WO2020135868A1 - 信号的处理方法及装置 - Google Patents
信号的处理方法及装置 Download PDFInfo
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- WO2020135868A1 WO2020135868A1 PCT/CN2019/129894 CN2019129894W WO2020135868A1 WO 2020135868 A1 WO2020135868 A1 WO 2020135868A1 CN 2019129894 W CN2019129894 W CN 2019129894W WO 2020135868 A1 WO2020135868 A1 WO 2020135868A1
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- cell
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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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
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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
Definitions
- This disclosure relates to, but is not limited to, the field of communications.
- the physical uplink shared channel (Physical Uplink Shared Channel, referred to as PUSCH) has two transmission methods: a codebook-based transmission scheme and a non-codebook-based transmission scheme.
- a codebook-based transmission scheme the base station informs the UE of the codebook to be used for sending the PUSCH by using Downlink Control Information (DCI).
- DCI Downlink Control Information
- the base station side measures the channel sounding reference signal (Sounding Reference Signal) sent by the UE. , Referred to as SRS), select a codebook suitable for the UE to send PUSCH.
- SRS channel sounding Reference Signal
- Embodiments of the present disclosure provide a signal processing method and device to at least solve the problems of low throughput and poor reception performance when the UE is at the edge of a cell in the related art.
- a signal processing method which includes: a home cell of a user equipment (UE) and a cooperating cell of the UE jointly measure a channel measurement reference signal SRS sent by the UE; according to the measurement result, the home The cell and the coordinated cell jointly calculate the codebook, and the home cell schedules the UE to use the codebook to send the physical uplink shared channel PUSCH; and according to the codebook, the home cell and the coordinated cell jointly receive the PUSCH sent by the UE.
- UE user equipment
- SRS channel measurement reference signal
- a signal transmission method including: a user equipment (UE) sends a channel measurement reference signal SRS to a UE's home cell, where the SRS is shared by the home cell and the UE's coordinated cell Measurement; the UE receives the codebook sent by the home cell, where the codebook is jointly calculated by the home cell and the coordinated cell based on the measurement results obtained by the common measurement; and the UE sends physical uplink sharing to the home cell and the coordinated cell according to the codebook Channel PUSCH.
- UE user equipment
- a signal processing apparatus including: a first measurement module and a second measurement module for measuring a channel measurement reference signal SRS sent by a user equipment (UE); a first calculation module And a second calculation module for jointly calculating the codebook, wherein the first calculation module is also used to schedule the UE to use the codebook for transmission; and the first receiving module and the second receiving module are used to jointly receive the codebook according to the codebook.
- a signal transmission apparatus which is located in a user equipment (UE) and includes: a third receiving module that receives a codebook sent by a home cell, where the codebook is a home cell and a collaboration Obtained by joint cell calculation; and a sending module, used to send a physical uplink shared channel PUSCH to the home cell and the coordinated cell according to the codebook.
- UE user equipment
- a storage medium is provided, and a computer program is stored in the storage medium, wherein when the computer program is executed by a processor, the processor is caused to perform the steps in any one of the foregoing method embodiments.
- an electronic device including a memory and a processor, a computer program is stored in the memory, and when the processor runs the computer program, the steps in any one of the foregoing method embodiments are performed.
- FIG. 1 is a block diagram of a hardware structure of a mobile terminal that performs a signal processing method according to an embodiment of the present disclosure
- FIG. 2 is a flowchart of a signal processing method according to an embodiment of the present disclosure
- FIG. 5 is a structural block diagram of a signal processing apparatus according to an embodiment of the present disclosure.
- FIG. 6 is a structural block diagram of a signal transmission device according to an embodiment of the present disclosure.
- FIG. 1 is a block diagram of a hardware structure of a mobile terminal that performs a signal processing method according to an embodiment of the present disclosure.
- the mobile terminal 10 may include one or more (only one is shown in FIG. 1) processor 102 and a memory 104 for storing data.
- the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA.
- the above mobile terminal may further include a transmission device 106 for communication functions and an input output device 108.
- FIG. 1 is merely an illustration, which does not limit the structure of the mobile terminal.
- the mobile terminal 10 may further include more or fewer components than those shown in FIG. 1, or have a different configuration from that shown in FIG.
- the memory 104 may be used to store computer programs, for example, software programs and modules of application software, and computer programs corresponding to signal processing methods according to the embodiments of the present disclosure.
- the processor 102 executes various functional applications and data processing by running a computer program stored in the memory 104, that is, implementing the above method.
- the memory 104 may include a high-speed random access memory, and may also include a non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory.
- the memory 104 may further include memories remotely provided with respect to the processor 102, and these remote memories may be connected to the mobile terminal 10 through a network. Examples of networks include but are not limited to the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
- the transmission device 106 is used to receive or transmit data via the network.
