CN110535616A - Transmission method, device and the storage medium of demodulated reference signal DMRS - Google Patents

Transmission method, device and the storage medium of demodulated reference signal DMRS Download PDF

Info

Publication number
CN110535616A
CN110535616A CN201910842297.9A CN201910842297A CN110535616A CN 110535616 A CN110535616 A CN 110535616A CN 201910842297 A CN201910842297 A CN 201910842297A CN 110535616 A CN110535616 A CN 110535616A
Authority
CN
China
Prior art keywords
dmrs
reg
coreset
time
access network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910842297.9A
Other languages
Chinese (zh)
Other versions
CN110535616B (en
Inventor
周欢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Spreadtrum Hi Tech Communications Technology Co Ltd
Original Assignee
Beijing Spreadtrum Hi Tech Communications Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Spreadtrum Hi Tech Communications Technology Co Ltd filed Critical Beijing Spreadtrum Hi Tech Communications Technology Co Ltd
Priority to CN201910842297.9A priority Critical patent/CN110535616B/en
Publication of CN110535616A publication Critical patent/CN110535616A/en
Application granted granted Critical
Publication of CN110535616B publication Critical patent/CN110535616B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

Landscapes

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

Abstract

This disclosure relates to field of communication technology more particularly to a kind of transmission method of DMRS, device and storage medium.The embodiment of the present disclosure passes through in single-carrier system, the DMRS that access network equipment configures PDCCH indicates information, DMRS instruction information is used to indicate the time-frequency location of DMRS and/or the port index of DMRS, access network equipment sends DMRS according to DMRS instruction message, allow the PDCCH in single-carrier system to support the transmission of DMRS, guarantees the transmission performance of system.

