WO2021213324A1 - 非周期srs的时隙偏移指示方法和设备 - Google Patents

非周期srs的时隙偏移指示方法和设备 Download PDF

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Publication number
WO2021213324A1
WO2021213324A1 PCT/CN2021/088123 CN2021088123W WO2021213324A1 WO 2021213324 A1 WO2021213324 A1 WO 2021213324A1 CN 2021088123 W CN2021088123 W CN 2021088123W WO 2021213324 A1 WO2021213324 A1 WO 2021213324A1
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Prior art keywords
srs resource
aperiodic srs
dci
resource set
time slot
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PCT/CN2021/088123
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English (en)
French (fr)
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施源
孙鹏
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维沃移动通信有限公司
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Publication of WO2021213324A1 publication Critical patent/WO2021213324A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the embodiment of the present invention relates to the field of communications, and in particular to a method and device for indicating a time slot offset of an aperiodic sounding reference signal (Sounding Reference Signal, SRS).
  • SRS Sounding Reference Signal
  • Uplink SRS includes periodic SRS, aperiodic SRS and semi-persistent SRS.
  • Aperiodic SRS is sent after being triggered by dynamic signaling, and its slot offset is pre-configured by Radio Resource Control (RRC).
  • RRC Radio Resource Control
  • the above solution will cause the time slot offset of aperiodic SRS not to be updated for a long time, and the time slot offset indication method of aperiodic SRS is not flexible.
  • URLLC Ultra Reliable Low Latency Communications
  • URLLC Ultra Reliable Low Latency Communications
  • the purpose of the embodiments of the present invention is to provide an aperiodic SRS time slot offset indication method and device, so as to solve the problem of inflexibility of the aperiodic SRS time slot offset indication mode.
  • a method for indicating a slot offset of aperiodic SRS is provided, the method is executed by a terminal device, and the method includes: receiving downlink control information DCI, where the DCI is used to indicate the aperiodic sounding reference signal SRS The first slot offset of the resource set.
  • a method for indicating a slot offset of aperiodic SRS is provided.
  • the method is executed by a network device.
  • the method includes sending DCI, where the DCI is used to indicate the first time of the aperiodic SRS resource set. Gap offset.
  • a terminal device in a third aspect, includes: a receiving module configured to receive DCI, where the DCI is used to indicate a first time slot offset of an aperiodic SRS resource set.
  • a network device configured to send DCI, where the DCI is used to indicate the first time slot offset of the aperiodic SRS resource set.
  • a terminal device in a fifth aspect, includes a processor, a memory, and instructions or programs that are stored on the memory and run on the processor. The instructions or programs are executed by the processor. The steps of the aperiodic SRS time slot offset indication method as described in the first aspect are implemented during execution.
  • a network device in a sixth aspect, includes a processor, a memory, and instructions or programs that are stored on the memory and that can run on the processor.
  • the instructions or programs are executed by the processor. During execution, the aperiodic SRS time slot offset indication method as described in the second aspect is implemented.
  • a readable storage medium stores an instruction or a program.
  • the instruction or program is executed by a processor, the implementation is as described in any one of the first aspect and the second aspect.
  • Aperiodic SRS slot offset indication method is provided.
  • the network device can dynamically indicate the time slot offset of the aperiodic SRS resource set through DCI, and the way of indicating the time slot offset is more flexible, which facilitates meeting different communication requirements and improves communication efficiency.
  • Fig. 1 is a schematic flowchart of a method for indicating a slot offset of aperiodic SRS according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method for indicating a slot offset of aperiodic SRS according to another embodiment of the present invention
  • Fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
  • Figure 4 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • Fig. 5 is a schematic structural diagram of a terminal device according to another embodiment of the present invention.
  • Fig. 6 is a schematic structural diagram of a network device according to another embodiment of the present invention.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • LTE Time Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • terminal equipment may include, but is not limited to, a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), a user equipment (User Equipment, UE), and a mobile phone (handset).
  • the terminal equipment can communicate with one or more core networks through a radio access network (Radio Access Network, RAN), for example, the terminal equipment can be a mobile phone (or It is called a "cellular" phone), a computer with wireless communication function, etc.
  • the terminal device can also be a portable, pocket-sized, handheld, built-in computer or a mobile device in a vehicle.
  • a network device is a device deployed in a wireless access network to provide wireless communication functions for terminal devices.
  • the network device may be a base station, and the base station may include various forms of macro base stations, micro base stations, relay stations, access points, and so on.
  • the names of devices with base station functions may be different.
  • an evolved NodeB evolved NodeB, eNB or eNodeB
  • 3G third generation
  • NodeB Node B
  • 5G 5G system
  • gNB Generation Node B
  • gNB network equipment in subsequent evolved communication systems, etc., however, the terminology does not constitute a restriction.
  • an embodiment of the present invention provides a method 100 for indicating a time slot offset of an aperiodic sounding reference signal (Sounding Reference Signal, SRS).
  • the method can be executed by a terminal device.
  • the method can be executed by a terminal device.
  • the method is executed by software or hardware installed on the terminal device, and the method includes the following steps.
  • DCI Downlink Control Information
  • the first slot offset may be used to indicate the slot-level interval between the terminal device receiving the aperiodic SRS transmission instruction (for example, the DCI used to activate the foregoing aperiodic SRS resource set) to the actual start of SRS transmission,
  • the unit can be a time slot.
  • the above-mentioned DCI may be a multiplexing of DCI of other functions.
  • the above-mentioned DCI may be a DCI used for scheduling uplink data and for activating the above-mentioned aperiodic SRS resource set.
  • This implementation manner can save DCI overhead while avoiding physical downlink control channel (Physical Downlink Control Channel, PDCCH) congestion.
  • PDCCH Physical Downlink Control Channel
  • the following step may be further included: receiving indication information, the indication information being used to indicate whether to indicate the first time slot offset of the aperiodic SRS resource set through the DCI, and the non-periodic SRS resource set
  • the periodic SRS resource set corresponds to the target identification ID.
  • the indication information can indicate whether the aperiodic SRS resource set corresponding to the target ID indicates the first time slot offset of the aperiodic SRS resource set through DCI by indicating the target ID.
  • the target ID includes at least one of the following: SRS resource ID; SRS resource set ID; DCI format; Bandwidth Part (BWP) ID; user ID; carrier control unit ID; use case.
  • BWP Bandwidth Part
  • the following step may be further included: on the time slot indicated by the first time slot offset, or at the first valid time after the time slot indicated by the first time slot offset
  • the SRS in the aperiodic SRS resource set is sent.
  • the following step may be further included: when the DCI is a downlink DCI, in the time slot indicated by the first time slot offset, or at the first time slot offset In the first valid time slot after the indicated time slot, the SRS in the aperiodic SRS resource set is sent.
  • the network equipment can dynamically indicate the time slot offset of the aperiodic SRS resource set through DCI, and the way of indicating the time slot offset is more flexible, which is convenient for different Communication needs to improve communication efficiency.
  • the DCI mentioned in Embodiment 100 is also used for scheduling uplink data and activating the aperiodic SRS resource set, and the DCI is an uplink DCI.
  • the time domain resource assignment (TDRA) field in the DCI can be used to indicate the first time slot offset. It can be understood that the TDRA field can be used to simultaneously indicate scheduled uplink data such as physical uplink.
  • the slot offset of the shared channel PhysicalUplinkSharedChannel, PUSCH).
  • the first time slot offset is equal to the time slot offset of the uplink data scheduled by DCI.
  • the DCI of other functions is reused to indicate the first time slot offset of the aperiodic SRS resource set, which can save DCI overhead and avoid PDCCH congestion.
  • the DCI mentioned in Embodiment 100 is also used to activate the aperiodic SRS resource set and aperiodic channel state information (Channel State Information, CSI) report, and the DCI may be an uplink DCI.
  • CSI Channel State Information
  • the DCI in this embodiment includes an uplink shared channel (UL-SCH) field and a CSI request field.
  • the UL-SCH field is set to 0, and the UL-SCH field is set to 0 to indicate that the UL-SCH is not in the PUSCH.
  • the PUSCH is only used for CSI reporting; the reporting configuration of the CSI report associated with the CSI request domain is set to none, that is, the CSI report is activated but not reported.
  • the DCI in this embodiment includes a first indicator field, and the first indicator field is used to indicate the first slot offset; wherein, the first indicator field includes at least one of the following DCI: TDRA field , Transmit Power Control (TPC) command field, SRS resource indicator field, Modulation and Coding Scheme (MCS) field and hybrid of the physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) used for scheduling Automatic Repeat Request (Hybrid Automatic Repeat Request, HARQ) process number (process number) field.
  • TPC Transmit Power Control
  • SRS resource indicator field SRS resource indicator field
  • MCS Modulation and Coding Scheme
  • PDSCH Physical Downlink shared channel
  • HARQ Hybrid Automatic Repeat Request
  • the terminal device may also ignore other domains of the aforementioned DCI, and the other domains are: domains other than the UL-SCH domain, the CSI request domain, the SRS request domain, and the first indication domain .
  • the TDRA field in the DCI can be used to indicate the first time slot offset. It can be understood that the TDRA field can be used to indicate the time slot offset of the scheduled uplink data at the same time. In a specific example, the first time slot offset is equal to the time slot offset of the uplink data scheduled by DCI.
  • the DCI of other functions is reused to indicate the first time slot offset of the aperiodic SRS resource set, which can save DCI overhead and avoid PDCCH congestion.
  • the DCI mentioned in Embodiment 100 is also used to activate or deactivate the semi-persistent CSI report transmitted on the Physical Uplink Shared Channel (PUSCH) and to activate the aperiodic SRS resource set ,
  • the DCI can be an uplink DCI.
  • the second indicator field included in the DCI is used to indicate the first time slot offset, and the second indicator field It includes at least one of the following: a TDRA field, a TPC command field for scheduled PDSCH, an SRS resource indicator field, and a modulation and coding scheme field; and/or, when the DCI is used to deactivate the semi-persistent CSI report ,
  • the third indication field included in the DCI is used to indicate the first time slot offset.
