WO2024017233A1 - 通信方法与装置、终端设备、网络设备和芯片 - Google Patents

通信方法与装置、终端设备、网络设备和芯片 Download PDF

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Publication number
WO2024017233A1
WO2024017233A1 PCT/CN2023/107868 CN2023107868W WO2024017233A1 WO 2024017233 A1 WO2024017233 A1 WO 2024017233A1 CN 2023107868 W CN2023107868 W CN 2023107868W WO 2024017233 A1 WO2024017233 A1 WO 2024017233A1
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WIPO (PCT)
Prior art keywords
frequency domain
domain resources
subbands
csi
available
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PCT/CN2023/107868
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English (en)
French (fr)
Inventor
周欢
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Beijing Ziguang Zhanrui Communication Technology Co Ltd
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Beijing Ziguang Zhanrui Communication Technology Co Ltd
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Priority to US18/997,397 priority Critical patent/US20260031872A1/en
Publication of WO2024017233A1 publication Critical patent/WO2024017233A1/zh
Anticipated expiration legal-status Critical
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0675—Space-time coding characterised by the signaling
    • H04L1/0693—Partial feedback, e.g. partial channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0457—Variable allocation of band or rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA

Definitions

  • the present application relates to the field of communication technology, and in particular, to a communication method and device, terminal equipment, network equipment and chips.
  • CSI channel state information
  • CSI is the channel status information used by terminal equipment to feed back the downlink channel quality to the network equipment so that the network equipment can select an appropriate modulation and coding scheme (MCS) for the transmission of downlink data and reduce errors in downlink data transmission.
  • MCS modulation and coding scheme
  • Block rate Block Error Rate, BLER
  • BLER Block Error Rate
  • This application provides a communication method and device, terminal equipment, network equipment and chips, in order to solve the problem of how to perform CSI measurement and/or CSI reporting under new frequency domain resource allocation, thereby ensuring CSI performance.
  • the first aspect is a communication method of this application, including:
  • the CSI reporting frequency band is determined according to the activated bandwidth part BWP and multiple frequency domain resources within the same time unit.
  • the multiple frequency domain resources include Uplink frequency domain resources and downlink frequency domain resources.
  • this application can perform CSI measurement and/or CSI reporting based on the activated BWP and multiple frequency domain resources within the same time unit.
  • To determine the CSI reporting frequency band and then perform CSI measurement and/or CSI reporting according to the CSI reporting frequency band. Since the determination process of the CSI reporting frequency band comprehensively considers the activated BWP and multiple frequency domain resources within the same time unit, CSI measurement and/or CSI reporting can be performed on the determined CSI reporting frequency band to ensure CSI performance.
  • the second aspect is a communication method of the present application, including:
  • the CSI report is performed based on the channel state information CSI report frequency band.
  • the CSI report frequency band is determined based on the activated bandwidth part BWP and multiple frequency domain resources within the same time unit.
  • the multiple frequency domain resources are Domain resources include uplink frequency domain resources and downlink frequency domain resources.
  • the third aspect is a communication device of the present application, including:
  • a processing unit configured to perform CSI measurement and/or CSI reporting according to the channel state information CSI reporting frequency band.
  • the CSI reporting frequency band is determined according to the activated bandwidth part BWP and multiple frequency domain resources within the same time unit.
  • the multiple frequency domain resources are determined according to the activated bandwidth part BWP.
  • Frequency domain resources include uplink frequency domain resources and downlink frequency domain resources.
  • the fourth aspect is a communication device of the present application, including:
  • a receiving unit configured to receive a CSI report, where the CSI report is performed based on the channel state information CSI reporting frequency band, and the CSI reporting frequency band is determined based on the activated bandwidth part BWP and multiple frequency domain resources within the same time unit,
  • the plurality of frequency domain resources include uplink frequency domain resources and downlink frequency domain resources.
  • the steps in the method designed in the first aspect are applied to terminal equipment or terminal equipment.
  • the steps in the method designed in the second aspect are applied to network equipment or network equipment.
  • the seventh aspect is a terminal device of the present application, including a processor, a memory, and a computer program or instructions stored on the memory, wherein the processor executes the computer program or instructions to implement the first aspect. Steps in the designed method.
  • the eighth aspect is a network device of the present application, including a processor, a memory, and a computer program or instructions stored on the memory, wherein the processor executes the computer program or instructions to implement the second aspect. Steps in the designed method.
  • a ninth aspect is a chip of the present application, including a processor and a communication interface, wherein the processor executes the steps in the method designed in the first aspect or the second aspect.
  • a tenth aspect is a chip module of the present application, including a transceiver component and a chip.
  • the chip includes a processor, wherein the processor executes the steps in the method designed in the first aspect or the second aspect.
  • the eleventh aspect is a computer-readable storage medium of the present application, wherein it stores a computer program or instructions, and when the computer program or instructions are executed, the method designed in the first aspect or the second aspect is implemented. A step of.
  • the computer program or instructions are executed by a processor.
  • a twelfth aspect is a computer program product of the present application, including a computer program or instructions, wherein when the computer program or instructions are executed, the steps in the method designed in the first aspect or the second aspect are implemented.
  • the computer program or instructions are executed by a processor.
  • a thirteenth aspect is a communication system of the present application, including the terminal device in the seventh aspect and the network device in the eighth aspect.
  • Figure 1 is an architectural schematic diagram of a communication system according to an embodiment of the present application
  • Figure 2 is a schematic structural diagram of multiple frequency domain resources in the same time unit according to an embodiment of the present application
  • Figure 3 is a schematic structural diagram of an activated BWP and multiple frequency domain resources in the same time unit according to an embodiment of the present application;
  • Figure 4 is a schematic structural diagram of subbands after each block of available frequency domain resources is independently divided into subbands according to an embodiment of the present application;
  • Figure 5 is a schematic structural diagram of subbands after jointly dividing multiple blocks of available frequency domain resources into subbands according to an embodiment of the present application
  • Figure 6 is a schematic structural diagram of subbands after dividing unavailable frequency domain resources and available frequency domain resources into subbands according to an embodiment of the present application
  • Figure 7 is a schematic flowchart of a communication method according to an embodiment of the present application.
  • Figure 8 is a functional unit block diagram of a communication device according to an embodiment of the present application.
  • Figure 9 is a functional unit block diagram of yet another communication device according to an embodiment of the present application.
  • Figure 10 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • Figure 11 is a schematic structural diagram of a network device according to an embodiment of the present application.
  • a and/or B in the embodiment of this application describes the association relationship of associated objects, indicating that three relationships can exist.
  • a and/or B can represent the following three situations: A exists alone; A and B exist simultaneously; B exists alone. Among them, A and B can be singular or plural.
  • the symbol “/" can indicate that the related objects are an “or” relationship.
  • the symbol “/” can also represent the division sign, that is, performing division operations.
  • A/B can mean A divided by B.
  • At least one item (item) refers to any combination of these items, including any combination of single item (items) or plural items (items), and refers to one or more, Multiple means two or more.
  • at least one of a, b or c can represent the following seven situations: a, b, c, a and b, a and c, b and c, a, b and c.
  • each of a, b, and c can be an element or a set containing one or more elements.
  • Equal in the embodiments of this application can be used in conjunction with greater than, and is applicable to the technical solution adopted when it is greater than, and can also be used in conjunction with less than, and is applicable to the technical solution adopted when it is less than. When equal is used with greater than, do not use it with less than; when equal to is used with less than, do not use it with greater than.
  • Connection in the embodiments of this application refers to various connection methods such as direct connection or indirect connection to realize communication between devices, and there is no limitation on this.
  • the “network” in the embodiment of this application can be expressed as the same concept as the "system", and the communication system is the communication network.
  • Size in the embodiment of the present application can be expressed as the same concept as “length”.
  • the “network” in the embodiment of this application can be expressed as the same concept as the "system", and the communication system is the communication network.
  • Reporting in the embodiment of this application can be expressed as the same concept as “reporting” or “feedback”.
  • CSI report can be expressed as the same concept as “CSI report”, “CSI feedback”, etc.
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • Advanced Long Term Evolution Advanced Long Term Evolution
  • LTE-A New Radio
  • NR New Radio
  • evolution system of NR system LTE (LTE-based Access to Unlicensed Spectrum, LTE-U) system on unlicensed spectrum, NR on unlicensed spectrum (NR-based Access to Unlicensed Spectrum, NR-U) system, Non-Terrestrial Networks (NTN) system, Universal Mobile Telecommunication System (UMTS), Wireless Local Area Networks, WLAN), Wireless Fidelity (Wi-Fi), 6th-Generation (6G) communication system or other communication systems, etc.
  • communication systems can not only support traditional communication systems, but also support device-to-device (D2D) communication, machine-to-machine (M2M) communication, and machine-type communication.
  • D2D device-to-device
  • M2M machine-to-machine
  • MTC machine type communication
  • V2V vehicle to vehicle
  • V2X vehicle to everything
  • NB-IoT narrowband internet of things
  • the spectrum used for communication between the terminal device and the network device, or the spectrum used for communication between the terminal device and the terminal device may be a licensed spectrum or an unlicensed spectrum, which is not limited.
  • unlicensed spectrum can be understood as shared spectrum
  • licensed spectrum can be understood as unshared spectrum.
  • Terminal equipment can be a device with sending and receiving functions, and can also be called terminal, user equipment (UE), remote terminal equipment (remote UE), relay equipment (relay UE), access terminal equipment, Subscriber unit, subscriber station, mobile station, mobile station, remote station, mobile equipment, user terminal equipment, intelligent terminal equipment, wireless communication equipment, user agent or user device.
  • a relay device is a terminal device that can provide relay and forwarding services for other terminal devices (including remote terminal devices).
  • the terminal device can be a mobile phone (mobile phone), a tablet computer (Pad), a computer with wireless transceiver functions, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, an industrial control ( Wireless terminal equipment in industrial control, wireless terminal equipment in unmanned autonomous driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid, and transportation safety Wireless terminal equipment, wireless terminal equipment in smart city (smart city) or wireless terminal equipment in smart home (smart home), etc.
  • a mobile phone mobile phone
  • a tablet computer Pad
  • a computer with wireless transceiver functions a virtual reality (VR) terminal device
  • AR augmented reality
  • an industrial control Wireless terminal equipment in industrial control, wireless terminal equipment in unmanned autonomous driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid, and transportation safety Wireless terminal equipment, wireless terminal equipment in smart city (smart city) or wireless terminal equipment in smart home (smart home), etc.
  • the terminal device may also be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (personal digital assistant, PDA), Handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in next-generation communication systems (such as NR communication systems, 6G communication systems) or public utilities in future evolutions Terminal equipment in the land mobile communication network (public land mobile network, PLMN), etc., are not specifically limited.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • Handheld devices with wireless communication capabilities computing devices or other processing devices connected to wireless modems
  • vehicle-mounted devices wearable devices
  • terminal devices in next-generation communication systems such as NR communication systems, 6G communication systems
  • public utilities in future evolutions Terminal equipment in the land mobile communication network (public land mobile network, PLMN), etc.
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; Deployed on the water (such as ships, etc.); can be deployed in the air (such as aircraft, balloons, satellites, etc.).
  • the terminal device may include a device with a wireless communication function, such as a chip system, a chip, and a chip module.
  • a device with a wireless communication function such as a chip system, a chip, and a chip module.
  • the chip system may include a chip and may also include other discrete devices.
  • a network device can be a device with transceiver functions and is used to communicate with terminal devices.
  • network equipment can be responsible for radio resource management (RRM), quality of service (QoS) management, data compression and encryption, data sending and receiving, etc. on the air interface side.
  • RRM radio resource management
  • QoS quality of service
  • data compression and encryption data sending and receiving, etc. on the air interface side.
  • the network device may be a base station (BS) in the communication system or a device deployed in a radio access network (RAN) to provide wireless communication functions.
  • BS base station
  • RAN radio access network
  • the network device may be an evolved node B (eNB or eNodeB) in the LTE communication system, a next generation evolved node B (ng-eNB) in the NR communication system, NR The next generation node B (gNB) in the communication system, the master node (MN) in the dual connection architecture, the second node or secondary node (SN) in the dual connection architecture, etc., There are no specific restrictions on this.
  • eNB evolved node B
  • ng-eNB next generation evolved node B
  • gNB next generation node B
  • MN master node
  • SN secondary node
  • the network equipment can also be equipment in the core network (core network, CN), such as access and mobility management function (AMF), user plane function (UPF) ), etc.; it can also be access point (AP), relay station in WLAN, communication equipment in the future evolved PLMN network, communication equipment in NTN network, etc.
  • core network CN
  • AMF access and mobility management function
  • UPF user plane function
  • AP access point
  • WLAN wireless local area network
  • communication equipment in the future evolved PLMN network communication equipment in NTN network, etc.
  • the network device may include a device that provides wireless communication functions for terminal devices, such as a chip system, a chip, and a chip module.
  • the chip system may include a chip, or may include other discrete devices.
  • network devices can communicate with Internet Protocol (IP) networks.
  • IP Internet Protocol
  • the Internet can be any Internet Protocol (IP) network.
  • private IP network can be any IP network.
  • the network device may be an independent node to implement the functions of the above-mentioned base station, or the network device may include two or more independent nodes to implement the functions of the above-mentioned base station.
  • network equipment includes centralized units (CU) and distributed units (DU), such as gNB-CU and gNB-DU.
  • DU distributed units
  • the network device may also include an active antenna unit (active antenna unit, AAU).
  • CU implements part of the functions of network equipment
  • DU implements another part of the functions of network equipment.
  • CU is responsible for processing non-real-time protocols and services, implementing the radio resource control (RRC) layer, service data adaptation protocol (SDAP) layer, and packet data convergence protocol (PDCP) layer function.
  • DU is responsible for processing physical layer protocols and real-time services, and implementing the functions of the radio link control (RLC) layer, medium access control (MAC) layer and physical (physical, PHY) layer.
  • RLC radio link control
  • MAC medium access control
  • PHY physical (physical, PHY) layer.
  • AAU can realize some physical layer processing functions, radio frequency processing and active antenna related functions. Since RRC layer information will eventually become PHY layer information, or converted from PHY layer information, under this network deployment, high-level signaling (such as RRC signaling) can be considered to be sent by DU, or Sent jointly by DU and AAU.
  • the network device may include at least one of CU, DU, and AAU.
  • the CU may be divided into network devices in the RAN, or the CU may be divided into network devices
  • the network device can be any site in a multi-site that performs coherent joint transmission (CJT) with the terminal device, or other sites outside the multi-site, or other sites that are related to the terminal device.
  • CJT coherent joint transmission
  • Network equipment for network communication there are no specific restrictions on this.
  • multi-site coherent cooperative transmission can be joint coherent transmission for multiple sites, or different data belonging to the same physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) is sent from different sites to the terminal equipment, or multiple sites are virtualized.
  • PDSCH Physical Downlink Shared Channel
  • 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 parameters.
  • the sites in multi-site coherent cooperative transmission can be radio frequency remote heads (Remote Radio Head, RRH), transmission and reception points (transmission and reception point, TRP), network equipment, etc., and there are no specific restrictions on this.
  • the network device may be any one of the multiple sites that perform non-coherent cooperative transmission with the terminal device, or other sites outside the multi-site, or other network devices that perform network communications with the terminal device.
  • multi-site non-coherent cooperative transmission can be multiple sites joint non-coherent transmission, or different data belonging to the same PDSCH is sent from different sites to the terminal equipment, or different data belonging to the same PDSCH is sent from different sites to the terminal Equipment, 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 parameters.
  • the stations in multi-site non-coherent cooperative transmission can be RRH, TRP, network equipment, etc., and there is no specific limitation on this.
  • the network device may have mobile characteristics, for example, the network device may be a mobile device.
  • the network device can be a satellite or balloon station.
  • the satellite may be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, a high elliptical orbit (HEO) ) satellite, etc.
  • the network device may also be a base station installed on land, water, etc.
  • network equipment can provide services for a cell, and terminal equipment in the cell can communicate with the network equipment through transmission resources (such as spectrum resources).
  • the cell can be a macro cell, a small cell, a metro cell, a micro cell, a pico cell, a femto cell, etc.
  • the communication system 10 may include a network device 110 and a terminal device 120 .
  • the terminal device 120 may communicate with the network device 110 wirelessly.
  • FIG. 1 is only an illustration of the network architecture of a communication system, and does not limit the network architecture of the communication system in the embodiment of the present application.
  • the communication system may also include a server or other devices.
  • the communication system may include multiple network devices and/or multiple terminal devices.
  • CSI can be channel state information used by the terminal device to feed back the downlink channel quality to the network device. That is, the terminal device can feed back the downlink channel quality to the network device based on CSI, so that the network device can select an appropriate modulation and coding strategy for the transmission of downlink data.
  • Modulation and Coding Scheme, MCS Modulation and Coding Scheme
  • BLER Block Error Rate
  • the relevant configuration information for CSI can be defined by the high-level parameter CSI-MeasConfig.
  • CSI-MeasConfig can indicate (include) the following two high-level parameters: CSI resource configuration information (CSI-ResourceConfig) and CSI report configuration information (CSI-ReportConfig).
  • CSI-ReportConfig will indicate (include) CSI-ResourceConfigId
  • CSI-ResourceConfig will be associated (corresponding/mapping) to CSI-ReportConfig through CSI-ResourceConfigId.
  • CSI-ReportConfig is used to configure CSI reporting, that is, configure CSI reporting.
  • CSI-ResourceConfig is used to configure CSI-RS resources for CSI measurement.
  • CSI-ResourceConfig can configure a resource set (such as ResourceSet), and the ResourceSet can include the most basic CSI-RS resources (such as CSI-RS-Resource).
  • CSI-RS-Resource can indicate (include) NZP-CSI-RS resource set (NZP-CSI-RS-ResourceSet), CSI Interference Measurement (CSI-IM) resource set (CSI-IM-ResourceSet), SSB There are three types of resource sets (CSI-SSB-ResourceSet).
  • NZP-CSI-RS-ResourceSet can be used for channel measurement and/or interference measurement; CSI-IM-ResourceSet can be used for interference measurement; CSI-SSB-ResourceSet can be used for channel measurement.
  • the type of CSI-RS resources can be periodic, semi-persistent or aperiodic.
  • the report configuration type (reportConfigType) in CSI-ReportConfig can be used to indicate the report type of the CSI report.
  • the CSI report can be transmitted through the physical uplink control channel (physical uplink control channel, PUCCH) or the physical uplink shared channel (physical uplink shared channel, PUSCH).
  • CSI measurement can be understood as measuring the downlink channel through the CSI-RS resources configured by CSI-ResourceConfig.
  • Report types of CSI reports may include: periodic (periodic) CSI reports, aperiodic (aperiodic) CSI reports, semi-persistent (semi-persistent on PUCCH) CSI reports, and semi-persistent CSI reports carried on PUSCH.
  • the periodic CSI report is carried by the PUCCH. Since PUSCH needs to be used to report aperiodic CSI, aperiodic CSI reports are carried by PUSCH.
  • network equipment will also configure the high-level parameter TriggerState and the high-level parameter reportTriggerSize to cooperate with the CSI request field (CSI request field) in DCI (downlink control information, DCI).
  • CSI request field downlink control information
  • the DCI can be DCI format (format) 0_1 scrambled using SP-CSI-RNTI (semi-persistent CSI RNTI), and the CSI request field in the DCI can pass the code point (codepoint)
  • the settings are associated with the corresponding trigger state (TriggerState).
  • the associated CSI-ReportConfig will be defined in the TriggerState, so that the CSI-ReportConfig associated with the PUSCH upper half-persistent CSI report can be found through the TriggerState.
  • aperiodic CSI-RS transmission and aperiodic CSI reporting are both triggered by DCI, and the process is similar to the above-mentioned semi-persistent CSI reporting.
  • TriggerState When the corresponding TriggerState is associated with the codepoint of the CSI request field in DCI format 0_1/0_2, it is different from the DCI trigger in the above semi-persistent CSI report. If the value of the CSI request field is 0, it means that the half-cycle trigger is not required. CSI report; if the CSI request field value is 1, it means that the aperiodic CSI report associated with TriggerState 1 is triggered, and so on.
  • CSI reports can be reported through broadband (band) or subband (subband).
  • the bandwidth can be defined as the configured bandwidth part (BWP) size
  • the subband can be defined as A continuous physical resource block (PRB)
  • PRB physical resource block
  • the subband size (size) depends on the total number of PRBs in the BWP.
