WO2023160547A1 - Procédé de réponse aux informations, procédé d'envoi d'informations, terminal et dispositif côté réseau - Google Patents

Procédé de réponse aux informations, procédé d'envoi d'informations, terminal et dispositif côté réseau Download PDF

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Publication number
WO2023160547A1
WO2023160547A1 PCT/CN2023/077437 CN2023077437W WO2023160547A1 WO 2023160547 A1 WO2023160547 A1 WO 2023160547A1 CN 2023077437 W CN2023077437 W CN 2023077437W WO 2023160547 A1 WO2023160547 A1 WO 2023160547A1
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WO
WIPO (PCT)
Prior art keywords
turned
information
side device
beams
indication information
Prior art date
Application number
PCT/CN2023/077437
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English (en)
Chinese (zh)
Inventor
蒋露
陈晓航
Original Assignee
维沃移动通信有限公司
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Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2023160547A1 publication Critical patent/WO2023160547A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0096—Indication of changes in allocation
    • H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams

Definitions

  • the present application belongs to the technical field of communication, and specifically relates to an information response method, an information sending method, a terminal and a network side device.
  • Network-side devices transmit data through beams, but the more beams are turned on, the greater the power consumption.
  • the transmission capacity is redundant, resulting in waste of power consumption; when the network side equipment resumes high load, it needs higher transmission capacity and needs to open more beams to Meet the needs.
  • the network-side device can turn on and/or turn off the beam.
  • the network-side device turns on and/or turns off the beam, it may affect the communication of the terminal, thereby affecting the reliability of data transmission. is an urgent problem to be solved.
  • Embodiments of the present application provide an information response method, an information sending method, a terminal, and a network-side device, which can solve the problem that the network-side device affects the communication of the terminal after the beam is turned on and/or off, thereby affecting the reliability of data transmission. question.
  • an information response method includes:
  • the terminal obtains the target information sent by the network-side device, where the target information includes indication information and/or mode information, and the indication information is used to indicate information about at least one of beams that are turned on and beams that are turned off by the network-side device.
  • the mode information is used to indicate the working mode of the network side device;
  • the terminal executes a target operation according to the target information.
  • a method for sending information including:
  • the network side device performs beam opening and/or closing operations
  • the network side device sends target information, where the target information includes indication information and/or mode information, and the indication information is used to indicate at least one of beams turned on and beams turned off by the network side device, the The mode information is used to indicate the working mode of the network side device.
  • an information response device including:
  • An acquisition module configured to acquire target information sent by the network-side device, the target information includes indication information and/or mode information, and the indication information is used to indicate at least one of beams turned on and beams turned off by the network-side device information, the mode information is used to indicate the working mode of the network side device;
  • An executing module configured to execute a target operation according to the target information.
  • an information sending device including:
  • An execution module configured to perform beam opening and/or closing operations
  • a sending module configured to send target information, where the target information includes indication information and/or mode information, where the indication information is used to indicate information about at least one of beams turned on and beams turned off by the network side device, the The mode information is used to indicate the working mode of the network side device.
  • a terminal in a fifth aspect, includes a processor and a memory, the memory stores programs or instructions that can run on the processor, and when the programs or instructions are executed by the processor, the following The steps of the method in one aspect.
  • a terminal including a processor and a communication interface, wherein the communication interface is used to obtain target information sent by a network side device, the target information includes indication information and/or mode information, and the indication The information is used to indicate at least one of the beams turned on and the beams turned off by the network side device, the mode information is used to indicate the working mode of the network side device; the processor is used to execute the target according to the target information operate.
  • the terminal includes a processor and a memory, the memory stores programs or instructions that can run on the processor, and the programs or instructions are implemented when executed by the processor The steps of the method as described in the second aspect.
  • a network side device including a processor and a communication interface, wherein the communication interface is used to send target information, the target information includes indication information and/or mode information, and the indication information is used for Instructing the network side device to at least one of the turned on beam and the turned off beam information, the mode information is used to indicate the working mode of the network side device; the processor is used to perform beam turning on and/or turning off operations.
  • a ninth aspect provides a communication system, including: a terminal and a network-side device, the terminal can be used to perform the steps of the information response method described in the first aspect, and the network-side device can be used to perform the steps of the information response method described in the second aspect The steps of the information sending method.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method described in the first aspect are implemented, or the steps of the method as described in the first aspect are implemented, or the The steps of the method described in the second aspect.
  • a chip in an eleventh aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a program or an instruction to implement the method described in the first aspect. method, or the steps to implement the method as described in the second aspect.
  • a twelfth aspect provides a computer program/program product, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the The steps of the method described in the two aspects.
  • the terminal obtains the target information sent by the network side device, the target information includes indication information and/or mode information, and the indication information is used to indicate that the network side device turns on beams and turns off beams At least one item of information, the mode information is used to indicate the working mode of the network side device; the terminal executes a target operation according to the target information.