Description

Transmission method, device and the storage medium of demodulated reference signal DMRS
Technical field
This disclosure relates to field of communication technology more particularly to a kind of demodulated reference signal (Demodulation Reference Signal, DMRS) transmission method, device and storage medium.
Background technique
In mobile communication system, physical downlink control channel (Physical Downlink Control Channel, PDCCH) use DMRS progress channel estimation and coherent demodulation.In the related technology, access network equipment is set to terminal While preparation send PDCCH, the corresponding DMRS of the PDCCH is sent.
But in single-carrier system, when downlink transfer use single carrier waveform, such as hyper band downlink transfer in order to Papr (Peak to Average Power Ratio, PAPR) is reduced to be possible to using with single carrier waveform When, the method for suitable transmission DMRS a kind of is not yet provided in the related technology.
Summary of the invention
In view of this, the present disclosure proposes the transmission method of DMRS a kind of, device and storage mediums.The technical solution is such as Under:
According to the one side of the disclosure, the transmission method of DMRS a kind of is provided, is used in single-carrier system, the method Include:
The DMRS that access network equipment configures physical downlink control channel PDCCH indicates that information, the DMRS instruction information are used In the port index for the time-frequency location and/or the DMRS for indicating the DMRS；
The access network equipment sends the DMRS according to the DMRS instruction message.
In one possible implementation, the DMRS of the access network equipment configuration physical downlink control channel PDCCH Indicate information, comprising:
The access network equipment configures DMRS offset parameter, institute when configuring the control resource collection CORESET of the PDCCH State offset of the time-domain position relative to reference position that DMRS offset parameter is used to indicate the DMRS.
In alternatively possible implementation, the reference position includes the character position on the currently monitored opportunity or works as First character position in preceding time slot.
In alternatively possible implementation, the DMRS offset parameter is less than the CORESET and occupies in the time domain The number of symbol.
In alternatively possible implementation, the time-domain position of the DMRS includes being in resource unit group REG The primary sign position or intermediate symbols position of beam, the REG beam include a REG symbol for mapping DMRS and multiple mappings The REG symbol of Downlink Control Information DCI, and the REG symbol of the REG symbol of the mapping DMRS and the multiple mapping DCI exist It is continuous in time domain.
In alternatively possible implementation, the time-frequency location of the DMRS is fixed character position.
In alternatively possible implementation, the access network equipment configuration physical downlink control channel PDCCH DMRS indicates information, comprising:
When sharing the time-domain position of a DMRS there are multiple CORESET or multiple search spaces, institute The port index that the DMRS is configured when access network equipment configures the CORESET is stated, the port index of the DMRS is for referring to Show the port of the DMRS used in the CORESET or described search space.
In alternatively possible implementation, the access network equipment configures the DMRS when configuring the CORESET Port index, comprising:
When the access network equipment configures the CORESET, the DMRS is configured according to pattern of the DMRS in REG Port index.
In alternatively possible implementation, pattern of the DMRS in the REG is fixed DMRS pattern.
In alternatively possible implementation, pattern of the DMRS in the REG is preconfigured, the side Method further include:
The access network equipment configures DMRS pattern parameter when configuring the CORESET, and the DMRS pattern parameter is used for Indicate the number at the pectination interval of the DMRS and/or the RE of DMRS occupancy.
In alternatively possible implementation, the method also includes:
When sharing the time-domain position of a DMRS there are at least one CORESET or search space, institute It states access network equipment and determines time-frequency location and DMRS density REG beam in of the DMRS in REG.
In alternatively possible implementation, the method also includes:
The access network equipment configures the density of the DMRS in the REG beam.
According to another aspect of the present disclosure, the transmission method of DMRS a kind of is provided, is used in single-carrier system, the side Method includes:
Terminal device determines the DMRS instruction information of PDCCH, DMRS instruction information be used to indicate the DMRS when The port index of frequency position and/or the DMRS；
The terminal device receives the DMRS according to the DMRS instruction message.
In one possible implementation, the terminal device determines the DMRS instruction information of PDCCH, comprising:
The terminal device determines DMRS offset parameter, the DMRS offset according to the CORESET of the PDCCH of configuration Parameter is used to indicate offset of the time-domain position relative to reference position of the DMRS.
In alternatively possible implementation, the reference position includes the character position on the currently monitored opportunity or works as First character position in preceding time slot.
In alternatively possible implementation, the DMRS offset parameter is less than the CORESET and occupies in the time domain The number of symbol.
In alternatively possible implementation, the time-domain position of the DMRS includes the starting character in REG beam Number position or intermediate symbols position, the REG beam include that the REG symbol of a mapping DMRS and the control of multiple mapping downlinks are believed The REG symbol of DCI is ceased, and the REG symbol of the REG symbol of the mapping DMRS and the multiple mapping DCI are to connect in the time domain Continuous.
In alternatively possible implementation, the time-frequency location of the DMRS is fixed character position.
In alternatively possible implementation, the terminal device determines the DMRS instruction information of PDCCH, comprising:
When sharing the time-domain position of a DMRS there are multiple CORESET or multiple search spaces, institute The port index that terminal device determines the DMRS according to the CORESET of configuration is stated, the port index of the DMRS is used for Indicate the port of the DMRS used in the CORESET or described search space.
In alternatively possible implementation, the port index of the DMRS is the figure according to the DMRS in REG Sample configuration.
In alternatively possible implementation, pattern of the DMRS in the REG is fixed DMRS pattern.
In alternatively possible implementation, pattern of the DMRS in the REG is preconfigured, the side Method further include:
The terminal device determines that DMRS pattern parameter, the DMRS pattern parameter are used according to the CORESET of configuration In the number for the RE that the pectination interval and/or the DMRS that indicate the DMRS occupy.
In alternatively possible implementation, the method also includes:
When sharing the time-domain position of a DMRS there are at least one CORESET or search space, institute It states terminal device and determines time-frequency location and DMRS density REG beam in of the DMRS in REG.
In alternatively possible implementation, the density of the DMRS in the REG beam is to be pre-configured.
According to another aspect of the present disclosure, the transmitting device of DMRS a kind of is provided, the access net for single-carrier system In equipment, described device includes:
Configuration module, the DMRS for configuring physical downlink control channel PDCCH indicate information, and the DMRS indicates information It is used to indicate the time-frequency location of the DMRS and/or the port index of the DMRS；
Sending module, for sending the DMRS according to the DMRS instruction message.
In one possible implementation, the configuration module is also used to configure the control resource collection of the PDCCH DMRS offset parameter is configured when CORESET, the DMRS offset parameter is used to indicate the time-domain position of the DMRS relative to ginseng Examine the offset of position.
In alternatively possible implementation, the reference position includes the character position on the currently monitored opportunity or works as First character position in preceding time slot.
In alternatively possible implementation, the DMRS offset parameter is less than the CORESET and occupies in the time domain The number of symbol.
In alternatively possible implementation, the time-domain position of the DMRS includes being in resource unit group REG The primary sign position or intermediate symbols position of beam, the REG beam include a REG symbol for mapping DMRS and multiple mappings The REG symbol of Downlink Control Information DCI, and the REG symbol of the REG symbol of the mapping DMRS and the multiple mapping DCI exist It is continuous in time domain.
In alternatively possible implementation, the time-frequency location of the DMRS is fixed character position.
In alternatively possible implementation, the configuration module is also used to when there are multiple CORESET or multiple When the time-domain position of a DMRS is shared in search space, the port of the DMRS is configured when configuring the CORESET Index, the port index of the DMRS are used to indicate the DMRS's used in the CORESET or described search space Port.
In alternatively possible implementation, the configuration module, when being also used to configure the CORESET, according to institute State the port index that pattern of the DMRS in REG configures the DMRS.
In alternatively possible implementation, pattern of the DMRS in the REG is fixed DMRS pattern.
In alternatively possible implementation, pattern of the DMRS in the REG be it is preconfigured, it is described to match Module is set, DMRS pattern parameter is configured when being also used to configure the CORESET, the DMRS pattern parameter is used to indicate described The number for the RE that the pectination interval of DMRS and/or the DMRS are occupied.
In alternatively possible implementation, described device further include:
Determining module, for when there are at least one CORESET or search space to share described in a DMRS When time-domain position, time-frequency location and DMRS density REG beam in of the DMRS in REG is determined.
In alternatively possible implementation, the configuration module is also used to configure the DMRS in the REG beam Density.
According to another aspect of the present disclosure, the transmitting device of DMRS a kind of is provided, the terminal for single-carrier system is set In standby, described device includes:
Determining module, for determining that the DMRS of PDCCH indicates that information, the DMRS instruction information are used to indicate the DMRS Time-frequency location and/or the DMRS port index；
Receiving module 1120, for receiving the DMRS according to the DMRS instruction message.
In one possible implementation, the determining module is also used to according to the PDCCH's of configuration CORESET determines that DMRS offset parameter, the DMRS offset parameter are used to indicate the time-domain position of the DMRS relative to reference The offset of position.
In alternatively possible implementation, the reference position includes the character position on the currently monitored opportunity or works as First character position in preceding time slot.
In alternatively possible implementation, the DMRS offset parameter is less than the CORESET and occupies in the time domain The number of symbol.
In alternatively possible implementation, the time-domain position of the DMRS includes the starting character in REG beam Number position or intermediate symbols position, the REG beam include that the REG symbol of a mapping DMRS and the control of multiple mapping downlinks are believed The REG symbol of DCI is ceased, and the REG symbol of the REG symbol of the mapping DMRS and the multiple mapping DCI are to connect in the time domain Continuous.
In alternatively possible implementation, the time-frequency location of the DMRS is fixed character position.
In alternatively possible implementation, the determining module is also used to when there are multiple CORESET or multiple When the time-domain position of a DMRS is shared in search space, determine the DMRS's according to the CORESET of configuration Port index, the port index of the DMRS are used to indicate described used in the CORESET or described search space The port of DMRS.
In alternatively possible implementation, the port index of the DMRS is the figure according to the DMRS in REG Sample configuration.
In alternatively possible implementation, pattern of the DMRS in the REG is fixed DMRS pattern.
In alternatively possible implementation, pattern of the DMRS in the REG be it is preconfigured, it is described really Cover half block is also used to determine that DMRS pattern parameter, the DMRS pattern parameter are used to indicate institute according to the CORESET of configuration The number for the RE that the pectination interval and/or the DMRS for stating DMRS occupy.
