CN110875808A - System information transmission method, network equipment and terminal - Google Patents
System information transmission method, network equipment and terminal Download PDFInfo
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- CN110875808A CN110875808A CN201811003982.4A CN201811003982A CN110875808A CN 110875808 A CN110875808 A CN 110875808A CN 201811003982 A CN201811003982 A CN 201811003982A CN 110875808 A CN110875808 A CN 110875808A
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- 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
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- 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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- 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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0096—Indication of changes in allocation
- H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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Abstract
The invention discloses a system information transmission method, network equipment and a terminal, wherein the method comprises the following steps: transmitting a system information block according to a start position of a pre-coding resource block group PRG in an active bandwidth part BWP in case of scheduling the system information block by the active BWP; wherein the starting position of the PRG is related to at least one of a target control resource set CORESET and update indication information of the system information block, and the active BWP overlaps at least part of frequency domain resources of the initial BWP. The embodiment of the invention can realize that different terminals share system information.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a system information transmission method, a network device, and a terminal.
Background
In a mobile communication system, a terminal needs to read broadcast information when accessing the system or in an idle state. These broadcast Information include Remaining Minimum System Information (RMSI), Other System Information (OSI), Paging (Paging) messages, and the like.
Before the RMSI is acquired, the terminal cannot acquire information contained in the RMSI, that is, cannot acquire a corresponding bandwidth configuration and a starting reference point of a Component Carrier (CC), and at this time, the terminal needs to divide a Precoding Resource Block Group (PRG) according to a starting position of a Control Resource Set (CORESET) scheduled by broadcast information. After the terminal acquires the RMSI, the PRG is divided by using the initial reference point of the CC as a starting point.
However, in the case that the Bandwidth Part (BWP) of the terminal includes the initial (initial) BWP, if the terminal needs to schedule the System Information Block one (System Information Block1, SIB1) to update the System Information and other terminals in the same cell also need to schedule SIB1 for the initial access procedure, the network device configures a set of SIBs 1 on the initial BWP to share to different terminals, but since the terminal updating the System Information already acquires the RMSI, the partition of the PRG is based on the start reference point of the CC, and the terminal performing the initial access does not acquire the RMSI, and the partition of the PRG is based on the start position of the CORESET scheduled by the broadcast Information to partition the PRG, so these terminals cannot share the SIB 1.
Disclosure of Invention
The embodiment of the invention provides a system information transmission method, network equipment and a terminal, which aim to solve the problem that different terminals in the same cell cannot share a system information block.
In a first aspect, an embodiment of the present invention provides a system information transmission method, applied to a communication device, including:
transmitting a system information block according to a start position of a pre-coding resource block group PRG in an active bandwidth part BWP in case of scheduling the system information block by the active BWP; wherein the starting position of the PRG is related to at least one of a target control resource set CORESET and update indication information of the system information block, and the active BWP overlaps at least part of frequency domain resources of the initial BWP.
In a second aspect, an embodiment of the present invention further provides a communication device, including:
a transmission module, configured to transmit the system information block according to a starting position of a pre-coding resource block group PRG in an active bandwidth part BWP, in case that the system information block is scheduled by the active bandwidth part BWP; wherein the starting position of the PRG is related to at least one of a target control resource set CORESET and update indication information of the system information block, and the active BWP overlaps at least part of frequency domain resources of the initial BWP.
In a third aspect, an embodiment of the present invention provides a network device, where the network device includes a processor, a memory, and a computer program stored in the memory and running on the processor, and when the processor executes the computer program, the steps of the system information transmission method described above are implemented.
In a fourth aspect, an embodiment of the present invention provides a terminal, where the terminal includes a processor, a memory, and a computer program stored in the memory and running on the processor, and when the computer program is executed by the processor, the steps of the system information transmission method described above are implemented.
In a fifth aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the system information transmission method described above are implemented.