  • the network side device closes and/or opens the beam, it can instruct the terminal through the target information, so that the terminal can perform corresponding target operations based on the target information, for example, instruct the terminal to adjust the beam measurement, transmission, monitoring and other behaviors, so that the terminal according to the target
  • the information selects the appropriate beam for data transmission to ensure the reliability of data transmission.
  • FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application is applicable;
  • Fig. 2 is one of the flowcharts of the information response method provided by the embodiment of the present application.
  • Fig. 3 is the second flow chart of the information sending method provided by the embodiment of the present application.
  • FIG. 4a-Fig. 4e schematic diagrams of turning on or off the beam provided by the embodiment of the present application
  • Fig. 5 is one of the structural diagrams of the information response device provided by the embodiment of the present application.
  • FIG. 6 is the second structural diagram of the information sending device provided by the embodiment of the present application.
  • FIG. 7 is a structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 8 is a structural diagram of a terminal provided in an embodiment of the present application.
  • FIG. 9 is a structural diagram of a network side device provided by an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used for the above-mentioned system and radio technology, and can also be used for other systems and radio technologies.
  • NR New Radio
  • the following description describes the New Radio (NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6 th Generation, 6G) communication system.
  • 6G 6th Generation
  • Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, a super mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), augmented reality (augmented reality, AR) / virtual reality (virtual reality, VR) equipment, robot, wearable device (Wearable Device) , Vehicle User Equipment (VUE), Pedestrian User Equipment (PUE), smart home (home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.), game consoles, personal computers (personal computer, PC), teller machine or self-service machine and other terminal side devices, wearable devices include: smart watches, smart bracelet
  • the network side device 12 may include an access network device or a core network device, where the access network device 12 may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function, or Wireless access network unit.
  • RAN Radio Access Network
  • RAN Radio Access Network
  • Wireless access network unit Wireless access network unit
  • the access network device 12 may include a base station, a wireless local area network (Wireless Local Area Network, WLAN) access point or a WiFi node, etc., and the base station may be called a node B, an evolved node B (Evolved Node B, eNB), an access point, Base Transceiver Station (BTS), Radio Base Station, Radio Transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Home Node B, Home Evolved Node B , Transmitting Receiving Point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary.
  • the base station in the NR system is only used as an example for introduction, and the specific type of the base station is not limited.
  • the information response method provided by the embodiment of the present application will be described in detail below through some embodiments and application scenarios with reference to the accompanying drawings.
  • the embodiment of the present application provides an information response method, including the following steps:
  • Step 201 the terminal obtains the target information sent by the network side device, the target information includes indication information and/or mode information, and the indication information is used to indicate the beams and Information about at least one item of closed beams, where the mode information is used to indicate the working mode of the network side device.
  • the target information may include at least one of indication information and mode information.
  • the mode information is used to indicate the working mode of the network-side device.
  • the working mode can be energy-saving mode or non-power-saving mode, etc.
  • the network-side device turns off part of the beams in idle state and low load to reduce power consumption waste , when the network-side device turns off some beams, it can be regarded as an energy-saving mode; when the network-side device needs to restore high load, it needs higher transmission capacity, and when the previously closed beam is turned on again, it can be seen as The network-side device is in a non-energy-saving mode. That is to say, the energy-saving mode corresponds to a mode in which the beam can be turned off, and in the non-energy-saving mode, the network side device does not turn off the beam.
  • the energy-saving mode and the non-energy-saving mode may also be defined in other manners, the above are only examples, and are not limited here.
  • the working mode of the network-side device is associated with the opening and/or closing of the beam by the network-side device. For example, when the network-side device is in the energy-saving mode, the first beam is turned on and the second beam is turned off; the network-side device is in the non-energy-saving mode. , corresponding to the first beam being turned on, and the second beam being turned on.
  • the indication information can also be understood as being used to indicate beams or reference signals with or without measurement restriction to the terminal. For the beams turned on by the network-side device, the terminal has no measurement restrictions on the beams; for the beams turned off by the network-side device, the terminal has measurement restrictions on the beams.
  • opening can be understood as activation
  • closing can be understood as deactivation
  • Step 202 the terminal performs a target operation according to the target information.
  • the terminal obtains the target information sent by the network side device, the target information includes indication information and/or mode information, and the indication information is used to indicate at least one of the beams that are turned on and the beams that are turned off by the network side device Item information, the mode information is used to indicate the working mode of the network side device; the terminal executes the target operation according to the target information.
  • the network-side device closes and/or opens the beam, it can inform the terminal through the target information, so that the terminal can perform corresponding target operations based on the target information, for example, instruct the terminal to adjust the beam measurement, transmission, monitoring and other behaviors, so that the terminal according to the target
  • the information selects the appropriate beam for data transmission to ensure the reliability of data transmission.
