WO2024259620A1 - 无线通信的方法、终端设备和网络设备 - Google Patents
无线通信的方法、终端设备和网络设备 Download PDFInfo
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- WO2024259620A1 WO2024259620A1 PCT/CN2023/101618 CN2023101618W WO2024259620A1 WO 2024259620 A1 WO2024259620 A1 WO 2024259620A1 CN 2023101618 W CN2023101618 W CN 2023101618W WO 2024259620 A1 WO2024259620 A1 WO 2024259620A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
Definitions
- the embodiments of the present application relate to the field of communications, and specifically to a wireless communication method, terminal equipment, and network equipment.
- the uplink transmission scheme of multiple transmission reception points (TRP)/antenna panels can only support the terminal devices associated with each panel having the same capabilities.
- different panels deployed on terminal devices may have different capabilities. In this case, how to configure transmission parameters to ensure transmission performance is an urgent problem to be solved.
- the present application provides a wireless communication method, terminal equipment and network equipment, which are conducive to ensuring the uplink transmission performance of the terminal equipment.
- a method for wireless communication comprising: a terminal device reports terminal device capabilities to a network device; the terminal device receives n transmission parameter sets indicated by the network device, the n transmission parameter sets are used for n uplink transmissions of the terminal device, wherein n is a positive integer, and the transmission parameter sets include a combination of one or more of the following parameters: a sounding reference signal SRS resource set index, an SRS resource index, the number of SRS resources, a maximum number of SRS ports, and a maximum number of transmission layers corresponding to the SRS resource set index.
- a method for wireless communication including: a network device receives terminal device capabilities reported by a terminal device; indicates n transmission parameter sets to the terminal device, the n transmission parameter sets are used for n uplink transmissions of the terminal device, wherein n is a positive integer, and the transmission parameter sets include a combination of one or more of the following parameters: a sounding reference signal SRS resource set index, an SRS resource index, the number of SRS resources, a maximum number of SRS ports, and a maximum number of transmission layers corresponding to the SRS resource set index.
- a terminal device for executing the method in the first aspect or its various implementations.
- the terminal device includes a functional module for executing the method in the above-mentioned first aspect or its various implementation modes.
- a network device for executing the method in the second aspect or its respective implementation manners.
- the network device includes a functional module for executing the method in the above-mentioned second aspect or its various implementation modes.
- a terminal device comprising a processor and a memory, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect or its implementation manners.
- a network device comprising a processor and a memory, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect or its implementation manners.
- a chip for implementing the method in any one of the first to second aspects or their respective implementations.
- the chip includes: a processor for calling and running a computer program from a memory, so that a device equipped with the chip executes the method in any one of the first to second aspects or their respective implementations.
- a computer-readable storage medium for storing a computer program, wherein the computer program enables a computer to execute the method of any one of the first to second aspects or any of their implementations.
- a computer program product comprising computer program instructions, wherein the computer program instructions enable a computer to execute the method in any one of the first to second aspects above or in each of their implementations.
- a computer program which, when executed on a computer, enables the computer to execute the method in any one of the first to second aspects or in each of their implementations.
- the terminal device can report the terminal device capabilities supported by the n uplink transmissions of the terminal device to the network device. Further, the network device indicates n transmission parameter sets used for the n uplink transmissions, wherein the n transmission parameter sets correspond one-to-one to the n uplink transmissions, that is, the network device can configure a corresponding transmission parameter set for each uplink transmission. On the one hand, it improves the flexibility of panel switching when a panel with asymmetric capabilities is deployed on the terminal device side. On the other hand, by configuring a corresponding transmission parameter set for each uplink transmission, it is beneficial to ensure the performance of each of the n uplink transmissions.
- FIG1 is a schematic diagram of a communication system architecture provided in an embodiment of the present application.
- Figure 2 shows a TDM transmission scheme for PUSCH of multiple TRPs.
- Figure 3 shows an SDM transmission scheme for PUSCH of multiple TRPs.
- Figure 4 shows an SFN transmission scheme for PUSCH of multiple TRPs.
- 5 to 7 are schematic diagrams of three panels with different capabilities deployed on the terminal device side.
- FIG8 is a schematic interaction diagram of a wireless communication method provided according to an embodiment of the present application.
- FIG. 9 is a schematic diagram of an application scenario of an embodiment of the present application.
- FIG10 is a schematic interactive diagram of a method for indicating a transmission parameter set provided in an embodiment of the present application.
- FIG11 is a schematic interaction diagram of another method for indicating a set of transmission parameters provided in an embodiment of the present application.
- FIG12 is a schematic diagram of a method for using a transmission parameter set provided in an embodiment of the present application.
- FIG13 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
- FIG14 is a schematic block diagram of a network device provided according to an embodiment of the present application.
