WO2024031570A1 - Csi-rs资源的配置方法、装置、设备及介质 - Google Patents

Csi-rs资源的配置方法、装置、设备及介质 Download PDF

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Publication number
WO2024031570A1
WO2024031570A1 PCT/CN2022/111908 CN2022111908W WO2024031570A1 WO 2024031570 A1 WO2024031570 A1 WO 2024031570A1 CN 2022111908 W CN2022111908 W CN 2022111908W WO 2024031570 A1 WO2024031570 A1 WO 2024031570A1
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Prior art keywords
information
port
indicate
csi
port groups
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PCT/CN2022/111908
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English (en)
French (fr)
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李明菊
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北京小米移动软件有限公司
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Priority to CN202280003119.7A priority Critical patent/CN115486022A/zh
Priority to PCT/CN2022/111908 priority patent/WO2024031570A1/zh
Publication of WO2024031570A1 publication Critical patent/WO2024031570A1/zh

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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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • 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

  • the present application relates to the field of communication technology, and in particular to a configuration method, device, equipment and medium for Channel State Information Reference Signal (Channel State Information-Reference Signal, CSI-RS) resources.
  • CSI-RS Channel State Information-Reference Signal
  • CJT Coherent Joint Transmission
  • M-TRP Multi Transmission Reception Point
  • TRP Transmission Reception Point
  • CSI measurement resources include channel measurement resources (Channel Measurement Resource, CMR) and interference measurement resources (Interference Measurement Resource, IMR).
  • the transmission mode is switched between Single Transmission Reception Point (S-TRP) and M-TRP.
  • S-TRP Single Transmission Reception Point
  • M-TRP M-TRP.
  • Embodiments of the present application provide a CSI-RS resource configuration method, device, equipment and medium, which can configure the number of port groups corresponding to CSI-RS resources when performing S-TRP or M-TRP transmission.
  • Each TRP corresponds to a port group, thereby reducing signaling overhead while indicating the number of TRPs used for transmission and improving the performance of TRP-based transmission.
  • the technical solution is as follows:
  • a method for configuring CSI-RS resources is provided.
  • the method is executed by a terminal.
  • the method includes:
  • Receive first information where the first information is used to indicate the number N of port groups corresponding to one CSI-RS resource.
  • a method for configuring CSI-RS resources is provided.
  • the method is executed by an access network device.
  • the method includes:
  • Send first information where the first information is used to indicate the number N of port groups corresponding to one CSI-RS resource.
  • a device for configuring CSI-RS resources includes:
  • the first receiving module is configured to receive first information, where the first information is used to indicate the number N of port groups corresponding to one CSI-RS resource.
  • a device for configuring CSI-RS resources includes:
  • the first sending module is configured to send first information, where the first information is used to indicate the number N of port groups corresponding to one CSI-RS resource.
  • a terminal which includes:
  • transceiver coupled to the processor
  • Memory used to store instructions executable by the processor
  • the processor is configured to load and execute executable instructions so that the terminal implements any of the above-mentioned CSI-RS resource configuration methods.
  • an access network device includes:
  • transceiver coupled to the processor
  • Memory used to store instructions executable by the processor
  • the processor is configured to load and execute executable instructions so that the access network device implements any of the above-mentioned CSI-RS resource configuration methods.
  • a chip is provided, and a communication device equipped with the chip is used to implement any of the above CSI-RS resource configuration methods.
  • a computer-readable storage medium stores at least one instruction, at least a program, a code set or an instruction set.
  • the at least one instruction, the at least A program, the code set or the instruction set is loaded and executed by the processor so that the communication device implements the above-mentioned CSI-RS resource configuration method.
  • This solution can indicate the number of port groups corresponding to a CSI-RS resource through the first information during the TRP transmission process.
  • Each TRP or TRP group corresponds to a port group, thereby realizing TRP and/or TRP under different numbers.
  • the TRP group performs CSI measurement configuration to improve TRP-based transmission performance while reducing signaling overhead.
  • Figure 1 is a schematic diagram of a communication system provided according to an exemplary embodiment
  • Figure 2 is a flow chart of a CSI-RS resource configuration method provided according to an exemplary embodiment
  • Figure 3 is a flow chart of a CSI-RS resource configuration method provided according to an exemplary embodiment
  • Figure 4 is a flow chart of a CSI-RS resource configuration method according to an exemplary embodiment
  • Figure 5 is a flow chart of a CSI-RS resource configuration method according to an exemplary embodiment
  • Figure 6 is a flow chart of a CSI-RS resource configuration method provided according to an exemplary embodiment
  • Figure 7 is a block diagram of a device for configuring CSI-RS resources according to an exemplary embodiment
  • Figure 8 is a block diagram of a device for configuring CSI-RS resources according to an exemplary embodiment
  • Figure 9 is a schematic structural diagram of a terminal according to an exemplary embodiment
  • Figure 10 is a schematic structural diagram of a network device according to an exemplary embodiment.
  • Figure 1 shows a schematic diagram of a communication system provided by an embodiment of the present application.
  • the communication system may include: a terminal 10 and an access network device 20.
  • the number of terminals 10 is usually multiple, and one or more terminals 10 may be distributed in the cell managed by each access network device 20 .
  • the terminal 10 may include various handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems with wireless communication functions, as well as various forms of user equipment (User Equipment, UE), mobile stations ( Mobile Station, MS) and so on.
  • UE User Equipment
  • MS Mobile Station
  • the access network device 20 is a device deployed in the access network to provide wireless communication functions for the terminal 10 .
  • the access network equipment 20 may include various forms of macro base stations, micro base stations, relay stations, and access points.
  • the names of devices with access network device functions may be different. For example, in 5G NR systems, they are called gNodeB or gNB.
  • the name "access network equipment" may change.
  • a connection can be established between the access network device 20 and the terminal 10 through an air interface, so that communication, including signaling and data interaction, can be performed through the connection.
  • the number of access network devices 20 may be multiple, and communication between two adjacent access network devices 20 may also be carried out in a wired or wireless manner.
  • the terminal 10 can switch between different access network devices 20, that is, establish connections with different access network devices 20.
  • TRP is a device deployed in the access network to provide wireless communication functions for the terminal 10.
  • TRPs can be multiple TRPs, such as TRP1, TPR2,..., TRPn.
  • TRP can be used for frequency range 1 (Frequency Range 1, FR1) or frequency range 2 (Frequency Range 2, FR2).
  • the terminal 10 communicates with at least two TRPs through receiving beams and/or transmitting beams. Multiple TRPs may belong to the same access network device 20 or different access network devices 20 .
  • the "5G NR system" in the embodiments of this application may also be called a 5G system or an NR system, but those skilled in the art can understand its meaning.
  • the technical solution described in the embodiments of this application can be applied to the 5G NR system, and can also be applied to the subsequent evolution system of the 5G NR system.
  • the terminal 10 In order to enable data sent by different TRPs to be coherently superimposed at the receiving end, the terminal 10 needs to report CSI of different TRPs or different TRP combinations based on the CJT transmission hypothesis.
  • the CSI reported by the terminal 10 is measured based on the CMR configured by the access network device 20 .
  • the access network device 20 configures CMR for each TRP, and the terminal 10 performs CSI measurement based on these CMRs and reports the corresponding CSI.
  • Figure 2 shows a flow chart of a CSI-RS resource configuration method provided by an embodiment of the present application. This method can be applied to the terminal in the communication system shown in Figure 1. The method includes the following steps:
  • step 220 first information is received.
  • the terminal receives the first information sent by the access network device.
  • the first information is used to indicate the number N of port groups corresponding to one CSI-RS resource.
  • the first information is also used to indicate the number P of ports corresponding to the CSI-RS resource; or, the terminal receives second information, and the second information is used to indicate the number P of ports corresponding to the CSI-RS resource. That is, the number of ports P included in the CSI-RS resource may be included in the first information and sent to the terminal together with the number of port groups N, or may be sent to the terminal separately in another second information.
  • the number of ports in each port group is the same. That is, divide P ports into N port groups.
  • the number N of port groups is equal to the number of TRPs and/or TRP groups. That is, N port groups corresponding to P ports are used for M-TRP transmission based on N TRPs and/or TRP groups, and each port group corresponds to a TRP or TRP group.
  • the TRP group may include at least one TRP, for example, two TRPs at the same location. This application does not limit this.
  • the CSI-RS resources are non-zero power CSI-RS resources.
  • the first information is carried in at least one of the following: Radio Resource Control (Radio Resource Control, RRC); Media Access Control Layer Control Element (Medium Access Control Control Element, MAC CE); Downlink Control Information (Downlink Control) Information, DCI).
  • RRC Radio Resource Control
  • RRC Media Access Control Layer Control Element
  • MAC CE Medium Access Control Control Element
  • DCI Downlink Control Information
  • the first information indicates the following different port group numbers:
  • the first information is used to indicate that the number of port groups N is 1 or 2. That is, when the CSI-RS resource contains 4 ports, the number of port groups is 1 or 2; that is, the number of TRP and/or TRP groups used for transmission is 1 or 2, and the terminal and access network Transmission is performed between devices through S-TRP or a single TRP group, or M-TRP transmission based on two TRPs and/or TRP groups.
  • the number of bits used to indicate the number N of port groups in the first information is 1. For example, when the bit used to indicate the number of port groups is 0, it means that the number of port groups N is 1, and when the bit used to indicate the number of port groups is 1, it means that the number of port groups N is 2.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 4. That is, when the CSI-RS resource contains 8 ports, the number of port groups is 1, 2, or 4; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 4,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 4 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 4.
  • the first information is used to indicate that the number of port groups N is 1 or 3. That is, when the CSI-RS resource contains 12 ports, the number of port groups is 1 or 3; that is, the number of TRP and/or TRP groups used for transmission is 1 or 3, and the terminal and access network Transmission is performed between devices through S-TRP or a single TRP group, or M-TRP transmission based on 3 TRPs and/or TRP groups.
  • the number of bits used to indicate the number N of port groups in the first information is 1. For example, when the bit used to indicate the number of port groups is 0, it means that the number of port groups N is 1, and when the bit used to indicate the number of port groups is 1, it means that the number of port groups N is 3.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 4. That is, when the CSI-RS resource contains 16 ports, the number of port groups is 1, 2, or 4; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 4,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 4 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 4.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 3. That is, when the CSI-RS resource contains 24 ports, the number of port groups is 1, 2, or 3; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 3,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 3 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 3.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 4. That is, when the CSI-RS resource contains 32 ports, the number of port groups is 1, 2, or 4; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 4,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 4 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 4.
  • the first information does not explicitly indicate the number of port groups N, and/or the first information is used to implicitly indicate the number of port groups.
  • N is 1. That is, when the CSI-RS resource only contains two ports, the number of port groups is 1; that is, the number of TRP or TRP groups used for transmission is one, and the terminal and the access network device are based on single transmission and reception. Transmit via Single Transmission Reception Point (S-TRP) or single TRP group transmission. In this case, there is only one possible situation for the number of port groups N, and there is no need to additionally indicate the number of port groups in the first information.
  • S-TRP Single Transmission Reception Point
  • each port group can contain one or more ports.
  • these ports can be consecutive ports; or, these ports can be non-consecutive ports. That is, multiple ports in a port group may be consecutive ports or discontinuous ports.
  • the corresponding rules for the port group and at least one port included in the port group are configured by the access network device; or, the corresponding rules for the port group and at least one port included in the port group are configured by default rules (such as communication protocol )Sure. That is, the corresponding rules for the port group and multiple ports in the port group may be configured for the access network device, or may be determined based on preset rules (eg, communication protocol). For example, after receiving the capability information of the terminal to support multiple non-consecutive ports, the access network device configures multiple non-contiguous ports for each port group; for another example, the default rule is to configure 8 consecutive ports as 1 port group, etc. This application does not limit the corresponding rules between the port group and at least one port.
