronous new carrier wave.
In the present embodiment, UE carries out the operation that RRM measures after receiving accurate alternative information, comprise: UE carries out RRM measurement according to accurate alternative information to first carrier, the RRM measurement result using the RRM measurement result obtaining as the second carrier wave reports base station or uses voluntarily.
In the present embodiment, RRM measuring object comprises that following parameter one of at least: Reference Signal Received Power (ReferenceSignal Receiving Power, referred to as RSRP), received signal strength indicator (Received Signal Strength Indication, referred to as RSSI), Reference Signal Received Quality (Reference Signal Receiving Quality, referred to as RSRQ).
In the present embodiment, base station one of in the following manner sends to UE by accurate alternative information: sent, sent, sent by the main carrier of UE the UE allocating multiple carrier in the situation that by UE dedicated radio resources control RRC message by system broadcast message.
In the present embodiment, before accurate alternative information being sent in base station to UE execution RRM measurement, comprising: base station receives UE first carrier and the second carrier wave are carried out to the RRM measurement report obtaining after RRM measurement.
In the present embodiment, after accurate alternative information being sent in base station to UE execution RRM measurement, comprise: base station receives the 2nd RRM measurement report that UE sends, and wherein, the 2nd RRM measurement report comprises the RRM measurement result of first carrier and the compensating factor corresponding to RRM measurement result of the second carrier wave.
Fig. 2 is according to the structured flowchart of the system of the RRM measurement of the embodiment of the present invention one, this Account Dept is deployed on base station side, the method of measuring in order to realize RRM that above-described embodiment one provides, as shown in Figure 2, this system mainly comprises: configuration module 10 and sending module 20.Wherein, configuration module 10, the accurate alternative information that is used to user equipment (UE) allocation radio resource management (RRM) to measure, wherein, the RRM measurement result that accurate alternative information is used to indicate first carrier can substitute the RRM measurement result of the second carrier wave, and first carrier and the second carrier wave are different carrier waves; Sending module 20, for sending to UE by accurate alternative information.
In the present embodiment, accurate alternative information comprises: the identification information of the identification information of first carrier and the second carrier wave.
In the present embodiment, accurate alternative information also comprise following one of at least: first carrier is carried out to the first reference signal information that need to use when RRM measures, the second reference signal information corresponding to RRM measurement result of the second carrier wave.
In the present embodiment, accurate alternative information comprises: Multicast Broadcast Single Frequency Network (MBSFN) subframe configuration information of first carrier.
In the present embodiment, the type of first carrier and the second carrier wave includes one of following: new carrier type, compatible carrier wave type, the new carrier wave of independent operation, the new carrier wave of dependent operation, synchronous new carrier wave, asynchronous new carrier wave.
In the present embodiment, UE carries out RRM measurement operation after receiving accurate alternative information, comprising: UE carries out RRM measurement according to accurate alternative information to first carrier, and the RRM measurement result using the RRM measurement result obtaining as the second carrier wave reports base station or uses voluntarily.
In the present embodiment, the object that RRM measures comprises that following parameter one of at least: Reference Signal Received Power (RSRP), received signal strength indicator (RSSI), Reference Signal Received Quality (RSRQ).
Fig. 3 is the method flow diagram of measuring according to the RRM of the embodiment of the present invention two, and as shown in Figure 3, the method is applied to base station side, mainly comprises the following steps (step S302-step S304):
Step S302, base station is the accurate alternative information that subscriber equipment (UE) allocation radio resource management (RRM) is measured, wherein, accurate alternative information is used to indicate the RRM measurement result of first carrier and the RRM measurement result of the second carrier wave can phase trans-substitution, and first carrier and the second carrier wave are different carrier waves;
Step S304, accurate alternative information is sent to UE by base station.
In the present embodiment, accurate alternative information comprises: the identification information of the identification information of first carrier and the second carrier wave.
In the present embodiment, accurate alternative information also comprise following one of at least: first carrier or the second carrier wave are carried out to Multicast Broadcast Single Frequency Network (MBSFN) subframe configuration information in reference signal information, first carrier and second carrier wave that need to use when RRM measures.
In the present embodiment, the identification information of the identification information of first carrier and the second carrier wave include following one of at least: the index of physical label ID, channel state information reference signals (CSI-RS), virtual subdistrict mark ID, carrier frequency point.
In the present embodiment, reference signal information comprises: reference signal type and configuration information corresponding to reference signal type.
In the present embodiment, reference signal type comprise following one of at least: channel state information reference signals (CSI-RS), public reference signal (CRS), the public reference signal (RCRS), the demodulated reference signal (DMRS) that reduce.
In the present embodiment, it is one of following that the configuration information that CSI-RS is corresponding comprises: with configuration information, the CSI-RS port information of CSI-RS-Config parametric description CSI-RS; The configuration information that CRS is corresponding comprises: CRS port information; It is one of following that the configuration information that RCRS is corresponding comprises: RCRS bandwidth information, carrier frame information; It is one of following that the configuration information that DMRS is corresponding comprises: DMRS port information, DMRS precoding information.
In the present embodiment, the type of first carrier and the second carrier wave includes one of following: new carrier type, compatible carrier wave type, the new carrier wave of independent operation, the new carrier wave of dependent operation, synchronous new carrier wave, asynchronous new carrier wave.
In the present embodiment, UE carries out RRM measurement operation after receiving accurate alternative information, comprise: UE carries out RRM measurement according to accurate alternative information to first carrier or the second carrier wave, in the situation that UE carries out RRM measurement to first carrier, the RRM measurement result of UE using the RRM measurement result obtaining as the second carrier wave reports base station or uses voluntarily, in the situation that UE carries out RRM measurement to the second carrier wave, the RRM measurement result of UE using the RRM measurement result obtaining as first carrier reports base station or uses voluntarily.