- FIG15 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
- FIG16 is a schematic block diagram of a chip provided according to an embodiment of the present application.
- FIG17 is a schematic block diagram of a communication system provided according to an embodiment of the present application.
- LTE-based access to unlicensed spectrum (LTE-U) systems LTE-based access to unlicensed spectrum (LTE-U) systems
- NR-based access to unlicensed spectrum (NR-U) systems NTN-based access to unlicensed spectrum (NR-U) systems
- NTN non-terrestrial communication networks
- UMTS universal mobile telecommunication systems
- WLAN wireless local area networks
- WiFi wireless fidelity
- 5G fifth-generation communication
- D2D device to device
- M2M machine to machine
- MTC machine type communication
- V2V vehicle to vehicle
- V2X vehicle to everything
- the communication system in the embodiments of the present application can be applied to a carrier aggregation (CA) scenario, a dual connectivity (DC) scenario, or a standalone (SA) networking scenario.
- CA carrier aggregation
- DC dual connectivity
- SA standalone
- the communication system in the embodiment of the present application can be applied to an unlicensed spectrum, wherein the unlicensed spectrum can also be considered as a shared spectrum; or, the communication system in the embodiment of the present application can also be applied to an authorized spectrum, wherein the authorized spectrum can also be considered as an unshared spectrum.
- the terminal device may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user device, etc.
- UE user equipment
- the terminal device can be a station (STA) in a WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA) device, a handheld device with wireless communication function, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in the next generation communication system such as the NR network, or a terminal device in the future evolved Public Land Mobile Network (PLMN) network, etc.
- STA station
- WLAN Wireless Local Loop
- PDA Personal Digital Assistant
- the terminal device can be deployed on land, including indoors or outdoors, handheld, wearable or vehicle-mounted; it can also be deployed on the water surface (such as ships, etc.); it can also be deployed in the air (for example, on airplanes, balloons and satellites, etc.).
- the terminal device may be a mobile phone, a tablet computer, a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self driving, a wireless terminal device in remote medical, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, or a wireless terminal device in a smart home, etc.
- VR virtual reality
- AR augmented reality
- the terminal device may also be a wearable device.
- Wearable devices may also be referred to as wearable smart devices, which are a general term for wearable devices that are intelligently designed and developed using wearable technology for daily wear, such as glasses, gloves, watches, clothing, and shoes.
- a wearable device is a portable device that is worn directly on the body or integrated into the user's clothes or accessories. Wearable devices are not only hardware devices, but also powerful functions achieved through software support, data interaction, and cloud interaction.
- wearable smart devices include full-featured, large-sized, and fully or partially independent of smartphones, such as smart watches or smart glasses, as well as devices that only focus on a certain type of application function and need to be used in conjunction with other devices such as smartphones, such as various types of smart bracelets and smart jewelry for vital sign monitoring.
- the network device may be a device for communicating with a mobile device.
- the network device may be an access point (AP) in WLAN, a base station (BTS) in GSM or CDMA, a base station (NodeB, NB) in WCDMA, an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, a network device (gNB) in an NR network, or a network device in a future evolved PLMN network, or a network device in an NTN network, etc.
- the network device may have a mobile feature, for example, the network device may be a mobile device.
- the network device may be a satellite or a balloon station.
- the satellite may be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, a high elliptical orbit (HEO) satellite, etc.
- the network device may also be a base station set up in a location such as land or water.
- a network device can provide services for a cell, and a terminal device communicates with the network device through transmission resources (e.g., frequency domain resources, or spectrum resources) used by the cell.
- the cell can be a cell corresponding to a network device (e.g., a base station).
- the cell can belong to a macro base station or a base station corresponding to a small cell.
- the small cells here may include: metro cells, micro cells, pico cells, femto cells, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
- the communication system 100 may include a network device 110, which may be a device that communicates with a terminal device 120 (or referred to as a communication terminal or terminal).
- the network device 110 may provide communication coverage for a specific geographic area and may communicate with terminal devices located in the coverage area.
- FIG1 exemplarily shows a network device and two terminal devices.
- the communication system 100 may include multiple network devices and each network device may include another number of terminal devices within its coverage area, which is not limited in the embodiments of the present application.
- the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
- network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
- the device with communication function in the network/system in the embodiment of the present application can be called a communication device.
- the communication device may include a network device 110 and a terminal device 120 with communication function, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here; the communication device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobile management entity, which is not limited in the embodiment of the present application.
- the "indication" mentioned in the embodiments of the present application can be a direct indication, an indirect indication, or an indication of an association relationship.
- a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association relationship between A and B.
- corresponding may indicate a direct or indirect correspondence between two items, or an association relationship between the two items, or a relationship between indication and being indicated, configuration and being configured, and the like.