  • default rules such as communication protocol
  • the terminal also reports capability information to the access network device.
  • the capability information includes at least one of the following: the supported port group contains at least two consecutive ports; the supported port group contains at least two non-consecutive ports. That is, the terminal reports to the access network device whether it supports multiple consecutive/non-consecutive ports, and the access network device configures multiple ports in each port group as continuous/non-contiguous based on the capability information reported by the terminal.
  • the first information is carried in at least one of the following: RRC; MAC CE; DCI.
  • the second information is carried in RRC.
  • the first information of the port number P and the port group number N is carried in at least one of RRC, MAC CE, and DCI;
  • the first information including the number of port groups N is carried in at least one of MAC CE and DCI, including port The second information of the number P is carried in the RRC.
  • the terminal receives the first information indicating the number of port groups, and then configures the CSI-RS resources in combination with the number of ports included in the CSI-RS resources, so that the configured CSI-RS resources can meet the needs of different quantities.
  • CSI measurements under TRP and/or TRP groups Since there is no need to configure each TRP or TRP group separately and the number of bits used to indicate the number of port groups in the first information does not exceed two, signaling overhead is reduced and the transmission performance based on the TRP transmission method is improved. .
  • the port number P may be carried in the first information or may be carried in additional second information.
  • the following description takes the second information carrying the port number P as an example.
  • Figure 3 shows a flow chart of a CSI-RS resource configuration method provided by an embodiment of the present application. This method can be applied to the terminal in the communication system shown in Figure 1. The method includes the following steps:
  • step 320 first information is received.
  • the terminal receives the first information sent by the access network device.
  • the first information is used to indicate the number N of port groups corresponding to one CSI-RS resource.
  • the CSI-RS resources are non-zero power CSI-RS resources.
  • each of the N port groups contains the same number of ports. That is, all ports in the CSI-RS resource are divided into N port groups.
  • the number N of port groups is equal to the number of TRPs and/or TRP groups. That is, N port groups in the CSI-RS resource are used for M-TRP transmission based on N TRPs and/or TRP groups, and each port group corresponds to a TRP or TRP group.
  • step 340 second information is received.
  • the terminal receives the second information sent by the access network device.
  • the second information is used to indicate the number P of ports corresponding to one CSI-RS resource.
  • the first information indicates the number of different port groups N as follows:
  • the first information is used to indicate that the number of port groups N is 1 or 2. That is, when the CSI-RS resource contains 4 ports, the number of port groups is 1 or 2; that is, the number of TRP and/or TRP groups used for transmission is 1 or 2, and the terminal and access network Transmission is performed between devices through S-TRP or a single TRP group, or M-TRP transmission based on two TRPs and/or TRP groups.
  • the number of bits used to indicate the number N of port groups in the first information is 1. For example, when the bit used to indicate the number of port groups is 0, it means that the number of port groups N is 1, and when the bit used to indicate the number of port groups is 1, it means that the number of port groups N is 2.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 4. That is, when the CSI-RS resource contains 8 ports, the number of port groups is 1, 2, or 4; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 4,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 4 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 4.
  • the first information is used to indicate that the number of port groups N is 1 or 3. That is, when the CSI-RS resource contains 12 ports, the number of port groups is 1 or 3; that is, the number of TRP and/or TRP groups used for transmission is 1 or 3, and the terminal and access network Transmission is performed between devices through S-TRP or a single TRP group, or M-TRP transmission based on 3 TRPs and/or TRP groups.
  • the number of bits used to indicate the number N of port groups in the first information is 1. For example, when the bit used to indicate the number of port groups is 0, it means that the number of port groups N is 1, and when the bit used to indicate the number of port groups is 1, it means that the number of port groups N is 3.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 4. That is, when the CSI-RS resource contains 16 ports, the number of port groups is 1, 2, or 4; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 4,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 4 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 4.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 3. That is, when the CSI-RS resource contains 24 ports, the number of port groups is 1, 2, or 3; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 3,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 3 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 3.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 4. That is, when the CSI-RS resource contains 32 ports, the number of port groups is 1, 2, or 4; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 4,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 4 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 4.
  • the first information does not explicitly indicate the number of port groups N, and/or the first information is used to implicitly indicate the number of port groups.
  • N is 1. That is, when the CSI-RS resource only contains two ports, the number of port groups is 1; that is, the number of TRP or TRP groups used for transmission is one, and the terminal and the access network device are based on single transmission and reception. Transmit via Single Transmission Reception Point (S-TRP) or single TRP group transmission. In this case, there is only one possible situation for the number of port groups N, and there is no need to additionally indicate the number of port groups in the first information.
  • S-TRP Single Transmission Reception Point
  • each port group can contain one or more ports.
  • these ports can be consecutive ports; or, these ports can be non-consecutive ports. That is, multiple ports in a port group may be consecutive ports or discontinuous ports.
  • the corresponding rules for the port group and at least one port included in the port group are configured by the access network device; or, the corresponding rules for the port group and at least one port included in the port group are configured by default rules (such as communication protocol )Sure. That is, the corresponding rules for the port group and multiple ports in the port group may be configured for the access network device, or may be determined based on preset rules (eg, communication protocol). For example, after receiving the capability information of the terminal to support multiple non-consecutive ports, the access network device configures multiple non-contiguous ports for each port group; for another example, the default rule is to configure 8 consecutive ports as 1 port group, etc. This application does not limit the corresponding rules between the port group and at least one port.
  • default rules such as communication protocol
  • the terminal also reports capability information to the access network device.
  • the capability information includes at least one of the following: the supported port group contains at least two consecutive ports; the supported port group contains at least two non-consecutive ports. That is, the terminal reports to the access network device whether it supports multiple consecutive/non-consecutive ports, and the access network device configures multiple ports in each port group as continuous/non-contiguous based on the capability information reported by the terminal.
  • the first information is carried in at least one of the following: RRC; MAC CE; DCI.
  • the second information is carried in RRC. That is, in some embodiments, RRC is used to configure CSI-RS resources and indicate the number of ports P, and the MAC CE or DCI carries information indicating the number of port groups N.
  • Step 320 may be performed first, and then step 340 may be performed; or step 340 may be performed first, and then step 320 may be performed; or step 320 and step 340 may be performed simultaneously.
  • the terminal receives the first information used to indicate the number of port groups and the second information used to indicate the number of ports, and implements the configuration of CSI-RS resources, so that the configured CSI-RS resources meet the requirements for different quantities.
  • TRP and/or CSI measurements of TRP groups Since there is no need to configure each TRP or TRP group separately and the number of bits used to indicate the number of port groups in the first information does not exceed two, signaling overhead is reduced and the transmission performance based on the TRP transmission method is improved. .
  • Figure 4 shows a flow chart of a CSI-RS resource configuration method provided by an embodiment of the present application. This method can be applied to the access network equipment in the communication system shown in Figure 1. The method includes the following steps:
  • step 420 the first information is sent.
  • the access network device sends configuration information to the terminal.
  • the first information is used to indicate the number N of port groups corresponding to one CSI-RS resource.
  • the first information is also used to indicate the number P of ports corresponding to the CSI-RS resource; or, the access network device sends second information, and the second information is used to indicate the number P of ports corresponding to the CSI-RS resource. That is, the number of ports P included in the CSI-RS resource may be included in the first information and sent to the terminal together with the number of port groups N, or may be sent to the terminal separately in another second information.
  • the number of ports in each port group is the same. That is, divide P ports into N port groups.
  • the number N of port groups is equal to the number of TRPs and/or TRP groups. That is, N port groups corresponding to P ports are used for M-TRP transmission based on N TRPs and/or TRP groups, and each port group corresponds to a TRP or TRP group.
  • the TRP group may include at least one TRP, for example, two TRPs at the same location. This application does not limit this.
  • the CSI-RS resources are non-zero power CSI-RS resources.
  • the first information is carried in at least one of the following: Radio Resource Control (Radio Resource Control, RRC); Media Access Control Layer Control Element (Medium Access Control Control Element, MAC CE); Downlink Control Information (Downlink Control) Information, DCI).
  • RRC Radio Resource Control
  • RRC Media Access Control Layer Control Element
  • MAC CE Medium Access Control Control Element
  • DCI Downlink Control Information
  • the first information indicates the following different port group numbers:
  • the first information is used to indicate that the number of port groups N is 1 or 2. That is, when the CSI-RS resource contains 4 ports, the number of port groups is 1 or 2; that is, the number of TRP and/or TRP groups used for transmission is 1 or 2, and the terminal and access network Transmission is performed between devices through S-TRP or a single TRP group, or M-TRP transmission based on two TRPs and/or TRP groups.
  • the number of bits used to indicate the number N of port groups in the first information is 1. For example, when the bit used to indicate the number of port groups is 0, it means that the number of port groups N is 1, and when the bit used to indicate the number of port groups is 1, it means that the number of port groups N is 2.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 4. That is, when the CSI-RS resource contains 8 ports, the number of port groups is 1, 2, or 4; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 4,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 4 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 4.
  • the first information is used to indicate that the number of port groups N is 1 or 3. That is, when the CSI-RS resource contains 12 ports, the number of port groups is 1 or 3; that is, the number of TRP and/or TRP groups used for transmission is 1 or 3, and the terminal and access network Transmission is performed between devices through S-TRP or a single TRP group, or M-TRP transmission based on 3 TRPs and/or TRP groups.
  • the number of bits used to indicate the number N of port groups in the first information is 1. For example, when the bit used to indicate the number of port groups is 0, it means that the number of port groups N is 1, and when the bit used to indicate the number of port groups is 1, it means that the number of port groups N is 3.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 4. That is, when the CSI-RS resource contains 16 ports, the number of port groups is 1, 2, or 4; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 4,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 4 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 4.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 3. That is, when the CSI-RS resource contains 24 ports, the number of port groups is 1, 2, or 3; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 3,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 3 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 3.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 4. That is, when the CSI-RS resource contains 32 ports, the number of port groups is 1, 2, or 4; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 4,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 4 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 4.
  • the first information does not explicitly indicate the number of port groups N, and/or the first information is used to implicitly indicate the number of port groups.
  • N is 1. That is, when the CSI-RS resource only contains two ports, the number of port groups is 1; that is, the number of TRP or TRP groups used for transmission is one, and the terminal and the access network device are based on single transmission and reception. Transmit via Single Transmission Reception Point (S-TRP) or single TRP group transmission. In this case, there is only one possible situation for the number of port groups N, and there is no need to additionally indicate the number of port groups in the first information.
  • S-TRP Single Transmission Reception Point
  • each port group can contain one or more ports.
  • these ports can be consecutive ports; or, these ports can be non-consecutive ports. That is, multiple ports in a port group may be consecutive ports or discontinuous ports.
  • the corresponding rules for the port group and at least one port included in the port group are configured by the access network device; or, the corresponding rules for the port group and at least one port included in the port group are configured by default rules (such as communication protocol )Sure. That is, the corresponding rules for the port group and multiple ports in the port group may be configured for the access network device, or may be determined based on preset rules (eg, communication protocol). For example, after receiving the capability information of the terminal to support multiple non-consecutive ports, the access network device configures multiple non-contiguous ports for each port group; for another example, the default rule is to configure 8 consecutive ports as 1 port group, etc. This application does not limit the corresponding rules between the port group and at least one port.
  • default rules such as communication protocol
  • the terminal also reports capability information to the access network device.