Fig. 4 is according to the structured flowchart of the system of the RRM measurement of the embodiment of the present invention two, be deployed in base station, the method that the RRM that being used for realizing above-described embodiment two provides is measured, as shown in Figure 4, this system mainly comprises: configuration module 30 and sending module 40.Wherein, configuration module 30, the accurate alternative information that is used to subscriber equipment (UE) allocation radio resource management (RRM) to measure, wherein, accurate alternative information is used to indicate the RRM measurement result of first carrier and the RRM measurement result of the second carrier wave can phase trans-substitution, and first carrier and the second carrier wave are different carrier waves; Sending module 40, for sending to UE by accurate alternative information.
In the present embodiment, accurate alternative information comprises: the identification information of the identification information of first carrier and the second carrier wave.
In the present embodiment, accurate alternative information also comprise following one of at least: first carrier or the second carrier wave are carried out to the Multicast Broadcast Single Frequency Network MBSFN subframe configuration information in reference signal information, first carrier and second carrier wave that need to use when RRM measures.
In the present embodiment, the identification information of the identification information of first carrier and the second carrier wave include following one of at least: the index of physical label ID, channel state information reference signals (CSI-RS), virtual subdistrict mark ID, carrier frequency point.
In the present embodiment, the type of first carrier and the second carrier wave comprises one of following: new carrier type, compatible carrier wave type, the new carrier wave of independent operation, the new carrier wave of dependent operation, synchronous new carrier wave, asynchronous new carrier wave.
In the present embodiment, UE carries out RRM measurement operation after receiving accurate alternative information, comprise: UE carries out RRM measurement according to accurate alternative information to first carrier or the second carrier wave, in the situation that UE carries out RRM measurement to first carrier, the RRM measurement result of UE using the RRM measurement result obtaining as the second carrier wave reports base station or uses voluntarily, in the situation that UE carries out RRM measurement to the second carrier wave, the RRM measurement result of UE using the RRM measurement result obtaining as first carrier reports base station or uses voluntarily.
Fig. 5 is the method flow diagram of measuring according to the RRM of the embodiment of the present invention three, and as shown in Figure 5, the method is applied to UE side, mainly comprises the following steps (step S502-step S504):
Step S502, subscriber equipment (UE) receives the accurate alternative information of RRM (RRM) measurement of base station configuration, wherein, the RRM measurement result that accurate alternative information is used to indicate first carrier can substitute the RRM measurement result of the second carrier wave, and first carrier and the second carrier wave are different carrier waves;
Step S504, UE carries out RRM measurement according to accurate alternative information to first carrier, the RRM measurement result using the RRM measurement result obtaining as the second carrier wave.
In the present embodiment, after the RRM measurement result at UE using the RRM measurement result obtaining as the second carrier wave, comprising: UE reports the RRM measurement result of the second carrier wave to network side.
In the present embodiment, the object that RRM measures comprises that following parameter one of at least: Reference Signal Received Power (RSRP), received signal strength indicator (RSSI), Reference Signal Received Quality (RSRQ).
Fig. 6 is according to the structured flowchart of the system of the RRM measurement of the embodiment of the present invention three, the method that this system is measured for realizing RRM that above-described embodiment three provides, as shown in Figure 6, this system comprises: be positioned at the RRM measurement mechanism of subscriber equipment (UE), RRM measurement mechanism comprises: receiver module 10 and measurement module 20.Wherein, receiver module 10, the accurate alternative information of measuring for receiving the RRM (RRM) of base station configuration, wherein, the RRM measurement result that accurate alternative information is used to indicate first carrier can substitute the RRM measurement result of the second carrier wave, and first carrier and the second carrier wave are different carrier waves; Measurement module 20, for according to accurate alternative information, first carrier being carried out to RRM measurement, using the RRM measurement result obtaining as the 2nd RRM measurement result.
In the present embodiment, this RRM measurement mechanism also comprises: reporting module 30(for this module no longer by reference to the accompanying drawings mode describe), for reporting the RRM measurement result of the second carrier wave.
In the present embodiment, the object that RRM measures comprises that following parameter one of at least: Reference Signal Received Power (RSRP), received signal strength indicator (RSSI), Reference Signal Received Quality (RSRQ).
Fig. 7 is the method flow diagram of measuring according to the RRM of the embodiment of the present invention four, and as shown in Figure 7, the method is applied to UE side, mainly comprises the following steps (step S702-step S704):
Step S702, subscriber equipment (UE) receives the accurate alternative information of RRM (RRM) measurement of base station configuration, wherein, accurate alternative information is used to indicate the RRM measurement result of first carrier and the RRM measurement result of the second carrier wave can phase trans-substitution, and first carrier and the second carrier wave are different carrier waves;
Step S704, UE carries out RRM measurement according to accurate alternative information to first carrier or the second carrier wave, in the situation that UE carries out RRM measurement to first carrier, the RRM measurement result of UE using the RRM measurement result obtaining as the second carrier wave, in the situation that UE carries out RRM measurement to the second carrier wave, the RRM measurement result of UE using the RRM measurement result obtaining as first carrier.
In the present embodiment, after the RRM measurement result at UE using the RRM measurement result obtaining as first carrier, UE reports the RRM measurement result of first carrier; After RRM measurement result at UE using the RRM measurement result obtaining as the second carrier wave, UE reports the RRM measurement result of the second carrier wave.
In the present embodiment, the object that RRM measures comprises that following parameter one of at least: Reference Signal Received Power (RSRP), received signal strength indicator (RSSI), Reference Signal Received Quality (RSRQ).