- pre-definition can be implemented by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in a device (for example, including a terminal device and a network device), and the present application does not limit the specific implementation method.
- pre-definition can refer to what is defined in the protocol.
- the "protocol” may refer to a standard protocol in the communication field, for example, it may include an LTE protocol, an NR protocol, and related protocols used in future communication systems, and the present application does not limit this.
- PUSCH physical uplink shared channel
- the NR system introduces incoherent transmission based on multiple TRPs for downlink and uplink.
- the backhaul connection between TRPs can be ideal or non-ideal.
- TRPs can exchange information quickly and dynamically.
- TRPs can only exchange information quasi-statically due to the large delay.
- downlink incoherent transmission multiple TRPs can be connected to each other.
- Different control channels can be used to independently schedule multiple PDSCH transmissions of a terminal, or the same control channel can be used to schedule transmissions of different TRPs, where data of different TRPs use different transmission layers. The latter can only be used in ideal backhaul situations.
- the UE can send PUSCH to two TRPs in a time-division multiplexing (TDM) manner.
- TDM time-division multiplexing
- network devices can schedule terminal devices to transmit PUSCH to two TRPs through a single downlink control information (DCI).
- DCI downlink control information
- PUSCH transmitted to two TRPs can be configured with independent transmission parameters, such as beams and precoding matrices, but the number of transmission layers of PUSCH transmitted to the two TRPs is constrained to be the same.
- PUSCH transmitted by terminal devices to different TRPs is aligned with the corresponding TRP for simulated beamforming, thereby distinguishing different PUSCHs in the spatial domain and providing uplink spectrum efficiency.
- the single DCI needs to include two sounding reference signal (SRS) resource indicator (SRI) fields and two precoding information and transmission layer number fields, where the first precoding information and transmission layer number field is used to indicate the precoding information and transmission layer number of the PUSCH sent to TRP1, and the transmission layer number of the PUSCH sent to TRP2 is the same as the transmission layer number indicated by the first precoding information and transmission layer number field.
- the first SRI field is used to indicate the beam direction of the PUSCH sent to TRP1
- the second SRI field is used to indicate the beam direction of the PUSCH sent to TRP2.
- the network equipment configures 2 SRS resource sets, and the first SRI field and the second SRI field correspond to the 2 SRS resource sets respectively, which are used to indicate the beam direction of PUSCH transmitted to the two TRPs.
- the second precoding information and layer number field only needs to indicate the precoding information, and the number of transmission layers is the same as the number of transmission layers indicated by the first precoding information and layer number field by default.
- Repetition type A slot-based PUSCH: Two groups of PUSCH (using the same or different redundancy versions (RV)) are sent at the same symbol position of K consecutive time slots. Each group of PUSCH is associated with an SRS resource set and a transmission configuration indicator (TCI) state.
- TCI transmission configuration indicator
- Repetition type B mini-slot-based PUSCH: Two groups of PUSCH (same or different RV versions) are sent on K nominal transmission opportunities. Each group of PUSCH is associated with an SRS resource set and TCI state.
- the uplink multi-panel/TRP transmission supports spatial-division multiplexing (SDM) transmission, single frequency network (SFN) transmission and TDM transmission.
- SDM spatial-division multiplexing
- SFN single frequency network
- FIG3 is a schematic diagram of an SDM transmission scheme, which satisfies the following characteristics:
- Different transport layers of a PUSCH are sent to different TRPs through different panels of the UE.
- the uplink resources occupied by different transport layers are the same, but the SRS resource sets associated with different transport layers are different and the TCI state is different.
- FIG4 is a schematic diagram of a SFN transmission scheme, which satisfies the following characteristics:
- the transmission scheme of multiple panels/TRPs can only associate the same terminal device capabilities with each panel deployed on the terminal device side.
- the following configurations associated with the SRS resource set associated with each panel are the same:
- the number of SRS resources in the SRS resource set is the number of SRS resources in the SRS resource set
- the terminal device reports the terminal device capability to the network device
- the terminal device receives n transmission parameter sets indicated by the network device, where n is a positive integer.
- the n uplink transmissions may be PUSCH transmissions, or may be other uplink transmissions, such as PUCCH transmissions, etc., which is not limited in the present application.
- the n transmission parameter sets are used for n uplink transmissions of the terminal device.
- one transmission parameter set among the n transmission parameter sets is used for one uplink transmission among the n uplink transmissions, that is, the n transmission parameter sets correspond one-to-one to the n uplink transmissions.
- the transmission parameter set includes a combination of one or more of the following parameters:
- SRS resource set index SRS resource index, number of SRS resources, maximum number of SRS ports, and maximum number of transmission layers corresponding to the SRS resource set index.
- a transmission parameter set includes the following parameters:
- An SRS resource set index and the maximum number of transmission layers are provided.