In alternatively possible implementation, the determining module, be also used to when there are at least one CORESET or When the time-domain position of a DMRS is shared in search space, time-frequency location of the DMRS in REG and described is determined Density of the DMRS in REG beam.
In alternatively possible implementation, the density of the DMRS in the REG beam is to be pre-configured.
According to another aspect of the present disclosure, a kind of access network equipment is provided, the access network equipment includes: processor； Memory for storage processor executable instruction；
Wherein, the processor is configured to:
The DMRS for configuring physical downlink control channel PDCCH indicates that information, the DMRS instruction information are used to indicate described The port index of the time-frequency location of DMRS and/or the DMRS；
The DMRS is sent according to the DMRS instruction message.
According to another aspect of the present disclosure, a kind of terminal device is provided, the terminal device includes: processor；For The memory of storage processor executable instruction；
Wherein, the processor is configured to:
Determine the DMRS instruction information of PDCCH, DMRS instruction information be used to indicate the DMRS time-frequency location and/ Or the port index of the DMRS；
The DMRS is received according to the DMRS instruction message.
According to another aspect of the present disclosure, a kind of non-volatile computer readable storage medium storing program for executing is provided, is stored thereon with Computer program instructions, the computer program instructions realize above-mentioned method when being executed by processor.
The embodiment of the present disclosure is by the way that in single-carrier system, the DMRS that access network equipment configures PDCCH indicates information, DMRS Instruction information is used to indicate the time-frequency location of DMRS and/or the port index of DMRS, and access network equipment is according to DMRS instruction message DMRS is sent, allows the PDCCH in single-carrier system to support the transmission of DMRS, guarantees the transmission performance of system.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, the other feature and aspect of the disclosure will become It is clear.
Detailed description of the invention
Comprising in the description and constituting the attached drawing of part of specification and specification together illustrates the disclosure Exemplary embodiment, feature and aspect, and for explaining the principles of this disclosure.
Fig. 1 shows the structural schematic diagram of the mobile communication system of one exemplary embodiment of disclosure offer；
Fig. 2 shows the flow charts of the transmission method of the DMRS of one exemplary embodiment of disclosure offer；
Fig. 3 shows the structural schematic diagram of the possible REG beam of more clocks of embodiment of the present disclosure offer；
Fig. 4 shows the schematic diagram of the possible position RE PDCCH DMRS of the embodiment of the present disclosure；
Fig. 5 shows the structural schematic diagram of the possible REG beam of more clocks of embodiment of the present disclosure offer；
Fig. 6 to Fig. 8 shows the schematic diagram of the pattern of DMRS in the REG of embodiment of the present disclosure offer；
Fig. 9 shows the flow chart of the transmission method of the DMRS of another exemplary embodiment of disclosure offer；
Figure 10 shows the structural schematic diagram of the transmitting device of the DMRS of an embodiment of the present disclosure offer；
Figure 11 shows the structural schematic diagram of the transmitting device of the DMRS of another embodiment of disclosure offer；
Figure 12 shows the structural schematic diagram of the access network equipment of one exemplary embodiment of disclosure offer；
Figure 13 shows the structural schematic diagram of the terminal device of one exemplary embodiment of disclosure offer.
Specific embodiment
Various exemplary embodiments, feature and the aspect of the disclosure are described in detail below with reference to attached drawing.It is identical in attached drawing Appended drawing reference indicate element functionally identical or similar.Although the various aspects of embodiment are shown in the attached drawings, remove It non-specifically points out, it is not necessary to attached drawing drawn to scale.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary " Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
It should be understood that the terms "and/or", only a kind of incidence relation for describing affiliated partner, expression can deposit In three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B. In addition, character "/", expression forward-backward correlation object are a kind of relationships of "or" herein.
" multiple " occurred in the embodiment of the present disclosure refer to two or more.
First, second occurred in the embodiment of the present disclosure is equal to be described, and is only made signal and is used with description object is distinguished, without secondary Point of sequence, does not indicate to be particularly limited to equipment number in the embodiment of the present disclosure yet, cannot constitute and appoint to the embodiment of the present disclosure What is limited.
" connection " occurred in the embodiment of the present disclosure, which refers to, the various connection types such as is directly connected to or is indirectly connected with, with reality The communication of existing equipment room, the embodiment of the present disclosure do not do any restriction to this.
In addition, giving numerous details in specific embodiment below to better illustrate the disclosure. It will be appreciated by those skilled in the art that without certain details, the disclosure equally be can be implemented.In some instances, for Method, means, element and circuit well known to those skilled in the art are not described in detail, in order to highlight the purport of the disclosure.
Firstly, noun involved in the embodiment of the present disclosure is introduced.
In 3GPP NR system, in the radio frames that time domain length is 10ms, each radio frames are divided into 10 same big Small time domain length is the subframe of 1ms, may include multiple time slots by the different each subframes of subcarrier spacing.Each time slot is by certain The symbol of quantity is constituted, and symbol numbers are determined by cyclic prefix (cyclic prefix, CP) type.
It controls resource collection (control-resource set, CORESET): comprising in frequencyA resource Block (resource block, RB), CORESET pass through the proprietary signal deployment of terminal device.CORESET is a PDCCH resource Set, the PDCCH of a terminal device may include one or more CORESET.
Control channel unit (Control Channel Element, CCE): being that the resource unit of PDCCH is.Optionally, One CORESET includes multiple CCE, and a CCE is made of continuous 6 REG, and 6 REG are in time domain Continuous Mappings.CCE It is resource units in logic, multiple resource unit groups (Resource Element Group, REG) on corresponding PRB.
The basic structure of REG:PDCCH.Optionally, each REG is made of continuous 12 RE in an OFDM symbol, often A CCE includes multiple REG again.
Polymerization grade (Aggregation level, AL): multiple CCE can polymerize a PDCCH candidate (English: Candidate), for the search of PDCCH.Polymerization grade can support a variety of grades, such as 4 or 8 or 16.For example, polymerization grade It includes 8 continuous CCE that a PDCCH is used to indicate when being 8.The setting of polymerization grade needs to consider actual link budget.
PDCCH candidate: Downlink Control Information (Downlink Control Information, DCI) passes through one A PDCCH candidate carrying, the selection PDCCH candidate institute that access network equipment can be adaptive according to channel conditions The polymerization grade used is made of several CCE.
It should be noted that a part of related terms involved in the embodiment of the present disclosure can refer to it is corresponding in 3GPP agreement Associated description, for example, CORESET, DCI, PDCCH, REG, RE, AL, CCE etc., herein repeat no more this.
In the related technology, it is all made of SC-FDMA (he Single Carrier-Frequency Division multiple access) transmission in Lte and NR system uplink, wherein one Kind is the OFDM waveform (DFT-s-OFDM) based on DFT extension, compared to traditional OFDMA its advantage is that the ebb of existing single carrier Equal power ratio (PAPR), and have the reliability of multicarrier.Mobile terminal can be greatly improved in terms of transmitting effect in lower PAPR Performance, therefore battery can be extended.The operation for wherein completing DFT transform is known as converting precoding (Transform It precoding), is completed by a kind of symmetric form DFT.At the same time, it is also proposed that be much based on the other waveforms of DFT, such as base In the DFT waveform of sequence, the DFT waveform based on filling 0bits.
In single-carrier system, when downlink transfer is reduced using single carrier waveform, such as hyper band downlink transfer When papr (Peak to Average Power Ratio, PAPR) is possible to using having single carrier waveform, phase The method of suitable transmission DMRS a kind of is not yet provided in the technology of pass.
And the embodiment of the present disclosure provides the transmission method, device and storage medium of a kind of DMRS, by single carrier system In system, access network equipment configure PDCCH DMRS indicate information, DMRS instruction information be used to indicate DMRS time-frequency location and/ Or the port index of DMRS, access network equipment sends DMRS according to DMRS instruction message, so that the PDCCH in single-carrier system can To support the transmission of DMRS, guarantee the transmission performance of system.
Referring to FIG. 1, the structural representation of the mobile communication system provided it illustrates one exemplary embodiment of the disclosure Figure.Mobile communication system can be LTE system, can also be 5G system, and 5G system is also known as newly eated dishes without rice or wine (New Radio, NR) system System, can also be that the more next generation mobile communication technological system of 5G, the present embodiment are not construed as limiting this.
Optionally, which is suitable for the different network architectures, including but not limited to junction network framework, double Link architecture, car networking (Vehicle to Everything, V2X) framework etc..
The mobile communication system includes: access network equipment 120 and terminal device 140.
Access network equipment 120 can be base station (base station, BS), alternatively referred to as base station equipment, be a kind of deployment In wireless access network (Radio Access Network, RAN) to provide the device of wireless communication function.For example, in 2G net It includes base radio transceiver station (base transceiver station, BTS), 3G network that the equipment of base station functions is provided in network The middle equipment for providing base station functions includes node B (English: NodeB), and the equipment that base station functions are provided in 4G network includes drilling Into node B (evolved NodeB, eNB), Wireless LAN (wireless local area networks, WLAN the equipment that base station functions are provided in) is access point (access point, AP), the offer base station functions in 5G system Equipment is gNB, and continues the node B (English: ng-eNB) of evolution, and the access network equipment 120 in the embodiment of the present disclosure also wraps It includes and provides the equipment etc. of base station functions in the following new communication system, the embodiment of the present disclosure is specific to access network equipment 120 Implementation is not limited.Access network equipment can also include Home eNodeB (Home eNB, HeNB), relaying (English: Relay), femto base station Pico etc..
Base station controller is a kind of device for managing base station, such as base station controller (the base station in 2G network Controller, BSC), the radio network controller (radio network controller, RNC) in 3G network, can be with It is the device of control management base station in the following new communication system.
Network side network (English: network) in the embodiment of the present disclosure is to provide communication service for terminal device 140 Communication network, the base station comprising wireless access network can also include the base station controller of wireless access network, can also include core The equipment of net side.
Core net can be Evolved Packet Core (evolved packet core, EPC), 5G core net (English: 5G Core Network), it can also be the novel core net in future communication systems.5G Core Network is by one group of equipment Composition, and realize access and mobile management function to ps domain (the Access and Mobility of the functions such as mobile management Management Function, AMF), data packet routing forwarding and service quality (Quality of Service, QoS) are provided The user plane functions (User Plane Function, UPF) of the functions such as management provide session management, IP address distribution and management Etc. the conversation management functional (Session Management Function, SMF) of functions etc..EPC can be by offer mobility pipe The MME of functions such as reason, gateway selection, the gateway (Serving Gateway, S-GW) of the functions such as data packet forwarding is provided Serving Gateway, PDN Gateway (PDN Gateway, P-GW) group of the functions such as terminal address distribution, rate control is provided At.
