WO2022141299A1 - Procédé de transmission de ressource de signal de référence, appareil, et support de stockage - Google Patents

Procédé de transmission de ressource de signal de référence, appareil, et support de stockage Download PDF

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Publication number
WO2022141299A1
WO2022141299A1 PCT/CN2020/141812 CN2020141812W WO2022141299A1 WO 2022141299 A1 WO2022141299 A1 WO 2022141299A1 CN 2020141812 W CN2020141812 W CN 2020141812W WO 2022141299 A1 WO2022141299 A1 WO 2022141299A1
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Prior art keywords
reference signal
time units
signal resources
time
time unit
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PCT/CN2020/141812
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English (en)
Chinese (zh)
Inventor
田杰娇
陈文洪
史志华
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2020/141812 priority Critical patent/WO2022141299A1/fr
Priority to CN202080108222.9A priority patent/CN116636169A/zh
Publication of WO2022141299A1 publication Critical patent/WO2022141299A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the embodiments of the present application relate to communication technologies, and in particular, to a method, device, and storage medium for transmitting reference signal resources.
  • the sounding reference signal is an important uplink reference signal in the 4th generation (4G) and 5th generation (5G) mobile communication systems, which enables network equipment to obtain downlink channel status.
  • Various functions such as information, antenna switching, uplink beam management and positioning.
  • the 5G communication system supports flexible configuration of uplink and downlink resources, and the number of uplink symbols and downlink symbols contained in each time slot can be flexibly configured or indicated.
  • the terminal device may not be able to completely transmit the SRS resources instructed by the network device to transmit in the time slot, resulting in the inability to implement the corresponding detection function.
  • the network device instructs the terminal device to send SRS resources on 4 consecutive symbols in a time slot, and to detect a larger channel bandwidth by frequency hopping on different symbols, however, when only 2 uplinks are included in the time slot symbol, the terminal equipment will not be able to completely transmit the SRS resources of 4 consecutive symbols in this time slot, and cannot complete the function of detecting a larger bandwidth. How to improve the reliability of reference signal transmission has become a problem to be solved at present.
  • Embodiments of the present application provide a method, device, and storage medium for transmitting reference signal resources, so as to improve the reliability of transmission of reference signal resources.
  • an embodiment of the present application may provide a method for transmitting reference signal resources, which is applied to a terminal device, and the method includes:
  • the terminal device receives first information from the network device, where the first information indicates that L reference signal resources are transmitted in N time units, where L and N are positive integers, and N ⁇ 2.
  • the embodiments of the present application may further provide a method for transmitting reference signal resources, which is applied to a network device, and the method includes:
  • the network device determines first information, where the first information instructs the terminal device to transmit L reference signal resources in N time units, where L and N are positive integers, and N ⁇ 2.
  • the network device sends the first information to the terminal device.
  • the embodiments of the present application may further provide a terminal device, including:
  • a transceiver unit configured to receive first information from a network device, where the first information indicates that L reference signal resources are transmitted in N time units, where L and N are positive integers, and N ⁇ 2;
  • a processing unit configured to determine, according to the first information, to transmit the L reference signal resources in each of the N time units.
  • the embodiments of the present application may further provide a network device, including:
  • a processing unit configured to determine first information, where the first information instructs the terminal device to transmit L reference signal resources in N time units, where L and N are positive integers, and N ⁇ 2.
  • the transceiver unit is used for sending the first information to the terminal device.
  • the embodiments of the present application may further provide a terminal device, including:
  • processors memories, interfaces for communicating with network devices
  • the memory stores computer-executable instructions
  • the processor executes the computer-executable instructions stored in the memory, so that the processor executes the method for transmitting reference signal resources provided in any one of the first aspect.
  • the embodiments of the present application may further provide a network device, including:
  • Processor memory, interface for communication with terminal equipment
  • the memory stores computer-executable instructions
  • the processor executes the computer-executable instructions stored in the memory, so that the processor executes the method for transmitting reference signal resources provided in any one of the second aspect.
  • the embodiments of the present application may further provide a computer-readable storage medium, where computer-executable instructions are stored in the computer-readable storage medium, and when the computer-executable instructions are executed by a processor, are used to implement the first aspect Any one of the transmission methods for reference signal resources.
  • embodiments of the present application may further provide a computer-readable storage medium, where computer-executable instructions are stored in the computer-readable storage medium, and when the computer-executable instructions are executed by a processor, are used to implement the second The method for transmitting reference signal resources according to any one of the aspects.
  • an embodiment of the present application may further provide a program, which, when the program is executed by a processor, is used to execute the method for transmitting a reference signal resource described in any one of the first aspect above.
  • an embodiment of the present application may further provide a program, which, when the program is executed by a processor, is used to execute the method for transmitting a reference signal resource as described in any one of the second aspect above.
  • the above-mentioned processor may be a chip.
  • the embodiments of the present application may further provide a computer program product, including program instructions, where the program instructions are used to implement the method for transmitting reference signal resources described in any one of the first aspect.
  • the embodiments of the present application may further provide a computer program product, including program instructions, where the program instructions are used to implement the method for transmitting reference signal resources described in any one of the second aspect.
  • an embodiment of the present application may further provide a chip, including: a processing module and a communication interface, where the processing module can execute the method for transmitting reference signal resources described in any one of the first aspect.
  • the chip also includes a storage module (eg, memory), the storage module is used for storing instructions, the processing module is used for executing the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the processing module to perform the first aspect.
  • a storage module eg, memory
  • the storage module is used for storing instructions
  • the processing module is used for executing the instructions stored in the storage module
  • the execution of the instructions stored in the storage module causes the processing module to perform the first aspect. Any one of the transmission methods for reference signal resources.
  • an embodiment of the present application may further provide a chip, including: a processing module and a communication interface, where the processing module can execute the method for transmitting reference signal resources described in any one of the second aspect.
  • the chip also includes a storage module (eg, memory), the storage module is used for storing instructions, the processing module is used for executing the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the processing module to perform the second aspect Any one of the transmission methods for reference signal resources.
  • a storage module eg, memory
  • the storage module is used for storing instructions
  • the processing module is used for executing the instructions stored in the storage module
  • the execution of the instructions stored in the storage module causes the processing module to perform the second aspect Any one of the transmission methods for reference signal resources.
  • FIG. 1 is a schematic diagram of a communication system applicable to an embodiment of the present application
  • FIG. 2 is a schematic flowchart of a method for transmitting reference signal resources provided by an embodiment of the present application
  • FIG. 3 is a schematic diagram of a time offset provided by an embodiment of the present application.
  • FIG. 4 is another schematic diagram of a time offset provided by an embodiment of the present application.
  • FIG. 5 is a schematic diagram of determining N time units according to an embodiment of the present application.
  • FIG. 6 is another schematic diagram of determining N time units according to an embodiment of the present application.
  • FIG. 7 is another schematic diagram of determining N time units according to an embodiment of the present application.
  • FIG. 8 is another schematic diagram of determining N time units according to an embodiment of the present application.
  • FIG. 9 is another schematic diagram of determining K time units according to an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a communication device provided by the application.
  • FIG. 11 is a schematic structural diagram of a terminal device of the present application.
  • FIG. 12 is a schematic structural diagram of a network device of the present application.
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD time division duplex
  • UMTS universal mobile telecommunications system
  • WiMAX worldwide interoperability for microwave access
  • 5G fifth generation
  • 5G new wireless
  • NR new radio
  • FIG. 1 is a schematic diagram of a wireless communication system 100 suitable for an embodiment of the present application.
  • the wireless communication system 100 may include at least one network device, for example, the network device 110 shown in FIG. 1 .
  • the wireless communication system 100 may further include at least one terminal device, for example, the terminal device 120 shown in FIG. 1 .
