WO2023025250A1 - 一种通信方法、通信装置及电子设备 - Google Patents

一种通信方法、通信装置及电子设备 Download PDF

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Publication number
WO2023025250A1
WO2023025250A1 PCT/CN2022/114864 CN2022114864W WO2023025250A1 WO 2023025250 A1 WO2023025250 A1 WO 2023025250A1 CN 2022114864 W CN2022114864 W CN 2022114864W WO 2023025250 A1 WO2023025250 A1 WO 2023025250A1
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WIPO (PCT)
Prior art keywords
csi report
message
channel measurement
csi
measurement resources
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PCT/CN2022/114864
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English (en)
French (fr)
Inventor
王化磊
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北京紫光展锐通信技术有限公司
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Publication of WO2023025250A1 publication Critical patent/WO2023025250A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports

Definitions

  • the present application relates to the technical field of communication, and in particular to a communication method, communication device and electronic equipment.
  • a wireless communication system between a user equipment (UE) and a network device
  • the user equipment needs to measure and report channel state information to the network device ( channel state information, CSI).
  • channel state information can make the wireless communication system adapt to the current channel condition, and guarantee the high communication quality of the multi-antenna system supporting MIMO technology.
  • the coordinated multipoint transmission (CoMP) technology is gradually known because it can effectively solve the inter-cell interference problem and improve the throughput of edge users.
  • the application of coherent joint transmission (CJT) scheme is gradually spreading.
  • the prior art has not provided specific configuration information about CSI measurement. Therefore, a specific configuration and measurement mechanism for CSI measurement of the coherent joint transmission scheme need to be proposed urgently.
  • Embodiments of the present application provide a communication method, a communication device, and electronic equipment, which can effectively solve the specific configuration and measurement problems of CSI measurement under the coherent joint transmission scheme, and are beneficial to the application of the coherent joint transmission scheme.
  • the present application provides a communication method.
  • the method is applied to user equipment.
  • the method includes: receiving a first message.
  • the first message includes CSI report configuration information
  • the CSI report configuration information includes a target codebook type
  • the target codebook type is a codebook type of a coherent joint transmission scheme.
  • Send the second message is a CSI report
  • the CSI report is obtained by the user equipment based on the first message.
  • the CSI report includes a codebook, and a codebook type of the codebook is the target codebook type.
  • the so-called CSI report in the above implementation manner includes a codebook.
  • the CSI report includes a precoding matrix indicator (precoding matrix indicator, PMI).
  • PMI precoding matrix indicator
  • the CSI report includes a codebook indicated by the PMI.
  • the CSI report contains the PMI belonging to the codebook, or it can be understood that the CSI report contains the codebook indication, or it can be understood that the CSI report contains the precoding matrix indicated by the PMI, or it can be understood that the CSI report contains the PMI belonging to the codebook.
  • the indicated precoding matrix can also be understood as that the CSI report includes the PMI indicating the codebook, or that the CSI report includes the PMI indicating the precoding matrix belonging to the codebook.
  • the first message further includes CSI measurement resource information, and the CSI measurement resource information includes N1 channel measurement resources.
  • N1 is a positive integer greater than or equal to 1.
  • the CSI measurement resource information includes N2 channel measurement resource sets, and each channel measurement resource set in the N2 channel measurement resource sets contains one or more Channel measurement resources, the total number of channel measurement resources included in the N2 channel measurement resource sets is N1.
  • N2 is a positive integer greater than or equal to 1.
  • the total number of ports of one or more channel measurement resources included in any one of the N2 channel measurement resource sets is less than or equal to 32.
  • the first message further includes a first threshold
  • the CSI report includes indication information of N3 channel measurement resources
  • the N3 channel measurement resources are A difference between channel measurement results corresponding to any two channel measurement resources or an absolute value of the difference is less than or equal to the first threshold.
  • N3 is less than or equal to N1.
  • the CSI measurement resource information does not include the interference measurement resource associated with the CSI report configuration information.
  • the CSI measurement resource information includes one or more interference measurement resources associated with the CSI report configuration information
  • the N1 channel measurement resources include N4 first channel measurement resources, and the N4 first channel measurement resources are Channel measurement resources other than the N5 second channel measurement resources, the indication information of the N5 second channel measurement resources is included in the CSI report, and the N4 first channel measurement resources are used as interference measurement resources for CSI measurement of the user equipment.
  • one or more interference measurement resources associated with the CSI report configuration information included in the CSI measurement resource information are not used for CSI measurement of the user equipment.
  • the indication information of the N1 channel measurement resources is included in the CSI report, and the CSI report configuration information contained in the CSI measurement resource information is associated with One or more interference measurement resources are used for CSI measurement of the user equipment.
  • the coherent joint transmission solution is implemented based on multiple stations.
  • the present application provides a communication method, which can be applied to a network device.
  • the method includes: sending a first message.
  • the first message includes CSI report configuration information
  • the CSI report configuration information includes at least a target codebook type
  • the target codebook type is a codebook type of a coherent joint transmission scheme.
  • receiving a second message where the second message includes a CSI report, and the CSI report is obtained by the user equipment based on the first message.
  • the CSI report includes a codebook, and a codebook type of the codebook is the target codebook type.
  • the so-called CSI report in the above implementation manner includes a codebook.
  • the CSI report includes a precoding matrix indicator (precoding matrix indicator, PMI).
  • PMI precoding matrix indicator
  • the CSI report includes a codebook indicated by the PMI.
  • the CSI report contains the PMI belonging to the codebook, or it can be understood that the CSI report contains the codebook indication, or it can be understood that the CSI report contains the precoding matrix indicated by the PMI, or it can be understood that the CSI report contains the PMI belonging to the codebook.
  • the indicated precoding matrix can also be understood as that the CSI report includes the PMI indicating the codebook, or that the CSI report includes the PMI indicating the precoding matrix belonging to the codebook.
  • the first message further includes CSI measurement resource information, and the CSI measurement resource information includes N1 channel measurement resources, where N1 is greater than or equal to 1 positive integer.
  • the CSI measurement resource configuration information includes N2 channel measurement resource sets, and each channel measurement resource set in the N2 channel measurement resource sets contains one or more channel measurement resources, and the total number of channel measurement resources included in all the channel measurement resource sets in the N2 channel measurement resource sets is N1.
  • the total number of ports of one or more channel measurement resources included in any channel measurement resource set is less than or equal to 32.
  • the first message further includes a first threshold
  • the CSI report includes indication information of N3 channel measurement resources
  • the N3 channel measurement resources are A difference or an absolute value of the channel measurement results corresponding to any two channel measurement resources is less than or equal to the first threshold, and N3 is less than or equal to N1.
  • the CSI measurement resource configuration information does not include the interference measurement resources associated with the CSI report configuration information.
  • the CSI measurement resource configuration information includes one or more interference measurement resources associated with the CSI report configuration information.
  • the N1 channel measurement resources include N4 first channel measurement resources, and the N4 first channel measurement resources are Channel measurement resources other than the N5 second channel measurement resources, the indication information of the N5 second channel measurement resources is included in the CSI report, and the N4 first channel measurement resources are used as interference measurement resources for CSI measurement of the user equipment.
  • one or more interference measurement resources associated with the CSI report configuration information contained in the CSI measurement resource configuration information are not used for CSI measurement of the user equipment.
  • the indication information of the N1 channel measurement resources is included in the CSI report, and the CSI report configuration information contained in the CSI measurement resource information is associated with One or more interference measurement resources are used for CSI measurement of the user equipment.
  • the network device includes multiple stations.
  • the present application provides a communication device, where the communication device may be a user equipment.
  • the communication device includes: a transceiver unit and a processing unit.
  • the transceiver unit is used for receiving the first message.
  • the first message includes CSI report configuration information
  • the CSI report configuration information includes at least a target codebook type
  • the target codebook type is a codebook type of a coherent joint transmission scheme.
  • the processing unit is configured to obtain a CSI report based on the first message.
  • the transceiver unit is also used to send a second message. Wherein, the second message includes a CSI report.
  • the present application provides a communication device, and the communication device may be a network device.
  • the communication device includes: a processing unit and a transceiver unit.
  • the processing unit is used to generate the first message.
  • the first message includes CSI report configuration information
  • the CSI report configuration information includes at least a target codebook type
  • the target codebook type is a codebook type of a coherent joint transmission scheme.
  • the transceiver unit is used to send the first message.
  • the transceiver unit is also used for receiving the second message.
  • the second message includes a CSI report, and the CSI report is obtained by the user equipment based on the first message.
  • the present application further provides a chip, and the chip may be a chip in the user equipment itself or in the user equipment.
  • the chip can be used for: receiving a first message.
  • the first message includes CSI report configuration information
  • the CSI report configuration information includes at least a target codebook type
  • the target codebook type is a codebook type of a coherent joint transmission scheme.
  • Send the second message is a CSI report
  • the CSI report is obtained by the user equipment based on the first message.
  • the present application further provides a chip, and the chip may be a chip in the present application or the network device of the network device.
  • the chip is used for: sending the first message.
  • the first message includes CSI report configuration information
  • the CSI report configuration information includes at least a target codebook type
  • the target codebook type is a codebook type of a coherent joint transmission scheme.
  • Receive the second message includes a CSI report, and the CSI report is obtained by the user equipment based on the first message.
  • the present application also provides a module device.
  • the module device includes a transceiver module, a power supply module, a storage module and a chip module.
  • the transceiver module is used for receiving the first message.
  • the first message includes CSI report configuration information
  • the CSI report configuration information includes at least a target codebook type
  • the target codebook type is a codebook type of a coherent joint transmission scheme.
  • the power supply module is used to provide electric energy for the module device.
  • the storage module is used to store data and instructions.
  • the chip module is configured to: obtain a CSI report based on the first message.
  • the transceiver module is also used to send the second message. Wherein, the second message includes the CSI report.
  • the present application also provides a module device, which includes a transceiver module, a power supply module, a storage module, and a chip module.
  • the power supply module is used to provide electric energy for the module device.
  • the storage module is used to store data and instructions.
  • the chip module is used for: generating a first message.
  • the first message includes CSI report configuration information
  • the CSI report configuration information includes at least a target codebook type
  • the target codebook type is a codebook type of a coherent joint transmission scheme.
  • the transceiver module is used to send the first message.
  • the transceiver module is also used for receiving the second message.
  • the second message includes a CSI report, and the CSI report is obtained by the user equipment based on the first message.
  • the present application further provides an electronic device, which may include a processor, a memory, and a transceiver, and the processor, the memory, and the transceiver are connected to each other.
  • the memory is used to store a computer program comprising program instructions.
  • the processor is configured to call the program instruction to execute the communication method according to any one of the above first aspect, or to execute the communication method according to any one of the above second aspect.
  • the present application further provides a computer-readable storage medium.
  • Computer-readable instructions are stored in the computer storage medium, and when the computer-readable instructions are run on the communication device, the communication device is made to execute the communication method provided in the above-mentioned first aspect and any possible implementation thereof, or , executing the communication method provided in the above second aspect and any possible implementation manner thereof.
  • FIG. 1 is a schematic structural diagram of a wireless communication system provided by an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a communication method provided in an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a communication device provided in an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of an electronic device provided in an embodiment of the present application.
  • Fig. 5 is a schematic structural diagram of a module device provided by an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a wireless communication system provided by an embodiment of the present application.
  • the wireless communication system mainly includes a network device 10 and a user device 20 , and a multi-site coherent joint transmission scheme is adopted between the network device 10 and the user device 20 to realize uplink and downlink transmission of data or signaling.
  • the network device 10 may be composed of multiple stations, such as station 1, station 2 to station N shown in FIG. 1 .