Fig. 8 is according to the structured flowchart of the system of the RRM measurement of the embodiment of the present invention four, the method that this system is measured for realizing RRM that above-described embodiment four provides, as shown in Figure 8, this system comprises: be positioned at the RRM measurement mechanism of subscriber equipment (UE), RRM measurement mechanism comprises: receiver module 40, measurement module 50 and setting module 60.Wherein, receiver module 40, the accurate alternative information of measuring for receiving the RRM (RRM) of base station configuration, wherein, accurate alternative information is used to indicate the RRM measurement result of first carrier and the RRM measurement result of the second carrier wave can phase trans-substitution, and first carrier and the second carrier wave are different carrier waves; Measurement module 50, for carrying out RRM measurement according to accurate alternative information to first carrier or the second carrier wave; Setting module 60, for in the situation that measurement module carries out RRM measurement to first carrier, RRM measurement result using the RRM measurement result obtaining as the second carrier wave, in the situation that measurement module carries out RRM measurement to the second carrier wave, the RRM measurement result using the RRM measurement result obtaining as first carrier.
In the present embodiment, setting module, for in the situation that measurement module carries out RRM measurement to first carrier, RRM measurement result using the RRM measurement result obtaining as first carrier, in the situation that measurement module carries out RRM measurement to the second carrier wave, the RRM measurement result using the RRM measurement result obtaining as first carrier.
In the present embodiment, the object that RRM measures comprises that following parameter one of at least: Reference Signal Received Power (RSRP), received signal strength indicator (RSSI), Reference Signal Received Quality (RSRQ).
The method that the RRM below above-mentioned each embodiment being provided is measured is further detailed:
For network side (being base station side), the method that this RRM is measured can realize in the following way:
Network side is that UE configuration meets RRM and measures accurate alternative information, and accurate alternative information is sent to UE.Wherein, accurate alternative referring to, RRM some or certain some carrier wave measure and can use the RRM measurement result of designated carrier to substitute.For example, carrier wave 1 is the carrier wave that UE need to carry out measurement, carrier wave 2 is same frequency carrier waves of UE, UE carries out and measures carrier wave 2 all the time, measure after accurate substituting when network side is configured to carrier wave 1 and carrier wave 2 to meet RRM, UE just can directly use the RRM measurement result of carrier wave 2 as the RRM measurement result use of carrier wave 1.
Here, on the one hand, meet RRM and measure accurate substitutional relation, refer to that the RRM measurement result of multiple carrier waves meets and can substitute mutually, in other words, the RRM measurement result that the RRM measurement result of some or certain some carrier wave can designated carrier wave substitutes.On the other hand, meet the accurate substitutional relation of RRM, refer to that the RRM measurement result of multiple carrier waves is identical or close (absolute difference is less than a certain agreement thresholding), or the value that meets fixing compensating factor relation or compensating factor is in the interval of agreement.It is to meet accurate substituting that a kind of mode that RRM measures accurate alternative information is used for describing between those carrier waves, or can carry out accurate substituting.Another kind of mode is that the RRM measurement result of describing a certain carrier wave can be measured and substitute by the RRM of those carrier waves.This is a kind of two kinds of forms of expression of method, and essence is all that the RRM describing between carrier wave measures alternative.Meet RRM and measure accurate alternative information, comprise two kinds of forms, the first is that this information is described and can be carried out mutually RRM and measure alternative carrier information, and this mode has reciprocity.The second is the alternative carrier wave of RRM measurement that this information is described target RRM measurement carrier wave and target RRM measurement carrier wave, this mode is at least to need to provide 2 carrier waves, one is target carrier, and one is the carrier wave that the RRM for substituting target carrier measures, can not be reciprocal.For example carrier wave 1 is target RRM measurement carrier wave, carrier wave 2 is that the RRM of carrier wave 1 measures alternative carrier wave, so now UE can use the RRM measurement result of carrier wave 2 to use as the RRM measurement result of carrier wave 1, but can not use the RRM measurement result of carrier wave 1 to use as the RRM measurement result of carrier wave 2.In the time that UE uses the RRM measurement result of carrier wave 2 to measure use as the RRM of carrier wave 1, network side can be according to the configuring condition calculating that affords redress, this compensation is the situation that uses the RRM measurement result of carrier wave 2 for above-mentioned carrier wave 1, so, if network side does not have configuration information, UE can only use the RRM measurement result of carrier wave 2 to use as the RRM measurement result of carrier wave 1.
Network side can be configured in the identification information that carries out mutually RRM and measure alternative carrier wave in identical set, and this set is measured to accurate alternative information and sent to UE as meeting RRM, UE can know that according to accurate alternative information the RRM measurement result of the carrier wave in set can replace mutually.General, except RRM measures accurate alternative information, also need carrier wave in configuration set simultaneously to carry out and substitute the reference signal information using when RRM measures, or network side also each carrier wave in configuration set carry out the reference signal information using when the accurate RRM of substituting measures.
It is to comprise when target RRM measures the alternative carrier wave of RRM measurement of carrier wave and target RRM measurement carrier wave that network side configures accurate alternative information, the identification information that network side provides target RRM to measure carrier wave, provides the RRM measurement that target RRM measures carrier wave to substitute the identification information of carrier wave and carry out the reference signal information using when accurate alternative RRM measures.
For above-mentioned carrier identification information, following one or more expressions of combining that concrete can be: the community physical I D of carrier wave (corresponding community), the CSI-RS information configuring in carrier wave, the CSI-RS index in carrier wave, the virtual subdistrict ID configuring in carrier wave, carrier frequency point.
Above-mentioned reference signal information, specifically can comprise: the type of reference signal and corresponding configuration information, wherein type comprises: the CRS(Reduced CRS of CSI-RS, CRS, minimizing, RCRS, the reference signal for synchronously following the tracks of in LTE Rel-12) and DMRS.The configuration information that CSI-RS is corresponding comprises the CSI-RS configuration information that uses CSI-RS-Config parametric description, CSI-RS port information; The configuration information that CRS is corresponding comprises CRS antenna port information; The configuration information of RCRS comprises bandwidth information, the carrier frame information of RCRS; The configuration information of DMRS comprises DMRS antenna port information, DMRS precoding information.