  • the network device 110 may send the first information to the terminal device 120, indicating that at least one reference signal resource is to be transmitted in multiple time slots, and the terminal device 120 may send the reference signal resource to the network device 110 in multiple time slots according to the first information.
  • the present application is not limited to this.
  • the terminal device in this embodiment of the present application may be a user equipment (user equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal device, A wireless communication device, user agent or user equipment.
  • UE user equipment
  • the terminal device may also be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in 5G networks or in the future evolution of the public land mobile network (PLMN) equipment, etc., which are not limited in this embodiment of the present application.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • PLMN public land mobile network
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
  • the terminal device may also be a terminal device in an Internet of Things (IoT) system.
  • IoT Internet of Things
  • IoT is an important part of the future development of information technology, and its main technical feature is that items pass through communication technology Connect with the network, so as to realize the intelligent network of human-machine interconnection and interconnection of things.
  • the network device in this embodiment of the present application may be a device used to communicate with a terminal device, and the network device may be a base station (base transceiver station, BTS) in a GSM or CDMA system, or a base station (nodeB, BTS) in a WCDMA system NB), it can also be an evolved base station (evolutional nodeB, eNB or eNodeB) in the LTE system, it can also be a wireless controller in the cloud radio access network (cloud radio access network, CRAN) scenario, or the network device can It is a relay station, an access point, a vehicle-mounted device, and a network device in a 5G network or a network device in a future evolved PLMN network, etc., which are not limited in the embodiments of the present application.
  • BTS base transceiver station
  • nodeB, BTS base station
  • eNodeB evolved base station
  • CRAN cloud radio access network
  • the network device can It is a relay station, an access
  • the SRS signal is an important reference signal in the 5G new radio (NR) system and is widely used in various functions in the NR system, such as
  • Non-Codebook based uplink transmission including frequency domain scheduling and SRS resource indication (Sounding Reference Signal Resource Indicator, SRI)/MCS determination)
  • the network can configure one or more SRS resource groups (SRS Resource set) for a UE, and each SRS Resource set can configure one or more SRS resources (SRS resource).
  • SRS Resource set SRS resource groups
  • SRS resource SRS resource groups
  • the transmission of SRS can be divided into periodic (Periodic), semi-persistent (Semi-persistent), and aperiodic (Aperiodic). The details are as follows:
  • Periodic SRS refers to periodically transmitted SRS, and its period and time slot offset are configured by radio resource control (RRC) signaling. Once the terminal receives the corresponding configuration parameters, it will send the SRS according to a certain period until The RRC configuration is invalid.
  • the spatial correlation information (Spatial Relation Info, which indicates the transmission beam in an implicit manner) of the periodic SRS is also configured by RRC signaling.
  • the spatial correlation information may indicate one CSI-RS, SSB or reference SRS, and the terminal determines the transmit beam of the third SRS resource according to the indicated receive beam of the CSI-RS/SSB, or determines the third SRS resource according to the transmit beam of the reference SRS resource.
  • the transmit beam of the SRS resource may indicate one CSI-RS, SSB or reference SRS, and the terminal determines the transmit beam of the third SRS resource according to the indicated receive beam of the CSI-RS/SSB, or determines the third SRS resource according to the transmit beam of the reference SRS resource.
  • Semi-persistent SRS is also a periodically transmitted SRS, and the period and slot offset are configured by RRC signaling, but its activation and deactivation signaling is through the medium access control control element (medium access control control element, MAC CE) is carried.
  • the terminal starts to periodically transmit SRS after receiving the activation signaling until it receives the deactivation signaling.
  • the spatially related information (transmission beam) of the semi-persistent SRS is carried along with the MAC CE that activates the SRS.
  • the terminal After receiving the period and time slot offset configured by RRC, the terminal determines the time slot that can be used to transmit SRS according to the following formula:
  • T SRS and T offset are the configured period and offset
  • n f and are the radio frame and time slot numbers, respectively.
  • aperiodic SRS transmission is introduced, and the base station can trigger the SRS transmission of the terminal through uplink or downlink DCI.
  • the trigger signaling for triggering aperiodic SRS transmission can be carried either by the DCI used for scheduling PUSCH/PDSCH in the UE-specific search space, or by the DCI format 2_3 in the common search space.
  • DCI format 2_3 can not only be used to trigger aperiodic SRS transmission, but also can be used to configure the TPC command of SRS on a group of UEs or a group of carriers at the same time.
  • the corresponding relationship between the value of the SRS request field and the triggered SRS resource set may be as shown in Table 1.
  • the terminal After receiving the aperiodic SRS trigger signaling (eg DCI), the terminal performs SRS transmission on the SRS resource set indicated by the trigger signaling.
  • the time slot offset (slot offset) between the trigger signaling and the SRS transmission is configured by higher layer signaling (RRC).
  • RRC higher layer signaling
  • the network side instructs the terminal through high-layer signaling in advance the configuration parameters of each SRS resource set, including time-frequency resources, sequence parameters, power control parameters, and the like.
  • the terminal can also determine the transmission beam used for transmitting the SRS on the resource through the spatial correlation information of the resource, and the information is configured for each SRS resource through RRC.
  • slot offset if the UE receives the DCI signaling triggering the aperiodic SRS in the slot n, the UE will Send the SRS resources in the corresponding set, as shown in Figure 1 below.
  • k is the RRC parameter slotOffset configured for each set
  • ⁇ SRS and ⁇ PDCCH are the subcarrier spacing configurations of the triggering SRS and the PDCCH that carry the triggering command, respectively.
  • the startPosition parameter is used to configure the symbol offset l offset , that is, l offset ⁇ ⁇ 0,1,...,13 ⁇ .
  • the nrofSymbols parameter is used to configure the number of consecutive OFDM symbols for SRS time domain resources That is, each SRS resource can be configured in any symbol of a time slot, the time domain start symbol l 0 of the SRS, Count down 10 symbols from the last symbol of the slot.
  • the NR system supports frequency hopping of SRS. If b hop ⁇ B SRS is satisfied (where b hop is an RRC configuration parameter), the terminal sends the SRS signal in the form of frequency hopping. Where m SRS,0 is the total bandwidth of SRS frequency hopping, and m SRS,b is the number of PRBs sent in each frequency hopping. And the terminal determines the frequency domain position of each frequency hopping by the following formula:
  • N b is determined by 3GPP protocol 38.211-Table 6.4.1.4.3-1
  • n RRC is the RRC configuration parameter, where F b (n SRS ) is determined by the following formula:
  • n SRS represents the number of SRS frequency hopping.
  • the number of SRS frequency hopping is determined by the following formula:
  • the number of SRS hopping is determined by the following formula:
  • T SRS and T offset are the configured period and offset
  • n f are the radio frame and time slot numbers, respectively. is the number of time slots contained in each frame.
  • the slot format includes downlink symbols, uplink symbols and flexible symbols.
  • the format of each slot of the UE is configured by the high layer parameter tdd-UL-DL-ConfigurationCommon.
  • the tdd-UL-DL-ConfigurationCommon includes the subcarrier spacing configuration parameter referenceSubcarrierSpacing and the time slot format parameter pattern1. where pattern1 contains:
  • the UE can modify the slot format through DCI 2_0.
  • the value of the SFI-index field in DCI2_0 indicates to the UE the slot format of each of the multiple time slots of each DL BWP or each UL BWP, and the effective position of the SFI is the first time when the UE detects DCI 2_0. Time slot starts.
  • the SFI-index field contains the number of bits, and the value of maxSFIindex is the maximum value provided by the high-level parameter slotFormatCombinationId.
  • the slot format is identified by the corresponding format index provided in Table 3, where 'D' represents downlink symbols, 'U' represents uplink symbols, and 'F' represents flexible symbols. It should be noted that the UE cannot indicate the symbols already configured as uplink symbols in tdd-UL-DL-ConfigurationCommon as downlink symbols through the SFI-index field in DCI2_0, and vice versa.