  • the indication information is used to indicate at least one of the following:
  • the initial beam and the number of beams that are turned on and/or off for example, turning off/on counts from the beam ID of the initial beam, and the beam ID is decremented or incremented by n beams, where n is the number of beams;
  • a signal corresponding to at least one beam that is turned on and/or turned off for example, a synchronization signal block (Synchronization Signal and PBCH block, SSB) corresponding to at least one beam, or a reference signal (Reference Signal, RS);
  • a synchronization signal block Synchronization Signal and PBCH block, SSB
  • SSB Synchronization Signal and PBCH block, SSB
  • Reference Signal Reference Signal
  • TCI Transmission Configuration Indicator
  • New TCI state groups based on beams turned on
  • the bearing mode of the indication information can be one of the following:
  • Radio Resource Control for example, broadcast or dedicated (dedicated) RRC for carrying indication information;
  • DCI Downlink Control Information
  • group common or UE-specific DCI group common or UE-specific DCI
  • Media Access Control Element (Medium Access Control Control Element, MAC CE).
  • the terminal obtains the target information sent by the network side device, including:
  • the terminal When the target information includes the indication information, the terminal performs monitoring based on a preset period or based on an event trigger, so as to obtain the indication information sent by the network side device.
  • Said event includes one of the following:
  • the terminal measures that the beam link quality corresponding to at least one beam group is less than the first threshold Values, such as Layer 1 Reference Signal Received Power (Layer 1 Reference Signal Received Power, L1-RSRP), Layer 1 Signal to Interference plus Noise Ratio (Layer 1 Signal to Interference plus Noise Ratio, L1-SINR) of each beam link,
  • the weighted average or sum of throughput etc. is lower than the first threshold value, and the first threshold value can be set according to the actual situation;
  • the change value of the two beam link quality measurement results of the serving beam where the terminal is located is greater than the second threshold value, and the two beam link quality measurement results can be the last two consecutive times, or a preset time period
  • the two times with the longest interval time are not limited here, and the first threshold value can be set according to actual conditions.
  • the method before the terminal obtains the indication information, the method further includes:
  • the terminal receives configuration information, where the configuration information includes beam-related information.
  • the configuration information includes at least one of the following:
  • the global number of each beam such as global index (Global index), beam group index (beam group index);
  • each beam and uplink transmission, uplink transmission includes configuration grant (Configured Grant, CG) transmission, sounding reference signal (Sounding Reference Signal, SRS), physical uplink control channel (Physical Uplink Control Channel, PUCCH) ), at least one of Physical Uplink Shared Channel (PUSCH), Physical Random Access Channel (Physical Random Access Channel, PRACH) and Scheduling Request (Scheduling Request, SR);
  • configuration grant Configured Grant, CG
  • SRS Sounding reference signal
  • PUCCH Physical Uplink Control Channel
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • PRACH Physical Random Access Channel
  • Scheduling Request Scheduling Request
  • the association relationship between each beam and the downlink transmission, the downlink transmission includes at least one of a physical downlink control channel (Physical Downlink Control Channel, PDCCH) and a physical downlink shared channel (Physical downlink shared channel, PDSCH);
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical downlink shared channel
  • the beam associated with the default TCI state is one of the following:
  • the remaining minimum SSB identifies a corresponding beam, and the first beam is a beam turned off by the network side device;
  • the beam configured by the network side device.
  • the terminal performs target operations according to the indication information, including:
  • the terminal executes the target operation according to the indication information and the configuration information, and the target operation includes at least one of an uplink transmission operation, a downlink transmission operation, a monitoring operation, and a measurement operation.
  • the downlink transmission operation includes at least one of the following:
  • the second beam is the beam indicated by the indication information to be closed;
  • the uplink transmission operation includes at least one of the following:
  • the target SRS configuration is associated with an unclosed beam, and the target SRS configuration can be set separately during energy saving SRS configuration in mode;
  • the measurement operation includes at least one of the following:
  • SINR Signal-to-noise And Interference Ratio
  • the specific direction is a direction corresponding to beams other than the beams indicated by the indication information to be turned off.
  • the terminal may report the measurement result, and the measurement result includes the new candidate beam.
  • the monitoring operation includes:
  • Canceling the indication information indicates that the closed beam corresponds to PDCCH monitoring on the CORESET resource.
  • the resources corresponding to the closed beam include at least one of the following:
  • the indication information indicates the closed SSB
  • the closed SSB is the signal or channel of the QCL source
  • the resources corresponding to the closed beam include at least one of the following:
  • the indication information indicates a closed reference signal RS
  • the resource corresponding to the closed beam includes at least one of the following:
  • the indication information indicates the QCL source SSB or RS of the closed TCI state
  • the indication information to indicate that the QCL source SSB of the closed TCI state is the signal or channel of the QCL source
  • the QCL source RS whose TCI state is indicated to be closed by the indication information is the signal or channel of the QCL source.
