WO2021081770A1 - Procédé et appareil de mesure - Google Patents

Procédé et appareil de mesure Download PDF

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Publication number
WO2021081770A1
WO2021081770A1 PCT/CN2019/114078 CN2019114078W WO2021081770A1 WO 2021081770 A1 WO2021081770 A1 WO 2021081770A1 CN 2019114078 W CN2019114078 W CN 2019114078W WO 2021081770 A1 WO2021081770 A1 WO 2021081770A1
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Prior art keywords
reference signal
resource
resource period
signal resources
information
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PCT/CN2019/114078
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English (en)
Chinese (zh)
Inventor
管鹏
张希
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华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201980101789.0A priority Critical patent/CN114616851A/zh
Priority to PCT/CN2019/114078 priority patent/WO2021081770A1/fr
Publication of WO2021081770A1 publication Critical patent/WO2021081770A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering

Definitions

  • This application relates to the field of wireless communication technology, and in particular to a measurement method and device.
  • network equipment and terminal equipment can use array technology to form high-gain directional beams for communication, which can increase antenna gain and compensate for path loss.
  • beam training is required between network equipment and terminal equipment. The purpose of beam training is to find one or more suitable transceiver beam pairs among a variety of possible transceiver beam combinations.
  • downlink beam training is implemented by sending a reference signal through a network device, and the terminal device measures and/or feedbacks the reference signal sent by the network device.
  • the network device needs to send configuration information of the reference signal to the terminal device.
  • the configuration information of the reference signal includes the resource setting of the reference signal, which involves the time, frequency, power, port and other information of the network device sending the reference signal, ensuring that the terminal device can correctly receive the reference signal according to the configuration information of the reference signal. measuring.
  • 3rd generation partnership project 3rd generation partnership project
  • network equipment can be configured with a maximum of 64 reference signal resources in a reference signal resource set, and a total of up to 64 reference signal resources can be configured. 128 reference signal resources.
  • 3GPP 3rd generation partnership project
  • the protocol provides a mechanism for reporting the capabilities of terminal devices. When a terminal device is connected to the network, it can report its capabilities to the network device.
  • network equipment needs to perform beam training-related configurations according to the capabilities reported by the terminal equipment. For example, if a terminal device reports that it can only support a maximum of 8 reference signal resources, then the reference signal resource set configured by the network device for beam training can also only include a maximum of 8 reference signal resources.
  • the number of transmission beams of a network device is much greater than 8, such as 64, which causes the network device to continuously send radio resource control (RRC) signaling to the terminal device to update the reference signal resource for beam training Collectively, this will bring a lot of system signaling overhead and time delay. For example, it takes 10-100 ms for the terminal device to receive the RRC signaling and apply the reference signal resource set configured in the RRC signaling.
  • RRC radio resource control
  • the signaling overhead and the number of resources in the beam training process are caused.
  • the problem of time delay because the number of reference signal resources supported by the terminal device does not match the number of reference signal resources included in the reference signal resource set configured by the network device for beam training, the signaling overhead and the number of resources in the beam training process are caused. The problem of time delay.
  • the purpose of the embodiments of the present application is to provide a measurement method and device to reduce signaling overhead and time delay in the beam training process.
  • an embodiment of the present application provides a measurement method, including: when the maximum number of supported reference signal resources is M, measuring M reference signal resources among the N reference signal resources in the first resource period, Obtain M pieces of signal measurement information, where N is an integer greater than 1, and M is an integer less than N; sending first information to the network device; the first information is used to indicate the measured M reference signal resources.
  • the network device does not need to be the terminal device through signaling.
  • the terminal device can only measure part of the reference signal resources configured by the network device, such as M reference signal resources, thereby reducing signaling overhead and delay, and also reducing the measurement burden of the terminal device, so that the terminal device can In the case of limited capacity, after multiple resource periods of measurement, the reference signal resource with the best signal measurement information is obtained.
  • the method further includes: sending second information to the network device; the second information is used to indicate the reference signal corresponding to the optimal signal measurement information among the M signal measurement information Resources.
  • the method further includes: sending third information to the network device.
  • the third information is used to indicate the optimal signal measurement information among the M signal measurement information.
  • the first information is the offset value ⁇ corresponding to the first resource period
  • ⁇ is the two measurement sequences of the terminal device in the first resource period and the second resource period in the same measurement order.
  • the difference between the resource numbers of the reference signal resources, the first resource period is the resource period corresponding to the first information, and the second resource period is before the first resource period and differs from the first resource period.
  • a resource period adjacent to the resource period, or the second resource period is a preset resource period.
  • the first information includes Bits or Bits
  • the first information includes Bits or The value corresponding to each bit is the ⁇ ; To round down, Is rounded up;
  • the first information includes L bits, and the product of the value corresponding to the L bits included in the first information and the preset weight value is the ⁇ ; the preset weight value is greater than 0 It is an integer, and the preset weight value has a corresponding relationship with N and L.
  • the measuring M reference signal resources among the N reference signal resources in the first resource period includes: the resource numbers of the N reference signal resources are K+ ⁇ to M reference signal resources of K+(M-1)+ ⁇ are measured; where K is the resource number of the starting reference signal resource among the M reference signal resources measured by the terminal device in the second resource period, and ⁇ is an integer
  • the second resource period is a resource period before and adjacent to the first resource period, or the second resource period is a preset resource period.
  • ⁇ is a value configured by the network device or a value determined by the terminal device.
  • ⁇ is equal to M.
  • the measuring M reference signal resources among the N reference signal resources in the first resource period includes: randomly selecting M reference signal resources from the N reference signal resources Take measurements.
  • the method further includes:
  • the number of reference signal resources configured by the network device is greater than the maximum number of reference signal resources supported by the terminal device, measuring the reference signal resources configured by the network device;
  • the maximum number of reference signal resources for channel state information CSI can be calculated
  • the method before measuring the M reference signal resources among the N reference signal resources in the first resource period, the method further includes: receiving reported amount configuration information from the network device And resource configuration information associated with the reported amount configuration information;
  • the resource configuration information is used to indicate one or more of the following:
  • the N reference signal resources are The N reference signal resources;
  • the number of resource periods Y for measuring the N reference signal resources where Y is an integer less than N/M;
  • the offset value ⁇ corresponding to the first resource period; ⁇ is the difference between the resource numbers of the two reference signal resources with the same measurement sequence in the first resource period and the second resource period, and
  • the first resource period is the resource period corresponding to the first information, the second resource period is the resource period before and adjacent to the first resource period, or the second resource period
  • the cycle is the preset resource cycle;
  • Part of the measurement indication information is used to indicate that when it is determined that the maximum number of reference signal resources that can be measured is less than the number N of reference signal resources configured by the network device, measure part of the reference signal resources among the N reference signal resources;
  • the reported amount configuration information is used to instruct the terminal device to report one or more of the following:
  • the number of the reference signal resource to which the optimal signal measurement information is determined according to the M reference signal resources measured in each resource period, and the optimal signal measurement information;
  • the receiving beam used when measuring the reference signal resource remains unchanged.
  • the present application also provides a communication device that has any method provided in the first aspect.
  • the communication device can be implemented by hardware, or can be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more units or units corresponding to the above-mentioned functions.
  • the communication device includes a processor configured to support the communication device to perform corresponding functions of the terminal device in the above-mentioned method.
  • the communication device may also include a memory, and the storage may be coupled with the processor, which stores program instructions and data necessary for the communication device.
  • the communication device further includes a communication interface, and the communication interface is used to support communication between the communication device and equipment such as network equipment.
  • the communication device includes corresponding functional units, which are respectively used to implement the steps in the above method.
  • the function can be realized by hardware, or the corresponding software can be executed by hardware.
  • the hardware or software includes one or more units corresponding to the above-mentioned functions.