  • the terminal equipment cannot fully transmit the reference signal resources in a certain time slot that needs to transmit the reference signal resources, which will cause the transmission delay of the reference signal, or
  • the corresponding detection function cannot be effectively implemented because it cannot be completely transmitted. For example, it cannot effectively detect a large bandwidth, complete uplink beam management, and so on.
  • the current NR system supports SRS frequency hopping, wherein the number of aperiodic SRS frequency hopping is also limited by the number of consecutive OFDM symbols configured by the network side for each SRS resource, thus limiting the channel bandwidth that can be detected.
  • mobile phone terminals will support more and more transceiver antennas, such as 1T4R, 1T6R, 1T8R, 2T8R.
  • transceiver antennas such as 1T4R, 1T6R, 1T8R, 2T8R.
  • the antenna switching scenario whether it is periodic SRS, semi-periodic SRS or aperiodic SRS, it is impossible to completely transmit SRS resources in one time slot, and especially for aperiodic SRS, it is even necessary to configure multiple resource groups to Full transmission of aperiodic SRS resources is guaranteed.
  • the transmission of reference signal resources limited to one time slot will not meet the measurement or detection requirements of reference signal resources.
  • a transmission mechanism is needed to support reference signal resources to be transmitted in multiple time slots and improve the robustness of reference signal resource transmission. . Therefore, it is proposed in this application that the network device can instruct the terminal device to transmit L reference signal resources in N time units, and the terminal device transmits at least one of the L reference signal resources in N time units according to the instruction of the network device. reference signal resources. This enables the terminal device to transmit the quantity of reference signal resources that meet the demand in time, and to complete functions such as measurement or detection of the reference signal resources in time. The probability of successful reference signal resource transmission is increased, and the reliability of reference signal resource transmission is improved.
  • FIG. 2 is a schematic flowchart of a method for transmitting reference signal resources provided by an embodiment of the present application.
  • the network device determines first information, where the first information is used to instruct the terminal device to transmit L reference signal resources in N time units.
  • L and N are positive integers.
  • a time unit may be a slot, a subframe or a frame.
  • time units in the present application may all be replaced by time slots, or all may be replaced by subframes, or all may be replaced by frames.
  • time unit may also be other time units.
  • the reference signal resource may be a demodulation reference signal (demodulation reference signal, DMRS) resource or a sounding reference signal (sounding reference signal, SRS) resource.
  • DMRS demodulation reference signal
  • SRS sounding reference signal
  • the network device may determine and instruct the terminal device to transmit one or more reference signal resources in one or more time units according to the usage requirements of the reference signal resources.
  • the reference signal resource is an SRS resource
  • the network device may determine to instruct the terminal device to transmit multiple SRS resources for performing uplink beam management in multiple time units.
  • the network device may also determine and instruct the terminal device to repeatedly transmit one SRS resource in N time units according to other uses of the SRS resource.
  • the present application is not limited to this. After determining that the terminal device needs to send L SRS resources in N time units, the network device generates first information, and sends the first information to the terminal device in S220 to notify the terminal device to send L SRS resources in N time units. SRS resources.
  • the present application is not limited to this.
  • the first information is a radio resource control (radio resource control, RRC) message, a medium access control control element (medium access control control element, MAC CE) or downlink control information (downlink control information, DCI).
  • RRC radio resource control
  • MAC CE medium access control control element
  • DCI downlink control information
  • the first information includes configuration information of each reference signal resource in the L reference signal resources.
  • the configuration information of the reference signal resource configures the starting position of the reference signal resource and the number of consecutive orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiplexing, OFDM) symbols. That is, each reference signal resource may occupy one or more OFDM symbols.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the starting position of the reference signal resource configured by the configuration information of the reference signal resource may be one of the sets ⁇ 0, 1, 2, 3, 4, 5 ⁇ , or the starting position may be is one of the set ⁇ 0, 1, 2, 3...12, 13 ⁇ .
  • the starting position of the reference signal resource configured by the configuration information of the reference signal resource may be a plurality of sets ⁇ 0, 1, 2, 3, 4, 5 ⁇ , or may be the starting position The positions can be multiple in the set ⁇ 0, 1, 2, 3...12, 13 ⁇ .
  • the configuration information of the reference signal resource may indicate one or more values in the set of the number of consecutive OFDM symbols, indicating the number of consecutive OFDM symbols occupied by the reference signal resource.
  • the reference signal resource configuration information can be written as SRS-Resource, the set of the number of consecutive OFDM symbols is ⁇ 1, 2, 4 ⁇ , and the configuration information of a reference signal resource in the first information indicates 2 in the set, It means that the reference signal resource occupies two consecutive OFDM symbols.
  • the present application is not limited to this.
  • the set of the number of consecutive OFDM symbols may be one or more of the following:
  • the set of consecutive OFDM symbols is ⁇ 1, 2, 4 ⁇ ;
  • the set of consecutive OFDM symbols is ⁇ 1, 2, 4, 8, 12 ⁇ ;
  • the set of consecutive OFDM symbols includes any one of ⁇ 14, 16, 18, 28 ⁇ and ⁇ 1, 2, 4, 8, 12 ⁇ , for example, the set is ⁇ 1, 2, 4, 8, 12,14 ⁇ or ⁇ 1,2,4,8,12,16 ⁇ or ⁇ 1,2,4,8,12,18 ⁇ or ⁇ 1,2,4,8,12,28 ⁇ etc., in SRS -
  • the number of consecutive OFDM symbols configured in the Resource is one of the above sets;
  • the set of the number of consecutive OFDM symbols is any two of ⁇ 14, 16, 18, 28 ⁇ and ⁇ 1, 2, 4, 8, 12 ⁇ , and the number of consecutive OFDM symbols is configured in the SRS-Resource is a value in the above set;
  • the set of the number of consecutive OFDM symbols is any three of ⁇ 14, 16, 18, 28 ⁇ and ⁇ 1, 2, 4, 8, 12 ⁇ , and the number of consecutive OFDM symbols is configured in the SRS-Resource is a value in the above set;
  • the set of the number of consecutive OFDM symbols is ⁇ 1, 2, 4, 8, 12, 14, 16, 18, 28 ⁇ , and the number of consecutive OFDM symbols configured in the SRS-Resource is one of the above sets. value.
  • more consecutive OFDM symbol configurations can be supported, and a larger channel bandwidth can be detected in a frequency hopping scenario.
  • the transmission of SRS resources across time slots is supported, so as to avoid the failure of SRS transmission, and the transmission of SRS resources can be postponed to the next time slot for joint transmission.
  • the reference signal resource configuration information may also configure a repetition factor of the reference signal resources, where the repetition factor is the repetition times of the reference signal resources in a time unit (for example, a time slot, subframe or frame) .
  • the set of repetition factors is ⁇ 1,2,4 ⁇ ;
  • the set of repetition factors is ⁇ 1, 2, 4, 8, 12 ⁇ ;
  • the set of repetition factors includes any one of ⁇ 14, 16, 18, 28 ⁇ and ⁇ 1, 2, 4, 8, 12 ⁇ , for example, the set is ⁇ 1, 2, 4, 8, 12, 14 ⁇ or ⁇ 1,2,4,8,12,16 ⁇ or ⁇ 1,2,4,8,12,18 ⁇ or ⁇ 1,2,4,8,12,28 ⁇ etc, in SRS-Resource Configure the number of consecutive OFDM symbols to be one of the above sets;
  • the set of repetition factors includes any two of ⁇ 14, 16, 18, 28 ⁇ and ⁇ 1, 2, 4, 8, 12 ⁇ , and the number of consecutive OFDM symbols configured in the SRS-Resource is the above set one of the values;
  • the set of repetition factors includes any three of ⁇ 14, 16, 18, 28 ⁇ and ⁇ 1, 2, 4, 8, 12 ⁇ , and the number of consecutive OFDM symbols configured in the SRS-Resource is the above set one of the values;
  • the set of repetition factors includes ⁇ 1, 2, 4, 8, 12, 14, 16, 18, 28 ⁇ , and the number of consecutive OFDM symbols configured in the SRS-Resource is one of the above sets.