  • the target operation includes: resume measuring the RS corresponding to the enabled beam.
  • the UE does not expect network-side devices to trigger uplink and downlink transmissions on specific beams through dynamic grants, such as CSI measurement, PDSCH reception, PUSCH transmission, PUCCH transmission, etc.
  • a transmission is associated with a resource corresponding to a particular beam.
  • the embodiment of the present application provides a method for sending information, including the following steps:
  • the network side device performs beam opening and/or closing operations.
  • the network side device may perform a beam closing operation according to a preset rule.
  • the preset rules include at least one of the following:
  • the target mode may be an energy-saving mode
  • CSI-RS Channel State Information Reference Signal
  • the beam is turned off according to a second preset mode, and the second preset mode includes the correspondence between the CSI-RS of the single transmission and the beam.
  • the corresponding beam can be turned off according to the established pattern, and the pattern can be based on a code division multiplexing (Code Division Multiplexing, CDM) group or port number to set.
  • CDM Code Division Multiplexing
  • Step 302 the network-side device sends target information, the target information includes indication information and/or mode information, and the indication information is used to indicate information about at least one of beams that are turned on and beams that are turned off by the network-side device, so The mode information is used to indicate the working mode of the network side device.
  • the network-side device performs beam opening and/or closing operations; the network-side device sends target information, the target information includes indication information and/or mode information, and the indication information is used to instruct the network-side device to turn on Information about at least one of beams that are active and beams that are closed, the mode information is used to indicate the working mode of the network side device.
  • the network-side device closes and/or opens the beam, it notifies the terminal through the target information, so that the terminal can perform corresponding target operations based on the target information, for example, instruct the terminal to adjust the beam measurement, transmission, monitoring and other behaviors, so that the terminal according to the target information Select the appropriate beam for data transmission to ensure the reliability of data transmission.
  • the indication information is used to indicate at least one of the following:
  • At least one transmission configuration that is turned on and/or turned off indicates a TCI state
  • New TCI state groups based on beams turned on
  • the method before the network side device sends target information to the terminal, the method further includes:
  • the network-side device sends configuration information to the terminal, where the configuration information includes beam-related information.
  • the configuration information includes at least one of the following:
  • the beam associated with the default TCI state is not turned off in the target mode.
  • the beam associated with the default TCI state is one of the following:
  • the remaining minimum synchronization signal block SSB identifies the corresponding beam, and the first beam is a beam turned off by the network side device;
  • the beam configured by the network side device.
  • the information sending method performed by the network side device is the same as the information response method performed by the terminal
  • the technical features please refer to the description in the embodiment of the terminal for details, and details are not repeated here.
  • this application adds a default TCI state (or called default TCI state () configuration, and the beam corresponding to the default TCI state will not be turned off in the energy-saving mode.
  • the TCI state of the CSI-RS for beam management configured by the network side device to the terminal is 2 (see Table 1), which means that the terminal can refer to the TRS to obtain the QCL-TypeA related information, and refer to the QCL-TypeD related information of CSI-RS for beam management for downlink PDSCH reception, the beam corresponding to CSI-RS for beam management is turned off, and the new beam takes effect after the preset time; within the preset time , the UE may perform downlink reception according to a default TCI state configuration (TCI state configuration) corresponding to receiving the first configuration information.
  • TCI state configuration TCI state configuration
  • Step 1 The network side device sends an energy-saving mode indication, and indicates the closed transmission beam (Tx beam) through DCI, or the number corresponding to the reference signal associated with the closed Tx beam;
  • Step 2 The terminal receives the energy-saving mode indication, and learns the number of the closed beam and the closing time.
  • the terminal cancels the L1-RSRP, Block Error Rate (Block Error Rate, BLER), SINR and other detection behaviors of the beam within the corresponding time, and performs beam switching and beam failure detection (Beam Failure) Detection, BFD), beam failure recovery (Beam failure recovery, BFR) and other operations, before the beam switching is completed, the UE can determine the QCL information of the PDCCH or PDSCH according to the received configuration information for downlink reception;
  • Beam Failure Beam Failure
  • BFR beam failure recovery
  • the closed beam does not affect behaviors such as data transmission of the UE, no further operation is required.
  • Step 1 The network-side device sends indication information, and indicates the closed Tx beam through DCI, or the number corresponding to the reference signal associated with the closed Tx beam. If the closed Tx beam is beam 2, the network-side device does not send CSI-RS 2, As shown in Figure 4b, the dotted line in the figure indicates that it is closed;
  • Step 2 The UE receives the indication information, knows the number of the closed beam and the closing time, and cancels the CSI measurement and uplink transmission of the beam 2 direction;
  • Step 3 The network side device sends CSI-RS 2 in the direction of beam 1 to refine the downlink Tx beam of beam 1;
  • Step 4 As shown in Figure 4b, the UE side increases the measurement of CSI, L1-RSRP, SINR, etc. in the direction of beam 1, and optionally, the measurement results (the index of the CSI resource corresponding to the beam, that is, CSI- The RS resource indicator (CSI-RS resource indicator, CRI)/SSB resource indicator (SSB resource indicator, SSBRI)) is reported to the network side.