  • the correspondence between the total number of PRBs in BWP and the subband size is shown in Table 2.
  • the terminal device can indicate one of the two possible subband sizes through high-layer signaling (such as the parameter CSI reporting bandwidth (csi-ReportingBand) in CSI-ReportConfig). For example, in Table 2, if the total number of PRBs in the BWP is 24-72, the subband size is 4 or 8. So one out of 4 or 8 is determined via csi-ReportingBand.
  • high-layer signaling such as the parameter CSI reporting bandwidth (csi-ReportingBand) in CSI-ReportConfig.
  • the CSI report may contain at least one of the following CSI parameters (quantities): layer 1 reference signal received power (L1-RSRP), layer 1 signal-to-interference plus noise ratio (layer 1 signal-to- noise and interference ratio, L1-SINR), CSI-related quantities, etc.
  • L1-RSRP layer 1 reference signal received power
  • L1-SINR layer 1 signal-to-interference plus noise ratio
  • CSI-related quantities etc.
  • the CSI related parameters may include at least one of the following: CSI reference signal resource indicator index (CSI-RS Resource Indicator, CRI), synchronization signal block resource indicator index (SS/PBCH block resource indicator, SSBRI), rank indicator index (rank indicator, RI), precoding matrix indicator index (precoding matrix indicator, PMI), channel quality indicator index (channel quality indicator, CQI), layer indicator index (layer indicator, LI), etc.
  • CRI CSI reference signal resource indicator index
  • SS/PBCH block resource indicator SSBRI
  • rank indicator index rank indicator index
  • precoding matrix indicator index precoding matrix indicator
  • PMI channel quality indicator index
  • channel quality indicator index channel quality indicator
  • layer indicator index layer indicator, LI
  • the CRI may represent the CSI-RS (or SSB) resources recommended (or selected) by the terminal device.
  • a CSI-RS (or SSB) resource can represent a beam or antenna direction.
  • RI can represent the number of layers recommended (or selected) by the terminal device, and the number of layers can determine which codebook. Among them, each layer corresponds to a codebook, and a codebook consists of one or more codewords. For example, a codebook with a level of 2 or a codebook with a level of 1. In addition, in MIMO technology, the number of layers can be used to represent the number of transmission links between the sending end and the receiving end.
  • PMI can represent the index of the codeword in the codebook recommended (or selected) by the terminal device, or the quantized precoding information. Among them, one codeword corresponds to one precoding matrix. RI and PMI can collectively represent the number of layers and precoding matrix recommended by the terminal device.
  • CQI can indicate the channel quality of the current channel that the terminal device feeds back to the network device. Among them, the terminal device needs to calculate CQI.
  • the report frequency configuration information (reportFreqConfiguration) in CSI-ReportConfig is used to indicate the frequency granularity (granularity) of the CSI report.
  • the CSI reporting setting configuration can define the CSI reporting band as a subset of the subbands in the bandwidth part (BWP). That is to say, the active BWP may be divided into multiple subbands, and a subset (ie, part of the subbands) of the multiple subbands may be defined as a CSI reporting frequency band.
  • BWP bandwidth part
  • reportFreqConfiguration can indicate:
  • Broadband CQI reporting or subband CQI reporting can be configured by higher layer parameters (such as CQI format indicator cqi-FormatIndicator).
  • CQI format indicator cqi-FormatIndicator When wideband CQI reporting is configured, a wideband CQI is reported for each codeword of the entire CSI reporting band.
  • subband CQI reporting When subband CQI reporting is configured, one CQI for each codeword is reported for each subband in the CSI reporting band.
  • - Broadband PMI reporting or subband PMI reporting can be configured by high-level parameters (such as PMI format indicator pmi-FormatIndicator).
  • wideband PMI reporting report one wideband PMI for the entire CSI reporting band.
  • subband PMI reporting in addition to the 2 antenna ports, a single wideband indication is reported for the entire CSI reporting band and one subband indication is reported for each subband in the CSI reporting band. ).
  • subband PMI is configured with two antenna ports, one PMI is reported for each subband in the CSI reporting band.
  • the transmission direction on the same time domain resource is the same.
  • a TDD system configures the transmission direction at the time slot granularity.
  • the TDD system has limitations on the ratio of uplink and downlink time slots, which results in a large transmission delay in the TDD system.
  • all frequency domain resources of a TDD carrier must have the same transmission direction at the same time, that is, they must be the uplink transmission direction or the downlink transmission direction. Therefore, the uplink and downlink time slot ratios of different frequency domain resources of a TDD carrier cannot be configured flexibly. With the diversification of services, especially considering the business needs of vertical industries, different services have different uplink and downlink transmission requirements, and a single uplink and downlink time slot ratio cannot meet the needs of different services.
  • the network configures time slot 0 and time slot 1 as the downlink transmission direction, and configures time slot 2 as the uplink transmission direction.
  • the network device can only perform downlink communication on time slot 0 and time slot 1, but cannot perform uplink communication; the network device can only perform uplink communication on time slot 2, but cannot perform downlink communication.
  • this results in the terminal equipment being unable to transmit uplink data to the network equipment in time slot 0 and time slot 1, and must wait until time slot 2 before uplink communication can be carried out, resulting in larger transmission costs. time delay.
  • uplink and downlink communication can be carried out simultaneously between network equipment and terminal equipment.
  • a new frequency domain resource allocation method is proposed, that is, using the frequency domain resources in the same time unit as the granularity to configure different transmission directions at the same time, so that different transmissions can be configured for different frequency domain resources at the same time unit at the same time. direction.
  • frequency domain resources that support uplink transmission i.e., uplink frequency domain resources
  • frequency domain resources that support downlink transmission i.e., downlink communication
  • downlink frequency domain resources i.e., downlink frequency domain resources
  • multiple frequency domain resources within the same time unit may include uplink frequency domain resources and downlink frequency domain resources.
  • the uplink frequency domain resources among the multiple frequency domain resources may be continuous in the frequency domain
  • the downlink frequency domain resources among the multiple frequency domain resources may be continuous in the frequency domain.
  • 1 time slot can Supports both uplink and downlink transmission.
  • multiple frequency domain resources are configured in the same time unit. Some frequency domain resources are uplink frequency domain resources, other frequency domain resources are downlink frequency domain resources, and the uplink frequency domain resources are in the frequency domain.
  • the downlink frequency domain resources are continuous in the frequency domain.
  • multiple frequency domain resources within the same time unit include downlink frequency domain resources 211 , uplink frequency domain resources 212 , downlink frequency domain resources 213 , and uplink frequency domain resources 214 .
  • the downlink frequency domain resource 211 is continuous in the frequency domain
  • the uplink frequency domain resource 212 is continuous in the frequency domain
  • the downlink frequency domain resource 213 is continuous in the frequency domain
  • the uplink frequency domain resource 214 is continuous in the frequency domain.
  • the network device configures uplink frequency domain resources and downlink frequency domain resources on time slot 1 and time slot 2 at the same time.
  • the terminal equipment must wait until time slot 2 to perform uplink communication.
  • the terminal equipment can perform uplink communication in time slot 1 without waiting. Time slot 2, thereby reducing transmission delay.
  • Network equipment can perform uplink transmission or downlink transmission with different terminal equipment, which is conducive to meeting the communication needs of different terminal equipment; for terminal equipment with uplink business requirements, the terminal equipment can use uplink frequency domain resources to perform faster The uplink business reduces the transmission delay and greatly improves the flexibility of the communication method of the TDD communication system.
  • this application can determine the frequency domain starting position and size/length of each frequency domain resource in the same time unit through network configuration, preconfiguration or protocol stipulation, so that each frequency domain resource can The frequency domain starting position and the size/length of each frequency domain resource are determined to determine multiple frequency domain resources within the time unit.
  • the network device sends configuration information to the terminal device (the configuration information can be carried by high-level parameters/high-level signaling/DCI/system information, etc.), and the configuration information can be used to configure the time unit.
  • the frequency domain starting position and size of each frequency domain resource can be carried by high-level parameters/high-level signaling/DCI/system information, etc.
  • the time unit can be understood as the communication granularity in the time domain.
  • the time unit can be a subframe, a slot, a symbol, a mini slot, etc., and there is no specific restriction on this.
  • time unit described in this application may be one of subframes, time slots, symbols, mini-slots, etc., and there is no specific limitation on this.
  • this application can configure multiple frequency domain resources in one or more time slots, can configure multiple frequency domain resources in one or more symbols, and can configure multiple frequency domain resources in one or more mini-time slots. resource.
  • frequency domain resources may support different transmission directions.
  • this application can configure the frequency domain resources to support uplink transmission, in which case the frequency domain resources are uplink frequency domain resources; the frequency domain resources can be configured to support downlink transmission, in which case the frequency domain resources are downlink frequency domain resource.
  • frequency domain resources may be subbands, continuous resource block sets (RB sets), etc.
  • the subband here is different from the subband in "(3) CSI report reporting method" mentioned above.
  • the subband here can be understood as a part of the subband divided from a bandwidth. Wherein, the bandwidth may be BWP.
  • Each subband supports either uplink transmission only or downlink transmission only.
  • the continuous RB set here can be understood as multiple continuous RBs.
  • the RB described in this application may be a PRB, a virtual resource block (virtual RB, VRB), etc.
  • the subbands here can be configured on the BWP or on the carrier.
  • the multiple frequency domain resources within the time unit may be multiple subbands within the time unit.
  • SBFD subband non-overlapping full duplex
  • the activated BWP when the new frequency domain resource configuration method is not considered on the activated (active) BWP, the activated BWP will usually
  • the (active) BWP is divided into multiple sub-bands, and a subset (ie, part of the sub-band) of the multiple sub-bands is defined as the CSI reporting frequency band, that is, the CSI reporting frequency band is determined according to the activated BWP, so that the CSI reporting frequency band can be CSI measurements and/or CSI reports.
  • a new frequency domain resource configuration method when a new frequency domain resource configuration method is considered on an activated (active) BWP, there may be frequencies in the activated BWP that overlap with uplink frequency domain resources among multiple frequency domain resources in the same time unit. domain resources. Since CSI measurement and/or CSI reporting need to involve downlink frequency domain resources, this part of the overlapping frequency domain resources may be non-available for CSI measurement and/or CSI reporting, that is, this part of the overlapping frequency domain resources CSI measurements and/or CSI reporting may not be possible. Based on this, this application hopes to solve the problem of how to perform CSI measurement and/or CSI reporting when considering a new frequency domain resource configuration method on the activated BWP, so as to ensure CSI performance.
  • this application can determine the CSI report based on the activated BWP and multiple frequency domain resources within the same time unit. frequency band, and then perform CSI measurement and/or CSI reporting according to the CSI reporting frequency band. Since the determination process of the CSI reporting frequency band comprehensively considers the activated BWP and multiple frequency domain resources within the same time unit, CSI measurement and/or CSI reporting can be performed on the determined CSI reporting frequency band to ensure CSI performance.
  • Unavailable frequency domain resources available frequency domain resources, overlapping, non-overlapping
  • this application there may be frequency domain resources in the activated BWP that overlap with the uplink frequency domain resources in multiple frequency domain resources, and these overlapping frequency domain resources may not be available for CSI measurement and/or CSI reporting. , that is, CSI measurement and/or CSI reporting may not be possible on this part of overlapping frequency domain resources. Therefore, in order to facilitate description and distinction, this application refers to these overlapping frequency domain resources as "unavailable frequency domain resources".
  • the unavailable frequency domain resources may be frequency domain resources in the activated BWP that overlap with uplink frequency domain resources among multiple frequency domain resources.
  • the activated BWP may contain non-overlapping (non-overlapping) frequency domain resources with uplink frequency domain resources in multiple frequency domain resources, and these non-overlapping frequency domain resources may be used for CSI measurement and/or CSI reporting.
  • non-overlapping frequency domain resources are available, that is, this part of non-overlapping frequency domain resources can perform CSI measurement and/or CSI reporting. Therefore, in order to facilitate description and distinction, this application refers to this part of non-overlapping frequency domain resources as "available frequency domain resources".
  • the available frequency domain resources may be frequency domain resources within the activated BWP that do not overlap with the uplink frequency domain resources among the multiple frequency domain resources.
  • each block of unavailable frequency domain resources is continuous in frequency domain, and there may be an available frequency domain resource between every two blocks of unavailable frequency domain resources.
  • Each block of available frequency domain resources is continuous in frequency domain, and there may be an unavailable frequency domain resource between every two blocks of available frequency domain resources.
  • the activated BWP mentioned in this application may be an activated downlink BWP.
  • the communication granularity can be RB, resource element (resource element, RE), RE group (RE group, REG) or sub-unit. Carrier etc.
  • RB is used to determine whether frequency domain resources overlap, as shown in Figure 3.
  • the size of the activated BWP in time slot 0 is 30 RBs
  • the frequency domain starting position of the activated BWP is RB1
  • the frequency domain end position of the activated BWP is RB30.
  • multiple frequency domain resources in time slot 0 also have the same frequency domain starting position RB1 and the same frequency domain ending position RB30.
  • the downlink frequency domain resource 301 of the plurality of frequency domain resources includes 12 RBs from RB1 to RB12
  • the uplink frequency domain resource 302 of the plurality of frequency domain resources includes 12 RBs from RB13 to RB24.
  • the downlink frequency domain resource 303 among the frequency domain resources includes 6 RBs from RB25 to RB30.
  • 6 RBs from RB25 to RB30 as another block of available frequency domain resources within the activated BWP for ease of description and distinction, this block of available frequency domain resources is referred to here as "the second available frequency domain resource" ").
  • this application can determine the CSI reporting frequency band based on the activated BWP and multiple frequency domain resources within the same time unit, so that the CSI reporting frequency band serves as a part of the frequency domain resources of the activated BWP, and the CSI reporting frequency band There may be available subbands and/or unavailable subbands.
  • this application can determine unavailable frequency domain resources and/or available frequency domain resources based on the activated BWP and multiple frequency domain resources, The CSI reporting frequency band is then determined based on unavailable frequency domain resources and/or available frequency domain resources.
  • this application will separately describe how to determine the CSI reporting frequency band based on unavailable frequency domain resources and/or available frequency domain resources.
  • this application can remove unavailable frequency domain resources within the activated BWP, thereby determining the CSI reporting frequency band based on the available frequency domain resources.
  • available frequency domain resources are divided into subbands to determine the CSI reporting frequency band.
  • removing unavailable frequency domain resources can be understood as ignoring/excluding unavailable frequency domain resources.
  • the CSI reporting frequency band can be determined based on available frequency domain resources.
  • this application can ignore 12 RBs from RB13 to RB24, and perform subband division on 12 RBs from RB1 to RB12 and 6 RBs from RB25 to RB30 to determine the CSI reporting frequency band.
  • Option 1 is to divide the available frequency domain resources into sub-bands. In this way, all subbands divided in the available frequency domain resources are located within the available frequency domain resources. In other words, all subbands divided in the available frequency domain resources belong to the available frequency domain resources.
  • all RBs in the available subband do not overlap with uplink frequency domain resources in multiple frequency domain resources, or in other words, all RBs in the available subband are located within the available frequency domain resources.
  • the subbands in the CSI reporting frequency band may include the available subbands.
  • Option 1 is to divide the available frequency domain resources into sub-bands. In this way, the divided subbands are all located within the available frequency domain resources, and then the CSI reporting frequency band is determined based on the divided subbands in the available frequency domain resources, so that the subbands in the CSI reporting frequency band are all located within the available frequency domain resources. .
  • This application can use the following multiple methods to divide subbands to determine the subbands in the CSI reporting frequency band:
  • the subbands in the CSI reporting frequency band may be determined by dividing each block of available frequency domain resources into subbands independently.
  • this application can independently divide each block of available frequency domain resources in the activated BWP into sub-bands, and determine the CSI reporting frequency band based on the divided sub-bands. Since the divided subbands are available subbands, the subbands in the CSI reporting frequency band include available subbands.
  • the size of the starting subband (first subband) and the size of the ending subband (last subband) in this application can be based on network configuration, preconfiguration or Standard protocol regulations, etc.
  • Other subbands can be determined based on network configuration, pre-configuration, standard protocol regulations, etc., or based on the number of remaining RBs in each available frequency domain resource.
  • network configuration subband size is 4, that is And determine the sub-band division as follows:
  • the size of the starting subband is in, Indicates the starting RB for activating BWP and is configured by the network;
  • the size of the ending subband is like Then the size of the ending subband is in, Represents the size of the activated BWP and is configured by the network;
  • Other subbands can be sized as or some other value that is less than And the other values can be determined according to the number of remaining RBs in each block of available frequency domain resources.
  • Example 1 in Figure 3, the activated BWP includes first available frequency domain resources and second available frequency domain resources. Since “Method A” divides each available frequency domain resource into subbands independently, the first available frequency domain resource and the second available frequency domain resource need to be separately divided into subbands. in,
  • the size of the starting subband is The size of the second subband is The size of the third subband is The size of the fourth subband is 1 (here it is 1 because there is only 1 RB left in the first available frequency domain resource), as shown in Figure 4.
  • the second available frequency domain resource is divided into subbands, and the size of the final subband is The size of the fifth subband is 3 (here it is 3 because there are only 3 RBs left in the second available frequency domain resource after excluding the end subband), as shown in Figure 4 .
  • determining the CSI reporting frequency band according to the divided sub-bands may include: constructing at least one of the divided sub-bands into a CSI reporting frequency band.
  • At least one of the starting subband, the second subband, the third subband, the fourth subband, the fifth subband, and the end subband is constructed as a CSI reporting frequency band .
  • the subbands in the CSI reporting frequency band include at least one of the starting subband, the second subband, the third subband, the fourth subband, the fifth subband, and the ending subband, and these subbands Bands are available subbands.
  • the subbands in the CSI reporting frequency band may be determined by jointly dividing multiple blocks of available frequency domain resources into subbands.
  • this application can jointly divide multiple blocks of available frequency domain resources in the activated BWP into sub-bands, and determine the CSI reporting frequency band based on the divided sub-bands. Since the divided subbands are available subbands, the subbands in the CSI reporting frequency band include available subbands.
  • the size of the starting sub-band and the size of the ending sub-band in this application can be based on network configuration, pre-configuration or standard protocol regulations, etc.
  • Other sub-bands It can be determined based on network configuration, pre-configuration or standard protocol provisions, or based on the number of remaining RBs in the joint multi-block available frequency domain resources.
  • network configuration subband size is 4, that is And determine the sub-band division as follows:
  • the size of the starting subband is in, Indicates the starting RB for activating BWP and is configured by the network;
  • the size of the ending subband is like Then the size of the ending subband is in, Represents the size of the activated BWP and is configured by the network;
  • Other subbands can be sized as or some other value that is less than And the other values can be determined according to the remaining number of RBs in the joint multi-block available frequency domain resources.
  • Example 2 in Figure 3, the activated BWP includes first available frequency domain resources and second available frequency domain resources. Since “Method B" is to jointly divide multiple available frequency domain resources into subbands, the first available frequency domain resource and the second available frequency domain resource need to be jointly divided into subbands. in,
  • the size of the starting subband is The size of the second subband is The size of the third subband is The size of the fourth subband is 4.
  • the fourth subband spans the first available frequency domain resource and the second available frequency domain resource.
  • the size of the ending subband is As shown in Figure 5.
  • determining the CSI reporting frequency band according to the divided sub-bands may include: constructing at least one of the divided sub-bands into a CSI reporting frequency band.
  • At least one of the starting subband, the second subband, the third subband, the fourth subband, and the end subband is constructed as a CSI reporting frequency band. That is to say, the subbands in the CSI reporting frequency band include at least one of the starting subband, the second subband, the third subband, the fourth subband, and the ending subband, and these subbands are all available subbands. bring.
  • this application may not remove the unavailable frequency domain resources in the activated BWP, so as to determine the CSI reporting band based on the unavailable frequency domain resources and available frequency domain resources, or determine the CSI based on the activated BWP. Reporting band.
  • unavailable frequency domain resources and available frequency domain resources are divided into sub-bands to determine the CSI reporting frequency band, or the activated BWP is divided into sub-bands to determine the CSI reporting frequency band.
  • this application can divide 30 RBs from RB1 to RB30 into subbands to determine the CSI reporting frequency band.
  • the size of the starting subband (first subband), the size of the ending subband (last subband) and other subbands in this application can be based on network configuration, pre-configuration or standard protocol regulations, etc.