  • N is a positive integer greater than or equal to.
  • the N stations will cooperate to serve the user equipment 20 .
  • the N stations are equivalent to one network device 10, and they are also sending and receiving data or signaling for the network device 10.
  • the network device 10 will be used to describe the above N stations.
  • the multi-site coherent joint transmission involved in this application can be joint coherent transmission of multiple sites, or can be sent from different sites for different data belonging to the same physical downlink shared channel (PDSCH).
  • PDSCH physical downlink shared channel
  • multiple sites can also be virtualized into one site for transmission.
  • names with the same meaning specified in other standards are also applicable to this application, that is, this application does not limit the names of these scenarios.
  • the stations involved in this application may be a remote radio head (remote radio head, RRH) and/or a transmission reception point (transmission reception point, TRP).
  • RRH remote radio head
  • TRP transmission reception point
  • the coherent joint transmission scheme involved in this application can be implemented based on multiple remote radio heads RRH or multiple transmitting and receiving points TRP.
  • the above-mentioned transmitting and receiving point TRP may specifically be a base station (base station, BS).
  • base station is a device deployed in a wireless access network to provide wireless communication functions.
  • the equipment providing base station function in 2G network includes base transceiver station (base transceiver station, BTS) and base station controller (base station controller, BSC), and the equipment providing base station function in 3G network includes node B (NodeB) and wireless Network controller (radio network controller, RNC), the device that provides base station function in 4G network includes evolved node B (evolved NodeB, eNB), in wireless local area network (wireless local area networks, WLAN), provides base station function
  • the device is an access point (AP), the device that provides base station function in 5G New Radio (New Radio, NR), including the node B (gNB) that continues to evolve, and the device that provides base station function in the new communication system in the future wait.
  • This application does not limit the specific implementation form of the site.
  • the user equipment involved in the present application may be various types of equipment that provide voice and/or data connectivity to users, for example, it may be a handheld device with a wireless connection function, or a processing device connected to a wireless modem.
  • it may include mobile phones (or "cellular" phones), computers with mobile terminals, portable, pocket, hand-held, computer built-in or vehicle-mounted mobile devices, smart wearable devices, and the like.
  • PCS personal communication service
  • cordless telephone session initiation protocol (session initiation protocol, SIP) telephone
  • wireless local loop (wireless local loop, WLL) station personal digital assistant (personal digital assistant, PDA), smart bracelets, smart watches and other devices.
  • PDA personal digital assistant
  • constrained devices such as devices with low power consumption, or devices with limited storage capabilities, or devices with limited computing capabilities, etc.
  • Another example includes barcodes, radio frequency identification (radio frequency identification, RFID), sensors, global positioning system (global positioning system, GPS), laser scanners and other information sensing devices.
  • chips used in the above-mentioned devices may also be referred to as user equipment. This application does not specifically limit the specific implementation form of the user equipment.
  • the above-mentioned wireless communication system may specifically be a 5G (5generation) communication system supporting a coherent joint transmission scheme, a 2G, 3G, or 4G communication system supporting a coherent joint transmission scheme, or a satellite communication system supporting a coherent joint transmission scheme , and may also be various communication systems that support the subsequent evolution of the coherent joint transmission scheme, such as 6G, 7G, etc., which are not specifically limited in this application.
  • 5G 5generation
  • 2G, 3G, or 4G communication system supporting a coherent joint transmission scheme or a satellite communication system supporting a coherent joint transmission scheme
  • various communication systems that support the subsequent evolution of the coherent joint transmission scheme, such as 6G, 7G, etc., which are not specifically limited in this application.
  • the prior art has not provided specific configuration information about channel state information (CSI) measurement. Therefore, the technical problem to be solved in this application is to provide a processing method for channel state information (CSI) measurement of the coherent joint transmission scheme, so as to improve the applicability and practicability of the coherent joint transmission scheme in the wireless communication system.
  • CSI channel state information
  • FIG. 2 is a schematic flowchart of a communication method provided in an embodiment of the present application. As shown in Figure 2, the method includes steps:
  • the network device generates a first message including CSI report configuration information.
  • the network device 10 may generate a first message including at least CSI report configuration information.
  • the first message may be used by the user equipment 20 to perform CSI measurement and reporting.
  • the above CSI report configuration information includes at least one target codebook type, and the target codebook type is the codebook type of the coherent joint transmission scheme.
  • the target codebook type may be a codebook type under the assumption of a coherent joint transmission scheme. It should be noted here that the target codebook type is the codebook type of the coherent joint transmission scheme, and it can be understood that the target codebook type is suitable for the joint coherent transmission scheme.
  • the network device 10 can generate a CSI configuration rule suitable for The CSI report configuration information of the user equipment 20 .
  • the CSI report configuration information is mainly used to inform the user equipment 20 how to report the CSI report obtained based on the above-mentioned first message.
  • the above CSI report configuration information should include at least one target codebook type of the coherent joint transmission scheme, so that the subsequent CSI reports reported by the user equipment 20 include the target codebook type.
  • the above target codebook type may specifically be typeII-r18, typeII-PortSelection-r18, typeI-MultiPanel-r18, typeI-r18 and other codebook types applicable to the coherent joint transmission scheme. It should be understood here that the above is only an exemplary description of the target codebook type. In actual use, the target codebook type can also be any other codebook type suitable for coherent joint transmission schemes, and this application does not make any Specific restrictions.
  • the CSI report configuration information may include codebook configuration information, and the target codebook type may be included in the codebook configuration information.
  • the above target codebook type may also be used as an indicator to inform the user equipment 20 that CSI measurement should be performed based on the assumption of a coherent joint transmission scheme, so as to obtain a CSI report.
  • the user equipment 20 extracts the above-mentioned target codebook type from the above-mentioned CSI report configuration information, it can determine that it should perform CSI measurement based on the assumption of a coherent joint transmission scheme, so as to obtain a CSI report.
  • the CSI report reported by the subsequent user equipment includes a codebook
  • the codebook type of the codebook is the target codebook type.
  • the so-called CSI report contains a codebook, which can be understood as the CSI report reported by the user equipment 20 contains the PMI, or can be understood as the CSI report contains the codebook indicated by the PMI, or can be understood as the CSI report contains the codebook that belongs to the codebook.
  • the CSI report contains the codebook indication, it can also be understood that the CSI report contains the precoding matrix indicated by the PMI, and it can also be understood that the CSI report contains the precoding matrix indicated by the PMI belonging to the codebook.
  • the CSI report includes the PMI indicating the codebook, and it can also be understood that the CSI report includes the PMI indicating the precoding matrix belonging to the codebook.
  • the first message may further include CSI measurement resource information, and the CSI measurement resource information includes N1 channel measurement resources.
  • N1 is a positive integer greater than or equal to 1.
  • the above N1 channel measurement resources can be used for subsequent user equipment 20 to perform CSI measurement and calculation.
  • each of the above N1 channel measurement resources may specifically be information such as time domain resources and frequency domain resources corresponding to the SSB or CSI reference signal (ie, CSI-RS).
  • the above CSI measurement resource information may include N2 channel measurement resource sets, each of the N2 channel measurement resource sets contains one or more channel measurement resources, and the N2 channel measurement resource sets contain The total number of included channel measurement resources is N1.
  • the above N2 is a positive integer greater than or equal to 1.
  • the above-mentioned N1 channel measurement resources exist in the above-mentioned CSI measurement resource information in the form of N2 channel measurement resource sets, and one or more channel measurement resources among the above-mentioned N1 channel measurement resources constitute a A set of channel measurement resources.
  • the total number of ports of one or more channel measurement resources contained in any one of the above N2 channel measurement resource sets should be less than or equal to 32. For example, assuming that the channel measurement resource set A in the N2 channel measurement resource sets includes 5 channel measurement resources, the total number of ports for these 5 channel measurement resources should not exceed 32.
  • the total number of ports of one or more channel measurement resources contained in a part of the above-mentioned N2 channel measurement resource sets should be less than or equal to 32, and the other part of the above-mentioned N2 channel measurement resource sets
  • the total number of ports of each channel measurement resource in the measurement resource set may not be specifically limited.
  • the above-mentioned first message may further include a preset threshold (for convenience of distinction, the description will be replaced by the first threshold below).
  • the first threshold may be used to determine the indication information of the channel measurement resource included in the CSI report reported by the user equipment. For example, assuming that the CSI report reported by the user equipment contains indication information of N3 channel measurement resources, the difference or the absolute value of the channel measurement results corresponding to any two channel measurement resources among the N3 channel measurement resources All are less than or equal to the above-mentioned first threshold.
  • the aforementioned N3 channel measurement resources are part or all of the aforementioned N1 channel measurement resources, that is, N3 is less than or equal to N1.
  • the indication information of channel measurement resources involved in this application is information that can uniquely indicate channel measurement resources.
  • This indication information can be information in any form of implementation, such as binary numbers and symbols with different values. This application There is no specific limitation on the implementation form of the indication information of the channel measurement resources.
  • the measurement results corresponding to the above channel measurement resources may specifically be reference signal received power (reference signal received power, RSRP), reference signal received quality (reference signal received quality, RSRQ), signal to noise ratio (signalto noise ratio, SNR) and other parameters, the present application does not specifically limit this.
  • reference signal received power reference signal received power
  • RSRQ reference signal received quality
  • SNR signal to noise ratio
  • the above CSI measurement resource information may not include the interference measurement resource associated with the above CSI report configuration information.
  • the interference measurement resource may specifically be a CSI interference measurement resource (that is, (CSI-interference measurement, CSI-IM)).
  • the above-mentioned CSI measurement resource information may not include the interference measurement resources associated with the above-mentioned CSI report configuration information, and it may be understood that the above-mentioned CSI measurement resource information may not include the interference measurement resources.
  • the above CSI measurement resource information may include one or more interference measurement resources associated with the above CSI report configuration information.
  • the above CSI measurement resource information may include one or more interference measurement resources associated with the above CSI report configuration information, it may be understood that the above CSI measurement resource information may include one or more interference measurement resources.
  • the above one or more interference measurement resources may also exist in the above CSI measurement resource information in the form of an interference measurement resource set.
  • N6 is a positive integer greater than or equal to 1. That is to say, in a specific implementation, the above CSI measurement resource information may include one or more interference measurement resource sets, and each interference measurement resource set may contain one or more interference measurement resources, and the one or more interference measurement resources The total number of interference measurement resources included in the measurement resource set is N6.
  • the N1 channel measurement resources include N4 first channel measurement resources, and the N4 first channel measurement resources may be used as interference measurement resources.
  • the N4 first channel measurement resources are channel measurement resources other than the N5 second channel measurement resources among the above N1 channel measurement resources.
  • the indication information of the above N5 second channel measurement resources is included in the CSI report reported by the user equipment 20 .
  • the above N1 channel measurement resources include channel measurement resource R1, channel measurement resource R2, channel measurement resource R3 and channel measurement resource R4, the corresponding indication information is r1, r2, r3 and r4 respectively.
  • the user equipment 20 subsequently determines that the channel measurement resource R2, the channel measurement resource R3, and the channel measurement resource R4 are the channel measurement resources that need to be reported, that is, the CSI report sent subsequently contains the above-mentioned indication information r2, r3, and r4, then the above-mentioned The channel measurement resource R2, the channel measurement resource R3, and the channel measurement resource R4 are the second channel measurement resource, and the channel measurement resource R1 is the first channel measurement resource. Therefore, in the subsequent CSI measurement process, the user equipment 20 can use the channel measurement resource R1 as an interference measurement resource to perform interference measurement.
  • the above-mentioned N5 second channel measurement resources are equivalent to the aforementioned N3 channel measurement resources.