  • the capability information includes at least one of the following: the supported port group contains at least two consecutive ports; the supported port group contains at least two non-consecutive ports. That is, the terminal reports to the access network device whether it supports multiple consecutive/non-consecutive ports, and the access network device configures multiple ports in each port group as continuous/non-contiguous based on the capability information reported by the terminal.
  • the first information is carried in at least one of the following: RRC; MAC CE; DCI.
  • the second information is carried in RRC.
  • the information of the port number P and the port group number N is carried in at least one of RRC, MAC CE, and DCI; in the first When the first information is used to indicate the number of port groups N, and the second information is used to indicate the number of ports P, the information about the number of port groups N is carried in at least one of MAC CE and DCI, and the information about the number of ports P is carried in RRC.
  • the access network device sends the first information indicating the number of port groups, so that the terminal can configure the CSI-RS resources in combination with the number of ports included in the CSI-RS resources, so that the configured CSI-RS resources Meet the CSI measurement of TRPs and/or TRP groups under different numbers of cases. Since there is no need to separately configure each TRP or TRP group and the number of bits used to indicate the number of port groups in the first information sent by the access network device does not exceed two, signaling overhead is reduced and TRP-based Transmission performance of the transmission method.
  • the port number P may be carried in the first information or may be carried in additional second information.
  • the following description takes the second information carrying the port number P as an example.
  • Figure 5 shows a flow chart of a CSI-RS resource configuration method provided by an embodiment of the present application. This method can be applied to the access network equipment in the communication system shown in Figure 1. The method includes the following steps:
  • step 520 the first information is sent.
  • the access network device sends the first information to the terminal.
  • the first information is used to indicate the number N of port groups corresponding to one CSI-RS resource.
  • the CSI-RS resources are non-zero power CSI-RS resources.
  • each of the N port groups contains the same number of ports. That is, all ports in the CSI-RS resource are divided into N port groups.
  • the number N of port groups is equal to the number of TRPs and/or TRP groups. That is, N port groups in the CSI-RS resource are used for M-TRP transmission based on N TRPs and/or TRP groups, and each port group corresponds to a TRP or TRP group.
  • step 540 the second information is sent.
  • the access network device sends the second information to the terminal.
  • the second information is used to indicate the number P of ports corresponding to one CSI-RS resource.
  • the first information indicates a different number of port groups N as follows:
  • the first information is used to indicate that the number of port groups N is 1 or 2. That is, when the CSI-RS resource contains 4 ports, the number of port groups is 1 or 2; that is, the number of TRP and/or TRP groups used for transmission is 1 or 2, and the terminal and access network Devices transmit data through S-TRP or TRP groups, or M-TRP transmission based on two TRPs and/or TRP groups.
  • the number of bits used to indicate the number N of port groups in the first information is 1. For example, when the bit used to indicate the number of port groups is 0, it means that the number of port groups N is 1, and when the bit used to indicate the number of port groups is 1, it means that the number of port groups N is 2.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 4. That is, when the CSI-RS resource contains 8 ports, the number of port groups is 1, 2, or 4; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 4,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 4 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 4.
  • the first information is used to indicate that the number of port groups N is 1 or 3. That is, when the CSI-RS resource contains 12 ports, the number of port groups is 1 or 3; that is, the number of TRP and/or TRP groups used for transmission is 1 or 3, and the terminal and access network Transmission is performed between devices through S-TRP or a single TRP group, or M-TRP transmission based on 3 TRPs and/or TRP groups.
  • the number of bits used to indicate the number N of port groups in the first information is 1. For example, when the bit used to indicate the number of port groups is 0, it means that the number of port groups N is 1, and when the bit used to indicate the number of port groups is 1, it means that the number of port groups N is 3.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 4. That is, when the CSI-RS resource contains 16 ports, the number of port groups is 1, 2, or 4; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 4,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 4 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 4.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 3. That is, when the CSI-RS resource contains 24 ports, the number of port groups is 1, 2, or 3; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 3,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 3 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 3.
  • the first information is used to indicate that the number of port groups N is 1 or 2 or 4. That is, when the CSI-RS resource contains 32 ports, the number of port groups is 1, 2, or 4; that is, the number of TRPs and/or TRP groups used for transmission is 1, 2, or 4,
  • the terminal and the access network equipment are transmitted through S-TRP or a single TRP group, or M-TRP based on 2 TRPs and/or TRP groups, or M-TRP based on 4 TRPs and/or TRP groups. Make the transfer. In this case, there are three possible situations for the number of port groups N, so the number of bits used to indicate the number N of port groups in the first information is 2.
  • bit used to indicate the number of port groups when the bit used to indicate the number of port groups is 00, it means that the number of port groups N is 1. When the bit used to indicate the number of port groups is 01, it means that the number of port groups N is 2. The bit used to indicate the number of port groups When the bit is 10, it means that the number of port groups N is 4.
  • the first information does not explicitly indicate the number of port groups N, and/or the first information is used to implicitly indicate the number of port groups.
  • N is 1. That is, when the CSI-RS resource only contains two ports, the number of port groups is 1; that is, the number of TRP or TRP groups used for transmission is one, and the terminal and the access network device are based on single transmission and reception. Transmit via Single Transmission Reception Point (S-TRP) or single TRP group transmission. In this case, there is only one possible situation for the number of port groups N, and there is no need to additionally indicate the number of port groups in the first information.
  • S-TRP Single Transmission Reception Point
  • each port group can contain one or more ports.
  • these ports can be consecutive ports; or, these ports can be non-consecutive ports. That is, multiple ports in a port group may be consecutive ports or discontinuous ports.
  • the corresponding rules for the port group and at least one port included in the port group are configured by the access network device; or, the corresponding rules for the port group and at least one port included in the port group are configured by default rules (such as communication protocol )Sure. That is, the corresponding rules for the port group and multiple ports in the port group may be configured for the access network device, or may be determined based on preset rules (eg, communication protocol). For example, after receiving the capability information of the terminal to support multiple non-consecutive ports, the access network device configures multiple non-contiguous ports for each port group; for another example, the default rule is to configure 8 consecutive ports as 1 port group, etc. This application does not limit the corresponding rules between the port group and at least one port.
  • default rules such as communication protocol
  • the terminal also reports capability information to the access network device.
  • the capability information includes at least one of the following: the supported port group contains at least two consecutive ports; the supported port group contains at least two non-consecutive ports. That is, the terminal reports to the access network device whether it supports multiple consecutive/non-consecutive ports, and the access network device configures multiple ports in each port group as continuous/non-contiguous based on the capability information reported by the terminal.
  • the first information is carried in at least one of the following: RRC; MAC CE; DCI.
  • the second information is carried in RRC. That is, in some embodiments, RRC is used to configure CSI-RS resources and indicate the number of ports P, and the MAC CE or DCI carries information indicating the number of port groups N.
  • step 520 may be performed first, and then step 540 may be performed; or step 540 may be performed first, and then step 520 may be performed; or step 520 and step 540 may be performed simultaneously.
  • the access network device sends the first information for indicating the number of port groups and the second information for indicating the number of ports to the terminal to realize the configuration of CSI-RS resources, so that the configured CSI-RS
  • the resources satisfy CSI measurements for different numbers of TRPs and/or TRP groups. Since there is no need to configure each TRP or TRP group separately and the number of bits used to indicate the number of port groups in the first information does not exceed two, the signaling overhead is reduced and the transmission performance based on the TRP transmission method is improved.
  • Figure 6 shows a flow chart of a CSI-RS resource configuration method provided by an embodiment of the present application. This method can be applied to the communication system shown in Figure 1. The method includes the following steps:
  • step 601 the terminal reports capability information.
  • the terminal reports capability information to the access network device.
  • the capability information includes at least one of the following: the supported port group contains at least one continuous port; the supported port group contains at least one non-consecutive port. That is, the terminal reports to the access network device whether it supports multiple consecutive/non-consecutive ports, and the access network device configures multiple ports in each port group as continuous/non-contiguous based on the capability information reported by the terminal.
  • step 602 the access network device sends first information.
  • the first information is used to indicate the number N of port groups corresponding to one CSI-RS resource.
  • the CSI-RS resources are non-zero power CSI-RS resources.
  • the number N of port groups is equal to the number of TRPs and/or TRP groups. That is, N port groups in the CSI-RS resource are used for M-TRP transmission based on N TRPs and/or TRP groups, and each port group corresponds to a TRP or TRP group.
  • the TRP group may include at least one TRP, for example, two TRPs at the same location. This application does not limit this.
  • the first information is carried in at least one of the following: RRC; MAC CE; DCI.
  • step 603 the access network device sends second information.
  • the second information is carried in RRC.
  • the second information is used to indicate the number P of ports corresponding to one CSI-RS resource.
  • each of the N port groups contains the same number of ports. That is, the P ports included in the CSI-RS resource are equally divided into N port groups.
  • the first information indicates different port group numbers N. Please refer to the foregoing embodiments for details, which will not be described again here.
  • Step 602 may be executed first, and then step 603 may be executed; or step 603 may be executed first, and then step 602 may be executed; or step 602 and step 603 may be executed simultaneously.
  • step 603 may be omitted; that is, the first information sent by the access network device in step 602 is used to indicate both the number of port groups N and the number of ports P.
  • Figure 7 is a structural block diagram of a CSI-RS resource configuration device provided by an exemplary embodiment of the present application. As shown in Figure 7, the device includes:
  • the first receiving module 720 is configured to receive first information, where the first information is used to indicate the number N of port groups corresponding to one CSI-RS resource.
  • the first information is also used to indicate the number of ports P corresponding to the CSI-RS resource; or, the device further includes a second receiving module 740, and the second receiving module 740, Used to receive second information, where the second information is used to indicate the number P of ports corresponding to the CSI-RS resource.
  • the first information is used to indicate that the number of port groups N is 1 or 2.
  • the number of bits used to indicate the number N of port groups in the first information is 1.
  • the first information is used to indicate that the number N of port groups is 1, 2, or 4.
  • the number of bits used to indicate the number N of port groups in the first information is 2.
  • the first information is used to indicate that the number of port groups N is 1 or 3.
  • the number of bits used to indicate the number N of port groups in the first information is 1.
  • the first information is used to indicate that the number of port groups N is 1, 2, or 4.
  • the number of bits used to indicate the number N of port groups in the first information is 2.
  • the first information is used to indicate that the number of port groups N is 1, 2, or 3.
  • the number of bits used to indicate the number N of port groups in the first information is 2.
  • the first information is used to indicate that the number N of port groups is 1, 2, or 4.
  • the number of bits used to indicate the number N of port groups in the first information is 2.
  • each port group includes at least one continuous port; or, each port group includes at least one non-consecutive port.
  • the corresponding rules for the port group and the at least one port are configured by the access network device; or the corresponding rules for the port group and the at least one port are determined by default rules.
  • the device further includes a reporting module 760, which is used to report capability information.
  • the capability information includes at least one of the following: supporting the port group to include at least one continuous port; supporting the port group to include at least one non-consecutive port.
  • the number of ports in each port group is the same.
  • the number N of port groups is equal to the number of sending and receiving points TRP.
  • the CSI-RS resources are non-zero power CSI-RS resources.
  • the first information is carried in at least one of the following: Radio Resource Control RRC; Media Access Control Layer Control Element MAC CE; Downlink Control Information DCI.
  • the second information is carried in RRC.
  • Figure 8 is a structural block diagram of a CSI-RS resource configuration device provided by an exemplary embodiment of the present application. As shown in Figure 8, the device includes:
  • the first sending module 820 is configured to send first information, where the first information is used to indicate the number N of port groups corresponding to one CSI-RS resource.
  • the first information is also used to indicate the number P of ports corresponding to the CSI-RS resource; or, the device includes a second sending module 840, and the second sending module 840 uses When sending second information, the second information is used to indicate the number P of ports corresponding to the CSI-RS resource.