  • network configuration subband size is 4, that is And determine the sub-band division as follows:
  • the size of the starting subband is in, Indicates the starting RB for activating BWP and is configured by the network;
  • the size of the ending subband is like Then the size of the ending subband is in, Represents the size of the activated BWP and is configured by the network;
  • the activated BWP includes first available frequency domain resources, second available frequency domain resources and unavailable frequency domain resources.
  • the size of the starting sub-band is The size of the second subband is The size of the third subband is The size of the fourth subband is The size of the fifth subband is The size of the sixth subband is The size of the seventh subband is The size of the ending subband is As shown in Figure 6.
  • Option 2 is to divide unavailable frequency domain resources and available frequency domain resources into subbands, that is, to divide the activated BWP into subbands. In this way, among the subbands divided in the activated BWP, some subbands may be completely or partially located within the available frequency domain resources, and some subbands may be completely or partially located within the unavailable frequency domain resources.
  • this application may refer to subbands that are completely located within the available frequency domain resources or are partially located within the available frequency domain resources as "available subbands”.
  • ⁇ A subband partially located within the available frequency domain resources can be understood as that part of the RBs of the subband are located within the available frequency domain resources, while another part of the RBs of the subband are located within the unavailable frequency domain resources.
  • the subband may be an "available subband". That is to say, some RBs in the available subbands do not overlap with uplink frequency domain resources in multiple frequency domain resources.
  • the fourth subband may be an "available subband".
  • ⁇ A subband that is completely located within the available frequency domain resources can be understood to mean that all RBs of the subband are located within the available frequency domain resources.
  • the subband may be an "available subband". That is to say, all RBs in the available subbands do not overlap with uplink frequency domain resources in multiple frequency domain resources.
  • the second subband may be an "available subband".
  • this application may refer to subbands that are partially or entirely located within unavailable frequency domain resources as “unavailable subbands”.
  • the unavailable subbands may be subbands in the CSI reporting frequency band except the available subbands.
  • ⁇ A subband partially located within unavailable frequency domain resources can be understood as: part of the RBs of the subband are located within available frequency domain resources, while another part of the RBs of the subband are located within unavailable frequency domain resources.
  • the subband may be an "unavailable subband". That is to say, some RBs in the unavailable subband overlap with uplink frequency domain resources in multiple frequency domain resources.
  • the seventh subband may be an "unusable subband".
  • ⁇ A subband completely located within the unavailable frequency domain resources can be understood to mean that all RBs of the subband are located within the unavailable frequency domain resources.
  • the subband may be an "unavailable subband". That is, all RBs in the available subband overlap with uplink frequency domain resources in multiple frequency domain resources.
  • the fifth subband may be an "unusable subband".
  • Available subbands start subband, second subband, third subband, end subband; unavailable subbands: fourth subband, fifth subband, sixth subband, seventh subband;
  • Available subbands starting subband, second subband, third subband, fourth subband, seventh subband, end subband; unavailable subbands: fifth subband, sixth subband.
  • this application can determine the CSI report frequency band based on the subbands divided among the unavailable frequency domain resources and the available frequency domain resources (activated BWP), so that the subbands in the CSI report frequency band may be located in the available frequency domain resources. and/or within unavailable frequency domain resources.
  • the CSI reporting frequency band can be determined in the following ways:
  • determining the CSI reporting frequency band based on unavailable frequency domain resources and available frequency domain resources may include: dividing the unavailable frequency domain resources and available frequency domain resources (activated BWP) At least one of the available subbands of the subbands is configured as a CSI reporting band.
  • the CSI reporting frequency band may include available subbands.
  • the subbands divided in the activated BWP exist as follows:
  • Available subbands starting subband, second subband, third subband, end subband;
  • Unavailable subbands fourth subband, fifth subband, sixth subband, seventh subband;
  • At least one of the available subbands is constructed as a CSI reporting band. That is to say, the subbands in the CSI reporting frequency band include at least one of a starting subband, a second subband, a third subband, and an ending subband.
  • determining the CSI reporting frequency band based on unavailable frequency domain resources and available frequency domain resources may include: dividing the unavailable frequency domain resources and available frequency domain resources (activated BWP) At least one of the subbands is constructed as a CSI reporting band.
  • the CSI report frequency band may include available subbands and/or unavailable subbands.
  • the subbands in the CSI reporting frequency band need to include available subbands. Therefore, the CSI report band includes available subbands; alternatively, the CSI report band may include available subbands and unavailable subbands.
  • the subbands divided in the activated BWP exist as follows:
  • Available subbands starting subband, second subband, third subband, end subband;
  • Unavailable subbands fourth subband, fifth subband, sixth subband, seventh subband;
  • the subbands in the CSI reporting frequency band include the starting subband, the second subband, the third subband, the fourth subband, the fifth subband, the sixth subband, the seventh subband, and the end subband. at least one of them.
  • the subbands in the CSI reporting frequency band may include available subbands, or may include available subbands and unavailable subbands.
  • the subband in the CSI reporting frequency band may be associated with at least one CSI-RS resource, and the at least one CSI-RS resource is included in at least one ResourceSet.
  • the CSI-RS resources associated with the subbands in the CSI reporting frequency band can be in the same ResourceSet or in different ResourceSets, and there is no specific restriction on this.
  • this application can perform CSI measurement on the downlink channel based on the CSI-RS resources associated with the subbands in the CSI reporting frequency band, thereby implementing CSI measurement based on the CSI reporting frequency band.
  • each subband in the CSI reporting frequency band is associated with CSI-RS resources, CSI measurements are performed on the downlink channel according to the CSI-RS resources associated with each subband, so as to obtain the CSI parameters of each subband.
  • the CSI parameters may include at least one of the following: L1-RSRP, L1-SINR, CSI related parameters, etc.
  • the CSI related parameters may include at least one of the following: CRI, SSBRI, RI, PMI, CQI, LI, etc.
  • each CSI-RS resource in the same ResourceSet has different starting positions and/or different lengths.
  • the CSI-RS resources associated with the subbands in the CSI reporting frequency band may be in the same ResourceSet, and these CSI-RS resources in the same ResourceSet have different starting positions and different lengths, so that Perform CSI measurement on the downlink channel based on these CSI-RS resources.
  • the starting position can be the starting RB, and the length can be the number of RBs. That is to say, each CSI-RS resource in the same ResourceSet has different starting RBs and/or different numbers of RBs.
  • the subbands in the CSI reporting frequency band may include available subbands, or may include available subbands and unavailable subbands.
  • this application can report CSI reports according to the subbands in the CSI reporting frequency band, and the details are as follows:
  • the available subbands may be used to report CSI reports.
  • the reported CSI report may include CSI parameters of available subbands.
  • the available subbands in the CSI reporting frequency band include available subbands and unavailable subbands
  • the available subbands may be used to report CSI reports, and the unavailable subbands may not be used to report CSI reports.
  • the reported CSI report may include CSI parameters of available subbands.
  • both the available subbands and the unavailable subbands in the CSI report frequency band may be used to report CSI reports. Since CSI measurement cannot be performed on the unavailable subband, there is no CSI parameter for the unavailable subband. At this time, fixed information needs to be filled in the CSI report reported by the unavailable subband. The fixed information may be network configuration, preconfiguration or standard protocol definition. Finally, the reported CSI report may include CSI parameters and fixed information of available subbands.
  • the reporting method of the CSI report in this application can be configured by high-layer parameters/high-layer signaling.
  • the reporting methods of CSI reports can exist as follows:
  • ⁇ CSI reports are reported through broadband, that is, broadband CSI reports
  • the CSI parameters or fixed information of each subband in the CSI reporting frequency band are combined and reported through the same CSI report. That is to say, a combined CSI parameter and/or fixed information is reported for each sub-band in the CSI reporting frequency band.
  • the CSI parameters of each available subband are combined and reported through the same CSI report;
  • the CSI parameters of each available subband and the fixed information of each unavailable subband are combined to report through the same CSI report.
  • the subbands in the CSI reporting frequency band are associated with at least one CSI-RS resource, if the CSI-RS resources associated with each subband in the CSI reporting frequency band are in the same ResourceSet, the same ResourceSet corresponds to the same CSI report, and the same CSI report includes CSI parameters or fixed information of each subband in the CSI reporting frequency band.
  • Each CSI includes CSI parameters or fixed information of the subband associated with its corresponding ResourceSet.
  • ⁇ CSI reports are reported through subbands, that is, subband CSI reports
  • the CSI parameters or fixed information of each subband in the CSI reporting frequency band are reported separately. That is to say, one CSI parameter is reported for each sub-band in the CSI reporting frequency band.
  • the CSI parameters of each available subband are separately reported in the CSI report;
  • the CSI parameters of each available subband are reported separately in the CSI report, and the fixed information of each unavailable subband is reported separately in the CSI report. of reporting.
  • the network device may be a chip, a chip module, a communication module, etc.
  • the terminal device may be a chip, a chip module, a communication module, etc. That is to say, this method is applied to network equipment or terminal equipment, and there is no specific restriction on this.
  • FIG. 7 it is a schematic flow chart of a communication method according to an embodiment of the present application, which specifically includes the following steps:
  • the terminal device performs CSI measurement and/or CSI reporting based on the channel state information CSI reporting band.
  • the CSI reporting band is determined based on the activated bandwidth part BWP and multiple frequency domain resources within the same time unit.
  • the multiple frequency domains Resources include uplink frequency domain resources and downlink frequency domain resources.
  • the uplink frequency domain resources among the plurality of frequency domain resources are continuous in the frequency domain, and the downlink frequency domain resources among the plurality of frequency domain resources are continuous in the frequency domain.
  • the network device receives the CSI report.
  • CSI report frequency band "CSI measurement”, “CSI report”, “multiple frequency domain resources in the same time unit”, etc. are detailed in the above content and will not be described again.
  • this application can perform CSI measurement and/or CSI reporting based on the activated BWP and multiple frequency domain resources within the same time unit.
  • To determine the CSI reporting frequency band and then perform CSI measurement and/or CSI reporting according to the CSI reporting frequency band. Since the determination process of the CSI reporting frequency band comprehensively considers the activated BWP and multiple frequency domain resources within the same time unit, CSI measurement and/or CSI reporting can be performed on the determined CSI reporting frequency band to ensure CSI performance.
  • the CSI reporting frequency band is determined based on the activated BWP and multiple frequency domain resources in the same time unit, which may include:
  • the CSI reporting frequency band is determined based on unavailable frequency domain resources and/or available frequency domain resources;
  • Unavailable frequency domain resources are frequency domain resources within the activated BWP that overlap with uplink frequency domain resources among multiple frequency domain resources;
  • Available frequency domain resources are frequency domain resources within the activated BWP that do not overlap with uplink frequency domain resources among multiple frequency domain resources.
  • this application can determine unavailable frequency domain resources and/or available frequency domain resources based on the activated BWP and multiple frequency domain resources, and then determine the unavailable frequency domain resources based on the unavailable frequency domain resources.
  • Frequency domain resources and/or available frequency domain resources are used to determine the CSI reporting frequency band. Since the CSI report frequency band can be determined according to available frequency domain resources, the CSI report frequency band can be within the available frequency domain resources. In this way, it is beneficial to perform CSI measurement and/or CSI reporting according to the CSI reporting frequency band.
  • determination based on unavailable frequency domain resources and/or available frequency domain resources may include:
  • this application can remove unavailable frequency domain resources in the activated BWP.
  • the CSI reporting frequency band can be determined according to the available frequency domain resources, so that the CSI reporting frequency band can be within the available frequency domain resources, so as to facilitate CSI measurement and/or CSI reporting according to the CSI reporting frequency band.
  • the subbands in the CSI reporting frequency band are determined based on available frequency domain resources, and the subbands in the CSI reporting frequency band include available subbands;
  • All RBs in the available subbands are non-overlapping with uplink frequency domain resources in multiple frequency domain resources.
  • Option 1 is to divide the available frequency domain resources into sub-bands. In this way, all subbands divided in the available frequency domain resources are located within the available frequency domain resources.
  • this application determines the subbands in the CSI reporting frequency band according to the divided subbands in the available frequency domain resources, the subbands in the CSI reporting frequency band may include available subbands.
  • the subbands in the CSI reporting frequency band are determined based on available frequency domain resources, including:
  • the subbands in the CSI reporting frequency band are determined by dividing each available frequency domain resource into subbands independently; or,
  • the subbands in the CSI reporting frequency band are determined by jointly dividing multiple blocks of available frequency domain resources into subbands.
  • this application can independently divide each block of available frequency domain resources into sub-bands to determine the sub-bands in the CSI reporting frequency band, or multiple blocks of available frequency domain resources can be divided into sub-bands.
  • Frequency domain resources are jointly divided into subbands to determine the subbands in the CSI reporting frequency band, thereby dividing the subbands in multiple ways to determine the subbands in the CSI reporting frequency band.
  • the determination is based on unavailable frequency domain resources and/or available frequency domain resources, including:
  • Unavailable frequency domain resources within the activated BWP are not removed and are determined based on unavailable frequency domain resources and available frequency domain resources.
  • this application does not need to remove the unavailable frequency domain resources in the activated BWP.
  • the CSI reporting frequency band can be determined according to the unavailable frequency domain resources and the available frequency domain resources, so that the CSI reporting frequency band can be within the available frequency domain resources, so as to facilitate CSI measurement and/or CSI reporting according to the CSI reporting frequency band.
  • the subbands in the CSI reporting frequency band are determined based on unavailable frequency domain resources and available frequency domain resources, and the subbands in the CSI reporting frequency band include available subbands;
  • Some RBs in the available subbands do not overlap with uplink frequency domain resources in multiple frequency domain resources; and/or,
  • All RBs in the available subbands are non-overlapping with uplink frequency domain resources in multiple frequency domain resources.
  • “Option 2” is to divide the unavailable frequency domain resources and the available frequency domain resources into sub-bands, that is, to divide the activated BWP into sub-bands. In this way, among the subbands divided in the activated BWP, some subbands may completely All or part of it lies within the available frequency domain resources.
  • the subbands in the CSI report frequency band may include available subbands, and the available subbands are completely located in the available frequency domain resources or Some are within available frequency domain resources.
  • the subbands in the CSI reporting frequency band are determined based on unavailable frequency domain resources and available frequency domain resources, and the subbands in the CSI reporting frequency band include available subbands and unavailable subbands;
  • Some RBs in the available subbands do not overlap with uplink frequency domain resources in multiple frequency domain resources; and/or,
  • All RBs in the available subbands do not overlap with uplink frequency domain resources in multiple frequency domain resources;
  • Unavailable subbands are subbands in the CSI reporting frequency band except available subbands.
  • “Option 2” is to divide the unavailable frequency domain resources and the available frequency domain resources into sub-bands, that is, to divide the activated BWP into sub-bands. In this way, among the subbands divided in the activated BWP, some subbands may be completely or partially located within the available frequency domain resources, and some subbands may be completely or partially located within the unavailable frequency domain resources.
  • the subbands in the CSI report frequency band may include available subbands and unavailable subbands, and the available subbands are completely or Part of the subband is located within the available frequency domain resources, and part or all of the unavailable subbands are located within the unavailable frequency domain resources.
  • available subbands within the CSI reporting frequency band are used to report CSI reports.
  • both available subbands and unavailable subbands within the CSI reporting frequency band are used to report CSI reports, and the CSI reports reported by the unavailable subbands are filled with fixed information.
  • a subband in the CSI reporting frequency band is associated with at least one channel state information reference signal CSI-RS resource, and the at least one CSI-RS resource is included in at least one resource set.
  • this application can perform CSI measurement on the downlink channel based on the CSI-RS resources associated with the subbands in the CSI reporting frequency band, thereby achieving Perform CSI measurements based on the CSI reporting band.
  • the same resource set corresponds to the same CSI report
  • the same CSI report includes the CSI report frequency band CSI parameters or fixed information of each subband in .
  • this application can put the CSI-RS resources associated with each subband in the CSI reporting frequency band into the same resource set, and the The same resource set corresponds to the same CSI report, thereby realizing broadband CSI reporting.
  • each CSI-RS resource in the same resource set has different starting positions and/or different lengths.
  • the CSI-RS resources associated with the subbands in the CSI reporting frequency band can be in the same ResourceSet, and these CSI-RS resources in the same ResourceSet CSI-RS resources have different starting positions and different lengths, so that CSI measurements can be performed on downlink channels based on these CSI-RS resources.
  • the terminal device or network device includes corresponding hardware structures and/or software modules for performing each function.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software with the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein. Whether a function is performed by hardware or computer software driving the hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functionality for each specific application, but such implementations should not be considered to be beyond the scope of this application.
  • Embodiments of the present application can divide the terminal device or network device into functional units according to the above method examples.
  • each functional unit can be divided corresponding to each function, or two or more functions can be integrated into one processing unit.
  • the above integrated units can be implemented in the form of hardware or software program modules. It should be noted that the division of units in the embodiment of the present application is schematic and is only a logical function division, and there may be other division methods in actual implementation.
  • FIG. 8 is a functional unit block diagram of a communication device according to an embodiment of the present application.
  • communication device 800 includes: processing unit 801.
  • the processing unit 801 may be a module unit used to process signals, data, information, etc., which is not specifically limited.
  • the communication device 800 may also include a storage unit for storing computer program codes or instructions executed by the communication device 800 .
  • the storage unit may be a memory.
  • the communication device 800 may be a chip or a chip module.
  • processing unit 801 may be integrated in other units.
  • the processing unit 801 may be integrated in the communication unit.
  • the communication unit may be a communication interface, a transceiver, a transceiver circuit, etc.
  • the processing unit 801 may be a processor or a controller, such as a baseband processor, a baseband chip, a central processing unit (CPU), a general-purpose processor, a digital signal processor (digital signal processor) processor, DSP), application-specific integrated circuit (application-specific integrated circuit, ASIC), field programmable gate array (field programmable gate array, FPGA) or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It may implement or execute the various illustrative logical blocks, modules, and circuits described in connection with this disclosure.
  • the processing unit may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, etc.
  • the processing unit 801 is configured to perform any step performed by the terminal device/chip/chip module, etc. in the above method embodiment, such as sending or receiving data, etc. Detailed explanation below.
  • processing unit 801 is configured to perform any step in the above method embodiments, and when performing actions such as sending, may optionally call other units to complete corresponding operations. Detailed explanation below.
  • the processing unit 801 is configured to perform CSI measurement and/or CSI reporting according to the channel state information CSI reporting frequency band.
  • the CSI reporting frequency band is determined according to the activated bandwidth part BWP and multiple frequency domain resources within the same time unit.
  • the multiple frequency domain resources are Frequency domain resources include uplink frequency domain resources and downlink frequency domain resources.
  • this application can perform CSI measurement and/or CSI reporting based on the activated BWP and multiple frequency domain resources within the same time unit.
  • To determine the CSI reporting frequency band and then perform CSI measurement and/or CSI reporting according to the CSI reporting frequency band. Since the determination process of the CSI reporting frequency band comprehensively considers the activated BWP and multiple frequency domain resources within the same time unit, CSI measurement and/or CSI reporting can be performed on the determined CSI reporting frequency band to ensure CSI performance.
  • FIG. 9 is a functional unit block diagram of yet another communication device according to an embodiment of the present application.
  • the communication device 900 includes: a receiving unit 901.
  • the receiving unit 901 may be a module unit used to process signals, data, information, etc., which is not specifically limited.
  • the communication device 900 may further include a storage unit for storing computer program codes or instructions executed by the communication device 900 .
  • the storage unit may be a memory.
  • the communication device 900 may be a chip or a chip module.
  • the receiving unit 901 may be integrated in other units.
  • the receiving unit 901 may be integrated in the communication unit.
  • the communication unit may be a communication interface, a transceiver, a transceiver circuit, etc.
  • the receiving unit 901 may be integrated in the processing unit.
  • the processing unit may be a processor or a controller, such as a baseband processor, a baseband chip, a CPU, a DSP, an ASIC, an FPGA, or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It may implement or execute the various illustrative logical blocks, modules, and circuits described in connection with this disclosure.
  • the processing unit may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, etc.
  • the receiving unit 901 is configured to perform any step performed by the network device/chip/chip module, etc. in the above method embodiment, such as sending or receiving data transmission. Detailed explanation below.
  • the receiving unit 901 is used to perform any step in the above method embodiments, and when performing actions such as receiving, it can optionally call other units to complete corresponding operations. Detailed explanation below.
  • the receiving unit 901 is configured to receive a CSI report.