  • the structure of the communication device includes a processing unit and a communication unit, and these units can perform corresponding functions in the foregoing method examples.
  • these units can perform corresponding functions in the foregoing method examples.
  • an embodiment of the present application provides a measurement method, including: transmitting a reference signal through each of the N reference signal resources in a first resource period; N is an integer greater than 0; receiving from the terminal The first information of the device; the first information is used to indicate the M reference signal resources measured by the terminal device in the N reference signal resources, where M is an integer less than N; the first information is used to determine the The M reference signal resources.
  • the network device does not need to reset the terminal device through signaling.
  • the terminal device can only measure part of the reference signal resources configured by the network device, such as M reference signal resources, thereby reducing signaling overhead and measurement burden of the terminal device, making the terminal device in a limited capacity In this case, after multiple resource periods of measurement, the reference signal resource with the best signal measurement information is obtained.
  • the first information is the offset value ⁇ corresponding to the first resource period, where ⁇ is the measurement sequence of the terminal device in the first resource period and the second resource period in the same order.
  • the difference between the resource numbers of two reference signal resources, the first resource period is the resource period corresponding to the first information, and the second resource period is before the first resource period and differs from the A resource period adjacent to the first resource period, or the second resource period is a preset resource period.
  • the first information includes Bits or Bits, the first information includes Bits or The value corresponding to each bit is the ⁇ ; To round down, Is rounded up; or, the first information includes L bits, and the product of the value corresponding to the L bits included in the first information and the preset weight value is the ⁇ ; the preset weight The value is an integer greater than 0, and the preset weight value has a corresponding relationship with N.
  • the method further includes: sending resource configuration information to the terminal device;
  • the resource configuration information is used to indicate one or more of the following:
  • the N reference signal resources are The N reference signal resources;
  • the number of resource periods Y for measuring the N reference signal resources where Y is an integer less than N/M;
  • the offset value ⁇ corresponding to the first resource period; ⁇ is the difference between the resource numbers of the two reference signal resources with the same measurement sequence in the first resource period and the second resource period, and
  • the first resource period is a resource period corresponding to the first information, and the second resource period is a resource period before and adjacent to the first resource period;
  • Part of the measurement indication information is used to instruct the terminal device to measure part of the reference signal resources of the N reference signal resources when it is determined that the maximum number of reference signal resources that can be measured is less than the number N of reference signal resources configured by the network device .
  • the present application also provides a communication device having any method provided in the second aspect.
  • the communication device can be implemented by hardware, or can be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more units or units corresponding to the above-mentioned functions.
  • the communication device includes a processor configured to support the communication device to perform the corresponding function of the network device in the method shown above.
  • the communication device may also include a memory, and the storage may be coupled with the processor, which stores program instructions and data necessary for the communication device.
  • the communication device further includes a communication interface, and the communication interface is used to support communication between the communication device and a terminal device and other devices.
  • the communication device includes corresponding functional units, which are respectively used to implement the steps in the above method.
  • the function can be realized by hardware, or the corresponding software can be executed by hardware.
  • the hardware or software includes one or more units corresponding to the above-mentioned functions.
  • the structure of the communication device includes a processing unit and a communication unit, and these units can perform corresponding functions in the foregoing method examples.
  • these units can perform corresponding functions in the foregoing method examples.
  • the description of the method provided in the second aspect which is not repeated here.
  • an embodiment of the present application provides a communication device, including a processor and a memory:
  • the processor is configured to execute a computer program or instruction stored in the memory, and when the computer program or instruction is executed, any one of the possible design methods in any of the foregoing aspects is executed.
  • an embodiment of the present application provides a readable storage medium, including a computer program or instruction, and when the computer program or instruction is executed, any one of the possible design methods in any of the above aspects is executed .
  • an embodiment of the present application provides a chip including a processor coupled with a memory and configured to execute a computer program or instruction stored in the memory.
  • a processor coupled with a memory and configured to execute a computer program or instruction stored in the memory.
  • an embodiment of the present application provides a computer program product.
  • a computer reads and executes the computer program product, any one of the possible design methods in any of the above aspects is executed.
  • an embodiment of the present application provides a communication device, including a processor, a transceiver, and a memory;
  • the processor is configured to execute a computer program or instruction stored in the memory, and when the computer program or instruction is executed, the communication device realizes any of the possible designs in any of the foregoing aspects. method.
  • an embodiment of the present application provides a system, including the terminal device provided in the foregoing second aspect and the network device provided in the foregoing fourth aspect.
  • FIG. 1 is a schematic diagram of the architecture of a communication system applicable to an embodiment of the present application
  • FIG. 2 is a schematic flowchart of a measurement method provided by an embodiment of this application.
  • FIG. 3 is a schematic diagram of a reference signal resource provided by an embodiment of this application.
  • FIG. 4 is a schematic diagram of a two-dimensional reference signal resource provided by an embodiment of this application.
  • FIG. 5 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • Fig. 6 is a schematic structural diagram of a communication device provided by an embodiment of the application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GSM Global System of Mobile Communication
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • 5G 5th Generation
  • NR New Radio
  • FIG. 1 shows the architecture of a possible communication system suitable for the method provided in the embodiments of the present application.
  • the architecture of the communication system includes a network device and at least one terminal device, wherein: the network device can pass through different directions
  • the beam establishes a communication link with at least one terminal device (for example, the terminal device 1 and the terminal device 2 shown in the figure).
  • the network device may provide services related to wireless access for the at least one terminal device, and implement one or more of the following functions: wireless physical layer function, resource scheduling and wireless resource management, quality of service , Qos) management, wireless access control and mobility management functions.
  • the at least one terminal device may also form a beam to perform data transmission with the network device. In this embodiment, the network device and at least one terminal device can communicate with each other through a beam.
  • FIG. 1 is not limited to only include the devices shown in the figure, and may also include other devices not shown in the figure, which are not specifically listed here in this application.
  • Reference signal resources In this embodiment of the application, the resources used by the network device to send reference signals may be referred to as reference signal resources.
  • the reference signal may be any of the following signals: synchronization signal, broadcast channel, broadcast signal demodulation signal, Channel state information downlink signal (channel state information reference signal, CSI-RS), cell specific reference signal (CS-RS), terminal specific reference signal (user equipment specific reference signal, US-RS), downlink control Channel demodulation reference signal, downlink data channel demodulation reference signal, downlink phase noise tracking signal, etc.
  • a beam is a communication resource.
  • the beam can be a wide beam, or a narrow beam, or other types of beams.
  • the beam forming technology may be beamforming technology or other technical means.
  • the beamforming technology may specifically be a digital beamforming technology, an analog beamforming technology, and a hybrid digital/analog beamforming technology. Different beams can be considered as different resources.
  • the same information or different information can be sent through different beams.
  • multiple beams with the same or similar communication characteristics may be regarded as one beam.
  • a beam can include one or more antenna ports for transmitting data channels, control channels, and sounding signals.
  • a transmit beam can refer to the distribution of signal strength formed in different directions in space after a signal is emitted by an antenna.
  • the receiving beam may refer to the signal strength distribution of the wireless signal received from the antenna in different directions in space. It is understandable that one or more antenna ports forming a beam can also be regarded as an antenna port set. The embodiment of the beam in the agreement can still be a spatial filter.
  • Quasi-co-location A quasi-co-location relationship is used to indicate that multiple resources have one or more identical or similar communication characteristics. For multiple resources with a quasi-co-location relationship, the same or similar can be used Communication configuration. For example, if two antenna ports have a co-location relationship, then the large-scale characteristics of the channel transmitting one symbol on one port can be inferred from the large-scale characteristics of the channel transmitting one symbol on the other port.