Thus, the network device or the terminal according to the embodiment of the present invention transmits the system information block according to the starting position of the PRG in the active BWP, where the starting position of the PRG is related to the target CORESET and the indication information of the system information block, so that for different terminals using resources with overlapping frequency domains with the initial BWP, the network device can configure the same system information block for the different terminals, thereby enabling the different terminals to share the system information.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 shows a block diagram of a mobile communication system to which an embodiment of the present invention is applicable;
fig. 2 is a flowchart illustrating a system information transmission method according to an embodiment of the present invention;
FIGS. 3 to 5 are schematic diagrams illustrating frequency-domain resource relationship between an active BWP and an initial BWP according to an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating the relationship between BWP and CC frequency-domain resources according to an embodiment of the present invention;
fig. 7 is a block diagram of a communication device according to an embodiment of the present invention;
FIG. 8 is a block diagram of a network device according to an embodiment of the invention;
fig. 9 shows a block diagram of a terminal according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. In the description and in the claims "and/or" means at least one of the connected objects.
The techniques described herein are not limited to Long Term Evolution (LTE)/LTE Evolution (LTE-Advanced) systems, and may also be used for various wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" are often used interchangeably. The techniques described herein may be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. However, the following description describes the NR system for purposes of example, and NR terminology is used in much of the description below, although the techniques may also be applied to applications other than NR system applications.
The following description provides examples and does not limit the scope, applicability, or configuration set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the spirit and scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as appropriate. For example, the described methods may be performed in an order different than described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Referring to fig. 1, fig. 1 is a block diagram of a wireless communication system to which an embodiment of the present invention is applicable. The wireless communication system includes a terminal 11 and a network device 12. The terminal 11 may also be referred to as a terminal Device or a User Equipment (UE), where the terminal 11 may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a Wearable Device (Wearable Device), or a vehicle-mounted Device, and the specific type of the terminal 11 is not limited in the embodiment of the present invention. The network device 12 may be a Base Station or a core network, wherein the Base Station may be a 5G or later-version Base Station (e.g., a gNB, a 5G NR NB, etc.), or a Base Station in other communication systems (e.g., an eNB, a WLAN access point, or other access points, etc.), wherein the Base Station may be referred to as a node B, an evolved node B, an access point, a Base Transceiver Station (BTS), a radio Base Station, a radio Transceiver, a Basic Service Set (BSS), an Extended Service Set (ESS), a node B, an evolved node B (eNB), a home node B, a home evolved node B, a WLAN access point, a WiFi node, or some other suitable terminology in the field, as long as the same technical effect is achieved, the Base Station is not limited to a specific technical vocabulary, it should be noted that, in the embodiment of the present invention, only the Base Station in the NR system is taken as an example, but does not limit the specific type of base station.
The base stations may communicate with the terminals 11 under the control of a base station controller, which may be part of the core network or some of the base stations in various examples. Some base stations may communicate control information or user data with the core network through a backhaul. In some examples, some of the base stations may communicate with each other, directly or indirectly, over backhaul links, which may be wired or wireless communication links. A wireless communication system may support operation on multiple carriers (waveform signals of different frequencies). A multi-carrier transmitter can transmit modulated signals on the multiple carriers simultaneously. For example, each communication link may be a multi-carrier signal modulated according to various radio technologies. Each modulated signal may be transmitted on a different carrier and may carry control information (e.g., reference signals, control channels, etc.), overhead information, data, and so on.
The base station may communicate wirelessly with the terminal 11 via one or more access point antennas. Each base station may provide communication coverage for a respective coverage area. The coverage area of an access point may be divided into sectors that form only a portion of the coverage area. A wireless communication system may include different types of base stations (e.g., macro, micro, or pico base stations). The base stations may also utilize different radio technologies, such as cellular or WLAN radio access technologies. The base stations may be associated with the same or different access networks or operator deployments. The coverage areas of different base stations (including coverage areas of base stations of the same or different types, coverage areas utilizing the same or different radio technologies, or coverage areas belonging to the same or different access networks) may overlap.