  • the CSI report is performed based on the channel state information CSI reporting band.
  • the CSI reporting band is determined based on the activated bandwidth part BWP and multiple frequency domain resources within the same time unit.
  • the multiple frequency domain resources include uplink frequency domain resources and downlink frequency domain resources.
  • this application can perform CSI measurement and/or CSI reporting based on the activated BWP and multiple frequency domain resources within the same time unit.
  • To determine the CSI reporting frequency band and then perform CSI measurement and/or CSI reporting according to the CSI reporting frequency band. Since the determination process of the CSI reporting frequency band comprehensively considers the activated BWP and multiple frequency domain resources within the same time unit, CSI measurement and/or CSI reporting can be performed on the determined CSI reporting frequency band to ensure CSI performance.
  • the terminal device 1000 includes a processor 1010, a memory 1020, and a communication bus used to connect the processor 1010 and the memory 1020.
  • the memory 1020 includes but is not limited to random access memory (RAM), 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).
  • RAM random access memory
  • ROM read-only memory
  • EPROM erasable programmable read-only memory
  • CD-ROM compact disc read-only memory
  • the terminal device 1000 also includes a communication interface for receiving and sending data.
  • the processor 1010 may be one or more central processing units (CPUs).
  • the central processing unit (CPU) may be a single core.
  • Central processing unit (CPU) which can also be a multi-core central processing unit (CPU).
  • the processor 1010 can be a baseband chip, a chip, a central processing unit (CPU), a general-purpose processor, a DSP, an ASIC, an FPGA or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof.
  • CPU central processing unit
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field-programmable gate array
  • the processor 1010 in the terminal device 1000 is used to execute the computer program or instructions 1021 stored in the memory 1020 to perform the following operations:
  • the CSI reporting frequency band is determined based on the activated bandwidth part BWP and multiple frequency domain resources within the same time unit.
  • the multiple frequency domain resources include uplink frequency domain resources. domain resources and downlink frequency domain resources.
  • this application can perform CSI measurement and/or CSI reporting based on the activated BWP and multiple frequency domain resources within the same time unit.
  • To determine the CSI reporting frequency band and then perform CSI measurement and/or CSI reporting according to the CSI reporting frequency band. Since the determination process of the CSI reporting frequency band comprehensively considers the activated BWP and multiple frequency domain resources within the same time unit, CSI measurement and/or CSI reporting can be performed on the determined CSI reporting frequency band to ensure CSI performance.
  • the network device 1100 includes a processor 1110, a memory 1120, and a communication bus used to connect the processor 1110 and the memory 1120.
  • the memory 1120 includes but is not limited to RAM, ROM, EPROM or CD-ROM, and the memory 1120 is used to store related instructions and data.
  • network device 1100 also includes a communication interface for receiving and sending data.
  • the processor 1110 may be one or more central processing units (CPUs).
  • the central processing unit (CPU) may be a single core.
  • Central processing unit (CPU) which can also be a multi-core central processing unit (CPU).
  • the processor 1110 may be a baseband chip, a chip, a central processing unit (CPU), a general-purpose processor, a DSP, an ASIC, an FPGA or other programmable logic device, a transistor logic device, a hardware component, or any combination thereof.
  • CPU central processing unit
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field-programmable gate array
  • the processor 1110 in the network device 1100 is configured to execute the computer program or instructions 1121 stored in the memory 1120 to perform the following operations:
  • the CSI report is performed based on the channel state information CSI reporting band.
  • the CSI reporting band is determined based on the activated bandwidth part BWP and multiple frequency domain resources within the same time unit.
  • the multiple frequency domains Resources include uplink frequency domain resources and downlink frequency domain resources.
  • this application can perform CSI measurement and/or CSI reporting based on the activated BWP and multiple frequency domain resources within the same time unit.
  • To determine the CSI reporting frequency band and then perform CSI measurement and/or CSI reporting according to the CSI reporting frequency band. Since the determination process of the CSI reporting frequency band comprehensively considers the activated BWP and multiple frequency domain resources within the same time unit, CSI measurement and/or CSI reporting can be performed on the determined CSI reporting frequency band to ensure CSI performance.
  • the above method embodiments may be applied to or in terminal devices. That is to say, the execution subject of the above method embodiment can be a terminal device, a chip, a chip module or a module, etc., and there is no specific limitation on this.
  • the above method embodiments may be applied to or in network equipment. That is to say, the execution subject of the above method embodiment can be a network device, a chip, a chip module or a module, etc., and there is no specific limitation on this.
  • An embodiment of the present application also provides a chip, including a processor, a memory, and a computer program or instructions stored on the memory, wherein the processor executes the computer program or instructions to implement the steps described in the above method embodiments.
  • Embodiments of the present application also provide a chip module, including a transceiver component and a chip.
  • the chip includes a processor, a memory, and a computer program or instructions stored on the memory.
  • the processor executes the computer program or instructions to Implement the steps described in the above method embodiment.
  • Embodiments of the present application also provide a computer-readable storage medium that stores computer programs or instructions. When the computer program or instructions are executed, the steps described in the above method embodiments are implemented.
  • Embodiments of the present application also provide a computer program product, which includes a computer program or instructions. When the computer program or instructions are executed, the steps described in the above method embodiments are implemented.
  • An embodiment of the present application also provides a communication system, including the above-mentioned terminal device and network device.
  • the steps of the method or algorithm described in the embodiments of the present application may be implemented in hardware, or may be implemented by a processor executing software instructions.
  • Software instructions can be composed of corresponding software modules.
  • Software modules can be stored in RAM, flash memory, ROM, EPROM, electrically erasable programmable read-only memory (EPROM, EEPROM), registers, hard disks, removable hard disks, and read-only disks ( CD-ROM) or any other form of storage media well known in the art.
  • An exemplary storage medium is coupled to the processor such that the processor can read information from the storage medium and write information to the storage medium.
  • the storage medium can also be an integral part of the processor.
  • the processor and storage media may be located in an ASIC. Additionally, the ASIC can be located in the terminal device or management device.
  • the processor and the storage medium may also exist as discrete components in the terminal device or management device.
  • the functions described in the embodiments of the present application may be implemented in whole or in part through software, hardware, firmware, or any combination thereof. When implemented using software, it can be calculated in whole or in part Implemented in the form of machine program products.
  • the computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, the processes or functions described in the embodiments of the present application are generated in whole or in part.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instructions can be transmitted from a website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means Transmission to another website, computer, server or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or data center integrated with one or more available media.
  • the available media may be magnetic media (eg, floppy disk, hard disk, tape), optical media (eg, digital video disc (DVD)), or semiconductor media (eg, solid state disk (SSD)) wait.
  • Each module/unit included in each device and product described in the above embodiments may be a software module/unit or a hardware module/unit, or may be partly a software module/unit and partly a hardware module/unit.
  • each module/unit included therein can be implemented in the form of hardware such as circuits, or at least some of the modules/units can be implemented in the form of a software program.
  • the software program Running on the processor integrated inside the chip, the remaining (if any) modules/units can be implemented using circuits and other hardware methods; for various devices and products applied to or integrated into the chip module, each module/unit included in it can They are all implemented in the form of hardware such as circuits.
  • Different modules/units can be located in the same component of the chip module (such as chips, circuit modules, etc.) or in different components. Alternatively, at least some modules/units can be implemented in the form of software programs. The software program runs on the processor integrated inside the chip module, and the remaining (if any) modules/units can be implemented using circuits and other hardware methods; for each device and product that is applied or integrated into the terminal equipment, the various modules/units it contains Modules/units can all be implemented in the form of hardware such as circuits. Different modules/units can be located in the same component (for example, chip, circuit module, etc.) or in different components within the terminal device, or at least some of the modules/units can use software programs. This software program runs on the processor integrated inside the terminal device, and the remaining (if any) modules/units can be implemented using circuits and other hardware methods.