- Examples of the network may include a wireless network provided by a communication provider of the mobile terminal 10.
- the transmission device 106 includes a network adapter (Network Interface Controller, referred to as NIC for short), which can be connected to other network devices through the base station to communicate with the Internet.
- the transmission device 106 may be a radio frequency (Radio Frequency, RF for short) module, which is used to communicate with the Internet in a wireless manner.
- RF Radio Frequency
- An embodiment according to the present disclosure provides a signal processing method that runs on a mobile terminal or a network architecture.
- 2 is a flowchart of a signal processing method according to an embodiment of the present disclosure. As shown in FIG. 2, the flow of the processing method includes steps S202 to S206.
- step S202 the home cell of the user equipment (UE) and the coordinated cell of the UE jointly measure the channel measurement reference signal SRS sent by the UE.
- step S204 according to the measurement result, the home cell and the coordinated cell jointly calculate the codebook, and the home cell schedules the UE to use the codebook to send the physical uplink shared channel PUSCH.
- step S206 according to the codebook, the home cell and the coordinated cell jointly receive the PUSCH sent by the UE.
- the coordinated cell of the UE is determined at least in the following manner: the home cell determines one or more coordinated cells according to signals received from the UE by the one or more candidate coordinated cells.
- the step of the home cell determining one or more coordinated cells according to the signals received by the one or more candidate coordinated cells from the UE may include: the home cell determines the signal strength corresponding to the signals received by the one or more candidate coordinated cells from the UE Whether it is greater than a preset threshold; the home cell selects one or more candidate cells whose signal strength is greater than the preset threshold as a coordinated cell.
- candidate coordinated cells include but are not limited to: neighboring cells of the home cell or other cells capable of signal transmission with the current UE.
- the signal received by the home cell from the UE may be an SRS signal or other signals.
- the purpose of receiving signals from the UE is to realize normal communication between the coordinated cell and the UE. Therefore, the signal received from the UE may be the same as or different from the SRS signal used when measuring the codebook.
- the number of coordinated cells may be selected according to the strength of the signal received from the UE measured by the coordinated cell, or other selection methods may be used.
- a candidate coordinated cell that satisfies a preset intensity threshold may be selected from the plurality of candidate coordinated cells with the highest signal strength.
- the candidate cooperative cell serves as the current cooperative cell.
- one or more candidate coordinated cells with an intensity greater than the preset intensity threshold may be used.
- FIG. 3 is a flowchart based on scenario 1 according to an embodiment of the present disclosure.
- step S1 the home cell determines the candidate coordinated cell of the UE according to the uplink SRS received power of the UE, and selects the cell that receives the UE's uplink SRS received power as the coordinated cell of the UE.
- step S2 the UE transmits SRS for codebook measurement.
- step S3 the home cell and the cooperative cell jointly measure the SRS of the UE, and jointly calculate a codebook suitable for the PUSCH transmission of the UE.
- step S4 the home cell schedules the UE, and indicates the codebook to be used by the UE in the DCI, which is the codebook jointly calculated by the home cell and the coordinated cell in step S3.
- step S5 the UE transmits the PUSCH using the codebook indicated by the DCI in step S4.
- step S6 the home cell and the coordinated cell jointly receive the PUSCH of the UE based on the jointly calculated codebook.
- FIG. 4 is a flowchart based on scenario 2 according to an embodiment of the present disclosure.
- step S1 the home cell determines multiple candidate coordinated cells of the UE based on the uplink SRS received power of the UE, and selects multiple candidate coordinated cells that receive the UE's uplink SRS received power greater than a preset threshold as the UE's coordinated cell.
- step S2 the UE transmits SRS for codebook measurement.
- step S3 the home cell and the cooperative cell jointly measure the SRS of the UE, and jointly calculate a codebook suitable for the PUSCH transmission of the UE.
- step S4 the home cell schedules the UE, and indicates the codebook to be used by the UE in the DCI, which is the codebook jointly calculated by the home cell and the coordinated cell in step S3.
- step S5 the UE transmits the PUSCH using the codebook indicated by the DCI in step S4.
- step S6 the home cell and the coordinated cell jointly receive the PUSCH of the UE based on the jointly calculated codebook.
- the method according to the embodiments of the present disclosure can be implemented by means of software and a necessary general hardware platform, and of course, can also be implemented by hardware.
- the technical solution according to the present disclosure can be essentially embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, or optical disk), and includes several instructions to make the terminal device (It may be a mobile phone, a computer, a server, a network device, etc.) to execute the method according to the embodiments of the present disclosure.
- the embodiments according to the present disclosure also provide a signal processing device, which is used to implement the above-mentioned embodiments and preferred implementation modes, and those that have already been described will not be repeated.