The communication links in a wireless communication system may comprise an Uplink for carrying Uplink (UL) transmissions (e.g., from terminal 11 to network device 12) or a Downlink for carrying Downlink (DL) transmissions (e.g., from network device 12 to terminal 11). The UL transmission may also be referred to as reverse link transmission, while the DL transmission may also be referred to as forward link transmission.
An embodiment of the present invention provides a system information configuration method, which is applied to a communication device, where the communication device may be a terminal or a network device, as shown in fig. 2, and the method includes the following steps:
step 21: in case of scheduling the system information block by the active bandwidth part BWP, the system information block is transmitted according to the start position of the pre-coding resource block group PRG in the active BWP. Wherein the starting position of the PRG is related to at least one of a target control resource set CORESET and update indication information of the system information block, and the active BWP overlaps at least part of frequency domain resources of the initial BWP.
The active BWP is one of multiple BWPs supported by the network device and the terminal, and the initial BWP is a default BWP of the system, that is, the default BWP used when the terminal does not access the system. The at least partial frequency-domain resource overlap of the active BWP with the initial BWP means that the active BWP overlaps with the frequency-domain resource of the initial BWP. For example, as shown in fig. 3, the frequency-domain resources of the active BWP completely overlap with the frequency-domain resources of the initial BWP; alternatively, as shown in fig. 4, the start position of the frequency-domain resource of the active BWP is aligned with the start position of the frequency-domain resource of the initial BWP; or, the end position of the frequency-domain resource of the active BWP, not shown in the figure, is aligned with the end position of the frequency-domain resource of the initial BWP; alternatively, as shown in fig. 5, the frequency-domain resources of the active BWP contain the complete frequency-domain resources of the initial BWP. It is worth noting that the target CORESET may refer to a set of control resources where frequency domain resources overlap with frequency domain resources of the initial BWP.
The system information block referred to herein may refer to SIB1, and when the network device schedules SIB1 for the terminal by activating BWP, the network device may transmit SIB1 according to the starting position of PRG in the activated BWP. Accordingly, the terminal receives the SIB1 according to the starting position of the PRG in the active BWP. In the conventional technique, the starting position of the PRG in the active BWP is related to the component carrier CC where the active BWP is located, so that when there is an initial access of another terminal through the initial BWP that overlaps with the frequency domain of the active BWP, the starting position of the PRG in the initial BWP is related to the control resource set CORESET, so that on the same frequency domain resource, terminals in different states consider that the starting positions of the PRGs are different, and the result of dividing the PRGs may also be different. In order to avoid the above problem, the starting position of the PRG may be determined according to at least one of the target CORESET and the update indication information of the system information block, so as to avoid the interference problem that the network device configures the system information block for different terminals.
Embodiments of the present invention include, but are not limited to, the following ways of determining the starting position of the PRG:
mode one, the starting position of the PRG in the active BWP is related to the target CORESET.
In this way, when the current active BWP of the terminal overlaps with at least part of the frequency domain resources of the initial BWP, after the terminal receives the update indication information for updating the system information block, the terminal determines the starting position of the PRG in the active BWP according to the target CORESET, thereby determining the division result of the PRG in the active BWP, and receives the system information block sent by the network device according to the division result of the PRG.
Specifically, the starting position of the PRG is determined according to the minimum resource block index of the target CORESET. Wherein the minimum resource block index of the target CORESET is scheduled or indicated by a Physical Broadcast Channel (PBCH). The minimum resource block index of the target CORESET may be 0, then the starting position of the PRG in the active BWP may be determined from CORESET 0. As shown in fig. 3 to 5, the starting position of the PRG in the activated BWP may be the starting position of the CORESET0, wherein the target CORESET is all the control resource sets in the initial BWP, and the frequency domain starting point of the CORESET0 may be the same as the frequency domain starting point of the initial BWP.
That is to say, in the case that the frequency domain resources of the active BWP of the terminal overlap with the frequency domain resources of the initial BWP, if the network device indicates that the terminal needs to update the system information, after the terminal acquires the update indication information of the updated system information, it is assumed that the starting position of the PRG partition in the active BWP is the starting point of the CORESET 0.