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Abstract

本申请公开了通信方法与装置、终端设备、网络设备和芯片，涉及通信技术领域；该方法包括：终端设备根据CSI报告频带进行CSI测量和/或CSI报告，该CSI报告频带是根据激活的BWP和相同的时间单元内的多个频域资源确定，该多个频域资源包括上行频域资源和下行频域资源；对应的，网络设备接收该CSI报告。本申请可以根据激活的BWP和相同的时间单元内的多个频域资源来确定CSI报告频带，再根据CSI报告频带来进行CSI测量和/或CSI报告。由于CSI报告频带的确定过程是综合考虑了激活的BWP和相同的时间单元内的多个频域资源，因此所确定出的CSI报告频带可以进行CSI测量和/或CSI报告，以便保证CSI性能。

Description

通信方法与装置、终端设备、网络设备和芯片 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与装置、终端设备、网络设备和芯片。
背景技术
第三代合作伙伴计划组织(3rd Generation Partnership Project，3GPP)所规定的标准协议引入了信道状态信息(channel state information，CSI)。
CSI是终端设备用于将下行信道质量反馈给网络设备的信道状态信息，以便网络设备对下行数据的传输选择一个合适的调制与编码策略(Modulation and Coding Scheme，MCS)，减少下行数据传输的误块率(Block Error Rate，BLER)，以及执行相应的波束管理、移动性管理、适配追踪、速率匹配等处理。
然而，随着标准协议和通信场景的演变，可能会引入新的频域资源分配方式，在该新的频域资源分配方式下，如何进行CSI测量和/或CSI报告，还需要进一步研究。
发明内容
本申请提供了一种通信方法与装置、终端设备、网络设备和芯片，以期望解决在新的频域资源分配下如何进行CSI测量和/或CSI报告的问题，从而保证CSI性能。
第一方面，为本申请的一种通信方法，包括：
根据信道状态信息CSI报告频带进行CSI测量和/或CSI报告，所述CSI报告频带是根据激活的带宽部分BWP和相同的时间单元内的多个频域资源确定，所述多个频域资源包括上行频域资源和下行频域资源。
可见，由于本申请实施例在激活的BWP上考虑相同的时间单元内的多个频域资源，使得该激活的BWP中可能存在与相同的时间单元内的多个频域资源中的上行频域资源重叠的频域资源。由于CSI测量和/或CSI报告需要涉及下行频域资源，因此这部分重叠的频域资源可能对于CSI测量和/或CSI报告是不可用的，即这部分重叠的频域资源可能无法进行CSI测量和/或CSI报告。
为了实现在激活的BWP上考虑相同的时间单元内的多个频域资源的情况下进行CSI测量和/或CSI报告，本申请可以根据激活的BWP和相同的时间单元内的多个频域资源来确定CSI报告频带，再根据CSI报告频带来进行CSI测量和/或CSI报告。由于CSI报告频带的确定过程是综合考虑了激活的BWP和相同的时间单元内的多个频域资源，因此所确定出的CSI报告频带可以进行CSI测量和/或CSI报告，以便保证CSI性能。
第二方面，为本申请的一种通信方法，包括：
接收CSI报告，所述CSI报告是根据信道状态信息CSI报告频带进行的，所述CSI报告频带是根据激活的带宽部分BWP和相同的时间单元内的多个频域资源确定，所述多个频域资源包括上行频域资源和下行频域资源。
第三方面，为本申请的一种通信装置，包括：
处理单元，用于根据信道状态信息CSI报告频带进行CSI测量和/或CSI报告，所述CSI报告频带是根据激活的带宽部分BWP和相同的时间单元内的多个频域资源确定，所述多个频域资源包括上行频域资源和下行频域资源。
第四方面，为本申请的一种通信装置，包括：
接收单元，用于接收CSI报告，所述CSI报告是根据信道状态信息CSI报告频带进行的，所述CSI报告频带是根据激活的带宽部分BWP和相同的时间单元内的多个频域资源确定，所述多个频域资源包括上行频域资源和下行频域资源。
第五方面，上述第一方面所设计的方法中的步骤应用于终端设备或者终端设备之中。
第六方面，上述第二方面所设计的方法中的步骤应用于网络设备或者网络设备之中。
第七方面，为本申请的一种终端设备，包括处理器、存储器及存储在所述存储器上的计算机程序或指令，其中，所述处理器执行所述计算机程序或指令以实现上述第一方面所设计的方法中的步骤。
第八方面，为本申请的一种网络设备，包括处理器、存储器及存储在所述存储器上的计算机程序或指令，其中，所述处理器执行所述计算机程序或指令以实现上述第二方面所设计的方法中的步骤。
第九方面，为本申请的一种芯片，包括处理器和通信接口，其中，所述处理器执行上述第一方面或第二方面所设计的方法中的步骤。
第十方面，为本申请的一种芯片模组，包括收发组件和芯片，所述芯片包括处理器，其中，所述处理器执行上述第一方面或第二方面所设计的方法中的步骤。
第十一方面，为本申请的一种计算机可读存储介质，其中，其存储有计算机程序或指示，所述计算机程序或指令被执行时实现上述第一方面或第二方面所设计的方法中的步骤。例如，所述计算机程序或指令被处理器执行。
第十二方面，为本申请的一种计算机程序产品，包括计算机程序或指令，其中，该计算机程序或指令被执行时实现上述第一方面或第二方面所设计的方法中的步骤。例如，所述计算机程序或指令被处理器执行。
第十三方面，为本申请的一种通信系统，包括第七方面中的终端设备和第八方面中的网络设备。
第二方面至第十三方面的技术方案所带来的有益效果可以参见第一方面的技术方案所带来的技术效果，此处不再赘述。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍。
图1是本申请实施例的一种通信系统的架构示意图；
图2是本申请实施例的一种相同的时间单元内的多个频域资源的结构示意图；
图3是本申请实施例的一种激活的BWP和相同的时间单元内的多个频域资源的结构示意图；
图4是本申请实施例的一种将每块可用频域资源独立划分子带之后的子带的结构示意图；
图5是本申请实施例的一种将多块可用频域资源联合划分子带之后的子带的结构示意图；
图6是本申请实施例的一种将不可用频域资源和可用频域资源进行子带划分之后的子带的结构示意图；
图7是本申请实施例的一种通信方法的流程示意图；
图8是本申请实施例的一种通信装置的功能单元组成框图；
图9是本申请实施例的又一种通信装置的功能单元组成框图；
图10是本申请实施例的一种终端设备的结构示意图；
图11是本申请实施例的一种网络设备的结构示意图。
具体实施方式
应理解，本申请实施例中涉及的术语“第一”、“第二”等是用于区别不同对象，而不是用于描述特定顺序。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如，包含了一系列步骤或单元的过程、方法、软件、产品或设备没有限定于已列出的步骤或单元，而是还包括没有列出的步骤或单元，或还包括对于这些过程、方法、产品或设备固有的其他步骤或单元。
本申请实施例中涉及的“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
本申请实施例中的“和/或”，描述关联对象的关联关系，表示可以存在三种关系。例如，A和/或B，可以表示如下三种情况：单独存在A；同时存在A和B；单独存在B。其中，A、B可以是单数或者复数。
本申请实施例中，符号“/”可以表示前后关联对象是一种“或”的关系。另外，符号“/”也可以表示除号，即执行除法运算。例如，A/B，可以表示A除以B。
本申请实施例中的“至少一项(个)”或其类似表达，是指这些项中的任意组合，包括单项(个)或复数项(个)的任意组合，是指一个或多个，多个指的是两个或两个以上。例如，a、b或c中的至少一项(个)，可以表示如下七种情况：a，b，c，a和b，a和c，b和c，a、b和c。其中，a、b、c中的每一个可以是元素，也可以是包含一个或多个元素的集合。
本申请实施例中的“等于”可以与大于连用，适用于大于时所采用的技术方案，也可以与小于连用，适用于与小于时所采用的技术方案。当等于与大于连用时，不与小于连用；当等于与小于连用时，不与大于连用。
本申请实施例中涉及“的(of)”、“相应的(corresponding/relevant)”、“对应的(corresponding)”、“指示的(indicated)”有时可以混用。应当指出的是，在不强调其区别时，其所要表达的含义是一致的。
本申请实施例中的“连接”是指直接连接或者间接连接等各种连接方式，以实现设备间的通信，对此不做任何限定。
本申请实施例中的“网络”可以与“系统”表达为同一概念，通信系统即为通信网络。
本申请实施例中的“大小(size)”可以与“长度(length)”等表达为同一概念。
本申请实施例中的“网络”可以与“系统”表达为同一概念，通信系统即为通信网络。
本申请实施例中的“个数”可以与“数目数量(number)”或“数目”可以表达为同一概念。
本申请实施例中的“报告(reporting)”可以与“上报(report)”或“反馈(feedback)”等表达为同一概念。也就是说，“CSI报告”可以与“CSI上报”、“CSI反馈”等表达为同一概念。
本申请实施例中的“包含”可以与“携带”或“承载”表达为同一概念。
本申请实施例中的“关联”可以与“对应”或“映射”等表达为同一概念。
本申请实施例中的“去除(exclued)”可以与“忽略(ignore)”、“排除”、“略过(skip)”、“取消(cancel)”或“释放(release)”等表达为同一概念。
下面对本申请实施例所涉及的相关内容、概念、含义、技术问题、技术方案、有益效果等进行说明。
一、通信系统、终端设备和网络设备
1、通信系统
本申请实施例的技术方案可以应用于各种通信系统，例如：通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、先进的长期演进(Advanced Long Term Evolution，LTE-A)系统、新无线(New Radio，NR)系统、NR系统的演进系统、非授权频谱上的LTE(LTE-based Access to Unlicensed Spectrum，LTE-U)系统、非授权频谱上的NR(NR-based Access to Unlicensed Spectrum，NR-U)系统、非地面通信网络(Non-Terrestrial Networks，NTN)系统、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、无线局域网(Wireless Local Area Networks，WLAN)、无线保真(Wireless Fidelity，Wi-Fi)、第6代(6th-Generation，6G)通信系统或者其他通信系统等。
需要说明的是，传统的通信系统所支持的连接数有限，且易于实现。然而，随着通信技术的发展，通信系统不仅可以支持传统的通信系统，还可以支持如设备到设备(device to device，D2D)通信、机器到机器(machine to machine，M2M)通信、机器类型通信(machine type communication，MTC)、车辆间(vehicle to vehicle，V2V)通信、车联网(vehicle to everything，V2X)通信、窄带物联网(narrow band internet of things，NB-IoT)通信等，因此本申请实施例的技术方案也可以应用于上述通信系统。
此外，本申请实施例的技术方案可以应用于波束赋形(beamforming)、载波聚合(carrier aggregation，CA)、双连接(dual connectivity，DC)或者独立(standalone，SA)部署场景等。
本申请实施例中，终端设备和网络设备之间通信所使用的频谱，或者终端设备和终端设备之间通信所使用的频谱可以为授权频谱，也可以为非授权频谱，对此不做限定。另外，非授权频谱可以理解为共享频谱，授权频谱可以理解为非共享频谱。
由于本申请实施例结合终端设备和网络设备描述了各个实施例，因此下面将对涉及的终端设备和网络设备进行具体描述。
2、终端设备
终端设备，可以为一种具有收发功能的设备，又可以称之为终端、用户设备(user equipment，UE)、远程终端设备(remote UE)、中继设备(relay UE)、接入终端设备、用户单元、用户站、移动站、移动台、远方站、移动设备、用户终端设备、智能终端设备、无线通信设备、用户代理或用户装置。需要说明的是，中继设备是能够为其他终端设备(包括远程终端设备)提供中继转发服务的终端设备。
例如，终端设备可以是手机(mobile phone)、平板电脑(Pad)、带无线收发功能的电脑、虚拟现实(virtual reality，VR)终端设备、增强现实(augmented reality，AR)终端设备、工业控制(industrial control)中的无线终端设备、无人自动驾驶中的无线终端设备、远程医疗(remote medical)中的无线终端设备、智能电网(smart grid)中的无线终端设备、运输安全(transportation safety)中的无线终端设备、智慧城市(smart city)中的无线终端设备或者智慧家庭(smart home)中的无线终端设备等。
又例如，终端设备还可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字助理(personal digital assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、下一代通信系统(例如NR通信系统、6G通信系统)中的终端设备或者未来演进的公用陆地移动通信网络(public land mobile network，PLMN)中的终端设备等，对此不作具体限定。
在一些可能的实现中，终端设备可以部署在陆地上，包括室内或室外、手持、穿戴或车载；可以部 署在水面上(如轮船等)；可以部署在空中(如飞机、气球和卫星等)。
在一些可能的实现中，终端设备可以包括无线通信功能的装置，例如芯片系统、芯片、芯片模组。示例的，该芯片系统可以包括芯片，还可以包括其它分立器件。
3、网络设备
网络设备，可以为一种具有收发功能的设备，用于与终端设备之间进行通信。
在一些可能的实现中，网络设备可以负责空口侧的无线资源管理(radio resource management，RRM)、服务质量(quality of service，QoS)管理、数据压缩和加密、数据收发等。
在一些可能的实现中，网络设备可以是通信系统中的基站(base station，BS)或者部署于无线接入网(radio access network，RAN)用于提供无线通信功能的设备。
例如，网络设备可以是LTE通信系统中的演进型节点B(evolutional node B，eNB或eNodeB)、NR通信系统中的下一代演进型的节点B(next generation evolved node B，ng-eNB)、NR通信系统中的下一代节点B(next generation node B，gNB)、双连接架构中的主节点(master node，MN)、双连接架构中的第二节点或辅节点(secondary node，SN)等，对此不作具体限制。
在一些可能的实现中，网络设备还可以是核心网(core network，CN)中的设备，如访问和移动性管理功能(access and mobility management function，AMF)、用户面功能(user plane function，UPF)等；还可以是WLAN中的接入点(access point，AP)、中继站、未来演进的PLMN网络中的通信设备、NTN网络中的通信设备等。
在一些可能的实现中，网络设备可以包括具有为终端设备提供无线通信功能的装置，例如芯片系统、芯片、芯片模组。示例的，该芯片系统可以包括芯片，或者，可以包括其它分立器件。
在一些可能的实现中，网络设备可以与互联网协议(Internet Protocol，IP)网络进行通信。例如，因特网(internet)、私有的IP网或者其他数据网等。
在一些可能的实现中，网络设备可以是一个独立的节点以实现上述基站的功能或者，网络设备可以包括两个或多个独立的节点以实现上述基站的功能。例如，网络设备包括集中式单元(centralized unit，CU)和分布式单元(distributed unit，DU)，如gNB-CU和gNB-DU。进一步的，在本申请的另一些实施例中，网络设备还可以包括有源天线单元(active antenna unit，AAU)。其中，CU实现网络设备的一部分功能，DU实现网络设备的另一部分功能。比如，CU负责处理非实时协议和服务，实现无线资源控制(radio resource control，RRC)层、服务数据适配(service data adaptation protocol，SDAP)层、分组数据汇聚(packet data convergence protocol，PDCP)层的功能。DU负责处理物理层协议和实时服务，实现无线链路控制(radio link control，RLC)层、媒体接入控制(medium access control，MAC)层和物理(physical，PHY)层的功能。另外，AAU可以实现部分物理层处理功能、射频处理及有源天线的相关功能。由于RRC层的信息最终会变成PHY层的信息，或者由PHY层的信息转变而来，因此，在该网络部署下，高层信令(如RRC信令)可以认为是由DU发送的，或者由DU和AAU共同发送的。可以理解的是，网络设备可以包括CU、DU、AAU中的至少一个。另外，可以将CU划分为RAN中的网络设备，或者，也可以将CU划分为核心网中的网络设备，对此不做具体限定。
在一些可能的实现中，网络设备可以是与终端设备进行相干协作传输(coherent joint transmission，CJT)的多站点中的任一站点，或者是该多站点外的其他站点，或者是其他与终端设备进行网络通信的网络设备，对此不作具体限制。其中，多站点相干协作传输可以为多个站点联合相干传输，或者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，或者多个站点虚拟成一个站点进行传输，其他标准中规定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参数的名称。多站点相干协作传输中的站点可以为射频拉远头(Remote Radio Head，RRH)、传输接收点(transmission and reception point，TRP)、网络设备等，对此不作具体限定。
在一些可能的实现中，网络设备可以是与终端设备进行非相干协作传输的多站点中的任一站点，或者是该多站点外的其他站点，或者是其他与终端设备进行网络通信的网络设备，对此不作具体限制。其中，多站点非相干协作传输可以为多个站点联合非相干传输，或者属于同一个PDSCH的不同数据从不同的站点发送到终端设备，或者属于同一个PDSCH的不同数据从不同的站点发送到终端设备，其他标准中规定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参数的名称。多站点非相干协作传输中的站点可以为RRH、TRP、网络设备等，对此不作具体限定。
在一些可能的实现中，网络设备可以具有移动特性，例如网络设备可以为移动的设备。可选地，网络设备可以为卫星、气球站。例如，卫星可以为低地球轨道(low earth orbit，LEO)卫星、中地球轨道(medium earth orbit，MEO)卫星、地球同步轨道(geostationary earth orbit，GEO)卫星、高椭圆轨道(high elliptical orbit，HEO)卫星等。可选地，网络设备还可以为设置在陆地、水域等位置的基站。
在一些可能的实现中，网络设备可以为小区提供服务，而该小区中的终端设备可以通过传输资源(如频谱资源)与网络设备进行通信。其中，该小区可以为宏小区(macro cell)、小小区(small cell)、城市小区(metro cell)、微小区(micro cell)、微微小区(pico cell)和毫微微小区(femto cell)等。
4、示例说明
下面对本申请实施例的通信系统做一个示例性说明。
示例性的，本申请实施例的一种通信系统的网络架构，可以参阅图1。如图1所示，通信系统10可以包括网络设备110和终端设备120。终端设备120可以通过无线方式与网络设备110进行通信。
图1仅为一种通信系统的网络架构的举例说明，对本申请实施例的通信系统的网络架构并不构成限定。例如，本申请实施例中，通信系统中还可以包括服务器或其它设备。再例如，本申请实施例中，通信系统中可以包括多个网络设备和/或多个终端设备。
二、CSI报告(CSI reporting)的过程
1、CSI的配置
3GPP所制定的协议标准针对CSI进行了相关研究。
CSI可以是终端设备用于将下行信道质量反馈给网络设备的信道状态信息，即终端设备可以基于CSI向网络设备反馈下行信道质量，以便网络设备对下行数据的传输选择一个合适的调制与编码策略(Modulation and Coding Scheme，MCS)，减少下行数据传输的误块率(Block Error Rate，BLER)，以及执行相应的波束管理、移动性管理、适配追踪、速率匹配等处理。
针对CSI的相关配置信息可以由高层参数CSI-MeasConfig所定义。其中，CSI-MeasConfig可以指示(包含)如下两个高层参数：CSI资源配置信息(CSI-ResourceConfig)和CSI报告配置信息(CSI-ReportConfig)。
另外，由于CSI-ReportConfig会指示(包含)CSI-ResourceConfigId，因此通过CSI-ResourceConfigId，CSI-ResourceConfig会关联(对应/映射)CSI-ReportConfig。
CSI-ReportConfig用于CSI上报的配置，即配置CSI报告。
CSI-ResourceConfig用于配置CSI测量的CSI-RS资源。另外，CSI-ResourceConfig可以配置资源集(如ResourceSet)，ResourceSet可以包含最基本的CSI-RS资源(如CSI-RS-Resource)。
CSI-RS-Resource可以指示(包含)NZP-CSI-RS资源集(NZP-CSI-RS-ResourceSet)、CSI干扰测量(CSI Interference Measurement，CSI-IM)资源集(CSI-IM-ResourceSet)、SSB资源集(CSI-SSB-ResourceSet)三种。
NZP-CSI-RS-ResourceSet可以用于信道测量和/或干扰测量；CSI-IM-ResourceSet可以用于干扰测量；CSI-SSB-ResourceSet可以用于信道测量。
CSI-RS资源的类型可以是周期的、半持续的或者非周期的。
CSI-ReportConfig中的报告配置类型(reportConfigType)可以用于指示CSI报告的报告类型。其中，CSI报告可以通过物理上行链路控制信道(physical uplink control channel，PUCCH)或物理上行链路共享信道(physical uplink shared channel，PUSCH)进行传输。
在本申请实施例中，CSI测量，可以理解为，通过CSI-ResourceConfig所配置的CSI-RS资源来对下行信道进行测量。
2、CSI报告
(1)CSI报告的报告类型
CSI报告的报告类型可以包括：周期(periodic)CSI报告、非周期(aperiodic)CSI报告、承载在PUCCH上的半持续(semi-persistent on PUCCH)CSI报告、承载在PUSCH上的半持续CSI报告。
需要说明的是，由于需要使用PUCCH上报周期CSI，因此周期CSI报告由PUCCH承载。由于需要使用PUSCH上报非周期CSI，因此非周期CSI报告由PUSCH承载。