  • the L reference signal resources are pre-configured by the network device for the terminal device through configuration information, and the first information may include identification information of each reference signal resource in the L reference signal resources.
  • the network device before sending the first information, sends an RRC message to the terminal device, where the RRC message includes configuration information of the L reference signal resources, and the first information may include identification information of the L reference signal resources.
  • the RRC message includes configuration information of a first set, where the first set includes the L reference signal resources, and the first information may include identification information of the first set. But the application is not limited to this.
  • the first information is configuration information of a first set, and the first information further includes usage configuration parameters of the first set.
  • the first set is an SRS resource set
  • the usage of the SRS resource set can be configured as one of beam management (beamManagement), codebook (codebook), non-codebook (nonCodebook) and antenna switching (antennaSwitching). That is to say, the first information may select a usage from the usage set ⁇ beamManagement, codebook, nonCodebook, antennaSwitching ⁇ as the usage of the SRS resource set.
  • beamManagement beam management
  • codebook codebook
  • nonCodebook non-codebook
  • antenna switching antenna switching
  • the configuration information of the reference signal resource can configure the frequency domain related parameters for the reference signal.
  • the configuration information of the SRS (for example, written as SRS-Resource) can configure the frequency domain related parameters of the SRS, and the c-SRS can be configured as one of 0 to 63 , b-SRS can be configured as one of 0 to 3, and b-hop can be configured as one of 0 to 3.
  • the present application is not limited to this.
  • the first information may indicate the number N of time units included in the N time units in the following manner.
  • the first information includes second indication information, where the second indication information is used to indicate the number N of time units included in the N time units.
  • the second indication information in the first information indicates 3, indicating that the number of time units included in the N time units is 3, that is, the first information indicates that L reference signal resources are transmitted in 3 time units .
  • the present application is not limited to this.
  • the first information includes fourth indication information
  • the fourth indication information includes a bit string of P bits, where the P bits correspond to the P time units, wherein among the P bits N bits indicate the first value, the N time units are time units corresponding to the N bits, P is a positive integer, and P ⁇ N.
  • the length P of the bit string may be specified by the protocol or configured by higher layer parameters.
  • the number of bits indicating the first value among the P bits is N.
  • bit string When four bits in the bit string are set to "1", the N time units are the four time units corresponding to the four bits set to "1". If the bit string is 00110110, it means that the 3rd, 4th, 6th, and 7th time units in the 8 time units corresponding to the bit string are used for transmitting the L reference signal resources.
  • the present application is not limited to this.
  • the network device sends the first information to the terminal device.
  • the terminal device receives the first information from the network device.
  • the terminal device may report capability information to the network device before receiving the first information, where the capability information is used to indicate that the terminal device supports sending one or more reference signal resources in multiple time slots, or in other words, the capability information Used to indicate that the terminal device supports the transmission of one or more reference signal resources across time slots.
  • the terminal device determines, according to the first information, to transmit at least one reference signal resource among the L reference signal resources in each of the N time units.
  • the terminal device may determine the positions of the N time units according to the first information, that is, the positions of the time units in which the L reference signal resources are transmitted.
  • the time unit When the time unit is a slot, it may be called a slot position; when the time unit is a subframe, it may be called a subframe position; or when the time unit is a frame, it may be called a frame position.
  • the present application is not limited to this.
  • the protocol specifies a first time offset, where the first time offset is the number R of time units by which the N time units are offset with respect to the reference time unit.
  • the definition of the number R of time units offset by the reference time unit may be the Rth physical time unit (for example, the physical time unit may be a physical time slot), or the R+1th physical time unit ( That is, the value of R contains 0).
  • the definition of the number R of time units offset by the reference time unit may be the Rth effective time unit, or the R+1th effective time unit (the value of R includes 0).
  • the reference time unit may be referred to as a reference time slot if the time unit is a time slot, or may be referred to as a reference subframe if the time unit is a subframe, or may be referred to as a reference subframe if the time unit is a subframe.
  • the reference time unit may be referred to as a reference frame.
  • the present application is not limited thereto, and the time unit may also be other time units.
  • the first information is carried in a first time unit
  • the second indication information included in the first information indicates the number N of time units included in the N time units
  • the first time offset is the number of time units offset by the N time units with the first time unit as the reference time unit, for example, if the first time offset is M, then the Mth time unit after the first time unit is the first time unit in the N time units.
  • the protocol specifies that the time unit offset of N time units is 3.
  • the network device sends the first information in time unit n (ie, an example of the first time unit), and the first information indicates that L reference signal resources are transmitted in 4 time units.
  • the 4 time units are the third time unit after time unit n is the 4 time units of the starting time unit, namely time unit n+3, n+4, n+5 and time unit n+6, but The present application is not limited to this.
  • the network device sends the second information to the terminal device in the second time unit, where the second information is used to trigger the terminal device to transmit the L reference signal resources.
  • the first time offset may be the number of time units offset by the N time units taking the second time unit as a reference time unit. For example, if the first time offset is M, the Mth time unit after the second time unit is the first time unit in the N time units.
  • the first information may be an RRC message
  • the network device configures L reference signal resources through the RRC message, and the L reference signal resources are transmitted in N time units.
  • the network device sends the second information to the terminal device in the second time unit, triggering the terminal device to transmit the L reference signal resources in the N time units.
  • the first time unit of the N time units is the Mth time unit after the second time unit.
  • the present application is not limited to this.
  • the first information is carried in a first time unit, and the first information includes fourth indication information, that is, a bit string including P bits, wherein the P bits correspond to P time units, and the The first time offset may be the number of time units by which the first time unit of the P time units is offset when the first time unit is used as the reference time unit. For example, if the first time offset is Q, the Qth time unit after the first time unit is the first time unit in the P time units.
  • the third bit and the fourth bit in the 5 bits two bits indicate the first value, that is, indicate "1", then the number of time units included in the N time units is 2, and the 2 time units
  • the time units are respectively the time unit n+5 corresponding to the third bit and the time unit n+6 corresponding to the fourth bit.
  • the present application is not limited to this.
  • the first information includes fourth indication information
  • the network device triggers the terminal device to transmit the L reference signal resources by sending the second information to the terminal device in the second time unit.
  • the first time offset may be the number of time units by which the first time unit of the P time units is offset when the second time unit is used as the reference time unit. For example, if the first time offset is Q, the Qth time unit after the second time unit is the first time unit in the P time units.
  • the first information includes third indication information, and the third indication information is used for the second time unit offset.
  • the second time offset may be the number of time units offset by the N time units or the P time units corresponding to the P bits using the first time unit as a reference time unit, or the second time offset It may be the number of time units offset by the N time units or the P time units corresponding to the P bits using the second time unit as a reference time unit.
  • the present application is not limited to this. For specific embodiments, reference may be made to the description in the previous embodiment, which is not repeated here for brevity.
  • the time offset of the N time units may be indicated by one or more of RRC message, MAC CE or DCI.
  • the priority order indicated by the RRC message, the MAC CE and the DCI can be specified, and the terminal device determines the time offset of the N time units according to the received information with the highest priority. For example, it may be specified that the indicated priority order is DCI>MAC CE>RRC.
  • the time slot offset configured by the RRC message is 0, the time unit offset indicated by the network device through the MAC CE is A, and the terminal device is triggered to send the L reference signal resources, then the terminal device determines that the N time units and the The time offset between the time units where the MAC CE is located is A.