  • Large-scale characteristics can include: delay spread, average delay, Doppler spread, Doppler shift, average gain, receiving parameters, terminal device receiving beam number, transmitting/receiving channel correlation, receiving angle of arrival, receiver antenna Spatial correlation, main angle of arrival (Angel-of-Arrival, AoA), average angle of arrival, expansion of AoA, etc.
  • references described in this specification to "one embodiment” or “some embodiments”, etc. mean that one or more embodiments of the present application include a specific feature, structure, or characteristic described in conjunction with the embodiment. Therefore, the sentences “in one embodiment”, “in some embodiments”, “in some other embodiments”, “in some other embodiments”, etc. appearing in different places in this specification are not necessarily All refer to the same embodiment, but mean “one or more but not all embodiments” unless it is specifically emphasized otherwise.
  • the terms “including”, “including”, “having” and their variations all mean “including but not limited to”, unless otherwise specifically emphasized.
  • At least one refers to one or more, and “multiple” refers to two or more.
  • “And/or” describes the association relationship of the associated objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A alone exists, A and B exist at the same time, and B exists alone, where A, B can be singular or plural.
  • the character “/” generally indicates that the associated objects before and after are in an “or” relationship.
  • the following at least one item (a)” or similar expressions refers to any combination of these items, including any combination of a single item (a) or a plurality of items (a).
  • at least one item (a) of a, b, or c can mean: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple .
  • the terminal equipment in the embodiments of this application may refer to user equipment, access terminals, user units, user stations, mobile stations, mobile stations, remote stations, remote terminals, mobile equipment, user terminals, terminals, wireless communication equipment, user agents, or User device.
  • the terminal device can also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), and wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • Functional handheld devices computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in the future 5G network or future evolution of the public land mobile network (Public Land Mobile Network, PLMN) Terminal equipment, etc., which are not limited in the embodiment of the present application.
  • PLMN Public Land Mobile Network
  • the terminal device may include: a radio resource control (radio resource control, RRC) signaling interaction module, a media access control (media access control, MAC) signaling interaction module, and physical (PHY) signaling Interactive module.
  • RRC radio resource control
  • MAC media access control
  • PHY physical
  • the RRC signaling interaction module may be: a module used by network equipment and terminal equipment to send and receive RRC signaling.
  • the MAC signaling interaction module may be a module used by network equipment and terminal equipment to send and receive MAC control element (CE) signaling.
  • CE MAC control element
  • the PHY signaling and data may be a module used by network equipment and terminal equipment to send and receive uplink control signaling or downlink control signaling, uplink and downlink data or downlink data.
  • the network device in the embodiment of the application may be a device used to communicate with terminal devices, and the network device may be a Global System of Mobile Communication (GSM) system or Code Division Multiple Access (CDMA)
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • BTS Base Transceiver Station
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • WCDMA Wideband Code Division Multiple Access
  • Evolutional Base Station Evolution
  • NodeB eNB or eNodeB
  • it can also be a wireless controller in the cloud radio access network (Cloud Radio Access Network, CRAN) scenario
  • the network device can be a relay station, an access point, a vehicle-mounted device, a wearable device, and the future
  • the access network equipment in the 5G network for example, gNB or the access network equipment in the future evolved PLMN network, etc., are not limited in the embodiment of the present application.
  • the network equipment may also include: an RRC signaling interaction module, a MAC signaling interaction module, and a PHY signaling interaction module.
  • the network device may include a centralized unit (CU) and a distributed unit (DU).
  • the network device may also include an active antenna unit (AAU).
  • CU implements some functions of network equipment, and DU implements some functions of network equipment.
  • CU is responsible for processing non-real-time protocols and services, implementing radio resource control (RRC), and packet data convergence protocol, PDCP) layer function.
  • RRC radio resource control
  • PDCP packet data convergence protocol
  • the DU is responsible for processing physical layer protocols and real-time services, and implements the functions of the radio link control (RLC) layer, media access control (MAC) layer, and physical (PHY) layer.
  • RLC radio link control
  • MAC media access control
  • PHY physical
  • the network device may be a device that includes one or more of a CU node, a DU node, and an AAU node.
  • the CU can be divided into network equipment in an access network (radio access network, RAN), and the CU can also be divided into network equipment in a core network (core network, CN), which is not limited in this application.
  • the embodiments of this application may be applied to the downlink beam training process, and the downlink beam training process may generally include the following processes:
  • Step 1 The network device configures the reference signal resource set and instructs it to the terminal device.
  • Step 2 In each resource period, the network device sends a reference signal in each reference signal resource in the reference signal resource set.
  • the network device may use beams in different directions in different reference signal resources in the reference signal resource set to send reference signals.
  • it is not necessarily required to use beams in different directions in each reference signal resource to transmit reference signals.
  • Some reference signal resources may use beams in the same direction to transmit reference signals, which will not be repeated here.
  • Step 3 In each resource period, the terminal device measures part of the reference signal resources in the reference signal resource set, obtains the measurement result corresponding to the measured part of the reference signal resource, and sends the measurement result to the network device.
  • the measurement result reported by the terminal device in each resource period may include the optimal signal measurement information determined by the terminal device in the resource period, and information such as reference signal resources corresponding to the optimal signal measurement information. .
  • the specific content of the signal measurement information can be referred to the following description, which will not be repeated here.
  • step 2 and step 3 are performed one or more times, the network device or terminal device can select the optimal beam according to one or more measurement results measured by the terminal device in multiple cycles, and the subsequent network device and terminal The device can use the beam selected in the beam training process to communicate.
  • FIG. 2 it is a schematic flowchart of a measurement method provided by an embodiment of this application.
  • the interaction between the terminal device and the network device is taken as an example for description.
  • the method provided in the embodiment of the present application can also be applied to other execution subjects, such as a terminal device chip or module, and a network device.
  • a terminal device chip or module for the chip or module in, when the execution subject is a chip or module, you can refer to the following description, which will not be repeated here.
  • the method includes:
  • Step 201 The terminal device sends capability indication information to the network device.
  • the capability indication information is used to indicate the capability of the terminal device.
  • the capability indication information may be used to indicate one or more of the following:
  • the terminal device can measure the reference signal resources configured by the network device when the number of reference signal resources configured by the network device is greater than the maximum number of reference signal resources supported by the terminal device;
  • the maximum number of reference signal resources supported by the terminal device may refer to the maximum number of reference signal resources that can be measured in each resource period reported by the terminal device, or the channel state information (CSI) can be calculated The maximum number of reference signal resources, or the maximum number of measurement results of reference signal resources that can be stored, etc.
  • CSI channel state information
  • the terminal device when the number of reference signal resources configured by the network device is greater than the maximum number of reference signal resources supported by the terminal device, because the terminal device is not sure which reference signal resources need to be measured, or the terminal The capability of the device does not match the reference signal resource configured by the network device, and the terminal device will think that the network device is configured incorrectly, so the terminal device will not measure the reference signal resource. In this case, the terminal device may also report to the network device that the configuration is incorrect.
  • the number of reference signal resources configured by the network device is greater than the maximum number of reference signal resources supported by the terminal device, the number of reference signal resources measured by the terminal device in each resource period is less than the reference signal resources configured by the network device. The number of signal resources.
  • the terminal device can calculate the maximum number of reference signal resources for channel state information in each resource period;
  • the maximum number of supported reference signal resources in the terminal device capability report may include a bandwidth part (BWP)/carrier component (CC)/CC group/bandwidth/band group
  • BWP bandwidth part
  • CC carrier component
  • the maximum number within can also include the maximum number across all BWP/CC/CC groups/band/band groups.
  • the maximum number of supported reference signal resources in the terminal device capability report may include the configured number, and may also include the activated number.
  • the maximum number of supported reference signal resources in the terminal equipment capability report may include the number of reference signal resources used for beam management, and may also include references used for L1-RSRP, L1-RSRQ, and L1-SINR measurements. The number of signal resources.