  • the first information is used to indicate that the number of port groups N is 1 or 2.
  • the number of bits used to indicate the number N of port groups in the first information is 1.
  • the first information is used to indicate that the number N of port groups is 1, 2, or 4.
  • the number of bits used to indicate the number N of port groups in the first information is 2.
  • the first information is used to indicate that the number of port groups N is 1 or 3.
  • the number of bits used to indicate the number N of port groups in the first information is 1.
  • the first information is used to indicate that the number of port groups N is 1, 2, or 4.
  • the number of bits used to indicate the number N of port groups in the first information is 2.
  • the first information is used to indicate that the number of port groups N is 1, 2, or 3.
  • the number of bits used to indicate the number N of port groups in the first information is 2.
  • the first information is used to indicate that the number of port groups N is 1, 2, or 4.
  • the number of bits used to indicate the number N of port groups in the first information is 2.
  • each port group includes at least one continuous port; or, each port group includes at least one non-consecutive port.
  • the corresponding rules for the port group and the at least one port are configured by the access network device; or the corresponding rules for the port group and the at least one port are determined by default rules.
  • the device further includes a receiving module 860, which is configured to receive capability information reported by the terminal.
  • the capability information includes at least one of the following: supporting the port group to include at least one continuous port; supporting the port group to include at least one non-consecutive port.
  • the number of ports in each port group is the same.
  • the number N of port groups is equal to the number of sending and receiving points TRP.
  • the CSI-RS resources are non-zero power CSI-RS resources.
  • the first information is carried in at least one of the following: Radio Resource Control RRC; Media Access Control Layer Control Element MAC CE; Downlink Control Information DCI.
  • the second information is carried in RRC.
  • the terminal 1600 may include: a processor 1601, a transceiver 1602, and a memory 1603.
  • the processor 1601 includes one or more processing cores.
  • the processor 1601 executes various functional applications and information processing by running software programs and modules.
  • the transceiver 1602 may include a receiver and a transmitter.
  • the receiver and the transmitter may be implemented as the same wireless communication component, and the wireless communication component may include a wireless communication chip and a radio frequency antenna.
  • Memory 1603 may be connected to processor 1601 and transceiver 1602.
  • the memory 1603 may be used to store a computer program executed by the processor, and the processor 1601 is used to execute the computer program to implement various steps performed by the terminal in the wireless communication system in the above method embodiment.
  • memory 1603 may be implemented by any type of volatile or non-volatile storage device, or combination thereof, including but not limited to: magnetic or optical disks, electrically erasable programmable Read-only memory, erasable programmable read-only memory, static ready-access memory, read-only memory, magnetic memory, flash memory, programmable read-only memory.
  • the process performed by the transceiver 1602 may refer to the various steps performed by the terminal in the above method.
  • the network device 1700 may include: a processor 1701, a transceiver 1702, and a memory 1703.
  • the processor 1701 includes one or more processing cores.
  • the processor 1701 executes various functional applications and information processing by running software programs and modules.
  • Transceiver 1702 may include a receiver and a transmitter.
  • the transceiver 1702 may include a wired communication component, and the wired communication component may include a wired communication chip and a wired interface (such as an optical fiber interface).
  • the transceiver 1702 may also include a wireless communication component, which may include a wireless communication chip and a radio frequency antenna.
  • Memory 1703 may be connected to processor 1701 and transceiver 1702.
  • the memory 1703 can be used to store a computer program executed by the processor, and the processor 1701 is used to execute the computer program to implement various steps performed by the access network device in the wireless communication system in the above method embodiment.
  • memory 1703 may be implemented by any type of volatile or non-volatile storage device, or combination thereof, including but not limited to: magnetic or optical disks, electrically erasable programmable Read-only memory, erasable programmable read-only memory, static ready-access memory, read-only memory, magnetic memory, flash memory, programmable read-only memory.
  • Embodiments of the present application also provide a computer-readable storage medium.
  • the computer-readable storage medium stores at least one instruction, at least one program, a code set or an instruction set.
  • the at least one instruction, the at least one program The code set or the instruction set is loaded and executed by the processor so that the communication device implements the above-mentioned CSI-RS resource configuration method.
  • the application also provides a computer program product, which includes computer instructions stored in a computer-readable storage medium.
  • the processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer program product performs each step performed by the terminal or the access network device in the method shown above.
  • This application also provides a chip, which is used to run in a computer device, so that the computer device performs various steps performed by the terminal or the access network device in the method shown above.
  • This application also provides a computer program.
  • the computer program is executed by a processor of the computer device.
  • the network device installed with the computer program implements each step performed by the terminal or the access network device in the method shown above.