  • the terminal device may determine that the time offset between the N time units and the time unit where the DCI is located is B.
  • the present application is not limited to this.
  • the terminal device jointly determines the time unit offsets of the N time units according to the received indication information indicating the time unit offsets. For example, the network device configures the time offset as 1 through the RRC message, the network device triggers the terminal device to send the L reference signal resources through the MAC CE, and the MAC CE indicates that the time offset is A, then the N time units The offset relative to the reference time unit is 1+A. Or, the network device configures the time offset as 1 through the RRC message, the network device triggers the terminal device to send the L reference signal resources through DCI, and the DCI indicates that the time offset is B, then the N time units are relative to The offset of the reference time unit is 1+B.
  • the network device indicates that the time offset is A through the MAC CE, and triggers the terminal device to send the L reference signal resources through DCI, and the DCI indicates that the time offset is B, then the N time units are relative to the reference time
  • the offset of the cell is A+B.
  • the present application is not limited to this.
  • the number of offset time units of the first time unit in the N time units relative to the reference time unit may be 0, that is, the first time unit of the N time units is the reference time unit .
  • the time offset may also be 1, that is, the first time unit of the N time units is the next time unit of the reference time unit. That is to say, the number of offset time units of the first time unit in the N time units relative to the reference time unit may be a value greater than or equal to 0.
  • the transmission manner of the L reference signal resources in the N time units may include one or more of the following implementation manners.
  • the network device may configure reference signal resource A for the terminal device, the starting symbol of reference signal resource A is the fourth last OFDM symbol in a time unit, and the reference signal resource A occupies 8 consecutive OFDM symbols.
  • the first information includes fourth indication information, and the bit string containing 4 bits in the fourth indication information is 1100.
  • the reference time unit is time unit n
  • the time offset is M
  • the first time unit of the 4 time units corresponding to the 4-bit bit string is time unit n+M. If the first 2 bits in the string are set to "1", the N time units include 2 time units, namely time unit n+M and time unit n+M+1.
  • the reference signal resource A is configured to occupy 8 consecutive OFDM symbols with the fourth last OFDM symbol as the starting symbol (that is, the symbol position of the reference signal resource A is 8 consecutive OFDM symbols where the fourth OFDM symbol is the starting symbol) OFDM symbols), therefore, the reference signal resource A occupies OFDM symbol 10 to OFDM symbol 13 in time unit n+M and occupies OFDM symbol 0 to OFDM symbol 3 in time unit n+M+1.
  • the present application is not limited to this.
  • the time unit may be replaced by the time unit in the specific implementation according to the specific implementation
  • the reference signal resource may be replaced by the reference signal resource in the specific implementation.
  • the unit is a time slot
  • the reference signal resource A is an SRS resource A
  • the symbol position of the SRS resource A is the OFDM symbol 10 to OFDM symbol 13 in the time slot n+M
  • the OFDM symbol in the time slot n+M+1. 0 to OFDM symbol 3 other examples can also be similarly replaced, and for brevity, the details are not repeated.
  • the bit string of 6 bits in the fourth indication information is 110110.
  • the reference time unit is time unit n
  • the time offset is M
  • the 6 bits corresponding to the 6-bit bit string are The first time unit of the time units is time unit n+M. Since the 1st, 2nd, 4th, and 5th bits in the bit string are set to "1", the N time units include 2 time units, namely the time unit n+M, n+M+1, n+M+3, n+M+4.
  • the reference signal resource A Since the reference signal resource A is configured to occupy 8 consecutive OFDM symbols with the fourth last OFDM symbol as the starting symbol, the reference signal resource A occupies OFDM symbols 10 to 13 in the time unit n+M and time OFDM symbol 0 to OFDM symbol 3 in unit n+M+1 and the reference signal resource A are repeatedly transmitted once in time units n+M+3 and n+M+4, but the present application is not limited thereto.
  • the first information may be an RRC message, and the first information may be configuration information of reference signal resources.
  • the reference signal resources may be SRS resources, and the first information may be written as SRS-Resource.
  • the fourth indication information may be called a cross-slot bitmap, which may be written as crossSlotbitmap, and the fourth indication information includes a bit string of length P.
  • the fourth indication information may be an optional (OPTIONAL) configuration item in the first information.
  • the first information may be as follows:
  • the SRS-Resource may further include the identification information of the SRS resource, the srs-ResourceId, and the configuration information nrofSRS-Ports of the number of antenna ports of the SRS resource, but the present application is not limited to this.
  • the first information may also include other unlisted information.
  • the first information includes the second indication information indicating the number N of N time units.
  • the first information may be an RRC message, and the first information may be configuration information of reference signal resources.
  • the reference signal resources may be SRS resources, and the first information may be written as SRS-Resource.
  • the second indication information may be referred to as a cross-slot size, which may be written as crossSlotSize, and the crossSlotSize may indicate an integer value from 0 to Y, for example, indicates N, where N ⁇ Y.
  • the second indication information may be an optional (OPTIONAL) configuration item in the first information.
  • the first information may be as follows:
  • the first information includes the second indication information indicating the number N of N time units, where the N time units are consecutive N time units; or, the N time units are consecutively available time units; the The N time units are time units that include uplink symbols and/or flexible symbols; or, the N time units are time units that include OFDM symbols used for transmitting the L reference signal resources; or, The N time units are time units including orthogonal frequency division multiple access OFDM symbols used for transmitting part or all of the L reference signal resources.
  • the N time units determined by the terminal device according to the above definition of the N time units may be referred to as valid time units of the N time units.
  • the effective time unit can be called an effective time slot; when the time unit is a subframe, the effective time unit can be called an effective subframe; when the time unit is a frame , the valid time unit may be referred to as a valid frame.
  • the present application is not limited to this.
  • the N time units are consecutive N time units, if the reference time unit is time unit n and the time offset is M, then the starting unit of the N time units is time unit n+M, and the The N time units include time unit n+M to time unit n+M+N-1.
  • the present application is not limited to this.
  • the network device pre-indicates the uplink and downlink formats of the time resources to the terminal device, wherein each time unit may include uplink symbols, downlink symbols and flexible symbols.
  • the N time units may be N time units including uplink symbols (ie, OFDM symbols used to transmit uplink signals or channels).
  • the reference time unit is time unit n, and the time offset is M
  • time unit n+M contains uplink symbols
  • the starting time unit of the N time units is the time unit n+M
  • time unit n+M Does not include uplink symbols
  • the first time unit after time unit n+M that includes uplink symbols is the starting time unit of N time units, and sequentially determines the N time units that include uplink symbols after time unit n+M, namely is the time unit for transmitting the L reference signal resources.
  • the present application is not limited to this.
  • the N time units may be time units containing uplink symbols and/or flexible symbols, that is, time unit n+M is the N time units containing uplink symbols and/or flexible symbols in the time unit of the starting time unit
  • the time unit is a time unit for transmitting L reference signal resources.
  • the terminal device determines, according to the priority of the resources, a time unit that can be used to send the reference signal resource in the time unit starting from time unit n+M, for example, the time unit that needs to be occupied by the reference signal resource in time unit n+M.
  • the symbol is an uplink symbol, and there is no signal or channel with a higher priority than the reference signal resource that needs to be transmitted on the uplink symbol, then it can be determined that the time unit n+M includes the OFDM symbol used for transmitting the reference signal resource.
  • the unit n+M is the first time unit in the N time units, and it is determined that N-1 time units after the time unit n+M include the OFDM symbols used for transmitting the reference signal resource.
  • the N time units may be a time unit in which time unit n+M is a start time unit and includes at least one OFDM symbol for transmitting the reference signal resource. For example, if at least one of the symbols to be occupied by the reference signal resource in the time unit n+M is an uplink symbol, and no signal or channel with a higher priority than the reference signal needs to be transmitted on the at least one symbol, then the time Unit n+M is the starting time unit of the N time units. For example, the reference signal resource needs to occupy the last two symbols in the time unit.