  • the above-mentioned N5 second channel measurement resources may be the channel measurement resources that need to be reported, determined by the user equipment 20 from the above-mentioned N1 channel resources through other preset rules .
  • the present application does not specifically limit the manner in which the user equipment 20 determines the foregoing N5 second channel measurement resources.
  • the above N1 channel measurement resources include the above N4 first channel measurement resources
  • the above CSI measurement resource information also includes one or more If there are two interference measurement resources
  • the one or more interference measurement resources may not be used for the CSI measurement performed by the user equipment 20. That is to say, in the case that N4 first channel measurement resources and one or more interference measurement resources associated with CSI report configuration information exist at the same time, the user equipment 20 may only use these N4 first channel measurement resources as interference measurement resources. Resources are used to perform interference measurements to obtain the interference measurement results required for generating the CSI report.
  • the one or more interference measurement resources may also be used by the user equipment 20 to perform CSI measurements.
  • the network device sends the first message to the user equipment.
  • the user equipment receives the first message.
  • the network device 10 may send the first message to the user equipment 20 .
  • the network device 10 may send the foregoing first message through high-level information (such as RRC information, etc.). Alternatively, the network device 10 may also trigger the user equipment 20 to perform CSI measurement and reporting through downlink control information (downlink control information, DCI) carried by a physical downlink control channel (physical downlink control channel, PDCCH).
  • DCI downlink control information
  • PDCCH physical downlink control channel
  • the user equipment 20 may receive the first message from the network equipment 10 .
  • the user equipment obtains the CSI report based on the first message.
  • the user equipment 20 can analyze the above-mentioned first message based on the corresponding communication protocol, so as to extract various configuration information contained in the above-mentioned first message or Resource information, such as the above-mentioned CSI report configuration information, CSI measurement resource information, and the like. Then, the user equipment 20 can perform corresponding CSI measurement based on various configuration information and resource information included in the first message, and further generate a corresponding CSI report.
  • the user equipment 20 when it extracts the above-mentioned target codebook type from the above-mentioned first message, it may determine that a coherent joint transmission scheme should be used to perform CSI measurement subsequently.
  • the N1 channel measurement resources can be respectively The channel measurement resources measure parameters such as SNR or RSRP, and determine the obtained results as channel measurement results corresponding to each channel measurement resource. It should be noted that the channel measurement results described here are not limited to the aforementioned SNR or RSRP, and may also include RSRQ, etc., which are not specifically limited in this application.
  • the user equipment 20 when the user equipment 20 also extracts the above-mentioned first threshold from the above-mentioned first message, after measuring the measurement results corresponding to each channel measurement resource in the above-mentioned N1 channel measurement resources, it can calculate and obtain any two channel measurement resources respectively. The difference or the absolute value of the channel measurement results corresponding to the resources. Then, the user equipment may select N3 channel measurement resources from the N1 channel measurement resources based on the difference or the absolute value of the difference of channel measurement results corresponding to any two channel measurement resources in the N1 channel measurement resources. Here, the difference or the absolute value of the difference between the channel measurement results corresponding to any two channel measurement resources among the N3 channel measurement resources is less than or equal to the first threshold. Then, the user equipment 20 may determine that the N3 channel measurement resources are the channel measurement resources that it needs to report, that is, its subsequent CSI report should include indication information corresponding to the above N3 channel measurement resources.
  • the corresponding indication information is r1, r2, r3 and r4 respectively, and the corresponding channel measurement result They are SNR1, SNR2, SNR3 and SNR4, respectively.
  • the user equipment 20 may determine the channel measurement resource R1 and the channel measurement resource R2 as the channel measurement resources that need to be reported, and the subsequent CSI report shall include the two indication information of r1 and r2.
  • the user equipment 20 when the user equipment 20 extracts one or more interference measurement resources associated with the CSI report configuration information from the above-mentioned first message, and determines that there are N4 first channel measurement resources among the above-mentioned N1 channel measurement resources, The user equipment 20 may perform interference measurement based only on the foregoing N4 first channel measurement resources and obtain corresponding interference measurement results. One or more interference measurement resources associated with the above CSI report configuration information may not be used.
  • the N4 first channel measurement resources reference may be made to the foregoing, so details will not be repeated here.
  • the user equipment 20 may base on the above-mentioned first
  • the CSI report included in the message configures one or more interference measurement resources associated with the information to perform interference measurement and obtain corresponding interference measurement results.
  • the user equipment 20 may also complete other related measurement processes based on the first message, which will not be listed one by one in this application.
  • the user equipment 20 After the user equipment 20 completes all CSI measurement processes based on the above-mentioned first message and obtains corresponding measurement results, it can further calculate and obtain the CSI report that it needs to report based on these measurement results.
  • the CSI report includes the CSI calculated by the user equipment 20, and the CSI mainly includes a channel quality indicator (channel quality indicator, CQI), a precoding matrix indicator (precoding matrix indicator, PMI), CSI reference signal resources Indicator (CSI-RS resource indicator, CRI), SSB resource indicator (SS/PBCH block resource indicator, SSBRI), layer indicator (layer indicator, LI), rank indicator (rank indicator, RI) and other information one or more items.
  • the specific content contained in the CSI report may be indicated by the CSI report configuration information contained in the first message above, and this application does not limit the specific content contained in the CSI report reported by the user equipment 20 .
  • the user equipment generates a second message including the CSI report.
  • the user equipment 20 after calculating and obtaining the above CSI report, the user equipment 20 generates the second message including the above CSI report.
  • the user equipment sends the second message to the network device.
  • the network device receives the second message.
  • the user equipment 20 may feed back the second message to the network device 10 .
  • the user equipment 20 may send the above-mentioned second message to the above-mentioned network device 10 through channels such as a physical uplink control channel (physical uplink control channel, PUCCH), a physical uplink shared channel (physical uplink shared channel, PUSCH).
  • channels such as a physical uplink control channel (physical uplink control channel, PUCCH), a physical uplink shared channel (physical uplink shared channel, PUSCH).
  • PUCCH physical uplink control channel
  • PUSCH physical uplink shared channel
  • the network device 10 may receive the second message from the user equipment 20, and extract the above-mentioned CSI report from the above-mentioned second message. Then, the network device 10 may perform resource scheduling adjustment and/or beam management and other operations based on the CSI report. It should be understood that the present application does not specifically limit how the network device 10 uses the above CSI reporting process.
  • the network device 10 configures the target codebook type applicable to the coherent joint transmission scheme and other relevant information for the user equipment 20 to obtain the CSI report for the user equipment 20 through the first message, which solves the problem of coherent joint transmission.
  • the specific configuration and measurement issues of CSI measurement under the transmission scheme are beneficial to the application of the coherent joint transmission scheme.
  • FIG. 3 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • the communication device 30 can be used to implement the functions of the user equipment 20 .
  • the communication means may be the user equipment 20 itself or a means for the user equipment 20 .
  • the device used for the user equipment 20 may also be a chip system or a chip in the communication device 30 .
  • the system-on-a-chip may consist of chips, or may include chips and other discrete devices.
  • the communication device 30 may include a transceiver unit 31 and a processing unit 32 . in:
  • the transceiver unit 31 is used for receiving the first message.
  • the first message includes CSI report configuration information
  • the CSI report configuration information includes at least a target codebook type
  • the target codebook type is a codebook type of a coherent joint transmission scheme.
  • the processing unit 32 is configured to obtain a CSI report based on the first message.
  • the transceiver unit 31 is also used for sending the second message.
  • the second message includes a CSI report.
  • the CSI report includes a codebook
  • the codebook type of the codebook is the above-mentioned target codebook type.
  • the first message further includes CSI measurement resource information
  • the CSI measurement resource information includes N1 channel measurement resources, where N1 is a positive integer greater than or equal to 1.
  • the CSI measurement resource information includes N2 channel measurement resource sets, and each channel measurement resource set in the N2 channel measurement resource sets contains one or more channel measurement resources, so The total number of channel measurement resources included in the N2 channel measurement resource sets is N1, where N2 is a positive integer greater than or equal to 1.
  • the total number of ports of one or more channel measurement resources included in any channel measurement resource set is less than or equal to 32.
  • the first message further includes a first threshold
  • the CSI report includes indication information of N3 channel measurement resources, and any two channel measurement resources in the N3 channel measurement resources The difference or the absolute value of the difference of the channel measurement results corresponding to the resource is less than or equal to the first threshold, and N3 is less than or equal to N1.
  • the CSI measurement resource information does not include the interference measurement resource associated with the CSI report configuration information.
  • the CSI measurement resource information includes one or more interference measurement resources associated with the CSI report configuration information.
  • the N1 channel measurement resources include N4 first channel measurement resources, and the N4 first channel measurement resources are the N5 second channel measurement resources divided by the N1 channel measurement resources.
  • one or more interference measurement resources associated with the CSI report configuration information contained in the CSI measurement resource information are not used for CSI measurement by the processing unit 32 .
  • the indication information of the N1 channel measurement resources is included in the CSI report, and one or more interferences associated with the CSI report configuration information included in the CSI measurement resource information
  • the measurement resources are used for CSI measurement by the processing unit 32 .
  • the coherent joint transmission solution is implemented based on multiple stations.
  • the communication device 30 may also be used to realize the function of the network device 10 .
  • the communication device may be the network device 10 itself or a device of the network device 10 .
  • the device used in the network device 10 may also be a chip system or a chip in the communication device 30 .
  • the system-on-a-chip may consist of chips, or may include chips and other discrete devices. specific:
  • the processing unit 32 is configured to generate the first message.
  • the first message includes CSI report configuration information
  • the CSI report configuration information includes at least a target codebook type
  • the target codebook type is a codebook type of a coherent joint transmission scheme.
  • the transceiver unit 31 is configured to send the first message.
  • the transceiving unit 31 is further configured to receive the second message.
  • the second message includes a CSI report, and the CSI report is obtained by the user equipment based on the first message.
  • the CSI report includes a codebook
  • the codebook type of the codebook is the above-mentioned target codebook type.
  • the first message further includes CSI measurement resource information
  • the CSI measurement resource information includes N1 channel measurement resources, where N1 is a positive integer greater than or equal to 1.
  • the CSI measurement resource configuration information includes N2 channel measurement resource sets, and each channel measurement resource set in the N2 channel measurement resource sets includes one or more channel measurement resources, The total number of channel measurement resources included in all the channel measurement resource sets in the N2 channel measurement resource sets is N1.
  • the total number of ports of one or more channel measurement resources included in any channel measurement resource set is less than or equal to 32.
  • the first message further includes a first threshold
  • the CSI report includes indication information of N3 channel measurement resources
  • any of the N3 channel measurement resources The difference between the channel measurement results corresponding to the two channel measurement resources or the absolute value of the difference is less than or equal to the first threshold, and N3 is less than or equal to N1.
  • the CSI measurement resource configuration information does not include the interference measurement resources associated with the CSI report configuration information.
  • the CSI measurement resource configuration information includes one or more interference measurement resources associated with the CSI report configuration information.
  • the N1 channel measurement resources include N4 first channel measurement resources, and the N4 first channel measurement resources are the N5 second channel measurement resources divided by the N1 channel measurement resources.
  • Channel measurement resources other than channel measurement resources the indication information of the N5 second channel measurement resources is included in the CSI report, and the N4 first channel measurement resources are used as interference measurement resources for the user equipment CSI measurement.
  • one or more interference measurement resources associated with the CSI report configuration information contained in the CSI measurement resource configuration information are not used for CSI measurement of the user equipment.