For the system that has MBSFN subframe, also need on the basis of the accurate alternative information of RRM side amount, increase the MBSFN subframe configuration information comprising in the carrier wave of describing RRM measurement, know fast the MBSFN sub-frame configuration situation in target carrier to help UE, thereby guarantee that UE avoids MBSFN subframe, thereby make measurement more accurate.When measuring accurate alternative information, RRM while describing, need to indicate the MBSFN subframe configuration information in each carrier wave in set, or network side provides the RRM that target RRM measures carrier wave to measure the MBSFN subframe configuration information that substitutes carrier wave in the mode of set.
In addition, in order to make UE know that accurately target RRM measures channel, the signal deployment situation in carrier wave and alternative carrier wave, in the time having multiple carrier type to exist, also need on measuring the basis of accurate alternative information, RRM increase so the type information of describing the carrier wave that RRM measures.For example can carry out mutually the identification information that RRM measures alternative carrier wave is configured in identical set, and indicate the carrier type of each carrier wave in set, wherein carrier type comprises following one: new carrier type, compatible carrier wave type, the new carrier wave of independent operation, the new carrier wave of dependent operation, synchronous new carrier wave or asynchronous new carrier wave.Or the carrier type that network side provides target RRM to measure carrier wave, provides the RRM that target RRM measures carrier wave to measure the carrier type that substitutes carrier wave.
Network side before configuration meets the accurate alternative information of RRM side amount, network side receive UE feedback for the RRM measurement result that need to carry out the carrier wave that RRM measures.Network side is according to the RRM measurement result of carrier wave, determine that those carrier waves can be configured to meet RRM and measure alternative carrier wave, or network side, according to the RRM measurement result of carrier wave, determines that the RRM measurement result of those carrier waves is used as the RRM measurement result penalty coefficient after accurate alternative carrier wave.Use this penalty coefficient, can there is RRM measurement result multiple carrier waves of fixing difference to be configured to meet RRM and measure accurate alternative carrier wave in network side, network side, according to UE side feedback RRM measurement result, compensates the rear RRM measurement result as other carrier waves and uses.
For UE side, this RRM method of measurement can realize in the following way:
UE carries out RRM for multiple carrier waves and measures, and the RRM measurement result of more multiple carrier waves, and the RRM that determines multiple carrier waves measures whether meet the accurate substitutional relation of RRM, and carry out the alternative operation of RRM measurement for the carrier wave that meets accurate substitutional relation, optionally, and alternative result is reported to base station, under certain situation, can not report, for example, when UE carries out community selection or cell reselection, UE can not report RRM measurement result and alternative RRM to measure relation.
, meet the accurate substitutional relation of RRM here, refer to that the RRM measurement result of multiple carrier waves is identical or close (absolute difference is less than a certain agreement thresholding), or the value that meets fixing compensating factor relation or compensating factor is in the interval of agreement.
UE measures accurate alternative carrier wave for meeting RRM, in the time carrying out alternative RRM measurement, for reporting in the RRM measurement result of base station, need to inform base station simultaneously, and which carrier wave is the RRM measurement result reporting be all.Concrete signaling structure can be: the identification information (comprising the identification information that is performed the alternative carrier wave of RRM) that comprises carrier wave corresponding to RRM measurement result, RRM measurement result.The identification information of carrier wave can use mode above.
Select for UE cell reselection or community, and the RRM that UE ascending power is carried out while adjusting measures, UE measures accurate alternative carrier wave and implements to substitute while measuring for meeting RRM, can not report and substitute the carrier information of measuring.
RRM measures and specifically can comprise the measurement for following one or more parameters: Reference Signal Received Power (RSRP), received signal strength indicator (RSSI) and Reference Signal Received Quality (RSRQ).Wherein, RSRQ is the ratio of RSRP and RSSI.
The method that the RRM above-mentioned each embodiment being provided below in conjunction with Fig. 9 and preferred embodiment 1 to preferred embodiment 5 is measured is further described in more detail.
Preferred embodiment 1
When network side is UE1 while having configured 3 carrier waves, UE1 will carry out corresponding RRM for each carrier wave and measures so, and obviously now the RRM surveying work amount of UE1 is larger.According to the present invention, can adopt mode below to improve.
Network side receives and adds up the RRM measurement result of UE1 for each carrier wave, and determine the RRM measurement result corresponding relation between 3 carrier waves, if it is identical that 3 carrier waves have the RRM measurement result of 2 or 3 carrier waves, or approximately uniform (error is less than setting thresholding), network side is configured to meet RRM by identical RRM measurement result or approximately uniform carrier wave and measures the accurate carrier wave that substitutes so, and form corresponding information (signaling) and send to UE1, might as well suppose, the RRM measurement result of these 3 carrier waves is approximately uniform, between can substitute mutually, network side is just configured to these 3 carrier waves meet RRM and measures accurate alternative carrier wave so, and be that the form formation signaling of gathering sends to UE1, substitute in set and comprise cc1, the identification information of cc2 and cc3 carrier wave, for example community physical I D.And simultaneously, network side is optional, configure these 3 carrier waves and carry out RRM and measure the reference signal using while substituting and be CSI-RS, and corresponding CSI-RS configuration information, and MBSFN subframe configuration information in these 3 carrier waves and the carrier type of these 3 carrier waves all send to UE1.UE1 measures after alternative information according to the RRM that meets receiving, the RRM measurement result that is known as 3 carrier waves that oneself configure can substitute mutually, now UE1 just only need to carry out RRM measurement to one of them carrier wave, for example select main carrier to carry out RRM and measure, the RRM measurement result using its measurement result as other 2 carrier waves.Like this, the workload that obviously UE1 execution RRM measures declines greatly, and energy-conservation.Network side receives after the RRM measurement result of main carrier of UE1 transmission, and the RRM measurement result of other two carrier waves is known in reasoning.