  • the time unit n+M is the The starting time unit of the N time units, and then determine that the time unit after the time unit n+M includes a time unit that can be used to transmit at least one symbol of the reference signal resource (that is, it includes the time unit used to transmit the reference signal resource. time unit of an OFDM symbol for some or all of the resources). That is to say, even if some OFDM symbols are used to transmit reference signal resources, they are considered as valid time units, so that reference signal resources can be sent as soon as possible to the maximum extent, the timeliness of sending reference signal resources can be improved, and the system performance can be improved.
  • the signal or channel with a higher priority than the reference signal resource may include a physical uplink control channel (PUCCH) or a channel ( physical uplink shared channel, PUSCH), etc., but this application does not limit it.
  • PUCCH physical uplink control channel
  • PUSCH physical uplink shared channel
  • the N time units are N time units including orthogonal frequency division multiple access OFDM symbols used for transmitting part or all of the reference signal resource A.
  • the network device pre-configures the uplink and downlink symbol formats for the terminal device, and 3 symbols out of the 4 OFDM symbols that the reference signal resource A needs to occupy in the time unit n+M are uplink symbols, then the time unit n +M is the first time unit in the N time units, and the time unit n+M+1 does not include uplink symbols, then the time unit is not used as a time unit in the N time units, and then the time unit n+ In M+2 and n+M+3, the last 4 OFDM symbols to be occupied by reference signal resource A are uplink symbols and are not occupied by signals or channels of higher priority, so the 3 OFDM symbols used to transmit the reference signal resource A
  • the time units are time units n+M, n+M+2, and n+M+3. However, the present application is not limited to this.
  • Example 2 L>1, the first information specifically instructs the terminal device to transmit the L reference signal resources once in each of the N time units.
  • the L reference signal resources include multiple reference signal resources, and the L reference signal resources are repeatedly transmitted in N time units.
  • the L reference signal resources may be reference signal resources in the first set, and the first information may be configuration information of the first set.
  • the reference signal resource is an SRS resource
  • the first information may be configuration information of an SRS resource set, which may be written as SRS-ResourceSet.
  • the second indication information may be written as crossSlotSize, which is used to indicate the number N of time units for transmitting L reference signal resources.
  • the crossSlotSize may indicate an integer value from 0 to Y, eg, indicates N, where N ⁇ Y.
  • the SRS-ResourceSet can be as follows:
  • the identification information srs-ResourceSetId of the first set is also configured in the SRS-ResourceSet, and the L SRS resources included in the first set can be configured through srs-ResourceIdList.
  • the present application is not limited to this, and the SRS-ResourceSet may also include other configuration information.
  • the first information includes the second indication information indicating the number N of N time units.
  • the N time units are consecutive N time units, or, the N time units are N time units including uplink symbols and/or flexible symbols; N time units of OFDM symbols of the reference signal resources; or, the N time units are OFDMs that include a part or all of the resources for transmitting the L reference signal resources N time units of the symbol.
  • Example 1 For the specific implementation of determining the N time units, reference may be made to Example 1, which is not repeated here for brevity.
  • the fourth indication information may be referred to as a cross-slot bitmap, which may be written as crossSlotbitmap, and the fourth indication information includes a bit string of length P.
  • the fourth indication information may be an optional (OPTIONAL) configuration item in the first information.
  • the SRS-ResourceSet can be as follows:
  • SRS-ResourceSet can be as follows:
  • L reference signal resources include 2 reference signal resources, wherein one reference signal resource occupies OFDM symbols 9 and 10 in one time unit, and the other reference signal resource occupies OFDM symbols 9 and 10 in one time unit. Occupies OFDM symbols 12, 13 in one time unit.
  • the three time units used for transmitting the L reference signal resources are three consecutive time units. Then the three time units are time units n+M, n+M+1, and n+M+2.
  • the present application is not limited to this.
  • Example 3 L>1, the first information specifically instructs the terminal device to transmit at least one reference signal resource among the L reference signal resources in each of the N time units, and each of the N time units The number of reference signal resources in the L reference signal resources transmitted in the time unit is less than L.
  • the reference signal resources are SRS resources
  • the L reference signal resources are reference signal resources in the SRS resource set
  • the usage (usage) of the SRS-ResourceSet can be configured as antenna switching (for example, for 1T6R, 1T8R, 2T8R, etc.), that is, different SRS resources in the SRS resource set can be transmitted on different transmit antennas.
  • the usage (usage) of the SRS-ResourceSet may also be configured as other usages such as ⁇ beamManagement, codebook, nonCodebook, antennaSwitching ⁇ .
  • the L reference signal resources are distributed and transmitted in N time units.
  • the first information may include the second indication information or the fourth indication information, and the specific implementation may refer to the description in the second example.
  • the terminal device may determine the number of time units included in the N time units according to the second indication information or the fourth indication information, and the terminal device may also determine the number N of time units according to one of the following embodiments.
  • the terminal device determines the number N of time units included in the N time units according to the number of time units occupied by each of the L reference signal resources, wherein, n l is the number of time units occupied by the lth reference signal resource in the L reference signal resources.
  • the terminal equipment can determine to transmit the 3 reference signal resources in 4 time units.
  • the present application is not limited to this.
  • the terminal device determines the number N of time units included in the N time units according to the number L of reference signal resources included in the L reference signal resources and the first mapping relationship, wherein, The first mapping relationship is a mapping relationship between the number of reference signal resources and the number of time units.
  • the first mapping relationship may be as shown in Table 4.
  • the present application is not limited to this.
  • the protocol may specify at least one threshold value for the number of reference signal resources.
  • the number of reference signal resources is less than the threshold value, the number of time units is N1, and the number of reference signal resources is greater than the threshold value.
  • the number of time units is N2.
  • the present application is not limited to this.
  • the terminal device may determine the time unit occupied by each reference signal resource in the following manner.
  • the terminal device determines, according to the number L of reference signal resources included in the L reference signal resources, to transmit the reference signal in the L reference signal resources in each time unit of the N time units.
  • the number of reference signal resources cannot be divisible by the number of time units N, more reference signal resources may be sent in the earlier time unit, and fewer reference signal resources may be sent in the later time unit, Thus, the delay of reference signal resource transmission is reduced.
  • the SRS resource set includes 3 SRS resources and occupies 2 time slots, two SRS resources with smaller identifiers (identifiers, IDs) may be sent in the first time slot, and the largest IDs may be sent in the second time slot SRS resources.
  • IDs identifiers, IDs
  • the terminal device may determine to transmit 2 of the 7 reference signal resources in the first 3 time units of the 4 time units, respectively.
  • one reference signal resource is transmitted in the last time unit of the four time units.
  • the L reference signal resources are sequentially transmitted in the order of the L first identifiers from small to large or from large to small, wherein one of the second identifiers is used to identify One reference signal resource of the L reference signal resources.
  • the network device may configure a first identifier for each reference signal resource, and the values of the L second identifiers are different in size.
  • the L reference signal resources are sequentially transmitted in an ascending order of the L second identifiers or a descending order.
  • the order in which the L reference signals are transmitted may be specified by a protocol or may be indicated by a network device.
  • the first information includes first indication information, where the first indication information is used to indicate a time unit respectively occupied by each of the L reference signal resources in the N time units.
  • the first indication information includes L first identifiers, the L first identifiers correspond to the L reference signal resources, and one first identifier is used to indicate the corresponding The time unit occupied by the reference signal resource in the N time units.
  • the first indication information includes an identifier in the N time units of a time unit occupied by each of the L reference signal resources.