  • the indication information of the N1 channel measurement resources is included in the CSI report, and one or more interferences associated with the CSI report configuration information included in the CSI measurement resource information
  • the measurement resource is used for CSI measurement of the user equipment.
  • the foregoing transceiver unit 31 and processing unit 32 may be implemented by multiple stations.
  • FIG. 4 is a schematic structural diagram of an electronic device provided in an embodiment of the present application.
  • the electronic device 40 includes a processor 401 , a memory 402 , a transceiver 403 and a bus system 404 .
  • processor 401 the above-mentioned processor 401 , memory 402 and transceiver 403 are connected through a bus system 404 .
  • the memory 402 is used to store programs. Specifically, the program may include program code, and the program code includes computer operation instructions.
  • the memory 402 includes but is not limited to random access memory (random access memory, RAM), read-only memory (read-only memory, ROM), erasable programmable read-only memory (erasable programmable read only memory, EPROM), or Portable read-only memory (compact disc read-only memory, CD-ROM). Only one memory is shown in FIG. 4 , of course, there may be multiple memories as required.
  • the memory 402 may also be a memory in the processor 401, which is not limited here.
  • the memory 402 stores the following elements, executable modules or data structures, or their subsets, or their extended sets:
  • Operation instructions include various operation instructions for realizing various operations.
  • Operating system includes various system programs for implementing various basic services and processing hardware-based tasks.
  • processor 401 controls the operation of electronic device 40
  • processor 401 can be one or more central processing unit (central processing unit, CPU), under the situation that processor 401 is a CPU, this CPU can be single-core CPU, It can also be a multi-core CPU.
  • CPU central processing unit
  • bus system 404 various components of the electronic device 40 are coupled together through a bus system 404, wherein the bus system 404 may include a power bus, a control bus, and a status signal bus, etc. in addition to a data bus.
  • bus system 404 may include a power bus, a control bus, and a status signal bus, etc. in addition to a data bus.
  • the various buses are labeled as bus system 404 in FIG. 4 .
  • FIG. 4 it is only schematically drawn in FIG. 4 .
  • the method of the user equipment 20 disclosed in the above embodiment, or the method of the network device 10 disclosed in the above embodiment, may be applied to the processor 401 or implemented by the processor 401 .
  • the processor 401 may be an integrated circuit chip and has signal processing capability. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 401 or instructions in the form of software.
  • the above-mentioned processor 401 may be a general-purpose processor, a digital signal processor (digital signal processing, DSP), an application specific integrated circuit (application specific integrated circuit, ASIC), a field-programmable gate array (field-programmable gate array, FPGA) or Other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, and the like.
  • the steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • the storage medium is located in the memory 402, and the processor 401 reads the information in the memory 402, and executes the method in FIG. 3 or FIG. 5, or the user equipment 20 disclosed in the above-mentioned embodiments, or the network device 10 disclosed in the above-mentioned embodiments, in combination with its hardware. Methods.
  • FIG. 5 is a schematic structural diagram of a module device provided by an embodiment of the present application.
  • the module device 50 can execute the relevant steps of the user device 20 in the foregoing method embodiments.
  • the module device 50 includes: a transceiver module 501 , a power module 502 , a storage module 503 , and a chip module 504 .
  • the power supply module 502 is used to provide electric energy for the module device 50; the storage module 503 is used to store data and instructions; the transceiver module 501 is used for internal communication of the module device 50, or It is used for the module device 50 to communicate with external devices.
  • the transceiver module 501 is used to receive the first message.
  • the first message includes CSI report configuration information, and the CSI report configuration information includes at least a target codebook type, and the target codebook type is a codebook type of a coherent joint transmission scheme.
  • the chip module 504 is configured to: obtain a CSI report based on the first message.
  • the transceiver module 501 is also used to send the second message. Wherein, the second message includes the CSI report.
  • chip module 504 can also be combined with the transceiver module 501 to implement other steps or functions performed by the user equipment 20 in a method for processing channel state information CSI measurement provided in this application.
  • the above-mentioned chip module 504 can also be combined with the transceiver module 501 to implement other steps or functions performed by the user equipment 20 in a method for processing channel state information CSI measurement provided in this application.
  • the transceiver module 501 can also be combined with the transceiver module 501 to implement other steps or functions performed by the user equipment 20 in a method for processing channel state information CSI measurement provided in this application.
  • the above-mentioned chip module 504 can also be combined with the transceiver module 501 to implement other steps or functions performed by the user equipment 20 in a method for processing channel state information CSI measurement provided in this application.
  • the previous implementation please refer to the previous implementation.
  • descriptions of the functions of the user equipment 20 will not be repeated here.
  • the module device 50 can also execute the relevant steps of the network device 10 in the foregoing method embodiments.
  • the power supply module 502 is used to provide electric energy for the module device 50; the storage module 503 is used to store data and instructions; the transceiver module 501 is used for internal communication of the module device 50, or It is used for the module device 50 to communicate with external devices.
  • the chip module 504 is configured to: generate a first message. Wherein, the first message includes CSI report configuration information, and the CSI report configuration information includes at least a target codebook type, and the target codebook type is a codebook type of a coherent joint transmission scheme.