  • the maximum number of supported reference signal resources in the terminal device capability report may include the number of reference signal resources in each resource period, and may also include the number of reference signal resources in each measurement period or each measurement window. , The number of reference signal resources in each reporting period, the number of reference signal resources in each time slot/subframe/frame, the number of reference signal resources in each unit time, and can also include unlimited time reference signals The number of resources.
  • the maximum number of supported reference signal resources in the terminal device capability report may include the number of reference signal resources for a single port, and may also include the number of reference signal resources for two ports.
  • the maximum number of supported reference signal resources in the terminal device capability report may also be any combination of one or more of the above.
  • the maximum number of reference signal resources supported in the terminal equipment capability report may include the number of single-port and two-port reference signal resources, the number of single-port reference signal resources for one CC, and the number of two-port reference signal resources for all CCs. and many more.
  • the capability indication information may also indicate other capabilities of the terminal device, which will not be repeated here.
  • the network device obtains the capability indication information of the terminal device, and may perform reference signal resource configuration according to the capability indication information.
  • the maximum number of reference signal resources that a terminal device can measure in each resource period is M, and the network device determines that the terminal device needs to measure Y resource periods.
  • the number of reference signal resources N configured by the network device may be greater than Or equal to M ⁇ N.
  • Step 202 The network device sends the reported volume configuration information and the resource configuration information associated with the reported volume configuration information to the terminal device.
  • the network device may send the reported volume configuration information and the resource configuration information associated with the reported volume configuration information through high-level signaling (for example, RRC signaling), or may also be sent in other ways. Not limited.
  • high-level signaling for example, RRC signaling
  • the resource configuration information may be used to indicate one or more of the following:
  • N reference signal resources which can specifically indicate the time domain information and frequency domain information corresponding to each reference signal resource in the N reference signal resources, the transmission power and transmission port of the reference signal in each reference signal resource, and N references
  • N is an integer greater than 1; of course, N can also have other value ranges, for example, N can also be an integer greater than 0, which will not be repeated here.
  • a network device when resource configuration information is sent through signaling, for example, a network device sends resource configuration information through RRC signaling. From a signaling perspective, the network device configures at least one reference signal resource set in the signaling.
  • the at least one reference signal resource set includes the N reference signal resources.
  • the number of resource periods Y for measuring the N reference signal resources is less than an integer of N/M; M is the number of reference signal resources measured by the terminal device in each resource period;
  • Part of the measurement indication information is used to instruct the terminal device to measure part of the reference signal resources among the N reference signal resources;
  • the offset value corresponding to at least one resource period, for the first resource period in at least one resource period, the offset value corresponding to the first resource period refers to the measurement by the terminal device in the first resource period and the second resource period
  • the difference between the resource numbers of two reference signal resources in the same order, the first resource period is the resource period for the terminal device to measure the reference signal resource currently; the second resource period is before the first resource period, And the resource period adjacent to the first resource period or the second resource period is a preset resource period.
  • the offset value corresponding to each resource period may be the same or different, and the embodiment of the present application does not place an order for this.
  • the terminal device measures the M reference signal resources in sequence in each resource period, and the i-th reference signal resource measured by the terminal device in the first resource period is the same as that measured by the terminal device in the second resource period.
  • the measurement sequence of the i-th reference signal resource is the same. For example, if the value of the offset value ⁇ corresponding to the first resource period is 5, when the number of the second reference signal resource measured by the terminal device in the second resource period is 10, the terminal device is in the first resource period The number of the measured second reference signal resource is 5.
  • the network device may no longer indicate the offset value corresponding to the at least one resource period through the resource configuration information .
  • the network device may re-determine the first resource according to the offset value corresponding to the first resource period reported by the terminal device The offset value corresponding to the period is indicated by the resource configuration information.
  • the network device may determine the offset value corresponding to one resource period at a time for the terminal device to measure the reference signal resource in the current resource period. It is also possible to determine the offset values corresponding to multiple resource periods at one time, and the specific number is not limited.
  • the reporting period of the terminal device each time the terminal device measures the reference signal resource, the measurement result can be obtained.
  • the network device can instruct the terminal device to report the reporting period of the measurement result.
  • the reporting period of the terminal device can be the same as the resource period or different This is not limited in the embodiments of the present application.
  • the terminal device when the report period of the terminal device is the same as the resource period, the terminal device reports the measurement result of one measurement in each resource period.
  • the report period and resource period of the terminal device are not the same, there may be many situations.
  • the report period of the terminal device can be equal to Y resource periods.
  • the terminal device can determine the Y optimal signals according to the Y resource periods.
  • the measurement information determines the optimal beam. For details on how to determine the optimal beam, please refer to the following description.
  • resource configuration information may also indicate other configuration information of the reference signal resource, which will not be illustrated one by one here.
  • the terminal device After receiving the resource configuration information, the terminal device can determine the number of reference signal resources configured by the network device, the resource period, and other information according to the resource configuration information, so that the reference signal resources can be accurately measured.
  • the reported amount configuration information may be used to instruct the terminal device to report one or more of the following:
  • the reference signal resource number corresponding to the optimal signal measurement information determined according to the M reference signal resources measured in each resource period, and the optimal signal measurement information.
  • the signal measurement information includes but is not limited to any of the following: layer 1 reference signal received power (layer 1 reference signal received power, L1-RSRP), layer 1 received reference signal quality (layer 1 reference signal received power, L1-RSRP), but not limited to any of the following items.
  • layer 1 reference signal received power layer 1 reference signal received power, L1-RSRP
  • layer 1 received reference signal quality layer 1 reference signal received power, L1-RSRP
  • 1 Reference signal received quality, L1-RSRQ received signal strength indication
  • RSSI signal noise ratio
  • SNR signal noise ratio
  • SINR signal to interference plus noise ratio
  • the offset value corresponding to at least one resource period it should be noted that when the offset value corresponding to the at least one resource period is an agreed value or a value determined by a network device, there is no need to instruct the terminal device to report The offset value corresponding to the at least one resource period.
  • the number of cycles is an agreed value or a value determined for a network device, there is no need to instruct the terminal device to report the number of cycles.
  • reported amount configuration information may also indicate other content that the terminal device needs to report, which will not be described one by one here.
  • a beam training process can be performed between the network device and the terminal device. For details, refer to step 203 to step 205.
  • Step 203 In the first resource period, the network device sends a reference signal through each of the N reference signal resources.
  • the network device may send N reference signals through N reference signal resources.
  • the first resource period is used as an example for illustration.
  • the content executed by the network device may be the same as the first resource period, and will not be repeated.
  • the network device can use beams in different directions in each reference signal resource to send reference signals, or in some reference signal resources, beams in the same direction can be used to send reference signals, and beams in different directions in some reference signal resources can be used to send reference signals.
  • this embodiment of the present application is not limited to this.
  • the embodiment of the present application is not limited.
  • the reference signal may be a CSI-RS or the like.
  • the embodiment of the present application is not limited, and the description in the prior art can be referred to.
  • the N reference signal resources used by the network device to send the reference signal may have the same frequency domain information, that is, in the same carrier component (CC) or the same bandwidth part (bandwidth part, BWP), etc.
  • CC carrier component
  • BWP bandwidth part
  • the network device transmits N reference signals through N reference signal resources in each resource period.
  • FIG. 3 only takes a total of three resource periods from resource period 1 to resource period 3 as an example for illustration, and other situations are not described again.
  • two reference signal resources with the same relative position have the same resource number.
  • the resource numbers of the N reference signal resources in resource period 1 are respectively 0 to N-1; the resource numbers of the N reference signal resources in resource period 2 are also 0 to N-1, respectively. That is, the resource number of the first reference signal resource in resource period 1 is 0, and the resource number of the first reference signal resource in resource period 2 is also 0, and so on.