  • Computer-readable media includes computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. Storage media may be available media that can be accessed by a general-purpose or special-purpose computer.
  • first, second, third, etc. may be used to describe various information in the embodiments of this application, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • the words "if” and “in response to” as used herein may be interpreted as "when” or "when” or “in response to determining.”

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Abstract

本申请公开了一种CSI-RS资源的配置方法、装置、设备及介质，属于通信技术领域。所述方法由终端执行，所述方法包括：接收第一信息，所述第一指示信息用于指示一个CSI-RS资源对应的端口组数量N。该方法通过第一信息指示端口组数量，使得不同的TRP或TRP组对应不同的端口组，实现对不同数量情况下的TRP和/或TRP组的CSI测量资源配置，在减少信令开销的同时提升传输性能。

Description

CSI-RS资源的配置方法、装置、设备及介质 技术领域
本申请涉及通信技术领域，特别涉及一种信道状态信息参考信号(Channel State Information-Reference Signal，CSI-RS)资源的配置方法、装置、设备及介质。
背景技术
在新空口(New Radio，NR)中，引入了基于多发送接收点(Multi Transmission Reception Point，M-TRP)的相干联合传输(Coherent Joint Transmission，CJT)。基站可通过发送接收点(Transmission Reception Point，TRP)接收或发送波束，从而为终端提供服务。
相关技术中，当基站使用两个TRP为终端提供服务时，基站针对该两个TRP进行信道状态信息(Channel State Information，CSI)测量资源配置。其中，CSI测量资源包括信道测量资源(Channel Measurement Resource，CMR)和干扰测量资源(Interference Measurement Resource，IMR)。
在基于TRP进行传输的场景中，传输方式在单发送接收点(Single Transmission Reception Point，S-TRP)和M-TRP之间切换。如何在TRP数量不同的情况下，在减少信令开销的同时实现CSI测量资源的配置，是亟待解决的问题。
发明内容
本申请实施例提供了一种CSI-RS资源的配置方法、装置、设备及介质，能够在进行S-TRP或M-TRP传输时，对CSI-RS资源对应的端口组数量进行配置，每个TRP对应一个端口组，从而实现在减少信令开销的同时，指示用于传输的TRP的数量，提高基于TRP传输的性能。该技术方案如下：
根据本申请的一个方面，提供了一种CSI-RS资源的配置方法，该方法由终端执行，该方法包括：
接收第一信息，所述第一信息用于指示一个CSI-RS资源对应的端口组数量N。
根据本申请的一个方面，提供了一种CSI-RS资源的配置方法，该方法由接入网设备执行，该方法包括：
发送第一信息，所述第一信息用于指示一个CSI-RS资源对应的端口组数量N。
根据本申请的一个方面，提供了一种CSI-RS资源的配置装置，该装置包括：
第一接收模块，用于接收第一信息，所述第一信息用于指示一个CSI-RS资源对应的端口组数量N。
根据本申请的一个方面，提供了一种CSI-RS资源的配置装置，该装置包括：
第一发送模块，用于发送第一信息，所述第一信息用于指示一个CSI-RS资源对应的端口组数量N。
根据本申请实施例的另一方面，提供了一种终端，该终端包括：
处理器；
与处理器相连的收发器；
用于存储处理器可执行指令的存储器；
其中，处理器被配置为加载并执行可执行指令以使得终端实现上述任一所述的CSI-RS资源的配置方法。
根据本申请实施例的另一方面，提供了一种接入网设备，该接入网设备包括：
处理器；
与处理器相连的收发器；
用于存储处理器可执行指令的存储器；
其中，处理器被配置为加载并执行可执行指令以使得接入网设备实现上述任一所述的CSI-RS资源的配置方法。
根据本申请实施例的另一方面，提供了一种芯片，安装有所述芯片的通信设备用于实现上述任一所述的CSI-RS资源的配置方法。
根据本申请的一方面，提供了一种计算机可读存储介质，所述计算机可读存储介质中存储有至少一条指令、至少一段程序、代码集或指令集，所述至少一条指令、所述至少一段程序、所述代码集或所述指令集由处理器加载并执行 以使得通信设备实现如上述的CSI-RS资源的配置方法。
本申请实施例提供的技术方案带来的有益效果至少包括：
该方案可以在进行TRP传输的过程中，通过第一信息指示一个CSI-RS资源对应的端口组数量，每个TRP或TRP组对应一个端口组，从而实现对不同数量情况下的TRP和/或TRP组进行CSI测量配置，实现在减少信令开销的同时，提高基于TRP的传输性能。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是根据一示例性实施例提供的一种通信系统的示意图；
图2是根据一示例性实施例提供的一种CSI-RS资源的配置方法的流程图；
图3是根据一示例性实施例提供的一种CSI-RS资源的配置方法的流程图；
图4是根据一示例性实施例提供的一种CSI-RS资源的配置方法的流程图；
图5是根据一示例性实施例提供的一种CSI-RS资源的配置方法的流程图；
图6是根据一示例性实施例提供的一种CSI-RS资源的配置方法的流程图；
图7是根据一示例性实施例示出的一种CSI-RS资源的配置装置的框图；
图8是根据一示例性实施例示出的一种CSI-RS资源的配置装置的框图；
图9是根据一示例性实施例示出的一种终端的结构示意图；
图10是根据一示例性实施例示出的一种网络设备的结构示意图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本申请相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本申请的一些方面相一致的装置和方法的例子。
本申请实施例描述的网络架构以及业务场景是为了更加清楚地说明本申请 实施例的技术方案，并不构成对本申请实施例提供的技术方案的限定，本领域普通技术人员可知，随着网络架构的演变和新业务场景的出现，本申请实施例提供的技术方案对于类似的技术问题，同样适用。
图1示出了本申请一个实施例提供的通信系统的示意图。该通信系统可以包括：终端10和接入网设备20。
终端10的数量通常为多个，每一个接入网设备20所管理的小区内可以分布一个或多个终端10。终端10可以包括各种具有无线通信功能的手持设备、车载设备、可穿戴设备、计算设备或连接到无线调制解调器的其它处理设备，以及各种形式的用户设备(User Equipment，UE)、移动台(Mobile Station，MS)等等。为方便描述，本申请实施例中，上面提到的设备统称为终端。
接入网设备20是一种部署在接入网中用以为终端10提供无线通信功能的装置。接入网设备20可以包括各种形式的宏基站，微基站，中继站，接入点。在采用不同的无线接入技术的系统中，具备接入网设备功能的设备的名称可能会有所不同，例如在5G NR系统中，称为gNodeB或者gNB。随着通信技术的演进，“接入网设备”这一名称可能会变化。为方便描述，本申请实施例中，上述为终端10提供无线通信功能的装置统称为接入网设备。接入网设备20与终端10之间可以通过空口建立连接，从而通过该连接进行通信，包括信令和数据的交互。接入网设备20的数量可以有多个，两个邻近的接入网设备20之间也可以通过有线或者无线的方式进行通信。终端10可以在不同的接入网设备20之间进行切换，也即与不同的接入网设备20建立连接。
TRP是一种部署在接入网中用以为终端10提供无线通信功能的装置。TRP可以为多个，比如，TRP1，TPR2，…，TRPn。在NR中，TRP可以用于频率范围1(Frequency Range 1，FR1)，也可以用于频率范围2(Frequency Range 2，FR2)。特别是通信频段在FR2时，由于高频信道衰减较快，为了保证覆盖范围，需要使用基于波束的发送和接收。可选地，终端10与至少两个TRP之间通过接收波束和/或发送波束进行通信。多个TRP可以属于同一个接入网设备20，或不同的接入网设备20。
本申请实施例中的“5G NR系统”也可以称为5G系统或者NR系统，但本领域技术人员可以理解其含义。本申请实施例描述的技术方案可以适用于5G  NR系统，也可以适用于5G NR系统后续的演进系统。
为了使不同TRP发送的数据能够在接收端相干叠加，终端10需要基于CJT的传输假设上报不同TRP或不同TRP组合的CSI。
终端10上报的CSI基于接入网设备20配置的CMR测量得到。例如，接入网设备20为每一个TRP配置CMR，终端10基于这些CMR进行CSI测量并上报对应的CSI。
图2示出了本申请一个实施例提供的CSI-RS资源的配置方法的流程图。该方法可以应用于图1所示的通信系统中的终端。该方法包括如下步骤：
在步骤220中，接收第一信息。
终端接收接入网设备发送的第一信息。
第一信息用于指示一个CSI-RS资源对应的端口组数量N。
可选地，第一信息还用于指示该CSI-RS资源对应的端口数量P；或，终端接收第二信息，第二信息用于指示该CSI-RS资源对应的端口数量P。即，该CSI-RS资源中包含的端口数量P可能与端口组数量N一起包含在第一信息中发送至终端，也可能在另外的第二信息中单独发送至终端。
可选地，每个端口组中的端口数量相同。即，将P个端口均分为N个端口组。
可选地，端口组数量N与TRP和/或TRP组的数量相等。即，P个端口对应的N个端口组，用于基于N个TRP和/或TRP组的M-TRP传输，每个端口组对应一个TRP或TRP组。其中，TRP组可以包含至少一个TRP，比如包含处在相同位置的两个TRP。本申请对此不作限制。
可选地，CSI-RS资源为非零功率CSI-RS资源。
可选地，第一信息携带在如下至少一项中：无线资源控制(Radio Resource Control，RRC)；媒体接入控制层控制元素(Medium Access Control Control Element，MAC CE)；下行控制信息(Downlink Control Information，DCI)。
在一些实施例中，针对包含的端口数量为P的CSI-RS资源，第一信息指示如下不同的端口组数量：
●在CSI-RS资源对应的端口数量P为4的情况下，第一信息用于指示端口组数量N为1或2。即，在CSI-RS资源中包含4个端口的情况下，端 口组数量为1或2；也即，用于传输的TRP和/或TRP组数量为1个或2个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有2种，则第一信息中用于指示端口组数量N的比特数为1。例如，用于指示端口组数量的比特位为0时代表端口组数量N为1，用于指示端口组数量的比特位为1时代表端口组数量N为2。
●在CSI-RS资源对应的端口数量P为8的情况下，第一信息用于指示端口组数量N为1或2或4。即，在CSI-RS资源中包含8个端口的情况下，端口组数量为1或2或4；也即，用于传输的TRP和/或TRP组数量为1个或2个或4个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于4个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为4。
●在CSI-RS资源对应的端口数量P为12的情况下，第一信息用于指示端口组数量N为1或3。即，在CSI-RS资源中包含12个端口的情况下，端口组数量为1或3；也即，用于传输的TRP和/或TRP组数量为1个或3个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于3个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有2种，则第一信息中用于指示端口组数量N的比特数为1。例如，用于指示端口组数量的比特位为0时代表端口组数量N为1，用于指示端口组数量的比特位为1时代表端口组数量N为3。
●在CSI-RS资源对应的端口数量P为16的情况下，第一信息用于指示端口组数量N为1或2或4。即，在CSI-RS资源中包含16个端口的情况下，端口组数量为1或2或4；也即，用于传输的TRP数量和/或TRP组为1个或2个或4个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于4个TRP和/ 或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为4。
●在CSI-RS资源对应的端口数量P为24的情况下，第一信息用于指示端口组数量N为1或2或3。即，在CSI-RS资源中包含24个端口的情况下，端口组数量为1或2或3；也即，用于传输的TRP和/或TRP组数量为1个或2个或3个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于3个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为3。
●在CSI-RS资源对应的端口数量P为32的情况下，第一信息用于指示端口组数量N为1或2或4。即，在CSI-RS资源中包含32个端口的情况下，端口组数量为1或2或4；也即，用于传输的TRP和/或TRP组数量为1个或2个或4个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于4个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为4。
此外，作为说明性质的，在CSI-RS资源对应的端口数量P为2的情况下，第一信息不显式指示端口组数量N，和/或，第一信息用于隐式指示端口组数量N为1。即，在CSI-RS资源中仅包含两个端口的情况下，端口组数量为1；也即，用于传输的TRP或TRP组数量为一个，终端与接入网设备之间基于单发送接收点(Single Transmission Reception Point，S-TRP)或单TRP组传输方式进行 传输。在这种情况下，端口组数量N的可能情况只有1种，第一信息中不需要额外指示端口组数。
可选地，每个端口组中可以包含一个或多个端口。当每个端口组中的端口数为多个时，这些端口可以为连续的端口；或，这些端口可以为非连续的端口。即，端口组中的多个端口可能为连续端口，也可能为不连续的端口。