  • CSI-RS resource indicator CRI
  • SSB resource indicator SSB resource indicator
  • the network-side device predefines one or more CSI-RS (beam) patterns in energy-saving mode. If the CSI-RS (beam) of the network-side device follows the Code Division Multiplexing (CDM) type as fd- CDM2 is divided into 4 groups of CDM groups, among which, CSI-RS 1 and CSI-RS 3 are a group, which is recorded as CDM group 1.
  • CDM Code Division Multiplexing
  • Fig. 4c is a schematic diagram of a beam in a non-energy-saving mode
  • Fig. 4d is a beam pattern (beam pattern) of a CSI-RS of a network side device in an energy-saving mode.
  • the network side device After entering the energy-saving mode, the network side device sends indication information to the UE to indicate the pattern of the energy-saving mode, that is, the beam pattern in Figure 4d is used to send the CSI-RS; if the closed CDM group 1 CSI-RS for CSI (CSI-RS for CSI) or CSI-RS for L1-RSRP calculation (CSI-RS for L1-RSRP calculation), the UE cancels the CSI and L1 on these two beams -RSRP, SINR and other related measurements and PDCCH monitoring;
  • the network side equipment pre-defines the beams corresponding to CSI-RS 0 and CSI-RS 1, CSI-RS 2 and CSI-RS 3, CSI-RS 4 and CSI-RS 5, CSI-RS 6 and CSI-RS 7 respectively as Four beam groups.
  • the network-side device sends configuration information to the UE, specifying the global index of each beam.
  • the network side device sends indication information to the UE, indicating the closed beam, and the indication information can be:
  • each group includes 2 beams (TCI or beam identification), for example, "0100" indicates the second beam group, as shown in Figure 4e, that is, CSI-
  • TCI transmission-specific information
  • 0100 indicates the second beam group, as shown in Figure 4e, that is, CSI-
  • the beams corresponding to RS 2 and CSI-RS 3 are turned off;
  • Non-grouping-based beam indication which can indicate 8 beams (TCI or beam identification), for example, "00110000” indicates that the third and fourth beams are closed, as shown in Figure 4e, that is, CSI-RS2 and CSI - The beam corresponding to RS 3 is turned off.
  • the network-side device After the network-side device enters the energy-saving mode, it stops sending a specific beam or RS (SSB, CSI-RS) in the time domain, and the network side uses MAC CE or DCI to directly deactivate (deactivate) the measurement behavior of the UE until the network sends an activation (activate) ) and then start the measurement.
  • SSB specific beam or RS
  • CSI-RS CSI-RS
  • the network-side device After the network-side device enters the energy-saving mode, it stops sending a specific beam or RS (SSB, CSI-RS) in the time domain, and the network-side device uses MAC CE or DCI to directly deactivate the measurement behavior of the terminal until the network-side device sends an activation beam start the measurement after the measurement information.
  • SSB specific beam or RS
  • CSI-RS CSI-RS
  • the information sending method of the present application can realize the energy saving of the equipment on the network side by dynamically closing and/or opening a certain number of beams, and at the same time instruct the relevant behavior on the UE side to reduce or increase the measurement, transmission and monitoring on the closed beams, etc. Behaviors can also bring certain gains to the UE side.
  • the information response method provided in the embodiment of the present application may be executed by an information response device.
  • the information response device provided in the embodiment of the present application is described by taking the information response device executing the information response method as an example.
  • the embodiment of the present application provides an information response device, and the information response device 500 includes:
  • the obtaining module 501 is configured to obtain target information sent by the network side device, the target information includes indication information and/or mode information, and the indication information is used to indicate at least one of the beams that are turned on and the beams that are turned off by the network side device Item information, the mode information is used to indicate the working mode of the network side device;
  • the execution module 502 is configured to execute a target operation according to the target information.
  • the indication information is used to indicate at least one of the following:
  • At least one transmission configuration that is turned on and/or turned off indicates a TCI state
  • New TCI state groups based on beams turned on
  • the acquiring module is configured to monitor based on a preset period or based on an event trigger to acquire the indication information sent by the network side device when the target information includes the indication information.
  • the event includes one of the following:
  • the terminal measures that the beam link quality corresponding to at least one beam group is less than a first threshold
  • a change value of two beam link quality measurement results of the serving beam where the terminal is located is greater than a second threshold.
  • the apparatus further includes a receiving module, configured to receive configuration information, where the configuration information includes beam-related information.
  • the configuration information includes at least one of the following:
  • the beam associated with the default TCI state is not turned off in the target mode.