  • the transceiver module 501 is used to send the first message.
  • the transceiver module 501 is also used for receiving the second message. Wherein, the second message includes a CSI report, and the CSI report is obtained by the user equipment based on the first message.
  • chip module 504 can also be combined with the transceiver module 501 to implement other steps or functions performed by the network device 10 in a method for processing channel state information CSI measurement provided in this application.
  • the above-mentioned chip module 504 can also be combined with the transceiver module 501 to implement other steps or functions performed by the network device 10 in a method for processing channel state information CSI measurement provided in this application.
  • the description of the functions of the network device 10 will not be repeated here.
  • the embodiment of the present application further provides a chip, which can execute the relevant steps of the user equipment 20 in the foregoing method embodiments.
  • this chip is used in:
  • a first message is received, wherein the first message includes CSI report configuration information, the CSI report configuration information includes at least a target codebook type, and the target codebook type is a codebook type of a coherent joint transmission scheme.
  • sending a second message where the second message includes a CSI report, and the CSI report is obtained by the user equipment based on the first message.
  • the above chip can also implement other steps or functions performed by the user equipment 20 in a method for processing channel state information (CSI) measurement provided in this application.
  • CSI channel state information
  • the embodiment of the present application further provides a chip, which can execute the relevant steps of the network device 10 in the foregoing method embodiments.
  • this chip is used in:
  • the first message includes CSI report configuration information
  • the CSI report configuration information includes at least a target codebook type
  • the target codebook type is a codebook type of a coherent joint transmission scheme.
  • Receive the second message includes a CSI report, and the CSI report is obtained by the user equipment based on the first message.
  • the above chip can also implement other steps or functions performed by the network device 10 in a method for processing channel state information (CSI) measurement provided in this application.
  • CSI channel state information
  • the embodiment of the present application also provides a computer-readable storage medium, the computer-readable storage medium stores instructions, and when it runs on the processor, the CSI corresponding to the user equipment 20 or the network equipment 10 in the above method embodiment Measured processing methods are implemented.
  • the embodiment of the present application also provides a computer program product.
  • the computer program product runs on a processor, the method for processing the CSI measurement corresponding to the user equipment 20 or the network device 10 in the above method embodiments is implemented.

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Abstract

本申请公开了一种通信方法、通信装置及电子设备,该方法包括:接收第一消息。这里,该第一消息中包含CSI报告配置信息,该CSI报告配置信息中包括目标码本类型,该目标码本类型为支持相干联合传输方案的码本类型。发送第二消息。这里,该第二消息包含CSI报告,该CSI报告由用户设备基于第一消息进行CSI测量得到。采用本申请提供通信方法,可有效解决针对相干联合传输方案下的CSI测量的具体配置及测量的问题,有利于相干联合传输方案应的应用。

Description

一种通信方法、通信装置及电子设备 技术领域
本申请涉及通信技术领域,尤其涉及一种通信方法、通信装置及电子设备。
背景技术
在用户设备(user equipment,UE)与网络设备之间的无线通信系统中,为了支持动态调度以及下行的多输入多输出(MIM0)传输技术,用户设备需要测量并向网络设备上报信道状态信息(channel state information,CSI)。信道状态信息可以使该无线通信系统适应当前的信道条件,为支持MIM0技术的多天线系统的高通信质量提供了保障。
而随着MIM0技术的不断普及,由于能够有效解决小区间干扰问题并提升边缘用户吞吐量,协同多点传输(coordinated multipoint transmission,CoMP)技术逐渐被人们所熟知。而作为协同多点传输技术的主流方案之一,相干联合传输(coherent joint transmission,CJT)方案的应用也逐渐铺展开来。然而,针对基于相干联合传输方案实现的无线通信系统,现有技术还未提出关于信道状态信息CSI测量的具体配置信息。因此,一种针对相干联合传输方案的信道状态信息CSI测量的具体配置以及测量机制亟待被提出。
发明内容
本申请实施例提供一种通信方法、通信装置及电子设备,可有效解决针对相干联合传输方案下CSI测量的具体配置以及测量的问题,有利于相干联合传输方案应的应用。
第一方面,本申请提供了一种通信方法。该方法应用于用户设备。该方法包括:接收第一消息。其中,所述第一消息中包含CSI报告配置信息,所述CSI报告配置信息中包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型。发送第二消息。其中,所述第二消息包含CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
结合第一方面,在一种可选的实现方式中,所述CSI报告包含码本,所述码本的码本类型为所述目标码本类型。
可以理解的是,上述实现方式所谓的CSI报告包含码本,可以理解为CSI报告包含预编码矩阵指示(precoding matrix indicator,PMI),也可以理解为CSI报告包含PMI所指示的码本,也可以理解为CSI报告包含属于码本的PMI,也可以理解为CSI报告包含码本指示,也可以理解为CSI报告包含PMI所指示的预编码矩阵,也可以理解为CSI报告包含属于码本的PMI所指示的预编码矩阵,也可以理解为CSI报告包含指示码本的PMI,也可以理解为CSI报告包含指示属于码本的预编码矩阵的PMI。
结合第一方面,在一种可选的实现方式中,所述第一消息还包括CSI测量资源信息,所述CSI测量资源信息中包括N1个信道测量资源。其中,N1为大于或者等于1的正整数。
结合第一方面,在一种可选的实现方式中,所述CSI测量资源信息中包含N2个信道测量资源集,所述N2个信道测量资源集中的每个信道测量资源集中包含一个或者多个信道测量资源,所述N2个信道测量资源集所包含的信道测量资源的总个数为N1。其中,N2为大于或者等于1的正整数。
结合第一方面,在一种可选的实现方式中,上述N2个信道测量资源集中任一信道测量资源集中所包含的一个或者多个信道测量资源的端口的总个数小于或者等于32。
结合第一方面,在一种可选的实现方式中,所述第一消息还包括第一阈值,所述CSI报告包含有N3个信道测量资源的指示信息,所述N3个信道测量资源中的任意两个信道测量资源对应的信道测量结果的差值或者差值的绝对值小于或者等于所述第一阈值。N3小于或者等于N1。
结合第一方面,在一种可选的实现方式中,所述CSI测量资源信息中不包含所述CSI报告配置信息关联的干扰测量资源。
结合第一方面,在一种可选的实现方式中,所述CSI测量资源信息中包含所述CSI报告配置信息关联的一个或多个干扰测量资源
结合第一方面,在一种可选的实现方式中,所述N1个信道测量资源中包括N4个第一信道测量资源,所述N4个第一信道测量资源为所述N1个信道测量资源中除N5个第二信道测量资源以外的信道测量资源,所述N5个第二信道测量资源的指示信息包含于所述CSI报告中,所述N4个第一信道测量资源作为干扰测量资源以用于所述用户设备的CSI测量。
结合第一方面,在一种可选的实现方式中,所述CSI测量资源信息中包含的所述CSI报告配置信息关联的一个或者多个干扰测量资源不用于所述用户设备的CSI测量。
结合第一方面,在一种可选的实现方式中,所述N1个信道测量资源的指示信息包含于所述CSI报告中,所述CSI测量资源信息中包含的所述CSI报告配置信息关联的一个或者多个干扰测量资源用于所述用户设备的CSI测量。
结合第一方面,在一种可选的实现方式中,所述相干联合传输方案基于多个站点实施。
第二方面,本申请提供了一种通信方法,该方法可应用于网络设备。该方法包括:发送第一消息。其中,所述第一消息中包含CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型。接收第二消息,其中,所述第二消息包括CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
结合第二方面,在一种可选的实现方式中,所述CSI报告包含码本,所述码本的码本类型为所述目标码本类型。
可以理解的是,上述实现方式所谓的CSI报告包含码本,可以理解为CSI报告包含预编码矩阵指示(precoding matrix indicator,PMI),也可以理解为CSI报告包含PMI所指示的码本,也可以理解为CSI报告包含属于码本的PMI,也可以理解为CSI报告包含码本指示,也可以理解为CSI报告包含PMI所指示的预编码矩阵,也可以理解为CSI报告包含属于码本的PMI所指示的预编码矩阵,也可以理解为CSI报告包含指示码本的PMI,也可以理解为CSI报告包含指示属于码本的预编码矩阵的PMI。
结合第二方面,在一种可选的实现方式中,所述第一消息还包括CSI测量资源信息,所述CSI测量资源信息中包括N1个信道测量资源,其中,N1为大于或者等于1的正整数。
结合第二方面,在一种可选的实现方式中,所述CSI测量资源配置信息中包含N2个信道测量资源集,所述N2个信道测量资源集中的每个信道测量资源集中包含一个或者多个信道测量资源,所述N2个信道测量资源集中的所有信道测量资源集所包含的信道测量资源的总数为N1。
结合第二方面,在一种可选的实现方式中,任一信道测量资源集中所包含的一个或者多个信道测量资源的端口的总个数小于或者等于32。
结合第二方面,在一种可选的实现方式中,所述第一消息还包括第一阈值,所述CSI报告包含有N3个信道测量资源的指示信息,所述N3个信道测量资源中的任意两个信道测量资源对应的信道测量结果的差值或者差值的绝对值小于或者等于所述第一阈值,N3小于或者等于N1。
结合第二方面,在一种可选的实现方式中,所述CSI测量资源配置信息中不包含所述CSI报告配置信息关联的干扰测量资源。
结合第二方面,在一种可选的实现方式中,所述CSI测量资源配置信息中包含所述CSI报告配置信息关联的一个或者多个干扰测量资源。
结合第二方面,在一种可选的实现方式中,所述N1个信道测量资源中包括N4个第一信道测量资源,所述N4个第一信道测量资源为所述N1个信道测量资源中除N5个第二信道测量资源以外的信道测量资源,所述N5个第二信道测量资源的指示信息包含于所述CSI报告中,所述N4个第一信道测量资源作为干扰测量资源以用于所述用户设备的CSI测量。
结合第二方面,在一种可选的实现方式中,所述CSI测量资源配置信息中包含的所述CSI报告配置信息关联的一个或者多个干扰测量资源不用于所述用户设备的CSI测量。