可选地，端口组与端口组内所包含的至少一个端口的对应规则由接入网设备配置；或，端口组与端口组内所包含的至少一个端口的对应规则由默认规则(例如通信协议)确定。即，端口组和端口组中的多个端口的对应规则可以为接入网设备配置的，也可以是基于预先设置的规则(例如通信协议)确定的。例如，接入网设备在接收到终端支持非连续的多个端口的能力信息后，为每个端口组中配置非连续的多个端口；再例如，默认规则为将连续的8个端口配置为1个端口组，等等。本申请对端口组和至少一个端口之间的对应规则不加以限制。
可选地，终端还向接入网设备上报能力信息。其中，能力信息包括如下至少之一：支持端口组包含连续的至少两个端口；支持端口组包含非连续的至少两个端口。即，终端向接入网设备上报是否支持连续/非连续的多个端口，接入网设备根据终端上报的能力信息配置每个端口组中的多个端口为连续/非连续。
可选地，第一信息携带在如下至少一项中：RRC；MAC CE；DCI。
可选地，第二信息携带在RRC中。
即，在第一信息用于同时指示端口数P和端口组数N的情况下，端口数P和端口组数N的第一信息被携带在RRC、MAC CE、DCI中的至少一项中；在第一信息用于指示端口组数N，第二信息用于指示端口数P的情况下，包含端口组数N的第一信息被携带在MAC CE、DCI中的至少一项中，包含端口数P的第二信息被携带在RRC中。
综上所述，终端接收用于指示端口组数量的第一信息，再结合CSI-RS资源中包含的端口数量对CSI-RS资源进行配置，使配置后的CSI-RS资源满足对不同数量情况下的TRP和/或TRP组的CSI测量。由于不需要针对每个TRP或TRP组单独进行配置且第一信息中用于指示端口组数量的比特数不超过两个，因此减少了信令开销，同时也提升了基于TRP传输方式的传输性能。
由前述实施例可知，端口数量P可能被携带在第一信息中，也可能被携带在额外的第二信息中。以下以第二信息中携带有端口数量P为例进行说明。
图3示出了本申请一个实施例提供的CSI-RS资源的配置方法的流程图。该方法可以应用于图1所示的通信系统中的终端。该方法包括如下步骤：
在步骤320中，接收第一信息。
终端接收接入网设备发送的第一信息。
第一信息用于指示一个CSI-RS资源对应的端口组数量N。
可选地，CSI-RS资源为非零功率CSI-RS资源。
可选地，N个端口组中的每个端口组包含的端口数量相同。即，将CSI-RS资源中所有的端口均分为N个端口组。
可选地，端口组数量N与TRP和/或TRP组的数量相等。即，CSI-RS资源中的N个端口组，用于基于N个TRP和/或TRP组的M-TRP传输，每个端口组对应一个TRP或TRP组。
在步骤340中，接收第二信息。
终端接收接入网设备发送的第二信息。
第二信息用于指示一个CSI-RS资源对应的端口数量P。
在一些实施例中，针对第二信息中指示的端口数量P，第一信息指示如下不同的端口组数量N：
●在CSI-RS资源对应的端口数量P为4的情况下，第一信息用于指示端口组数量N为1或2。即，在CSI-RS资源中包含4个端口的情况下，端口组数量为1或2；也即，用于传输的TRP和/或TRP组数量为1个或2个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有2种，则第一信息中用于指示端口组数量N的比特数为1。例如，用于指示端口组数量的比特位为0时代表端口组数量N为1，用于指示端口组数量的比特位为1时代表端口组数量N为2。
●在CSI-RS资源对应的端口数量P为8的情况下，第一信息用于指示端口组数量N为1或2或4。即，在CSI-RS资源中包含8个端口的情况下，端口组数量为1或2或4；也即，用于传输的TRP和/或TRP组数量为1个或2个或4个，终端与接入网设备之间通过S-TRP或单TRP组，或， 基于2个TRP和/或TRP组的M-TRP，或，基于4个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为4。
●在CSI-RS资源对应的端口数量P为12的情况下，第一信息用于指示端口组数量N为1或3。即，在CSI-RS资源中包含12个端口的情况下，端口组数量为1或3；也即，用于传输的TRP和/或TRP组数量为1个或3个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于3个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有2种，则第一信息中用于指示端口组数量N的比特数为1。例如，用于指示端口组数量的比特位为0时代表端口组数量N为1，用于指示端口组数量的比特位为1时代表端口组数量N为3。
●在CSI-RS资源对应的端口数量P为16的情况下，第一信息用于指示端口组数量N为1或2或4。即，在CSI-RS资源中包含16个端口的情况下，端口组数量为1或2或4；也即，用于传输的TRP和/或TRP组数量为1个或2个或4个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于4个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为4。
●在CSI-RS资源对应的端口数量P为24的情况下，第一信息用于指示端口组数量N为1或2或3。即，在CSI-RS资源中包含24个端口的情况下，端口组数量为1或2或3；也即，用于传输的TRP和/或TRP组数量为1个或2个或3个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于3个TRP和/ 或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为3。
●在CSI-RS资源对应的端口数量P为32的情况下，第一信息用于指示端口组数量N为1或2或4。即，在CSI-RS资源中包含32个端口的情况下，端口组数量为1或2或4；也即，用于传输的TRP和/或TRP组数量为1个或2个或4个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于4个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为4。
此外，作为说明性质的，在CSI-RS资源对应的端口数量P为2的情况下，第一信息不显式指示端口组数量N，和/或，第一信息用于隐式指示端口组数量N为1。即，在CSI-RS资源中仅包含两个端口的情况下，端口组数量为1；也即，用于传输的TRP或TRP组数量为一个，终端与接入网设备之间基于单发送接收点(Single Transmission Reception Point，S-TRP)或单TRP组传输方式进行传输。在这种情况下，端口组数量N的可能情况只有1种，第一信息中不需要额外指示端口组数。
可选地，每个端口组中可以包含一个或多个端口。当每个端口组中的端口数为多个时，这些端口可以为连续的端口；或，这些端口可以为非连续的端口。即，端口组中的多个端口可能为连续端口，也可能为不连续的端口。
可选地，端口组与端口组内所包含的至少一个端口的对应规则由接入网设备配置；或，端口组与端口组内所包含的至少一个端口的对应规则由默认规则(例如通信协议)确定。即，端口组和端口组中的多个端口的对应规则可以为接入网设备配置的，也可以是基于预先设置的规则(例如通信协议)确定的。例如，接入网设备在接收到终端支持非连续的多个端口的能力信息后，为每个 端口组中配置非连续的多个端口；再例如，默认规则为将连续的8个端口配置为1个端口组，等等。本申请对端口组和至少一个端口之间的对应规则不加以限制。
可选地，终端还向接入网设备上报能力信息。其中，能力信息包括如下至少之一：支持端口组包含连续的至少两个端口；支持端口组包含非连续的至少两个端口。即，终端向接入网设备上报是否支持连续/非连续的多个端口，接入网设备根据终端上报的能力信息配置每个端口组中的多个端口为连续/非连续。
可选地，第一信息携带在如下至少一项中：RRC；MAC CE；DCI。第二信息携带在RRC中。即，在一些实施例中，RRC用于配置CSI-RS资源并指示端口数量P，MAC CE或DCI中携带有指示端口组数量N的信息。
需要注意的是，本申请对步骤320和步骤340的执行顺序没有限制。可以先执行步骤320，再执行步骤340；或者，先执行步骤340，再执行步骤320；或者，步骤320和步骤340同时执行。
综上所述，终端接收用于指示端口组数量的第一信息，以及用于指示端口数量的第二信息，实现对CSI-RS资源的配置，使配置后的CSI-RS资源满足对不同数量情况下的TRP和/或TRP组的CSI测量。由于不需要针对每个TRP或TRP组单独进行配置且第一信息中用于指示端口组数量的比特数不超过两个，因此减少了信令开销，同时也提升了基于TRP传输方式的传输性能。
图4示出了本申请一个实施例提供的CSI-RS资源的配置方法的流程图。该方法可以应用于图1所示的通信系统中的接入网设备。该方法包括如下步骤：
在步骤420中，发送第一信息。
接入网设备向终端发送配置信息。
第一信息用于指示一个CSI-RS资源对应的端口组数量N。
可选地，第一信息还用于指示该CSI-RS资源对应的端口数量P；或，接入网设备发送第二信息，第二信息用于指示该CSI-RS资源对应的端口数量P。即，该CSI-RS资源中包含的端口数量P可能与端口组数量N一起包含在第一信息中发送至终端，也可能在另外的第二信息中单独发送至终端。
可选地，每个端口组中的端口数量相同。即，将P个端口均分为N个端口组。
可选地，端口组数量N与TRP和/或TRP组的数量相等。即，P个端口对应的N个端口组，用于基于N个TRP和/或TRP组的M-TRP传输，每个端口组对应一个TRP或TRP组。其中，TRP组可以包含至少一个TRP，比如包含处在相同位置的两个TRP。本申请对此不作限制。
可选地，CSI-RS资源为非零功率CSI-RS资源。
可选地，第一信息携带在如下至少一项中：无线资源控制(Radio Resource Control，RRC)；媒体接入控制层控制元素(Medium Access Control Control Element，MAC CE)；下行控制信息(Downlink Control Information，DCI)。
在一些实施例中，针对包含的端口数量为P的CSI-RS资源，第一信息指示如下不同的端口组数量：
●在CSI-RS资源对应的端口数量P为4的情况下，第一信息用于指示端口组数量N为1或2。即，在CSI-RS资源中包含4个端口的情况下，端口组数量为1或2；也即，用于传输的TRP和/或TRP组数量为1个或2个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有2种，则第一信息中用于指示端口组数量N的比特数为1。例如，用于指示端口组数量的比特位为0时代表端口组数量N为1，用于指示端口组数量的比特位为1时代表端口组数量N为2。
●在CSI-RS资源对应的端口数量P为8的情况下，第一信息用于指示端口组数量N为1或2或4。即，在CSI-RS资源中包含8个端口的情况下，端口组数量为1或2或4；也即，用于传输的TRP和/或TRP组数量为1个或2个或4个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于4个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为4。
●在CSI-RS资源对应的端口数量P为12的情况下，第一信息用于指示端口组数量N为1或3。即，在CSI-RS资源中包含12个端口的情况下， 端口组数量为1或3；也即，用于传输的TRP和/或TRP组数量为1个或3个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于3个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有2种，则第一信息中用于指示端口组数量N的比特数为1。例如，用于指示端口组数量的比特位为0时代表端口组数量N为1，用于指示端口组数量的比特位为1时代表端口组数量N为3。
●在CSI-RS资源对应的端口数量P为16的情况下，第一信息用于指示端口组数量N为1或2或4。即，在CSI-RS资源中包含16个端口的情况下，端口组数量为1或2或4；也即，用于传输的TRP和/或TRP组数量为1个或2个或4个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于4个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为4。
●在CSI-RS资源对应的端口数量P为24的情况下，第一信息用于指示端口组数量N为1或2或3。即，在CSI-RS资源中包含24个端口的情况下，端口组数量为1或2或3；也即，用于传输的TRP和/或TRP组数量为1个或2个或3个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于3个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为3。
●在CSI-RS资源对应的端口数量P为32的情况下，第一信息用于指示端口组数量N为1或2或4。即，在CSI-RS资源中包含32个端口的情况下，端口组数量为1或2或4；也即，用于传输的TRP和/或TRP组数 量为1个或2个或4个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于4个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为4。
此外，作为说明性质的，在CSI-RS资源对应的端口数量P为2的情况下，第一信息不显式指示端口组数量N，和/或，第一信息用于隐式指示端口组数量N为1。即，在CSI-RS资源中仅包含两个端口的情况下，端口组数量为1；也即，用于传输的TRP或TRP组数量为一个，终端与接入网设备之间基于单发送接收点(Single Transmission Reception Point，S-TRP)或单TRP组传输方式进行传输。在这种情况下，端口组数量N的可能情况只有1种，第一信息中不需要额外指示端口组数。
可选地，每个端口组中可以包含一个或多个端口。当每个端口组中的端口数为多个时，这些端口可以为连续的端口；或，这些端口可以为非连续的端口。即，端口组中的多个端口可能为连续端口，也可能为不连续的端口。
可选地，端口组与端口组内所包含的至少一个端口的对应规则由接入网设备配置；或，端口组与端口组内所包含的至少一个端口的对应规则由默认规则(例如通信协议)确定。即，端口组和端口组中的多个端口的对应规则可以为接入网设备配置的，也可以是基于预先设置的规则(例如通信协议)确定的。例如，接入网设备在接收到终端支持非连续的多个端口的能力信息后，为每个端口组中配置非连续的多个端口；再例如，默认规则为将连续的8个端口配置为1个端口组，等等。本申请对端口组和至少一个端口之间的对应规则不加以限制。