Access network equipment 120 and terminal device 140 are established by radio open to be wirelessly connected.Optionally, the radio open It is the radio open based on 5G standard, for example the radio open is NR；Alternatively, the radio open is also possible to based on the more lower of 5G The radio open of generation mobile communication network technology standard；Alternatively, the radio open is also possible to based on 4G standard (LTE system) Radio open.The upstream data that access network equipment 120 can be sent by being wirelessly connected receiving terminal apparatus 140.
Terminal device 140 can refer to the equipment for carrying out data communication with access network equipment 120.Terminal device 140 can be with It is communicated through wireless access network with one or more core nets.Terminal device 140 can be various forms of user equipmenies (user equipment, UE), access terminal equipment, subscriber unit, subscriber station, movement station, mobile station (mobile Station, MS), remote station, remote terminal equipment, mobile device, subscriber terminal equipment, terminal device (English: terminal Equipment), wireless telecom equipment, user agent or user apparatus.Terminal device 140 can also be cellular phone, wireless electricity Words, session initiation protocol (Session Initiation Protocol, SIP) phone, wireless local loop (Wireless Local Loop, WLL) it stands, personal digital assistant (Personal Digital Assistant, PDA), there is wireless communication function Can handheld device, calculate equipment or be connected to radio modem other processing equipments, mobile unit, wearable set It is standby, Public Land Mobile Network network (the Public Land of terminal device or the following evolution in the following 5G network Mobile Network, PLMN) in terminal device etc., the present embodiment is not construed as limiting this.Terminal device 140 can by with Wireless connection between access network equipment 120 receives the downlink data that access network equipment 120 is sent.
It should be noted is that when mobile communication system shown in FIG. 1 is using the more next-generation movement of 5G system or 5G When communication technology system, above-mentioned each network element may have in the more next generation mobile communication technological system of 5G system or 5G Different titles, but there is the same or similar function, the embodiment of the present disclosure is not construed as limiting this.
It needs to illustrate on the other hand, may include multiple access network equipments in mobile communication system shown in Fig. 1 It is illustrated in 120 and/or multiple terminal devices 140, Fig. 1 with showing an access network equipment 120 and a terminal device 140 It is bright, but the embodiment of the present disclosure is not construed as limiting this.
In the following, explanation is introduced to disclosed technique scheme by several exemplary embodiments.
Referring to FIG. 2, it illustrates the flow chart of the transmission method of the DMRS of one exemplary embodiment of disclosure offer, The present embodiment is used to illustrate in single-carrier system shown in FIG. 1 in this way.This method includes following steps.
Step 201, the DMRS of access network equipment configuration PDCCH indicates that information, DMRS instruction information are used to indicate DMRS's The port index of time-frequency location and/or DMRS.
Optionally, access network equipment configuration PDCCH DMRS indicate information, DMRS instruction information include DMRS pattern, At least one of sequence information and the port information of DMRS of DMRS.Wherein, the pattern of DMRS is used to indicate the time-frequency of DMRS Position distribution.The time-frequency location of DMRS is the position of the running time-frequency resource of DMRS.
Optionally, the DMRS for the PDCCH that access network equipment issues configuration to terminal device by high-level signaling indicates information. Corresponding, the DMRS that terminal device receives the PDCCH of configuration indicates information.
Step 202, access network equipment sends DMRS according to DMRS instruction message.
Optionally, access network equipment sends the DMRS of the PDCCH according to DMRS instruction message while sending PDCCH.
Optionally, DMRS is sent to terminal device according to DMRS instruction message by access network equipment.It is corresponding, terminal device Indicate that information receives DMRS according to the DMRS of configuration.
In conclusion the embodiment of the present disclosure is by the way that in single-carrier system, access network equipment configures the DMRS instruction of PDCCH Information, DMRS instruction information are used to indicate the time-frequency location of DMRS and/or the port index of DMRS, and access network equipment is according to DMRS Instruction message sends DMRS, allows the PDCCH in single-carrier system to support the transmission of DMRS, guarantees the transporting of system Energy.
The DMRS that access network equipment configures PDCCH indicates information, including is first not limited to following several possible implementations.
In one possible implementation, the DMRS instruction information of PDCCH is used to indicate the time-frequency location of DMRS.DMRS Time-frequency location be by parameter configuration.
Optionally, DMRS offset parameter is configured when the CORESET of access network equipment configuration PDCCH, DMRS offset parameter is used In offset of the time-domain position relative to reference position of instruction DMRS.
Schematically, CORESET includes multiple configuration parameters, increases the ginseng of DMRS offset newly in multiple configuration parameters Number is DMRS offset parameter.
Optionally, reference position include the currently monitored opportunity (English: Monitoring occasion) character position or First character position in person's current time slots.The embodiment of the present disclosure is not limited the set-up mode of reference position.
Schematically, reference position is the character position on the currently monitored opportunity.If DMRS offset parameter is 0, DMRS's Time-domain position is the primary sign position on the currently monitored opportunity.If DMRS offset parameter is that the time-domain position of 1, DMRS is current The latter character position of the primary sign position on monitoring opportunity.
Optionally, DMRS offset parameter is less than the number that CORESET occupies symbol in the time domain.
Schematically, wherein duration parameter is used to indicate the number that CORESET occupies symbol in the time domain.
In this implementation, a kind of structure of new REG beam (English: bundle) is provided.The REG beam includes one The REG symbol of DMRS and the REG symbol of multiple mapping DCI are mapped, and maps the REG symbol of DMRS and the REG of multiple mapping DCI Symbol is continuous in the time domain.
Optionally, the time-domain position of DMRS includes primary sign position or intermediate symbols position in REG beam.I.e. The symbol of DMRS is located at the primary sign position or intermediate symbols position of REG beam.
For example, configuration CORESET length be N+1=2,3,4.
In schematical example, as shown in figure 3, (a) to (e) in Fig. 3 shows the more of embodiment of the present disclosure offer The structural schematic diagram of the possible REG beam of clock.Each sub-box in figure indicate a resource element (Resource Element, RE), a RE occupies 1 REG symbol in the time domain, occupies 1 subcarrier (15KHz) on frequency domain.The REG beam includes mapping The REG symbol 31 of DMRS and the REG symbol 32 of mapping PDCCH, and be continuous, wherein the REG symbol 31 for mapping DMRS is located at The primary sign position of REG beam.
In conclusion configuration DMRS offset when the embodiment of the present disclosure also configures the CORESET of PDCCH by access network equipment Parameter, the DMRS offset parameter are used to indicate offset of the time-domain position relative to reference position of DMRS；So that in known ginseng The time-domain position that DMRS can be quickly and efficiently determined in the case where examining position, improves the time-domain position of determining DMRS Efficiency.
In alternatively possible implementation, the time-frequency location of DMRS is fixed character position.
Optionally, the DMRS of PDCCH and Physical Downlink Shared Channel (PDSCH Physical Downlink Shared Channel, PDSCH) share the position of preposition DMRS.In view of the PDSCH grade of 52.6GHz will not be too high, 2 are likely less than, Most 4.This means that PDSCH DMRS can have some not used resources.
In a schematical example, as shown in figure 4, to show PDCCH DMRS possible by (a) and (b) in Fig. 4 The schematic diagram of the position RE.If the monitoring opportunity of PDCCH is located in preceding 3 symbols, preposition DMRS symbol is can be used in DMRS, Such as type-A, the position RE of PDCCH DMRS can be symbol 0/1 or symbol 2/3；For B type, PDCCH DMRS's The position RE can be symbol 0/1 or symbol 2/3 or symbol 4/5.
Schematically, by taking DMRS is located at symbol 3 as an example, as shown in figure 5, (a) to (f) in Fig. 5 shows disclosure reality The structural schematic diagram of the possible REG beam of more clocks of example offer is provided.The REG beam includes mapping the REG symbol 51 of DMRS and being not used REG symbol 52.Wherein, each sub-box in figure indicates that a RE, a RE occupy 1 REG symbol, frequency domain in the time domain 1 subcarrier (15KHz) of upper occupancy.
In alternatively possible implementation, multiple CORESET or multiple search spaces (SearchSpace, SS) The time-domain position of a shared DMRS.
When sharing the time-domain position of a DMRS there are multiple CORESET or multiple search spaces, access network equipment The port index of DMRS is configured when configuring CORESET, the port index of DMRS, which is used to indicate CORESET or search space, to be made The port of DMRS.
Optionally, the time-domain position of a DMRS be a DMRS character position, i.e., ought exist multiple CORESET or When the character position of a DMRS is shared in multiple search spaces, access network equipment configures the port rope of DMRS when configuring CORESET Draw.
Schematically, CORESET includes multiple configuration parameters, increases DMRS port index newly in multiple configuration parameters The as port index of DMRS.
Optionally, the port index of DMRS depends on pattern of the DMRS in REG.I.e. access network equipment exists according to DMRS The port index of pattern configuration DMRS in REG, pattern of the DMRS in REG are used to indicate time-frequency location of the DMRS in REG Distribution.
In conclusion the embodiment of the present disclosure also passes through when there are multiple CORESET or multiple search spaces are one shared When the time-domain position of DMRS, access network equipment configures the port index of DMRS when configuring CORESET, so that according to the port of DMRS Which DMRS port index can quickly determine out some CORESET or search space using, improve the determining end DMRS The efficiency of mouth position.
It should be noted that pattern of the DMRS in REG can be fixed, it is also possible to preconfigured.
Optionally, pattern of the DMRS in REG is fixed DMRS pattern.If can at most accommodate 3 DMRS in a REG Port, then RE0 and RE1 in the REG of DMRS symbol, RE6 and RE7 are used to pass a port of DMRS, RE2 and RE3, RE8 It is used to pass second port of DMRS with RE9, RE4 and RE5, RE10 and RE 11 are used to pass the third port of DMRS.
Optionally, pattern of the DMRS in REG is preconfigured, this method further include: access network equipment configuration DMRS pattern parameter, the RE that DMRS pattern parameter is used to indicate the pectination interval of DMRS and/or DMRS is occupied are configured when CORESET Number.
Schematically, it configuring and is divided into parameter M between the pectination of DMRS, the number for the RE that configuration DMRS is occupied is parameter N, wherein M, N is positive integer.For example, M, N are the positive integer less than or equal to 12.
In a schematical example, as shown in fig. 6, it illustrates the schematic diagrames of the pattern of DMRS in REG.In figure Each sub-box indicates that a RE, a RE occupy 1 REG symbol in the time domain, occupies 1 subcarrier (15KHz) on frequency domain. It include monitoring position 61, the monitoring position 62 of CORESET2/SS2 and the monitoring of CORESET3/SS3 of CORESET1/SS1 in figure Position 63.Wherein, configuration or fixed REG symbol (such as REG symbol 3) can be used in the DMRS of PDCCH, and accesses net Equipment indicates that the DMRS port number of CORESET1/SS1 is 0 by high-level signaling, wherein M=3, N=2.