  • Step 204 When the maximum number of reference signal resources supported by the terminal device is M, measure M reference signal resources among the N reference signal resources in the first resource period to obtain M signal measurement information.
  • N is an integer greater than 1
  • M is an integer less than N.
  • Each of the N reference signal resources includes a reference signal sent by a network device.
  • the terminal device may determine N reference signal resources according to the instructions of the network device, such as the resource configuration information in step 202.
  • the maximum number of reference signal resources supported by the terminal device is M, which may mean that the maximum number of reference signal resources that the terminal device can measure in each resource period is M, or the reference signal that can calculate the channel state information
  • M the maximum number of signal resources that the terminal device can measure in each resource period
  • M the reference signal that can calculate the channel state information
  • M the maximum number of signal resources
  • M the maximum number of measurement results of reference signal resources that can be stored is M, etc., which is not limited in the embodiment of the present application.
  • the measurement of the reference signal resource by the terminal device may refer to the measurement of the reference signal in the reference signal resource, and how to perform the measurement is not limited in the embodiment of the present application. For details, please refer to the description in the prior art. , I won’t repeat it here.
  • the terminal device can determine the M signals that need to be measured in various ways Reference signal resources.
  • the terminal device measures M reference signal resources whose resource numbers are K+ ⁇ to K+(M-1)+ ⁇ among the N reference signal resources; where, K is the resource number of the starting reference signal resource among the M reference signal resources measured by the terminal device in the second resource period, ⁇ is the offset value corresponding to the first resource period, and ⁇ is an integer.
  • the second resource period is a resource period before and adjacent to the first resource period, or the second resource period is a preset resource period, or the second resource period is the first resource period Any previous resource period.
  • ⁇ is equal to 5.
  • the resource numbers of the M reference signal resources measured by the terminal device are respectively 0 to M-1; then in the first resource period, the M reference signal resources measured by the terminal device The resource numbers of the signal resources are 5 to M-1+5, respectively.
  • the M reference signal resources that need to be measured can be determined according to the offset value corresponding to the resource period, which is not repeated here.
  • ⁇ can be a value configured by a network device or a value determined by a terminal device.
  • ⁇ can also be a value agreed between the network device and the terminal device.
  • the terminal device can randomly determine a value as ⁇ . By randomly determining a value as ⁇ , it can be guaranteed that the terminal device can measure the reference signal resource with the best signal quality among the N reference signal resources with the greatest probability.
  • the terminal device may also determine the value of ⁇ in other ways.
  • the terminal device may use historical information to determine ⁇ , for example, the reference corresponding to the downlink physical channel or signal receiving beam (referred to as the serving beam) currently used or last used by the terminal device.
  • the signal resource number, or the reference signal resource number corresponding to the uplink physical channel or signal transmission beam (referred to as the service beam for short) currently used or last used by the terminal device is used as a reference for the initial measurement of ⁇ .
  • the serving beam of the terminal device is the beam corresponding to the reference signal with the reference signal resource number 10
  • the terminal device measurement reference signal resource number is 10 to 9+M. Reference signal resources.
  • the terminal device may also use channel information to determine ⁇ .
  • the terminal device uses the channel estimation result to determine the strongest first Y paths of communication with the network device as a reference for ⁇ .
  • the reference signal resource number corresponding to the strongest path is taken as the ⁇ of the first resource period
  • the difference between the resource number corresponding to the strongest path and the reference signal resource number corresponding to the second strong path is taken as the second resource period.
  • ⁇ The difference between the number of the reference signal resource corresponding to the strongest path of the j-th resource period and the number of the reference signal resource corresponding to the strongest path of the previous resource period is taken as ⁇ of the j-th resource period.
  • the terminal device may determine ⁇ by using the positioning information. For example, the terminal device uses the deviation between the relative position of the network device and the relative position of the previous resource period as a reference for ⁇ .
  • the terminal device may use sensor information to determine ⁇ .
  • the terminal uses a gyroscope to determine the deviation between its own posture and its own posture in the previous resource period as a reference for ⁇ .
  • the terminal device may use the correlation between beams to determine ⁇ , for example, the correlation between the beam corresponding to the reference signal resource number of the j-th resource period and the beam corresponding to the reference signal resource number of the previous resource period Largest or smallest.
  • the terminal device may determine the offset value corresponding to one resource period at a time, which is used to measure the reference signal resource in the current resource period, or it may determine more than one at a time.
  • the specific number of offset values corresponding to each resource period is not limited.
  • the terminal device may measure reference signal resources with the same resource number in different measurement periods. For example, when M is equal to 8 and ⁇ is equal to 6, in the first resource period, the terminal equipment measurement resource numbers are 8 reference signal resources from 0 to 7, respectively; in the second resource period, the terminal equipment measurement resource numbers are respectively 8 reference signal resources from 6 to 13. In these two resource periods, the terminal equipment measures the reference signal resources with resource numbers 6 and 7, respectively.
  • the network device can instruct the terminal device to perform measurement in Y resource periods, thereby limiting the maximum time for the terminal device to measure the reference signal resource, reducing the time spent in beam training, and improving the efficiency of beam training. effectiveness.
  • Y can be an integer less than N/M. For example, if N is equal to 64, M is equal to 8. If the number of the reference signal resource measured by the terminal device in each resource period is different, it needs to be measured at least 8 times to measure all 64 reference signal resources once, which causes this measurement method to take a long time. Taking into account the mobility of the terminal equipment, the time-consuming is too long and it is easy to cause problems such as channel aging and out-of-date measurement results. That is to say, even if the full set of measurements is taken, the selected beam is not necessarily the best. Excellent.
  • the terminal device sequentially measures N reference signal resources in a fixed order.
  • the start reference signal resource of the M reference signal resources measured by the terminal device in each resource period is adjacent to the end reference signal resource of the M reference signal resources measured in the previous resource period.
  • the resource numbers of the M reference signal resources measured by the terminal device are respectively 0 to M-1; in the second resource period, the resource numbers of the M reference signal resources measured by the terminal device are The resource numbers are respectively M to 2M-1; in the third resource period, the resource numbers of the M reference signal resources measured by the terminal device are respectively 2M to 3M-1.
  • Other resource cycles can be deduced by analogy, so I won’t repeat them.
  • the second possible implementation can be regarded as the case where ⁇ is equal to M in the first possible implementation.
  • the terminal device can randomly select M reference signal resources from the N reference signal resources for measurement.
  • the M reference signal resources randomly selected by the terminal device are different, that is, in any two resource periods, such as the first resource period and the second resource period, the terminal device is in the first resource period
  • the resource numbers of the M reference signal resources selected in are different from the resource numbers of the M reference signal resources selected by the terminal device in the second resource period.
  • M is equal to 4.
  • the terminal device selects reference signal resources with resource numbers 1 and 3 for measurement in the first resource period; the terminal device selects reference signal resources with resource numbers 6 and 8 for measurement in the second resource period; the terminal device performs measurement on the third resource
  • the reference signal resources with resource numbers 5 and 7 are selected in the cycle for measurement and so on.
  • the M reference signal resources randomly selected by the terminal device may be partially the same, and details are not described herein again.
  • the M reference signal resources measured by the terminal device may be continuous reference signal resources or discontinuous reference signal resources, which is not limited in the embodiment of the present application.
  • step 204 may be performed multiple times.
  • the network device instructs the terminal device to perform measurement in Y resource periods through resource configuration information, and the terminal device needs to perform step 204 Y times.
  • the receiving beam used by the terminal device when measuring the reference signal resource remains unchanged.
  • the network device may instruct the terminal device to keep the receiving beam unchanged, or it may be agreed that the terminal device keeps the receiving beam unchanged, which is not limited in the embodiment of the present application.
  • Step 205 The terminal device sends the first information to the network device.
  • the first information is used to indicate M reference signal resources measured by the terminal device.