Second, the starting position of the PRG in the active BWP is related to the update indication information of the target CORESET and the system information block.
In this manner, in scenario one, when at least part of the update indication information is configured on the target CORESET, the starting position of the PRG is determined according to the minimum resource block index of the target CORESET. Specifically, when the current active BWP of the terminal overlaps with at least part of the frequency domain resources of the initial BWP, if the terminal receives the update indication information indicating that at least part of the system information block is configured on the target CORESET, the terminal determines the start position of the PRG in the active BWP according to the target CORESET, thereby determining the division result of the PRG in the active BWP, and receives the system message block sent by the network device according to the division result of the PRG.
Specifically, in this scenario the starting position of the PRG is determined according to the smallest resource block index of the target CORESET, such as CORESET 0. As shown in fig. 3-5, the starting position of the PRG in the activated BWP may be the starting position of CORESET0, and the frequency domain starting point of CORESET0 may be the same as the frequency domain starting point of the initial BWP.
That is, in the case that the frequency domain resources of the active BWP of the terminal overlap with the frequency domain resources of the initial BWP, if the network device indicates that the terminal needs to update the system information, after the terminal acquires the update indication information of the updated system information, if the update indication information indicates that at least part of the system information block is configured on the target CORESET, the terminal assumes that the starting position of the PRG partition in the active BWP is the starting point of CORESET 0.
On the other hand, in this manner, in scenario two, when the update indication information is not configured on the target CORESET, the starting position of the PRG is determined according to the component carrier CC where the BWP is activated. Specifically, when the current active BWP of the terminal overlaps with at least part of the frequency domain resources of the initial BWP, if the terminal receives the update indication information indicating that the system information block is not configured on the target CORESET, the terminal determines the start position of the PRG in the active BWP according to the CC where the active BWP is located, thereby determining the partition result of the PRG in the active BWP, and receives the system message block sent by the network device according to the partition result of the PRG.
Specifically, in this scenario two, the starting position of the PRG is determined according to the minimum resource block index of the CC. As shown in fig. 6, when the activation BWP is BWP1, BWP2, BWP3 or BWP4, the starting position of PRG in the activation BWP may be CC 1.
That is to say, under the condition that the frequency domain resources of the active BWP of the terminal overlap with the frequency domain resources of the initial BWP, if the network device indicates that the terminal needs to update the system information, after the terminal acquires the update indication information of the updated system information, and if the update indication information indicates that the system information block is not configured on the target CORESET, the terminal assumes that the starting position of the PRG partition in the active BWP is the starting point of the CC where the active BWP is located.
The above has been briefly described with respect to the first and second ways to activate the starting position of PRG in BWP, respectively, and the following description of the embodiment will further describe the related indication information for updating the system information block.
In the embodiment of the present invention, the update indication information is carried in a Physical Downlink Control Channel (PDCCH), that is, the network device indicates, through the PDCCH, that the terminal needs to update the system information.
Further, the PRG in the BWP is a PRG for activating a Physical Downlink Shared Channel (PDSCH) on the BWP, and the PDSCH is scheduled by the PDCCH.
Taking the first method as an example, when the frequency domain resources of the active BWP of the terminal overlap with the frequency domain resources of the initial BWP, if the network device indicates that the terminal needs to update the system information through the PDCCH, after receiving the PDCCH, the terminal assumes that the starting point of PRG partition of the PDSCH carrying the system information block scheduled by the PDCCH starts from the minimum resource block index of CORESET indicated by the PBCH (that is, the starting point of CORESET0 starts).
Taking the second method as an example, when the frequency domain resources of the active BWP of the terminal overlap with the frequency domain resources of the initial BWP, if the network device indicates that the terminal needs to update the system information through the PDCCH, and after the terminal receives the PDCCH, if the PDCCH indicates that at least part of the system information block is configured on the target CORESET, the terminal assumes that the starting point of PRG division of the PDSCH carrying the system information block scheduled by the PDCCH starts from the minimum resource block index of the CORESET indicated by the PBCH (that is, the starting point of CORESET 0). If the PDCCH indicates that the system information block is not configured on the target CORESET, the terminal assumes that the starting point of PRG division of the PDSCH carrying the system information block scheduled by the PDCCH is from the minimum resource block index of the CC where the BWP is activated.