In another schematical example, as shown in fig. 7, it illustrates the schematic diagrames of the pattern of DMRS in REG.In figure Each sub-box indicate that a RE, a RE occupy 1 REG symbol in the time domain, 1 subcarrier is occupied on frequency domain (15KHz).The monitoring position 72 and CORESET3/ of monitoring position 71, CORESET2/SS2 in figure including CORESET1/SS1 The monitoring position 73 of SS3.Wherein, configuration or fixed REG symbol (such as REG symbol can be used in the DMRS of PDCCH 0), and access network equipment by high-level signaling indicates that the DMRS port number of CORESET1/SS1 is 0, wherein M=3, N=2.
In another schematical example, as shown in figure 8, it illustrates the schematic diagrames of the pattern of DMRS in REG.In figure Each sub-box indicate that a RE, a RE occupy 1 REG symbol in the time domain, 1 subcarrier is occupied on frequency domain (15KHz).Monitoring position 82, the CORESET3/ of monitoring position 81, CORESET2/SS2 in figure including CORESET1/SS1 The monitoring position 83 and not used resource location 84 of SS3.Wherein, the DMRS of PDCCH can be used configuration or fixing REG symbol (such as REG symbol 3), and access network equipment is by the DMRS port number of high-level signaling instruction CORESET1/SS1 0, wherein M=6, N=1.
In alternatively possible implementation, the shared DMRS at least one CORESET or search space when Domain position.
Optionally, when sharing the time-domain position of a DMRS there are at least one CORESET or search space, access Net equipment determines time-frequency location and DMRS density REG beam in of the DMRS in REG.
Schematically, the time-domain position of a DMRS is the character position of a DMRS, i.e., when there are at least one When the character position of a DMRS is shared in CORESET or search space, access network equipment determines time-frequency position of the DMRS in REG Set the density with DMRS in REG beam.
Optionally, the density of the DMRS in access network equipment configuration REG beam.The density of DMRS be DMRS in the time domain and/ Or the transmission density on frequency domain.
For example, REG beam includes 6 REG, when REG beam is CCE at this time, the density Q that access network equipment can configure DMRS is 1/3.For another example, as REG beam include 2 REG, CCE include 3 REG beams when, access network equipment can configure the density Q of DMRS It is 1/3.The embodiment of the present disclosure is not limited the set-up mode of the density of the DMRS in REG beam.
Optionally, density of the access network equipment based on the DMRS in the REG beam of configuration sends DMRS to terminal device.
In conclusion the embodiment of the present disclosure also configures the density of the DMRS in REG beam by access network equipment, so that access Net equipment can the density based on the DMRS of configuration to terminal device send DMRS, improve data transmission flexibility.
Referring to FIG. 9, it illustrates the processes of the transmission method of the DMRS of another exemplary embodiment of disclosure offer Figure, the present embodiment are used to illustrate in single-carrier system shown in FIG. 1 in this way.This method includes following step Suddenly.
Step 901, the DMRS of access network equipment configuration PDCCH indicates that information, DMRS instruction information are used to indicate DMRS's The port index of time-frequency location and/or DMRS.
Optionally, access network equipment configuration PDCCH DMRS indicate information, DMRS instruction information include DMRS pattern, At least one of sequence information and the port information of DMRS of DMRS.
Step 902, terminal device determines the DMRS instruction information of PDCCH.
Optionally, the DMRS for the PDCCH that access network equipment issues configuration to terminal device by high-level signaling indicates information. Corresponding, the DMRS that terminal device receives the PDCCH of configuration indicates information.Wherein, DMRS indicates that information is used to indicate DMRS's The port index of time-frequency location and/or DMRS.
Optionally, access network equipment issues the CORESET of the PDCCH of configuration, terminal by high-level signaling to terminal device Equipment receives the CORESET of the PDCCH of configuration, determines that DMRS offset parameter, DMRS are inclined according to the CORESET of the PDCCH of configuration Shifting parameter is used to indicate offset of the time-domain position relative to reference position of DMRS.
Optionally, reference position includes the character position on the currently monitored opportunity or first sign bit in current time slots It sets.
Optionally, DMRS offset parameter is less than the number that CORESET occupies symbol in the time domain.
Optionally, the time-domain position of DMRS includes primary sign position or intermediate symbols position in REG beam, REG Beam includes the REG symbol of a mapping DMRS and the REG symbol of multiple mapping Downlink Control Information DCI, and maps the REG of DMRS The REG symbol of symbol and multiple mapping DCI is continuous in the time domain.
Optionally, the time-frequency location of DMRS is fixed character position.
Optionally, when sharing the time-domain position of a DMRS there are multiple CORESET or multiple search spaces, terminal Equipment determines that the port index of DMRS, the port index of DMRS are used to indicate CORESET or search according to the CORESET of configuration The port of DMRS used in space.
Optionally, the port index of DMRS is that the pattern according to DMRS in REG configures.
Optionally, pattern of the DMRS in REG is fixed DMRS pattern.
Optionally, pattern of the DMRS in REG is preconfigured, method further include:
Optionally, terminal device determines that DMRS pattern parameter, DMRS pattern parameter are used to indicate according to the CORESET of configuration The number for the RE that the pectination interval of DMRS and/or DMRS are occupied.
Optionally, when sharing the time-domain position of a DMRS there are at least one CORESET or search space, terminal Equipment determines time-frequency location and DMRS density REG beam in of the DMRS in REG.
Optionally, the density of the DMRS in REG beam is to be pre-configured.
It should be noted that above-mentioned " time-frequency location of DMRS ", " port index of DMRS ", " figure of the DMRS in REG The definition of the nouns such as sample " and " density of the DMRS in REG beam " and configuration process can refer to the correlative detail in above-described embodiment, Details are not described herein.
Step 903, access network equipment sends DMRS according to DMRS instruction message.
Optionally, access network equipment sends the DMRS of the PDCCH according to DMRS instruction message while sending PDCCH.
Step 904, terminal device receives DMRS according to DMRS instruction message.
Corresponding, terminal device indicates information according to determining DMRS, receives the DMRS that access network equipment is sent.
Optionally, terminal device receives access network equipment hair using the time-frequency location of DMRS and/or the port index of DMRS The DMRS sent.
In conclusion the embodiment of the present disclosure is also by single-carrier system, access network equipment is according to the PDCCH's of configuration DMRS instruction message sends DMRS, corresponding, and terminal device receives DMRS according to the DMRS instruction message, so that single-carrier system In PDCCH can support the transmission of DMRS, be further ensured that the transmission performance of system.
It, can be with for the part not elaborated in Installation practice the following are the Installation practice of the embodiment of the present disclosure The technical detail with reference to disclosed in above method embodiment.
Referring to FIG. 10, it illustrates the structural schematic diagrams of the transmitting device of the DMRS of an embodiment of the present disclosure offer. The device can be implemented as the whole or one of the access network equipment of single-carrier system by the combination of software, hardware and the two Part.The transmitting device of the DMRS includes: configuration module 1010 and sending module 1020.
Configuration module 1010, for configure PDCCH DMRS indicate information, DMRS instruction information be used to indicate DMRS when The port index of frequency position and/or DMRS；
Sending module 1020, for sending DMRS according to DMRS instruction message.
In one possible implementation, configuration module 1010 are also used to configure the control resource collection of PDCCH DMRS offset parameter is configured when CORESET, DMRS offset parameter is used to indicate the time-domain position of DMRS relative to reference position Offset.
In alternatively possible implementation, reference position include the currently monitored opportunity character position or it is current when First character position in gap.
In alternatively possible implementation, DMRS offset parameter is less than that CORESET occupies symbol in the time domain Number.
In alternatively possible implementation, the time-domain position of DMRS includes the starting in resource unit group REG beam Character position or intermediate symbols position, REG beam include the REG symbol and multiple mapping Downlink Control Information of a mapping DMRS The REG symbol of DCI, and the REG symbol of the REG symbol of mapping DMRS and multiple mapping DCI are continuous in the time domain.
In alternatively possible implementation, the time-frequency location of DMRS is fixed character position.
In alternatively possible implementation, configuration module 1010 is also used to when there are multiple CORESET or multiple When the time-domain position of a DMRS is shared in search space, the port index of DMRS, the port rope of DMRS are configured when configuring CORESET It is incorporated in the port of DMRS used in instruction CORESET or search space.
In alternatively possible implementation, configuration module 1010 when being also used to configure CORESET, exists according to DMRS The port index of pattern configuration DMRS in REG.
In alternatively possible implementation, pattern of the DMRS in REG is fixed DMRS pattern.
In alternatively possible implementation, pattern of the DMRS in REG is preconfigured, configuration module 1010, Configure DMRS pattern parameter when being also used to configure CORESET, DMRS pattern parameter be used to indicate DMRS pectination interval and/or The number for the RE that DMRS is occupied.
In alternatively possible implementation, device further include:
Determining module, for when there are the time-domain positions that at least one CORESET or search space share a DMRS When, determine time-frequency location and DMRS density REG beam in of the DMRS in REG.
In alternatively possible implementation, configuration module 1010 is also used to configure the density of the DMRS in REG beam.
It should be noted that device provided by the above embodiment is when realizing its function, only with above-mentioned each functional module Division progress for example, in practical application, can be according to actual needs and by above-mentioned function distribution by different function moulds Block is completed, i.e., the content structure of equipment is divided into different functional modules, to complete all or part of function described above Energy.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method Embodiment in be described in detail, no detailed explanation will be given here.
Figure 11 is please referred to, it illustrates the structural schematic diagrams of the transmitting device of the DMRS of an embodiment of the present disclosure offer. The device can be implemented as by the combination of software, hardware and the two the terminal device of single-carrier system whole or one Point.The transmitting device of the DMRS comprises determining that module 1110 and receiving module 1120.
Determining module 1110, for determine PDCCH DMRS indicate information, DMRS instruction information be used to indicate DMRS when The port index of frequency position and/or DMRS；
Receiving module 1120, for receiving DMRS according to DMRS instruction message.
In one possible implementation, determining module 1110 are also used to true according to the CORESET of the PDCCH of configuration Determine DMRS offset parameter, DMRS offset parameter is used to indicate offset of the time-domain position relative to reference position of DMRS.
In alternatively possible implementation, reference position include the currently monitored opportunity character position or it is current when First character position in gap.
In alternatively possible implementation, DMRS offset parameter is less than that CORESET occupies symbol in the time domain Number.
In alternatively possible implementation, the time-domain position of DMRS include in REG beam primary sign position or Person's intermediate symbols position, REG beam include the REG symbol of a mapping DMRS and the REG symbol of multiple mapping Downlink Control Information DCI Number, and the REG symbol of the REG symbol of mapping DMRS and multiple mapping DCI are continuous in the time domain.
In alternatively possible implementation, the time-frequency location of DMRS is fixed character position.
In alternatively possible implementation, determining module 1110 is also used to when there are multiple CORESET or multiple When the time-domain position of a DMRS is shared in search space, the port index of DMRS, the end of DMRS are determined according to the CORESET of configuration Stomochord is incorporated in the port of DMRS used in instruction CORESET or search space.
In alternatively possible implementation, the port index of DMRS is that the pattern according to DMRS in REG configures.