Preferred embodiment 2
When network side is UE1 while having configured 3 carrier waves, UE1 will carry out corresponding RRM for each carrier wave and measures so, and obviously now the RRM surveying work amount of UE1 is larger.According to the present invention, can adopt mode below to improve.
Network side receives and adds up the RRM measurement result of UE1 for each carrier wave, and determine the RRM measurement result corresponding relation between 3 carrier waves, if 3 carrier waves, it is identical wherein having the RRM measurement result of cc2 and cc3 carrier wave, or approximately uniform (error is less than setting thresholding), network side is configured to meet RRM by identical RRM measurement result or approximately uniform carrier wave and measures the accurate carrier wave that substitutes so, and form corresponding information (signaling) and send to UE1, might as well suppose, the RRM measurement result of cc2 and cc3 carrier wave is approximately uniform, between can substitute mutually, network side is just configured to these 2 carrier waves meet RRM and measures accurate alternative carrier wave so, and be that the mode gathered forms signaling and sends to UE1, substitute the identification information that comprises cc2 and cc3 carrier wave in set, for example use CSI-RS index mark carrier wave.And simultaneously, network side is optional, configure this cc2 and cc3 carrier wave carry out RRM measure substitute time use reference signal be CSI-RS, and corresponding CSI-RS configuration information, and MBSFN subframe configuration information in these 2 carrier waves and the carrier type information of these 2 carrier waves all send to UE1.UE1 measures after alternative information according to the RRM that meets receiving, the RRM measurement result that is known as cc2 and cc3 carrier wave in 3 carrier waves of oneself configuration can substitute mutually, now UE1 just only need to be for cc1 and cc2, or cc1 and cc3 carrier wave execution RRM measurement, for example select cc1 and cc2, like this, the workload that obviously UE1 execution RRM measures declines to some extent, and energy-conservation.Network side receives after the cc1 of UE1 transmission and the RRM measurement result of cc2, and the RRM measurement result of cc3 carrier wave is known in reasoning.
Preferred embodiment 3
When network side is UE1 while having configured 3 carrier waves, UE1 will carry out corresponding RRM for each carrier wave and measures so, and obviously now the RRM surveying work amount of UE1 is larger.According to the present invention, can adopt mode below to improve.
Network side receives and adds up the RRM measurement result of UE1 for each carrier wave, and determine the RRM measurement result corresponding relation between 3 carrier waves, if 3 carrier waves, wherein have between cc2 and the RRM measurement result of cc3 carrier wave and meet certain relation, and this relation remains unchanged (or variation is very little, is less than and sets thresholding), for example fixing compensating factor, network side can be configured to meet the accurate alternative relation of RRM measurement for cc2 and cc3 so, and configuration information is sent to UE1.For example, network side configuration cc3 is that target RRM measures carrier wave, and the RRM that configuration cc2 is cc3 measures standard and substitutes carrier wave, and configuration information is sent to UE1, and configuration information comprises the identification information of cc2 and cc3 here.And simultaneously, network side is optional, configure this cc3 carrier wave and carry out RRM to measure the reference signal using while substituting be CSI-RS, and corresponding CSI-RS configuration information, and MBSFN subframe configuration information in cc3 and the carrier type information of cc3 carrier wave all send to UE1.UE1 measures after alternative information according to the RRM receiving, the RRM measurement result that is known as cc3 in 3 carrier waves that oneself configure is to be substituted by the RRM measurement result of cc2, now UE1 just only need to carry out RRM measurement for cc1 and cc2 carrier wave, like this, obviously the workload that UE1 execution RRM measures declines to some extent, and energy-conservation.Network side receives after the cc1 of UE1 transmission and the RRM measurement result of cc2, and the RRM measurement result of cc3 carrier wave is known in reasoning.
Preferred embodiment 4
When network side is UE1 while having configured 3 carrier waves, UE1 will carry out corresponding RRM for each carrier wave and measures so, and obviously now the RRM surveying work amount of UE1 is larger.According to the present invention, can adopt mode below to improve.
UE1 is for 3 carrier wave RRM measurement results, contrast, determine 3 RRM measurement result corresponding relations between carrier wave, if 3 carrier waves, wherein (might as well suppose) that it is identical having the RRM measurement result of cc2 and cc3 carrier wave, or approximately uniform (error is less than setting thresholding), UE1 measures the accurate carrier wave that substitutes using identical RRM measurement result or approximately uniform carrier wave as meeting RRM so, and definite RRM measures accurate substitutional relation, accurate the substituting distributing to the carrier wave of oneself of execution RRM measurement.For example hypothesis, the RRM measurement result of cc2 and cc3 carrier wave is similar to, meet RRM and measure accurate substituting, UE1 just only carries out RRM measurement to cc2 or cc3, for example carry out RRM for cc2 and measure, then the RRM measurement result of cc2 is reported to network side as the measurement result of cc2 and cc3, in the signaling structure reporting, comprise RRM measurement result, and carrier wave cc2 corresponding to this measurement result and the identification information of cc3.Network side can cc2 and the RRM measurement result of cc3 by knowing.
Preferred embodiment 5
When network side is UE1 while having configured 3 carrier waves, UE1 will carry out corresponding RRM for each carrier wave and measures so, and obviously now the RRM surveying work amount of UE1 is larger.According to the present invention, can adopt mode below to improve.