  • the first information indicates that five reference signal resources (such as reference signal resources A, B, C, D, and E) in the first set are transmitted in three time units, and the identifiers of the three time units (that is, the first Identification) information is 1, 2, 3 respectively, the first indication information in the first information includes five first identifications, the five first identifications are 1, 1, 2, 3, 3, the five first identifications Corresponding to the 5 reference signal resources in sequence, therefore, the terminal device can determine, according to the first indication information, that the reference signal resources A and B in the 5 reference signal resources occupy a time unit with an identifier of 1, a reference signal resource A, and a reference signal resource B.
  • the signal resource C occupies the time unit whose time unit identifier is 2
  • the reference signal resources D and E occupy the time unit whose time unit identifier information is 3, but the present application is not limited to this.
  • the first indication information includes L first values, the L first values correspond to the L reference signal resources, and one of the first values corresponds to the The number of time units of the interval between the time unit occupied by the reference signal resource and the first time unit of the N time units.
  • the first indication information includes the number of time units spaced between the time unit occupied by each of the L reference signal resources and the first time unit of the N time units.
  • the first information indicates that 5 reference signal resources (such as reference signal resources A, B, C, D, and E) in the first set are transmitted in 3 time units, and the first indication information includes 5 first values, The five first values are 0, 0, 1, 2, and 2 respectively, and the five first values correspond to the five reference signal resources in sequence.
  • 5 reference signal resources such as reference signal resources A, B, C, D, and E
  • the first indication information includes 5 first values
  • the five first values are 0, 0, 1, 2, and 2 respectively, and the five first values correspond to the five reference signal resources in sequence.
  • the terminal device can determine the reference signal resources according to the first indication information A and B are separated from the first time unit of the three time units by 0 time units, indicating that the reference signal resources A and B are transmitted in the first time unit of the three time units; the reference signal resource C and the The first time unit in the three time units is separated by one time unit, indicating that the reference signal resource C is transmitted in the second time unit of the three time units; the reference signal resources D and E are related to the three time units.
  • the first time unit in the unit is separated by two time units, indicating that the reference signal resources D and E are transmitted in the third time unit among the three time units, but the present application is not limited to this.
  • the terminal device may determine, according to the first information, the L reference signal resources indicated by the network device and the N time units indicated by the network device for transmitting the L reference signal resources.
  • whether the L reference signal resources can be transmitted also needs to determine K time units in the N time units that can transmit resources in the L reference signal resources according to the priority of the resources in actual communication in S230.
  • the terminal device determines, according to the priorities of the resources in the N time units, to transmit at least one reference signal resource among the L reference signal resources in K time units of the N time units.
  • the first information indicates that one reference signal resource (for example, reference signal resource A) is transmitted in three consecutive time units, and the reference signal resource A occupies symbols 10, 11, 12, and 13 in each time unit. There are 4 symbols in total, and the 3 time units are time units n+M, n+M+1, and n+M+2.
  • the symbols 10 and 11 in the time unit n+M are not uplink symbols, so the reference signal resources and symbols 10, 11, 12, and 13 in the time unit n+M+1 cannot be transmitted. Both are downlink symbols, therefore, the reference signal resource A cannot be transmitted in this time unit.
  • the terminal device can determine the resources in the 2 transmission reference signal resource A in the 3 time units, that is to say, transmit some resources of the reference signal resource A in symbols 13 and 14 in the time unit n+M, All resources of reference signal resource A are transmitted in time unit n+M+2.
  • the present application is not limited to this.
  • the first information indicates that 2 reference signal resources in the first set, reference signal resource A and reference signal resource B, are transmitted once in each of the N time units, and the reference signal resources in the N time units are transmitted once.
  • the 2 symbols occupied by the reference signal resource A in one time unit need to transmit the PUCCH, that is, the reference signal resource A and the PUCCH resource overlap.
  • the PUCCH is transmitted on the 2 symbols in the unit, and the reference signal resource A is not transmitted in this time unit, and only the reference signal resource B is transmitted.
  • the other time units in the N time units may be used for transmitting the two reference signal resources in the first set.
  • the terminal device determines to transmit the resources in the 2 reference signal resources in the N time units, wherein only the reference signal resource B is transmitted in one time unit, and the 2 reference signals in the first set are transmitted once in other time units. resource.
  • the present application is not limited to this.
  • the terminal device sends at least one reference signal resource among the L reference signal resources to the network device in the K time units.
  • the terminal device After the terminal device determines in S240 K time units in the N time units that can actually transmit at least one reference signal resource among the L reference signal resources, the terminal device sends the L reference signal resources to the network device in the K time units. At least one reference signal resource in the signal resources.
  • the network device receives at least one reference signal resource in the L time units from the terminal device in the K time units.
  • the terminal device can transmit at least one reference signal resource among the L reference signal resources in N time units according to the instruction of the network device.
  • This enables the terminal device to transmit the quantity of reference signal resources that meet the demand in time, and to complete functions such as measurement or detection of the reference signal resources in time.
  • the reliability of reference signal resource transmission is improved. It is possible to configure a reference signal resource set for terminal devices with different capabilities, support the transmission of reference signal resources in a cross-slot mode, ensure timeliness, reduce signaling overhead and improve the probability of successful transmission of reference signal resources.
  • the network can flexibly trigger the transmission of reference signal resources through the method provided in this application, and flexibly control the complexity of scheduling and implementation.
  • the network can configure multiple SRS flexible triggering modes for the terminal. For example, the transmission of SRS resources across time slots can support more continuous OFDM symbol configurations, support triggering multiple SRS resources in one time slot, support detection of larger channel bandwidth in frequency hopping scenarios, and make rational use flexible The convenience of time slots. It can also increase the successful transmission of SRS, and meet the requirement of triggering a large number of SRS resources under special circumstances.
  • Cross-slot transmission of aperiodic SRS resource sets with antenna switching which can configure an aperiodic SRS resource set for UEs with different capabilities and support the transmission of all SRS resources in a cross-slot mode, ensuring timeliness while reducing signaling overhead and improving SRS Successful transfer of the resource.
  • the network can flexibly trigger the transmission of the SRS through the present application, and flexibly control the complexity of scheduling and implementation.
  • FIG. 10 is a schematic block diagram of a communication apparatus provided by an embodiment of the present application.
  • the communication apparatus 1000 may include a processing unit 1010 and a transceiver unit 1020 .
  • the communication apparatus 1000 may correspond to the terminal equipment in the above method embodiments, that is, UE, or a chip configured (or used) in the terminal equipment.
  • the communication apparatus 1000 may correspond to the terminal device in the method 200 according to the embodiment of the present application, and the communication apparatus 1000 may include a unit for executing the method performed by the terminal device in the method 200 in FIG. 2 . Moreover, each unit in the communication apparatus 1000 and the other operations and/or functions mentioned above are respectively to implement the corresponding flow of the method 200 in FIG. 2 .
  • the transceiver unit 1020 in the communication apparatus 1000 may be an input/output interface or circuit of the chip, and the processing in the communication apparatus 1000 Unit 1010 may be a processor in a chip.
  • the communication apparatus 1000 may further include a processing unit 1010, and the processing unit 1010 may be used to process instructions or data to implement corresponding operations.
  • the communication device 1000 may further include a storage unit 1030, the storage unit 1030 may be used to store instructions or data, and the processing unit 1010 may execute the instructions or data stored in the storage unit, so as to enable the communication device to implement corresponding operations , the transceiver unit 1020 in the communication apparatus 1000 in the communication apparatus 1000 may correspond to the transceiver 1110 in the terminal equipment 1100 shown in FIG. 11 , and the storage unit 1030 may correspond to the terminal equipment 1100 shown in FIG. 11 . in the memory.
  • the transceiver unit 1020 in the communication apparatus 1000 may be implemented through a communication interface (such as a transceiver or an input/output interface), for example, it may correspond to the terminal shown in FIG. 11 .