结合第二方面,在一种可选的实现方式中,所述N1个信道测量资源的指示信息包含于所述CSI报告中,所述CSI测量资源信息中包含的所述CSI报告配置信息关联的一个或者多个干扰测量资源用于所述用户设备的CSI测量。
结合第二方面,在一种可选的实现方式中,所述网络设备包括多个站点。
第三方面,本申请提供了一种通信装置,该通信装置可以为用户设备。该通信装置包括:收发单元和处理单元。收发单元用于接收第一消息。其中,所述第一消息中包含CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型。处理单元用于基于所述第一消息得到CSI报告。该所述收发单元还用于发送第二消息。其中,该第二消息包括CSI报告。
第四方面,本申请提供了一种通信装置,该通信装置可以为网络设备。该通信装置包括:处理单元和收发单元。处理单元用于生成第一消息。其中,所述第一消息中包含CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型。收发单元用于发送所述第一消息。所述收发单元还用于接收所述第二消息。其中,所述第二消息包括CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
第五方面,本申请还提供了一种芯片,该芯片可以为用户设备本身或者用户设备中的芯片。该芯片可以用于:接收第一消息。其中,所述第一消息中包含CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型。发送第二消息。其中,所述第二消息包含CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
第六方面,本申请还提供了一种芯片,该芯片可以为网络设备本申请或者网络设备中的芯片。该芯片用于:发送第一消息。其中,所述第一消息中包含CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型。接收第二消息。其中,所述第二消息包括CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
第七方面,本申请还提供了一种模组设备。所述模组设备包括收发模组、电源模组、存储模组以及芯片模组。所述收发模组用于接收第一消息。其中,所述第一消息中包含CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型。所述电源模组用于为所述模组设备提供电能。所述存储模组用于存储数据和指令。所述芯片模组用于:基于所述第一消息得到CSI报告。所述收发模组还用于发送第二消息。其中,所述第二消息包括所述CSI报告。
第八方面,本申请还提供了一种模组设备,所述模组设备包括收发模组、电源模组、存储模组以及芯片模组。所述电源模组用于为所述模组设备提供电能。所述存储模组用于存储数据和指令。所述芯片模组用于:生成第一消息。其中,所述第一消息中包含CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型。所述收发模组用于发送所述第一消息。所述收发模组还用于接收第二消息。其中,所述第二消息包括CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
第九方面,本申请还提供了一种电子设备,该电子设备可包括处理器、存储器和收发器,所述处理器、所述存储器和所述收发器相互连接。所述存储器用于存储计算机程序,所述计算机程序包括程序指令。所述处理器被配置用于调用所述程序指令,以执行如上述第一方面中任一项所述的通信方法,或者,执行如上述第二方面中任一项所述的通信方法。
第十方面,本申请还提供了一种计算机可读存储介质。该计算机存储介质中存储有计算机可读指令,当该计算机可读指令在通信装置上运行时,使得该通信装置执行如上述第一方面及其任意一种可能实现方式所提供的通信方法,或者,执行如上述第二方面及其任意一种可能实现方式所提供的通信方法。
上述第三方面至第十方面提供的方案,用于实现或配合实现上述第一方面或者第二方面提供的通信方法,因此可以与第一方面或者第二方面达到相同或相应的有益效果,此处不再进行赘述。
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是本申请实施例提供的一种无线通信系统的结构示意图;
图2是本申请实施例提供的一种通信方法的流程示意图;
图3是本申请实施例提供的一种通信装置的结构示意图;
图4是本申请实施例提供的一种电子设备的结构示意图;
图5是本申请实施例提供的一种模组设备的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
在这里专用的词“示例性”意为“用作例子、实施例或说明性”。这里作为“示例性”所说明的任何实施例不必解释为优于或好于其它实施例。
另外,为了更好的说明本公开,在下文的具体实施方式中给出了众多的具体细节。本领域技术人员应当理解,没有某些具体细节,本公开同样可以实施。在一些实例中,对于本领域技术人员熟知的方法、手段、元件和电路未作详细描述,以便于凸显本公开的主旨。
请参见图1,图1是本申请实施例提供的一种无线通信系统的结构示意图。如图1所示,该无线通信系统主要包括网络设备10和用户设备20,并且,网络设备10和用户设备20之间采用多站点相干联合传输方案实现数据或者信令的上行和下行传输。具体的,该网络设备10可由多个站点组成,如图1中所示的站点1、站点2到站点N。这里,N为大于或者等于的正整数。这N个站点会协同为用户设备20进行服务。应理解,对于用户设备20而言,这N个站点即等同于一个网络设备10,其也是针对网络设备10在进行数据或者信令的收发。后文为了方便理解和表述,将统一以网络设备10来描述上述N个站点。
需要说明的是,本申请涉及的多站点相干联合传输,可以为多个站点联合相干传输,也可以为属于同一个物理下行共享信道(physical downlink shared channel,PDSCH)的不同数据从不同的站点发送到终端设备,还可以为多个站点虚拟成一个站点进行传输。应理解,其他标准中规定的相同含义的名称也同样适用于本申请,即本申请并不限制这些场景的名称。
在实际实现中,本申请涉及的站点(如前文站点1到站点N)可以是射频拉远头(remote radio head,RRH)和/或发送接收点(transmission reception point,TRP)。换一句话说,就是本申请涉及的相干联合传输方案可以基于多个射频拉远头RRH或者多个发射及接收点TRP来实现。这里,上述发送接收点TRP具体可以是基站(base station,BS)。所谓的基站是一种部署在无线接入网用以提供无线通信功能的装置。例如在2G网络中提供基站功能的设备包括基地无线收发站(base transceiver station,BTS)和基站控制器(base station controller,BSC),3G网络中提供基站功能的设备包括节点B(NodeB)和无线网络控制器(radio network controller,RNC),在4G网络中提供基站功能的设备包括演进的节点B(evolved NodeB,eNB),在无线局域网络(wireless local area networks,WLAN)中,提供基站功能的设备为接入点(access point,AP),5G新无线(New Radio,NR)中的提供基站功能的设备包括继续演进的节点B(gNB),以及未来新的通信系统中提供基站功能的设备等。本申请对站点的具体实现形式不作限定。
本申请涉及的用户设备可以是向用户提供语音和/或数据连通性的各类设备,例如可以是具有无线连接功能的手持式设备、或连接到无线调制解调器的处理设备。例如,可以包括移动电话(或称为“蜂窝”电话),具有移动终端的计算机,便携式、袖珍式、手持式、计算机内置的或者车载的移动装置,智能穿戴式设备等。例如,个人通信业务(personal communication service,PCS)电话、无绳电话、会话发起协议(session initiation protocol,SIP)话机、无线本地环路(wireless local loop,WLL)站、个人数字助理(personal digital assistant,PDA)、智能手环、智能手表等设备。还包括受限设备,例如功耗较低的设备,或存储能力有限的设备,或计算能力有限的设备等。又例如,包括条码、射频识别(radio frequency identification,RFID)、传感器、全球定位系统(global positioning system,GPS)、激光扫描器等信息传感设备。此外,应用于上述设备中的芯片也可以称为用户设备。本申请对用户设备的具体实现形式不作具体限制。
另外,上述无线通信系统具体可以是支持相干联合传输方案的5G(5generation)通信系统,还可以是支持相干联合传输方案的2G、3G、4G通信系统,还可是支持相干联合传输方案的卫星通信系统,还可以是支持相干联合传输方案的后续演进的各种通信系统,例如6G,7G等,本申请对此不作具体限制。
由于针对图1所示的无线通信系统,现有技术还未提出关于信道状态信息CSI测量的具体配置信息。因此,本申请要解决的技术问题是,提供一种针对相干联合传输方案的信道状态信息CSI测量的处理方法,以提升相干联合传输方案在无线通信系统中的适用性和实用性。
请参见图2,图2是本申请实施例提供的一种通信方法的流程示意图。如图2所示,该方法包括步骤:
S21,网络设备生成包含CSI报告配置信息的第一消息。
在一些可选的实现方式中,当网络设备10确定需要用户设备20进行CSI测量时,网络设备10可生成一个至少包含有CSI报告配置信息的第一消息。这里,该第一消息可用于用户设备20进行CSI测量和上报。上述CSI报告配置信息中至少包含一个目标码本类型,并且该目标码本类型为相干联合传输方案的码本类型。换一句话说,就是该目标码本类型可以为相干联合传输方案假设下的码本类型。这里需说明的是,所述该目标码本类型为相干联合传输方案的码本类型,可以理解为,所述目标码本类型适用于联合相干传输方案。
具体实现中,在计划或者确定与用户设备20采用相干联合传输方案进行无线通信的情况下,网络设备10可以基于其与用户设备20之间网络状态信息以及预置的CSI配置规则来生成适用于用户设备20的CSI报告配置信息。这个CSI报告配置信息主要用于告知用户设备20后续该如何上报其基于上述第一消息得到CSI报告。特别的,由于采用的是相干联合传输方案,所以上述CSI报告配置信息应至少包括一个相干联合传输方案的目标码本类型,以使得后续用户设备20上报的CSI报告中包括该目标码本类型。
示例性的,上述目标码本类型具体可以为适用于相干联合传输方案的typeII-r18、typeII-PortSelection-r18、typeI-MultiPanel-r18、typeI-r18等码本类型。这里应理解,前文仅为针对目标码本类型的示例性表述,在实际使用中,该目标码本类型也可以是其他任意一种适用于相干联合传输方案的码本类型,本申请对此不作具体限制。
在一种可选的实现方式中,上述CSI报告配置信息中可包括码本配置信息,上述目标码本类型可包含于上述码本配置信息中。
在一种可选的实现方式中,上述目标码本类型也可以作为一种指示标识,来告知用户设备20应基于相干联合传输方案假设进行CSI测量,从而获得CSI报告。换一句话说,就是当用户设备20在上述CSI报告配置信息中提取到上述目标码本类型时,即可确定其应基于相干联合传输方案假设进行CSI测量,从而获得CSI报告。
因此,可以理解到的是,后续用户设备上报的CSI报告包含码本,并且该码本的码本类型为所述目标码本类型。需要说明的是,所谓的CSI报告包含码本,可以理解为用户设备20上报的CSI报告包含PMI,也可以理解为CSI报告包含PMI所指示的码本,也可以理解为CSI报告包含属于码本的PMI,也可以理解为CSI报告包含码本指示,也可以理解为CSI报告包含PMI所指示的预编码矩阵,也可以理解为CSI报告包含属于码本的PMI所指示的预编码矩阵,也可以理解为CSI报告包含指示码本的PMI,也可以理解为CSI报告包含指示属于码本的预编码矩阵的PMI。
在一种可选的实现方式中,上述第一消息中还可包括CSI测量资源信息,并且该CSI测量资源信息中包括有N1个信道测量资源。这里,N1为大于或者等于1的正整数。上述N1个信道测量资源可用于后续用户设备20进行CSI测量与计算。可选的,上述N1个信道测量资源中的每个信道测量资源具体可以为SSB或者CSI参考信号(即CSI-RS)对应的时域资源、频域资源等信息。
进一步,上述CSI测量资源信息中可包含有N2个信道测量资源集,这N2个信道测量资源集中的每个信道测量资源集中包含一个或者多个信道测量资源,并且这N2个信道测量资源集所包含的信道测量资源的总个数为N1。上述N2为大于或者等于1的正整数。换一句话说,就是上述N1的信道测量资源是以N2个信道测量资源集的形式存在于上述CSI测量资源信息中的,上述N1个信道测量资源中的一个或者多个信道测量资源即组成了一个信道测量资源集。
更进一步的,上述N2个信道测量资源集中的任一信道测量资源集中所包含的一个或者多个信道测量资源的端口的总个数应小于或者等于32。例如,假设上述N2个信道测量资源集中的信道测量资源集A中包含有5个信道测量资源,则这5个信道测量资源对于的端口的总个数就应该不超过32。
又或者,上述N2个信道测量资源集中的一部分信道测量资源集所包含的一个或者多个信道测量资源的端口的总个数应小于或者等于32,而上述N2个信道测量资源集中的另一部分信道测量资源集中的每个信道测量资源的端口的总个数可以不作具体限制。
在一种可选的实现方式中,上述第一消息中还可包括一个预设的阈值(为方便区别,下文将以第一阈值代替描述)。这个第一阈值可用于确定用户设备上报的CSI报告中所包含的信道测量资源的指示信息。例如,假设用户设备上报的CSI报告中包含有N3个信道测量资源的指示信息,则这N3个信道测量资源中的任意两个信道测量资源对应的信道测量结果的差值或者差值的绝对值都要小于或者等于上述第一阈值。这里,上述N3个信道测量资源为前文所述的N1个信道测量资源中的部分或者全部信道测量资源,也即N3小于或者等于N1。
需要说明的是,本申请涉及的信道测量资源的指示信息即为能够唯一指示信道测量资源的信息,这个指示信息可以是任意实现形式的信息,如不同取值的二进制数、符号等,本申请对信道测量资源的指示信息的实现形态不作具体限制。
可选的,上述信道测量资源对应的测量结果具体可以为用户设备20在这个信道测量资源上测得的参考信号接收功率(reference signal received power,RSRP)、参考信号接收质量(reference signal received quality,RSRQ)、信噪比(signalto noise ratio,SNR)等参量,本申请对此不作具体限制。
在一种可选的实现方式中,上述CSI测量资源信息中可以不包含上述CSI报告配置信息所关联的干扰测量资源。这里,该干扰测量资源具体可以为CSI干扰测量资源(即(CSI-interference measurement,CSI-IM))。
应理解,上述CSI测量资源信息中可以不包含上述CSI报告配置信息所关联的干扰测量资源,可以理解为,上述CSI测量资源信息中可以不包含干扰测量资源。
在一种可选的实现方式中,上述CSI测量资源信息中可以包含上述CSI报告配置信息所关联的一个或者多个干扰测量资源。
应理解,上述CSI测量资源信息中可以包含上述CSI报告配置信息所关联的一个或者多个干扰测量资源,可以理解为,上述CSI测量资源信息中可以包含一个或者多个干扰测量资源。
类似的,上述一个或者多个干扰测量资源(这里假设为N6个)也可以以干扰测量资源集的形式存在于上述CSI测量资源信息中。这里,N6为大于或者等于1的正整数。也就说,在具体实现中,上述CSI测量资源信息中可包括一个或者多个干扰测量资源集,并且每个干扰测量资源集中可包含一个或者多个干扰测量资源,而这一个或者多个干扰测量资源集所包含的干扰测量资源的总数即为N6。