  • the terminal device may also send other information to the network device, for example, sending the second information and the third information to the network device.
  • the second information is used to indicate the reference signal resource corresponding to the optimal signal measurement information in the M signal measurement information;
  • the third information is used to indicate the M signal measurement information measured by the terminal device in the resource period Optimal signal measurement information.
  • the first information, the second information, and the third information may be sent to the network device through the same message, or may be sent to the network device through different messages, which is not limited in the embodiment of the present application.
  • the optimal signal measurement information among the M signal measurement information may refer to the signal measurement information with the best signal quality indicated by the M signal measurement information.
  • the signal measurement information is L1-RSRP.
  • the terminal device can use the largest L1-RSRP as the optimal L1-RSRP among the M L1-RSRPs measured. That is, as the optimal signal measurement information.
  • the optimal signal measurement information of the M signal measurement information may refer to any signal measurement information of the M signal measurement information that is greater than a preset threshold.
  • the signal measurement information is L1-RSRP
  • the terminal device can use any L1-RSRP that is greater than the preset threshold among the measured M L1-RSRPs as the optimal L1-RSRP, that is, as the optimal signal Measurement information.
  • the terminal device may send the first information and the second information obtained by measurement to the network device in each resource period.
  • the terminal device may report multiple pieces of first information and multiple pieces of second information obtained by multiple resource period measurements to the network device each time.
  • the report period of the terminal device is Y resource periods.
  • the terminal device After the terminal device measures the reference signal resources in the Y resource periods, it can obtain Y pieces of first information, Y pieces of second information, and Y pieces of third information. , The terminal device can simultaneously report Y pieces of first information, Y pieces of second information, and Y pieces of third information to the network device.
  • the terminal device may indicate the M reference signal resources measured by the terminal device in one resource period in a variety of ways.
  • the terminal device may send the measured resource numbers of the M reference signal resources to the network device.
  • the first information may be M resource numbers, which may directly indicate M reference signal resources.
  • the first information includes N bits, and each bit uniquely corresponds to N reference signal resources.
  • the value of the bit corresponding to the reference signal resource is 1; when the terminal device does not measure the reference signal resource, the The value of the bit corresponding to the reference signal resource is 0.
  • the reverse is also possible.
  • the value of the bit corresponding to the reference signal resource is 0; when the terminal device does not measure the reference signal resource, the value of the bit corresponding to the reference signal resource is 0. The value is 1.
  • the terminal device may send the difference ⁇ between the resource numbers of two reference signal resources with the same measurement sequence in two adjacent resource periods to the network device, and the network device may determine according to ⁇ M reference signal resources measured by the terminal equipment.
  • the first information may be ⁇ , thereby indirectly indicating M reference signal resources.
  • the first information includes Bits or Bits, the first information includes Bits or The value corresponding to each bit is the ⁇ ; To round down, Is rounded up.
  • the first information includes 3 bits.
  • the first information can be as shown in Table 1.
  • Table 1 is only an example, and other situations can be referred to the description here, which will not be repeated here.
  • the first information includes L bits, and the product of the value corresponding to the L bits included in the first information and the preset weight value is the ⁇ ; the preset weight value is an integer greater than 0 , And the preset weight value has a corresponding relationship with N and L.
  • the preset weight value and N and L may satisfy the following correspondence: X is the preset weight value.
  • the preset weight value when L is equal to 3, when N is a different value, the preset weight value may be as shown in Table 2.
  • the first indication information may be P offset values, and P is an integer greater than 2 and less than or equal to M.
  • P is an integer greater than 2 and less than or equal to M.
  • Each of the P offset values indicates the difference between the resource numbers of the two reference signal resources with the same measurement sequence in the two adjacent resource periods.
  • the value of M is 4, and P is equal to M.
  • the terminal device selects reference signal resources with resource numbers 1, 3, 4, and 7 for measurement in the first resource period; the terminal device selects reference signal resources with resource numbers 6, 8, 12, and 14 for measurement in the second resource period measuring.
  • Other situations can be deduced by analogy, so I won't repeat them here.
  • Step 206 The network device receives the first information from the terminal device, and determines the M reference signal resources according to the first information.
  • the network device may also receive information such as the second information and the third information from the terminal device.
  • the terminal device when the reporting period of the terminal device is the same as the resource period, the terminal device sends the first information, second information, and third information obtained by measurement to the network device in each resource period.
  • the terminal device can send a first message, a second message, and a third message to the network device in each resource period of the Y resource periods, sending a total of Y Pieces of first information, Y pieces of second information, and Y pieces of third information.
  • the terminal device when the reporting period of the terminal device is different from the resource period, the terminal device can report multiple first information, multiple second information, and multiple resource period measurements to the network device each time. A third message.
  • the report period of the terminal device is Y resource periods.
  • the terminal device After the terminal device measures the reference signal resources in the Y resource periods, it can obtain Y pieces of first information, Y pieces of second information, and Y pieces of third information. , The terminal device can simultaneously report the Y first messages, Y second messages, and Y third messages to the network device.
  • the network device After the network device obtains the Y pieces of first information, Y pieces of second information, and Y pieces of third information measured by the terminal device in Y resource periods, it can determine that the terminal device is in each of the Y resource periods according to the Y pieces of first information. Which reference signal resources are measured.
  • the network device may determine the Y reference signal resources with optimal signal measurement information among the N reference signal resources according to the Y second information.
  • the network device selects one signal measurement information from the Y signal measurement information indicated by the Y third information as the global optimal signal measurement information, and sends the reference signal in the reference signal resource corresponding to the global optimal signal measurement information
  • the beam direction used is the optimal beam direction.
  • the network device uses the signal measurement information with the best signal quality among the Y signal measurement information indicated by the Y third information as the globally optimal signal measurement information.
  • the signal measurement information is L1-RSRP, and the larger the L1-RSRP, the better the signal quality.
  • the Y pieces of third information obtained by the network device indicate Y pieces of L1-RSRP.
  • the network device can use the largest L1-RSRP among the Y L1-RSRPs as the global optimal L1-RSRP.
  • the network device may use any signal measurement information greater than a preset threshold among the Y signal measurement information indicated by the Y third information as the globally optimal signal measurement information.
  • the signal measurement information is L1-RSRP
  • the network device can use any L1-RSRP greater than a preset threshold among Y L1-RSRPs as the global optimal L1-RSRP.
  • the network device can use the optimal beam direction to send downlink data to the terminal device.
  • the network equipment when the number of reference signal resources configured by the network equipment is greater than the maximum number of reference signal resources supported by the terminal equipment, the network equipment does not need to reconfigure the reference signal resources for the terminal equipment through signaling, and the terminal equipment It can only measure part of the reference signal resources configured by the network equipment, thereby reducing the signaling overhead and the measurement burden of the terminal equipment, so that the terminal equipment can obtain signal measurements after multiple resource periods of measurement under the condition of limited capabilities. Reference signal resource with the best information.
  • the reference signal resources configured by the network device are distributed on a two-dimensional coordinate plane, the embodiments of this application are still applicable.
  • the ⁇ indicated by the first information can be replaced by a two-dimensional coordinate value, and other content can be used. Applicable, so I won’t repeat them here.
  • the reference signal resources configured by the network device are distributed on a two-dimensional coordinate plane, which can be referred to as shown in FIG. In FIG. 4, 32 reference signal resources of the network device are taken as an example for description.
  • the first Two resource periods measure M reference signal resources centered on 13, for example, 5 reference signal resources numbered ⁇ 5,12,13,14,21 ⁇ .
  • the methods and operations implemented by the terminal device can also be implemented by components (such as chips or circuits) that can be used in the terminal device
  • the methods and operations implemented by the network device can also be implemented by It can be implemented by components (such as chips or circuits) of network devices.