UE1 is for 3 carrier wave RRM measurement results, contrast, determine 3 RRM measurement result corresponding relations between carrier wave, if 3 carrier waves, wherein (might as well suppose) that having the RRM measurement result of cc2 and cc3 carrier wave is to meet the fixed compensation factor, UE1 determines that by cc2 and cc3 meeting RRM measures accurate substituting so, and definite RRM measure accurate substitutional relation and compensating factor (comprise compensation way, which can be in advance and network side appoint).For example hypothesis, the RRM measurement result of cc2 and cc3 carrier wave is that the measurement result of cc2 adds that compensating factor equals the RRM measurement result of (or being approximately equal to) cc3, UE1 just only carries out RRM to cc2 and measures, then the RRM measurement result of cc2 is reported to network side as the measurement result of cc2 and cc3, in the signaling structure reporting, comprise the RRM measurement result of cc2 and cc3; Or comprise the measurement result of cc2, and the RRM of cc3 measures corresponding compensating factor.
The method and system of the RRM that employing above-described embodiment provides, adopt base station to be used to indicate UE to UE transmission and only partial carrier wave is carried out to RRM measurement, using measurement result simultaneously as the mode of measurement result of carrier wave of not carrying out RRM measurement, solve UE and between small-cell, switched continually the large problem of RRM surveying work quantitative change that causes UE, and then reached the number of times that reduces UE and carry out RRM measurement, the number of times that minimizing UE carries out the different-frequency measure in switching, reduce the effect of UE energy consumption.
From above description, can find out, the present invention has realized following technique effect: base station is used to indicate UE to UE transmission and only partial carrier wave is carried out to RRM measurement, using measurement result simultaneously as the measurement result of carrier wave of not carrying out RRM measurement, adopt in this way, solve UE and between small-cell, switched continually the large problem of RRM surveying work quantitative change that causes UE, and then reached the number of times that reduces UE and carry out RRM measurement, the number of times that minimizing UE carries out the different-frequency measure in switching, reduce the effect of UE energy consumption.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that multiple calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or the multiple modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (48)

1. the method that RRM is measured, is characterized in that, comprising:
Base station is the accurate alternative information that user equipment (UE) allocation radio resource management RRM measures, wherein, the RRM measurement result that described accurate alternative information is used to indicate first carrier can substitute the RRM measurement result of the second carrier wave, and described first carrier and described the second carrier wave are different carrier waves;
Described accurate alternative information is sent to described UE by described base station.
2. method according to claim 1, is characterized in that, described accurate alternative information comprises:
The identification information of the identification information of described first carrier and described the second carrier wave.
3. method according to claim 2, is characterized in that, described accurate alternative information also comprise following one of at least:
Described first carrier is carried out to the first reference signal information that need to use when RRM measures, the second reference signal information corresponding to RRM measurement result of described the second carrier wave.
4. method according to claim 2, is characterized in that, the identification information of the identification information of described first carrier and described the second carrier wave include following one of at least:
The index of physical label ID, channel state information reference signals CSI-RS, virtual subdistrict mark ID, carrier frequency point.
5. method according to claim 3, is characterized in that, described the first reference signal information and described the second reference signal information include: reference signal type and configuration information corresponding to described reference signal type.
6. method according to claim 5, is characterized in that, described reference signal type comprise following one of at least:
Public reference signal RCRS, the demodulated reference signal DMRS of channel state information reference signals CSI-RS, public reference signal CRS, minimizing.
7. method according to claim 6, is characterized in that,
It is one of following that the configuration information that described CSI-RS is corresponding comprises: with configuration information, the CSI-RS port information of CSI-RS-Config parametric description CSI-RS;
The configuration information that described CRS is corresponding comprises: CRS port information;
It is one of following that the configuration information that described RCRS is corresponding comprises: RCRS bandwidth information, carrier frame information;
It is one of following that the configuration information that described DMRS is corresponding comprises: DMRS port information, DMRS precoding information.
8. method according to claim 1, is characterized in that, described accurate alternative information comprises: the Multicast Broadcast Single Frequency Network MBSFN subframe configuration information of described first carrier.
9. method according to claim 1, is characterized in that, it is one of following that the type of described first carrier and described the second carrier wave includes:
New carrier type, compatible carrier wave type, the new carrier wave of independent operation, the new carrier wave of dependent operation, synchronous new carrier wave, asynchronous new carrier wave.
10. method according to claim 1, it is characterized in that, described UE carries out the operation that RRM measures after receiving described accurate alternative information, comprise: described UE carries out RRM measurement according to described accurate alternative information to described first carrier, the RRM measurement result using the RRM measurement result obtaining as described the second carrier wave reports described base station or uses voluntarily.
11. according to the method described in any one in claim 1 to 10, it is characterized in that, described RRM measuring object comprises that following parameter is one of at least:
Reference Signal Received Power RSRP, received signal strength indicator RSSI, Reference Signal Received Quality RSRQ.
12. methods according to claim 11, is characterized in that, described base station one of in the following manner sends to described UE by described accurate alternative information:
By system broadcast message send, by UE dedicated radio resources control RRC message send, main carrier by described UE the described UE allocating multiple carrier in the situation that sends.
13. methods according to claim 11, is characterized in that, before described accurate alternative information being sent in described base station to described UE execution RRM measurement, comprising:
Described base station receives described UE described first carrier and described the second carrier wave is carried out to the RRM measurement report obtaining after RRM measurement.
14. methods according to claim 11, is characterized in that, after described accurate alternative information being sent in described base station to described UE execution RRM measurement, comprising:
Described base station receives the 2nd RRM measurement report that described UE sends, and wherein, described the 2nd RRM measurement report comprises the RRM measurement result of described first carrier and the compensating factor corresponding to RRM measurement result of described the second carrier wave.