In alternatively possible implementation, pattern of the DMRS in REG is fixed DMRS pattern.
In alternatively possible implementation, pattern of the DMRS in REG is preconfigured, determining module 1110, Be also used to determine DMRS pattern parameter according to the CORESET of configuration, DMRS pattern parameter be used to indicate DMRS pectination interval and/ Or the number of the RE of DMRS occupancy.
In alternatively possible implementation, determining module 1110, be also used to when there are at least one CORESET or When the time-domain position of a DMRS is shared in search space, determine that time-frequency location and DMRS of the DMRS in REG are close in REG beam Degree.
In alternatively possible implementation, the density of the DMRS in REG beam is to be pre-configured.
It should be noted that device provided by the above embodiment is when realizing its function, only with above-mentioned each functional module Division progress for example, in practical application, can be according to actual needs and by above-mentioned function distribution by different function moulds Block is completed, i.e., the content structure of equipment is divided into different functional modules, to complete all or part of function described above Energy.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method Embodiment in be described in detail, no detailed explanation will be given here.
Figure 12 is please referred to, it illustrates the structural representations for the access network equipment that one exemplary embodiment of the disclosure provides Figure, the access network equipment can be the access network equipment 120 in implementation environment shown in FIG. 1.The present embodiment is with access network equipment For eNB in LTE system, alternatively, being illustrated for gNB in 5G system, which includes: processor 121, receives Device 122, transmitter 123, memory 124 and bus 125.Memory 124 is connected by bus 125 with processor 121.
Processor 121 includes one or more than one processing core, and processor 121 passes through runs software program and mould Block, thereby executing various function application and information processing.
Receiver 122 and transmitter 123 can be implemented as a communication component, which can be one piece of communication core Piece may include receiving module, transmitting module and modulation /demodulation module etc. in communication chip, for being modulated solution to information It adjusts, and passes through reception of wireless signals or send the information.
Memory 124 can be used for 101 executable instruction of storage processor.
Memory 124 can store application program module 126 described at least one function.Application program module 126 can be with It include: configuration module 1261 and sending module 1262.
Processor 121 is used to execute configuration module 1261 to realize related configuration step in above-mentioned each embodiment of the method Function；Processor 121 is also used to execute sending module 1262 to realize related sending step in above-mentioned each embodiment of the method Function.
In addition, memory 124 can be by any kind of volatibility or non-volatile memory device or their combination It realizes, such as static to access memory (SRAM) at any time, electrically erasable programmable read-only memory (EEPROM), erasable programmable Read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, Disk or CD.
Please refer to Figure 13, it illustrates one exemplary embodiment of the disclosure provide terminal device structural schematic diagram, The terminal device can be the terminal device 140 in mobile communication system shown in FIG. 1.The present embodiment is LTE with terminal device Be illustrated for UE in system or 5G system, the terminal device include: processor 131, receiver 132, transmitter 133, Memory 134 and bus 135.Memory 134 is connected by bus 135 with processor 131.
Processor 131 includes one or more than one processing core, and processor 131 passes through runs software program and mould Block, thereby executing various function application and information processing.
Receiver 132 and transmitter 133 can be implemented as a communication component, which can be communication chip, It may include receiving module, transmitting module and modulation /demodulation module etc. in communication chip, for being modulated and/or solving to information It adjusts, and passes through reception of wireless signals or send the information.
Memory 134 can be used for 131 executable instruction of storage processor.
Memory 134 can store application program module 136 described at least one function.Application program module 136 can be with Comprise determining that module 1361 and receiving module 1362.
Processor 131 is used to execute determining module 1361 to realize related determining step in above-mentioned each embodiment of the method Function；Processor 131 is also used to execute receiving module 1362 to realize related receiving step in above-mentioned each embodiment of the method Function.
In addition, memory 134 can be by any kind of volatibility or non-volatile memory device or their combination It realizes, such as static to access memory (SRAM) at any time, electrically erasable programmable read-only memory (EEPROM), erasable programmable Read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, Disk or CD.
The embodiment of the present disclosure also provides a kind of relay system, which includes access network equipment and terminal device.
In one possible implementation, access network equipment includes the transmitting device of DMRS provided by above-mentioned Figure 10, Terminal device includes the transmitting device of DMRS provided by above-mentioned Figure 11.
In alternatively possible implementation, access network equipment includes access network equipment provided by above-mentioned Figure 12, eventually End equipment includes terminal device provided by above-mentioned Figure 13.
The disclosure can be system, method and/or computer program product.Computer program product may include computer Readable storage medium storing program for executing, containing for making processor realize the computer-readable program instructions of various aspects of the disclosure.
Computer readable storage medium, which can be, can keep and store the tangible of the instruction used by instruction execution equipment Equipment.Computer readable storage medium for example can be-- but it is not limited to-- storage device electric, magnetic storage apparatus, optical storage Equipment, electric magnetic storage apparatus, semiconductor memory apparatus or above-mentioned any appropriate combination.Computer readable storage medium More specific example (non exhaustive list) includes: portable computer diskette, hard disk, random access memory (RAM), read-only deposits It is reservoir (ROM), erasable programmable read only memory (EPROM or flash memory), static random access memory (SRAM), portable Compact disk read-only memory (CD-ROM), digital versatile disc (DVD), memory stick, floppy disk, mechanical coding equipment, for example thereon It is stored with punch card or groove internal projection structure and the above-mentioned any appropriate combination of instruction.Calculating used herein above Machine readable storage medium storing program for executing is not interpreted that instantaneous signal itself, the electromagnetic wave of such as radio wave or other Free propagations lead to It crosses the electromagnetic wave (for example, the light pulse for passing through fiber optic cables) of waveguide or the propagation of other transmission mediums or is transmitted by electric wire Electric signal.
Computer-readable program instructions as described herein can be downloaded to from computer readable storage medium it is each calculate/ Processing equipment, or outer computer or outer is downloaded to by network, such as internet, local area network, wide area network and/or wireless network Portion stores equipment.Network may include copper transmission cable, optical fiber transmission, wireless transmission, router, firewall, interchanger, gateway Computer and/or Edge Server.Adapter or network interface in each calculating/processing equipment are received from network to be counted Calculation machine readable program instructions, and the computer-readable program instructions are forwarded, for the meter being stored in each calculating/processing equipment In calculation machine readable storage medium storing program for executing.
Computer program instructions for executing disclosure operation can be assembly instruction, instruction set architecture (ISA) instructs, Machine instruction, machine-dependent instructions, microcode, firmware instructions, condition setup data or with one or more programming languages The source code or object code that any combination is write, the programming language include the programming language-of object-oriented such as Smalltalk, C++ etc., and conventional procedural programming languages-such as " C " language or similar programming language.Computer Readable program instructions can be executed fully on the user computer, partly execute on the user computer, be only as one Vertical software package executes, part executes on the remote computer or completely in remote computer on the user computer for part Or it is executed on server.In situations involving remote computers, remote computer can pass through network-packet of any kind It includes local area network (LAN) or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as benefit It is connected with ISP by internet).In some embodiments, by utilizing computer-readable program instructions Status information carry out personalized customization electronic circuit, such as programmable logic circuit, field programmable gate array (FPGA) or can Programmed logic array (PLA) (PLA), the electronic circuit can execute computer-readable program instructions, to realize each side of the disclosure Face.
Referring herein to according to the flow chart of the method, apparatus (system) of the embodiment of the present disclosure and computer program product and/ Or block diagram describes various aspects of the disclosure.It should be appreciated that flowchart and or block diagram each box and flow chart and/ Or in block diagram each box combination, can be realized by computer-readable program instructions.
These computer-readable program instructions can be supplied to general purpose computer, special purpose computer or other programmable datas The processor of processing unit, so that a kind of machine is produced, so that these instructions are passing through computer or other programmable datas When the processor of processing unit executes, function specified in one or more boxes in implementation flow chart and/or block diagram is produced The device of energy/movement.These computer-readable program instructions can also be stored in a computer-readable storage medium, these refer to It enables so that computer, programmable data processing unit and/or other equipment work in a specific way, thus, it is stored with instruction Computer-readable medium then includes a manufacture comprising in one or more boxes in implementation flow chart and/or block diagram The instruction of the various aspects of defined function action.
Computer-readable program instructions can also be loaded into computer, other programmable data processing units or other In equipment, so that series of operation steps are executed in computer, other programmable data processing units or other equipment, to produce Raw computer implemented process, so that executed in computer, other programmable data processing units or other equipment Instruct function action specified in one or more boxes in implementation flow chart and/or block diagram.
The flow chart and block diagram in the drawings show system, method and the computer journeys according to multiple embodiments of the disclosure The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation One module of table, program segment or a part of instruction, the module, program segment or a part of instruction include one or more use The executable instruction of the logic function as defined in realizing.In some implementations as replacements, function marked in the box It can occur in a different order than that indicated in the drawings.For example, two continuous boxes can actually be held substantially in parallel Row, they can also be executed in the opposite order sometimes, and this depends on the function involved.It is also noted that block diagram and/or The combination of each box in flow chart and the box in block diagram and or flow chart, can the function as defined in executing or dynamic The dedicated hardware based system made is realized, or can be realized using a combination of dedicated hardware and computer instructions.
The presently disclosed embodiments is described above, above description is exemplary, and non-exclusive, and It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill Many modifications and changes are obvious for the those of ordinary skill in art field.The selection of term used herein, purport In the principle, practical application or technological improvement to the technology in market for best explaining each embodiment, or lead this technology Other those of ordinary skill in domain can understand each embodiment disclosed herein.