- the term "module” may implement a combination of software and/or hardware that performs predetermined functions.
- the devices described in the following embodiments are implemented in software, implementation of hardware or a combination of software and hardware is also possible and conceived.
- FIG. 5 is a structural block diagram of a signal processing apparatus according to an embodiment of the present disclosure.
- the apparatus includes: a first measurement module 51 and a second measurement module 52 for measuring a channel measurement reference signal SRS sent by a user equipment (UE); a first calculation module 53 and a second calculation module 54 for For joint calculation of the codebook, the first calculation module 53 is also used to schedule the UE to use the corresponding codebook for transmission; and the first receiving module 55 and the second receiving module 56 are used to jointly receive the data sent by the UE according to the codebook Physical uplink shared channel PUSCH, where the first measurement module 51, the first calculation module 53, and the first receiving module 55 are located in the home cell of the UE, and the second measurement module 52, the second calculation module 54, and the second receiving module 56 are located in the UE Co-operative community.
- the apparatus further includes: a determining module, located in the home cell, configured to determine one or more coordinated cells based on signals received from the UE by the one or more candidate coordinated cells.
- a determining module located in the home cell, configured to determine one or more coordinated cells based on signals received from the UE by the one or more candidate coordinated cells.
- the determination module includes: a judgment unit for judging whether the signal strength of the signal received from the UE by one or more candidate coordinated cells is greater than a preset threshold; a selection unit used by the home cell to select a signal strength greater than the preset One or more candidate cells of the threshold are used as cooperative cells.
- the above modules can be implemented by software or hardware. For the latter, they can be implemented in the following ways, but not limited to this: the above modules are all located in the same processor; or, the above modules can be combined in any combination The forms are located in different processors.
- the embodiments according to the present disclosure also provide a signal processing device, which is used to implement the above-mentioned embodiments and preferred implementation modes, and those that have already been described will not be repeated.
- FIG. 6 is a structural block diagram of a signal transmission device according to an embodiment of the present disclosure. As shown in FIG. 6, the device includes a third receiving module 62 and a sending module 64.
- the third receiving module 62 receives the codebook sent by the home cell, where the codebook is a codebook jointly calculated by the home cell and the coordinated cell.
- the sending module 64 is configured to send the uplink shared channel PUSCH to the home cell and the coordinated cell according to the codebook.
- the above modules can be implemented by software or hardware. For the latter, they can be implemented in the following ways, but not limited to this: the above modules are all located in the same processor; or, the above modules can be combined in any combination The forms are located in different processors.
- An embodiment according to the present disclosure also provides a storage medium in which a computer program is stored, wherein when the computer program is executed by a processor, the processor is caused to perform the steps in any one of the foregoing method embodiments.
- the storage medium may be set to store a computer program for performing the following steps: S1, the home cell of the user equipment (UE) and the coordinated cell of the UE jointly measure the channel measurement reference sent by the UE Signals SRS; S2, according to the measurement results, the home cell and the coordinated cell jointly calculate the codebook and the home cell schedules the UE to use the codebook to send the physical uplink shared channel PUSCH; S3, according to the codebook, the home cell and the coordinated cell jointly receive the UE PUSCH.
- S1 the home cell of the user equipment (UE) and the coordinated cell of the UE jointly measure the channel measurement reference sent by the UE Signals SRS
- S2 according to the measurement results, the home cell and the coordinated cell jointly calculate the codebook and the home cell schedules the UE to use the codebook to send the physical uplink shared channel PUSCH
- S3, according to the codebook the home cell and the coordinated cell jointly receive the UE PUSCH.
- the storage medium may include, but is not limited to: a U disk, a read-only memory (Read-Only Memory, ROM for short), a random access memory (Random Access Memory, RAM for short), Various media that can store computer programs, such as removable hard disks, magnetic disks, or optical disks.
- ROM read-only memory
- RAM Random Access Memory
- An embodiment according to the present disclosure also provides an electronic device, including a memory and a processor.
- a computer program is stored in the memory.
- the processor runs the computer program, the steps in any of the foregoing method embodiments are performed.
- the electronic device may further include a transmission device and an input-output device, wherein the transmission device is connected to the processor, and the input-output device is connected to the processor.
- the processor may be configured to perform the following steps through a computer program: S1, the home cell of the user equipment (UE) and the coordinated cell of the UE jointly measure the channel measurement reference signal SRS sent by the UE; S2, according to the measurement result, the home cell and the coordinated cell jointly calculate the codebook and the home cell schedules the UE to use the codebook to send the physical uplink shared channel PUSCH; S3, according to the codebook, the home cell and the coordinated cell jointly receive the PUSCH sent by the UE.