  • the third indication field includes at least one of the following: a TDRA field, a TPC command field of PDSCH used for scheduling, and an SRS resource indication field.
  • the DCI of other functions is reused to indicate the first time slot offset of the aperiodic SRS resource set, which can save DCI overhead and avoid PDCCH congestion.
  • the DCI mentioned in Embodiment 100 is also used to activate or deactivate a type 2 uplink grant (UL grant type 2) and activate the aperiodic SRS resource set, and the DCI is an uplink DCI.
  • UL grant type 2 UL grant type 2
  • the DCI is an uplink DCI.
  • the TDRA field included in the DCI is used to indicate the first time slot offset; and/or, in the DCI
  • the third indicator field included in the DCI is used to indicate the first time slot offset; wherein, the third indicator field includes at least one of the following: TDRA field, TPC command field of PDSCH used for scheduling, and SRS resource indication field.
  • the DCI of other functions is reused to indicate the first time slot offset of the aperiodic SRS resource set, which can save DCI overhead and avoid PDCCH congestion.
  • the DCI mentioned in Embodiment 100 is also used to activate the aperiodic SRS resource set, and the DCI may be a downlink DCI.
  • the DCI includes a newly added indicator field (for example, a newly added 1-bit indicator field), and the newly added indicator field is used to indicate whether the DCI is used to activate the aperiodic SRS resource set .
  • a newly added indicator field for example, a newly added 1-bit indicator field
  • the DCI includes a fourth indicator field, and the fourth indicator field is used to indicate the first time slot offset; wherein, the fourth indicator field is at least one of the following: TDRA field, Frequency domain resource allocation (Frequency Domain Resource Allocation, FDRA) field, TPC command field of PDSCH used for scheduling, SRS resource indication field, and modulation and coding scheme field.
  • TDRA field Frequency domain resource allocation (Frequency Domain Resource Allocation, FDRA) field
  • TPC command field of PDSCH used for scheduling SRS resource indication field
  • modulation and coding scheme field modulation and coding scheme
  • the DCI of other functions is reused to indicate the first time slot offset of the aperiodic SRS resource set, which can save DCI overhead and avoid PDCCH congestion.
  • This embodiment may further include the following step: send the SRS resource set in the time slot indicated by the first time slot offset or in the first valid time slot after the first time slot offset.
  • SRS For example, the time slot in which the DCI is received is time slot n, the first time slot offset is 3, time slot n+3 is an invalid time slot, and the first time slot after the time slot indicated by the first time slot offset is valid
  • the time slot is time slot n+4, and the terminal device can send the SRS in the aperiodic SRS resource set on time slot n+4.
  • the DCI mentioned in Embodiment 100 is also used for scheduling downlink data and activating the aperiodic SRS resource set, and the DCI may be a downlink DCI.
  • the TDRA field in the DCI can be used to indicate the first time slot offset. It can be understood that the TDRA field can be used to indicate the time slot offset of the scheduled downlink data at the same time. In a specific example, the first time slot offset is equal to the time slot offset of the downlink data scheduled by DCI.
  • This embodiment may further include the following step: sending the non-transmission on the time slot indicated by the first time slot offset or on the first valid time slot after the time slot indicated by the first time slot offset.
  • the DCI of other functions is reused to indicate the first time slot offset of the aperiodic SRS resource set, which can save DCI overhead and avoid PDCCH congestion.
  • the DCI mentioned in Embodiment 100 is also used to activate or deactivate downlink semi-persistent scheduling (Semi-Persistent Scheduling, SPS) and to activate the aperiodic SRS resource set.
  • the DCI may be uplink DCI or It is the downlink DCI.
  • the TDRA included in the DCI is used to indicate the first time slot offset; and/or, when the DCI is used to deactivate When the DL SPS report is activated, the fifth indicator field included in the DCI is used to indicate the first time slot offset; wherein, the fifth indicator field is at least one of the following: TDRA field, The TPC command field and SRS resource indicator field of the scheduled PDSCH.
  • the DCI of other functions is reused to indicate the first time slot offset of the aperiodic SRS resource set, which can save DCI overhead and avoid PDCCH congestion.
  • this embodiment may further include the following steps: in the time slot indicated by the first time slot offset or after the time slot indicated by the first time slot offset
  • the SRS in the SRS resource set is sent in the first valid time slot.
  • the aperiodic SRS resource set mentioned in the previous embodiments may also be configured with a second slot offset.
  • the second slot offset is configured for the aperiodic SRS resource set in advance through RRC signaling.
  • the SRS in the aperiodic SRS resource set is sent by preferentially using the second slot offset.
  • the first time slot offset is preferentially used to transmit the SRS in the aperiodic SRS resource set.
  • the first time slot offset and the second time slot offset (for example, according to the sum of the first time slot offset and the second time slot offset), send the aperiodic SRS in the SRS resource set.
  • the above three situations can also be used in combination. For example, if the SRS resource in the aperiodic SRS resource set cannot be used to send SRS at the position indicated by the second slot offset, the The SRS is sent at the first slot offset indicated by the DCI.
  • the first slot offset indicated by the DCI is not used.
  • only the second slot offset configured by RRC is used for SRS transmission.
  • the DCI indicates multiple first slot offsets of multiple aperiodic SRS resource sets.
  • the multiple aperiodic SRS resource sets include a first aperiodic SRS resource set and a second aperiodic SRS resource set, and the DCI indicates the first slot offset of the first aperiodic SRS resource set A, the first slot offset X of the second aperiodic SRS resource set is determined by at least one of the following parameters: the A; the first aperiodic SRS resource set is configured The second time slot offset B; the second time slot offset C of the second aperiodic SRS resource set configuration.
  • the X is determined by a preset formula that is related to at least one of A, B, and C.
  • the multiple aperiodic SRS resource sets include a first aperiodic SRS resource set and a second aperiodic SRS resource set, and the DCI indicates the first slot offset of the first aperiodic SRS resource set Therefore, the terminal device may also send the SRS in the second aperiodic SRS resource set in the effective time slot after the first aperiodic SRS resource set.
  • the effective time slot is an uplink time slot capable of transmitting all SRS resources in the second aperiodic SRS resource set.
  • the transmission of the second aperiodic SRS resource set in a valid time slot after the first aperiodic SRS resource set includes: sequentially sending multiple SRSs in the second aperiodic SRS resource set on a valid time slot after the first SRS resource set in a target order.
  • the effective time slot is an uplink time slot capable of transmitting all SRS resources in the second aperiodic SRS resource set.
  • the target sequence is determined according to the number of the plurality of second aperiodic SRS resource sets (for example, in descending order of numbers); or the target sequence is determined according to the plurality of second aperiodic SRS resources
  • the size of the second time slot offsets respectively configured in the set is determined (for example, in the order of the multiple second time slot offsets from small to large).
  • the first aperiodic SRS resource set mentioned in 3) and 4) above may be an aperiodic SRS resource set that satisfies one of the following conditions in the multiple aperiodic SRS resource sets activated by the DCI at the same time: The largest; the smallest number; the DCI associated; the configured second time slot offset is the largest; the configured second time slot offset is the smallest.
  • multiple aperiodic SRS resource sets can be activated through DCI, and multiple first slot offsets of multiple aperiodic SRS resource sets can also be indicated, so as to avoid sending multiple DCIs on the same slot.
  • the problem of PDCCH congestion caused by different aperiodic SRS resource sets is triggered respectively.
  • Embodiment 100 may further include at least one of the following steps:
  • the SRS in the aperiodic SRS resource set is sent through the second time slot offset, so The first time slot offset is not valid.
  • the method for indicating the slot offset of the aperiodic SRS according to the embodiment of the present invention is described in detail above with reference to FIG. 1.
  • a method for indicating a slot offset of aperiodic SRS according to another embodiment of the present invention will be described in detail with reference to FIG. 2. It can be understood that the interaction between the network device and the terminal device described from the network device side is the same as the description on the terminal device side in the method shown in FIG. 1, and to avoid repetition, the relevant description is appropriately omitted.
  • FIG. 2 is a schematic diagram of the implementation process of a method for indicating a time slot offset of an aperiodic SRS according to an embodiment of the present invention, which can be applied to the network device side. As shown in FIG. 2, the method 200 includes:
  • S202 Send DCI, where the DCI is used to indicate the first slot offset of the aperiodic SRS resource set.
  • the network equipment can dynamically indicate the time slot offset of the aperiodic SRS resource set through DCI, and the way of indicating the time slot offset is more flexible, which is convenient for different Communication needs to improve communication efficiency.
  • the DCI is further used for one of the following: scheduling uplink data and activating the aperiodic SRS resource set, the DCI may be uplink DCI; activating the aperiodic SRS resource set and aperiodic CSI report, the DCI can be an uplink DCI; activate or deactivate the semi-persistent CSI report transmitted on PUSCH and used to activate the aperiodic SRS resource set, the DCI can be an uplink DCI; activate or deactivate type 2 uplink grant And activating the aperiodic SRS resource set, the DCI may be an uplink DCI; activating the aperiodic SRS resource set, the DCI may be a downlink DCI; scheduling downlink data and activating the aperiodic SRS resource set, the DCI may It is a downlink DCI; the DLSPS is activated or deactivated and the aperiodic SRS resource set is activated.
  • the DCI may be a downlink DCI or an
  • Fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention. As shown in FIG. 3, the terminal device 300 includes:
  • the receiving module 302 may be used to receive DCI, where the DCI is used to indicate the first time slot offset of the aperiodic SRS resource set.
  • the network device can dynamically indicate the time slot offset of the aperiodic SRS resource set through DCI, and the way of indicating the time slot offset is more flexible, which facilitates meeting different communication requirements and improves communication efficiency.
  • the DCI is also used for scheduling uplink data and activating the aperiodic SRS resource set, and the DCI may be an uplink DCI.
  • the DCI is also used to activate the aperiodic SRS resource set and aperiodic channel state information CSI report, and the DCI may be an uplink DCI.
  • the DCI includes an uplink shared channel UL-SCH field and a CSI request field; the UL-SCH field is set to 0, and the reporting configuration of the CSI report associated with the CSI request field is set to none. .
  • the DCI includes a first indication field, and the first indication field is used to indicate the first time slot offset; wherein, the first indication field includes at least one of the following : Time domain resource allocation TDRA domain, transmission power control TPC command domain of physical downlink shared channel PDSCH used for scheduling, SRS resource indication domain, modulation and coding scheme domain, hybrid automatic repeat request HARQ process quantity domain.
  • the first indication field includes at least one of the following : Time domain resource allocation TDRA domain, transmission power control TPC command domain of physical downlink shared channel PDSCH used for scheduling, SRS resource indication domain, modulation and coding scheme domain, hybrid automatic repeat request HARQ process quantity domain.
  • the terminal device 300 may also ignore other fields in the DCI, and the other fields are: except for the UL-SCH field, the CSI request field, the SRS request field, and the first One indicates a domain outside the domain.
  • the DCI is also used to activate or deactivate semi-persistent CSI reporting and to activate the aperiodic SRS resource set, and the DCI is an uplink DCI.
  • the second indication field included in the DCI is used to indicate the first slot offset; and/ Or, in the case that the DCI is used to deactivate the semi-persistent CSI report, the third indicator field included in the DCI is used to indicate the first time slot offset; wherein, the second indicator field It includes at least one of the following: a TDRA field, a TPC command field for scheduled PDSCH, an SRS resource indicator field, and a modulation and coding scheme field; the third indicator field includes at least one of the following: TDRA field, a PDSCH field for scheduling TPC command field and SRS resource indication field.
  • the DCI is also used to activate or deactivate type 2 uplink authorization and activate the aperiodic SRS resource set, and the DCI may be an uplink DCI.
  • the TDRA field included in the DCI is used to indicate the first time slot offset; and/or, In the case that the DCI is used to deactivate the type 2 uplink grant, the third indicator field included in the DCI is used to indicate the first time slot offset; wherein, the third indicator field includes the following At least one of: TDRA field, TPC command field of PDSCH used for scheduling, and SRS resource indication field.
  • the DCI is also used to activate the aperiodic SRS resource set, and the DCI may be a downlink DCI.
  • the DCI includes a newly added indication field, and the newly added indication field is used to indicate whether the DCI is used to activate the aperiodic SRS resource set.
  • the DCI includes a fourth indication field, and the fourth indication field is used to indicate the first time slot offset; wherein, the fourth indication field is at least one of the following : TDRA domain, frequency domain resource allocation FDRA domain, TPC command domain of PDSCH used for scheduling, SRS resource indication domain and modulation and coding scheme domain.
  • the DCI is also used for scheduling downlink data and activating the aperiodic SRS resource set, and the DCI may be a downlink DCI.
  • the DCI includes a TDRA field, and the TDRA field is used to indicate the first time slot offset.
  • the DCI is also used to activate or deactivate a downlink DL semi-persistent scheduling SPS and activate the aperiodic SRS resource set.
  • the TDRA included in the DCI is used to indicate the first time slot offset; and/or, in the When the DCI is used to deactivate the DL SPS report, the fifth indicator field included in the DCI is used to indicate the first time slot offset; wherein, the fifth indicator field is at least one of the following: TDRA field, TPC command field of PDSCH used for scheduling, and SRS resource indication field.
  • the aperiodic SRS resource set is configured with a second time slot offset
  • the terminal device 300 may also preferentially use the second time slot offset to transmit the aperiodic SRS SRS in the resource set.
  • the aperiodic SRS resource set is configured with a second time slot offset
  • the terminal device 300 may also preferentially use the first time slot offset to transmit the aperiodic SRS SRS in the resource set.
  • the aperiodic SRS resource set is configured with a second time slot offset
  • the terminal device 300 may also be based on the first time slot offset and the second time slot offset. Offset, sending the SRS in the aperiodic SRS resource set.
  • the terminal device 300 may also: not use the first slot offset indicated by the DCI Or, the DCI indicates multiple first slot offsets of multiple aperiodic SRS resource sets.
  • the multiple aperiodic SRS resource sets include a first aperiodic SRS resource set and a second aperiodic SRS resource set
  • the DCI indicates that the first time slot offset of the first aperiodic SRS resource set is A, then the first time slot offset of the second SRS resource set is X, the X is determined by the following parameters: the A; the second time slot offset of the first aperiodic SRS resource set configuration B; the second time slot offset of the second aperiodic SRS resource set configuration ⁇ C.
  • the terminal device 300 further includes a sending module, which can be used for validating after the first aperiodic SRS resource set In the time slot, the SRS in the second aperiodic SRS resource set is sent.
  • the sending module may be used to: follow the first aperiodic SRS resource set in sequence according to the target sequence. In the effective time slot, multiple SRSs in the second aperiodic SRS resource set are sent.
  • the target sequence is determined according to the number of the plurality of second aperiodic SRS resource sets; or the target sequence is determined according to the plurality of second aperiodic SRS resource sets respectively The size of the configured second time slot offset is determined.
  • the first aperiodic SRS resource set is an aperiodic SRS resource set that satisfies one of the following conditions in a plurality of aperiodic SRS resource sets that are simultaneously activated by the DCI: the largest number; The smallest number; the DCI associated; the configured second time slot offset is the largest; the configured second time slot offset is the smallest.
  • the effective time slot is an uplink time slot capable of transmitting all SRS resources in the second aperiodic SRS resource set.
  • the terminal device 300 further includes a sending module, which can be used to transmit data on the time slot indicated by the first time slot offset or when the first time slot offset indicates In the first valid time slot after the slot, the SRS in the aperiodic SRS resource set is sent.
  • a sending module which can be used to transmit data on the time slot indicated by the first time slot offset or when the first time slot offset indicates In the first valid time slot after the slot, the SRS in the aperiodic SRS resource set is sent.
  • the terminal device 300 further includes a sending module, which can be used to perform a transmission on the time slot indicated by the first time slot offset or on the time slot indicated by the first time slot offset when the DCI is a downlink DCI.
  • the SRS in the aperiodic SRS resource set is sent on the first valid time slot after the time slot indicated by the first time slot offset.
  • the terminal device 300 further includes a sending module, which can be used for at least one of the following: if the aperiodic SRS resource set is not configured with a second time slot offset, pass the first time slot offset SRS in the aperiodic SRS resource set is sent with a slot offset; if the aperiodic SRS resource set is configured with the second slot offset, then the second slot offset is used to send the For the SRS in the aperiodic SRS resource set, the first slot offset does not take effect.
  • a sending module which can be used for at least one of the following: if the aperiodic SRS resource set is not configured with a second time slot offset, pass the first time slot offset SRS in the aperiodic SRS resource set is sent with a slot offset; if the aperiodic SRS resource set is configured with the second slot offset, then the second slot offset is used to send the For the SRS in the aperiodic SRS resource set, the first slot offset does not take effect.
  • the receiving module 302 may be further configured to receive indication information, the indication information being used to indicate whether to indicate the first time slot offset of the aperiodic SRS resource set through the DCI
  • the aperiodic SRS resource set corresponds to the target identification ID; wherein, the target ID includes at least one of the following: SRS resource ID; SRS resource set ID; DCI format; bandwidth part BWP ID; user ID; carrier control Unit ID; purpose.
  • the terminal device 300 may refer to the process of the method 100 corresponding to the embodiment of the present invention, and each unit/module in the terminal device 300 and the other operations and/or functions mentioned above are used to implement the corresponding methods in the method 100.
  • Fig. 4 is a schematic structural diagram of a network device according to an embodiment of the present invention. As shown in FIG. 4, the network device 400 includes:
  • the sending module 402 may be used to send DCI, where the DCI is used to indicate the first time slot offset of the aperiodic SRS resource set.
  • the network device can dynamically indicate the time slot offset of the aperiodic SRS resource set through DCI, and the way of indicating the time slot offset is more flexible, which facilitates meeting different communication requirements and improves communication efficiency.
  • the DCI is further used for one of the following: scheduling uplink data and activating the aperiodic SRS resource set, the DCI may be uplink DCI; activating the aperiodic SRS resource set and aperiodic CSI report, the DCI can be an uplink DCI; activate or deactivate the semi-persistent CSI report transmitted on PUSCH and used to activate the aperiodic SRS resource set, the DCI can be an uplink DCI; activate or deactivate type 2 uplink grant And activating the aperiodic SRS resource set, the DCI may be an uplink DCI; activating the aperiodic SRS resource set, the DCI may be a downlink DCI; scheduling downlink data and activating the aperiodic SRS resource set, the DCI may It is a downlink DCI; the DLSPS is activated or deactivated and the aperiodic SRS resource set is activated.
  • the DCI may be a downlink DCI or an
  • the network device 400 can refer to the process of the method 200 corresponding to the embodiment of the present invention, and each unit/module in the network device 400 and the other operations and/or functions described above are used to implement the corresponding steps in the method 200.
  • Fig. 5 is a block diagram of a terminal device according to another embodiment of the present invention.
  • the terminal device 500 shown in FIG. 5 includes: at least one processor 501, a memory 502, at least one network interface 504, and a user interface 503.
  • the various components in the terminal device 500 are coupled together through the bus system 505.
  • the bus system 505 is used to implement connection and communication between these components.
  • the bus system 505 also includes a power bus, a control bus, and a status signal bus.
  • various buses are marked as the bus system 505 in FIG. 5.
  • the user interface 503 may include a display, a keyboard, a pointing device (for example, a mouse, a trackball), a touch panel or a touch screen, etc.
  • the memory 502 in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Synchronous Link Dynamic Random Access Memory
  • Synchlink DRAM Synchronous Link Dynamic Random Access Memory
  • DRRAM Direct Rambus RAM
  • the memory 502 stores the following elements, executable modules or data structures, or their subsets, or their extended sets: operating system 5021 and application programs 5022.
  • the operating system 5021 includes various system programs, such as a framework layer, a core library layer, a driver layer, etc., for implementing various basic services and processing hardware-based tasks.
  • the application program 5022 includes various application programs, such as a media player (Media Player), a browser (Browser), etc., which are used to implement various application services.
  • the program for implementing the method of the embodiment of the present invention may be included in the application program 5022.
  • the terminal device 500 further includes: instructions or programs that are stored in the memory 502 and run on the processor 501.
  • the instructions or programs are executed by the processor 501 to implement the steps of the method embodiment 100 as follows.
  • the method disclosed in the foregoing embodiment of the present invention may be applied to the processor 501 or implemented by the processor 501.
  • the processor 501 may be an integrated circuit chip with signal processing capability. In the implementation process, the steps of the foregoing method can be completed by an integrated logic circuit of hardware in the processor 501 or instructions in the form of software.
  • the aforementioned processor 501 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA) or other Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present invention may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature readable storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the readable storage medium is located in the memory 502, and the processor 501 reads the information in the memory 502, and completes the steps of the foregoing method in combination with its hardware. Specifically, instructions or programs are stored on the readable storage medium, and when the instructions or programs are executed by the processor 501, the steps in the above-mentioned method embodiment 100 are implemented.
  • the embodiments described in the embodiments of the present invention may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more application specific integrated circuits (ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing equipment (DSP Device, DSPD), programmable Logic device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, and others for performing the functions described in this application Electronic unit or its combination.
  • ASIC application specific integrated circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • PLD programmable Logic Device
  • PLD Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described in the embodiments of the present invention can be implemented by modules (for example, procedures, functions, etc.) that execute the functions described in the embodiments of the present invention.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the terminal device 500 can implement the various processes implemented by the terminal device in the foregoing embodiments, and can achieve the same or equivalent technical effects. To avoid repetition, details are not described herein again.
  • FIG. 6 is a structural diagram of a network device applied in an embodiment of the present invention, which can implement the details of the method embodiment 200 and achieve the same effect.
  • the network device 600 includes: a processor 601, a transceiver 602, a memory 603, and a bus interface, where:
  • the network device 600 further includes: instructions or programs that are stored in the memory 603 and can run on the processor 601. The instructions or programs are executed by the processor 601 to implement the steps of the method embodiment 200.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 601 and various circuits of the memory represented by the memory 603 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 602 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the processor 601 is responsible for managing the bus architecture and general processing, and the memory 603 can store data used by the processor 601 when performing operations.
  • the embodiment of the present invention also provides a readable storage medium on which an instruction or program is stored.
  • the instruction or program is executed by a processor, any one of the above method embodiment 100 and method embodiment 200 is implemented. Each process can achieve the same technical effect. To avoid repetition, I won’t repeat it here.
  • the readable storage medium such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk, or optical disk, etc.
  • the technical solution of the present invention essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in each embodiment of the present invention.
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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Abstract

本申请实施例公开了一种非周期SRS的时隙偏移指示方法和设备,用以解决非周期SRS的时隙偏移指示方式不灵活的问题。该方法可以由终端设备执行,包括:接收下行控制信息DCI,所述DCI用于指示非周期探测参考信号SRS资源集的第一时隙偏移量。

Description

非周期SRS的时隙偏移指示方法和设备
交叉引用
本申请要求在2020年04月22日提交中国专利局、申请号为202010324187.6、发明名称为“非周期SRS的时隙偏移指示方法和设备”的中国专利申请的优先权,该申请的全部内容通过引用结合在本申请中。
技术领域
本发明实施例涉及通信领域,尤其涉及一种非周期探测参考信号(Sounding Reference Signal,SRS)的时隙偏移指示方法和设备。
背景技术
上行SRS包括有周期性SRS、非周期SRS和半持续SRS。非周期SRS是动态信令触发之后发送,其时隙偏移量是由无线资源控制(Radio Resource Control,RRC)预先配置。考虑到RRC信令的特性,上述方案会导致非周期SRS的时隙偏移量长时间不会更新,非周期SRS的时隙偏移指示方式不灵活。对于一些业务类型,例如超高可靠与低时延通信(Ultra Reliable Low Latency Communications,URLLC);或者一些到达突发的业务,长时间采用同一种时隙偏移配置可能会导致业务要求不满足或者效率低下。
发明内容
本发明实施例的目的是提供一种非周期SRS的时隙偏移指示方法和设备,用以解决非周期SRS的时隙偏移指示方式不灵活的问题。
第一方面,提供了一种非周期SRS的时隙偏移指示方法,所述方法由终端设备执行,所述方法包括:接收下行控制信息DCI,所述DCI用于指示非周期探测参考信号SRS资源集的第一时隙偏移量。
第二方面,提供了一种非周期SRS的时隙偏移指示方法,所述方法由网络设备执行,所述方法包括:发送DCI,所述DCI用于指示非周期SRS资源集的第一时隙偏移量。
第三方面,提供了一种终端设备,该终端设备包括:接收模块,用于接收DCI,所述DCI用于指示非周期SRS资源集的第一时隙偏移量。
第四方面,提供了一种网络设备,该网络设备包括:发送模块,用于发送DCI,所述DCI用于指示非周期SRS资源集的第一时隙偏移量。
第五方面,提供了一种终端设备,该终端设备包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的指令或程序,所述指令或程序被所述处理器执行时实现如第一方面所述的非周期SRS的时隙偏移指示方法的步骤。
第六方面,提供了一种网络设备,该网络设备包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的指令或程序,所述指令或程序被所述处理器执行时实现如第二方面所述的非周期SRS的时隙偏移指示方法。
第七方面,提供了一种可读存储介质,所述可读存储介质上存储指令或程序,所述指令或程序被处理器执行时实现如第一方面和第二方面中任意一个方面所述的非周期SRS的时隙偏移指示方法。
在本发明实施例中,网络设备可以通过DCI动态指示非周期SRS资源集的时隙偏移量,时隙偏移量的指示方式更加灵活,便于满足不同的通信需求,提高通信效率。
附图说明
此处所说明的附图用来提供对本申请的进一步理解,构成本申请的一部分,本申请的示意性实施例及其说明用于解释本申请,并不构成对本申请的不当限定。在附图中:
图1是根据本发明的一个实施例的非周期SRS的时隙偏移指示方法的示意性流程图;
图2是根据本发明的另一个实施例的非周期SRS的时隙偏移指示方法的示意性流程图;
图3是根据本发明的一个实施例的终端设备的结构示意图;
图4是根据本发明的一个实施例的网络设备的结构示意图;
图5是根据本发明的另一个实施例的终端设备的结构示意图;
图6是根据本发明的另一个实施例的网络设备的结构示意图。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚,下面将结合本申请具体实施例及相应的附图对本申请技术方案进行清楚、完整地描述。显然,所描述的实施例仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。本说明书各个实施例中的“和/或”表示前后两者的至少之一。
应理解,本发明实施例的技术方案可以应用于各种通信系统,例如:长期演进(Long Term Evolution,LTE)系统、LTE频分双工(Frequency Division Duplex,FDD)系统、LTE时分双工(Time Division Duplex,TDD)、通用移动通信系统(Universal Mobile Telecommunication System,UMTS)或全球互联微波接入(Worldwide Interoperability for Microwave Access,WiMAX)通信系统、5G系统,或者说新无线(New Radio,NR)系统,或者为后续演进通信系统。
在本发明实施例中,终端设备可以包括但不限于移动台(Mobile Station,MS)、移动终端(Mobile Terminal)、移动电话(Mobile Telephone)、用户设备(User Equipment,UE)、手机(handset)及便携设备(portable equipment)、车辆(vehicle)等,该终端设备可以经无线接入网(Radio Access Network,RAN)与一个或多个核心网进行通信,例如,终端设备可以是移动电话(或称为“蜂窝”电话)、具有无线通信功能的计算机等,终端设备还可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置。
本发明实施例中,网络设备是一种部署在无线接入网中用以为终端设备提供无线通信功能的装置。所述网络设备可以为基站,所述基站可以包括各 种形式的宏基站,微基站,中继站,接入点等。在采用不同的无线接入技术的系统中,具有基站功能的设备的名称可能会有所不同。例如在LTE网络中,称为演进的节点B(Evolved NodeB,eNB或eNodeB),在第三代(3rd Generation,3G)网络中,称为节点B(Node B),在5G系统中称为下一代节点B(gNB),或者后续演进通信系统中的网络设备等等,然用词并不构成限制。
如图1所示,本发明的一个实施例提供一种非周期探测参考信号(Sounding Reference Signal,SRS)的时隙偏移指示方法100,该方法可以由终端设备执行,换言之,该方法可以由安装在终端设备的软件或硬件来执行,该方法包括如下步骤。
S102:接收下行控制信息(DownlinkControlInformation,DCI),该DCI用于指示非周期SRS资源集的第一时隙偏移量。
该第一时隙偏移量可以用于指示终端设备接收到非周期SRS发送指示(例如,用于激活上述非周期SRS资源集的DCI)至实际开始传输SRS之间的时隙级的间隔,单位可以为时隙。
可选地,上述DCI可以是其他功能的DCI的复用,例如,上述DCI可以是用于调度上行数据及用于激活上述非周期SRS资源集的DCI。该实施方式可以节约DCI开销,同时避免物理下行控制信道(Physical Downlink Control Channel,PDCCH)拥堵。
可选地,S102之前还可以包括如下步骤:接收指示信息,所述指示信息用于指示是否通过所述DCI指示所述非周期SRS资源集的所述第一时隙偏移量,所述非周期SRS资源集和目标标识ID相对应。
这样,指示信息可以通过指示目标ID的方式,来指示该目标ID对应的非周期SRS资源集是否通过DCI指示该非周期SRS资源集的第一时隙偏移量。其中,所述目标ID包括如下至少之一:SRS资源ID;SRS资源集ID;DCI格式;带宽部分(BandWidth Part,BWP)ID;用户ID;载波控制单元ID;用途(use case)。
可选地,S102之后还可以包括如下步骤:在所述第一时隙偏移量指示的时隙上,或在所述第一时隙偏移量指示的时隙之后的第一个有效时隙上,发送所述非周期SRS资源集内的SRS。
可选地,S102之后还可以包括如下步骤:在所述DCI为下行DCI的情况下,在所述第一时隙偏移量指示的时隙上,或在所述第一时隙偏移量指示的时隙之后的第一个有效时隙上,发送所述非周期SRS资源集内的SRS。
本发明实施例提供的非周期SRS的时隙偏移指示方法,网络设备可以通过DCI动态指示非周期SRS资源集的时隙偏移量,时隙偏移量的指示方式更加灵活,便于满足不同的通信需求,提高通信效率。
可选地,实施例100中提到的DCI还用于调度上行数据以及激活所述非周期SRS资源集,该DCI为上行DCI。
该实施例可以通过DCI中的时域资源分配(Time domain resource assignment,TDRA)域来指示上述第一时隙偏移量,可以理解,该TDRA域可以用于同时指示调度的上行数据例如物理上行共享信道(PhysicalUplinkSharedChannel,PUSCH)的时隙偏移量。在一个具体的例子中,上述第一时隙偏移量和DCI调度的上行数据的时隙偏移量相等。
该实施例通过重用其他功能的DCI来指示非周期SRS资源集的第一时隙偏移量,可以节约DCI开销,避免PDCCH拥堵。
可选地,实施例100中提到的DCI还用于激活所述非周期SRS资源集和非周期信道状态信息(ChannelStateInformation,CSI)报告,该DCI可以为上行DCI。
该实施例中的DCI包括上行共享信道(Uplink Shared Channel,UL-SCH)域和CSI请求域,其中,所述UL-SCH域设置为0,UL-SCH域设置为0表示UL-SCH不在PUSCH上发送,PUSCH仅用于CSI报告;所述CSI请求域关联的CSI报告的上报配置设置为无,即该CSI报告被激活但不上报。
该实施例中的DCI包括第一指示域,所述第一指示域用于指示所述第一 时隙偏移量;其中,所述第一指示域包括所述DCI如下至少之一:TDRA域、用于调度的物理下行共享信道(Physical Downlink Shared Channel,PDSCH)的传输功率控制(Transmit Power Control,TPC)命令域、SRS资源指示域、调制编码方案(Modulation and Coding Scheme,MCS)域和混合自动重传请求(Hybrid Automatic Repeat Request,HARQ)进程数量(process number)域。
该实施例中,终端设备还可以忽略上述DCI的其他域,所述其他域为:除所述UL-SCH域、所述CSI请求域、SRS请求域和所述第一指示域之外的域。
该实施例可以通过DCI中的TDRA域来指示上述第一时隙偏移量,可以理解,该TDRA域可以用于同时指示调度的上行数据的时隙偏移量。在一个具体的例子中,上述第一时隙偏移量和DCI调度的上行数据的时隙偏移量相等。
该实施例通过重用其他功能的DCI来指示非周期SRS资源集的第一时隙偏移量,可以节约DCI开销,避免PDCCH拥堵。
可选地,实施例100中提到的DCI还用于激活或去激活在物理上行共享信道(Physical Uplink Shared Channel,PUSCH)上传输的半持续CSI报告以及用于激活所述非周期SRS资源集,该DCI可以为上行DCI。
该实施例中,在所述DCI用于激活所述半持续CSI报告的情况下,所述DCI包括的第二指示域用于指示所述第一时隙偏移量,所述第二指示域包括如下至少之一:TDRA域、用于调度的PDSCH的TPC命令域、SRS资源指示域和调制编码方案域;和/或,在所述DCI用于去激活所述半持续CSI报告的情况下,所述DCI包括的第三指示域用于指示所述第一时隙偏移量。所述第三指示域包括如下至少之一:TDRA域、用于调度的PDSCH的TPC命令域和SRS资源指示域。
该实施例通过重用其他功能的DCI来指示非周期SRS资源集的第一时隙 偏移量,可以节约DCI开销,避免PDCCH拥堵。
可选地,实施例100中提到的DCI还用于激活或去激活类型2上行授权(UL grant type 2)以及激活所述非周期SRS资源集,该DCI为上行DCI。
该实施例中,在所述DCI用于激活所述类型2上行授权的情况下,所述DCI包括的TDRA域用于指示所述第一时隙偏移量;和/或,在所述DCI用于去激活所述类型2上行授权的情况下,所述DCI包括的第三指示域用于指示所述第一时隙偏移量;其中,所述第三指示域包括如下至少之一:TDRA域、用于调度的PDSCH的TPC命令域和SRS资源指示域。
该实施例通过重用其他功能的DCI来指示非周期SRS资源集的第一时隙偏移量,可以节约DCI开销,避免PDCCH拥堵。
可选地,实施例100中提到的DCI还用于激活所述非周期SRS资源集,该DCI可以为下行DCI。
该实施例中,所述DCI包括新增的指示域(例如,新增1比特的指示域),新增的所述指示域用于指示所述DCI是否用于激活所述非周期SRS资源集。
该实施例中,所述DCI包括第四指示域,所述第四指示域用于指示所述第一时隙偏移量;其中,所述第四指示域为如下至少之一:TDRA域、频域资源分配(Frequency Domain Resource Allocation,FDRA)域、用于调度的PDSCH的TPC命令域和SRS资源指示域和调制编码方案域。
该实施例通过重用其他功能的DCI来指示非周期SRS资源集的第一时隙偏移量,可以节约DCI开销,避免PDCCH拥堵。
该实施例还可以包括如下步骤:在所述第一时隙偏移量指示的时隙,或在第一时隙偏移量之后的第一个有效时隙上发送所述SRS资源集内的SRS。例如,接收到DCI的时隙为时隙n,第一时隙偏移量为3,时隙n+3为无效时隙,第一时隙偏移量指示的时隙之后的第一个有效时隙为时隙n+4,终端设备则可以在时隙n+4上发送所述非周期SRS资源集内的SRS。
可选地,实施例100中提到的DCI还用于调度下行数据和以及激活所述 非周期SRS资源集,该DCI可以为下行DCI。
该实施例可以通过DCI中的TDRA域来指示上述第一时隙偏移量,可以理解,该TDRA域可以用于同时指示调度的下行数据的时隙偏移量。在一个具体的例子中,上述第一时隙偏移量和DCI调度的下行数据的时隙偏移量相等。
该实施例还可以包括如下步骤:在所述第一时隙偏移量指示的时隙,或者在第一时隙偏移量指示的时隙之后的第一个有效时隙上发送所述非周期SRS资源集内的SRS。
该实施例通过重用其他功能的DCI来指示非周期SRS资源集的第一时隙偏移量,可以节约DCI开销,避免PDCCH拥堵。
可选地,实施例100中提到的DCI还用于激活或去激活下行半持续调度(Semi-Persistent Scheduling,SPS)以及激活所述非周期SRS资源集,该DCI可以为上行DCI,也可以为下行DCI。
该实施例中,在所述DCI用于激活所述DL SPS的情况下,所述DCI包括的TDRA用于指示所述第一时隙偏移量;和/或,在所述DCI用于去激活所述DL SPS报告的情况下,所述DCI包括的第五指示域用于指示所述第一时隙偏移量;其中,所述第五指示域为如下至少之一:TDRA域、用于调度的PDSCH的TPC命令域和SRS资源指示域。
该实施例通过重用其他功能的DCI来指示非周期SRS资源集的第一时隙偏移量,可以节约DCI开销,避免PDCCH拥堵。
在DCI为下行DCI的情况下,该实施例还可以包括如下步骤:在所述第一时隙偏移量指示的时隙,或在所述第一时隙偏移量指示的时隙之后的第一个有效时隙上发送所述SRS资源集内的SRS。
前文各个实施例中提到的非周期SRS资源集还可以配置有第二时隙偏移量,例如,通过RRC信令预先为非周期SRS资源集配置第二时隙偏移量,这样,前文各个实施例中提到的终端设备还可以执行如下之一:
1)优先使用所述第二时隙偏移量发送所述非周期SRS资源集内的SRS。
2)优先使用所述第一时隙偏移量发送所述非周期SRS资源集内的SRS。
3)根据所述第一时隙偏移量和所述第二时隙偏移量(例如,根据第一时隙偏移量和第二时隙偏移量之和),发送所述非周期SRS资源集内的SRS。
可以理解,上面三种情况还可以进行组合使用,例如,若通过所述非周期SRS资源集内的SRS资源,无法在第二时隙偏移量指示的位置进行SRS的发送,则使用所述DCI指示的第一时隙偏移量进行SRS发送。
前文各个实施例中提到的DCI如果同时激活多个所述非周期SRS资源集,则可以执行如下之一:
1)不使用所述DCI指示的所述第一时隙偏移量。例如,仅使用RRC配置的第二时隙偏移量进行SRS的发送。
2)所述DCI指示多个所述非周期SRS资源集的多个所述第一时隙偏移量。
3)多个所述非周期SRS资源集包括第一非周期SRS资源集和第二非周期SRS资源集,所述DCI指示所述第一非周期SRS资源集的所述第一时隙偏移量A,则所述第二非周期SRS资源集的所述第一时隙偏移量X是通过如下至少一项参数确定得到的:所述A;所述第一非周期SRS资源集配置的第二时隙偏移量B;所述第二非周期SRS资源集配置的第二时隙偏移量C。例如,所述X通过预设公式确定,该预设公式与A、B和C中的至少一项相关,例如X通过如下公式确定得到:X=A+C-B。
4)多个所述非周期SRS资源集包括第一非周期SRS资源集和第二非周期SRS资源集,所述DCI指示所述第一非周期SRS资源集的所述第一时隙偏移量,则终端设备还可以在所述第一非周期SRS资源集之后的有效时隙上发送所述第二非周期SRS资源集内的SRS。该有效时隙为能够发送所述第二非周期SRS资源集内的全部SRS资源的上行时隙。
可选地,在所述第二非周期SRS资源集为多个的情况下,所述在所述第 一非周期SRS资源集之后的有效时隙上发送所述第二非周期SRS资源集内的SRS包括:按照目标顺序,依次在所述第一SRS资源集之后的有效时隙上发送多个所述第二非周期SRS资源集内的SRS。该有效时隙为能够发送所述第二非周期SRS资源集内的全部SRS资源的上行时隙。
所述目标顺序是根据多个所述第二非周期SRS资源集的编号确定的(例如,按照编号从小到大的顺序);或者所述目标顺序是根据多个所述第二非周期SRS资源集分别配置的第二时隙偏移量的大小确定的(例如,按照多个第二时隙偏移量从小到大的顺序)。
可选地,上述3)和4)中提到第一非周期SRS资源集可以是所述DCI同时激活的多个所述非周期SRS资源集中满足以下条件之一的非周期SRS资源集:编号最大的;编号最小的;所述DCI关联的;配置的第二时隙偏移量为最大的;配置的第二时隙偏移量为最小的。
上述实施例通过DCI可以激活多个非周期SRS资源集,还可以指示多个非周期SRS资源集的多个所述第一时隙偏移量,避免因在同一个时隙上发送多个DCI分别触发不同的非周期SRS资源集造成的PDCCH拥堵的问题。
可选地,实施例100还可以包括如下至少之一的步骤:
1)如果所述非周期SRS资源集没有通过RRC信令配置第二时隙偏移量,则通过所述第一时隙偏移量发送所述非周期SRS资源集内的SRS;
2)如果所述非周期SRS资源集通过RRC信令配置有所述第二时隙偏移量,则通过所述第二时隙偏移量发送所述非周期SRS资源集内的SRS,所述第一时隙偏移量不生效。
需要说明的是,本说明书上述各个实施例中提到的SRS,均可以是指非周期SRS。
以上结合图1详细描述了根据本发明实施例的非周期SRS的时隙偏移指示方法。下面将结合图2详细描述根据本发明另一实施例的非周期SRS的时隙偏移指示方法。可以理解的是,从网络设备侧描述的网络设备与终端设备 的交互与图1所示的方法中的终端设备侧的描述相同,为避免重复,适当省略相关描述。
图2是本发明实施例的非周期SRS的时隙偏移指示方法实现流程示意图,可以应用在网络设备侧。如图2所示,该方法200包括:
S202:发送DCI,所述DCI用于指示非周期SRS资源集的第一时隙偏移量。
本发明实施例提供的非周期SRS的时隙偏移指示方法,网络设备可以通过DCI动态指示非周期SRS资源集的时隙偏移量,时隙偏移量的指示方式更加灵活,便于满足不同的通信需求,提高通信效率。
可选地,作为一个实施例,所述DCI还用于如下之一:调度上行数据以及激活所述非周期SRS资源集,该DCI可以为上行DCI;激活所述非周期SRS资源集和非周期CSI报告,该DCI可以为上行DCI;激活或去激活在PUSCH上传输的半持续CSI报告以及用于激活所述非周期SRS资源集,该DCI可以为上行DCI;激活或去激活类型2上行授权以及激活所述非周期SRS资源集,该DCI可以为上行DCI;激活所述非周期SRS资源集,该DCI可以为下行DCI;调度下行数据和以及激活所述非周期SRS资源集,该DCI可以为下行DCI;激活或去激活DLSPS以及激活所述非周期SRS资源集,该DCI可以为下行DCI,也可以为上行DCI。
以上结合图1至图2详细描述了根据本发明实施例的非周期SRS的时隙偏移指示方法。下面将结合图3详细描述根据本发明实施例的终端设备。
图3是根据本发明实施例的终端设备的结构示意图。如图3所示,终端设备300包括:
接收模块302,可以用于接收DCI,所述DCI用于指示非周期SRS资源集的第一时隙偏移量。
本发明实施例中,网络设备可以通过DCI动态指示非周期SRS资源集的时隙偏移量,时隙偏移量的指示方式更加灵活,便于满足不同的通信需求, 提高通信效率。
可选地,作为一个实施例,所述DCI还用于调度上行数据以及激活所述非周期SRS资源集,所述DCI可以为上行DCI。
可选地,作为一个实施例,所述DCI还用于激活所述非周期SRS资源集和非周期信道状态信息CSI报告,所述DCI可以为上行DCI。
可选地,作为一个实施例,所述DCI包括上行共享信道UL-SCH域和CSI请求域;所述UL-SCH域设置为0,所述CSI请求域关联的CSI报告的上报配置设置为无。
可选地,作为一个实施例,所述DCI包括第一指示域,所述第一指示域用于指示所述第一时隙偏移量;其中,所述第一指示域包括如下至少之一:时域资源分配TDRA域、用于调度的物理下行共享信道PDSCH的传输功率控制TPC命令域、SRS资源指示域、调制编码方案域、混合自动重传请求HARQ进程数量域。
可选地,作为一个实施例,终端设备300还可以忽略所述DCI中的其他域,所述其他域为:除所述UL-SCH域、所述CSI请求域、SRS请求域和所述第一指示域之外的域。
可选地,作为一个实施例,所述DCI还用于激活或去激活半持续CSI报告以及用于激活所述非周期SRS资源集,所述DCI为上行DCI。
可选地,作为一个实施例,在所述DCI用于激活所述半持续CSI报告的情况下,所述DCI包括的第二指示域用于指示所述第一时隙偏移量;和/或,在所述DCI用于去激活所述半持续CSI报告的情况下,所述DCI包括的第三指示域用于指示所述第一时隙偏移量;其中,所述第二指示域包括如下至少之一:TDRA域、用于调度的PDSCH的TPC命令域、SRS资源指示域和调制编码方案域;所述第三指示域包括如下至少之一:TDRA域、用于调度的PDSCH的TPC命令域和SRS资源指示域。
可选地,作为一个实施例,所述DCI还用于激活或去激活类型2上行授 权以及激活所述非周期SRS资源集,所述DCI可以为上行DCI。
可选地,作为一个实施例,在所述DCI用于激活所述类型2上行授权的情况下,所述DCI包括的TDRA域用于指示所述第一时隙偏移量;和/或,在所述DCI用于去激活所述类型2上行授权的情况下,所述DCI包括的第三指示域用于指示所述第一时隙偏移量;其中,所述第三指示域包括如下至少之一:TDRA域、用于调度的PDSCH的TPC命令域和SRS资源指示域。
可选地,作为一个实施例,所述DCI还用于激活所述非周期SRS资源集,所述DCI可以为下行DCI。
可选地,作为一个实施例,所述DCI包括新增的指示域,新增的所述指示域用于指示所述DCI是否用于激活所述非周期SRS资源集。
可选地,作为一个实施例,所述DCI包括第四指示域,所述第四指示域用于指示所述第一时隙偏移量;其中,所述第四指示域为如下至少之一:TDRA域、频域资源分配FDRA域、用于调度的PDSCH的TPC命令域、SRS资源指示域和调制编码方案域。
可选地,作为一个实施例,所述DCI还用于调度下行数据和以及激活所述非周期SRS资源集,所述DCI可以为下行DCI。
可选地,作为一个实施例,所述DCI包括TDRA域,所述TDRA域用于指示所述第一时隙偏移量。
可选地,作为一个实施例,所述DCI还用于激活或去激活下行DL半持续调度SPS以及激活所述非周期SRS资源集。
可选地,作为一个实施例,在所述DCI用于激活所述DL SPS的情况下,所述DCI包括的TDRA用于指示所述第一时隙偏移量;和/或,在所述DCI用于去激活所述DL SPS报告的情况下,所述DCI包括的第五指示域用于指示所述第一时隙偏移量;其中,所述第五指示域为如下至少之一:TDRA域、用于调度的PDSCH的TPC命令域和SRS资源指示域。
可选地,作为一个实施例,所述非周期SRS资源集配置有第二时隙偏移 量,所述终端设备300还可以优先使用所述第二时隙偏移量发送所述非周期SRS资源集内的SRS。
可选地,作为一个实施例,所述非周期SRS资源集配置有第二时隙偏移量,所述终端设备300还可以优先使用所述第一时隙偏移量发送所述非周期SRS资源集内的SRS。
可选地,作为一个实施例,所述非周期SRS资源集配置有第二时隙偏移量,所述终端设备300还可以根据所述第一时隙偏移量和所述第二时隙偏移量,发送所述非周期SRS资源集内的SRS。
可选地,作为一个实施例,如果所述DCI同时激活多个所述非周期SRS资源集,则所述终端设备300还可以:不使用所述DCI指示的所述第一时隙偏移量;或,所述DCI指示多个所述非周期SRS资源集的多个所述第一时隙偏移量。
可选地,作为一个实施例,如果所述DCI同时激活多个所述非周期SRS资源集,多个所述非周期SRS资源集包括第一非周期SRS资源集和第二非周期SRS资源集,所述DCI指示所述第一非周期SRS资源集的所述第一时隙偏移量为A,则所述第二SRS资源集的所述第一时隙偏移量为X,所述X是通过如下参数确定得到的:所述A;所述第一非周期SRS资源集配置的第二时隙偏移量B;所述第二非周期SRS资源集配置的第二时隙偏移量C。
可选地,作为一个实施例,所述X通过如下公式确定得到:X=A+C-B,其中,C为所述第二非周期SRS资源集配置的第二时隙偏移量,B为所述第一非周期SRS资源集配置的第二时隙偏移量。
可选地,作为一个实施例,如果所述DCI同时激活多个所述非周期SRS资源集,多个所述非周期SRS资源集包括第一非周期SRS资源集和第二非周期SRS资源集,所述DCI指示所述第一非周期SRS资源集的所述第一时隙偏移量,则终端设备300还包括发送模块,可以用于在所述第一非周期SRS资源集之后的有效时隙上,发送所述第二非周期SRS资源集内的SRS。
可选地,作为一个实施例,在所述第二非周期SRS资源集为多个的情况下,发送模块,可以用于:按照目标顺序,依次在所述第一非周期SRS资源集之后的有效时隙上,发送多个所述第二非周期SRS资源集内的SRS。
可选地,作为一个实施例,所述目标顺序是根据多个所述第二非周期SRS资源集的编号确定的;或者所述目标顺序是根据多个所述第二非周期SRS资源集分别配置的第二时隙偏移量的大小确定的。
可选地,作为一个实施例,所述第一非周期SRS资源集是所述DCI同时激活的多个所述非周期SRS资源集中满足以下条件之一的非周期SRS资源集:编号最大的;编号最小的;所述DCI关联的;配置的第二时隙偏移量为最大的;配置的第二时隙偏移量为最小的。
可选地,作为一个实施例,所述有效时隙为能够发送所述第二非周期SRS资源集内的全部SRS资源的上行时隙。
可选地,作为一个实施例,终端设备300还包括发送模块,可以用于在所述第一时隙偏移量指示的时隙上,或在所述第一时隙偏移量指示的时隙之后的第一个有效时隙上,发送所述非周期SRS资源集内的SRS。
可选地,作为一个实施例,终端设备300还包括发送模块,可以用于在所述DCI为下行DCI的情况下,在所述第一时隙偏移量指示的时隙上,或在所述第一时隙偏移量指示的时隙之后的第一个有效时隙上,发送所述非周期SRS资源集内的SRS。
可选地,作为一个实施例,终端设备300还包括发送模块,可以用于如下至少之一:如果所述非周期SRS资源集没有配置第二时隙偏移量,则通过所述第一时隙偏移量发送所述非周期SRS资源集内的SRS;如果所述非周期SRS资源集配置有所述第二时隙偏移量,则通过所述第二时隙偏移量发送所述非周期SRS资源集内的SRS,所述第一时隙偏移量不生效。
可选地,作为一个实施例,接收模块302,还可以用于接收指示信息,所述指示信息用于指示是否通过所述DCI指示所述非周期SRS资源集的所述 第一时隙偏移量,所述非周期SRS资源集和目标标识ID相对应;其中,所述目标ID包括如下至少之一:SRS资源ID;SRS资源集ID;DCI格式;带宽部分BWP ID;用户ID;载波控制单元ID;用途。
根据本发明实施例的终端设备300可以参照对应本发明实施例的方法100的流程,并且,该终端设备300中的各个单元/模块和上述其他操作和/或功能分别为了实现方法100中的相应流程,并且能够达到相同或等同的技术效果,为了简洁,在此不再赘述。
图4是根据本发明实施例的网络设备的结构示意图。如图4所述,网络设备400包括:
发送模块402,可以用于发送DCI,所述DCI用于指示非周期SRS资源集的第一时隙偏移量。
本发明实施例中,网络设备可以通过DCI动态指示非周期SRS资源集的时隙偏移量,时隙偏移量的指示方式更加灵活,便于满足不同的通信需求,提高通信效率。
可选地,作为一个实施例,所述DCI还用于如下之一:调度上行数据以及激活所述非周期SRS资源集,该DCI可以为上行DCI;激活所述非周期SRS资源集和非周期CSI报告,该DCI可以为上行DCI;激活或去激活在PUSCH上传输的半持续CSI报告以及用于激活所述非周期SRS资源集,该DCI可以为上行DCI;激活或去激活类型2上行授权以及激活所述非周期SRS资源集,该DCI可以为上行DCI;激活所述非周期SRS资源集,该DCI可以为下行DCI;调度下行数据和以及激活所述非周期SRS资源集,该DCI可以为下行DCI;激活或去激活DLSPS以及激活所述非周期SRS资源集,该DCI可以为下行DCI,也可以为上行DCI。
根据本发明实施例的网络设备400可以参照对应本发明实施例的方法200的流程,并且,该网络设备400中的各个单元/模块和上述其他操作和/或功能分别为了实现方法200中的相应流程,并且能够达到相同或等同的技 术效果,为了简洁,在此不再赘述。
本说明书中的各个实施例采用递进的方式描述,每个实施例重点说明的通常是与其他实施例的不同之处,各个实施例之间相同相似的部分互相参见即可。对于设备实施例而言,由于其与方法实施例基本相似,所以描述的比较简单,相关之处参见方法实施例的部分说明即可。
在指代某特征或名词时使用不定冠词或定冠词(例如,“一”、“该”)的情况下,所用冠词不对该特征或名词的数量产生限定,也就是说,除另外特别声明该特征或名词为一个的情况之外,并不排除该特征或名词包括多个的情况。
此外,在说明书和权利要求书中使用术语“第一”、“第二”和“第三”等来在相似参数之间进行区分,并且这些术语不必描述次序或时间顺序。应当理解,这样使用的术语在适当的环境下是可交换的,并且本文所描述的发明的实施方案能够以本文所描述或说明的次序之外的其它次序来操作。
图5是本发明另一个实施例的终端设备的框图。图5所示的终端设备500包括:至少一个处理器501、存储器502、至少一个网络接口504和用户接口503。终端设备500中的各个组件通过总线系统505耦合在一起。可理解,总线系统505用于实现这些组件之间的连接通信。总线系统505除包括数据总线之外,还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见,在图5中将各种总线都标为总线系统505。
其中,用户接口503可以包括显示器、键盘、点击设备(例如,鼠标,轨迹球(trackball))、触感板或者触摸屏等。
可以理解,本发明实施例中的存储器502可以是易失性存储器或非易失性存储器,或可包括易失性和非易失性存储器两者。其中,非易失性存储器 可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory,RAM),其用作外部高速缓存。通过示例性但不是限制性说明,许多形式的RAM可用,例如静态随机存取存储器(Static RAM,SRAM)、动态随机存取存储器(Dynamic RAM,DRAM)、同步动态随机存取存储器(Synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM,DDRSDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DRRAM)。本发明实施例描述的系统和方法的存储器502旨在包括但不限于这些和任意其它适合类型的存储器。
在一些实施方式中,存储器502存储了如下的元素,可执行模块或者数据结构,或者他们的子集,或者他们的扩展集:操作系统5021和应用程序5022。
其中,操作系统5021,包含各种系统程序,例如框架层、核心库层、驱动层等,用于实现各种基础业务以及处理基于硬件的任务。应用程序5022,包含各种应用程序,例如媒体播放器(Media Player)、浏览器(Browser)等,用于实现各种应用业务。实现本发明实施例方法的程序可以包含在应用程序5022中。
在本发明实施例中,终端设备500还包括:存储在存储器上502并可在处理器501上运行的指令或程序,指令或程序被处理器501执行时实现如下 方法实施例100的步骤。
上述本发明实施例揭示的方法可以应用于处理器501中,或者由处理器501实现。处理器501可能是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法的各步骤可以通过处理器501中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器501可以是通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现场可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本发明实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的可读存储介质中。该可读存储介质位于存储器502,处理器501读取存储器502中的信息,结合其硬件完成上述方法的步骤。具体地,该可读存储介质上存储有指令或程序,指令或程序被处理器501执行时实现如上述方法实施例100的各步骤。
可以理解的是,本发明实施例描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现,处理单元可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits,ASIC)、数字信号处理器(Digital Signal Processing,DSP)、数字信号处理设备(DSP Device,DSPD)、可编程逻辑设备(Programmable Logic Device,PLD)、现场可编程门阵列(Field-Programmable Gate Array,FPGA)、通用处理器、控 制器、微控制器、微处理器、用于执行本申请所述功能的其它电子单元或其组合中。
对于软件实现,可通过执行本发明实施例所述功能的模块(例如过程、函数等)来实现本发明实施例所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
终端设备500能够实现前述实施例中终端设备实现的各个过程,并且能够达到相同或等同的技术效果,为避免重复,这里不再赘述。
请参阅图6,图6是本发明实施例应用的网络设备的结构图,能够实现方法实施例200的细节,并达到相同的效果。如图6所示,网络设备600包括:处理器601、收发机602、存储器603和总线接口,其中:
在本发明实施例中,网络设备600还包括:存储在存储器上603并可在处理器601上运行的指令或程序,指令或程序被处理器601、执行时实现方法实施例200的步骤。
在图6中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器601代表的一个或多个处理器和存储器603代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机602可以是多个元件,即包括发送机和接收机,提供用于在传输介质上与各种其他装置通信的单元。
处理器601负责管理总线架构和通常的处理,存储器603可以存储处理器601在执行操作时所使用的数据。
本发明实施例还提供一种可读存储介质,可读存储介质上存储有指令或程序,该指令或程序被处理器执行时实现上述方法实施例100和方法实施例 200中任意一个方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。其中,所述的可读存储介质,如只读存储器(Read-Only Memory,简称ROM)、随机存取存储器(Random Access Memory,简称RAM)、磁碟或者光盘等。
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端(可以是手机,计算机,服务器,空调器,或者网络设备等)执行本发明各个实施例所述的方法。
上面结合附图对本发明的实施例进行了描述,但是本发明并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本发明的启示下,在不脱离本发明宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本发明的保护之内。

Claims (41)

  1. 一种非周期探测参考信号SRS的时隙偏移指示方法,所述方法由终端设备执行,所述方法包括:
    接收下行控制信息DCI,所述DCI用于指示非周期SRS资源集的第一时隙偏移量。
  2. 根据权利要求1所述的方法,其中,所述DCI还用于调度上行数据以及激活所述非周期SRS资源集。
  3. 根据权利要求1所述的方法,其中,所述DCI还用于激活所述非周期SRS资源集和非周期信道状态信息CSI报告。
  4. 根据权利要求3所述的方法,其中,所述DCI包括上行共享信道UL-SCH域和CSI请求域;所述UL-SCH域设置为0,所述CSI请求域关联的CSI报告的上报配置设置为无。
  5. 根据权利要求4所述的方法,其中,所述DCI包括第一指示域,所述第一指示域用于指示所述第一时隙偏移量;
    其中,所述第一指示域包括如下至少之一:时域资源分配TDRA域、用于调度的物理下行共享信道PDSCH的传输功率控制TPC命令域、SRS资源指示域、调制编码方案域和混合自动重传请求HARQ进程数量域。
  6. 根据权利要求5所述的方法,其中,所述方法还包括:
    忽略所述DCI中的其他域,所述其他域为:除所述UL-SCH域、所述CSI请求域、SRS请求域和所述第一指示域之外的域。
  7. 根据权利要求1所述的方法,其中,所述DCI还用于激活或去激活半持续CSI报告以及用于激活所述非周期SRS资源集。
  8. 根据权利要求7所述的方法,其中,
    在所述DCI用于激活所述半持续CSI报告的情况下,所述DCI包括的第二指示域用于指示所述第一时隙偏移量;其中,所述第二指示域包括如下至少之一:TDRA域、TPC命令域、SRS资源指示域和调制编码方案域;和/ 或,
    在所述DCI用于去激活所述半持续CSI报告的情况下,所述DCI包括的第三指示域用于指示所述第一时隙偏移量;所述第三指示域包括如下至少之一:TDRA域、用于调度的PDSCH的TPC命令域和SRS资源指示域。
  9. 根据权利要求1所述的方法,其中,所述DCI还用于激活或去激活类型2上行授权以及激活所述非周期SRS资源集。
  10. 根据权利要求9所述的方法,其中,
    在所述DCI用于激活所述类型2上行授权的情况下,所述DCI包括的TDRA域用于指示所述第一时隙偏移量;和/或
    在所述DCI用于去激活所述类型2上行授权的情况下,所述DCI包括的第三指示域用于指示所述第一时隙偏移量;
    其中,所述第三指示域包括如下至少之一:TDRA域、用于调度的PDSCH的TPC命令域和SRS资源指示域。
  11. 根据权利要求1所述的方法,其中,所述DCI还用于激活所述非周期SRS资源集。
  12. 根据权利要求11所述的方法,其中,所述DCI包括新增的指示域,新增的所述指示域用于指示所述DCI是否用于激活所述非周期SRS资源集。
  13. 根据权利要求11所述的方法,其中,所述DCI包括第四指示域,所述第四指示域用于指示所述第一时隙偏移量;
    其中,所述第四指示域为如下至少之一:TDRA域、频域资源分配FDRA域、用于调度的PDSCH的TPC命令域、SRS资源指示域和调制编码方案域。
  14. 根据权利要求1所述的方法,其中,所述DCI还用于调度下行数据和以及激活所述非周期SRS资源集。
  15. 根据权利要求2、3或14所述的方法,其中,所述DCI包括TDRA域,所述TDRA域用于指示所述第一时隙偏移量。
  16. 根据权利要求1所述的方法,其中,所述DCI还用于激活或去激活 下行DL半持续调度SPS以及激活所述非周期SRS资源集。
  17. 根据权利要求16所述的方法,其中,
    在所述DCI用于激活所述DL SPS的情况下,所述DCI包括的TDRA用于指示所述第一时隙偏移量;和/或
    在所述DCI用于去激活所述DL SPS报告的情况下,所述DCI包括的第五指示域用于指示所述第一时隙偏移量;
    其中,所述第五指示域为如下至少之一:TDRA域、用于调度的PDSCH的TPC命令域和SRS资源指示域。
  18. 根据权利要求1所述的方法,其中,所述非周期SRS资源集配置有第二时隙偏移量,所述方法还包括:
    优先使用所述第二时隙偏移量发送所述非周期SRS资源集内的SRS。
  19. 根据权利要求1所述的方法,其中,所述非周期SRS资源集配置有第二时隙偏移量,所述方法还包括:
    优先使用所述第一时隙偏移量发送所述非周期SRS资源集内的SRS。
  20. 根据权利要求1所述的方法,其中,所述非周期SRS资源集配置有第二时隙偏移量,所述方法还包括:
    根据所述第一时隙偏移量和所述第二时隙偏移量,发送所述非周期SRS资源集内的SRS。
  21. 根据权利要求1所述的方法,其中,如果所述DCI同时激活多个所述非周期SRS资源集,则
    不使用所述DCI指示的所述第一时隙偏移量;或
    所述DCI指示多个所述非周期SRS资源集的多个所述第一时隙偏移量。
  22. 根据权利要求1所述的方法,其中,如果所述DCI同时激活多个所述非周期SRS资源集,多个所述非周期SRS资源集包括第一非周期SRS资源集和第二非周期SRS资源集,所述DCI指示所述第一非周期SRS资源集的所述第一时隙偏移量为A,则
    所述第二非周期SRS资源集的所述第一时隙偏移量为X,所述X是通过以下至少一项参数确定得到的:所述A;所述第一非周期SRS资源集配置的第二时隙偏移量;所述第二非周期SRS资源集配置的第二时隙偏移量。
  23. 根据权利要求22所述的方法,其中,所述X通过如下公式确定得到:X=A+C-B,其中,C为所述第二非周期SRS资源集配置的第二时隙偏移量,B为所述第一非周期SRS资源集配置的第二时隙偏移量。
  24. 根据权利要求1所述的方法,其中,如果所述DCI同时激活多个所述非周期SRS资源集,多个所述非周期SRS资源集包括第一SRS资源集和第二非周期SRS资源集,所述DCI指示所述第一非周期SRS资源集的所述第一时隙偏移量,所述方法还包括:
    在所述第一非周期SRS资源集之后的有效时隙上,发送所述第二SRS资源集内的SRS。
  25. 根据权利要求24所述的方法,其中,在所述第二非周期SRS资源集为多个的情况下,所述在所述第一非周期SRS资源集之后的有效时隙上,发送所述第二非周期SRS资源集内的SRS包括:
    按照目标顺序,依次在所述第一非周期SRS资源集之后的有效时隙上,发送多个所述第二非周期SRS资源集内的SRS。
  26. 根据权利要求25所述的方法,其中,
    所述目标顺序是根据多个所述第二非周期SRS资源集的编号确定的;或者
    所述目标顺序是根据多个所述第二非周期SRS资源集分别配置的第二时隙偏移量的大小确定的。
  27. 根据权利要求24所述的方法,其中,所述第一非周期SRS资源集是所述DCI同时激活的多个所述非周期SRS资源集中满足以下条件之一的非周期SRS资源集:
    编号最大的;
    编号最小的;
    所述DCI关联的;
    配置的第二时隙偏移量为最大的;
    配置的第二时隙偏移量为最小的。
  28. 根据权利要求24或25所述的方法,其中,所述有效时隙为能够发送所述第二非周期SRS资源集内的全部SRS资源的上行时隙。
  29. 根据权利要求1所述的方法,其中,所述方法还包括:
    在所述第一时隙偏移量指示的时隙上,或在所述第一时隙偏移量指示的时隙之后的第一个有效时隙上,发送所述非周期SRS资源集内的SRS。
  30. 根据权利要求1所述的方法,其中,所述方法还包括:
    在所述DCI为下行DCI的情况下,在所述第一时隙偏移量指示的时隙上,或在所述第一时隙偏移量指示的时隙之后的第一个有效时隙上,发送所述非周期SRS资源集内的SRS。
  31. 根据权利要求1所述的方法,其中,所述方法还包括如下至少之一:
    如果所述非周期SRS资源集没有配置第二时隙偏移量,则通过所述第一时隙偏移量发送所述非周期SRS资源集内的SRS;
    如果所述非周期SRS资源集配置有所述第二时隙偏移量,则通过所述第二时隙偏移量发送所述非周期SRS资源集内的SRS,所述第一时隙偏移量不生效。
  32. 根据权利要求1所述的方法,其中,所述方法还包括:
    接收指示信息,所述指示信息用于指示是否通过所述DCI指示所述非周期SRS资源集的所述第一时隙偏移量,所述非周期SRS资源集和目标标识ID相对应;
    其中,所述目标ID包括如下至少之一:SRS资源ID;SRS资源集ID;DCI格式;带宽部分BWP ID;用户ID;载波控制单元ID;用途。
  33. 一种非周期SRS的时隙偏移指示方法,所述方法由网络设备执行, 所述方法包括:
    发送DCI,所述DCI用于指示非周期SRS资源集的第一时隙偏移量。
  34. 根据权利要求33所述的方法,其中,所述DCI还用于如下之一:
    调度上行数据以及激活所述非周期SRS资源集;
    激活所述非周期SRS资源集和非周期CSI报告;
    激活或去激活在PUSCH上传输的半持续CSI报告以及用于激活所述非周期SRS资源集;
    激活或去激活类型2上行授权以及激活所述非周期SRS资源集;
    激活所述非周期SRS资源集;
    调度下行数据和以及激活所述非周期SRS资源集;
    激活或去激活DLSPS以及激活所述非周期SRS资源集。
  35. 一种终端设备,包括:
    接收模块,用于接收DCI,所述DCI用于指示非周期SRS资源集的第一时隙偏移量。
  36. 根据权利要求35所述的终端设备,其中,所述DCI还用于如下之一:
    调度上行数据以及激活所述非周期SRS资源集;
    激活所述非周期SRS资源集和非周期CSI报告;
    激活或去激活在PUSCH上传输的半持续CSI报告以及用于激活所述非周期SRS资源集;
    激活或去激活类型2上行授权以及激活所述非周期SRS资源集;
    激活所述非周期SRS资源集;
    调度下行数据和以及激活所述非周期SRS资源集;
    激活或去激活DLSPS以及激活所述非周期SRS资源集。
  37. 一种网络设备,包括:
    发送模块,用于发送DCI,所述DCI用于指示非周期SRS资源集的第一 时隙偏移量。
  38. 根据权利要求37所述的网络设备,其中,所述DCI还用于如下之一:
    调度上行数据以及激活所述非周期SRS资源集;
    激活所述非周期SRS资源集和非周期CSI报告;
    激活或去激活在PUSCH上传输的半持续CSI报告以及用于激活所述非周期SRS资源集;
    激活或去激活类型2上行授权以及激活所述非周期SRS资源集;
    激活所述非周期SRS资源集;
    调度下行数据和以及激活所述非周期SRS资源集;
    激活或去激活DLSPS以及激活所述非周期SRS资源集。
  39. 一种终端设备,包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的指令或程序,所述指令或程序被所述处理器执行时实现如权利要求1至32中任一项所述的非周期SRS的时隙偏移指示方法。
  40. 一种网络设备,包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的指令或程序,所述指令或程序被所述处理器执行时实现如权利要求33至34中任一项所述的非周期SRS的时隙偏移指示方法。
  41. 一种可读存储介质,所述可读存储介质上存储有指令或程序,所述指令或程序被处理器执行时实现如权利要求1至34中任一项所述的非周期SRS的时隙偏移指示方法。
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