15. 1 kinds of systems that RRM is measured, are deployed in base station side, it is characterized in that, comprising:
Configuration module, the accurate alternative information that is used to user equipment (UE) allocation radio resource management RRM to measure, wherein, the RRM measurement result that described accurate alternative information is used to indicate first carrier can substitute the RRM measurement result of the second carrier wave, and described first carrier and described the second carrier wave are different carrier waves;
Sending module, for sending to described UE by described accurate alternative information.
16. systems according to claim 15, is characterized in that, described accurate alternative information comprises:
The identification information of the identification information of described first carrier and described the second carrier wave.
17. systems according to claim 16, is characterized in that, described accurate alternative information also comprise following one of at least:
Described first carrier is carried out to the first reference signal information that need to use when RRM measures, the second reference signal information corresponding to RRM measurement result of described the second carrier wave.
18. systems according to claim 15, is characterized in that, described accurate alternative information comprises: the Multicast Broadcast Single Frequency Network MBSFN subframe configuration information of described first carrier.
19. according to claim 15 to the system described in any one in 18, it is characterized in that, it is one of following that the type of described first carrier and described the second carrier wave includes:
New carrier type, compatible carrier wave type, the new carrier wave of independent operation, the new carrier wave of dependent operation, synchronous new carrier wave, asynchronous new carrier wave.
20. systems according to claim 19, it is characterized in that, described UE carries out RRM measurement operation after receiving described accurate alternative information, comprise: described UE carries out RRM measurement according to described accurate alternative information to described first carrier, the RRM measurement result using the RRM measurement result obtaining as described the second carrier wave reports base station or uses voluntarily.
21. systems according to claim 20, is characterized in that, the object that described RRM measures comprises that following parameter is one of at least:
Reference Signal Received Power RSRP, received signal strength indicator RSSI, Reference Signal Received Quality RSRQ.
22. 1 kinds of methods that RRM is measured, is characterized in that, comprising:
Base station is the accurate alternative information that user equipment (UE) allocation radio resource management RRM measures, wherein, described accurate alternative information is used to indicate the RRM measurement result of first carrier and the RRM measurement result of the second carrier wave can phase trans-substitution, and described first carrier and described the second carrier wave are different carrier waves;
Described accurate alternative information is sent to described UE by described base station.
23. methods according to claim 22, is characterized in that, described accurate alternative information comprises:
The identification information of the identification information of described first carrier and described the second carrier wave.
24. methods according to claim 23, is characterized in that, described accurate alternative information also comprise following one of at least:
Described first carrier or described the second carrier wave are carried out to the Multicast Broadcast Single Frequency Network MBSFN subframe configuration information in reference signal information, described first carrier and described second carrier wave that need to use when RRM measures.
25. methods according to claim 23, is characterized in that, the identification information of the identification information of described first carrier and described the second carrier wave include following one of at least:
The index of physical label ID, channel state information reference signals CSI-RS, virtual subdistrict mark ID, carrier frequency point.
26. methods according to claim 24, is characterized in that, described reference signal information comprises: reference signal type and configuration information corresponding to described reference signal type.
27. methods according to claim 26, is characterized in that, described reference signal type comprise following one of at least:
Public reference signal RCRS, the demodulated reference signal DMRS of channel state information reference signals CSI-RS, public reference signal CRS, minimizing.
28. methods according to claim 27, is characterized in that,
It is one of following that the configuration information that described CSI-RS is corresponding comprises: with configuration information, the CSI-RS port information of CSI-RS-Config parametric description CSI-RS;
The configuration information that described CRS is corresponding comprises: CRS port information;
It is one of following that the configuration information that described RCRS is corresponding comprises: RCRS bandwidth information, carrier frame information;
It is one of following that the configuration information that described DMRS is corresponding comprises: DMRS port information, DMRS precoding information.
29. according to the method described in any one in claim 22 to 28, it is characterized in that, it is one of following that the type of described first carrier and described the second carrier wave includes:
New carrier type, compatible carrier wave type, the new carrier wave of independent operation, the new carrier wave of dependent operation, synchronous new carrier wave, asynchronous new carrier wave.
30. methods according to claim 29, it is characterized in that, described UE carries out RRM measurement operation after receiving described accurate alternative information, comprise: described UE carries out RRM measurement according to described accurate alternative information to described first carrier or described the second carrier wave, in the situation that described UE carries out RRM measurement to described first carrier, the RRM measurement result of described UE using the RRM measurement result obtaining as described the second carrier wave reports described base station or uses voluntarily, in the situation that described UE carries out RRM measurement to described the second carrier wave, the RRM measurement result of described UE using the RRM measurement result obtaining as described first carrier reports described base station or uses voluntarily.
31. 1 kinds of systems that RRM is measured, are deployed in base station, it is characterized in that, comprising:
Configuration module, the accurate alternative information that is used to user equipment (UE) allocation radio resource management RRM to measure, wherein, described accurate alternative information is used to indicate the RRM measurement result of first carrier and the RRM measurement result of the second carrier wave can phase trans-substitution, and described first carrier and described the second carrier wave are different carrier waves;
Sending module, for sending to described UE by described accurate alternative information.
32. systems according to claim 31, is characterized in that, described accurate alternative information comprises:
The identification information of the identification information of described first carrier and described the second carrier wave.
33. systems according to claim 32, is characterized in that, described accurate alternative information also comprise following one of at least:
Described first carrier or described the second carrier wave are carried out to the Multicast Broadcast Single Frequency Network MBSFN subframe configuration information in reference signal information, described first carrier and described second carrier wave that need to use when RRM measures.
34. systems according to claim 32, is characterized in that, the identification information of the identification information of described first carrier and described the second carrier wave include following one of at least:
The index of physical label ID, channel state information reference signals CSI-RS, virtual subdistrict mark ID, carrier frequency point.