  • the beam associated with the default TCI state is one of the following:
  • the remaining minimum synchronization signal block SSB identifies the corresponding beam, and the first beam is a beam turned off by the network side device;
  • the beam configured by the network side device.
  • the executing module 502 is configured to execute the target operation according to the indication information and the configuration information, where the target operation includes at least one of an uplink transmission operation, a downlink transmission operation, a monitoring operation, and a measurement operation one item.
  • the downlink transmission operation includes at least one of the following:
  • the second beam is the beam indicated by the indication information to be closed;
  • the uplink transmission operation includes at least one of the following:
  • the uplink control information UCI is not sent;
  • the PUCCH is sent by using the QCL information of the beam indicated by the default TCI state;
  • the PUCCH resource configuration is replaced with a target PUCCH resource configuration, and the target PUCCH resource configuration is associated with an unclosed beam;
  • the SRS configuration is replaced with a target SRS configuration, and the target SRS configuration is associated with an unclosed beam;
  • the spatial relationship information in the SRS configuration is updated, and the updated spatial relationship information is used for uplink transmission.
  • the measurement operation includes at least one of the following:
  • the specific direction is a direction corresponding to beams other than the beams indicated by the indication information to be turned off.
  • the monitoring operation includes:
  • Canceling the indication information indicates that the closed beam corresponds to PDCCH monitoring on the CORESET resource.
  • the resources corresponding to the closed beam include at least one of the following:
  • the indication information indicates the closed SSB
  • the closed SSB is the signal or channel of the QCL source
  • the resources corresponding to the closed beam include at least one of the following:
  • the indication information indicates a closed RS
  • the resource corresponding to the closed beam includes at least one of the following:
  • the indication information indicates the QCL source SSB or RS of the closed TCI state
  • the indication information to indicate that the QCL source SSB of the closed TCI state is the signal or channel of the QCL source
  • the QCL source RS whose TCI state is indicated to be closed by the indication information is the signal or channel of the QCL source.
  • the target operation includes: resume measuring the RS corresponding to the enabled beam.
  • the information response device 500 provided by the embodiment of the present application can realize each process realized by the method embodiment in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the information response apparatus 500 in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or a component of the electronic device, such as an integrated circuit or a chip.
  • the electronic device may be a terminal, or other devices other than the terminal.
  • the terminal may include, but not limited to, the types of terminal 11 listed above, and other devices may be servers, Network Attached Storage (NAS), etc., which are not specifically limited in this embodiment of the present application.
  • NAS Network Attached Storage
  • an embodiment of the present application provides an information sending device, and the information sending device 600 includes:
  • Executing module 601 configured to perform beam opening and/or closing operations
  • the first sending module 602 is configured to send target information, where the target information includes indication information and/or mode information, and the indication information is used to indicate information of at least one of beams turned on and beams turned off by the network side device , the mode information is used to indicate the working mode of the network side device.
  • the indication information is used to indicate at least one of the following:
  • At least one transmission configuration that is turned on and/or turned off indicates a TCI state
  • New TCI state groups based on beams turned on
  • the device 600 also includes:
  • the second sending module is configured to send configuration information to the terminal, where the configuration information includes beam-related information.
  • the configuration information includes at least one of the following:
  • the beam associated with the default TCI state is not turned off in the target mode.
  • the beam associated with the default TCI state is one of the following:
  • the remaining minimum synchronization signal block SSB identifies the corresponding beam, and the first beam is a beam turned off by the network side device;
  • the beam configured by the network side device.
  • the executing module 601 is configured to execute a beam closing operation according to a preset rule.
  • the preset rules include at least one of the following:
  • the beam is turned off according to a preset mode, and the preset mode includes the correspondence between the CSI-RS of the single transmission and the beam;
  • the CSI-RS for repeated transmission included in the resource set is all turned off, turn off the beam in the direction corresponding to the CSI-RS for repeated transmission;
  • the information sending device 600 provided in the embodiment of the present application can implement various processes implemented in the method embodiment in FIG. 3 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a communication device 700, including a processor 701 and a memory 702, and the memory 702 stores programs or instructions that can run on the processor 701, for example, the communication device
  • the communication device 700 is a terminal, when the program or instruction is executed by the processor 701, each step of the embodiment of the information response method shown in FIG. 2 is implemented, and the same technical effect can be achieved.
  • the communication device 700 is a network-side device, when the program or instruction is executed by the processor 701, the various steps of the information sending method embodiment shown in FIG. 3 above can be achieved, and the same technical effect can be achieved. To avoid repetition, the Let me repeat.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, the communication interface is used to obtain the target information sent by the network side device, the target information includes indication information and/or mode information, and the indication information is used The information indicating at least one of the beams turned on and beams turned off by the network side device, the mode information is used to indicate the working mode of the network side device; the processor is used to execute a target operation according to the target information.