  • the transceiver 1110 in the device 1100, the processing unit 1010 in the communication device 1000 may be implemented by at least one processor, for example, may correspond to the processor 1120 in the terminal device 1100 shown in FIG.
  • the processing unit 1010 may be implemented by at least one logic circuit.
  • the communication apparatus 1000 may correspond to the network equipment in the above method embodiments, for example, or a chip configured (or used in) the network equipment.
  • the communication apparatus 1000 may correspond to the network device in the method 200 according to the embodiment of the present application, and the communication apparatus 1000 may include a unit for executing the method performed by the network device in the method 200 in FIG. 2 . Moreover, each unit in the communication apparatus 1000 and the other operations and/or functions mentioned above are respectively to implement the corresponding flow of the method 200 in FIG. 2 .
  • the transceiver unit in the communication device 1000 is an input/output interface or circuit in the chip
  • the processing unit in the communication device 1000 1010 may be a processor in a chip.
  • the communication apparatus 1000 may further include a processing unit 1010, and the processing unit 1010 may be used to process instructions or data to implement corresponding operations.
  • the communication apparatus 1000 may further include a storage unit 1030, which may be used to store instructions or data, and the processing unit may execute the instructions or data stored in the storage unit 1030 to enable the communication apparatus to implement corresponding operations.
  • the storage unit 1030 in the communication apparatus 1000 may correspond to the memory in the network device 1200 shown in FIG. 12 .
  • the transceiver unit 1020 in the communication apparatus 1000 may be implemented through a communication interface (such as a transceiver or an input/output interface), for example, may correspond to the network shown in FIG. 12
  • the transceiver 1210 in the device 1200, the processing unit 1010 in the communication device 1000 may be implemented by at least one processor, for example, may correspond to the processor 1220 in the network device 1200 shown in FIG.
  • the processing unit 1010 may be implemented by at least one logic circuit.
  • FIG. 11 is a schematic structural diagram of a terminal device 1100 provided by an embodiment of the present application.
  • the terminal device 1100 may be applied to the system as shown in FIG. 1 to perform the functions of the terminal device in the foregoing method embodiments.
  • the terminal device 1100 includes a processor 1120 and a transceiver 1110 .
  • the terminal device 1100 further includes a memory.
  • the processor 1120, the transceiver 1110 and the memory can communicate with each other through an internal connection path to transmit control and/or data signals, the memory is used to store computer programs, and the processor 1120 is used to execute the computer in the memory. program to control the transceiver 1110 to send and receive signals.
  • the above-mentioned processor 1120 may be combined with the memory to form a processing device, and the processor 1120 is configured to execute the program codes stored in the memory to realize the above-mentioned functions.
  • the memory may also be integrated in the processor 1120 or independent of the processor 1120 .
  • the processor 1120 may correspond to the processing unit in FIG. 10 .
  • the transceiver 1110 described above may correspond to the transceiver unit in FIG. 10 .
  • the transceiver 1110 may include a receiver (or receiver, receiving circuit) and a transmitter (or transmitter, transmitting circuit). Among them, the receiver is used for receiving signals, and the transmitter is used for transmitting signals.
  • the terminal device 1100 shown in FIG. 11 can implement various processes involving the terminal device in the embodiment of the method 200 in FIG. 2 .
  • the operations and/or functions of each module in the terminal device 1100 are respectively to implement the corresponding processes in the foregoing method embodiments.
  • the above-mentioned processor 1120 may be used to perform the actions described in the foregoing method embodiments that are implemented internally by the terminal device, and the transceiver 1110 may be used to perform the operations described in the foregoing method embodiments that the terminal device sends to or receives from the network device. action.
  • the transceiver 1110 may be used to perform the operations described in the foregoing method embodiments that the terminal device sends to or receives from the network device. action.
  • the above-mentioned terminal device 1100 may further include a power supply for providing power to various devices or circuits in the terminal device.
  • the terminal device 1100 may further include one or more of an input unit, a display unit, an audio circuit, a camera, a sensor, etc., and the audio circuit may also include a speaker, a microphone, etc. Wait.
  • FIG. 12 is a schematic structural diagram of a network device provided by an embodiment of the present application.
  • the network device 1200 may be applied to the system shown in FIG. 1 to perform the functions of the network device in the foregoing method embodiments.
  • the terminal device 1200 includes a processor 1220 and a transceiver 1210 .
  • the network device 1200 further includes a memory.
  • the processor 1220, the transceiver 1210 and the memory can communicate with each other through an internal connection path to transmit control and/or data signals, the memory is used to store computer programs, and the processor 1220 is used to execute the computer in the memory. program to control the transceiver 1210 to send and receive signals.
  • the network device 1200 shown in FIG. 12 can implement various processes involving the network device in the method 200 in FIG. 2 .
  • the operations and/or functions of each module in the network device 1200 are respectively to implement the corresponding processes in the foregoing method embodiments.
  • the network device 1200 shown in FIG. 12 is only a possible architecture of the network device, and should not constitute any limitation to the present application.
  • the methods provided in this application may be applicable to network devices of other architectures.
  • network equipment including CU, DU, and AAU, etc. This application does not limit the specific architecture of the network device.
  • An embodiment of the present application further provides a processing apparatus, including a processor and an interface, where the processor is configured to execute the method in any of the foregoing method embodiments.
  • the above-mentioned processing device may be one or more chips.
  • the processing device may be a field programmable gate array (FPGA), an application specific integrated circuit (ASIC), a system on chip (SoC), or a It is a central processing unit (CPU), a network processor (NP), a digital signal processing circuit (DSP), or a microcontroller (microcontroller unit). , MCU), it can also be a programmable logic device (PLD) or other integrated chips.
  • FPGA field programmable gate array
  • ASIC application specific integrated circuit
  • SoC system on chip
  • MCU microcontroller unit
  • MCU programmable logic device
  • PLD programmable logic device
  • each step of the above-mentioned method can be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software.
  • the steps of the methods disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware processor, or executed by a combination of hardware and software modules in the processor.
  • the software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • 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, detailed description is omitted here.
  • the processor in this embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above method embodiments may be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software.
  • the aforementioned processors may be general purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components .
  • DSPs digital signal processors
  • ASICs application specific integrated circuits
  • FPGAs field programmable gate arrays
  • the methods, steps, and logic block diagrams disclosed in the embodiments of this application can be implemented or executed.
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • 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 present application also provides a computer program product, the computer program product includes: computer program code, when the computer program code is executed by one or more processors, makes the device including the processor The method in the above embodiment is performed.
  • the present application further provides a computer-readable storage medium, where the computer-readable storage medium stores program codes, and when the program codes are executed by one or more processors, the processing includes the processing
  • the device of the controller executes the method in the above-mentioned embodiment.
  • the present application further provides a system, which includes the aforementioned one or more network devices.
  • the system may further include one or more of the aforementioned terminal devices.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are only illustrative.
  • the division of the modules is only a logical function division. In actual implementation, there may be other division methods.
  • multiple modules may be combined or integrated into Another system, or some features can be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of modules may be in electrical, mechanical or other forms.

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Abstract

Des modes de réalisation de la présente demande concernent un procédé de transmission de ressource de signal de référence, un appareil, et un support de stockage, ledit procédé faisant appel aux étapes suivantes : un dispositif terminal recevant des premières informations en provenance d'un dispositif de réseau, lesdites premières informations indiquant la transmission de L ressources de signal de référence dans N unités de temps, L et N étant des nombres entiers positifs et N ≥ 2. L'invention améliore la fiabilité de transmission de ressource de signal de référence.
PCT/CN2020/141812 2020-12-30 2020-12-30 Procédé de transmission de ressource de signal de référence, appareil, et support de stockage WO2022141299A1 (fr)

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CN202080108222.9A CN116636169A (zh) 2020-12-30 2020-12-30 参考信号资源的传输方法、设备及存储介质

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