35. according to the system described in any one in claim 31 to 34, it is characterized in that, it is one of following that the type of described first carrier and described the second carrier wave comprises:
New carrier type, compatible carrier wave type, the new carrier wave of independent operation, the new carrier wave of dependent operation, synchronous new carrier wave, asynchronous new carrier wave.
36. systems according to claim 35, it is characterized in that, described UE carries out RRM measurement operation after receiving described accurate alternative information, comprise: described UE carries out RRM measurement according to described accurate alternative information to described first carrier or described the second carrier wave, in the situation that described UE carries out RRM measurement to described first carrier, the RRM measurement result of described UE using the RRM measurement result obtaining as described the second carrier wave reports described base station or uses voluntarily, in the situation that described UE carries out RRM measurement to described the second carrier wave, the RRM measurement result of described UE using the RRM measurement result obtaining as described first carrier reports described base station or uses voluntarily.
37. 1 kinds of methods that RRM is measured, is characterized in that, comprising:
User equipment (UE) receives the accurate alternative information of the RRM RRM measurement of base station configuration, wherein, the RRM measurement result that described accurate alternative information is used to indicate first carrier can substitute the RRM measurement result of the second carrier wave, and described first carrier and described the second carrier wave are different carrier waves;
Described UE carries out RRM measurement according to described accurate alternative information to described first carrier, the RRM measurement result using the RRM measurement result obtaining as described the second carrier wave.
38. according to the method described in claim 37, it is characterized in that, after the RRM measurement result at described UE using the RRM measurement result obtaining as described the second carrier wave, comprising:
Described UE reports the RRM measurement result of described the second carrier wave to network side.
39. according to the method described in claim 37 or 38, it is characterized in that, the object that described RRM measures comprises that following parameter is one of at least:
Reference Signal Received Power RSRP, received signal strength indicator RSSI, Reference Signal Received Quality RSRQ.
40. 1 kinds of systems that RRM is measured, is characterized in that, comprising: be positioned at the RRM measurement mechanism of user equipment (UE), described RRM measurement mechanism comprises:
Receiver module, the accurate alternative information of measuring for receiving the RRM RRM of base station configuration, wherein, the RRM measurement result that described accurate alternative information is used to indicate first carrier can substitute the RRM measurement result of the second carrier wave, and described first carrier and described the second carrier wave are different carrier waves;
Measurement module, for according to described accurate alternative information, described first carrier being carried out to RRM measurement, using the RRM measurement result obtaining as described the 2nd RRM measurement result.
41. according to the system described in claim 40, it is characterized in that, described RRM measurement mechanism also comprises:
Reporting module, for reporting the RRM measurement result of described the second carrier wave.
42. according to the system described in claim 40 or 41, it is characterized in that, the object that described RRM measures comprises that following parameter is one of at least:
Reference Signal Received Power RSRP, received signal strength indicator RSSI, Reference Signal Received Quality RSRQ.
43. 1 kinds of methods that RRM is measured, is characterized in that, comprising:
User equipment (UE) receives the accurate alternative information of the RRM RRM measurement of base station configuration, wherein, described accurate alternative information is used to indicate the RRM measurement result of first carrier and the RRM measurement result of the second carrier wave can phase trans-substitution, and described first carrier and described the second carrier wave are different carrier waves;
Described UE carries out RRM measurement according to described accurate alternative information to described first carrier or described the second carrier wave, in the situation that described UE carries out RRM measurement to described first carrier, the RRM measurement result of described UE using the RRM measurement result obtaining as described the second carrier wave, in the situation that described UE carries out RRM measurement to described the second carrier wave, the RRM measurement result of described UE using the RRM measurement result obtaining as described first carrier.
44. according to the method described in claim 43, it is characterized in that,
Described UE using the described RRM measurement result obtaining after the RRM measurement result of described first carrier, described UE reports the RRM measurement result of described first carrier;
Described UE using the described RRM measurement result obtaining after the RRM measurement result of described the second carrier wave, described UE reports the RRM measurement result of described the second carrier wave.
45. according to the method described in claim 43 or 44, it is characterized in that, the object that described RRM measures comprises that following parameter is one of at least:
Reference Signal Received Power RSRP, received signal strength indicator RSSI, Reference Signal Received Quality RSRQ.
46. 1 kinds of systems that RRM is measured, is characterized in that, comprising: be positioned at the RRM measurement mechanism of user equipment (UE), described RRM measurement mechanism comprises:
Receiver module, the accurate alternative information of measuring for receiving the RRM RRM of base station configuration, wherein, described accurate alternative information is used to indicate the RRM measurement result of first carrier and the RRM measurement result of the second carrier wave can phase trans-substitution, and described first carrier and described the second carrier wave are different carrier waves;
Measurement module, for carrying out RRM measurement according to described accurate alternative information to described first carrier or described the second carrier wave;
Setting module, for in the situation that described measurement module carries out RRM measurement to described first carrier, RRM measurement result using the RRM measurement result obtaining as described the second carrier wave, in the situation that described measurement module carries out RRM measurement to described the second carrier wave, the RRM measurement result using the RRM measurement result obtaining as described first carrier.
47. according to the system described in claim 46, it is characterized in that, described RRM measurement mechanism also comprises:
Reporting module, for described setting module using the described RRM measurement result obtaining after the RRM measurement result of described first carrier, report the RRM measurement result of described first carrier, or described setting module using the described RRM measurement result obtaining after the RRM measurement result of described the second carrier wave, report the RRM measurement result of described the second carrier wave.
48. according to the system described in claim 46 or 47, it is characterized in that, the object that described RRM measures comprises that following parameter is one of at least:
Reference Signal Received Power RSRP, received signal strength indicator RSSI, Reference Signal Received Quality RSRQ.
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