  • This terminal embodiment is implemented with the above-mentioned terminal side method
  • each implementation process and implementation manner of the above method embodiment can be applied to the terminal embodiment, and can achieve the same technical effect.
  • FIG. 8 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 800 includes but not limited to: a radio frequency unit 801, a network module 802, an audio output unit 803, an input unit 804, a sensor 805, a display unit 806, a user input unit 807, an interface unit 808, a memory 809, and a processor 810, etc. At least some parts.
  • the terminal 800 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 810 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • the terminal structure shown in FIG. 8 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 804 may include a graphics processing unit (Graphics Processing Unit, GPU) 8041 and a microphone 8042, and the graphics processor 8041 is used in a video capture mode or an image capture mode by an image capture device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 806 may include a display panel 8061, and the display panel 8061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 807 includes at least one of a touch panel 8071 and other input devices 8072 .
  • the touch panel 8071 is also called a touch screen.
  • the touch panel 8071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 8072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 801 may transmit the downlink data from the network side device to the processor 810 for processing after receiving the downlink data; in addition, the radio frequency unit 801 may send uplink data to the network side device.
  • the radio frequency unit 801 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 809 can be used to store software programs or instructions as well as various data.
  • the memory 809 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playing function, image playback function, etc.), etc.
  • memory 809 may include volatile memory or nonvolatile memory, or, memory 809 may include both volatile and nonvolatile memory.
  • the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electronically programmable Erase Programmable Read-Only Memory
  • Flash Flash
  • Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (Synch link DRAM , SLDRAM) and Direct Memory Bus Random Access Memory (Direct Rambus RAM, DRRAM).
  • RAM Random Access Memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM Double Data Rate SDRAM
  • DDRSDRAM double data rate synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM enhanced synchronous dynamic random access memory
  • Synch link DRAM , SLDRAM
  • Direct Memory Bus Random Access Memory Direct Rambus
  • the processor 810 may include one or more processing units; optionally, the processor 810 integrates an application processor and a modem processor, wherein the application processor mainly handles operations related to the operating system, user interface, and application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 810 .
  • the radio frequency unit 801 is configured to obtain the target information sent by the network side device, the target information includes indication information and/or mode information, and the indication information is used to indicate that the network side equipment turns on beams and turns off beams at least one item of information, the mode information is used to indicate the working mode of the network side device;
  • the processor 810 is configured to execute a target operation according to the target information.
  • the indication information is used to indicate at least one of the following:
  • At least one transmission configuration that is turned on and/or turned off indicates a TCI state
  • New TCI state groups based on beams turned on
  • the radio frequency unit 801 is configured to, when the target information includes the indication information, monitor based on a preset period or based on an event trigger, so as to obtain the indication information sent by the network side device.
  • the event includes one of the following:
  • the terminal measures that the beam link quality corresponding to at least one beam group is less than a first threshold
  • a change value of two beam link quality measurement results of the serving beam where the terminal is located is greater than a second threshold.
  • the radio frequency unit 801 is configured to receive configuration information, where the configuration information includes beam-related information.
  • the configuration information includes at least one of the following:
  • the beam associated with the default TCI state is not turned off in the target mode.
  • the beam associated with the default TCI state is one of the following:
  • the remaining minimum synchronization signal block SSB identifies the corresponding beam, and the first beam is a beam turned off by the network side device;
  • the beam configured by the network side device.
  • the processor 810 is configured to execute the target operation according to the indication information and the configuration information, where the target operation includes an uplink transmission operation, a downlink transmission operation, a monitoring operation, At least one of the measurement operations.
  • the downlink transmission operation includes at least one of the following:
  • the second beam is the beam indicated by the indication information to be closed;
  • the uplink transmission operation includes at least one of the following:
  • the uplink control information UCI is not sent;
  • the PUCCH is sent by using the QCL information of the beam indicated by the default TCI state;
  • the PUCCH resource configuration is replaced with a target PUCCH resource configuration, and the target PUCCH resource configuration is associated with an unclosed beam;
  • the SRS configuration is replaced with a target SRS configuration, and the target SRS configuration is associated with an unclosed beam;
  • the spatial relationship information in the SRS configuration is updated, and the updated spatial relationship information is used for uplink transmission.
  • the measurement operation includes at least one of the following:
  • the specific direction is a direction corresponding to beams other than the beams indicated by the indication information to be turned off.
  • the monitoring operation includes:
  • Canceling the indication information indicates that the closed beam corresponds to PDCCH monitoring on the CORESET resource.
  • the resources corresponding to the closed beam include at least one of the following:
  • the indication information indicates the closed SSB
  • the closed SSB is the signal or channel of the QCL source
  • the resources corresponding to the closed beam include at least one of the following:
  • the indication information indicates a closed RS
  • the resource corresponding to the closed beam includes at least one of the following:
  • the indication information indicates the QCL source SSB or RS of the closed TCI state
  • the indication information to indicate that the QCL source SSB of the closed TCI state is the signal or channel of the QCL source
  • the QCL source RS whose TCI state is indicated to be closed by the indication information is the signal or channel of the QCL source.