可选地，终端还向接入网设备上报能力信息。其中，能力信息包括如下至少之一：支持端口组包含连续的至少两个端口；支持端口组包含非连续的至少两个端口。即，终端向接入网设备上报是否支持连续/非连续的多个端口，接入网设备根据终端上报的能力信息配置每个端口组中的多个端口为连续/非连续。
可选地，第一信息携带在如下至少一项中：RRC；MAC CE；DCI。
可选地，第二信息携带在RRC中。
即，在第一信息用于同时指示端口数P和端口组数N的情况下，端口数P和端口组数N的信息被携带在RRC、MAC CE、DCI中的至少一项中；在第一信息用于指示端口组数N，第二信息用于指示端口数P的情况下，端口组数N的信息被携带在MAC CE、DCI中的至少一项中，端口数P的信息被携带在RRC中。
综上所述，接入网设备发送用于指示端口组数量的第一信息，使得终端能够结合CSI-RS资源中包含的端口数量对CSI-RS资源进行配置，使配置后的CSI-RS资源满足对不同数量情况下的TRP和/或TRP组的CSI测量。由于不需要针对每个TRP或TRP组单独进行配置且接入网设备发送的第一信息中用于指示端口组数量的比特数不超过两个，因此减少了信令开销，也提升了基于TRP传输方式的传输性能。
由前述实施例可知，端口数量P可能被携带在第一信息中，也可能被携带在额外的第二信息中。以下以第二信息中携带有端口数量P为例进行说明。
图5示出了本申请一个实施例提供的CSI-RS资源的配置方法的流程图。该方法可以应用于图1所示的通信系统中的接入网设备。该方法包括如下步骤：
在步骤520中，发送第一信息。
接入网设备向终端发送第一信息。
第一信息用于指示一个CSI-RS资源对应的端口组数量N。
可选地，CSI-RS资源为非零功率CSI-RS资源。
可选地，N个端口组中的每个端口组包含的端口数量相同。即，将CSI-RS资源中所有的端口均分为N个端口组。
可选地，端口组数量N与TRP和/或TRP组的数量相等。即，CSI-RS资源中的N个端口组，用于基于N个TRP和/或TRP组的M-TRP传输，每个端口组对应一个TRP或TRP组。
在步骤540中，发送第二信息。
接入网设备向终端发送第二信息。
第二信息用于指示一个CSI-RS资源对应的端口数量P。
在一些实施例中，针对第二信息中指示的端口数量P，第一信息指示如下不 同的端口组数量N：
●在CSI-RS资源对应的端口数量P为4的情况下，第一信息用于指示端口组数量N为1或2。即，在CSI-RS资源中包含4个端口的情况下，端口组数量为1或2；也即，用于传输的TRP和/或TRP组数量为1个或2个，终端与接入网设备之间通过S-TRP或TRP组，或，基于2个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有2种，则第一信息中用于指示端口组数量N的比特数为1。例如，用于指示端口组数量的比特位为0时代表端口组数量N为1，用于指示端口组数量的比特位为1时代表端口组数量N为2。
●在CSI-RS资源对应的端口数量P为8的情况下，第一信息用于指示端口组数量N为1或2或4。即，在CSI-RS资源中包含8个端口的情况下，端口组数量为1或2或4；也即，用于传输的TRP和/或TRP组数量为1个或2个或4个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于4个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为4。
●在CSI-RS资源对应的端口数量P为12的情况下，第一信息用于指示端口组数量N为1或3。即，在CSI-RS资源中包含12个端口的情况下，端口组数量为1或3；也即，用于传输的TRP和/或TRP组数量为1个或3个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于3个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有2种，则第一信息中用于指示端口组数量N的比特数为1。例如，用于指示端口组数量的比特位为0时代表端口组数量N为1，用于指示端口组数量的比特位为1时代表端口组数量N为3。
●在CSI-RS资源对应的端口数量P为16的情况下，第一信息用于指示端口组数量N为1或2或4。即，在CSI-RS资源中包含16个端口的情况 下，端口组数量为1或2或4；也即，用于传输的TRP和/或TRP组数量为1个或2个或4个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于4个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为4。
●在CSI-RS资源对应的端口数量P为24的情况下，第一信息用于指示端口组数量N为1或2或3。即，在CSI-RS资源中包含24个端口的情况下，端口组数量为1或2或3；也即，用于传输的TRP和/或TRP组数量为1个或2个或3个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于3个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为3。
●在CSI-RS资源对应的端口数量P为32的情况下，第一信息用于指示端口组数量N为1或2或4。即，在CSI-RS资源中包含32个端口的情况下，端口组数量为1或2或4；也即，用于传输的TRP和/或TRP组数量为1个或2个或4个，终端与接入网设备之间通过S-TRP或单TRP组，或，基于2个TRP和/或TRP组的M-TRP，或，基于4个TRP和/或TRP组的M-TRP传输方式进行传输。在这种情况下，端口组数量N的可能情况有3种，则第一信息中用于指示端口组数量N的比特数为2。例如，用于指示端口组数量的比特位为00时代表端口组数量N为1，用于指示端口组数量的比特位为01时代表端口组数量N为2，用于指示端口组数量的比特位为10时代表端口组数量N为4。
此外，作为说明性质的，在CSI-RS资源对应的端口数量P为2的情况下，第一信息不显式指示端口组数量N，和/或，第一信息用于隐式指示端口组数量 N为1。即，在CSI-RS资源中仅包含两个端口的情况下，端口组数量为1；也即，用于传输的TRP或TRP组数量为一个，终端与接入网设备之间基于单发送接收点(Single Transmission Reception Point，S-TRP)或单TRP组传输方式进行传输。在这种情况下，端口组数量N的可能情况只有1种，第一信息中不需要额外指示端口组数。
可选地，每个端口组中可以包含一个或多个端口。当每个端口组中的端口数为多个时，这些端口可以为连续的端口；或，这些端口可以为非连续的端口。即，端口组中的多个端口可能为连续端口，也可能为不连续的端口。
可选地，端口组与端口组内所包含的至少一个端口的对应规则由接入网设备配置；或，端口组与端口组内所包含的至少一个端口的对应规则由默认规则(例如通信协议)确定。即，端口组和端口组中的多个端口的对应规则可以为接入网设备配置的，也可以是基于预先设置的规则(例如通信协议)确定的。例如，接入网设备在接收到终端支持非连续的多个端口的能力信息后，为每个端口组中配置非连续的多个端口；再例如，默认规则为将连续的8个端口配置为1个端口组，等等。本申请对端口组和至少一个端口之间的对应规则不加以限制。
可选地，终端还向接入网设备上报能力信息。其中，能力信息包括如下至少之一：支持端口组包含连续的至少两个端口；支持端口组包含非连续的至少两个端口。即，终端向接入网设备上报是否支持连续/非连续的多个端口，接入网设备根据终端上报的能力信息配置每个端口组中的多个端口为连续/非连续。
可选地，第一信息携带在如下至少一项中：RRC；MAC CE；DCI。第二信息携带在RRC中。即，在一些实施例中，RRC用于配置CSI-RS资源并指示端口数量P，MAC CE或DCI中携带有指示端口组数量N的信息。
需要注意的是，本申请对步骤520和步骤540的执行顺序没有限制。可以先执行步骤520，再执行步骤540；或者，先执行步骤540，再执行步骤520；或者，步骤520和步骤540同时执行。
综上所述，接入网设备向终端发送用于指示端口组数量的第一信息，以及用于指示端口数量的第二信息，实现对CSI-RS资源的配置，使配置后的CSI-RS资源满足对不同数量情况下的TRP和/或TRP组的CSI测量。由于不需要针对每个TRP或TRP组单独进行配置且第一信息中用于指示端口组数量的比特数不 超过两个，因此减少了信令开销，也提升了基于TRP传输方式的传输性能。
图6示出了本申请一个实施例提供的CSI-RS资源的配置方法的流程图。该方法可以应用于图1所示的通信系统。该方法包括如下步骤：
在步骤601中，终端上报能力信息。
示例性的，终端向接入网设备上报能力信息。其中，能力信息包括如下至少之一：支持端口组包含连续的至少一个端口；支持端口组包含非连续的至少一个端口。即，终端向接入网设备上报是否支持连续/非连续的多个端口，接入网设备根据终端上报的能力信息配置每个端口组中的多个端口为连续/非连续。
在步骤602中，接入网设备发送第一信息。
第一信息用于指示一个CSI-RS资源对应的端口组数量N。
可选地，CSI-RS资源为非零功率CSI-RS资源。
可选地，端口组数量N与TRP和/或TRP组的数量相等。即，CSI-RS资源中的N个端口组，用于基于N个TRP和/或TRP组的M-TRP传输，每个端口组对应一个TRP或TRP组。其中，TRP组可以包含至少一个TRP，比如包含处在相同位置的两个TRP。本申请对此不作限制。
可选地，第一信息携带在如下至少一项中：RRC；MAC CE；DCI。
在步骤603中，接入网设备发送第二信息。
第二信息携带在RRC中。
第二信息用于指示一个CSI-RS资源对应的端口数量P。
可选地，N个端口组中的每个端口组包含的端口数量相同。即，将CSI-RS资源中包含的P个端口均分为N个端口组。
针对不同的端口数量P，第一信息指示不同的端口组数量N的情况详见前述实施例，此处不再赘述。
需要注意的是，本申请对步骤602和步骤603的执行顺序没有限制。可以先执行步骤602，再执行步骤603；或者，先执行步骤603，再执行步骤602；或者，步骤602和步骤603同时执行。
需要注意的是，在一些实施例中，步骤603可以被省略；即步骤602接入网设备发送的第一信息中同时用于指示端口组数量N和端口数量P。
图7是本申请一个示例性实施例提供的CSI-RS资源的配置装置的结构框图，如图7所示，该装置包括：
第一接收模块720，用于接收第一信息，所述第一信息用于指示一个CSI-RS资源对应的端口组数量N。
在一种可能的设计中，所述第一信息还用于指示所述CSI-RS资源对应的端口数量P；或，所述装置还包括第二接收模块740，所述第二接收模块740，用于接收第二信息，所述第二信息用于指示所述CSI-RS资源对应的端口数量P。
在一种可能的设计中，在所述CSI-RS资源对应的端口数量P为4的情况下，所述第一信息用于指示所述端口组数量N为1或2。
在一种可能的设计中，所述第一信息中用于指示所述端口组数量N的比特数为1。
在一种可能的设计中，在所述CSI-RS资源对应的端口数量P为8的情况下，所述第一信息用于指示所述端口组数量N为1或2或4。
在一种可能的设计中，所述第一信息中用于指示所述端口组数量N的比特数为2。
在一种可能的设计中，在所述CSI-RS资源对应的端口数量P为12的情况下，所述第一信息用于指示所述端口组数量N为1或3。
在一种可能的设计中，所述第一信息中用于指示所述端口组数量N的比特数为1。
在一种可能的设计中，在所述CSI-RS资源对应的端口数量P为16的情况下，所述第一信息用于指示所述端口组数量N为1或2或4。
在一种可能的设计中，所述第一信息中用于指示所述端口组数量N的比特数为2。
在一种可能的设计中，在所述CSI-RS资源对应的端口数量P为24的情况下，所述第一信息用于指示所述端口组数量N为1或2或3。
在一种可能的设计中，所述第一信息中用于指示所述端口组数量N的比特数为2。
在一种可能的设计中，在所述CSI-RS资源对应的端口数量P为32的情况下，所述第一信息用于指示所述端口组数量N为1或2或4。
在一种可能的设计中，所述第一信息中用于指示所述端口组数量N的比特 数为2。
在一种可能的设计中，每个所述端口组中包含连续的至少一个端口；或，每个所述端口组中包含非连续的至少一个端口。
在一种可能的设计中，所述端口组和所述至少一个端口的对应规则由接入网设备配置；或，所述端口组和所述至少一个端口的对应规则由默认规则确定。
在一种可能的设计中，所述装置还包括上报模块760，所述上报模块760，用于上报能力信息。
在一种可能的设计中，所述能力信息包括如下至少之一：支持所述端口组包含连续的至少一个端口；支持所述端口组包含非连续的至少一个端口。
在一种可能的设计中，每个所述端口组中的端口数量相同。
在一种可能的设计中，所述端口组数量N与发送接收点TRP的数量相等。
在一种可能的设计中，所述CSI-RS资源为非零功率CSI-RS资源。
在一种可能的设计中，所述第一信息携带在如下至少一项中：无线资源控制RRC；媒体接入控制层控制元素MAC CE；下行控制信息DCI。
在一种可能的设计中，所述第二信息携带在RRC中。
图8是本申请一个示例性实施例提供的CSI-RS资源的配置装置的结构框图，如图8所示，该装置包括：
第一发送模块820，用于发送第一信息，所述第一信息用于指示一个CSI-RS资源对应的端口组数量N。
在一种可能的设计中，所述第一信息还用于指示所述CSI-RS资源对应的端口数量P；或，所述装置包括第二发送模块840，所述第二发送模块840，用于发送第二信息，所述第二信息用于指示所述CSI-RS资源对应的端口数量P。
在一种可能的设计中，在所述CSI-RS资源对应的端口数量P为4的情况下，所述第一信息用于指示所述端口组数量N为1或2。
在一种可能的设计中，所述第一信息中用于指示所述端口组数量N的比特数为1。
在一种可能的设计中，在所述CSI-RS资源对应的端口数量P为8的情况下，所述第一信息用于指示所述端口组数量N为1或2或4。
在一种可能的设计中，所述第一信息中用于指示所述端口组数量N的比特 数为2。
在一种可能的设计中，在所述CSI-RS资源对应的端口数量P为12的情况下，所述第一信息用于指示所述端口组数量N为1或3。
在一种可能的设计中，所述第一信息中用于指示所述端口组数量N的比特数为1。
在一种可能的设计中，在所述CSI-RS资源对应的端口数量P为16的情况下，所述第一信息用于指示所述端口组数量N为1或2或4。
在一种可能的设计中，所述第一信息中用于指示所述端口组数量N的比特数为2。
在一种可能的设计中，在所述CSI-RS资源对应的端口数量P为24的情况下，所述第一信息用于指示所述端口组数量N为1或2或3。
在一种可能的设计中，所述第一信息中用于指示所述端口组数量N的比特数为2。
在一种可能的设计中，在所述CSI-RS资源对应的端口数量P为32的情况下，所述第一信息用于指示所述端口组数量N为1或2或4。
在一种可能的设计中，所述第一信息中用于指示所述端口组数量N的比特数为2。
在一种可能的设计中，每个所述端口组中包含连续的至少一个端口；或，每个所述端口组中包含非连续的至少一个端口。