- S1 the home cell of the user equipment (UE) and the coordinated cell of the UE jointly measure the channel measurement reference signal SRS sent by the UE
- S2 according to the measurement result, the home cell and the coordinated cell jointly calculate the codebook and the home cell schedules the UE to use the codebook to send the physical uplink shared channel PUSCH
- S3, according to the codebook, the home cell and the coordinated cell jointly receive the PUSCH sent by the UE.
- the home cell and the cooperating cell selected by the home cell jointly measure the SRS signal of the UE, provide the UE with a codebook, and then jointly receive the PUSCH returned by the UE according to the codebook. Therefore, it can solve the problem that when the UE is at the edge of the cell in the related art, the throughput is relatively low and the reception performance will be poor, and the effect of the joint reception of the edge UE can be maximized.
- modules or steps of the present disclosure can be implemented by a general-purpose computing device, they can be concentrated on a single computing device, or distributed in a network composed of multiple computing devices on. Alternatively, they can be implemented with program code executable by the computing device, so that they can be stored in the storage device and executed by the computing device. And in some cases, the steps shown or described may be performed in an order different from that described herein. They can be made into individual integrated circuit modules, or multiple modules or steps in them can be made into a single integrated circuit module. In this way, the present disclosure is not limited to any specific combination of hardware and software.
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Claims (12)
- 一种信号的处理方法,包括:由用户设备UE的归属小区和所述UE的协同小区共同测量所述UE发送的信道测量参考信号SRS;根据测量结果,由所述归属小区和所述协同小区联合计算码本,并由所述归属小区调度所述UE采用所述码本发送物理上行共享信道PUSCH;以及根据所述码本,由所述归属小区和所述协同小区联合接收所述UE发送的所述PUSCH。
- 根据权利要求1所述的方法,其中,所述UE的所述协同小区至少通过以下方式确定:由所述归属小区根据一个或者多个候选协同小区从所述UE接收的信号确定一个或者多个协同小区。
- 根据权利要求2所述的方法,其中,所述归属小区根据所述一个或者多个候选协同小区从所述UE接收的信号确定所述一个或者多个协同小区的步骤包括:由所述归属小区判断与所述一个或者多个候选协同小区从所述UE接收的信号对应的信号强度是否大于预设阈值;以及由所述归属小区选择信号强度大于所述预设阈值的一个或者多个候选小区作为所述一个或者多个协同小区。
- 一种信号的发送方法,包括:由用户设备UE向所述UE的归属小区发送信道测量参考信号SRS,其中,所述SRS由所述归属小区和所述UE的协同小区共同测量;由所述UE接收由所述归属小区发送的码本,其中,所述码本为所述归属小区与所述协同小区根据共同测量得到的测量结果联合计算得到的;以及由所述UE根据所述码本向所述归属小区和所述协同小区发送物理上行共享信道PUSCH。
- 一种信号的处理装置,包括:第一测量模块和第二测量模块,用于测量用户设备UE发送的信道测量参考信号SRS;以及第一计算模块和第二计算模块,用于联合计算码本,其中,所述第一计算模块还用于调度所述UE采用所述码本进行发送;第一接收模块和第二接收模块,用于根据所述码本,联合接收由所述UE发送的物理上行共享信道PUSCH,其中,所述第一测量模块、所述第一计算模块、所述第一接收模块位于所述UE的归属小区,所述第二测量模块、所述第二计算模块、所述第二接收模块位于所述UE的协同小区。
- 根据权利要求6所述的装置,还包括:确定模块,位于所述归属小区中,用于根据一个或者多个候选协同小区从所述UE接收的信号中确定一个或者多个协同小区。
- 根据权利要求7所述的装置,其中,所述确定模块包括:判断单元,用于判断由所述一个或者多个候选协同小区从所述UE接收的信号的信号强度是否大于预设阈值;以及选择单元,由所述归属小区使用以选择信号强度大于所述预设阈值的一个或者多个所述候选小区作为所述协同小区。
- 一种信号的发送装置,其位于用户设备UE中,包括:第三接收模块,接收归属小区发送的码本,其中,所述码本为所述归属小区与协同小区联合计算得到的;以及发送模块,用于根据所述码本向所述归属小区和所述协同小区发送物理上行共享信道PUSCH。
- 一种存储介质,所述存储介质中存储有计算机程序,其中,所述计算机程序被处理器运行时,使得所述处理器执行权利要求1至3中的任一项所述的方法。
- 一种存储介质,所述存储介质中存储有计算机程序,其中,所述计算机程序被处理器运行时,使得所述处理器执行权利要求4所述的方法。
- 一种电子装置,包括存储器和处理器,所述存储器中存储有计算机程序,所述处理器运行所述计算机程序时,执行权利要求1至3中的任一项所述的方法。
- 一种电子装置,包括存储器和处理器,所述存储器中存储有计算机程序,所述处理器运行所述计算机程序时,执行权利要求4所述的方法。
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