对于非周期CSI报告和承载在PUSCH上的半持续CSI报告，网络设备还会配置高层参数TriggerState和高层参数reportTriggerSize以配合DCI(downlink control information，DCI)中的CSI请求字段(CSI request field)使用。
●周期CSI报告
通过RRC消息(或RRC信令)配置周期性的CSI-RS Resource和Report参数后，会立即生效，而无需通过MAC-CE/DCI来激活或者触发CSI-RS发送和CSI报告。
●承载在PUCCH上的半持续CSI报告
如果通过RRC消息配置半持续的CSI-RS发送，则需要先通过MAC CE1激活CSI-RS发送，再通过MAC CE2激活CSI报告；如果通过RRC消息配置周期的CSI-RS发送，则无需通过MAC CE1激活 CSI-RS发送，而只需通过MAC CE2激活CSI报告。
●承载在PUSCH上的半持续CSI报告
如果通过RRC消息配置半持续的CSI-RS发送，则需要先通过MAC CE1激活CSI-RS发送，再通过DCI触发CSI报告；如果通过RRC消息配置周期的CSI-RS发送，则无需MAC CE1激活CSI-RS发送，而只需通过DCI触发CSI报告。
需要说明的是，对于DCI，该DCI可以是使用SP-CSI-RNTI(semi-persistent CSI RNTI)加扰的DCI格式(format)0_1，并且该DCI中的CSI request字段可以通过码点(codepoint)的设置来关联对应的触发状态(TriggerState)，该TriggerState里面会定义关联的CSI-ReportConfig，从而可以通过该TriggerState找到PUSCH上半持续CSI报告关联的CSI-ReportConfig。
●非周期CSI报告
对于非周期CSI-RS发送和非周期CSI报告的场景，非周期CSI-RS发送和非周期CSI报告均由DCI来触发，其过程与上述的半持续CSI报告类似。
当通过DCI format 0_1/0_2中的CSI request字段的codepoint去关联对应的TriggerState时，与上述半持续CSI报告中的DCI触发不同，若该CSI请求字段取值为0，则表示不要求触发半周期CSI报告；若CSI请求字段取值为1，则表示TriggerState 1关联的非周期CSI报告被触发，依次类推。
(2)CSI报告配置和CSI-RS资源配置的组合
需要说明的是，CSI报告配置和CSI-RS资源配置的组合，如表1所示。
表1
(3)CSI报告的上报方式
CSI报告可以通过宽带(band)或者子带(subband)进行上报。其中，宽带可以定义为所配置的带宽部分(bandwidth part，BWP)大小，而子带可以定义为个连续的物理资源块(physical resource block，PRB)，并且子带大小(size)取决于BWP中PRB的总个数。其中，BWP中PRB的总个数与子带大小之间的对应关系，如表2所示。
表2
对于子带大小，终端设备可以通过高层信令(如CSI-ReportConfig中的参数CSI报告带宽(csi-ReportingBand))指示从两个可能的子带大小中某一个。例如，在表2中，若BWP中PRB的总个数为24-72，则子带大小为4或8。因此，通过csi-ReportingBand从4或8中确定出一个。
(4)CSI报告所包含的CSI参数类型
CSI报告可能包含以下CSI参数(quantities)中的至少一项：层1参考信号接收功率(layer 1 reference signal received power，L1-RSRP)、层1信号与干扰加噪声比(layer 1 signal-to-noise and interference ratio，L1-SINR)、CSI相关参数(CSI-related quantities)等。
具体的，CSI相关参数可以包含以下至少之一项：CSI参考信号资源指示索引(CSI-RS Resource Indicator，CRI)、同步信号块资源指示索引(SS/PBCH block resource indicator，SSBRI)、秩指示索引(rank indicator，RI)、预编码矩阵指示索引(precoding matrix indicator，PMI)、信道质量指示索引(channel quality indicator，CQI)、层指示索引(layer indicator，LI)等。
需要说明的是，CRI(或SSBRI)可以表示终端设备所推荐(或所选)的CSI-RS(或SSB)资源。其中，一个CSI-RS(或SSB)资源可以表示一个波束或天线方向。
RI可以表示终端设备所推荐(或所选)的层数，而层数可以决定哪个码本。其中，每个层数对应一个码本，一个码本由一个或多个码字组成。比如，层数为2的码本或者层数为1的码本。另外，在MIMO技术中，层数可以用于表示发送端与接收端之间的传输链路的数量。
PMI可以表示终端设备所推荐(或所选)的码本里的码字的索引，或者量化的预编码信息。其中，一个码字对应一个预编码矩阵。RI和PMI可以整体表示终端设备所推荐的层数和预编码矩阵。
CQI可以表示终端设备向网络设备反馈当前信道的信道质量的好坏。其中，终端设备需要计算CQI。
3、CSI报告频带(CSI reporting band)
CSI-ReportConfig中的报告频率配置信息(reportFreqConfiguration)用于指示CSI报告的频率粒度(granularity)。
CSI报告设置配置(CSI reporting setting configuration)可以将CSI报告频带定义为带宽部分(bandwidth part，BWP)中子带的子集。也就是说，可以将激活的(active)BWP划分为多个子带，并将该多个子带中的子集(即部分子带)定义为CSI报告频带。
其中，reportFreqConfiguration可以指示：
-csi-ReportingBand作为BWP中子带的连续或非连续的子集，应上报CSI；
-宽带CQI报告或子带CQI报告可以由高层参数(如CQI格式指示cqi-FormatIndicator)配置。当配置宽带CQI报告时，为整个CSI报告频带的每个码字上报一个宽带CQI。当配置子带CQI报告时，在CSI报告频带中为每个子带上报每个码字的一个CQI。
-宽带PMI报告或子带PMI报告可以由高层参数(如PMI格式指示pmi-FormatIndicator)配置的。当配置宽带PMI报告时，为整个CSI报告频带上报一个宽带PMI。当配置子带PMI报告时，除了2个天线端口外，为整个CSI报告频带上报单个宽带指示(a single wideband indication)，并为CSI报告频带中的每个子带上报一个子带指示(one subband indication)。当子带PMI配置有2个天线端口时，在CSI报告频带中为每个子带上报一个PMI。
三、一种新的频域资源配置方式
1、新的频域资源分配方式
随着用户对上行业务需求的快速增长，对网络中的终端设备的上行覆盖率、速率和时延都提出了更高的需求。
在现有的时分双工(Time Division Duplexing，TDD)系统中，同一个时域资源上的传输方向是相同的。通常，TDD系统是以时隙为粒度配置传输方向的。另外，TDD系统存在上下行时隙配比的限制，这导致TDD系统中的传输时延较大。为了降低网络设备的实现复杂度，一个TDD载波的所有频域资源在同一时刻的传输方向需相同，即同为上行传输方向或下行传输方向。因此，一个TDD载波不同频域资源的上下行时隙配比不能灵活配置。随着业务的多元化，尤其是考虑垂直行业的业务需求，不同业务对上下行的传输需求不同，单一的上下行时隙配比不能满足不同业务的需求。
例如，网络将时隙0和时隙1配置为下行传输方向，而将时隙2配置为上行传输方向。此时，网络设备在时隙0和时隙1上只能进行下行通信，而无法进行上行通信；网络设备在时隙2上只能进行上行通信，而无法进行下行通信。对于具有上行业务需求的终端设备而言，这就导致终端设备无法在时隙0和时隙1向网络设备传输上行数据，而必须等到时隙2才能进行上行通信，从而带来较大的传输时延。
在现有的全双工(Full Duplex)系统中，网络设备和终端设备之间可以同时进行上下行通信。
与现有的时分双工系统和全双工系统不同的是，为了考虑网络设备实现复杂度，本申请实施例考虑 了一种新的频域资源分配方式，即以相同的时间单元内的频域资源为粒度同时配置不同的传输方向，使得在相同的时间单元内可以针对不同的频域资源同时配置不同的传输方向。
也就是说，相同的时间单元内既存在支持上行传输(上行通信)的频域资源(即上行频域资源)，又存在支持下行传输(下行通信)的频域资源(即下行频域资源)。
因此，在新的频域资源分配方式中，相同的时间单元内的多个频域资源可以包括上行频域资源和下行频域资源。其中，多个频域资源中的上行频域资源可以为频域连续的，多个频域资源中的下行频域资源可以为频域连续的。
需要说明的是，当时间单元为1个时隙时，与TDD系统中的1个时隙只能支持上行传输或下行传输不同，在新的频域资源分配方式中，1个时隙内可以同时支持上行传输和下行传输。
例如，如图2所示，在相同的时间单元内配置有多个频域资源，一些频域资源为上行频域资源，另一些频域资源为下行频域资源，且上行频域资源在频域上连续，下行频域资源在频域上连续。如在图2的(a)中，相同的时间单元内的多个频域资源包括下行频域资源211、上行频域资源212、下行频域资源213、上行频域资源214。其中，下行频域资源211为频域连续的，上行频域资源212为频域连续的，下行频域资源213为频域连续的，上行频域资源214为频域连续的。
又例如，网络设备在时隙1和时隙2上同时配置上行频域资源和下行频域资源。这样，相比上述现有的时分双工系统中终端设备必须等到时隙2才能进行上行通信，在新的频域资源配置方式中，终端设备可以在时隙1中进行上行通信，而无需等到时隙2，从而减小传输时延。
综上所述，本申请实施例以相同的时间单元内的频域资源为粒度同时配置不同的传输方向的好处是：
网络设备可以与不同的终端设备进行上行传输或者下行传输，这样有利于满足不同终端设备的通信需求；对于具有上行业务需求的终端设备而言，终端设备可以利用上行频域资源以更快地进行上行业务，减小了传输时延，极大地提高TDD通信系统的通信方式的灵活性。
2、如何确定相同的时间单元内的多个频域资源
在一些可能的实现中，本申请可以通过网络配置、预配置或者协议规定的方式来确定相同的时间单元内的各个频域资源的频域起始位置和大小/长度，以便通过各个频域资源的频域起始位置和各个频域资源的大小/长度，实现确定时间单元内的多个频域资源。
例如，以网络配置的方式为例，网络设备向终端设备发送配置信息(该配置信息可以由高层参数/高层信令/DCI/系统信息等携带)，该配置信息可以用于配置时间单元内的各个频域资源的频域起始位置和大小。
3、时间单元
在本申请实施例中，时间单元，可以理解为，在时域上的通信粒度。例如，时间单元可以为子帧(subframe)、时隙(slot)、符号(symbol)或者迷你时隙(mini slot)等，对此不作具体限制。
另外，本申请所述的时间单元，可以为子帧、时隙、符号或者迷你时隙等中的之一项，对此不作具体限制。
例如，本申请可以在一个或多个时隙内配置多个频域资源，可以是一个或多个符号内配置多个频域资源，可以在一个或多个迷你时隙内配置多个频域资源。
4、频域资源
在本申请实施例中，频域资源，可以是支持不同传输方向的。也就是说，本申请可以将频域资源配置为支持上行传输，此时该频域资源为上行频域资源；可以将频域资源配置为支持下行传输，此时该频域资源为下行频域资源。
在本申请实施例中，频域资源可以为子带，可以为连续的资源块集(resource block sets，RB sets)等。
需要说明的是，这里的子带与上述“(3)CSI报告的上报方式”中的子带不同，这里的子带，可以理解为，从一段带宽中划分出来的一部分子频带。其中，该带宽可以为BWP。每个子带要么只支持上行传输，要么只支持下行传输。
这里的连续的RB集，可以理解为，连续的多个RB。另外，本申请所述的RB可以是PRB，可以是虚拟资源块(virtual RB，VRB)等。
在一些可能的实现中，这里的子带可以配置在BWP上，也可以配置在载波上。
当频域资源为子带时，时间单元内的多个频域资源，可以为时间单元内的多个子带。例如，子带非重叠全双工(subband non-overlapping full duplex，SBFD)。
四、一种通信方法
结合上述可知，在激活的(active)BWP上未考虑新的频域资源配置方式的情况下，通常是将激活 的(active)BWP划分为多个子带，并将该多个子带中的子集(即部分子带)定义为CSI报告频带，即根据激活的BWP来确定CSI报告频带，以便根据CSI报告频带进行CSI测量和/或CSI报告。
然而，在激活的(active)BWP上考虑新的频域资源配置方式的情况下，该激活的BWP中可能存在与相同的时间单元内的多个频域资源中的上行频域资源重叠的频域资源。由于CSI测量和/或CSI报告需要涉及下行频域资源，因此这部分重叠的频域资源可能对于CSI测量和/或CSI报告是不可用的(non-available)，即这部分重叠的频域资源可能无法进行CSI测量和/或CSI报告。基于此，本申请期望解决在激活的BWP上考虑新的频域资源配置方式的情况下如何进行CSI测量和/或CSI报告的问题，从而保证CSI性能。
为了实现在激活的BWP上考虑新的频域资源配置方式的情况下进行CSI测量和/或CSI报告，本申请可以根据激活的BWP和相同的时间单元内的多个频域资源来确定CSI报告频带，再根据CSI报告频带来进行CSI测量和/或CSI报告。由于CSI报告频带的确定过程是综合考虑了激活的BWP和相同的时间单元内的多个频域资源，因此所确定出的CSI报告频带可以进行CSI测量和/或CSI报告，以便保证CSI性能。
下面对本申请实施例所涉及的技术方案、有益效果、概念等进行说明。
1、不可用频域资源、可用频域资源、重叠、非重叠
1)不可用频域资源、可用频域资源
在本申请中，激活的BWP中可能存在与多个频域资源中的上行频域资源重叠的频域资源，而这部分重叠的频域资源可能对于CSI测量和/或CSI报告是不可用的，即这部分重叠的频域资源可能无法进行CSI测量和/或CSI报告。因此，为了便于描述和区分，本申请将这部分重叠的频域资源称为“不可用频域资源”。
也就是说，不可用频域资源，可以为激活的BWP内与多个频域资源中的上行频域资源重叠的频域资源。
类似的，激活的BWP中可能存在与多个频域资源中的上行频域资源非重叠(不重叠)的频域资源，而这部分非重叠的频域资源可能对于CSI测量和/或CSI报告是可用的(available)，即这部分非重叠的频域资源可以进行CSI测量和/或CSI报告。因此，为了便于描述和区分，本申请将这部分非重叠的频域资源称为“可用频域资源”。
也就是说，可用频域资源，可以为激活的BWP内与多个频域资源中的上行频域资源非重叠的频域资源。
需要说明的是，每块不可用频域资源为频域连续的，且每两块不可用频域资源之间可能存在一块可用频域资源。
每块可用频域资源为频域连续的，且每两块可用频域资源之间可能存在一块不可用频域资源。
另外，本申请所提到的激活的BWP可以是激活的下行BWP。
2)重叠、非重叠
需要说明的是，本申请可以通过在频域上的通信粒度来判断频域资源是否重叠，该通信粒度可以是RB、资源元素(resource element，RE)、RE组(RE group，REG)或者子载波等。
例如，以RB来判断频域资源是否重叠，如图3所示。在图3的(a)中，在时隙0内的激活的BWP大小为30个RB，且该激活的BWP的频域起始位置为RB1，该激活的BWP的频域结束位置为RB30。
在图3的(b)中，在时隙0内的多个频域资源也具有相同的频域起始位置RB1，以及相同的频域结束位置RB30。其中，该多个频域资源中的下行频域资源301包括从RB1到RB12的12个RB，该多个频域资源中的上行频域资源302包括从RB13到RB24的12个RB，该多个频域资源中的下行频域资源303包括从RB25到RB30的6个RB。
由于图3的(a)中的激活的BWP从RB13到RB24的12个RB与图3的(b)中的上行频域资源302发生重叠，因此从RB13到RB24的12个RB作为激活的BWP内的一块不可用频域资源，从RB1到RB12的12个RB作为激活的BWP内的一块可用频域资源(为了便于描述和区分，这里将该块可用频域资源称为“第一可用频域资源”)，以及从RB25到RB30的6个RB作为激活的BWP内的另一块可用频域资源(为了便于描述和区分，这里将该块可用频域资源称为“第二可用频域资源”)。
2、如何确定CSI报告频带
需要说明的是，本申请可以根据激活的BWP和相同的时间单元内的多个频域资源确定CSI报告频带，使得该CSI报告频带作为激活的BWP的一部分频域资源，且该CSI报告频带中可能存在可用子带和/或不可用子带。
具体实现时，本申请可以根据激活的BWP和多个频域资源确定不可用频域资源和/或可用频域资源， 再根据不可用频域资源和/或可用频域资源确定CSI报告频带。
下面本申请将对如何根据不可用频域资源和/或可用频域资源确定CSI报告频带进行分别说明。
方案1：
1)描述
在“方案1”中，本申请可以去除激活的BWP内的不可用频域资源，从而根据可用频域资源来确定CSI报告频带。
具体实现时，将可用频域资源进行子带划分以确定CSI报告频带。
需要说明的是，去除不可用频域资源，可以理解为，忽略/排除等不可用频域资源。这样就可以实现根据可用频域资源来确定CSI报告频带。
例如，结合图3所示，本申请可以忽略从RB13到RB24的12个RB，而对从RB1到RB12的12个RB以及从RB25到RB30的6个RB进行子带划分以确定CSI报告频带。
2)可用频域资源中划分出的子带的特征
需要说明的是，“方案1”是将可用频域资源进行子带划分。这样，可用频域资源中划分出的子带均全部位于可用频域资源内。或者说，可用频域资源中划分出的子带均全部属于可用频域资源。
为了便于描述和区分，本申请将全部位于可用频域资源内的子带称为“可用子带”。
也就是说，可用子带中的所有RB与多个频域资源中的上行频域资源非重叠，或者说可用子带中的所有RB位于可用频域资源内。
另外，由于本申请根据可用频域资源中划分出的子带来确定CSI报告频带中的子带，因此CSI报告频带中的子带可以包括该可用子带。
3)如何将可用频域资源进行子带划分以确定CSI报告频带中的子带
需要说明的是，“方案1”是将可用频域资源进行子带划分。这样，划分出的子带均全部位于可用频域资源内，再根据可用频域资源中划分出的子带来确定CSI报告频带，使得CSI报告频带中的子带也全部位于可用频域资源内。
本申请可以采用如下多种方式来划分子带以确定CSI报告频带中的子带：
方式A：
在一些可能的实现中，CSI报告频带中的子带，可以是将每块可用频域资源独立划分子带以确定的。
可以理解的是，本申请可以将激活的BWP内的每块可用频域资源独立划分子带，并根据划分出的子带来确定CSI报告频带。其中，由于划分出的子带为可用子带，因此，CSI报告频带中的子带包括可用子带。
需要说明的是，对于如何将每块可用频域资源独立划分子带，本申请的起始子带(first subband)的大小和结束子带(last subband)的大小可以根据网络配置、预配置或者标准协议规定等，其他子带可以根据网络配置、预配置或者标准协议规定等或者根据每块可用频域资源中剩余的RB个数确定。
例如，网络配置子带大小为4，即并确定子带划分如下：
起始子带的大小为其中，表示激活BWP的起始RB，并由网络配置；
若则结束子带的大小为若则结束子带的大小为其中，表示激活BWP的大小，并由网络配置；
其他子带的大小可以为或者其他值，该其他值小于且该其他值可以根据每块可用频域资源中剩余的RB个数确定。
下面结合图3所示来说明上述的子带划分。
示例1，在图3中，激活的BWP包括第一可用频域资源和第二可用频域资源。由于“方式A”是对每块可用频域资源独立划分子带，因此需要单独对第一可用频域资源和第二可用频域资源进行子带划分。其中，
针对第一可用频域资源进行子带划分，起始子带的大小为第二个子带的大小为第三个子带的大小为 第四个子带的大小为1(这里为1是因为第一可用频域资源中只剩下1个RB)，如图4所示。
针对第二可用频域资源进行子带划分，结束子带的大小为第五个子带的大小为3(这里为3是因为第二可用频域资源中除去结束子带之后只剩下3个RB)，如图4所示。
在一些可能的实现中，根据划分出的子带来确定CSI报告频带，可以包括：将划分出的子带中的至少之一项建构成CSI报告频带。
例如，在上述“示例1”中，将起始子带、第二个子带、第三个子带、第四个子带、第五个子带、结束子带中的至少之一项构建成CSI报告频带。也就是说，CSI报告频带中的子带包括起始子带、第二个子带、第三个子带、第四个子带、第五个子带、结束子带中的至少之一项，且这些子带均为可用子带。
方式B：
在一些可能的实现中，CSI报告频带中的子带，可以是将多块可用频域资源联合划分子带以确定的。
可以理解的是，本申请可以将激活的BWP内的多块可用频域资源联合划分子带，并根据划分出的子带来确定CSI报告频带。其中，由于划分出的子带为可用子带，因此，CSI报告频带中的子带包括可用子带。
需要说明的是，对于如何将多块可用频域资源联合划分子带，本申请的起始子带的大小和结束子带的大小可以根据网络配置、预配置或者标准协议规定等，其他子带可以根据网络配置、预配置或者标准协议规定等或者根据联合的多块可用频域资源中剩余的RB个数确定。
例如，网络配置子带大小为4，即并确定子带划分如下：
起始子带的大小为其中，表示激活BWP的起始RB，并由网络配置；
若则结束子带的大小为若则结束子带的大小为其中，表示激活BWP的大小，并由网络配置；
其他子带的大小可以为或者其他值，该其他值小于且该其他值可以根据联合的多块可用频域资源中剩余的RB个数确定。
下面结合图3所示来说明上述的子带划分。
示例2，在图3中，激活的BWP包括第一可用频域资源和第二可用频域资源。由于“方式B”是对多个可用频域资源联合划分子带，因此需要联合第一可用频域资源和第二可用频域资源进行子带划分。其中，
对于联合第一可用频域资源和第二可用频域资源进行子带划分，起始子带的大小为第二个子带的大小为第三个子带的大小为第四个子带的大小为4，第四个子带跨了第一可用频域资源和第二可用频域资源，结束子带的大小为如图5所示。
在一些可能的实现中，根据划分出的子带来确定CSI报告频带，可以包括：将划分出的子带中的至少之一项建构成CSI报告频带。
例如，在上述“示例2”中，将起始子带、第二个子带、第三个子带、第四个子带、结束子带中的至少之一项构建成CSI报告频带。也就是说，CSI报告频带中的子带包括起始子带、第二个子带、第三个子带、第四个子带、结束子带中的至少之一项，且这些子带均为可用子带。
方案2：
1)描述
在“方案2”中，本申请可以不去除激活的BWP内的不可用频域资源，从而根据不可用频域资源和可用频域资源来确定CSI报告频带，或者说根据激活的BWP来确定CSI报告频带。
具体实现时，将不可用频域资源和可用频域资源进行子带划分以确定CSI报告频带，或者将激活的BWP进行子带划分以确定CSI报告频带。
例如，结合图3所示，本申请可以从RB1到RB30的30个RB进行子带划分以确定CSI报告频带。
2)如何将不可用频域资源和可用频域资源进行子带划分(即如何将激活的BWP进行子带划分)
需要说明的是，对于如何将不可用频域资源和可用频域资源进行子带划分，本申请的起始子带(first subband)的大小、结束子带(last subband)的大小以及其他子带的大小可以根据网络配置、预配置或者标准协议规定等。
例如，网络配置子带大小为4，即并确定子带划分如下：
起始子带的大小为其中，表示激活BWP的起始RB，并由网络配置；
若则结束子带的大小为若则结束子带的大小为其中，表示激活BWP的大小，并由网络配置；
其他子带的大小可以为
下面结合图3所示来说明上述的子带划分。
示例3，在图3中，激活的BWP包括第一可用频域资源、第二可用频域资源和不可用频域资源。其中，
针对激活的BWP进行子带划分，起始子带的大小为第二个子带的大小为第三个子带的大小为第四个子带的大小为第五个子带的大小为第六个子带的大小为第七个子带的大小为结束子带的大小为如图6所示。
3)不可用频域资源和可用频域资源中划分出的子带的特征(即激活的BWP中划分出的子带的特征)
需要说明的是，“方案2”是将不可用频域资源和可用频域资源进行子带划分，即将激活的BWP进行子带划分。这样，在激活的BWP中划分出的子带中，有些子带可能完全或者部分位于可用频域资源内，而有些子带可能完全或者部分位于不可用频域资源内。
①可用子带
为了便于描述和区分，本申请可以将完全位于可用频域资源或者部分位于可用频域资源内的子带称为“可用子带”。其中，
●部分位于可用频域资源内的子带，可以理解为，子带的部分RB位于可用频域资源内，而该子带的另一部分RB位于不可用频域资源内。此时，该子带可以为“可用子带”。也就是说，可用子带中的部分RB与多个频域资源中的上行频域资源非重叠。