Claims (27)

1. a kind of transmission method of demodulated reference signal DMRS, which is characterized in that be used in single-carrier system, the method packet It includes:
The DMRS that access network equipment configures physical downlink control channel PDCCH indicates information, and the DMRS instruction information is for referring to Show the time-frequency location of the DMRS and/or the port index of the DMRS；
The access network equipment sends the DMRS according to the DMRS instruction message.
2. the method according to claim 1, wherein the access network equipment configures Physical Downlink Control Channel The DMRS of PDCCH indicates information, comprising:
The access network equipment configures DMRS offset parameter when configuring the control resource collection CORESET of the PDCCH, described DMRS offset parameter is used to indicate offset of the time-domain position relative to reference position of the DMRS.
3. according to the method described in claim 2, it is characterized in that, the reference position includes the sign bit on the currently monitored opportunity Set or current time slots in first character position.
4. according to the method described in claim 2, it is characterized in that, the DMRS offset parameter be less than the CORESET when Occupy the number of symbol on domain.
5. according to the method described in claim 2, it is characterized in that,
The time-domain position of the DMRS includes primary sign position or intermediate symbols position in resource unit group REG beam It sets, REG symbol and the multiple REG symbol that maps Downlink Control Information DCI of the REG beam comprising a mapping DMRS, and institute The REG symbol and the REG symbol of the multiple mapping DCI for stating mapping DMRS are continuous in the time domain.
6. the method according to claim 1, wherein the time-frequency location of the DMRS is fixed sign bit It sets.
7. the method according to claim 1, wherein the access network equipment configures Physical Downlink Control Channel The DMRS of PDCCH indicates information, comprising:
It is described to connect when sharing the time-domain position of a DMRS there are multiple CORESET or multiple search spaces Log equipment configures the port index of the DMRS when configuring the CORESET, the port index of the DMRS is used to indicate institute State the port of the DMRS used in CORESET or described search space.
8. the method according to the description of claim 7 is characterized in that the access network equipment configures when configuring the CORESET The port index of the DMRS, comprising:
When the access network equipment configures the CORESET, the end of the DMRS is configured according to pattern of the DMRS in REG Stomochord draws.
9. according to the method described in claim 8, it is characterized in that, pattern of the DMRS in the REG is fixed DMRS pattern.
10. according to the method described in claim 8, it is characterized in that, pattern of the DMRS in the REG is to be pre-configured with , the method also includes:
The access network equipment configures DMRS pattern parameter when configuring the CORESET, and the DMRS pattern parameter is used to indicate The number for the RE that the pectination interval of the DMRS and/or the DMRS are occupied.
11. the method according to claim 1, wherein the method also includes:
It is described to connect when sharing the time-domain position of a DMRS there are at least one CORESET or search space Log equipment determines time-frequency location and DMRS density REG beam in of the DMRS in REG.
12. according to the method for claim 11, which is characterized in that the method also includes:
The access network equipment configures the density of the DMRS in the REG beam.
13. a kind of transmission method of DMRS, which is characterized in that in single-carrier system, which comprises
Terminal device determines that the DMRS instruction information of PDCCH, the DMRS instruction information are used to indicate the time-frequency position of the DMRS It sets and/or the port index of the DMRS；
The terminal device receives the DMRS according to the DMRS instruction message.
14. according to the method for claim 13, which is characterized in that the terminal device determines the DMRS instruction letter of PDCCH Breath, comprising:
The terminal device determines DMRS offset parameter, the DMRS offset parameter according to the CORESET of the PDCCH of configuration It is used to indicate offset of the time-domain position relative to reference position of the DMRS.
15. according to the method for claim 14, which is characterized in that the reference position includes the symbol on the currently monitored opportunity First character position in position or current time slots.
16. according to the method for claim 14, which is characterized in that the DMRS offset parameter is less than the CORESET and exists Occupy the number of symbol in time domain.
17. according to the method for claim 14, which is characterized in that
The time-domain position of the DMRS includes primary sign position or intermediate symbols position in REG beam, the REG REG symbol and the multiple REG symbol that maps Downlink Control Information DCI of the beam comprising a mapping DMRS, and the mapping DMRS REG symbol and it is the multiple mapping DCI REG symbol be continuous in the time domain.
18. according to the method for claim 13, which is characterized in that the time-frequency location of the DMRS is fixed symbol Position.
19. according to the method for claim 13, which is characterized in that the terminal device determines the DMRS instruction letter of PDCCH Breath, comprising:
When sharing the time-domain position of a DMRS there are multiple CORESET or multiple search spaces, the end End equipment determines that the port index of the DMRS, the port index of the DMRS are used to indicate according to the CORESET of configuration The port of the DMRS used in the CORESET or described search space.
20. according to the method for claim 19, which is characterized in that the port index of the DMRS is existed according to the DMRS What the pattern in REG configured.
21. according to the method for claim 20, which is characterized in that pattern of the DMRS in the REG is fixed DMRS pattern.
22. according to the method for claim 20, which is characterized in that pattern of the DMRS in the REG is to match in advance It sets, the method also includes:
The terminal device determines DMRS pattern parameter according to the CORESET of configuration, and the DMRS pattern parameter is for referring to Show the number at the pectination interval of the DMRS and/or the RE of DMRS occupancy.
23. according to the method for claim 13, which is characterized in that the method also includes:
When sharing the time-domain position of a DMRS there are at least one CORESET or search space, the end End equipment determines time-frequency location and DMRS density REG beam in of the DMRS in REG.
24. according to the method for claim 23, which is characterized in that the density of the DMRS in the REG beam is prewired It sets.
25. a kind of transmitting device of DMRS, which is characterized in that in the access network equipment of single-carrier system, described device packet It includes:
Configuration module, the DMRS for configuring physical downlink control channel PDCCH indicate that information, the DMRS instruction information are used for Indicate the time-frequency location of the DMRS and/or the port index of the DMRS；
Sending module, for sending the DMRS according to the DMRS instruction message.
26. a kind of transmitting device of DMRS, which is characterized in that in the terminal device of single-carrier system, described device includes:
Determining module, for determining that the DMRS of PDCCH indicates information, DMRS instruction information be used to indicate the DMRS when The port index of frequency position and/or the DMRS；
Receiving module 1120, for receiving the DMRS according to the DMRS instruction message.
27. a kind of non-volatile computer readable storage medium storing program for executing, is stored thereon with computer program instructions, which is characterized in that institute It states and realizes method described in any one of claim 1 to 24 when computer program instructions are executed by processor.
CN201910842297.9A 2019-09-06 2019-09-06 Transmission method and device for demodulation reference signal DMRS and storage medium Active CN110535616B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910842297.9A CN110535616B (en) 2019-09-06 2019-09-06 Transmission method and device for demodulation reference signal DMRS and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910842297.9A CN110535616B (en) 2019-09-06 2019-09-06 Transmission method and device for demodulation reference signal DMRS and storage medium