In the system transmission method according to the embodiment of the present invention, the network device or the terminal transmits the system information block according to the starting position of the PRG in the active BWP, where the starting position of the PRG is related to the target CORESET and the indication information of the system information block, so that different terminals using overlapping frequency domain resources can share the system information block.
The above embodiments respectively describe in detail the system information transmission methods in different scenarios, and the following embodiments further describe the corresponding communication devices with reference to the accompanying drawings.
As shown in fig. 7, the communication device 700 according to the embodiment of the present invention can implement the details of the method for transmitting the system information block according to the starting position of the PRG in the active BWP when the system information block is scheduled by the active bandwidth part BWP, where the starting position of the PRG is related to at least one of the target control resource set CORESET and the update indication information of the system information block, and the active BWP overlaps at least part of the frequency domain resources of the initial BWP, and achieves the same effect. The network device 700 specifically includes the following functional modules:
a transmission module 710, configured to transmit the system information block according to a starting position of a pre-coding resource block group PRG in the active bandwidth part BWP in case that the system information block is scheduled by the active bandwidth part BWP; wherein the starting position of the PRG is related to at least one of a target control resource set CORESET and update indication information of the system information block, and the active BWP overlaps at least part of frequency domain resources of the initial BWP.
Wherein, the starting position of the PRG is determined according to the minimum resource block index of the target CORESET.
When at least part of the updating indication information is configured on the target CORESET, the starting position of the PRG is determined according to the minimum resource block index of the target CORESET;
wherein, when the update indication information is not configured on the target CORESET, the starting position of the PRG is determined according to the component carrier CC where the active BWP is located.
Wherein, the starting position of the PRG is determined according to the smallest resource block index of the CC where the BWP is activated.
Wherein, the updating indication information is carried in the physical downlink control channel PDCCH.
The PRG is a PRG for activating a PDSCH (physical downlink shared channel) on the BWP, and the PDSCH is scheduled by the PDCCH.
The communication equipment is network equipment or a terminal.
It is noted that the communication device according to the embodiment of the present invention transmits the system information block according to the starting position of the PRG in the active BWP, the starting position of the PRG being related to the target CORESET and the indication information of the system information block, so that different terminals using overlapping frequency domain resources can share the system information block.
It should be noted that the division of the modules of the above communication device is only a logical division, and the actual implementation may be wholly or partially integrated into one physical entity, or may be physically separated. And these modules can be realized in the form of software called by processing element; or may be implemented entirely in hardware; and part of the modules can be realized in the form of calling software by the processing element, and part of the modules can be realized in the form of hardware. For example, the determining module may be a processing element separately set up, or may be implemented by being integrated in a chip of the apparatus, or may be stored in a memory of the apparatus in the form of program code, and the function of the determining module is called and executed by a processing element of the apparatus. Other modules are implemented similarly. In addition, all or part of the modules can be integrated together or can be independently realized. The processing element described herein may be an integrated circuit having signal processing capabilities. In implementation, each step of the above method or each module above may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in the form of software.
For example, the above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), etc. For another example, when some of the above modules are implemented in the form of a processing element scheduler code, the processing element may be a general purpose processor, such as a Central Processing Unit (CPU) or other processor that can invoke the program code. As another example, these modules may be integrated together, implemented in the form of a system-on-a-chip (SOC).
In order to better achieve the above object, an embodiment of the present invention further provides a network device, which includes a processor, a memory, and a computer program stored in the memory and running on the processor, and when the processor executes the computer program, the steps in the system information transmission method described above are implemented. Embodiments of the present invention also provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the system information transmission method described above.