例如，在上述“示例3”中，第四个子带中的RB12位于可用频域资源，而第四个子带中的其他RB位于不可用频域资源。因此，第四个子带可以为“可用子带”。
●完全位于可用频域资源内的子带，可以理解为，子带的所有RB位于可用频域资源内。此时，该子带可以为“可用子带”。也就是说，可用子带中的所有RB与多个频域资源中的上行频域资源非重叠。
例如，在上述“示例3”中，第二个子带中的所有RB位于可用频域资源。因此，第二子带可以为“可用子带”。
②不可用子带
为了便于描述和区分，本申请可以将部分或者全部位于不可用频域资源内的子带称为“不可用子带”。或者，不可用子带可以为CSI报告频带内除可用子带外的子带。
●部分位于不可用频域资源内的子带，可以理解为，子带的部分RB位于可用频域资源内，而该子带的另一部分RB位于不可用频域资源内。此时，该子带可以为“不可用子带”。也就是说，不可用子带中的部分RB与多个频域资源中的上行频域资源重叠。
例如，在上述“示例3”中，第七个子带中的RB24位于不可用频域资源，而第七个子带中的其他RB位于可用频域资源。因此，第七个子带可以为“不可用子带”。
●完全位于不可用频域资源内的子带，可以理解为，子带的所有RB位于不可用频域资源内。 此时，该子带可以为“不可用子带”。也就是说，可用子带中的所有RB与多个频域资源中的上行频域资源重叠。
例如，在上述“示例3”中，第五个子带中的所有RB位于不可用频域资源。因此，第五子带可以为“不可用子带”。
综上所述，在“示例3”中，可用子带和不可用子带可以存在如下多种组合：
组合1：
可用子带：起始子带、第二个子带、第三个子带、结束子带；不可用子带：第四个子带、第五个子带、第六个子带、第七个子带；
组合2：
可用子带：起始子带、第二个子带、第三个子带、第四个子带、第七个子带、结束子带；不可用子带：第五个子带、第六个子带。
4)如何根据不可用频域资源和可用频域资源确定CSI报告频带中的子带(即如何根据激活的BWP确定CSI报告频带中的子带)
需要说明的是，本申请可以根据不可用频域资源和可用频域资源(激活的BWP)中划分出的子带来确定CSI报告频带，使得CSI报告频带中的子带可能位于可用频域资源和/或不可用频域资源内。其中，确定CSI报告频带可以如下方式：
方式1：
在一些可能的实现中，根据不可用频域资源和可用频域资源(激活的BWP)确定CSI报告频带，可以包括：将不可用频域资源和可用频域资源(激活的BWP)中划分出的子带中的可用子带中的至少之一项构建成CSI报告频带。
可见，CSI报告频带可以包括可用子带。
例如，在上述“示例3”中，激活的BWP中划分出的子带存在如下：
可用子带：起始子带、第二个子带、第三个子带、结束子带；
不可用子带：第四个子带、第五个子带、第六个子带、第七个子带；
因此，将可用子带中的至少之一项构建成CSI报告频带。也就是说，CSI报告频带中的子带包括起始子带、第二个子带、第三个子带、结束子带中的至少之一项。
方式2：
在一些可能的实现中，根据不可用频域资源和可用频域资源(激活的BWP)确定CSI报告频带，可以包括：将不可用频域资源和可用频域资源(激活的BWP)中划分出的子带中的至少之一项构建成CSI报告频带。
可见，CSI报告频带可以包括可用子带和/或不可用子带。
当然，为了保证CSI报告频带能够进行CSI测量和/或CSI报告，CSI报告频带中的子带需要包含可用子带。因此，CSI报告频带包括可用子带；或者，CSI报告频带可以包括可用子带和不可用子带。
例如，在上述“示例3”中，激活的BWP中划分出的子带存在如下：
可用子带：起始子带、第二个子带、第三个子带、结束子带；
不可用子带：第四个子带、第五个子带、第六个子带、第七个子带；
因此，将激活的BWP中划分出的子带中的至少之一项构建成CSI报告频带。也就是说，CSI报告频带中的子带包括起始子带、第二个子带、第三个子带、第四个子带、第五个子带、第六个子带、第七个子带、结束子带中的至少之一项。
3、如何根据CSI报告频带进行CSI测量
结合上述可知，CSI报告频带中的子带可以包括可用子带，或者可以包括可用子带和不可用子带。另外，CSI报告频带中的子带可以关联至少一个CSI-RS资源，该至少一个CSI-RS资源包含在至少一个ResourceSet中。
也就是说，CSI报告频带中的子带所关联的CSI-RS资源可以在同一个ResourceSet中，可以在不同的ResourceSet中，对此不作具体限制。
这样，本申请可以根据CSI报告频带中的子带所关联的CSI-RS资源对下行信道进行CSI测量，从而实现根据CSI报告频带进行CSI测量。
另外，由于CSI报告频带中的各个子带会关联有CSI-RS资源，因此根据各个子带的关联有CSI-RS资源对下行信道进行CSI测量，以便得到各个子带的CSI参数。
其中，CSI参数可以包括以下至少之一项：L1-RSRP、L1-SINR、CSI相关参数等。CSI相关参数可以包括以下至少之一项：CRI、SSBRI、RI、PMI、CQI、LI等。
在一些可能的实现中，同一个ResourceSet中的各个CSI-RS资源之间具有不同的起始位置和/或不同的长度。
可以理解的是，CSI报告频带中的子带关联的CSI-RS资源可以处于同一个ResourceSet内，且同一个ResourceSet内的这些CSI-RS资源之间具有不同的起始位置以及不同的长度，以便根据这些CSI-RS资源对下行信道进行CSI测量。
可选的，该起始位置可以为起始RB，长度可以为RB个数。也就是说，同一个ResourceSet中的各个CSI-RS资源之间具有不同的起始RB和/或不同的RB个数。
4、如何根据CSI报告频带进行CSI报告
1)CSI报告的上报
结合上述可知，CSI报告频带中的子带可以包括可用子带，或者可以包括可用子带和不可用子带。其中，本申请可以根据CSI报告频带中的子带进行CSI报告的上报，具体存在如下：
在一些可能的实现中，若CSI报告频带中的子带包括可用子带，则可用子带可以用于上报CSI报告。其中，上报的CSI报告可以包含可用子带的CSI参数。
在一些可能的实现中，若CSI报告频带中的子带包括可用子带和不可用子带，则可用子带可以用于上报CSI报告，而不可用子带不用于上报CSI报告。其中，上报的CSI报告可以包含可用子带的CSI参数。
在一些可能的实现中，若CSI报告频带中的子带包括可用子带和不可用子带，则CSI报告频带内的可用子带和不可用子带均可以用于上报CSI报告。由于不可用子带无法进行CSI测量，因此不可用子带没有CSI参数。此时，不可用子带所上报的CSI报告内需要填充固定信息，该固定信息可以是网络配置、预配置或者标准协议定义。最终，上报的CSI报告可以包含可用子带的CSI参数和固定信息。
2)CSI报告的上报方式
需要说明的是，本申请的CSI报告的上报方式可以由高层参数/高层信令配置。其中，CSI报告的上报方式可以存在如下：
●CSI报告通过宽带进行上报，即宽带CSI报告
需要说明的是，当配置宽带CSI报告时，将CSI报告频带中的各个子带的CSI参数或固定信息进行组合以通过同一个CSI报告进行上报。也就是说，为CSI报告频带中的每个子带上报一个组合后的CSI参数和/或固定信息。
例如，若CSI报告频带中的子带包括可用子带，则将各个可用子带的CSI参数进行组合以通过同一个CSI报告进行上报；
若CSI报告频带中的子带包括可用子带和不可用子带，则将各个可用子带的CSI参数和各个不可用子带的固定信息进行组合以通过同一个CSI报告进行上报。
另外，由于CSI报告频带中的子带关联至少一个CSI-RS资源，因此若CSI报告频带中的各个子带所关联的CSI-RS资源在同一个ResourceSet中，则该同一个ResourceSet对应同一个CSI报告，且该同一个CSI报告包括CSI报告频带中的各个子带的CSI参数或固定信息。
若CSI报告频带中的各个子带所关联的CSI-RS资源在不同的ResourceSet中，则不同的ResourceSet对应不同的CSI报告。各个CSI包括其各自对应的ResourceSet所关联的子带的CSI参数或固定信息。
●CSI报告通过子带进行上报，即子带CSI报告
需要说明的是，当配置子带CSI报告时，将CSI报告频带中的各个子带的CSI参数或固定信息单独进行CSI报告的上报。也就是说，为CSI报告频带中的每个子带上报一个CSI参数。
例如，若CSI报告频带中的子带包括可用子带，则将每个可用子带的CSI参数单独进行CSI报告的上报；
若CSI报告频带中的子带包括可用子带和不可用子带，则将每个可用子带的CSI参数单独进行CSI报告的上报，以及将每个不可用子带的固定信息单独进行CSI报告的上报。
5、一种通信方法的示例说明
结合上述内容，下面以网络设备与终端设备之间的交互为例，对本申请实施例的一种通信方法进行示例介绍。需要说明的是，网络设备可以是芯片、芯片模组或通信模块等，终端设备可以是芯片、芯片模组或通信模块等。也就是说，该方法应用于网络设备或者终端设备之中，对此不作具体限制。
如图7所示，为本申请实施例的一种通信方法的流程示意图，具体包括如下步骤：
S710、终端设备根据信道状态信息CSI报告频带进行CSI测量和/或CSI报告，该CSI报告频带是根据激活的带宽部分BWP和相同的时间单元内的多个频域资源确定，该多个频域资源包括上行频域资源和下行频域资源。
其中，该多个频域资源中的上行频域资源为频域连续的，该多个频域资源中的下行频域资源为频域连续的。
S720、网络设备接收该CSI报告。
需要说明的是，“CSI报告频带”、“CSI测量”、“CSI报告”、“相同的时间单元内的多个频域资源”等，详见上述中的内容，对此不再赘述。
可见，由于本申请实施例在激活的BWP上考虑相同的时间单元内的多个频域资源，使得该激活的BWP中可能存在与相同的时间单元内的多个频域资源中的上行频域资源重叠的频域资源。由于CSI测量和/或CSI报告需要涉及下行频域资源，因此这部分重叠的频域资源可能对于CSI测量和/或CSI报告是不可用的，即这部分重叠的频域资源可能无法进行CSI测量和/或CSI报告。
为了实现在激活的BWP上考虑相同的时间单元内的多个频域资源的情况下进行CSI测量和/或CSI报告，本申请可以根据激活的BWP和相同的时间单元内的多个频域资源来确定CSI报告频带，再根据CSI报告频带来进行CSI测量和/或CSI报告。由于CSI报告频带的确定过程是综合考虑了激活的BWP和相同的时间单元内的多个频域资源，因此所确定出的CSI报告频带可以进行CSI测量和/或CSI报告，以便保证CSI性能。
在一些可能的实现中，CSI报告频带是根据激活的BWP和相同的时间单元的多个频域资源确定，可以包括：
CSI报告频带，是根据不可用频域资源和/或可用频域资源确定的；
不可用频域资源，为激活的BWP内与多个频域资源中的上行频域资源重叠的频域资源；
可用频域资源，为激活的BWP内与多个频域资源中的上行频域资源非重叠的频域资源。
需要说明的是，结合上述“2、如何确定CSI报告频带”中的内容，本申请可以根据激活的BWP和多个频域资源确定不可用频域资源和/或可用频域资源，再根据不可用频域资源和/或可用频域资源确定CSI报告频带。由于CSI报告频带可以根据可用频域资源确定，因此CSI报告频带可以处于可用频域资源内。这样，有利于根据CSI报告频带进行CSI测量和/或CSI报告。
在一些可能的实现中，根据不可用频域资源和/或可用频域资源确定，可以包括：
去除激活的BWP内的不可用频域资源，并根据可用频域资源确定。
需要说明的是，结合上述“方案1”中的内容，本申请可以去除激活的BWP内的不可用频域资源。这样就可以根据可用频域资源来CSI报告频带，使得CSI报告频带可以处于可用频域资源内，以便有利于根据CSI报告频带进行CSI测量和/或CSI报告。
在一些可能的实现中，CSI报告频带中的子带是根据可用频域资源确定，且CSI报告频带中的子带包括可用子带；
可用子带中的所有RB与多个频域资源中的上行频域资源非重叠。
需要说明的是，结合上述“方案1”中的内容，“方案1”是将可用频域资源进行子带划分。这样，可用频域资源中划分出的子带均全部位于可用频域资源内。另外，由于本申请根据可用频域资源中划分出的子带来确定CSI报告频带中的子带，因此CSI报告频带中的子带可以包括可用子带。
在一些可能的实现中，CSI报告频带中的子带是根据可用频域资源确定，包括：
CSI报告频带中的子带，是将每块可用频域资源独立划分子带以确定的；或者，
CSI报告频带中的子带，是将多块可用频域资源联合划分子带以确定的。
需要说明的是，结合上述“方式A”和“方式B”中的内容，本申请可以将每块可用频域资源独立划分子带以确定CSI报告频带中的子带，也可以将多块可用频域资源联合划分子带以确定CSI报告频带中的子带，从而通过多种方式来划分子带以确定CSI报告频带中的子带。
在一些可能的实现中，根据不可用频域资源和/或可用频域资源确定，包括：
不去除激活的BWP内的不可用频域资源，并根据不可用频域资源和可用频域资源确定。
需要说明的是，结合上述“方案2”中的内容，本申请可以不去除激活的BWP内的不可用频域资源。这样就可以根据不可用频域资源和可用频域资源来确定CSI报告频带，使得CSI报告频带可以处于可用频域资源内，以便有利于根据CSI报告频带进行CSI测量和/或CSI报告。
在一些可能的实现中，CSI报告频带中的子带是根据不可用频域资源和可用频域资源确定，且CSI报告频带中的子带包括可用子带；
可用子带中的部分RB与多个频域资源中的上行频域资源非重叠；和/或，
可用子带中的所有RB与多个频域资源中的上行频域资源非重叠。
需要说明的是，结合上述“方案2”中的内容，“方案2”是将不可用频域资源和可用频域资源进行子带划分，即将激活的BWP进行子带划分。这样，在激活的BWP中划分出的子带中，有些子带可能完 全或者部分位于可用频域资源内。另外，由于本申请根据激活的BWP中划分出的子带来确定CSI报告频带中的子带，因此CSI报告频带中的子带可以包括可用子带，且可用子带完全位于可用频域资源或者部分位于可用频域资源内。
在一些可能的实现中，CSI报告频带中的子带是根据不可用频域资源和可用频域资源确定，且CSI报告频带中的子带包括可用子带和不可用子带；
可用子带中的部分RB与多个频域资源中的上行频域资源非重叠；和/者，
可用子带中的所有RB与多个频域资源中的上行频域资源非重叠；
不可用子带，为CSI报告频带内除可用子带外的子带。
需要说明的是，结合上述“方案2”中的内容，“方案2”是将不可用频域资源和可用频域资源进行子带划分，即将激活的BWP进行子带划分。这样，在激活的BWP中划分出的子带中，有些子带可能完全或者部分位于可用频域资源内，而有些子带可能完全或者部分位于不可用频域资源内。另外，由于本申请根据激活的BWP中划分出的子带来确定CSI报告频带中的子带，因此CSI报告频带中的子带可以包括可用子带和不可用子带，且可用子带完全或者部分位于可用频域资源内，不可用子带部分或者全部位于不可用频域资源内。
在一些可能的实现中，CSI报告频带内的可用子带用于上报CSI报告。
需要说明的是，结合上述“4、如何根据CSI报告频带进行CSI报告”中的内容，由于CSI报告频带中的子带可以包括可用子带，或可用子带和不可用子带，因此本申请可以通过可用子带来进行CSI报告的上报，而不可用子带不用于上报CSI报告。
在一些可能的实现中，CSI报告频带内的可用子带和不可用子带均用于上报CSI报告，且不可用子带所上报的CSI报告填充有固定信息。
需要说明的是，结合上述“4、如何根据CSI报告频带进行CSI报告”中的内容，由于CSI报告频带中的子带可以包括可用子带和不可用子带，因此本申请可以通过可用子带和不可用子带来进行CSI报告的上报，且不可用子带所上报的CSI报告内需要填充固定信息。
在一些可能的实现中，CSI报告频带中的子带，关联至少一个信道状态信息参考信号CSI-RS资源，至少一个CSI-RS资源包含在至少一个资源集中。
需要说明的是，结合上述“3、如何根据CSI报告频带进行CSI测量”中的内容，本申请可以根据CSI报告频带中的子带所关联的CSI-RS资源对下行信道进行CSI测量，从而实现根据CSI报告频带进行CSI测量。
在一些可能的实现中，若CSI报告频带中的各个子带所关联的CSI-RS资源在同一个资源集中，则该同一个资源集对应同一个CSI报告，且同一个CSI报告包括CSI报告频带中的各个子带的CSI参数或固定信息。
需要说明的是，结合上述“4、如何根据CSI报告频带进行CSI报告”中的内容，本申请可以将CSI报告频带中的各个子带所关联的CSI-RS资源在同一个资源集，并且该同一个资源集对应同一个CSI报告，从而实现宽带CSI报告。
在一些可能的实现中，同一个资源集中的各个CSI-RS资源之间具有不同的起始位置和/或不同的长度。
需要说明的是，结合上述“3、如何根据CSI报告频带进行CSI测量”中的内容，CSI报告频带中的子带关联的CSI-RS资源可以处于同一个ResourceSet内，且同一个ResourceSet内的这些CSI-RS资源之间具有不同的起始位置以及不同的长度，以便根据这些CSI-RS资源对下行信道进行CSI测量。
五、一种通信装置的示例说明
上述主要从方法侧的角度对本申请实施例的方案进行了介绍。可以理解的是，终端设备或网络设备为了实现上述功能，其包含了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，本申请能够以硬件或硬件与计算机软件的结合形式来实现。某个功能究竟以硬件或计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。本领域技术人员可以对每个特定的应用使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
本申请实施例可以根据上述方法示例对终端设备或网络设备进行功能单元的划分。例如，可以对应各个功能划分各个功能单元，也可以将两个或两个以上的功能集成在一个处理单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件程序模块的形式实现。需要说明的是，本申请实施例中对单元的划分是示意性的，只是一种逻辑功能划分，而实际实现时可以有另外的划分方式。
在采用集成的单元的情况下，图8是本申请实施例的一种通信装置的功能单元组成框图。通信装置 800包括：处理单元801。
在一些可能的实现中，处理单元801可以是一种用于对信号、数据、信息等进行处理的模块单元，对此不作具体限制。
在一些可能的实现中，通信装置800还可以包括存储单元，用于存储通信装置800所执行的计算机程序代码或者指令。存储单元可以是存储器。
在一些可能的实现中，通信装置800可以是芯片或者芯片模组。
在一些可能的实现中，处理单元801可以集成在其他单元中。
例如，处理单元801可以集成在通信单元中。需要说明的是，通信单元可以是通信接口、收发器、收发电路等。
在一些可能的实现中，处理单元801可以是处理器或控制器，例如可以是基带处理器、基带芯片、中央处理器(central processing unit，CPU)、通用处理器、数字信号处理器(digital signal processor，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、晶体管逻辑器件、硬件部件或者其任意组合。其可以实现或执行结合本申请公开内容所描述的各种示例性的逻辑方框、模块和电路。处理单元也可以是实现计算功能的组合，例如包含一个或多个微处理器组合、DSP和微处理器的组合等。
在一些可能的实现中，处理单元801用于执行如上述方法实施例中由终端设备/芯片/芯片模组等执行的任一步骤，如发送或接收数据等。下面进行详细说明。
具体实现时，处理单元801用于执行如上述方法实施例中的任一步骤，且在执行诸如发送等动作时，可选择的调用其他单元来完成相应操作。下面进行详细说明。
处理单元801，用于根据信道状态信息CSI报告频带进行CSI测量和/或CSI报告，该CSI报告频带是根据激活的带宽部分BWP和相同的时间单元内的多个频域资源确定，该多个频域资源包括上行频域资源和下行频域资源。
可见，由于本申请实施例在激活的BWP上考虑相同的时间单元内的多个频域资源，使得该激活的BWP中可能存在与相同的时间单元内的多个频域资源中的上行频域资源重叠的频域资源。由于CSI测量和/或CSI报告需要涉及下行频域资源，因此这部分重叠的频域资源可能对于CSI测量和/或CSI报告是不可用的，即这部分重叠的频域资源可能无法进行CSI测量和/或CSI报告。
为了实现在激活的BWP上考虑相同的时间单元内的多个频域资源的情况下进行CSI测量和/或CSI报告，本申请可以根据激活的BWP和相同的时间单元内的多个频域资源来确定CSI报告频带，再根据CSI报告频带来进行CSI测量和/或CSI报告。由于CSI报告频带的确定过程是综合考虑了激活的BWP和相同的时间单元内的多个频域资源，因此所确定出的CSI报告频带可以进行CSI测量和/或CSI报告，以便保证CSI性能。
需要说明的是，图8所述实施例中各个操作的具体实现可以详见上述所示的方法实施例中的描述，在此不再具体赘述。
六、又一种通信装置的示例说明
在采用集成的单元的情况下，图9是本申请实施例的又一种通信装置的功能单元组成框图。通信装置900包括：接收单元901。
在一些可能的实现中，接收单元901可以是一种用于对信号、数据、信息等进行处理的模块单元，对此不作具体限制。
在一些可能的实现中，通信装置900还可以包括存储单元，用于存储通信装置900所执行的计算机程序代码或者指令。存储单元可以是存储器。
在一些可能的实现中，通信装置900可以是芯片或者芯片模组。
在一些可能的实现中，接收单元901可以集成在其他单元中。
例如，接收单元901可以集成在通信单元中。其中，通信单元可以是通信接口、收发器、收发电路等。
又例如，接收单元901可以集成在处理单元中。其中，处理单元可以是处理器或控制器，例如可以是基带处理器、基带芯片、CPU、DSP、ASIC、FPGA或者其他可编程逻辑器件、晶体管逻辑器件、硬件部件或者其任意组合。其可以实现或执行结合本申请公开内容所描述的各种示例性的逻辑方框、模块和电路。处理单元也可以是实现计算功能的组合，例如包含一个或多个微处理器组合、DSP和微处理器的组合等。
在一些可能的实现中，接收单元901用于执行如上述方法实施例中由网络设备/芯片/芯片模组等执行的任一步骤，如发送或接收等数据传输。下面进行详细说明。
具体实现时，接收单元901用于执行如上述方法实施例中的任一步骤，且在执行诸如接收等动作时，可选择的调用其他单元来完成相应操作。下面进行详细说明。
接收单元901，用于接收CSI报告，该CSI报告是根据信道状态信息CSI报告频带进行的，该CSI报告频带是根据激活的带宽部分BWP和相同的时间单元内的多个频域资源确定，该多个频域资源包括上行频域资源和下行频域资源。
可见，由于本申请实施例在激活的BWP上考虑相同的时间单元内的多个频域资源，使得该激活的BWP中可能存在与相同的时间单元内的多个频域资源中的上行频域资源重叠的频域资源。由于CSI测量和/或CSI报告需要涉及下行频域资源，因此这部分重叠的频域资源可能对于CSI测量和/或CSI报告是不可用的，即这部分重叠的频域资源可能无法进行CSI测量和/或CSI报告。
为了实现在激活的BWP上考虑相同的时间单元内的多个频域资源的情况下进行CSI测量和/或CSI报告，本申请可以根据激活的BWP和相同的时间单元内的多个频域资源来确定CSI报告频带，再根据CSI报告频带来进行CSI测量和/或CSI报告。由于CSI报告频带的确定过程是综合考虑了激活的BWP和相同的时间单元内的多个频域资源，因此所确定出的CSI报告频带可以进行CSI测量和/或CSI报告，以便保证CSI性能。
需要说明的是，图9所述实施例中各个操作的具体实现可以详见上述所示的方法实施例中的描述，在此不再具体赘述。
七、一种终端设备的示例说明
请参阅图10，图10是本申请实施例的一种终端设备的结构示意图。其中，终端设备1000包括处理器1010、存储器1020以及用于连接处理器1010和存储器1020的通信总线。
在一些可能的实现中，存储器1020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)，该存储器1020用于存储终端设备1000所执行的程序代码和所传输的数据。
在一些可能的实现中，终端设备1000还包括通信接口，其用于接收和发送数据。
在一些可能的实现中，处理器1010可以是一个或多个中央处理器(CPU)，在处理器1010是一个中央处理器(CPU)的情况下，该中央处理器(CPU)可以是单核中央处理器(CPU)，也可以是多核中央处理器(CPU)。
在一些可能的实现中，处理器1010可以为基带芯片、芯片、中央处理器(CPU)、通用处理器、DSP、ASIC、FPGA或者其他可编程逻辑器件、晶体管逻辑器件、硬件部件或者其任意组合。
具体实现时，终端设备1000中的处理器1010用于执行存储器1020中存储的计算机程序或指令1021，执行以下操作：