在一种可选的实现方式中,上述N1个信道测量资源中包含有N4个第一信道测量资源,这N4个第一信道测量资源可以作为干扰测量资源。这里,这N4个第一信道测量资源为上述N1个信道测量资源中除N5个第二信道测量资源以外的信道测量资源。上述N5个第二信道测量资源的指示信息包含于用户设备20上报的CSI报告中。
例如,假设上述N1个信道测量资源中包含信道测量资源R1、信道测量资源R2、信道测量资源R3以及信道测量资源R4,对应的指示信息分别为r1、r2、r3和r4。若用户设备20后续确定信道测量资源R2、信道测量资源R3以及信道测量资源R4为需要上报的信道测量资源,也即其后续发送的CSI报告中包含有上述指示信息r2、r3和r4,则上述信道测量资源R2、信道测量资源R3以及信道测量资源R4即为第二信道测量资源,上述信道测量资源R1即为第一信道测量资源。因此,在后续的CSI测量过程中,用户设备20即可将信道测量资源R1作为干扰测量资源来进行干扰测量。
这里需要说明的是,在第一消息包含上述第一阈值的情况下,上述N5个第二信道测量资源即等价于前文所述的N3个信道测量资源。而在第一消息中不包含上述第一阈值的情况下,上述N5个第二信道测量资源可以为用户设备20通过其他预设规则从上述N1个信道资源中确定出来的需要上报的信道测量资源。本申请对用户设备20确定上述N5个第二信道测量资源的方式不作具体限定。
在一些可选的实现方式中,在上述N1个信道测量资源中包含有上述N4个第一信道测量资源的情况下,若上述CSI测量资源信息中也包含CSI报告配置信息所关联的一个或者多个干扰测量资源,则这一个或者多个干扰测量资源可以不用于用户设备20进行的CSI测量。也就是说,在N4个第一信道测量资源与CSI报告配置信息所关联的一个或者多个干扰测量资源同时存在的情况下,用户设备20可以仅以这N4个第一信道测量资源作为干扰测量资源来进行干扰测量,以得到生成CSI报告所需的干扰测量结果。
在一些可选的实现方式中,若上述CSI测量资源信息中也包含CSI报告配置信息所关联的一个或者多个干扰测量资源,则这一个或者多个干扰测量资源也可以用于用户设备20进行的CSI测量。
S22,网络设备向用户设备发送第一消息。对应的,用户设备接收该第一消息。
在一些可选的实现方式中,网络设备10在生成上述第一消息后,可将上述第一消息发送给用户设备20。
具体实现中,网络设备10可以通过高层信息(例如RRC信息等)来发送上述第一消息。或者,网络设备10也可通过由下行物理控制信道(physical downlink control channel,PDCCH)承载的下行控制信息(downlink control information,DCI),以触发用户设备20进行CSI测量和上报。应理解,本申请对于网络设备10发送第一消息的方式不作具体限制。
进一步的,用户设备20可接收来自于网络设备10的第一消息。
S23,用户设备基于第一消息得到CSI报告。
在一些可行的实现方式中,用户设备20在接收到上述第一消息后,即可基于相应的通信协议对上述第一消息进行解析,以提取上述第一消息中所包含的各项配置信息或者资源信息,如上述CSI报告配置信息、CSI测量资源信息等。然后,用户设备20即可基于第一消息中包含的各项配置信息以及资源信息进行相应CSI测量,并进一步生成相应的CSI报告。
在一种可选的实现方式中,当用户设备20从上述第一消息中提取到上述目标码本类型,则可确定后续应采用相干联合传输方案假设进行CSI测量。
在一种可选的实现方式中,当用户设备20从上述第一消息中提取到CSI测量资源信息,并确定该CSI测量资源信息中包括N1个信道测量资源时,则可分别对这个N1个信道测量资源进行SNR或者RSRP等参量的测量,并将得到的结果确定为各信道测量资源对应的信道测量结果。需说明的是,这里所述的信道测量结果并不仅限于前文所述的SNR或者RSRP,还可以包括RSRQ等,本申请对此不作具体限制。
进一步的,当用户设备20从上述第一消息还提取到了上述第一阈值时,在测得上述N1个信道测量资源中各信道测量资源对应的测量结果后,可分别计算得到任意两个信道测量资源对应的信道测量结果的差值或者差值的绝对值。然后,用户设备可基于上述N1个信道测量资源中任意两个信道测量资源对应的信道测量结果的差值或者差值的绝对值从上述N1个信道测量资源中筛选出N3个信道测量资源。这里,这N3个信道测量资源中的任意两个信道测量资源对应的信道测量结果的差值或者差值的绝对值小于或者等于第一阈值。然后,用户设备20可确定这N3个信道测量资源即为其需要上报的信道测量资源,也就是其后续上报的CSI报告中应该包含上述N3个信道测量资源对应的指示信息。
例如,假设上述N1个信道测量资源中包含信道测量资源R1、信道测量资源R2、信道测量资源R3和信道测量资源R4,对应的指示信息分别为r1、r2、r3和r4,对应的信道测量结果分别为SNR1、SNR2、SNR3和SNR4。若用户设备20确定SNR1与SNR2、SNR3以及SNR4的差值均小于上述第一阈值,SNR2与SNR3以及SNR4的差值均小于第一阈值,SNR3与SNR4的差值大于上述第一阈值,则用户设备20可确定信道测量资源R1和信道测量资源R2为其需要上报的信道测量资源,其后续上报的CSI报告中应包含r1和r2这两个指示信息。
进一步的,在用户设备20从上述第一消息中提取到CSI报告配置信息关联的一个或者多个干扰测量资源,并且确定上述N1个信道测量资源中存在N4个第一信道测量资源的情况下,用户设备20可仅基于上述N4个第一信道测量资源进行干扰测量并得到相应的干扰测量结果。上述CSI报告配置信息关联的一个或者多个干扰测量资源可以不作使用。这里,针对N4个第一信道测量资源的描述可一并参见前文,此处便不再赘述。
进一步的,当用户设备20确定上述N1个信道测量资源对应的指示信息均包含于上述CSI报告(也即不存在上述N4个第一信道测量资源时)时,则用户设备20可基于上述第一消息中包含的CSI报告配置信息关联的一个或者多个干扰测量资源来进行干扰测量并得到相应的干扰测量结果。
这里应理解,前文仅是示例性描述的用户设备20基于第一消息进行CSI测量这一过程中的部分步骤。在实际实现中,用户设备20还可基于第一消息完成其他相关的测量进程,本申请对此不再一一例举。
在用户设备20基于上述第一消息完成所有的CSI测量过程并得到相应的测量结果后,即可基于这些测量结果进一步计算得到其需要上报的CSI报告。这里,该CSI报告即包含用户设备20计算得到的CSI,而这个CSI主要可包括信道质量指示符(channel quality indicator, CQI)、预编码矩阵指示符(precoding matrix indicator,PMI)、CSI参考信号资源指示符(CSI-RS resource indicator,CRI)、SSB资源指示符(SS/PBCH block resource indicator,SSBRI)、层指示符(layer indicator,LI)、秩指示符(rank indicator,RI)等信息中的一项或者多项。需要说明的是,CSI报告所包含具体内容可由上述第一消息所包含的CSI报告配置信息所指示,本申请对用户设备20上报的CSI报告所包含的具体内容不作限制。
S24,用户设备生成包含CSI报告的第二消息。
在一些可行的实现方式中,用户设备20在计算得到上述CSI报告后,即生成包含上述CSI报告的第二消息。
S25,用户设备向网络设备发送第二消息。对应的,网络设备接收该第二消息。
在一些可行的实现方式中,用户设备20在生成上述第二消息后,即可将上述第二消息反馈给网络设备10。
可选的,用户设备20可通过物理上行控制信道(physical uplink control channel,PUCCH)、物理上行共享信道(physical uplink shared channel,PUSCH)等信道将上述第二消息发送给上述网络设备10。
进一步的,网络设备10可接收来自于用户设备20的第二消息,并从上述第二消息中提取出上述CSI报告。然后,网络设备10可基于该CSI报告进行资源调度的调整和/或者波束管理等操作。应理解,本申请对网络设备10如何使用上述CSI报告的过程不作具体限制。
在本申请实施例中,网络设备10通过第一消息为用户设备20配置了适用于相干联合传输方案的目标码本类型以及其他用于用户设备20得到CSI报告的相关信息,解决了在相干联合传输方案下的CSI测量的具体配置以及测量的问题,有利于相干联合传输方案应的应用。
请参见图3,图3是本申请实施例提供的一种通信装置的结构示意图。该通信装置30可用于实现用户设备20的功能。该通信装置可以是用户设备20本身或用于用户设备20的装置。这里,用于用户设备20的装置也可以为通信装置30内的芯片系统或芯片。其中,芯片系统可以由芯片构成,也可以包含芯片和其他分立器件。如图3所示,该通信装置30可以包括收发单元31和处理单元32。其中:
收发单元31用于接收第一消息。其中,所述第一消息中包含CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型。
处理单元32用于基于所述第一消息得到CSI报告。
所述收发单元31还用于发送第二消息。其中,所述第二消息包括CSI报告。
在一种可选的实现方式中,所述CSI报告中包含码本,该码本的码本类型为上述目标码本类型。
在一种可选的实现方式中,所述第一消息还包括CSI测量资源信息,所述CSI测量资源信息中包括N1个信道测量资源,其中,N1为大于或者等于1的正整数。
在一种可选的实现方式中,所述CSI测量资源信息中包含N2个信道测量资源集,所述N2个信道测量资源集中的每个信道测量资源集中包含一个或者多个信道测量资源,所述N2个信道测量资源集所包含的信道测量资源的总个数为N1,其中,N2为大于或者等于1的正整数。
在一种可选的实现方式中,任一信道测量资源集中所包含的一个或者多个信道测量资源的端口的总个数小于或者等于32。
在一种可选的实现方式中,所述第一消息还包括第一阈值,所述CSI报告包含有N3个信道测量资源的指示信息,所述N3个信道测量资源中的任意两个信道测量资源对应的信道测量结果的差值或者差值的绝对值小于或者等于所述第一阈值,N3小于或者等于N1。
在一种可选的实现方式中,所述CSI测量资源信息中不包含所述CSI报告配置信息关联的干扰测量资源。
在一种可选的实现方式中,所述CSI测量资源信息中包含所述CSI报告配置信息关联的一个或多个干扰测量资源。
在一种可选的实现方式中,所述N1个信道测量资源中包括N4个第一信道测量资源,所述N4个第一信道测量资源为所述N1个信道测量资源中除N5个第二信道测量资源以外的信道测量资源,所述N5个第二信道测量资源的指示信息包含于所述CSI报告中,所述N4个第一信道测量资源作为干扰测量资源以用于所述处理单元32的CSI测量。
在一种可选的实现方式中,所述CSI测量资源信息中包含的所述CSI报告配置信息关联的一个或者多个干扰测量资源不用于所述处理单元32的CSI测量。
在一种可选的实现方式中,所述N1个信道测量资源的指示信息包含于所述CSI报告中,所述CSI测量资源信息中包含的所述CSI报告配置信息关联的一个或者多个干扰测量资源用于所述处理单元32的CSI测量。
在一种可选的实现方式中,所述相干联合传输方案基于多个站点实施。
请一并参见图3,该通信装置30也可用于实现网络设备10的功能。该通信装置可以是网络设备10本身或网络设备10的装置。这里,用于网络设备10的装置也可以为通信装置30内的芯片系统或芯片。其中,芯片系统可以由芯片构成,也可以包含芯片和其他分立器件。具体的:
处理单元32用于生成第一消息。其中,所述第一消息中包含CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型。
收发单元31,用于发送所述第一消息。
所述收发单元31,还用于接收所述第二消息。其中,所述第二消息包括CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
在一种可选的实现方式中,所述CSI报告中包含码本,该码本的码本类型为上述目标码本类型。
在一种可选的实现方式中,所述第一消息还包括CSI测量资源信息,所述CSI测量资源信息中包括N1个信道测量资源,其中,N1为大于或者等于1的正整数。
在一种可选的实现方式中,所述CSI测量资源配置信息中包含N2个信道测量资源集,所述N2个信道测量资源集中的每个信道测量资源集中包含一个或者多个信道测量资源,所述N2个信道测量资源集中的所有信道测量资源集所包含的信道测量资源的总数为N1。
在一种可选的实现方式中,任一信道测量资源集中所包含的一个或者多个信道测量资源的端口的总个数小于或者等于32。
在一种可选的实现方式中,其特征在于,所述第一消息还包括第一阈值,所述CSI报告包含有N3个信道测量资源的指示信息,所述N3个信道测量资源中的任意两个信道测量资源对应的信道测量结果的差值或者差值的绝对值小于或者等于所述第一阈值,N3小于或者等于N1。
在一种可选的实现方式中,所述CSI测量资源配置信息中不包含所述CSI报告配置信息关联的干扰测量资源。
在一种可选的实现方式中,所述CSI测量资源配置信息中包含所述CSI报告配置信息关联的一个或者多个干扰测量资源。
在一种可选的实现方式中,所述N1个信道测量资源中包括N4个第一信道测量资源,所述N4个第一信道测量资源为所述N1个信道测量资源中除N5个第二信道测量资源以外的信道测量资源,所述N5个第二信道测量资源的指示信息包含于所述CSI报告中,所述N4个第一信道测量资源作为干扰测量资源以用于所述用户设备的CSI测量。
在一种可选的实现方式中,所述CSI测量资源配置信息中包含的所述CSI报告配置信息关联的一个或者多个干扰测量资源不用于所述用户设备的CSI测量。
在一种可选的实现方式中,所述N1个信道测量资源的指示信息包含于所述CSI报告中,所述CSI测量资源信息中包含的所述CSI报告配置信息关联的一个或者多个干扰测量资源用于所述用户设备的CSI测量。
在一种可选的实现方式中,所述上述收发单元31和处理单元32可以由多个站点来实现。
请参见图4,图4是本申请实施例提供的一种电子设备的结构示意图。如图4所示,该电子设备40包括处理器401、存储器402、收发器403和总线系统404。
其中,上述处理器401、存储器402和收发器403通过总线系统404连接。
上述存储器402用于存放程序。具体地,程序可以包括程序代码,程序代码包括计算机操作指令。存储器402包括但不限于是随机存储记忆体(random access memory,RAM)、只读存储器(read-only memory,ROM)、可擦除可编程只读存储器(erasable programmable read only memory,EPROM)、或便携式只读存储器(compact disc read-only memory,CD-ROM)。图4中仅示出了一个存储器,当然,存储器也可以根据需要,设置为多个。存储器402也可以是处理器401中的存储器,在此不做限制。
存储器402存储了如下的元素,可执行模块或者数据结构,或者它们的子集,或者它们的扩展集:
操作指令:包括各种操作指令,用于实现各种操作。
操作系统:包括各种系统程序,用于实现各种基础业务以及处理基于硬件的任务。
上述处理器401控制电子设备40的操作,处理器401可以是一个或多个中央处理器(central processing unit,CPU),在处理器401是一个CPU的情况下,该CPU可以是单核CPU,也可以是多核CPU。
具体的应用中,电子设备40的各个组件通过总线系统404耦合在一起,其中总线系统404除包括数据总线之外,还可以包括电源总线、控制总线和状态信号总线等。但是为了清楚说明起见,在图4中将各种总线都标为总线系统404。为便于表示,图4中仅是示意性画出。