Publications (2)

Publication Number Publication Date
CN110535616A true CN110535616A (en) 2019-12-03
CN110535616B CN110535616B (en) 2022-05-06

Family

ID=68667534

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910842297.9A Active CN110535616B (en) 2019-09-06 2019-09-06 Transmission method and device for demodulation reference signal DMRS and storage medium

Country Status (1)

Country Link
CN (1) CN110535616B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021178788A1 (en) * 2020-03-06 2021-09-10 Idac Holdings, Inc. Dynamic demodulation signal resource allocation
CN113661679A (en) * 2021-07-08 2021-11-16 北京小米移动软件有限公司 Reference signal time domain position configuration method, device, user equipment, base station and storage medium
WO2022141601A1 (en) * 2020-12-31 2022-07-07 华为技术有限公司 Method for sending demodulation reference signal and method for receiving demodulation reference signal, and communication device
WO2024031504A1 (en) * 2022-08-11 2024-02-15 新华三技术有限公司 Signal sending method and apparatus, signal receiving method and apparatus, device, and storage medium
WO2024032394A1 (en) * 2022-08-12 2024-02-15 华为技术有限公司 Communication method and apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104685802A (en) * 2012-10-04 2015-06-03 Lg电子株式会社 Method and apparatus for transreceiving downlink signal by considering antenna port relationship in wireless communication system
US20190215124A1 (en) * 2018-01-10 2019-07-11 At&T Intellectual Property I, L.P. Configuration of demodulation reference signals in beamformed wireless communication systems
CN110167159A (en) * 2018-02-13 2019-08-23 华为技术有限公司 A kind of communication means, device and system
US20190268889A1 (en) * 2017-09-08 2019-08-29 Samsung Electronics Co., Ltd. Method and apparatus for transmitting and receiving control and data channels in wireless communication system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104685802A (en) * 2012-10-04 2015-06-03 Lg电子株式会社 Method and apparatus for transreceiving downlink signal by considering antenna port relationship in wireless communication system
US20170257853A1 (en) * 2012-10-04 2017-09-07 Lg Electronics Inc. Method and apparatus for transreceiving downlink signal by considering antenna port relationship in wireless communication system
US20190268889A1 (en) * 2017-09-08 2019-08-29 Samsung Electronics Co., Ltd. Method and apparatus for transmitting and receiving control and data channels in wireless communication system
US20190215124A1 (en) * 2018-01-10 2019-07-11 At&T Intellectual Property I, L.P. Configuration of demodulation reference signals in beamformed wireless communication systems
CN110167159A (en) * 2018-02-13 2019-08-23 华为技术有限公司 A kind of communication means, device and system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NOKIA, NOKIA SHANGHAI BELL: "R1-1807705 Summary of open issues related to rate-matching in NR", 《3GPP TSG-RAN WG1 #93》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021178788A1 (en) * 2020-03-06 2021-09-10 Idac Holdings, Inc. Dynamic demodulation signal resource allocation
WO2022141601A1 (en) * 2020-12-31 2022-07-07 华为技术有限公司 Method for sending demodulation reference signal and method for receiving demodulation reference signal, and communication device
CN113661679A (en) * 2021-07-08 2021-11-16 北京小米移动软件有限公司 Reference signal time domain position configuration method, device, user equipment, base station and storage medium
WO2024031504A1 (en) * 2022-08-11 2024-02-15 新华三技术有限公司 Signal sending method and apparatus, signal receiving method and apparatus, device, and storage medium
WO2024032394A1 (en) * 2022-08-12 2024-02-15 华为技术有限公司 Communication method and apparatus

Also Published As

Publication number Publication date
CN110535616B (en) 2022-05-06

Similar Documents

Publication Publication Date Title
CN110535616A (en) Transmission method, device and the storage medium of demodulated reference signal DMRS
CN109906582B (en) Facilitating uplink communication waveform selection
US20220330285A1 (en) Method for cross-carrier scheduling and network-side device
Feng et al. An effective approach to 5G: Wireless network virtualization
CN108432322B (en) Terminal, radio base station, and radio communication method
CN106537857B (en) Apparatus and method for enhancing quality of service architecture for LTE
RU2701202C1 (en) Transmission configuration of a downlink
US10313208B2 (en) Flexible assignment of network functions for radio access
CN105101431B (en) Device-to-device communication method, device and system
EP3235316B1 (en) Flexible assignment of network functions for radio access
CN109150415A (en) Base station, user equipment and correlation technique
CN109194456A (en) A kind of method and apparatus in wireless communication
CN110167159A (en) A kind of communication means, device and system
KR20170016978A (en) System and method for ofdma tone allocation in next generation wi-fi networks
CN104770040A (en) Systems and methods for waveform selection and adaptation
CN108141383A (en) The system and method eated dishes without rice or wine of configuration modification
CN108365940A (en) Electronic equipment, mobile terminal and method
CN110351848A (en) A kind of time-domain resource distribution method and device
US20220272692A1 (en) Methods for data transmission and a terminal device
WO2016119687A1 (en) Signal sending method, receiving method and device
CN107889251A (en) A kind of determination method, the network equipment and the terminal of time-domain resource unit set structure
CN108365936A (en) A kind of communication means, apparatus and system
WO2019092823A1 (en) User terminal and radio communication method
Kumar et al. Key technologies and problem in deployment of 5G mobile communication systems
CN109565656A (en) Control method for sending information, method of reseptance, device and storage medium

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 100191 17 / F, block B, Zhizhen building, No.7, Zhichun Road, Haidian District, Beijing

Applicant after: Beijing Ziguang zhanrui Communication Technology Co.,Ltd.

Address before: 100191 17 / F, block B, Zhizhen building, No.7, Zhichun Road, Haidian District, Beijing

Applicant before: BEIJING SPREADTRUM HI-TECH COMMUNICATIONS TECHNOLOGY Co.,Ltd.

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant