WO2022253271A1 - Procédé et appareil d'envoi de ressource srs, et équipement utilisateur et support d'enregistrement - Google Patents

Procédé et appareil d'envoi de ressource srs, et équipement utilisateur et support d'enregistrement Download PDF

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WO2022253271A1
WO2022253271A1 PCT/CN2022/096606 CN2022096606W WO2022253271A1 WO 2022253271 A1 WO2022253271 A1 WO 2022253271A1 CN 2022096606 W CN2022096606 W CN 2022096606W WO 2022253271 A1 WO2022253271 A1 WO 2022253271A1
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srs resource
symbol
offset
srs
time slot
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PCT/CN2022/096606
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English (en)
Chinese (zh)
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施源
刘昊
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维沃移动通信有限公司
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Publication of WO2022253271A1 publication Critical patent/WO2022253271A1/fr

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    • 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
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • 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

Definitions

  • the present application belongs to the technical field of communications, and in particular relates to a method, device, user equipment and storage medium for sending SRS resources.
  • the user equipment In the communication system, for high-speed transmission scenarios, the user equipment (User Equipment, UE) needs to send relatively dense sounding reference signal (Sounding Reference Signal, SRS) to obtain downlink channel state information (Downlink Channel State Information, DL CSI),
  • SRS Sounding Reference Signal
  • DL CSI Downlink Channel State Information
  • the channel information for a subsequent period of time can be predicted/determined according to the DL CSI, so as to reduce resource overhead.
  • the UE implements intensive transmission of multiple SRS resources by configuring multiple resource sets or multiple resources, that is, configuring one resource set or one resource for each SRS resource, so the UE sends multiple SRS resources can only be sent on the respective configured resource sets or resources; or, when the UE sends SRS resources, all ports in the SRS resources can only be sent on one symbol; in this way, the flexibility of the UE to send SRS resources is poor.
  • Embodiments of the present application provide a method, device, user equipment, and storage medium for sending SRS resources, which can solve the problem of poor flexibility for UEs to send SRS resources.
  • a method for sending SRS resources includes: UE sends SRS resources or SRS resources in an SRS set according to target information; wherein the target information includes at least one of the following: first information and second information , the first information is used to indicate the time domain position of the SRS resource, and the second information is used to indicate the time domain density or time domain transmission pattern of the SRS resource; the first information includes at least one of the following: SRS resource association/configuration time slot offset Shift, SRS resource associated/configured symbol offset, SRS resource set associated/configured time slot offset, SRS resource set associated/configured symbol offset, SRS resource associated/configured cycle offset parameter
  • the second information includes at least one of the following: symbol-level comb value, symbol-level comb offset, time-domain duration, time-domain transmission times, and time-domain transmission pattern.
  • a method for sending SRS resources includes: a UE sends multiple ports of SRS resources on multiple symbols, or multiple ports of SRS resources in an SRS set.
  • an SRS resource sending device includes: a sending module.
  • the sending module is configured to send the SRS resource or the SRS resource in the SRS set according to the target information.
  • the target information includes at least one of the following: first information and second information, the first information is used to indicate the time domain position of the SRS resource, and the second information is used to indicate the time domain density or time domain transmission pattern of the SRS resource;
  • the information includes at least one of the following: SRS resource associated/configured time slot offset, SRS resource associated/configured symbol offset, SRS resource set associated/configured time slot offset, SRS resource set associated/configured The symbol offset, the period offset parameter of SRS resource association/configuration;
  • the second information includes at least one of the following: symbol level comb value, symbol level comb offset, time domain duration, time domain transmission times , Time domain sending pattern.
  • an SRS resource sending device configured to send multiple ports of the SRS resource, or multiple ports of the SRS resource in the SRS set, on multiple symbols.
  • a UE in a fifth aspect, includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor, when the program or instruction is executed by the processor Implement the steps of the method described in the first aspect, or implement the steps of the method described in the second aspect.
  • a UE including a processor and a communication interface, wherein the communication interface is used to send an SRS resource or an SRS resource in an SRS set according to target information.
  • the target information includes at least one of the following: first information and second information, the first information is used to indicate the time domain position of the SRS resource, and the second information is used to indicate the time domain density or time domain transmission pattern of the SRS resource;
  • the information includes at least one of the following: SRS resource associated/configured time slot offset, SRS resource associated/configured symbol offset, SRS resource set associated/configured time slot offset, SRS resource set associated/configured The symbol offset, the period offset parameter of SRS resource association/configuration;
  • the second information includes at least one of the following: symbol level comb value, symbol level comb offset, time domain duration, time domain transmission times , Time domain sending pattern.
  • a UE including a processor and a communication interface, where the communication interface is used to send multiple ports of SRS resources on multiple symbols, or multiple ports of SRS resources in an SRS set.
  • a readable storage medium is provided, and programs or instructions are stored on the readable storage medium, and when the programs or instructions are executed by a processor, the steps of the method described in the first aspect are realized, or the steps of the method described in the first aspect are realized, or The steps of the method described in the third aspect.
  • a ninth aspect provides a chip, 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, and implement the method as described in the first aspect , or implement the method described in the second aspect.
  • a computer program/program product is provided, the computer program/program product is stored in a non-volatile storage medium, and the program/program product is executed by at least one processor to implement the first aspect
  • the UE may send the SRS resource or the SRS resource in the SRS set according to the target information, the target information includes first information and/or second information, and the first information is used to indicate/configure the time domain of the SRS resource location, the second information is used to indicate/configure the time-domain density or time-domain transmission pattern of the SRS resource.
  • the UE when sending multiple SRS resources, the UE can send SRS resources according to the target information for/capable of sending multiple SRS resources, instead of sending them separately on the respective configured resource sets or resources
  • the SRS resource realizes the scheme of sending SRS resources in a centralized manner, and improves the flexibility of SRS resource configuration and the flexibility of UE sending SRS resources.
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • FIG. 2 is one of the schematic diagrams of a method for sending SRS resources provided by an embodiment of the present application
  • FIG. 3 is the second schematic diagram of a method for sending SRS resources provided by an embodiment of the present application.
  • FIG. 4 is one of the schematic structural diagrams of an SRS resource sending device provided in an embodiment of the present application.
  • FIG. 5 is a second structural schematic diagram of an SRS resource sending device provided in an embodiment of the present application.
  • FIG. 6 is a third structural schematic diagram of an SRS resource sending device provided by an embodiment of the present application.
  • FIG. 7 is a fourth structural schematic diagram of an apparatus for sending SRS resources provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a hardware structure of a communication device provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a hardware structure of a UE 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.
  • the following description describes the New Radio (New Radio, NR) system for example 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 (6th Generation , 6G) communication system.
  • 6th Generation 6th Generation
  • FIG. 1 shows a schematic structural diagram of a wireless communication system to which this embodiment of the present application is applicable.
  • the wireless communication system includes UE 11 and network side equipment 12.
  • UE 11 can also be called terminal equipment or terminal
  • UE 11 can be mobile phone, tablet computer (tablet computer), laptop computer (laptop computer) or notebook computer, personal digital assistant (Personal Digital Assistant, PDA) , handheld computer, netbook, ultra-mobile personal computer (Ultra-Mobile Personal Computer, UMPC), mobile Internet device (MOBILE INTERNET DEVICE, MID), wearable device (wearable device) or vehicle-mounted equipment (VUE), pedestrian terminal (PUE ) and other terminal-side devices, and wearable devices include: smart watches, bracelets, earphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, where a base station may be called a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN access point, WiFi node, transmission 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 specific technical terms. It should be noted that in the embodiment of this application, only The base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • the UE After the UE is configured with a periodic uplink sounding reference signal (SRS), it sends the SRS according to the configured period, and its transmission bandwidth, frequency domain position, transmission comb (transmission comb) and other parameters are controlled by Radio Resource Control (RRC) configuration.
  • SRS periodic uplink sounding reference signal
  • RRC Radio Resource Control
  • the aperiodic SRS is sent by the UE after being dynamically triggered.
  • the bandwidth, frequency domain position, transmission comb and other parameters of the aperiodic SRS are configured in advance by the RRC.
  • the configuration parameters of the semi-persistent SRS are similar to those of the periodic SRS.
  • the UE can only send the semi-persistent SRS after being activated until it is deactivated.
  • the frequency domain information RRC parameters of SRS are as follows:
  • the transmission comb can be configured as 2 or 4; when the transmission comb is 2, there are two comb offset values/amount (comb offset), and when the transmission comb is 4, there are four comb offset values;
  • the frequency domain position is the subband position sent for the first time in the case of SRS FM transmission
  • the frequency domain shift indicates that within a bandwidth part (Bandwidth Part, BWP) in a physical resource block (physical resource block, PRB) is the offset value in units
  • the frequency hopping pattern is determined by the c-SRS, b-SRS, and b-hop values.
  • the frequency domain position is 0, it means that the UE sends the first subband for the first time, and then jumps to the second subband to send SRS. If the frequency domain position is 1, it means that the UE sends the second subband for the first time, and then jumps to the second subband.
  • One subband transmits SRS.
  • the UE sends SRS on the first comb.
  • 1 PRB has 12 subcarriers
  • a comb offset value of 0 indicates that SRS is sent on even subcarriers
  • a comb offset value of 1 indicates that SRS is sent on odd subcarriers.
  • the transmission comb is configured by RRC, that is, static configuration.
  • frequency modulation is performed according to the following formula:
  • n SRS is the number of times to send SRS
  • Aperiodic SRS resource set (resource set):
  • the network device is configured through RRC: the RRC parameter SRS resource set contains the resource type field. If the field is configured as aperiodic, the aperiodic SRS-resource trigger (aperiodic SRS-resource trigger) and aperiodic SRS resource trigger list are included in the aperiodic field. (aperiodic SRS-resource trigger list), respectively select one or two of the trigger candidate states (1, 2, 3) as the trigger state (trigger state) of the set.
  • aperiodic SRS-resource trigger list respectively select one or two of the trigger candidate states (1, 2, 3) as the trigger state (trigger state) of the set.
  • the network device is activated through downlink control information (Downlink Control Information, DCI): SRS request (request) is used to indicate the trigger state for the SRS request (request) that is not configured as a supplementary uplink (Supplementary Uplink, SUL) in the cell; The cell is configured as SUL, 1 bit is used for non-SUL/SUL indication, and 2 bits are used to indicate trigger state.
  • DCI Downlink Control Information
  • SRS request (request) is used to indicate the trigger state for the SRS request (request) that is not configured as a supplementary uplink (Supplementary Uplink, SUL) in the cell;
  • the cell is configured as SUL, 1 bit is used for non-SUL/SUL indication, and 2 bits are used to indicate trigger state.
  • For usage codebook (codebook)/antenna switching (antenna switching), the minimum time interval between the last symbol of the activated Physical Downlink Control Channel (PDCCH) and the activated SRS resource is N2 .
  • the minimum time interval between the last symbol of the activated PDCCH and the activated SRS resource is N2+14.
  • the unit of N2 is a symbol (symbol), and is calculated according to the smallest SCS among the PDCCH and activated SRS resources.
  • n slot receives DCI for active aperiodic SRS.
  • SRS resources are at Transmission on a time slot, for example, when the SRS in the activated cell (cell) is configured with a carrier aggregation (Carrier Aggregation, CA) time slot offset/value (slot offset); or, the SRS resource is in time slot transmission.
  • k is the time slot offset configured in the SRS set, which supports 0 to 32 time slots; it is related to the sub-carrier spacing (Sub-Carrier Spacing, SCS) of the PDCCH and the triggered SRS.
  • the UE will find the first time slot that can be used to send SRS after starting from the specified time slot position to send the SRS.
  • SRS wherein the designated time slot position is determined according to the PDCCH used for triggering and the time slot offset configured on the triggered SRS.
  • the network device configures Quasi Co-Location (QCL) of resources through RRC signaling; RRC configures trigger state.
  • the media access control layer control unit Media Access Control-Control Element, MAC CE selects the trigger state subset, and the DCI triggers the CSI-RS trigger state.
  • the network device triggers the aperiodic CSI report by triggering the trigger state, thereby triggering the associated CSI-RS resources.
  • a trigger state can be associated with multiple aperiodic reports (associated report config), and an associated report config will be associated with a report config , and configure x resource sets and corresponding QCL-info (Transmission Configuration Indicator (TCI)-status identification), a report config will be configured with 1 CSI-RS resource configuration (esource config), 1 CSI - RS resource configuration can configure up to 16 CSI-RS resource sets.
  • TCI Transmission Configuration Indicator
  • n slot receives DCI for active aperiodic CSI reporting.
  • Aperiodic CSI-RS resources are in Slot transmission, for example, when the SRS in the activated cell is configured with a CA-slot offset; or, the aperiodic CSI-RS resource is in time slot transmission.
  • X is the time slot offset of the aperiodic CSI-RS resource; it is related to the PDCCH and the SCS of the triggered CSI-RS.
  • Periodic SRS resources take effect immediately after they are configured
  • Semi-persistent SRS needs to be activated through MAC CE to take effect, and can also be deactivated through MAC CE.
  • FIG. 2 shows a flowchart of the method for sending SRS resources provided in the embodiment of the present application.
  • the SRS resource sending method provided by the embodiment of the present application may include the following steps 201 and 202 .
  • Step 201 UE acquires target information.
  • step 202 the UE sends SRS resources or SRS resources in the SRS set according to the target information.
  • the above target information includes at least one of the following: first information and second information.
  • first information is used to indicate (or configure) the time domain position of the SRS resource
  • second information is used to indicate (or configure) the time domain density or the time domain transmission pattern of the SRS resource.
  • the first information includes at least one of the following: SRS resource associated/configured time slot offset, SRS resource associated/configured symbol offset, SRS resource set associated/configured time slot offset, SRS resource set Associated/configured symbol offset, SRS resource associated/configured period offset parameters.
  • the second information includes at least one of the following: symbol-level comb value (comb value), symbol-level comb offset (comb offset), time-domain duration, time-domain transmission times, and time-domain transmission pattern (pattern).
  • the SRS resource in the embodiment of the present application refers to one SRS resource or multiple SRS resources that are not a set concept, or refers to one SRS resource or multiple SRS resources in the SRS set.
  • SRS and SRS resource can be interchanged, that is, SRS and SRS resource are the same concept.
  • the foregoing first information is used to indicate/configure multiple timeslot positions and/or multiple symbol positions of the SRS resource.
  • the foregoing target information includes the first information; the SRS resource is an aperiodic SRS resource.
  • the foregoing first information includes multiple timeslot offsets of SRS resource association/configuration.
  • the UE can configure/associate multiple slot offsets (slot offsets) for the aperiodic SRS resources (SRS resources in the aperiodic SRS resource set), and the UE can configure/associate multiple slot offsets according to the configuration/association Send aperiodic SRS resources.
  • the foregoing target information includes the first information; the SRS resource is an aperiodic SRS resource.
  • the foregoing first information includes multiple symbol offsets of SRS resource association/configuration.
  • the UE may configure/associate multiple symbol offsets for the aperiodic SRS resource, and the UE may send the aperiodic SRS resource according to the configured/associated multiple symbol offsets.
  • the foregoing target information includes the first information; the SRS resource is an aperiodic SRS resource.
  • the foregoing first information includes a time slot offset associated/configured with SRS resources and at least one time slot offset associated/configured with SRS resource sets.
  • the foregoing target information includes the first information; the SRS resource is an aperiodic SRS resource.
  • the first information above includes at least one time slot offset associated/configured with the SRS resource set.
  • the UE can configure/associate a time slot offset for the aperiodic SRS resource, or not configure/associate the time slot offset of the SRS resource set level; and, the UE can configure the SRS in the aperiodic SRS resource set
  • the resource is additionally configured/associated with at least one slot offset (may be referred to as an extra slot offset, extra slot offset).
  • the UE may only transmit the aperiodic SRS resource according to the additional time slot offset, that is, even if the aperiodic SRS resource is configured/associated with the time slot offset, it is ignored and not used.
  • the UE can transmit the aperiodic SRS resource according to the aperiodic SRS resource configuration/associated time slot offset and additional time slot offset, and the final sent time slot offset is equal to the aperiodic The sum of the SRS resource configuration/associated slot offset and the extra slot offset.
  • the foregoing target information includes the first information; the SRS resource is an aperiodic SRS resource.
  • the first information above includes at least one symbol offset associated/configured with the SRS resource set.
  • the foregoing target information includes the first information; the SRS resource is an aperiodic SRS resource.
  • the foregoing first information includes a time slot offset associated/configured with SRS resources and at least one symbol offset associated/configured with SRS resource sets.
  • the UE can configure/associate a time slot offset for the aperiodic SRS resource, or not configure/associate the time slot offset of the SRS resource set level; and, the UE can configure the SRS in the aperiodic SRS resource set
  • the resource is additionally configured/associated with at least one symbol offset (may be referred to as an extra symbol offset, extra symbol offset).
  • the UE may transmit the aperiodic SRS resource only according to the additional symbol offset, that is, even if the aperiodic SRS resource is configured/associated with the time slot offset, it is ignored and not used.
  • the UE may send the aperiodic SRS resource according to the configured/associated time slot offset and the extra symbol offset of the aperiodic SRS resource.
  • the additional slot offset described in the embodiment of the present application represents a normal slot offset, and may also refer to an effective slot offset (available slot offset); the additional symbol offset described in the embodiment of the present application
  • the shift represents the normal symbol offset, and can also refer to the effective symbol offset (available symbol offset).
  • the foregoing target information includes the first information; the SRS resource is an aperiodic SRS resource.
  • the foregoing first information includes at least one time slot offset and at least one symbol offset associated/configured with the SRS resource set.
  • the UE can configure/associate a time slot offset for the aperiodic SRS resource, or not configure/associate the time slot offset of the SRS resource set level; and, the UE can configure the SRS in the aperiodic SRS resource set
  • the resources are additionally configured/associated with at least one slot offset (may be referred to as an additional slot offset) and at least one symbol offset (may be referred to as an additional symbol offset).
  • the UE may send the aperiodic SRS resource according to the extra time slot offset and the extra symbol offset.
  • the at least one time slot offset indicates the time domain position of the SRS resource
  • the above At least one symbol offset indicates the symbol position of the SRS resource on one slot.
  • the number of SRS resource transmissions is determined by the number of at least one time slot offset and at least A number of symbol offsets is determined.
  • the number of SRS resource transmissions is equal to the number of at least one time slot offset and at least The product of the quantity of a symbol offset, at this time, no SRS resource is sent at the start position of the symbol configured by the SRS resource.
  • the number of SRS resource transmissions is equal to the number of at least one time slot offset and the target The product of the number (that is, the number of at least one symbol offset plus 1), at this time, the SRS resource is sent at the symbol start position of the SRS resource configuration.
  • the above target information includes the first information; the SRS resource is a periodic SRS resource or a semi-persistent SRS resource.
  • the foregoing first information includes multiple period offset parameters of SRS resource association/configuration.
  • the UE can configure/associate multiple periodicity and offset parameters for periodic or semi-persistent SRS resources, and the UE can perform periodicity or semi-persistent SRS resources according to the configured/associated multiple periodicity offset parameters. send.
  • the periods determined by the above multiple period offset parameters are the same.
  • the time slot offsets determined by the above multiple cycle offset parameters are different.
  • the above target information includes the first information;
  • the SRS resource is a periodic SRS resource or a semi-persistent SRS resource.
  • the first information above includes a cycle offset parameter and at least one time slot offset of SRS resource association/configuration.
  • the above target information includes the first information; the SRS resource is a periodic SRS resource or a semi-persistent SRS resource.
  • the foregoing first information includes at least one time slot offset of SRS resource association/configuration.
  • the UE may configure/associate a periodic offset parameter for periodic or semi-persistent SRS resources, and additionally configure at least one slot offset (may be called an additional slot offset).
  • the UE may send periodic or semi-persistent SRS resources according to the additional time slot offset.
  • the UE can send periodic or semi-persistent SRS resources according to the periodic or semi-persistent SRS resource configuration/associated periodic offset parameter and additional time slot offset.
  • a value of the at least one time slot offset is smaller than a period value determined by a period offset parameter.
  • the cycle value determined by the cycle offset parameter is 2, and the value range of the at least one time slot offset is 0 to 1.
  • the above target information includes the first information;
  • the SRS resource is a periodic SRS resource or a semi-persistent SRS resource.
  • the first information above includes a period value and at least one time slot offset, the period value is a period value included in a period offset parameter associated/configured with SRS resources, and the at least one time slot offset is a The time slot offset included in the time slot offset sequence, the one time slot offset sequence is the time slot offset sequence included in the one period offset parameter.
  • the UE may configure/associate a period offset parameter for periodic or semi-persistent SRS resources, and the period offset parameter includes a period value and a time slot offset sequence, and the time slot offset The sequence includes at least one slot offset.
  • the UE may send periodic or semi-persistent SRS resources according to the periodic value in the periodic offset parameter of the periodic or semi-persistent SRS resource configuration/association and at least one slot offset in the slot offset sequence.
  • the values of the time slot offsets in the foregoing one time slot offset sequence are all smaller than the period value determined by the period offset parameter.
  • the period value determined by the period offset parameter is 2, and the value range of the time slot offset in the time slot offset sequence is 0 to 1.
  • the above target information includes the first information;
  • the SRS resource is a periodic SRS resource or a semi-persistent SRS resource.
  • the foregoing first information includes at least one symbol offset of SRS resource association/configuration.
  • the above target information includes the first information;
  • the SRS resource is a periodic SRS resource or a semi-persistent SRS resource.
  • the foregoing first information includes a cycle offset parameter of SRS resource association/configuration and at least one symbol offset of SRS resource association/configuration.
  • the UE may configure/associate a periodic offset parameter for the periodic or semi-persistent SRS resource, and additionally configure at least one symbol offset (may be referred to as an additional symbol offset).
  • the UE may send periodic or semi-persistent SRS resources according to the additional symbol offset.
  • the UE may send periodic or semi-persistent SRS resources according to the periodic or semi-persistent SRS resource configuration/associated periodic offset parameter and additional symbol offset.
  • the above target information includes the first information; the SRS resource is a periodic SRS resource or a semi-persistent SRS resource.
  • the above first information includes a period offset parameter, at least one time slot offset and at least one symbol offset of SRS resource association/configuration.
  • the UE may configure/associate a periodic offset parameter for periodic or semi-persistent SRS resources, and additionally configure at least one slot offset (which may be called an additional slot offset) and at least one symbol offset (could be called extra symbol offset).
  • the UE may send periodic or semi-persistent SRS resources according to the periodic or semi-persistent SRS resource configuration/associated periodic offset parameters, additional time slot offset, and extra symbol offset.
  • the above one cycle offset parameter when the first information includes the above one cycle offset parameter, at least one time slot offset and at least one symbol offset, the above one cycle offset parameter
  • the time slot offset is not used to determine the sending time slot of the SRS resource (that is, the time slot offset in the one period offset parameter is not used).
  • the number of times the SRS resource is sent is any of the following :
  • the number of times the SRS resource is sent is equal to the product of the number of at least one slot offset and the number of at least one symbol offset, and the SRS resource is not sent at the start position of the symbol configured by the SRS resource;
  • the number of times the SRS resource is sent is equal to the product of the number of at least one slot offset and the first number, and the SRS resource is sent at the symbol start position of the SRS resource configuration;
  • the number of times the SRS resource is sent is equal to the product of the second number and the number of at least one symbol offset, and the SRS resource is not sent at the starting position of the symbol configured by the SRS resource;
  • the number of times the SRS resource is sent is equal to the product of the second number and the first number, and the SRS resource is sent at the symbol start position of the SRS resource configuration;
  • the first quantity is the quantity of at least one symbol offset plus 1
  • the second quantity is the quantity of at least one time slot offset plus 1.
  • the time slot offset and the at least one time slot offset in the above period offset parameter both indicate a time slot position offset of the SRS resource.
  • the at least one symbol offset indicates a symbol position offset of the SRS resource in one time slot.
  • time slot offset and the additional time slot offset in the cycle offset parameter indicate the time slot position offset of the periodic or semi-persistent SRS resource
  • additional symbol offset indicates the periodic or semi-persistent SRS resource Symbol position offset on a slot.
  • the SRS resource is sent or not sent at the symbol start position of the above SRS resource configuration.
  • periodic or semi-persistent SRS resources are not sent at the symbol start position of the periodic or semi-persistent SRS resource configuration (that is, the symbol position indicated by the start position); or, the symbol start position of the periodic or semi-persistent SRS resource configuration Location normal sending period or semi-persistent SRS resource.
  • the foregoing first information further includes at least one of the following: a reference time slot and a reference symbol.
  • the reference time slot includes at least one of the following items: the time slot where the DCI triggering the SRS resource is located, the time slot where the DCI triggering the SRS resource is located plus the time slot offset of the SRS resource configuration, and the sending time slot of the first SRS resource.
  • the reference symbol includes at least one of the following items: the last symbol of the symbol position occupied by the DCI triggering the SRS resource or the first symbol after the last symbol, the symbol occupied by the first SRS resource on the transmitted time slot The last symbol of the position or the first symbol after the last symbol.
  • the UE when sending the aperiodic SRS resource, the UE may also send the aperiodic SRS resource according to the reference time slot and/or the reference symbol.
  • the time slot where the DCI that triggers the aperiodic SRS resource is located is used as the reference time slot; and/or, the last symbol of the symbol position occupied by the time slot where the DCI that triggers the aperiodic SRS resource is located or the first symbol after the last symbol symbols as reference symbols; and/or, the time slot where the DCI that triggers the aperiodic SRS resource is located plus the time slot offset of the aperiodic SRS resource configuration is used as the reference time slot; and/or, the first aperiodic SRS transmission time and/or, the last symbol or the first symbol after the last symbol of the symbol position occupied by the first aperiodic SRS on the transmitted time slot is used as the reference symbol.
  • the UE when sending the periodic/semi-persistent SRS resources, the UE may also send the periodic/semi-persistent SRS resources according to the reference slot and/or reference symbol.
  • the transmission time slot of the first period/semi-persistent SRS is used as a reference time slot; and/or, the last symbol or the first symbol after the last symbol of the symbol position occupied by the first period/semi-persistent SRS on the transmitted time slot A symbol acts as a reference symbol.
  • the sending time slot of the second SRS resource is determined by the sending time slot of the first SRS resource.
  • the transmitted symbol of the second SRS resource is determined by the last symbol or the first symbol after the last symbol of the symbol position occupied by the first SRS resource on the transmitted time slot.
  • the above-mentioned first SRS resource are determined by at least one of the following: the identification size of the SRS resource, the sequence of the time slot offset associated/configured by the SRS resource, the SRS The size of the slot offset associated/configured by resources, the symbol position order of SRS resources, the order of the symbol offsets associated/configured by the SRS resource set, the size of the symbol offset associated/configured by the SRS resource set, the SRS resource The order of the time slot offset associated/configured by the set, the size of the time slot offset associated/configured by the SRS resource set, and the order of the SRS resources (for example, determine the first SRS resource and the second SRS resource in the forward or reverse order) .
  • the foregoing target information includes second information.
  • the above-mentioned duration in the time domain is a slot duration or a symbol duration.
  • time-domain duration is in units of time slots, or in units of symbols.
  • the foregoing target information includes second information.
  • the above-mentioned time-domain transmission patterns include slot-level patterns or symbol-level patterns.
  • the foregoing time domain duration or number of time domain transmissions is implemented by repeated transmission (repetition).
  • the size of the above-mentioned time-domain transmission pattern is a bitmap (bitmap), and the number of bits (bits) of the bitmap is equal to the symbol and/or time occupied by the SRS resource starting from the starting position.
  • bitmap bitmap
  • bits bits
  • the above-mentioned time domain duration or time domain transmission pattern is determined by at least one of the following (the time domain duration or time domain transmission pattern can be calculated from the following starting position): to trigger aperiodic SRS
  • the time slot and/or symbol of the DCI of the resource is the starting position
  • the starting position is the time slot and/or symbol of the DCI triggering the aperiodic SRS resource plus the time slot offset
  • the time slot of the semi-persistent SRS resource in the MAC CE set and/or symbol is the starting position
  • the time slot and/or symbol for SRS resource transmission is the starting position.
  • the foregoing target information includes second information.
  • the above-mentioned symbol level comb value is equal to the number of symbols supported by the UE capability report (that is, the symbol level comb value is equal to the number of symbols supported by the UE capability report by default).
  • the foregoing target information includes second information.
  • the symbol positions in the above SRS resources are not valid or configured.
  • step 202 may be specifically implemented through the following step 202a.
  • step 202a the UE starts from the determined transmission time slot, takes the symbol-level comb offset as the transmission starting point, and uses the symbol-level comb value as the interval, and transmits SRS resources or SRS resources in the SRS set.
  • the SRS resource starts at the determined transmission time slot, the symbol-level comb offset is used as the starting point for transmission, and the symbol-level comb value (or the symbol-level comb value minus 1) is used as the interval.
  • the SRS resource is sent on the symbol configured to send the SRS resource.
  • the above-mentioned sending time slot is determined by at least one of the following: the time slot where the DCI triggering the aperiodic SRS resource is located, the time slot where the MAC CE that activates the semi-persistent SRS resource is located, and the received configuration period offset High-level signaling time slot and high-level signaling effective time slot, configured time slot offset, effective time slot indicated in DCI triggering aperiodic SRS resource, aperiodic SRS resource set/aperiodic SRS resource Configured effective time slot, configured cycle offset parameters.
  • the above-mentioned sending time slot (that is, the sending time slot of the aperiodic SRS resource) is determined by at least one of the following: the time slot where the DCI triggering the aperiodic SRS resource is located, the configuration The offset of the time slot, the effective time slot indicated in the DCI triggering the aperiodic SRS resource, and the effective time slot of the aperiodic SRS resource set/aperiodic SRS resource configuration.
  • the above-mentioned transmission time slot (that is, the transmission time slot of the semi-persistent SRS resource) is determined by at least one of the following: the time slot where the MAC CE of the semi-persistent SRS resource is activated, The configured period offset parameter.
  • the above-mentioned sending time slot (that is, the sending time slot of periodic SRS resource) is determined by at least one of the following: time slot and the time slot in which high-level signaling takes effect, and the configured cycle offset parameters.
  • the above-mentioned interval is an interval of actual symbols, and the actual symbols include symbols that cannot be configured for SRS resource transmission; or, the above-mentioned interval is an interval that only includes symbols that are allowed/usable for configuring SRS resource transmission.
  • all 14 symbols in one slot participate in the calculation of the symbol-level comb value; or, according to UE capabilities, for UEs that only support the last 6 symbols to send SRS resources, only the last 6 symbols participate in the symbol In the calculation of the level comb value.
  • the symbols that are allowed/available for configuring SRS resource transmission are related to UE capabilities.
  • the symbols that can be used to configure SRS resource transmission include only the last 6 symbols, and the last 6 symbols can be used for SRS resource transmission; or, the symbols that can be used to configure SRS resource transmission include all symbols , all the symbols can be used to send SRS resources; or, the symbols that can be used to configure SRS resources to send include a specific number of symbols, and the specific number of symbols can be used to send SRS resources; or, the symbols that can be used to configure SRS resources to send include A symbol of a specific pattern, which can be used for sending SRS resources.
  • the sending position of aperiodic SRS resources is determined by the effective time slot configured by the aperiodic SRS resource and/or the effective time slot indicated in the triggered aperiodic SRS resource .
  • aperiodic SRS resource when the aperiodic SRS resource of the effective time slot concept is triggered, the effective time slot configured according to the aperiodic SRS resource set (and/or the effective time slot indicated in triggering the aperiodic SRS), And according to the existing basic parameters (for example, the symbol position in the time slot, the transmission time slot of the DCI that triggers the aperiodic SRS resource, the time slot offset of the aperiodic SRS resource set configuration, etc.), determine the time slot in the aperiodic SRS resource set The sending location of the SRS resource. After the initial location of the SRS resource is determined, the method for multiple sending of the SRS resource is determined according to the above manner.
  • the foregoing target information includes second information.
  • the above-mentioned symbol level comb value is related to the symbol capability of the UE for sending SRS resources.
  • the value of the symbol level comb value is less than or equal to the number of symbols that the UE can use to send SRS resources in one time slot.
  • the foregoing target information includes second information.
  • the value range of the above symbol level comb offset is related to the symbol level comb value.
  • the value range of the symbol level comb offset is equal to 0 to the symbol level comb value minus 1, or equal to 1 to the symbol level comb value.
  • the symbol level comb value is equal to 1 by default.
  • some/all of the time slot offsets are updated or activated by the MAC CE.
  • the MAC CE can update a part of the time slot offset or all the time slot offset, and/or, the MAC CE can update at least one time slot offset (that is, the additional time slot offset displacement).
  • the MAC CE can activate part of the time slot offset and/or at least one time slot offset (that is, an additional time slot offset), and only the activated time slot offset can efficient.
  • some/all of the symbol offsets are updated or activated by the MAC CE.
  • the MAC CE may update a part of the symbol offset or all the symbol offset, and/or, the MAC CE may update at least one symbol offset (that is, an additional symbol offset).
  • the MAC CE can activate part of the symbol offset and/or at least one symbol offset (that is, an additional symbol offset), and only the activated symbol offset is valid.
  • the one time slot offset and at least one time slot offset (that is, the additional time slot offset) involved in the above embodiment it may be an active part of the time slot offset, or it may be a configuration
  • the corresponding values are equal to 0 by default.
  • some/all symbol level comb values, some/all symbol level comb offsets, time domain duration, time domain transmission times, and time domain transmission patterns are updated by the MAC CE.
  • the MAC CE may update some symbol-level comb values or all symbol-level comb values; and/or, the MAC CE may update some symbol-level comb offsets or all symbol-level comb offsets. and/or, the MAC CE can update a part of the time domain duration or the entire time domain duration; and/or, the MAC CE can update a part of the time domain transmission times or the entire time domain transmission times; and/or, the MAC CE can Update part of the time domain transmission pattern or all time domain transmission patterns.
  • the UE reports the maximum time domain duration and/or the maximum transmission interval time.
  • the maximum time domain duration is used to instruct the UE to keep the signal transmission phase consistent and/or power consistent within the time domain duration; the maximum transmission interval is used to instruct the UE to maintain the signal transmission phase between sending two SRS resources In the case of consistent and/or consistent power, the maximum time interval between two SRS resource transmissions.
  • the above-mentioned maximum time domain duration may be in time slots, symbols, seconds, minutes or milliseconds; and/or, the above-mentioned maximum transmission interval may be in time slots, symbols , seconds, minutes or milliseconds and other time units.
  • the fact that the UE maintains signal transmission phase consistency and/or power consistency within the time-domain duration can be understood as: the above-mentioned time-domain duration and/or the total duration of multiple SRS resource transmissions are less than or equal to that reported by the UE.
  • the value of the above at least one time slot offset needs to be less than or equal to the maximum transmission interval time reported by the UE; and/or, the value of the above at least one symbol offset needs to be Less than or equal to the maximum sending interval reported by the UE.
  • the SRS resource sending method described in the embodiment of the present application is effective only on the SRS resource or the SRS resource set used for antenna switching, that is, the application of the SRS resource sending method described in the embodiment of the present application In the scenario of SRS resource or SRS resource set for antenna switching.
  • the SRS resource sending method provided in the embodiment of the present application further includes the following step 203 .
  • Step 203 the UE receives the first signaling.
  • the above-mentioned first signaling is used to indicate that the transmission power of the physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) is the same as that of the SRS resource.
  • the first signaling is any one of the following: DCI for scheduling/configuring PUSCH, DCI for triggering aperiodic SRS resources, and higher layer signaling.
  • the embodiment of the present application does not limit the execution order of the above step 203 and step 202 .
  • the above step 202 may be performed first, and then the above step 203 is performed.
  • the above step 202 and step 203 may be performed simultaneously.
  • the above step 203 may be performed first, and then the above step 202 may be performed.
  • signaling can be added to indicate that the transmission power of PUSCH is consistent with that of SRS resources, and the transmission power of PUSCH can be indicated in the DCI of scheduling/configuring PUSCH to be consistent with the transmission power of SRS resources;
  • the DCI of the periodic SRS or high-level signaling indicates that the transmission power of the SRS resource is consistent with the transmission power of the PUSCH.
  • multiplexing of PUSCH and SRS resources is allowed.
  • the multiplexing method of PUSCH and SRS resources is Time Division Multiplexing (Time Division Multiplexing, TDM), and allows PUSCH to perform rate matching on SRS resources (that is, PUSCH can perform rate matching on SRS resources).
  • TDM Time Division Multiplexing
  • An embodiment of the present application provides a method for sending SRS resources.
  • the UE can send SRS resources or SRS resources in the SRS set according to the target information.
  • the target information includes first information and/or second information, and the first information is used for indication/configuration
  • the time domain position of the SRS resource, the second information is used to indicate/configure the time domain density or the time domain transmission pattern of the SRS resource.
  • the UE when sending multiple SRS resources, the UE can send SRS resources according to the target information for/capable of sending multiple SRS resources, instead of sending them separately on the respective configured resource sets or resources
  • the SRS resource realizes the scheme of sending SRS resources in a centralized manner, and improves the flexibility of SRS resource configuration and the flexibility of UE sending SRS resources.
  • FIG. 3 shows a flowchart of the method for sending SRS resources provided in the embodiment of the present application.
  • the method for sending SRS resources provided by the embodiment of the present application may include the following step 301 .
  • the UE transmits multiple ports of SRS resources, or multiple ports of SRS resources in an SRS set, on multiple symbols.
  • one SRS resource includes multiple ports, and the UE may transmit the multiple ports in one SRS resource on multiple symbols, and one symbol corresponds to one port.
  • the above-mentioned splitting function of multiple ports is enabled in any of the following ways: enable through the port splitting transmission enable switch, and obtain the splitting function of multiple ports through a default configuration method.
  • the port splitting and sending enable switch is configured in the SRS set or SRS resource, and the port splitting function is enabled through the port splitting sending enabling switch; or, the port splitting function is obtained through the default configuration method, for example, configuring a new type of resource set IE or Resource IE, or when the SRS resource (or SRS set) configuring these new types of Resource Set IE or Resource IE is activated, it is considered that the port splitting function is enabled.
  • the number of times the SRS resource is sent is related to the number of ports of the SRS resource.
  • M refers to a repetition factor (repetition Factor), and M can be configured as 1 or equal to 1 by default; or, M can be configured as Ns or equal to Ns by default.
  • repetition Factor repetition Factor
  • Ns refers to the number of symbols (nrofsymbols), and the configured value of Ns is equal to the number of ports included in the SRS resource.
  • the splitting function of multiple ports when the splitting function of multiple ports is enabled, the splitting function of multiple ports takes effect only on aperiodic SRS resources.
  • the SRS resource sending method provided in the embodiment of the present application further includes the following step 302, step 303 or step 304.
  • Step 302 the UE configures multiple time-domain symbol positions.
  • each time-domain symbol position corresponds to a port.
  • step 302 may be specifically implemented through the following step 302a or step 302b.
  • step 302a the UE configures a plurality of starting location parameters.
  • each start position (start position) parameter among the above-mentioned multiple start position parameters corresponds to a port respectively.
  • step 302b the UE configures a starting position parameter sequence.
  • each start position parameter in the above start position parameter sequence corresponds to a port.
  • step 303 the UE configures a start position of a time-domain symbol.
  • the starting position of the above-mentioned one time-domain symbol corresponds to one port, and other ports are obtained by default, or other ports are determined by sending a symbol-level sending pattern.
  • other ports are obtained by default, and the latter port is sent on the consecutive symbols after the symbol position corresponding to the previous port; or, the latter port is sent at the symbol position corresponding to the previous port
  • the symbol position is sent at intervals of N symbols, N is a protocol agreement, and N is an integer greater than or equal to 0.
  • other ports are determined by sending a symbol-level transmission pattern (which may be a bitmap), and the symbol-level transmission pattern is the first port position after the port position determined by the time-domain symbol start position. symbols as the starting point, and the sending pattern of each symbol indicates whether it is used to send a port after port splitting.
  • bit 1 is used to indicate a port used for sending port splitting
  • bit 0 is used to indicate a port not used for sending SRS resources.
  • the symbol-level transmission pattern is configured in the SRS resource set or in the SRS resource.
  • Step 304 UE configures/indicates a start position of a time domain symbol and at least one symbol interval.
  • the start position of one time-domain symbol corresponds to one port, and other ports are determined by at least one symbol interval.
  • the above-mentioned other ports are determined by any one of the following methods: the latter port sends on the consecutive symbols after the symbol position corresponding to the previous port, and the latter port corresponds to the previous port Sending is performed at intervals of N symbols after the symbol position, where N is an integer.
  • N is an integer greater than or equal to 0.
  • the UE configures a time-domain symbol start position and configures/indicates at least one symbol interval (N1, N2, ..., Nn)
  • other ports pass through at least one symbol interval (N1, N2, ..., Nn) Determine; the latter port sends on the specified symbol after the symbol position corresponding to the previous port, and the symbol interval is an integer greater than or equal to 0; the number of at least one symbol interval (N1, N2, ..., Nn) is equal to the total
  • the number of ports of the SRS resource is reduced by 1. Except for the port corresponding to the start position of the above-mentioned one time-domain symbol, other ports are associated with one symbol interval.
  • step 302 may be performed before the above step 301 .
  • step 303 or step 304 may be performed before the above step 301 .
  • multiple single-port SRS resources are configured in each SRS resource set, and symbol positions of the multiple single-port SRS resources are different.
  • the first parameter configuration of multiple single-port SRS resources is partially or completely the same, and the first parameter configuration includes at least one of the following: comb size (comb size), comb value (comb value), cyclic shift (cyclic shift) , number of symbols (nrofsymbols), repetition factor (repetition factor), frequency domain resources, frequency hopping parameters, resource types, and spatial relationship information.
  • the symbol interval and symbol-level transmission patterns take effect only on symbols with configurable SRS resources, or take effect on all symbols, and the symbols for which the transmission pattern takes effect are related to the UE reporting capability.
  • the symbol interval and symbol-level transmission pattern take effect only on the symbols that can configure the SRS resource, it is related to the ability of the UE to configure the number and position of the symbols of the SRS resource in one slot.
  • the UE reports the maximum time domain duration and/or the maximum transmission interval time, and the maximum time domain duration is used to instruct the UE to maintain signal transmission phase consistency and/or Consistent power, the maximum transmission interval time is used to indicate the maximum time interval between two SRS resource transmissions under the condition that the UE maintains signal transmission phase consistency and/or power consistency between two SRS resource transmissions.
  • the size of the symbol interval and/or the multiple SRS transmission durations of SRS port splitting are related to UE capabilities.
  • the foregoing SRS resource or SRS resource set is in a scenario involving antenna switching, that is, a scenario of an SRS resource or an SRS resource set applied to antenna switching.
  • a specific SRS antenna switching is defined, which is different from the common 1T2R in which one radio frequency channel is switched between two antennas, and this type of specific SRS is in which two radio frequency channels are switched on two antennas.
  • An embodiment of the present application provides a method for sending an SRS resource, and a UE may send multiple ports of the SRS resource or multiple ports of the SRS resource in the SRS set on multiple symbols.
  • UE when sending SRS resources, UE can send multiple ports in SRS resources on multiple symbols, instead of only sending all ports in SRS resources on one symbol, which realizes Port split transmission facilitates calibration between ports and improves the flexibility of sending SRS resources by the UE.
  • the SRS resource transmission method provided by the embodiment of the present application may be executed by a UE, or an SRS resource transmission device, or a control module in the SRS resource transmission device for executing the SRS resource transmission method.
  • the method for sending the SRS resource performed by the UE is taken as an example to describe the method for sending the SRS resource provided in the embodiment of the present application.
  • Fig. 4 shows a possible structural diagram of an apparatus for sending SRS resources involved in the embodiment of the present application.
  • the SRS resource sending apparatus 40 may include: a sending module 41 .
  • the sending module is configured to send the SRS resource or the SRS resource in the SRS set according to the target information.
  • the target information includes at least one of the following: first information and second information, the first information is used to indicate the time domain position of the SRS resource, and the second information is used to indicate the time domain density or the time domain transmission pattern of the SRS resource.
  • the first information includes at least one of the following: SRS resource associated/configured time slot offset, SRS resource associated/configured symbol offset, SRS resource set associated/configured time slot offset, SRS resource set associated/configured Configured symbol offset, SRS resource association/configured cycle offset parameters.
  • the second information includes at least one of the following: symbol-level comb value, symbol-level comb offset, time-domain duration, time-domain transmission times, and time-domain transmission pattern.
  • the foregoing target information includes first information; and the SRS resource is an aperiodic SRS resource.
  • the above first information includes multiple timeslot offsets of SRS resource association/configuration; or,
  • the above first information includes a plurality of symbol offsets of SRS resource association/configuration; or,
  • the above first information includes a time slot offset of SRS resource association/configuration and at least one time slot offset of SRS resource set association/configuration; or,
  • the above first information includes at least one time slot offset and/or at least one symbol offset associated/configured with the SRS resource set; or,
  • the foregoing first information includes a time slot offset associated/configured with SRS resources and at least one symbol offset associated/configured with SRS resource sets.
  • the foregoing first information includes at least one time slot offset and at least one symbol offset
  • the at least one time slot offset indicates the time domain position of the SRS resource
  • the at least one symbol offset indicates the symbol position of the SRS resource in one time slot
  • the number of SRS resource transmissions is determined by the number of at least one slot offset and the number of at least one symbol offset.
  • the foregoing target information includes first information; the SRS resource is a periodic SRS resource or a semi-persistent SRS resource.
  • the above-mentioned first information includes a plurality of cycle offset parameters of SRS resource association/configuration; or,
  • the first information above includes a cycle offset parameter and at least one time slot offset for SRS resource association/configuration; or,
  • the above-mentioned first information includes at least one time slot offset or at least one symbol offset of SRS resource association/configuration; or,
  • the first information above includes a period value and at least one time slot offset, one period value is a period value included in a period offset parameter associated/configured with SRS resources, and at least one time slot offset is a time slot a sequence of slot offsets included in the offset sequence, a sequence of slot offsets being a sequence of slot offsets included in the period offset parameter; or,
  • the above first information includes a cycle offset parameter of SRS resource association/configuration and at least one symbol offset of SRS resource association/configuration;
  • the above first information includes a period offset parameter, at least one time slot offset and at least one symbol offset of SRS resource association/configuration.
  • the cycles determined by the multiple cycle offset parameters are the same; and/or, the time slot offsets determined by the multiple cycle offset parameters are different.
  • the value of the above at least one time slot offset is smaller than the period value determined by the period offset parameter; and/or, the time slot offset in the above one time slot offset sequence The values of are all smaller than the period value determined by the period offset parameter.
  • the foregoing first information includes a cycle offset parameter, at least one time slot offset, and at least one symbol offset
  • the time slot offset in the above one cycle offset parameter is not used to determine the transmission time slot of the SRS resource; and/or,
  • the number of times the SRS resource is sent is any of the following:
  • the number of times the SRS resource is sent is equal to the product of the number of at least one slot offset and the number of at least one symbol offset, and the SRS resource is not sent at the start position of the symbol configured by the SRS resource;
  • the number of times the SRS resource is sent is equal to the product of the number of at least one slot offset and the first number, and the SRS resource is sent at the symbol start position of the SRS resource configuration;
  • the number of times the SRS resource is sent is equal to the product of the second number and the number of at least one symbol offset, and the SRS resource is not sent at the starting position of the symbol configured by the SRS resource;
  • the number of times the SRS resource is sent is equal to the product of the second number and the first number, and the SRS resource is sent at the symbol start position of the SRS resource configuration;
  • the first quantity is the quantity of at least one symbol offset plus 1
  • the second quantity is the quantity of at least one time slot offset plus 1.
  • the time slot offset and the at least one time slot offset in the above period offset parameter both indicate the time slot position offset of the SRS resource; and/or, the above at least one symbol offset
  • the offset indicates the symbol position offset of the SRS resource in one time slot; and/or, the SRS resource is sent or not sent at the start position of the symbol configured by the SRS resource.
  • the foregoing first information further includes at least one of the following: a reference time slot and a reference symbol.
  • the reference time slot includes at least one of the following: the time slot where the DCI triggering the SRS resource is located, the time slot where the DCI triggering the SRS resource is located plus the time slot offset of the SRS resource configuration, and the sending time slot of the first SRS resource;
  • the reference symbol includes at least one of the following items: the last symbol of the symbol position occupied by the DCI triggering the SRS resource or the first symbol after the last symbol, the symbol occupied by the first SRS resource on the transmitted time slot The last symbol of the position or the first symbol after the last symbol.
  • the above-mentioned first SRS resource is determined by at least one of the following: the size of the identifier of the SRS resource, the sequence of the time slot offset of the SRS resource association/configuration, the time slot offset of the SRS resource association/configuration
  • the size of the offset, the symbol position sequence of SRS resources, the sequence of symbol offsets associated/configured with SRS resource sets, the size of symbol offsets associated/configured with SRS resource sets, and the slot offset associated/configured with SRS resource sets The sequence of shifts, the size of the time slot offset associated/configured with the SRS resource set, and the sequence of SRS resources.
  • the foregoing target information includes second information.
  • the time domain duration is a slot duration or a symbol duration; and/or,
  • the time-domain transmission patterns include slot-level patterns or symbol-level patterns; and/or,
  • the symbol position in the SRS resource is not in effect or configured; and/or,
  • the symbol level comb value is equal to the number of symbols supported by the UE capability report; and/or,
  • the symbol level comb value is related to the symbol capability of the UE to transmit SRS resources; and/or,
  • the value range of the symbol level comb offset is related to the symbol level comb value.
  • the above-mentioned time-domain duration or the number of time-domain transmissions is realized by repeated transmission; and/or, the size of the above-mentioned time-domain transmission pattern is a bitmap, and the number of bits of the bitmap is equal to the number of bits from the starting point At the beginning, the number of symbols and/or time slots occupied by the SRS resource, or the number of repeated transmissions; and/or, the above-mentioned time domain duration or time domain transmission pattern is determined by at least one of the following: to trigger the aperiodic SRS resource
  • the time slot and/or symbol of the DCI is the starting position
  • the time slot and/or symbol of the DCI triggering the aperiodic SRS resource plus the time slot offset is the starting position
  • the time slot of the semi-persistent SRS resource in the MAC CE set and/or Or the symbol is the starting position
  • the time slot and/or symbol for SRS resource transmission is the starting position.
  • the above-mentioned sending module 41 is specifically configured to start from the determined sending time slot, use the symbol-level comb offset as the starting point of sending, and use the symbol-level comb value as an interval to send SRS resources Or an SRS resource in an SRS collection.
  • the above sending time slot is determined by at least one of the following: the time slot where the DCI triggering the aperiodic SRS resource is located, the time slot where the MAC CE that activates the semi-persistent SRS resource is located, and the received configuration period offset Parameter high-level signaling time slot and high-level signaling effective time slot, configured time slot offset, effective time slot indicated in DCI triggering aperiodic SRS resource, aperiodic SRS resource set/aperiodic SRS resource configuration The effective time slot and configured cycle offset parameters;
  • the above interval is an interval of actual symbols, and the actual symbols include symbols that cannot be configured for SRS resources to be sent; or, the interval is an interval that only includes symbols that are allowed to be configured for SRS resources to be sent;
  • the symbols allowed to be sent by configuring SRS resources are related to UE capabilities.
  • the sending position of the aperiodic SRS resource is determined by the effective time slot configured by the aperiodic SRS resource and/or the effective time slot indicated in the trigger aperiodic SRS resource.
  • some/all of the slot offsets are updated or activated by the MAC CE; and/or, some/all of the symbol offsets are updated or activated by the MAC CE; and/or, some of the/all symbols Level comb value, part/full symbol level comb offset, time domain duration, time domain transmission times, and time domain transmission pattern are updated by MAC CE; and/or, UE reports maximum time domain duration and/or maximum Transmission interval time, the maximum time domain duration is used to instruct the UE to keep the signal transmission phase consistent and/or power consistent within the range of the time domain duration, the maximum transmission interval time is used to instruct the UE to keep the signal between sending two SRS resources In the case of consistent sending phase and/or consistent power, the maximum time interval between two SRS resource transmissions.
  • the SRS resource sending device 40 provided in the embodiment of the present application further includes: a receiving module 42 .
  • the receiving module 42 is used to receive the first signaling, and the first signaling is used to indicate that the transmission power of the PUSCH and the SRS resource are the same; wherein, the first signaling is any of the following: scheduling/configuring the DCI of the PUSCH, DCI and high-layer signaling that trigger aperiodic SRS resources.
  • multiplexing of PUSCH and SRS resources is allowed; wherein, the multiplexing mode of PUSCH and SRS resources is TDM, and PUSCH is allowed to perform rate matching on SRS resources.
  • the embodiment of the present application provides an SRS resource sending device.
  • the SRS resources can be sent according to the target information for/capable of sending multiple SRS resources, instead of only being configured in each
  • the SRS resource is sent separately on the resource set or on the resource, which realizes the scheme of sending the SRS resource in a centralized manner, and improves the flexibility of the SRS resource configuration and the flexibility of sending the SRS resource.
  • the SRS resource sending device in the embodiment of the present application is a device, a device with an operating system or a UE, and may also be a component, an integrated circuit, or a chip in the UE.
  • the apparatus or UE may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include but not limited to the types of UE 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (Personal Computer, PC), a television ( Television, TV), teller machines or self-service machines, etc., are not specifically limited in this embodiment of the present application.
  • the SRS resource sending device provided in the embodiment of the present application can realize each process implemented in the first method embodiment above, and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • FIG. 6 shows a possible structural diagram of an apparatus for sending SRS resources involved in the embodiment of the present application.
  • the SRS resource sending device 60 may include: a sending module 61.
  • the sending module 61 is configured to send multiple ports of the SRS resource, or multiple ports of the SRS resource in the SRS set, on multiple symbols.
  • the enabling manner of the splitting function of multiple ports is any of the following: enabling through a port splitting transmission enable switch, and obtaining the splitting function of multiple ports through a default configuration method.
  • the number of SRS resource transmissions is related to the number of ports of the SRS resource; and/or, each symbol or every M repeated symbols only One port among multiple ports is sent, M is a positive integer; and/or, the splitting function of multiple ports takes effect only on aperiodic SRS resources.
  • the SRS resource sending device 60 provided in the embodiment of the present application further includes: a configuration module 62 .
  • the configuration module 62 is configured to configure multiple time-domain symbol positions, each time-domain symbol position corresponds to a port; or configure a time-domain symbol start position, a time-domain symbol start position corresponds to a port, and Other ports are obtained by default, or other ports are determined by sending a symbol-level sending pattern; or, configure/indicate a time-domain symbol start position and at least one symbol interval, a time-domain symbol start position corresponds to a port, and other Ports are identified by at least one symbol interval.
  • the above-mentioned configuration module 62 is specifically used to configure multiple start position parameters, each start position parameter corresponds to a port; or configure a start position parameter sequence, a start position parameter Each start position parameter in the parameter sequence corresponds to a port.