  • the target operation includes: resume measuring the RS corresponding to the enabled beam.
  • the embodiment of the present application also provides a network side device, including a processor and a communication interface, the communication interface is used to send target information, the target information includes indication information and/or mode information, and the indication information is used to indicate the Information about at least one of beams turned on and beams turned off by the network side device, the mode information is used to indicate the working mode of the network side device; the processor is used to perform beam turning on and/or turning off operations.
  • the network-side device embodiment corresponds to the above-mentioned network-side device method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a network side device.
  • the network side device 900 includes: an antenna 91 , a radio frequency device 92 , a baseband device 93 , a processor 94 and a memory 95 .
  • the antenna 91 is connected to a radio frequency device 92 .
  • the radio frequency device 92 receives information through the antenna 91, and sends the received information to the baseband device 93 for processing.
  • the baseband device 93 processes the information to be sent and sends it to the radio frequency device 92
  • the radio frequency device 92 processes the received information and sends it out through the antenna 91 .
  • the method performed by the network side device in the above embodiments may be implemented in the baseband device 93, where the baseband device 93 includes a baseband processor.
  • the baseband device 93 can include at least one baseband board, for example, a plurality of chips are arranged on the baseband board, as shown in FIG.
  • the program executes the network device operations shown in the above method embodiments.
  • the network side device may also include a network interface 96, such as a common public radio interface (common public radio interface, CPRI).
  • a network interface 96 such as a common public radio interface (common public radio interface, CPRI).
  • the network side device 900 in this embodiment of the present invention further includes: instructions or programs stored in the memory 95 and executable on the processor 94, and the processor 94 invokes the instructions or programs in the memory 95 to execute the various programs shown in FIG.
  • the method of module execution achieves the same technical effect, so in order to avoid repetition, it is not repeated here.
  • the embodiment of the present application also provides a readable storage medium, the readable storage medium may be nonvolatile or volatile, the readable storage medium stores programs or instructions, and the programs or instructions are stored in When executed by the processor, each process of the method embodiment shown in FIG. 2 or FIG. 3 can be realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiments.
  • the readable memory includes a computer-readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk, and the like.
  • the embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the above-mentioned Figure 2 or Figure 3.
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run programs or instructions to implement the above-mentioned Figure 2 or Figure 3.
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • Embodiments of the present application further provide a computer program/program product, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement each of the above method embodiments. process, and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
  • the embodiment of the present application also provides a communication system, including: a terminal and a network-side device, the terminal can be used to execute the steps of the information response method in the embodiment shown in Figure 2 above, and the network-side device can be used to execute the steps shown in Figure 3 above The steps of the information sending method of the embodiment are shown.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

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  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande se rapporte au domaine technique des communications, et divulgue un procédé de réponse aux informations, un procédé d'envoi d'informations, un terminal et un dispositif côté réseau. Le procédé de réponse aux informations des modes de réalisation de la présente demande comprend les étapes suivantes : le terminal acquiert des informations cibles envoyées par le dispositif côté réseau, les informations cibles comprenant des informations d'indication et/ou des informations de mode, les informations d'indication étant utilisées pour indiquer des informations d'au moins l'un des faisceaux activés et des faisceaux désactivés par le dispositif côté réseau, et les informations de mode étant utilisées pour indiquer un mode de fonctionnement du dispositif côté réseau ; et le terminal exécute une opération cible selon les informations cibles.
PCT/CN2023/077437 2022-02-25 2023-02-21 Procédé de réponse aux informations, procédé d'envoi d'informations, terminal et dispositif côté réseau WO2023160547A1 (fr)

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CN202210176486.9A CN116707728A (zh) 2022-02-25 2022-02-25 信息响应方法、信息发送方法、终端及网络侧设备

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190349964A1 (en) * 2018-05-10 2019-11-14 Asustek Computer Inc. Method and apparatus for beam indication for uplink transmission in a wireless communication system
CN113259952A (zh) * 2020-02-07 2021-08-13 维沃移动通信有限公司 波束指示方法、装置、设备及介质
WO2022002201A1 (fr) * 2020-07-03 2022-01-06 大唐移动通信设备有限公司 Procédé et appareil d'indication de faisceau, terminal et dispositif côté réseau

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190349964A1 (en) * 2018-05-10 2019-11-14 Asustek Computer Inc. Method and apparatus for beam indication for uplink transmission in a wireless communication system
CN113259952A (zh) * 2020-02-07 2021-08-13 维沃移动通信有限公司 波束指示方法、装置、设备及介质
WO2022002201A1 (fr) * 2020-07-03 2022-01-06 大唐移动通信设备有限公司 Procédé et appareil d'indication de faisceau, terminal et dispositif côté réseau

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