Specifically, the embodiment of the invention also provides a network device. As shown in fig. 8, the network device 800 includes: antenna 81, radio frequency device 82, baseband device 83. The antenna 81 is connected to a radio frequency device 82. In the uplink direction, the rf device 82 receives information via the antenna 81 and sends the received information to the baseband device 83 for processing. In the downlink direction, the baseband device 83 processes information to be transmitted and transmits the information to the rf device 82, and the rf device 82 processes the received information and transmits the processed information through the antenna 81.
The above-mentioned band processing means may be located in the baseband means 83, and the method performed by the network device in the above embodiment may be implemented in the baseband means 83, where the baseband means 83 includes a processor 84 and a memory 85.
The baseband device 83 may include, for example, at least one baseband board, on which a plurality of chips are disposed, as shown in fig. 8, wherein one chip, for example, the processor 84, is connected to the memory 85 to call up the program in the memory 85 to perform the network device operation shown in the above method embodiment.
The baseband device 83 may also include a network interface 86, such as a Common Public Radio Interface (CPRI), for exchanging information with the rf device 82.
The processor may be a single processor or a combination of multiple processing elements, for example, the processor may be a CPU, an ASIC, or one or more integrated circuits configured to implement the methods performed by the network devices, for example: one or more microprocessors DSP, or one or more field programmable gate arrays FPGA, or the like. The storage element may be a memory or a combination of a plurality of storage elements.
The memory 85 may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (ddr Data Rate SDRAM, ddr SDRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchlink DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 85 described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
Specifically, the network device of the embodiment of the present invention further includes: a computer program stored in the memory 85 and operable on the processor 84, the processor 84 calling the computer program in the memory 85 to execute the method performed by the modules shown in fig. 3.
In particular, the computer program when invoked by the processor 84 is operable to perform: transmitting a system information block according to a start position of a pre-coding resource block group PRG in an active bandwidth part BWP in case of scheduling the system information block by the active BWP; wherein the starting position of the PRG is related to at least one of a target control resource set CORESET and update indication information of the system information block, and the active BWP overlaps at least part of frequency domain resources of the initial BWP.
The network device in the embodiment of the present invention may configure the same system information block for different terminals using resources in overlapping frequency domains with the initial BWP, so that different terminals share the system information.
To better achieve the above object, further, fig. 9 is a schematic diagram of a hardware structure of a terminal implementing various embodiments of the present invention, where the terminal 90 includes, but is not limited to: radio frequency unit 91, network module 92, audio output unit 93, input unit 94, sensor 95, display unit 96, user input unit 97, interface unit 98, memory 99, processor 910, and power supply 911. Those skilled in the art will appreciate that the terminal configuration shown in fig. 9 is not intended to be limiting, and that the terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
The radio frequency unit 91 is configured to receive and transmit data under the control of the processor 910, and is specifically configured to: transmitting a system information block according to a start position of a pre-coding resource block group PRG in an active bandwidth part BWP in case of scheduling the system information block by the active BWP; wherein the starting position of the PRG is related to at least one of a target control resource set CORESET and update indication information of the system information block, and the active BWP overlaps at least part of frequency domain resources of the initial BWP.
The terminal of the embodiment of the invention receives the system information block according to the starting position of the PRG in the active BWP, wherein the starting position of the PRG is related to the target CORESET and the indication information of the system information block, thus avoiding the interference with the system information of other terminals and sharing the system information with other terminals.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 91 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 910; in addition, the uplink data is transmitted to the base station. Typically, the radio frequency unit 91 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. Further, the radio frequency unit 91 may also communicate with a network and other devices through a wireless communication system.
The terminal provides wireless broadband internet access to the user via the network module 92, such as assisting the user in sending and receiving e-mails, browsing web pages, and accessing streaming media.
The audio output unit 93 may convert audio data received by the radio frequency unit 91 or the network module 92 or stored in the memory 99 into an audio signal and output as sound. Also, the audio output unit 93 may also provide audio output related to a specific function performed by the terminal 90 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 93 includes a speaker, a buzzer, a receiver, and the like.