  • the terminal device and the network device may include a hardware structure and/or software module, and the above functions are implemented in the form of a hardware structure, a software module, or a hardware structure plus a software module. Whether a certain function of the above-mentioned functions is executed by a hardware structure, a software module, or a hardware structure plus a software module depends on the specific application and design constraint conditions of the technical solution.
  • each functional module in each embodiment of the present application may be integrated in a processor, or may exist alone physically, or two or more modules may be integrated in one module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or software function modules.
  • an embodiment of the present application further provides an apparatus 500 for implementing the functions of the terminal equipment or the network equipment in the above-mentioned method.
  • the device may be a software module or a chip system.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the apparatus 500 may include: a processing unit 501 and a communication unit 502.
  • the communication unit may also be referred to as a transceiving unit, and may include a sending unit and/or a receiving unit, which are respectively configured to perform the sending and receiving steps of the terminal device or the network device in the above method embodiment.
  • the apparatus 500 can implement steps or processes corresponding to the terminal equipment or network equipment in the above method embodiments, which will be described separately below.
  • the processing unit 501 is configured to, when the maximum number of supported reference signal resources is M, measure M reference signal resources among the N reference signal resources in the first resource period to obtain M signal measurement information, where N is An integer greater than 1, M is an integer less than N;
  • the communication unit 502 is configured to send first information to the network device; the first information is used to indicate measured M reference signal resources.
  • the communication unit 502 is further configured to: send second information to the network device; the second information is used to indicate that the optimal signal measurement information corresponds to the M signal measurement information Reference signal resources.
  • the communication unit 502 is further configured to: send third information to the network device.
  • the third information is used to indicate the optimal signal measurement information among the M signal measurement information.
  • the first information is the offset value ⁇ corresponding to the first resource period
  • ⁇ is the two measurement sequences of the terminal device in the first resource period and the second resource period in the same measurement order.
  • the difference between the resource numbers of the reference signal resources, the first resource period is the resource period corresponding to the first information, and the second resource period is before the first resource period and differs from the first resource period.
  • a resource period adjacent to the resource period, or the second resource period is a preset resource period.
  • the first information includes Bits or Bits, the first information includes Bits or The value corresponding to each bit is the ⁇ ; To round down, Is rounded up; or, the first information includes L bits, and the product of the value corresponding to the L bits included in the first information and the preset weight value is the ⁇ ; the preset weight The value is an integer greater than 0, and the preset weight value has a corresponding relationship with N and L.
  • processing unit 501 is specifically configured to:
  • K is the resource number of the starting reference signal resource among the M reference signal resources measured by the terminal device in the second resource period
  • ⁇ is an integer
  • the second resource period is before the first resource period
  • a resource period adjacent to the first resource period or the second resource period is a preset resource period.
  • ⁇ is a value configured by the network device or a value determined by the terminal device.
  • ⁇ is equal to M.
  • processing unit 501 is specifically configured to:
  • M reference signal resources are randomly selected from the N reference signal resources for measurement.
  • the device further includes:
  • the terminal device can measure the reference signal resources configured by the network device when the number of reference signal resources configured by the network device is greater than the maximum number of reference signal resources supported by the terminal device;
  • the maximum number of reference signal resources for channel state information CSI can be calculated
  • the communication unit 502 is further configured to: receive reported volume configuration information from the network device and resource configuration information associated with the reported volume configuration information;
  • the resource configuration information is used to indicate one or more of the following:
  • the N reference signal resources are The N reference signal resources;
  • the number of resource periods Y for measuring the N reference signal resources where Y is an integer less than N/M;
  • the offset value ⁇ corresponding to the first resource period; ⁇ is the difference between the resource numbers of the two reference signal resources with the same measurement sequence in the first resource period and the second resource period, and
  • the first resource period is the resource period corresponding to the first information, the second resource period is the resource period before and adjacent to the first resource period, or the second resource period
  • the cycle is the preset resource cycle;
  • Part of the measurement indication information is used to instruct the terminal device to measure part of the reference signal resources of the N reference signal resources when it is determined that the maximum number of reference signal resources that can be measured is less than the number N of reference signal resources configured by the network device ;
  • the reported amount configuration information is used to instruct the terminal device to report one or more of the following:
  • the number of the reference signal resource to which the optimal signal measurement information is determined according to the M reference signal resources measured in each resource period, and the optimal signal measurement information;
  • the processing unit 501 is further configured to: in Y resource periods, the receiving beam used when measuring the reference signal resource remains unchanged.
  • the communication unit 502 is configured to send a reference signal through each of the N reference signal resources in the first resource period; N is an integer greater than 0; receive first information from the terminal device; the first Information is used to indicate the M reference signal resources measured by the terminal device in the N reference signal resources, where M is an integer less than N;
  • the processing unit 501 is configured to determine the M reference signal resources according to the first information.
  • the first information is the offset value ⁇ corresponding to the first resource period, where ⁇ is the measurement sequence of the terminal device in the first resource period and the second resource period in the same order.
  • the difference between the resource numbers of two reference signal resources, the first resource period is the resource period corresponding to the first information, and the second resource period is before the first resource period and differs from the A resource period adjacent to the first resource period, or the second resource period is a preset resource period.
  • the first information includes Bits or Bits, the first information includes Bits or The value corresponding to each bit is the ⁇ ; To round down, Is rounded up; or, the first information includes L bits, and the product of the value corresponding to the L bits included in the first information and the preset weight value is the ⁇ ; the preset weight The value is an integer greater than 0, and the preset weight value has a corresponding relationship with N.
  • the communication unit 502 is further configured to: send resource configuration information to the terminal device;
  • the resource configuration information is used to indicate one or more of the following:
  • the N reference signal resources are The N reference signal resources;
  • the number of resource periods Y for measuring the N reference signal resources where Y is an integer less than N/M;
  • the offset value ⁇ corresponding to the first resource period; ⁇ is the difference between the resource numbers of the two reference signal resources with the same measurement sequence in the first resource period and the second resource period, and
  • the first resource period is a resource period corresponding to the first information, and the second resource period is a resource period before and adjacent to the first resource period;
  • Part of the measurement indication information is used to instruct the terminal device to measure part of the reference signal resources of the N reference signal resources when it is determined that the maximum number of reference signal resources that can be measured is less than the number N of reference signal resources configured by the network device .
  • FIG. 6 shows a device 600 provided by an embodiment of the application.
  • the device shown in FIG. 6 may be a hardware circuit implementation of the device shown in FIG. 6.
  • the communication device can be applied to the flowchart shown in FIG. 2 to perform the functions of the terminal device or the network device in the foregoing method embodiment.
  • FIG. 6 only shows the main components of the communication device.
  • the apparatus 600 shown in FIG. 6 includes at least one processor 620, configured to implement any method in FIG. 2 provided in the embodiment of the present application.
  • the device 600 may further include at least one memory 630 for storing program instructions and/or data.
  • the memory 630 and the processor 620 are coupled.
  • the coupling in the embodiments of the present application is an indirect coupling or communication connection between devices, units or modules, and may be in electrical, mechanical or other forms, and is used for information exchange between devices, units or modules.
  • the processor 620 may cooperate with the memory 630 to operate.
  • the processor 620 may execute program instructions stored in the memory 630. At least one of the at least one memory may be included in the processor.
  • each step of the above method can be completed by an integrated logic circuit of hardware in the processor or instructions in the form of software.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware processor, or executed and completed by a combination of hardware and software modules in the processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the processor in the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processing circuit (digital signal processor, DSP), a dedicated integrated circuit (application specific integrated circuit, ASIC), a field programmable gate array (field programmable gate array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP digital signal processing circuit
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • Programming logic devices discrete gates or transistor logic devices, discrete hardware components.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), and electrically available Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (RAM), which is used as an external cache.