上述实施例揭示的用户设备20的方法,或者上述,实施例揭示的网络设备10的方法均可以应用于处理器401中,或者由处理器401实现。处理器401可能是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法的各步骤可以通过处理器401中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器401可以是通用处理器、数字信号处理器(digital signal processing,DSP)、专用集成电路(application specific integrated circuit,ASIC)、现场可编程门阵列(field-programmable gate array,FPGA)或者其他 可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器402,处理器401读取存储器402中的信息,结合其硬件执行图3或者图5,或者上述实施例揭示的用户设备20的方法,或者上述,实施例揭示的网络设备10的方法。
请参见图5,图5是本申请实施例提供的一种模组设备的结构示意图。该模组设备50可以执行前述方法实施例中用户设备20的相关步骤。该模组设备50包括:收发模组501、电源模组502、存储模组503、芯片模组504。
其中,所述电源模组502用于为所述模组设备50提供电能;所述存储模组503用于存储数据和指令;所述收发模组501用于进行模组设备50内部通信,或者用于所述模组设备50与外部设备进行通信。具体的,所述收发模组501用于接收第一消息。其中,所述第一消息中包含CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型。所述芯片模组504用于:基于所述第一消息得到CSI报告。所述收发模组501还用于发送第二消息。其中,所述第二消息包括所述CSI报告。
应理解,上述芯片模组504还可结合收发模组501来实现用户设备20在本申请提供的一种信道状态信息CSI测量的处理方法中执行的其他步骤或者功能,具体可一并参见前文实施例对用户设备20的功能的表述,此处便不再一一赘述。
请一并参见图5,该模组设备50还可以执行前述方法实施例中网络设备10的相关步骤。
其中,所述电源模组502用于为所述模组设备50提供电能;所述存储模组503用于存储数据和指令;所述收发模组501用于进行模组设备50内部通信,或者用于所述模组设备50与外部设备进行通信。所述芯片模组504用于:生成第一消息。其中,所述第一消息中包含CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型。所述收发模组501用于发送所述第一消息。所述收发模组501还用于接收第二消息。其中,所述第二消息包括CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
应理解,上述芯片模组504还可结合收发模组501来实现网络设备10在本申请提供的一种信道状态信息CSI测量的处理方法中执行的其他步骤或者功能,具体可一并参见前文实施例对网络设备10的功能的表述,此处便不再一一赘述。
本申请实施例还提供一种芯片,该芯片可以执行前述方法实施例中用户设备20的相关步骤。例如,该芯片用于:
接收第一消息,其中,所述第一消息中包含CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型。发送第二消息,其中,所述第二消息包含CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
应理解,上述芯片还可实现用户设备20在本申请提供的一种信道状态信息CSI测量的处理方法中执行的其他步骤或者功能,具体可一并参见前文实施例对用户设备20的功能的表述,此处便不再一一赘述。
本申请实施例还提供一种芯片,该芯片可以执行前述方法实施例中网络设备10的相关步骤。例如,该芯片用于:
发送第一消息。其中,所述第一消息中包含CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型。接收第二消息。其中,所述第二消息包括CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
应理解,上述芯片还可实现网络设备10在本申请提供的一种信道状态信息CSI测量的处理方法中执行的其他步骤或者功能,具体可一并参见前文实施例对网络设备10的功能的表述,此处便不再一一赘述。
本申请实施例还提供一种计算机可读存储介质,该计算机可读存储介质中存储有指令,当其在处理器上运行时,上述方法实施例中用户设备20或者网络设备10所对应的CSI测量的处理方法得以实现。
本申请实施例还提供一种计算机程序产品,当所述计算机程序产品在处理器上运行时,上述方法实施例中用户设备20或者网络设备10所对应的CSI测量的处理方法得以实现。
需要说明的是,对于前述的各方法实施例,为了简单描述,故将其都表述为一系列的动作组合,但是本领域技术人员应该知悉,本申请并不受所描述的动作顺序的限制,因为依据本申请,某些操作可以采用其他顺序或者同时进行。其次,本领域技术人员也应该知悉,说明书中所描述的实施例均属于优选实施例,所涉及的动作和模块并不一定是本申请所必须的。
本申请提供的各实施例的描述可以相互参照,对各个实施例的描述都各有侧重,某个实施例中没有详述的部分,可以参见其他实施例的相关描述。为描述的方便和简洁,例如关于本申请实施例提供的各装置、设备的功能以及执行的操作可以参照本申请方法实施例的相关描述,各方法实施例之间、各装置实施例之间也可以互相参考、结合或引用。
最后应说明的是:以上各实施例仅用以说明本申请的技术方案,而非对其限制;尽管参照前述各实施例对本申请进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。

Claims (32)

  1. 一种通信方法,其特征在于,应用于用户设备,所述方法包括:
    接收第一消息,其中,所述第一消息中包含信道状态信息CSI报告配置信息,所述CSI报告配置信息中包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型;
    发送第二消息,其中,所述第二消息包含CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
  2. 根据权利要求1所述的方法,其特征在于,所述CSI报告包含码本,所述码本的码本类型为所述目标码本类型。
  3. 根据权利要求1或2所述的方法,其特征在于,所述第一消息还包括CSI测量资源信息,所述CSI测量资源信息中包括N1个信道测量资源,其中,N1为大于或者等于1的正整数。
  4. 根据权利要求3所述的方法,其特征在于,所述CSI测量资源信息中包含N2个信道测量资源集,所述N2个信道测量资源集中的每个信道测量资源集中包含一个或者多个信道测量资源,所述N2个信道测量资源集所包含的信道测量资源的总个数为N1,其中,N2为大于或者等于1的正整数。
  5. 根据权利要求4所述的方法,其特征在于,任一信道测量资源集中所包含的一个或者多个信道测量资源的端口的总个数小于或者等于32。
  6. 根据权利要求3-5任一项所述的方法,其特征在于,所述第一消息还包括第一阈值,所述CSI报告包含有N3个信道测量资源的指示信息,所述N3个信道测量资源中的任意两个信道测量资源对应的信道测量结果的差值或者差值的绝对值小于或者等于所述第一阈值,N3小于或者等于N1。
  7. 根据权利要求3-5任一项所述的方法,其特征在于,所述CSI测量资源信息中不包含所述CSI报告配置信息关联的干扰测量资源。
  8. 根据权利要求3-5任一项所述的方法,其特征在于,所述CSI测量资源信息中包含所述CSI报告配置信息关联的一个或多个干扰测量资源。
  9. 根据权利要求6-8任一项所述的方法,其特征在于,所述N1个信道测量资源中包括N4个第一信道测量资源,所述N4个第一信道测量资源为所述N1个信道测量资源中除N5个第二信道测量资源以外的信道测量资源,所述N5个第二信道测量资源的指示信息包 含于所述CSI报告中,所述N4个第一信道测量资源作为干扰测量资源以用于所述用户设备的CSI测量。
  10. 根据权利要求9所述的方法,其特征在于,所述CSI测量资源信息中包含的所述CSI报告配置信息关联的一个或者多个干扰测量资源不用于所述用户设备的CSI测量。
  11. 根据权利要求8所述的方法,其特征在于,所述N1个信道测量资源的指示信息包含于所述CSI报告中,所述CSI测量资源信息中包含的所述CSI报告配置信息关联的一个或者多个干扰测量资源用于所述用户设备的CSI测量。
  12. 根据权利要求1-11任一项所述的方法,其特征在于,所述相干联合传输方案基于多个站点实施。
  13. 一种通信方法,其特征在于,应用于网络设备,所述方法包括:
    发送第一消息,其中,所述第一消息中包含信道状态信息CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型;
    接收第二消息,其中,所述第二消息包括CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
  14. 根据权利要求13所述的方法,其特征在于,所述CSI报告包含码本,所述码本的码本类型为所述目标码本类型。
  15. 根据权利要求13或14所述的方法,其特征在于,所述第一消息还包括CSI测量资源信息,所述CSI测量资源信息中包括N1个信道测量资源,其中,N1为大于或者等于1的正整数。
  16. 根据权利要求15所述的方法,其特征在于,所述CSI测量资源配置信息中包含N2个信道测量资源集,所述N2个信道测量资源集中的每个信道测量资源集中包含一个或者多个信道测量资源,所述N2个信道测量资源集中的所有信道测量资源集所包含的信道测量资源的总数为N1。
  17. 根据权利要求16所述的方法,其特征在于,任一信道测量资源集中所包含的一个或者多个信道测量资源的端口的总个数小于或者等于32。
  18. 根据权利要求15-17任一项所述的方法,其特征在于,所述第一消息还包括第一阈值,所述CSI报告包含有N3个信道测量资源的指示信息,所述N3个信道测量资源中的 任意两个信道测量资源对应的信道测量结果的差值或者差值的绝对值小于或者等于所述第一阈值,N3小于或者等于N1。
  19. 根据权利要求15-17任一项所述的方法,其特征在于,所述CSI测量资源配置信息中不包含所述CSI报告配置信息关联的干扰测量资源。
  20. 根据权利要求15-17任一项所述的方法,其特征在于,所述CSI测量资源配置信息中包含所述CSI报告配置信息关联的一个或者多个干扰测量资源。
  21. 根据权利要求19或20所述的方法,其特征在于,所述N1个信道测量资源中包括N4个第一信道测量资源,所述N4个第一信道测量资源为所述N1个信道测量资源中除N5个第二信道测量资源以外的信道测量资源,所述N5个第二信道测量资源的指示信息包含于所述CSI报告中,所述N4个第一信道测量资源作为干扰测量资源以用于所述用户设备的CSI测量。
  22. 根据权利要求21所述的方法,其特征在于,所述CSI测量资源配置信息中包含的所述CSI报告配置信息关联的一个或者多个干扰测量资源不用于所述用户设备的CSI测量。
  23. 根据权利要求20所述的方法,其特征在于,所述N1个信道测量资源的指示信息包含于所述CSI报告中,所述CSI测量资源信息中包含的所述CSI报告配置信息关联的一个或者多个干扰测量资源用于所述用户设备的CSI测量。
  24. 根据权利要求13-23任一项所述的方法,其特征在于,所述网络设备包括多个站点。
  25. 一种通信装置,其特征在于,所述通信装置为用户设备,所述通信装置包括:
    收发单元,用于接收第一消息,其中,所述第一消息中包含信道状态信息CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型;
    处理单元,用于基于所述第一消息得到CSI报告;
    所述收发单元,还用于发送第二消息,其中,所述第二消息包括CSI报告。
  26. 一种通信装置,其特征在于,所述通信装置为用户设备,所述通信装置包括:
    处理单元,用于生成第一消息,其中,所述第一消息中包含信道状态信息CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型;
    收发单元,用于发送所述第一消息;
    所述收发单元,还用于接收所述第二消息,其中,所述第二消息包括CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
  27. 一种芯片,其特征在于,所述芯片,用于:
    接收第一消息,其中,所述第一消息中包含信道状态信息CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型;
    发送第二消息,其中,所述第二消息包含CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
  28. 一种芯片,其特征在于,所述芯片,用于:
    发送第一消息,其中,所述第一消息中包含信道状态信息CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型;
    接收第二消息,其中,所述第二消息包括CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
  29. 一种模组设备,其特征在于,所述模组设备包括收发模组、电源模组、存储模组以及芯片模组,其中:
    所述收发模组用于接收第一消息,其中,所述第一消息中包含信道状态信息CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型;
    所述电源模组用于为所述模组设备提供电能;
    所述存储模组用于存储数据和指令;
    所述芯片模组用于:
    基于所述第一消息得到CSI报告;
    所述收发模组,还用于发送第二消息,其中,所述第二消息包括所述CSI报告。
  30. 一种模组设备,其特征在于,所述模组设备包括收发模组、电源模组、存储模组以及芯片模组,其中:
    所述电源模组用于为所述模组设备提供电能;
    所述存储模组用于存储数据和指令;
    所述芯片模组用于:
    生成第一消息,其中,所述第一消息中包含信道状态信息CSI报告配置信息,所述CSI报告配置信息中至少包括目标码本类型,所述目标码本类型为相干联合传输方案的码本类型;
    所述收发模组用于发送所述第一消息;
    所述收发模组,还用于接收第二消息,其中,所述第二消息包括CSI报告,所述CSI报告由所述用户设备基于所述第一消息得到。
  31. 一种电子设备,其特征在于,包括处理器、存储器和收发器,所述处理器、所述存储器和所述收发器相互连接;
    所述存储器用于存储计算机程序,所述计算机程序包括程序指令,所述处理器被配置用于调用所述程序指令,执行如权利要求1至12或者13-24中任一项所述的方法。
  32. 一种计算机可读存储介质,其特征在于,所述计算机存储介质中存储有计算机可读指令,当所述计算机可读指令在通信装置上运行时,使得所述通信装置执行如权利要求1至12或者13-24中任意一项所述的方法。
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WO2018175884A2 (en) * 2017-03-24 2018-09-27 Intel Corporation DM-RS GROUPING AND CSI REPORTING FOR CoMP
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