The input unit 94 is for receiving an audio or video signal. The input Unit 94 may include a Graphics Processing Unit (GPU) 941 and a microphone 942, and the Graphics processor 941 processes image data of still pictures or video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 96. The image frames processed by the graphic processor 941 may be stored in the memory 99 (or other storage medium) or transmitted via the radio frequency unit 91 or the network module 92. The microphone 942 may receive sound and may be capable of processing such sound into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 91 in case of the phone call mode.
The terminal 90 also includes at least one sensor 95, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the brightness of the display panel 961 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 961 and/or a backlight when the terminal 90 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the terminal posture (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration identification related functions (such as pedometer, tapping), and the like; the sensors 95 may also include a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, etc., which are not described in detail herein.
The display unit 96 is used to display information input by the user or information provided to the user. The Display unit 96 may include a Display panel 961, and the Display panel 961 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 97 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 97 includes a touch panel 971 and other input devices 972. Touch panel 971, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 971 (e.g., operations by a user on or near touch panel 971 using a finger, a stylus, or any other suitable object or attachment). The touch panel 971 may include two portions of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 910, receives a command from the processor 910, and executes the command. In addition, the touch panel 971 may be implemented by various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 971, the user input unit 97 may include other input devices 972. In particular, other input devices 972 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.
Further, the touch panel 971 may be overlaid on the display panel 961, and when the touch panel 971 detects a touch operation on or near the touch panel 971, the touch operation is transmitted to the processor 910 to determine the type of the touch event, and then the processor 910 provides a corresponding visual output on the display panel 961 according to the type of the touch event. Although the touch panel 971 and the display panel 961 are shown in fig. 9 as two independent components to implement the input and output functions of the terminal, in some embodiments, the touch panel 971 and the display panel 961 may be integrated to implement the input and output functions of the terminal, and is not limited herein.
The interface unit 98 is an interface for connecting an external device to the terminal 90. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 98 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal 90 or may be used to transmit data between the terminal 90 and an external device.
The memory 99 may be used to store software programs as well as various data. The memory 99 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 99 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 910 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, and performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 99 and calling data stored in the memory 99, thereby integrally monitoring the terminal. Processor 910 may include one or more processing units; preferably, the processor 910 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It is to be appreciated that the modem processor described above may not be integrated into processor 910.
The terminal 90 may further include a power supply 911 (e.g., a battery) for supplying power to various components, and preferably, the power supply 911 may be logically connected to the processor 910 through a power management system, so as to manage charging, discharging, and power consumption through the power management system.
In addition, the terminal 90 includes some functional modules that are not shown, and are not described in detail herein.
Preferably, an embodiment of the present invention further provides a terminal, which includes a processor 910, a memory 99, and a computer program stored in the memory 99 and capable of running on the processor 910, where the computer program, when executed by the processor 910, implements each process of the above system information transmission method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again. A terminal may be a wireless terminal or a wired terminal, and a wireless terminal may be a device providing voice and/or other service data connectivity to a user, a handheld device having a wireless connection function, or other processing devices connected to a wireless modem. Wireless terminals, which may be mobile terminals such as mobile telephones (or "cellular" telephones) and computers having mobile terminals, such as portable, pocket, hand-held, computer-included, or vehicle-mounted mobile devices, may communicate with one or more core networks via a Radio Access Network (RAN), which may exchange language and/or data with the RAN. For example, Personal Communication Service (PCS) phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), and the like. A wireless Terminal may also be referred to as a system, a Subscriber Unit (Subscriber Unit), a Subscriber Station (Subscriber Station), a Mobile Station (Mobile), a Remote Station (Remote Station), a Remote Terminal (Remote Terminal), an Access Terminal (Access Terminal), a User Terminal (User Terminal), a User Agent (User Agent), and a User Device or User Equipment (User Equipment), which are not limited herein.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the above-mentioned system information transmission method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
Furthermore, it is to be noted that in the device and method of the invention, it is obvious that the individual components or steps can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of performing the series of processes described above may naturally be performed chronologically in the order described, but need not necessarily be performed chronologically, and some steps may be performed in parallel or independently of each other. It will be understood by those skilled in the art that all or any of the steps or elements of the method and apparatus of the present invention may be implemented in any computing device (including processors, storage media, etc.) or network of computing devices, in hardware, firmware, software, or any combination thereof, which can be implemented by those skilled in the art using their basic programming skills after reading the description of the present invention.