  • RAM random access memory
  • static random access memory static random access memory
  • dynamic RAM dynamic RAM
  • DRAM dynamic random access memory
  • synchronous dynamic random access memory synchronous DRAM, SDRAM
  • double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory serial DRAM, SLDRAM
  • direct rambus RAM direct rambus RAM
  • the apparatus 600 may further include a communication interface 610 for communicating with other devices through a transmission medium, so that the apparatus used in the apparatus 600 can communicate with other devices.
  • the communication interface may be a transceiver, circuit, bus, module, or other type of communication interface.
  • the transceiver when the communication interface is a transceiver, the transceiver may include an independent receiver and an independent transmitter; it may also be a transceiver with integrated transceiver functions, or an interface circuit.
  • the device 600 may also include a communication line 640.
  • the communication interface 610, the processor 620, and the memory 630 may be connected to each other through a communication line 640;
  • the communication line 640 may be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (extended industry standard architecture). , Referred to as EISA) bus and so on.
  • the communication line 640 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is used in FIG. 6, but it does not mean that there is only one bus or one type of bus.
  • the processor 620 is configured to, when the maximum number of supported reference signal resources is M, measure M reference signal resources among the N reference signal resources in the first resource period to obtain M signal measurement information, where N is An integer greater than 1, M is an integer less than N;
  • the communication interface 610 is used to send first information to the network device; the first information is used to indicate the measured M reference signal resources.
  • the communication interface 610 is further used to: send second information to the network device; the second information is used to indicate that the optimal signal measurement information corresponds to the M signal measurement information Reference signal resources.
  • the communication interface 610 is further used to send third information to the network device.
  • the third information is used to indicate the optimal signal measurement information among the M signal measurement information.
  • the first information is the offset value ⁇ corresponding to the first resource period
  • ⁇ is the two measurement sequences of the terminal device in the first resource period and the second resource period in the same measurement order.
  • the difference between the resource numbers of the reference signal resources, the first resource period is the resource period corresponding to the first information, and the second resource period is before the first resource period and differs from the first resource period.
  • a resource period adjacent to the resource period, or the second resource period is a preset resource period.
  • the first information includes Bits or Bits, the first information includes Bits or The value corresponding to each bit is the ⁇ ; To round down, Is rounded up; or, the first information includes L bits, and the product of the value corresponding to the L bits included in the first information and the preset weight value is the ⁇ ; the preset weight The value is an integer greater than 0, and the preset weight value has a corresponding relationship with N and L.
  • the processor 620 is specifically configured to:
  • K is the resource number of the starting reference signal resource among the M reference signal resources measured by the terminal device in the second resource period
  • ⁇ is an integer
  • the second resource period is before the first resource period
  • a resource period adjacent to the first resource period or the second resource period is a preset resource period.
  • ⁇ is a value configured by the network device or a value determined by the terminal device.
  • ⁇ is equal to M.
  • the processor 620 is specifically configured to:
  • M reference signal resources are randomly selected from the N reference signal resources for measurement.
  • the communication interface 610 is also used for:
  • the maximum number of reference signal resources for channel state information CSI can be calculated
  • the communication interface 610 is also used for:
  • the resource configuration information is used to indicate one or more of the following:
  • the N reference signal resources are The N reference signal resources;
  • the number of resource periods Y for measuring the N reference signal resources where Y is an integer less than N/M;
  • the offset value ⁇ corresponding to the first resource period; ⁇ is the difference between the resource numbers of the two reference signal resources with the same measurement sequence in the first resource period and the second resource period, and
  • the first resource period is the resource period corresponding to the first information, the second resource period is the resource period before and adjacent to the first resource period, or the second resource period
  • the cycle is the preset resource cycle;
  • Part of the measurement indication information is used to instruct the terminal device to measure part of the reference signal resources of the N reference signal resources when it is determined that the maximum number of reference signal resources that can be measured is less than the number N of reference signal resources configured by the network device ;
  • the reported amount configuration information is used to instruct the terminal device to report one or more of the following:
  • the number of the reference signal resource to which the optimal signal measurement information is determined according to the M reference signal resources measured in each resource period, and the optimal signal measurement information;
  • the processing unit 501 is further configured to: in Y resource periods, the receiving beam used when measuring the reference signal resource remains unchanged.
  • the communication interface 610 is configured to send a reference signal through each of the N reference signal resources in the first resource period; N is an integer greater than 0; receive first information from the terminal device; the first Information is used to indicate the M reference signal resources measured by the terminal device in the N reference signal resources, and M is an integer less than N;
  • the processor 620 is configured to determine the M reference signal resources according to the first information.
  • the first information is the offset value ⁇ corresponding to the first resource period, where ⁇ is the measurement sequence of the terminal device in the first resource period and the second resource period in the same order.
  • the difference between the resource numbers of two reference signal resources, the first resource period is the resource period corresponding to the first information, and the second resource period is before the first resource period and differs from the A resource period adjacent to the first resource period, or the second resource period is a preset resource period.
  • the first information includes Bits or Bits, the first information includes Bits or The value corresponding to each bit is the ⁇ ; To round down, Is rounded up; or, the first information includes L bits, and the product of the value corresponding to the L bits included in the first information and the preset weight value is the ⁇ ; the preset weight The value is an integer greater than 0, and the preset weight value has a corresponding relationship with N.
  • the communication interface 610 is further used to: send resource configuration information to the terminal device;
  • the resource configuration information is used to indicate one or more of the following:
  • the N reference signal resources are The N reference signal resources;
  • the number of resource periods Y for measuring the N reference signal resources where Y is an integer less than N/M;
  • the offset value ⁇ corresponding to the first resource period; ⁇ is the difference between the resource numbers of the two reference signal resources with the same measurement sequence in the first resource period and the second resource period, and
  • the first resource period is a resource period corresponding to the first information, and the second resource period is a resource period before and adjacent to the first resource period;
  • Part of the measurement indication information is used to instruct the terminal device to measure part of the reference signal resources of the N reference signal resources when it is determined that the maximum number of reference signal resources that can be measured is less than the number N of reference signal resources configured by the network device .
  • the present application also provides a computer program product, the computer program product includes: computer program code, when the computer program code runs on a computer, the computer executes the embodiment shown in FIG. 2 Any one of the embodiments in the method.
  • the present application also provides a computer-readable medium storing program code, which when the program code runs on a computer, causes the computer to execute the embodiment shown in FIG. 2 Any one of the embodiments in the method.
  • the present application also provides a system, which includes the aforementioned terminal device and network device.
  • this application can be provided as methods, systems, or computer program products. Therefore, this application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, this application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, optical storage, etc.) containing computer-usable program codes.
  • a computer-usable storage media including but not limited to disk storage, optical storage, etc.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un appareil de mesure. Le procédé comprend : quand le nombre maximal de ressources de signal de référence prises en charge est M, la mesure de M ressources de signal de référence parmi N ressources de signal de référence dans une première période de ressources pour obtenir M éléments d'informations de mesure de signal, N étant un nombre entier supérieur à 1, et M étant un nombre entier inférieur à N ; et l'envoi de premières informations à un dispositif de réseau, les premières informations étant utilisées pour indiquer les M ressources de signal de référence mesurées. Selon le procédé, quand le nombre N de ressources de signal de référence configurées par le dispositif de réseau est supérieur au nombre maximal de ressources de signal de référence prises en charge par le dispositif terminal, le dispositif de réseau n'a pas besoin de reconfigurer, au moyen d'une signalisation, des ressources de signal de référence pour le dispositif terminal, et le dispositif terminal peut mesurer seulement les M ressources de signal de référence, ce qui permet de réduire le surdébit de signalisation, et de réduire également une charge de mesure du dispositif terminal.
PCT/CN2019/114078 2019-10-29 2019-10-29 Procédé et appareil de mesure WO2021081770A1 (fr)

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