  • the above-mentioned other ports are determined by any of the following methods: the latter port transmits on symbols consecutive to the symbol position corresponding to the previous port; Sending is performed at intervals of N symbols after the symbol position, where N is an integer.
  • the symbol interval and symbol-level transmission patterns are valid only on the symbols of the configurable SRS resources, or are valid on all symbols, and the symbols for which the transmission patterns take effect are related to the reporting capability of the UE; and/or , the UE reports the maximum time domain duration and/or the maximum transmission interval time, the maximum time domain duration is used to instruct the UE to keep the signal transmission phase consistent and/or power consistent within the range of the time domain duration, the maximum transmission interval time is used for Indicates the maximum time interval between two SRS resource transmissions when the UE keeps the signal transmission phase and/or power consistent between two SRS resource transmissions.
  • multiple single-port SRS resources are configured in each of the above SRS resource sets, and the symbol positions of the multiple single-port SRS resources are different; the first parameter configurations of the multiple single-port SRS resources are partly or all the same , the first parameter configuration includes at least one of the following: comb size, comb value, cyclic shift, number of symbols, repetition factor, frequency domain resource, frequency hopping parameter, resource type, and spatial relationship information.
  • the embodiment of the present application provides a device for sending SRS resources.
  • SRS resources When sending SRS resources, multiple ports in the SRS resource can be sent on multiple symbols, instead of only all ports in the SRS resource can be sent on multiple symbols. Sending on one symbol realizes port split sending, which facilitates calibration between ports and improves the flexibility of sending SRS resources.
  • the SRS resource sending device provided in the embodiment of the present application can realize the various processes realized in the second embodiment of the above method, and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • this embodiment of the present application further provides a communication device 500, including a processor 501, a memory 502, and programs or instructions stored in the memory 502 and operable on the processor 501,
  • a communication device 500 including a processor 501, a memory 502, and programs or instructions stored in the memory 502 and operable on the processor 501
  • the communication device 500 is a UE
  • the program or instruction is executed by the processor 501
  • various processes of the foregoing method embodiments can be implemented, and the same technical effect can be achieved.
  • the embodiment of the present application also provides a UE, including a processor and a communication interface, where the communication interface is used to send the SRS resource or the SRS resource in the SRS set according to the target information.
  • the target information includes at least one of the following: first information and second information, the first information is used to indicate the time domain position of the SRS resource, and the second information is used to indicate the time domain density or time domain transmission pattern of the SRS resource;
  • the information includes at least one of the following: SRS resource associated/configured time slot offset, SRS resource associated/configured symbol offset, SRS resource set associated/configured time slot offset, SRS resource set associated/configured The symbol offset, the period offset parameter of SRS resource association/configuration;
  • the second information includes at least one of the following: symbol level comb value, symbol level comb offset, time domain duration, time domain transmission times , Time domain sending pattern.
  • the communication interface is used to transmit multiple ports of SRS resources, or multiple ports of SRS resources in the SRS set, on multiple symbols.
  • This UE embodiment corresponds to the UE side method embodiment above, and each implementation process and implementation manner of the above method embodiment can be applied to this UE embodiment, and can achieve the same technical effect.
  • FIG. 9 is a schematic diagram of a hardware structure of a UE implementing an embodiment of the present application.
  • the UE 100 includes but is not limited to: a radio frequency unit 101, a network module 102, an audio output unit 103, an input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, and a processor 110, etc. at least some of the components.
  • the UE 100 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 110 through the power management system, so as to manage charging, discharging, and power consumption through the power management system Management and other functions.
  • a power supply such as a battery
  • the UE structure shown in FIG. 9 does not limit the UE.
  • the UE may include more or fewer components than shown in the figure, or combine certain components, or arrange different components, which will not be repeated here.
  • the input unit 104 may include a graphics processing unit (Graphics Processing Unit, GPU) 1041 and a microphone 1042, and the graphics processing unit 1041 is used by the image capturing device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 107 includes a touch panel 1071 and other input devices 1072 .
  • the touch panel 1071 is also called a touch screen.
  • the touch panel 1071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 1072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 101 receives the downlink data from the network side device, and processes it to the processor 110; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 109 can be used to store software programs or instructions as well as various data.
  • the memory 109 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 109 may include a high-speed random access memory, and may also include a nonvolatile memory, wherein the nonvolatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device.
  • the processor 110 may include one or more processing units; optionally, the processor 110 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs or instructions, etc., Modem processors mainly handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 110 .
  • the radio frequency unit 101 is configured to send the SRS resource or the SRS resource in the SRS set according to the target information.
  • the target information includes at least one of the following: first information and second information, the first information is used to indicate the time domain position of the SRS resource, and the second information is used to indicate the time domain density or time domain transmission pattern of the SRS resource;
  • the information includes at least one of the following: SRS resource associated/configured time slot offset, SRS resource associated/configured symbol offset, SRS resource set associated/configured time slot offset, SRS resource set associated/configured The symbol offset, the period offset parameter of SRS resource association/configuration;
  • the second information includes at least one of the following: symbol level comb value, symbol level comb offset, time domain duration, time domain transmission times , Time domain sending pattern.
  • An embodiment of the present application provides a UE.
  • the UE can send SRS resources according to the target information for/capable of sending multiple SRS resources, instead of only in the respectively configured resource collection.
  • the SRS resources are sent separately on the resource, which implements the solution of sending SRS resources in a centralized manner, and improves the flexibility of SRS resource configuration and the flexibility of UE sending SRS resources.
  • the radio frequency unit 101 is configured to transmit multiple ports of SRS resources on multiple symbols, or multiple ports of SRS resources in the SRS set.
  • An embodiment of the present application provides a UE.
  • the UE can send multiple ports in the SRS resource on multiple symbols, instead of only sending all the ports in the SRS resource in one symbol.
  • Uplink transmission realizes port split transmission, which facilitates calibration between ports and improves the flexibility of UE in sending SRS resources.
  • the UE provided in this embodiment of the present application can implement the various processes implemented in the first and second method embodiments above, and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a readable storage medium, the readable storage medium stores a program or an instruction, and when the program or instruction is executed by the processor, each process of the above-mentioned SRS resource transmission method embodiment is implemented, and can achieve The same technical effects are not repeated here to avoid repetition.
  • the processor is the processor in the UE described in the foregoing embodiments.
  • the readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • 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 embodiment of the method for sending SRS resources Each process, and can achieve the same technical effect, in order to avoid repetition, will not repeat them here.
  • 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.
  • 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.
  • the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , CD-ROM), including several instructions to enable a terminal (which may be a mobile phone, computer, server, air conditioner, or network-side device, etc.) to execute the methods described in various embodiments of the present application.

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

Abstract

Un procédé et un appareil d'envoi de ressources SRS, et un équipement utilisateur et un support d'enregistrement sont divulgués dans la présente demande. Le procédé consiste à : envoyer, par un UE, une ressource SRS ou une ressource SRS dans un ensemble SRS selon des informations cibles, les informations cibles comprenant au moins une des informations suivantes : des premières informations et des secondes informations, les premières informations étant utilisées pour indiquer une position de domaine temporel de la ressource SRS, et les secondes informations étant utilisées pour indiquer une densité de domaine temporel ou un profil d'envoi de domaine temporel de la ressource SRS ; les premières informations comprennent au moins un des éléments suivants : un décalage d'intervalle de temps associé à/configuré pour la ressource SRS, un décalage de symbole associé à/configuré pour la ressource SRS, un décalage d'intervalle de temps associé à/configuré pour l'ensemble de ressources SRS, un décalage de symbole associé à/configuré pour l'ensemble de ressources SRS, et un paramètre de décalage de période associé à/configuré pour la ressource SRS ; et les secondes informations comprenant au moins un des éléments suivants : une valeur de peigne de niveau de symbole, un décalage de peigne de niveau de symbole, une durée de domaine temporel, le nombre de temps d'envoi de domaine temporel, et un profil d'envoi de domaine temporel.
PCT/CN2022/096606 2021-06-02 2022-06-01 Procédé et appareil d'envoi de ressource srs, et équipement utilisateur et support d'enregistrement WO2022253271A1 (fr)

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