在一种可能的设计中，所述端口组和所述至少一个端口的对应规则由接入网设备配置；或，所述端口组和所述至少一个端口的对应规则由默认规则确定。
在一种可能的设计中，所述装置还包括接收模块860，所述接收模块860，用于接收终端上报的能力信息。
在一种可能的设计中，所述能力信息包括如下至少之一：支持所述端口组包含连续的至少一个端口；支持所述端口组包含非连续的至少一个端口。
在一种可能的设计中，每个所述端口组中的端口数量相同。
在一种可能的设计中，所述端口组数量N与发送接收点TRP的数量相等。
在一种可能的设计中，所述CSI-RS资源为非零功率CSI-RS资源。
在一种可能的设计中，所述第一信息携带在如下至少一项中：无线资源控制RRC；媒体接入控制层控制元素MAC CE；下行控制信息DCI。
在一种可能的设计中，所述第二信息携带在RRC中。
请参考图9，其示出了本申请一个实施例提供的终端1600的结构示意图。该终端1600可以包括：处理器1601、收发器1602以及存储器1603。
处理器1601包括一个或者一个以上处理核心，处理器1601通过运行软件程序以及模块，从而执行各种功能应用以及信息处理。
收发器1602可以包括接收器和发射器，比如，该接收器和发射器可以实现为同一个无线通信组件，该无线通信组件可以包括一块无线通信芯片以及射频天线。
存储器1603可以与处理器1601以及收发器1602相连。
存储器1603可用于存储处理器执行的计算机程序，处理器1601用于执行该计算机程序，以实现上述方法实施例中的无线通信系统中的终端执行的各个步骤。
此外，存储器1603可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，易失性或非易失性存储设备包括但不限于：磁盘或光盘，电可擦除可编程只读存储器，可擦除可编程只读存储器，静态随时存取存储器，只读存储器，磁存储器，快闪存储器，可编程只读存储器。
其中，收发器1602执行的过程可以参考上述方法中，由终端执行的各个步骤。
请参考图10，其示出了本申请一个实施例提供的接入网设备1700的结构示意图。该网络设备1700可以包括：处理器1701、收发器1702以及存储器1703。
处理器1701包括一个或者一个以上处理核心，处理器1701通过运行软件程序以及模块，从而执行各种功能应用以及信息处理。
收发器1702可以包括接收器和发射器。比如，该收发器1702可以包括一个有线通信组件，该有线通信组件可以包括一块有线通信芯片以及有线接口(比如光纤接口)。可选的，该收发器1702还可以包括一个无线通信组件，该无线通信组件可以包括一块无线通信芯片以及射频天线。
存储器1703可以与处理器1701以及收发器1702相连。
存储器1703可用于存储处理器执行的计算机程序，处理器1701用于执行 该计算机程序，以实现上述方法实施例中的无线通信系统中接入网设备执行的各个步骤。
此外，存储器1703可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，易失性或非易失性存储设备包括但不限于：磁盘或光盘，电可擦除可编程只读存储器，可擦除可编程只读存储器，静态随时存取存储器，只读存储器，磁存储器，快闪存储器，可编程只读存储器。
本申请实施例还提供了一种计算机可读存储介质，所述计算机可读存储介质中存储有至少一条指令、至少一段程序、代码集或指令集，所述至少一条指令、所述至少一段程序、所述代码集或所述指令集由处理器加载并执行以使得通信设备实现如上述的CSI-RS资源的配置方法。
本申请还提供了一种计算机程序产品，该计算机程序产品包括计算机指令，该计算机指令存储在计算机可读存储介质中。计算机设备的处理器从计算机可读存储介质读取该计算机指令，处理器执行该计算机指令，使得该计算机程序产品执行上述所示的方法中，由终端或者接入网设备执行的各个步骤。
本申请还提供了一种芯片，该芯片用于在计算机设备中运行，以使得所述计算机设备执行上述所示的方法中，由终端或者接入网设备执行的各个步骤。
本申请还提供了一种计算机程序，该计算机程序由计算机设备的处理器执行，安装有计算机程序的网络设备实现如上述所示的方法中，由终端或者接入网设备执行的各个步骤。
本领域技术人员应该可以意识到，在上述一个或多个示例中，本申请实施例所描述的功能可以用硬件、软件、固件或它们的任意组合来实现。当使用软件实现时，可以将这些功能存储在计算机可读介质中或者作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质，其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是通用或专用计算机能够存取的可用介质。
在本申请实施例使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本申请实施例。在本申请实施例和所附权利要求书中所使用的单数形式的“一种”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项 目的任何或所有可能组合。
应当理解，尽管在本申请实施例可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本申请实施例范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，如在此所使用的词语“如果”及“响应于”可以被解释成为“在……时”或“当……时”或“响应于确定”。
以上所述仅为本申请的示例性实施例，并不用以限制本申请，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (51)

  1. 一种信道状态信息参考信号CSI-RS资源的配置方法，其特征在于，所述方法由终端执行，所述方法包括：
    接收第一信息，所述第一信息用于指示一个CSI-RS资源对应的端口组数量N。
  2. 根据权利要求1所述的方法，其特征在于，
    所述第一信息还用于指示所述CSI-RS资源对应的端口数量P；
    或，
    接收第二信息，所述第二信息用于指示所述CSI-RS资源对应的端口数量P。
  3. 根据权利要求2所述的方法，其特征在于，
    在所述CSI-RS资源对应的端口数量P为4的情况下，所述第一信息用于指示所述端口组数量N为1或2。
  4. 根据权利要求3所述的方法，其特征在于，
    所述第一信息中用于指示所述端口组数量N的比特数为1。
  5. 根据权利要求2所述的方法，其特征在于，
    在所述CSI-RS资源对应的端口数量P为8的情况下，所述第一信息用于指示所述端口组数量N为1或2或4。
  6. 根据权利要求5所述的方法，其特征在于，
    所述第一信息中用于指示所述端口组数量N的比特数为2。
  7. 根据权利要求2所述的方法，其特征在于，
    在所述CSI-RS资源对应的端口数量P为12的情况下，所述第一信息用于指示所述端口组数量N为1或3。
  8. 根据权利要求7所述的方法，其特征在于，
    所述第一信息中用于指示所述端口组数量N的比特数为1。
  9. 根据权利要求2所述的方法，其特征在于，
    在所述CSI-RS资源对应的端口数量P为16的情况下，所述第一信息用于指示所述端口组数量N为1或2或4。
  10. 根据权利要求9所述的方法，其特征在于，
    所述第一信息中用于指示所述端口组数量N的比特数为2。
  11. 根据权利要求2所述的方法，其特征在于，
    在所述CSI-RS资源对应的端口数量P为24的情况下，所述第一信息用于指示所述端口组数量N为1或2或3。
  12. 根据权利要求11所述的方法，其特征在于，
    所述第一信息中用于指示所述端口组数量N的比特数为2。
  13. 根据权利要求2所述的方法，其特征在于，
    在所述CSI-RS资源对应的端口数量P为32的情况下，所述第一信息用于指示所述端口组数量N为1或2或4。
  14. 根据权利要求13所述的方法，其特征在于，
    所述第一信息中用于指示所述端口组数量N的比特数为2。
  15. 根据权利要求1至14任一所述的方法，其特征在于，
    每个所述端口组中包含连续的至少一个端口；
    或，
    每个所述端口组中包含非连续的至少一个端口。
  16. 根据权利要求15所述的方法，其特征在于，
    所述端口组和所述至少一个端口的对应规则由接入网设备配置；
    或，
    所述端口组和所述至少一个端口的对应规则由默认规则确定。
  17. 根据权利要求1至16任一所述的方法，其特征在于，所述方法还包括：
    上报能力信息。
  18. 根据权利要求17所述的方法，其特征在于，所述能力信息包括如下至少之一：
    支持所述端口组包含连续的至少一个端口；
    支持所述端口组包含非连续的至少一个端口。
  19. 根据权利要求1至18任一所述的方法，其特征在于，每个所述端口组中的端口数量相同。
  20. 根据权利要求1至19任一所述的方法，其特征在于，所述端口组数量N与发送接收点TRP的数量相等。
  21. 根据权利要求1至20任一所述的方法，其特征在于，
    所述CSI-RS资源为非零功率CSI-RS资源。
  22. 根据权利要求1至21任一所述的方法，其特征在于，所述第一信息携带在如下至少一项中：
    无线资源控制RRC；
    媒体接入控制层控制元素MAC CE；
    下行控制信息DCI。
  23. 根据权利要求2至21任一所述的方法，其特征在于，
    所述第二信息携带在RRC中。
  24. 一种信道状态信息参考信号CSI-RS资源的配置方法，其特征在于，所述方法由接入网设备执行，所述方法包括：
    发送第一信息，所述第一信息用于指示一个CSI-RS资源对应的端口组数量N。
  25. 根据权利要求24所述的方法，其特征在于，
    所述第一信息还用于指示所述CSI-RS资源对应的端口数量P；
    或，
    发送第二信息，所述第二信息用于指示所述CSI-RS资源对应的端口数量P。
  26. 根据权利要求25所述的方法，其特征在于，
    在所述CSI-RS资源对应的端口数量P为4的情况下，所述第一信息用于指示所述端口组数量N为1或2。
  27. 根据权利要求26所述的方法，其特征在于，
    所述第一信息中用于指示所述端口组数量N的比特数为1。
  28. 根据权利要求25所述的方法，其特征在于，
    在所述CSI-RS资源对应的端口数量P为8的情况下，所述第一信息用于指示所述端口组数量N为1或2或4。
  29. 根据权利要求28所述的方法，其特征在于，
    所述第一信息中用于指示所述端口组数量N的比特数为2。
  30. 根据权利要求25所述的方法，其特征在于，
    在所述CSI-RS资源对应的端口数量P为12的情况下，所述第一信息用于指示所述端口组数量N为1或3。
  31. 根据权利要求30所述的方法，其特征在于，
    所述第一信息中用于指示所述端口组数量N的比特数为1。
  32. 根据权利要求25所述的方法，其特征在于，
    在所述CSI-RS资源对应的端口数量P为16的情况下，所述第一信息用于指示所述端口组数量N为1或2或4。
  33. 根据权利要求32所述的方法，其特征在于，
    所述第一信息中用于指示所述端口组数量N的比特数为2。
  34. 根据权利要求25所述的方法，其特征在于，
    在所述CSI-RS资源对应的端口数量P为24的情况下，所述第一信息用于指示所述端口组数量N为1或2或3。
  35. 根据权利要求34所述的方法，其特征在于，
    所述第一信息中用于指示所述端口组数量N的比特数为2。
  36. 根据权利要求25所述的方法，其特征在于，
    在所述CSI-RS资源对应的端口数量P为32的情况下，所述第一信息用于指示所述端口组数量N为1或2或4。
  37. 根据权利要求36所述的方法，其特征在于，
    所述第一信息中用于指示所述端口组数量N的比特数为2。
  38. 根据权利要求24至37任一所述的方法，其特征在于，
    每个所述端口组中包含连续的至少一个端口；
    或，
    每个所述端口组中包含非连续的至少一个端口。
  39. 根据权利要求38所述的方法，其特征在于，
    所述端口组和所述至少一个端口的对应规则由接入网设备配置；
    或，
    所述端口组和所述至少一个端口的对应规则由默认规则确定。
  40. 根据权利要求24至39任一所述的方法，其特征在于，所述方法还包括：
    接收终端上报的能力信息。
  41. 根据权利要求40所述的方法，其特征在于，所述能力信息包括如下至少之一：
    支持所述端口组包含连续的至少一个端口；
    支持所述端口组包含非连续的至少一个端口。
  42. 根据权利要求24至41任一所述的方法，其特征在于，每个所述端口组中的端口数量相同。
  43. 根据权利要求24至42任一所述的方法，其特征在于，所述端口组数量N与发送接收点TRP的数量相等。
  44. 根据权利要求24至43任一所述的方法，其特征在于，
    所述CSI-RS资源为非零功率CSI-RS资源。
  45. 根据权利要求24至44任一所述的方法，其特征在于，所述第一信息携带在如下至少一项中：
    无线资源控制RRC；
    媒体接入控制层控制元素MAC CE；
    下行控制信息DCI。
  46. 根据权利要求24至44任一所述的方法，其特征在于，
    所述第二信息携带在RRC中。
  47. 一种信道状态信息参考信号CSI-RS资源的配置装置，其特征在于，所述装置包括：
    第一接收模块，用于接收第一信息，所述第一信息用于指示一个CSI-RS资源对应的端口组数量N。
  48. 一种信道状态信息参考信号CSI-RS资源的配置装置，其特征在于，所述装置包括：
    第一发送模块，用于发送第一信息，所述第一信息用于指示一个CSI-RS资源对应的端口组数量N。
  49. 一种终端，其特征在于，所述终端包括：处理器；与所述处理器相连的收发器；其中，所述处理器被配置为加载并执行可执行指令以实现如权利要求1至23任一所述的CSI-RS资源的配置方法。
  50. 一种接入网设备，其特征在于，所述接入网设备包括：处理器；与所述处理器相连的收发器；其中，所述处理器被配置为加载并执行可执行指令以实现如权利要求24至46任一所述的CSI-RS资源的配置方法。
  51. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有至少一条指令、至少一段程序、代码集或指令集，所述至少一条指令、所述至少一段程序、所述代码集或所述指令集由处理器加载并执行以实现如权利要求1至23任一所述的CSI-RS资源的配置方法，或，实现如权利要求24至46任一所述的CSI-RS资源的配置方法。
PCT/CN2022/111908 2022-08-11 2022-08-11 Csi-rs资源的配置方法、装置、设备及介质 WO2024031570A1 (zh)

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