Thus, the objects of the invention may also be achieved by running a program or a set of programs on any computing device. The computing device may be a general purpose device as is well known. The object of the invention is thus also achieved solely by providing a program product comprising program code for implementing the method or the apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is to be understood that the storage medium may be any known storage medium or any storage medium developed in the future. It is further noted that in the apparatus and method of the present invention, it is apparent that each component or step can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of executing the series of processes described above may naturally be executed chronologically in the order described, but need not necessarily be executed chronologically. Some steps may be performed in parallel or independently of each other.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.
Claims (19)
1. A system information transmission method is applied to communication equipment and is characterized by comprising the following steps:
in case of scheduling a system information block by an active bandwidth part BWP, transmitting the system information block according to a starting position of a pre-coded resource block group PRG in the active BWP; wherein a starting position of the PRG is related to at least one of a target control resource set CORESET and update indication information of the system information block, and the active BWP overlaps at least a portion of frequency domain resources of an initial BWP.
2. The method for transmitting system information according to claim 1, wherein the starting position of the PRG is determined according to a minimum resource block index of the target CORESET.
3. The method for transmitting system information according to claim 1, wherein when at least part of the update indication information is configured on the target CORESET, the starting position of the PRG is determined according to a minimum resource block index of the target CORESET.
4. The method according to claim 3, wherein when the update indication information is not configured on the target CORESET, the starting position of the PRG is determined according to a component carrier CC on which the active BWP is located.
5. The method of claim 4, wherein the starting position of the PRG is determined according to a minimum resource block index of a CC where the active BWP is located.
6. The method according to any one of claims 1 to 5, wherein the update indication information is carried in a Physical Downlink Control Channel (PDCCH).
7. The method according to claim 6, wherein the PRG is a PRG of the PDSCH (physical downlink shared channel) on the active BWP, and the PDSCH is scheduled by the PDCCH.
8. The system information transmission method according to claim 1, wherein the communication device is a network device or a terminal.
9. A communication device, comprising:
a transmission module, configured to transmit a system information block according to a starting position of a pre-coding resource block group PRG in an active bandwidth part BWP, in case the system information block is scheduled by the active BWP; wherein a starting position of the PRG is related to at least one of a target control resource set CORESET and update indication information of the system information block, and the active BWP overlaps at least a portion of frequency domain resources of an initial BWP.
10. The communications device of claim 9, wherein the starting location of the PRG is determined according to a minimum resource block index of the target CORESET.
11. The communication device according to claim 9, wherein when at least part of the update indication information is configured on the target CORESET, the starting position of the PRG is determined according to a minimum resource block index of the target CORESET.
12. The communication device according to claim 11, wherein when the update indication information is not configured on the target CORESET, the starting position of the PRG is determined according to a component carrier CC on which the active BWP is located.
13. The communications device of claim 12, wherein the starting position of the PRG is determined according to a minimum resource block index of a CC in which the active BWP is located.
14. The communications device according to any one of claims 9 to 13, wherein the update indication information is carried in a physical downlink control channel, PDCCH.
15. The communications device of claim 14, wherein the PRG is a PRG of the PDSCH of the active BWP uplink physical downlink shared channel, the PDSCH being scheduled by the PDCCH.
16. The communication device of claim 9, wherein the communication device is a network device or a terminal.
17. A network device comprising a processor, a memory, and a computer program stored on the memory and running on the processor, the processor implementing the steps of the system information transmission method according to any one of claims 1 to 7 when executing the computer program.
18. A terminal, characterized in that the terminal comprises a processor, a memory and a computer program stored on the memory and running on the processor, which computer program, when executed by the processor, carries out the steps of the system information transmission method according to any one of claims 1 to 7.
19. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, carries out the steps of the system information transmission method according to any one of claims 1 to 8.
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