根据信道状态信息CSI报告频带进行CSI测量和/或CSI报告，该CSI报告频带是根据激活的带宽部分BWP和相同的时间单元内的多个频域资源确定，该多个频域资源包括上行频域资源和下行频域资源。
可见，由于本申请实施例在激活的BWP上考虑相同的时间单元内的多个频域资源，使得该激活的BWP中可能存在与相同的时间单元内的多个频域资源中的上行频域资源重叠的频域资源。由于CSI测量和/或CSI报告需要涉及下行频域资源，因此这部分重叠的频域资源可能对于CSI测量和/或CSI报告是不可用的，即这部分重叠的频域资源可能无法进行CSI测量和/或CSI报告。
为了实现在激活的BWP上考虑相同的时间单元内的多个频域资源的情况下进行CSI测量和/或CSI报告，本申请可以根据激活的BWP和相同的时间单元内的多个频域资源来确定CSI报告频带，再根据CSI报告频带来进行CSI测量和/或CSI报告。由于CSI报告频带的确定过程是综合考虑了激活的BWP和相同的时间单元内的多个频域资源，因此所确定出的CSI报告频带可以进行CSI测量和/或CSI报告，以便保证CSI性能。
需要说明的是，各个操作的具体实现可以采用上述所示的方法实施例的相应描述，终端设备1000可以用于执行本申请上述方法实施例，对此不再赘述。
八、一种网络设备的示例说明
请参阅图11，图11是本申请实施例提供的一种网络设备的结构示意图。其中，网络设备1100包括处理器1110、存储器1120以及用于连接处理器1110、存储器1120的通信总线。
在一些可能的实现中，存储器1120包括但不限于是RAM、ROM、EPROM或CD-ROM，该存储器1120用于存储相关指令及数据。
在一些可能的实现中，网络设备1100还包括通信接口，其用于接收和发送数据。
在一些可能的实现中，处理器1110可以是一个或多个中央处理器(CPU)，在处理器1110是一个中央处理器(CPU)的情况下，该中央处理器(CPU)可以是单核中央处理器(CPU)，也可以是多核中央处理器(CPU)。
在一些可能的实现中，处理器1110可以为基带芯片、芯片、中央处理器(CPU)、通用处理器、DSP、ASIC、FPGA或者其他可编程逻辑器件、晶体管逻辑器件、硬件部件或者其任意组合。
在一些可能的实现中，网络设备1100中的处理器1110用于执行存储器1120中存储的计算机程序或指令1121，执行以下操作：
用于接收CSI报告，该CSI报告是根据信道状态信息CSI报告频带进行的，该CSI报告频带是根据激活的带宽部分BWP和相同的时间单元内的多个频域资源确定，该多个频域资源包括上行频域资源和下行频域资源。
可见，由于本申请实施例在激活的BWP上考虑相同的时间单元内的多个频域资源，使得该激活的BWP中可能存在与相同的时间单元内的多个频域资源中的上行频域资源重叠的频域资源。由于CSI测量和/或CSI报告需要涉及下行频域资源，因此这部分重叠的频域资源可能对于CSI测量和/或CSI报告是不可用的，即这部分重叠的频域资源可能无法进行CSI测量和/或CSI报告。
为了实现在激活的BWP上考虑相同的时间单元内的多个频域资源的情况下进行CSI测量和/或CSI报告，本申请可以根据激活的BWP和相同的时间单元内的多个频域资源来确定CSI报告频带，再根据CSI报告频带来进行CSI测量和/或CSI报告。由于CSI报告频带的确定过程是综合考虑了激活的BWP和相同的时间单元内的多个频域资源，因此所确定出的CSI报告频带可以进行CSI测量和/或CSI报告，以便保证CSI性能。
需要说明的是，各个操作的具体实现可以采用上述所示的方法实施例的相应描述，网络设备1100可以用于执行本申请上述方法实施例，对此不再赘述。
九、其他相关的示例说明
在一些可能的实现中，上述方法实施例可以应用于终端设备或应用于终端设备之中。也就是说，上述方法实施例的执行主体，可以是终端设备，可以是芯片、芯片模组或模块等，对此不作具体限制。
在一些可能的实现中，上述方法实施例可以应用于网络设备或应用于网络设备之中。也就是说，上述方法实施例的执行主体，可以是网络设备，可以是芯片、芯片模组或模块等，对此不作具体限制。
本申请实施例还提供了一种芯片，包括处理器、存储器及存储在该存储器上的计算机程序或指令，其中，该处理器执行该计算机程序或指令以实现上述方法实施例所描述的步骤。
本申请实施例还提供了一种芯片模组，包括收发组件和芯片，该芯片包括处理器、存储器及存储在该存储器上的计算机程序或指令，其中，该处理器执行该计算机程序或指令以实现上述方法实施例所描述的步骤。
本申请实施例还提供了一种计算机可读存储介质，其存储有计算机程序或指令，该计算机程序或指令被执行时实现上述方法实施例所描述的步骤。
本申请实施例还提供了一种计算机程序产品，包括计算机程序或指令，该计算机程序或指令被执行时实现上述方法实施例所描述的步骤。
本申请实施例还提供了一种通信系统，包括上述的终端设备和网络设备。
需要说明的是，对于上述的各个实施例，为了简单描述，将其都表述为一系列的动作组合。本领域技术人员应该知悉，本申请不受所描述的动作顺序的限制，因为本申请实施例中的某些步骤可以采用其他顺序或者同时进行。另外，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、步骤、模块或单元等并不一定是本申请实施例所必须的。
在上述实施例中，本申请实施例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。
本申请实施例所描述的方法或者算法的步骤可以以硬件的方式来实现，也可以是由处理器执行软件指令的方式来实现。软件指令可以由相应的软件模块组成，软件模块可以被存放于RAM、闪存、ROM、EPROM、电可擦可编程只读存储器(electrically EPROM，EEPROM)、寄存器、硬盘、移动硬盘、只读光盘(CD-ROM)或者本领域熟知的任何其它形式的存储介质中。一种示例性的存储介质耦合至处理器，从而使处理器能够从该存储介质读取信息，且可向该存储介质写入信息。当然，存储介质也可以是处理器的组成部分。处理器和存储介质可以位于ASIC中。另外，该ASIC可以位于终端设备或管理设备中。当然，处理器和存储介质也可以作为分立组件存在于终端设备或管理设备中。
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全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算 机程序产品的形式实现。该计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行该计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。该计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。该计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输。例如，该计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line，DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。该计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。该可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，数字视频光盘(digital video disc，DVD))、或者半导体介质(例如，固态硬盘(solid state disk，SSD))等。
上述实施例中描述的各个装置、产品包含的各个模块/单元，其可以是软件模块/单元，也可以是硬件模块/单元，或者也可以部分是软件模块/单元，部分是硬件模块/单元。例如，对于应用于或集成于芯片的各个装置、产品，其包含的各个模块/单元可以都采用电路等硬件的方式实现，或者，至少部分模块/单元可以采用软件程序的方式实现，该软件程序运行于芯片内部集成的处理器，剩余的(如果有)部分模块/单元可以采用电路等硬件方式实现；对于应用于或集成于芯片模组的各个装置、产品，其包含的各个模块/单元可以都采用电路等硬件的方式实现，不同的模块/单元可以位于芯片模组的同一组件(例如芯片、电路模块等)或者不同组件中，或者，至少部分模块/单元可以采用软件程序的方式实现，该软件程序运行于芯片模组内部集成的处理器，剩余的(如果有)部分模块/单元可以采用电路等硬件方式实现；对于应用于或集成于终端设备的各个装置、产品，其包含的各个模块/单元可以都采用电路等硬件的方式实现，不同的模块/单元可以位于终端设备内同一组件(例如，芯片、电路模块等)或者不同组件中，或者，至少部分模块/单元可以采用软件程序的方式实现，该软件程序运行于终端设备内部集成的处理器，剩余的(如果有)部分模块/单元可以采用电路等硬件方式实现。
以上所述的具体实施方式，对本申请实施例的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本申请实施例的具体实施方式而已，并不用于限定本申请实施例的保护范围，凡在本申请实施例的技术方案的基础之上，所做的任何修改、等同替换、改进等，均应包括在本申请实施例的保护范围之内。

Claims (56)

  1. 一种通信方法，其特征在于，包括：
    根据信道状态信息CSI报告频带进行CSI测量和/或CSI报告，所述CSI报告频带是根据激活的带宽部分BWP和相同的时间单元内的多个频域资源确定，所述多个频域资源包括上行频域资源和下行频域资源。
  2. 根据权利要求1所述的方法，其特征在于，所述CSI报告频带是根据激活的BWP和相同的时间单元的多个频域资源确定，包括：
    所述CSI报告频带，是根据不可用频域资源和/或可用频域资源确定的；
    所述不可用频域资源，为所述激活的BWP内与所述多个频域资源中的上行频域资源重叠的频域资源；
    所述可用频域资源，为所述激活的BWP内与所述多个频域资源中的上行频域资源非重叠的频域资源。
  3. 根据权利要求2所述的方法，其特征在于，所述根据不可用频域资源和/或可用频域资源确定，包括：
    去除所述激活的BWP内的所述不可用频域资源，并根据所述可用频域资源确定。
  4. 根据权利要求3所述的方法，其特征在于，所述CSI报告频带中的子带是根据所述可用频域资源确定，且所述CSI报告频带中的子带包括可用子带；
    所述可用子带中的所有资源块RB与所述多个频域资源中的上行频域资源非重叠。
  5. 根据权利要求4所述的方法，其特征在于，所述CSI报告频带中的子带是根据所述可用频域资源确定，包括：
    所述CSI报告频带中的子带，是将每块所述可用频域资源独立划分子带以确定的；或者，
    所述CSI报告频带中的子带，是将多块所述可用频域资源联合划分子带以确定的。
  6. 根据权利要求2所述的方法，其特征在于，所述根据不可用频域资源和/或可用频域资源确定，包括：
    不去除所述激活的BWP内的所述不可用频域资源，并根据所述不可用频域资源和所述可用频域资源确定。
  7. 根据权利要求6所述的方法，其特征在于，所述CSI报告频带中的子带是根据所述不可用频域资源和所述可用频域资源确定，且所述CSI报告频带中的子带包括可用子带；
    所述可用子带中的部分资源块RB与所述多个频域资源中的上行频域资源非重叠；和/或，
    所述可用子带中的所有RB与所述多个频域资源中的上行频域资源非重叠。
  8. 根据权利要求6所述的方法，其特征在于，所述CSI报告频带中的子带是根据所述不可用频域资源和所述可用频域资源确定，且所述CSI报告频带中的子带包括可用子带和不可用子带；
    所述可用子带中的部分RB与所述多个频域资源中的上行频域资源非重叠；和/者，
    所述可用子带中的所有RB与所述多个频域资源中的上行频域资源非重叠；
    所述不可用子带，为所述CSI报告频带内除所述可用子带外的子带。
  9. 根据权利要求4、7或8所述的方法，其特征在于，所述CSI报告频带内的所述可用子带用于上报CSI报告。
  10. 根据权利要求7所述的方法，其特征在于，所述CSI报告频带内的所述可用子带和所述不可用子带均用于上报CSI报告，且所述不可用子带所上报的CSI报告填充有固定信息。
  11. 根据权利要求1所述的方法，其特征在于，所述CSI报告频带中的子带，关联至少一个信道状态信息参考信号CSI-RS资源，所述至少一个CSI-RS资源包含在至少一个资源集中。
  12. 根据权利要求11所述的方法，其特征在于，若CSI报告频带中的各个子带所关联的CSI-RS资源在同一个资源集中，则该同一个资源集对应同一个CSI报告，且所述同一个CSI报告包括所述CSI报告频带中的各个子带的CSI参数或固定信息。
  13. 根据权利要求11所述的方法，其特征在于，同一个资源集中的各个CSI-RS资源之间具有不同的起始位置和/或不同的长度。
  14. 一种通信方法，其特征在于，包括：
    接收CSI报告，所述CSI报告是根据信道状态信息CSI报告频带进行的，所述CSI报告频带是根据激活的带宽部分BWP和相同的时间单元内的多个频域资源确定，所述多个频域资源包括上行频域资源和下行频域资源。
  15. 根据权利要求14所述的方法，其特征在于，所述CSI报告频带是根据激活的BWP和相同的时间 单元内的多个频域资源确定，包括：
    所述CSI报告频带，是根据不可用频域资源和/或可用频域资源确定的；
    所述不可用频域资源，为所述激活的BWP内与所述多个频域资源中的上行频域资源重叠的频域资源；
    所述可用频域资源，为所述激活的BWP内除所述不可用频域资源之外的频域资源。
  16. 根据权利要求15所述的方法，其特征在于，所述根据不可用频域资源和/或可用频域资源确定，包括：
    去除所述激活的BWP内的所述不可用频域资源，并根据所述可用频域资源中的子带确定。
  17. 根据权利要求16所述的方法，其特征在于，所述CSI报告频带中的子带是根据所述可用频域资源中的子带确定，且所述CSI报告频带中的子带包括可用子带；
    所述可用子带中的所有资源块RB与所述多个频域资源中的上行频域资源非重叠。
  18. 根据权利要求17所述的方法，其特征在于，所述CSI报告频带中的子带是根据所述可用频域资源确定，包括：
    所述CSI报告频带中的子带，是将每块所述可用频域资源独立划分子带以确定的；或者，
    所述CSI报告频带中的子带，是将多块所述可用频域资源联合划分子带以确定的。
  19. 根据权利要求15所述的方法，其特征在于，所述根据不可用频域资源和/或可用频域资源确定，包括：
    不去除所述激活的BWP内的所述不可用频域资源，并根据所述不可用频域资源和所述可用频域资源确定。
  20. 根据权利要求19所述的方法，其特征在于，所述CSI报告频带中的子带是根据所述不可用频域资源和所述可用频域资源确定，且所述CSI报告频带中的子带包括可用子带；
    所述可用子带中的部分资源块RB与所述多个频域资源中的上行频域资源非重叠；和/或，
    所述可用子带中的所有RB与所述多个频域资源中的上行频域资源非重叠。
  21. 根据权利要求20所述的方法，其特征在于，所述CSI报告频带中的子带是根据所述不可用频域资源和所述可用频域资源确定，且所述CSI报告频带中的子带包括可用子带和不可用子带；
    所述可用子带中的部分RB与所述多个频域资源中的上行频域资源非重叠；和/或，
    所述可用子带中的所有RB与所述多个频域资源中的上行频域资源非重叠；
    所述不可用子带，为所述SI报告频带内除所述可用子带外的子带。
  22. 根据权利要求17、20或21所述的方法，其特征在于，所述CSI报告频带内的所述可用子带用于上报CSI报告。
  23. 根据权利要求20所述的方法，其特征在于，所述CSI报告频带内的所述可用子带和所述不可用子带均用于上报CSI报告，且所述不可用子带所上报的CSI报告填充有固定信息。
  24. 根据权利要求14所述的方法，其特征在于，所述CSI报告频带中的子带，关联至少一个信道状态信息参考信号CSI-RS资源，所述至少一个CSI-RS资源包含在至少一个资源集中。
  25. 根据权利要求24所述的方法，其特征在于，若CSI报告频带中的各个子带所关联的CSI-RS资源在同一个资源集中，则该同一个资源集对应同一个CSI报告，且所述同一个CSI报告包括所述CSI报告频带中的不同子带的CSI参数或固定信息。
  26. 根据权利要求24所述的方法，其特征在于，同一个资源集中的各个CSI-RS资源之间具有不同的起始位置和/或不同的长度。
  27. 一种通信装置，其特征在于，包括：
    处理单元，用于根据信道状态信息CSI报告频带进行CSI测量和/或CSI报告，所述CSI报告频带是根据激活的带宽部分BWP和相同的时间单元内的多个频域资源确定，所述多个频域资源包括上行频域资源和下行频域资源。
  28. 根据权利要求27所述的装置，其特征在于，所述CSI报告频带是根据激活的BWP和相同的时间单元的多个频域资源确定，包括：
    所述CSI报告频带，是根据不可用频域资源和/或可用频域资源确定的；
    所述不可用频域资源，为所述激活的BWP内与所述多个频域资源中的上行频域资源重叠的频域资源；
    所述可用频域资源，为所述激活的BWP内与所述多个频域资源中的上行频域资源非重叠的频域资源。
  29. 根据权利要求28所述的装置，其特征在于，所述根据不可用频域资源和/或可用频域资源确定， 包括：
    去除所述激活的BWP内的所述不可用频域资源，并根据所述可用频域资源确定。
  30. 根据权利要求29所述的装置，其特征在于，所述CSI报告频带中的子带是根据所述可用频域资源确定，且所述CSI报告频带中的子带包括可用子带；
    所述可用子带中的所有资源块RB与所述多个频域资源中的上行频域资源非重叠。
  31. 根据权利要求30所述的装置，其特征在于，所述CSI报告频带中的子带是根据所述可用频域资源确定，包括：
    所述CSI报告频带中的子带，是将每块所述可用频域资源独立划分子带以确定的；或者，
    所述CSI报告频带中的子带，是将多块所述可用频域资源联合划分子带以确定的。
  32. 根据权利要求28所述的装置，其特征在于，所述根据不可用频域资源和/或可用频域资源确定，包括：
    不去除所述激活的BWP内的所述不可用频域资源，并根据所述不可用频域资源和所述可用频域资源确定。
  33. 根据权利要求32所述的装置，其特征在于，所述CSI报告频带中的子带是根据所述不可用频域资源和所述可用频域资源确定，且所述CSI报告频带中的子带包括可用子带；
    所述可用子带中的部分资源块RB与所述多个频域资源中的上行频域资源非重叠；和/或，
    所述可用子带中的所有RB与所述多个频域资源中的上行频域资源非重叠。
  34. 根据权利要求32所述的装置，其特征在于，所述CSI报告频带中的子带是根据所述不可用频域资源和所述可用频域资源确定，且所述CSI报告频带中的子带包括可用子带和不可用子带；
    所述可用子带中的部分RB与所述多个频域资源中的上行频域资源非重叠；和/者，
    所述可用子带中的所有RB与所述多个频域资源中的上行频域资源非重叠；
    所述不可用子带，为所述CSI报告频带内除所述可用子带外的子带。
  35. 根据权利要求30、33或34所述的装置，其特征在于，所述CSI报告频带内的所述可用子带用于上报CSI报告。
  36. 根据权利要求33所述的装置，其特征在于，所述CSI报告频带内的所述可用子带和所述不可用子带均用于上报CSI报告，且所述不可用子带所上报的CSI报告填充有固定信息。
  37. 根据权利要求27所述的装置，其特征在于，所述CSI报告频带中的子带，关联至少一个信道状态信息参考信号CSI-RS资源，所述至少一个CSI-RS资源包含在至少一个资源集中。
  38. 根据权利要求37所述的装置，其特征在于，若CSI报告频带中的各个子带所关联的CSI-RS资源在同一个资源集中，则该同一个资源集对应同一个CSI报告，且所述同一个CSI报告包括所述CSI报告频带中的各个子带的CSI参数或固定信息。
  39. 根据权利要求37所述的装置，其特征在于，同一个资源集中的各个CSI-RS资源之间具有不同的起始位置和/或不同的长度。
  40. 一种通信装置，其特征在于，包括：
    接收单元，用于接收CSI报告，所述CSI报告是根据信道状态信息CSI报告频带进行的，所述CSI报告频带是根据激活的带宽部分BWP和相同的时间单元内的多个频域资源确定，所述多个频域资源包括上行频域资源和下行频域资源。
  41. 根据权利要求40所述的装置，其特征在于，所述CSI报告频带是根据激活的BWP和相同的时间单元内的多个频域资源确定，包括：
    所述CSI报告频带，是根据不可用频域资源和/或可用频域资源确定的；
    所述不可用频域资源，为所述激活的BWP内与所述多个频域资源中的上行频域资源重叠的频域资源；
    所述可用频域资源，为所述激活的BWP内除所述不可用频域资源之外的频域资源。
  42. 根据权利要求41所述的装置，其特征在于，所述根据不可用频域资源和/或可用频域资源确定，包括：
    去除所述激活的BWP内的所述不可用频域资源，并根据所述可用频域资源中的子带确定。
  43. 根据权利要求42所述的装置，其特征在于，所述CSI报告频带中的子带是根据所述可用频域资源中的子带确定，且所述CSI报告频带中的子带包括可用子带；
    所述可用子带中的所有资源块RB与所述多个频域资源中的上行频域资源非重叠。
  44. 根据权利要求43所述的装置，其特征在于，所述CSI报告频带中的子带是根据所述可用频域资源确定，包括：
    所述CSI报告频带中的子带，是将每块所述可用频域资源独立划分子带以确定的；或者，
    所述CSI报告频带中的子带，是将多块所述可用频域资源联合划分子带以确定的。
  45. 根据权利要求41所述的装置，其特征在于，所述根据不可用频域资源和/或可用频域资源确定，包括：
    不去除所述激活的BWP内的所述不可用频域资源，并根据所述不可用频域资源和所述可用频域资源确定。
  46. 根据权利要求45所述的装置，其特征在于，所述CSI报告频带中的子带是根据所述不可用频域资源和所述可用频域资源确定，且所述CSI报告频带中的子带包括可用子带；
    所述可用子带中的部分资源块RB与所述多个频域资源中的上行频域资源非重叠；和/或，
    所述可用子带中的所有RB与所述多个频域资源中的上行频域资源非重叠。
  47. 根据权利要求46所述的装置，其特征在于，所述CSI报告频带中的子带是根据所述不可用频域资源和所述可用频域资源确定，且所述CSI报告频带中的子带包括可用子带和不可用子带；
    所述可用子带中的部分RB与所述多个频域资源中的上行频域资源非重叠；和/或，
    所述可用子带中的所有RB与所述多个频域资源中的上行频域资源非重叠；
    所述不可用子带，为所述SI报告频带内除所述可用子带外的子带。
  48. 根据权利要求43、46或47所述的装置，其特征在于，所述CSI报告频带内的所述可用子带用于上报CSI报告。
  49. 根据权利要求46所述的装置，其特征在于，所述CSI报告频带内的所述可用子带和所述不可用子带均用于上报CSI报告，且所述不可用子带所上报的CSI报告填充有固定信息。
  50. 根据权利要求40所述的装置，其特征在于，所述CSI报告频带中的子带，关联至少一个信道状态信息参考信号CSI-RS资源，所述至少一个CSI-RS资源包含在至少一个资源集中。
  51. 根据权利要求50所述的装置，其特征在于，若CSI报告频带中的各个子带所关联的CSI-RS资源在同一个资源集中，则该同一个资源集对应同一个CSI报告，且所述同一个CSI报告包括所述CSI报告频带中的不同子带的CSI参数或固定信息。
  52. 根据权利要求50所述的装置，其特征在于，同一个资源集中的各个CSI-RS资源之间具有不同的起始位置和/或不同的长度。
  53. 一种终端设备，包括处理器、存储器及存储在所述存储器上的计算机程序或指令，其特征在于，所述处理器执行所述计算机程序或指令以实现权利要求1-13中任一项所述方法的步骤。
  54. 一种网络设备，包括处理器、存储器及存储在所述存储器上的计算机程序或指令，其特征在于，所述处理器执行所述计算机程序或指令以实现权利要求14-26中任一项所述方法的步骤。
  55. 一种芯片，包括处理器和通信接口，其特征在于，所述处理器执行权利要求1-13或14-26中任一项所述方法的步骤。
  56. 一种计算机可读存储介质，其特征在于，其存储有计算机程序或指令，所述计算机程序或指令被执行时实现权利要求1-13或14-26中任一项所述方法的步骤。
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