- a transmission parameter set includes the following parameters:
- An SRS resource set index the maximum number of transmission layers, and the maximum number of SRS ports.
- a transmission parameter set includes the following parameters:
- An SRS resource set index maximum number of transmission layers, SRS resource index, number of SRS resources, and maximum number of SRS ports.
- the SRS resource set index is a periodic SRS resource set index, a semi-persistent SRS resource set index, or a non-periodic SRS resource set index.
- the SRS resource index is used to indicate the SRS resources included in the SRS resource set indicated by the SRS resource set index.
- the number of SRS resources is used to indicate the number of SRS resources included in the SRS resource set indicated by the SRS resource set index.
- the maximum number of SRS ports is used to indicate the maximum number of ports corresponding to the SRS resources included in the SRS resource set indicated by the SRS resource set index.
- n 1
- the n uplink transmissions may be a single uplink transmission, for example, an uplink transmission of a single TRP/panel.
- n >1. That is, the n uplink transmissions may be multiple uplink transmissions, for example, uplink transmissions of multiple TRPs/panels.
- the uplink transmissions of multiple TRPs/panels may be scheduled by a single DCI, or may be scheduled by multiple DCIs.
- the embodiments of the present application may be applicable to uplink transmission of a single TRP/panel, or may be applicable to uplink transmission of multiple TRP/panels.
- the uplink transmission of multiple TRP/panels may be single-DCI scheduled, or may be multiple-DCI scheduled, and the present application does not impose any limitation on this.
- the configurations of the transmission parameters in different transmission parameter sets in the n transmission parameter sets are exactly the same.
- This situation may correspond to the same terminal device capabilities corresponding to the n uplink transmissions, for example, the terminal device capabilities associated with the panels used by the n uplink transmissions are the same.
- the n transmission parameter sets include a first transmission parameter set and a second transmission parameter set
- the first transmission parameter set includes a first SRS resource set index and a first maximum number of transmission layers
- the second transmission parameter set includes a second SRS resource set index and a second maximum number of transmission layers
- the first SRS resource set index and the second SRS resource set index are the same
- the first maximum number of transmission layers and the second maximum number of transmission layers may be the same.
- configuration parts of transmission parameters in different transmission parameter sets among the n transmission parameter sets are different, or completely different.
- the n transmission parameter sets include a first transmission parameter set and a second transmission parameter set
- the first transmission parameter set includes a first SRS resource set index and a first maximum number of transmission layers
- the second transmission parameter set includes a second SRS resource set index and a second maximum number of transmission layers
- the first SRS resource set index and the second SRS resource set index are different
- the first maximum number of transmission layers and the second maximum number of transmission layers may be the same.
- n when n>1, the number of transmission parameters included in different transmission parameter sets in the n transmission parameter sets may be the same, or may be different.
- the n transmission parameter sets include a first transmission parameter set and a second transmission parameter set, the first transmission parameter set includes y transmission parameters, y is a positive integer greater than 1, and the second transmission parameter set includes z transmission parameters, z is a positive integer. If the y transmission parameters include the z transmission parameters, and y is greater than z, that is, the y transmission parameters are y-z transmission parameters more than the z transmission parameters, then for the second transmission parameter set, the configuration of the y-z transmission parameters can adopt the same configuration as the y-z transmission parameters in the first transmission parameter set.
- the first transmission parameter set includes a first SRS resource set index, a first maximum number of transmission layers and a first maximum number of SRS ports
- the second transmission parameter set includes a second SRS resource set index and a second maximum number of transmission layers.
- the first transmission parameter set has one more transmission parameter than the second transmission parameter set, namely, the maximum number of SRS ports.
- the maximum number of SRS ports can be the same as the maximum number of SRS ports included in the first transmission parameter set, namely, the first maximum number of SRS ports is also used.
- a plurality of antenna panels are deployed on the terminal device, and at least two of the plurality of antenna panels are associated with different numbers of SRS ports.
- a first antenna panel and a second antenna panel are deployed on the terminal device, and the number of SRS ports associated with the first antenna panel and the second antenna panel are different.
- a first antenna panel, a second antenna panel, and a third antenna panel are deployed on a terminal device, wherein at least two of the first antenna panel, the second antenna panel, and the third antenna panel are associated with different numbers of SRS ports.
- the number of SRS ports associated with the first antenna panel is different from that of the second antenna panel, or the number of SRS ports associated with the first antenna panel is different from that of the third antenna panel, or the number of SRS ports associated with the first antenna panel, the second antenna panel, and the third antenna panel are different, such as the scenarios shown in Figures 5 to 7.
- the terminal device capabilities include but are not limited to: the antenna port capabilities supported by the terminal device for sending uplink transmissions or receiving downlink transmissions, such as the number of SRS ports supported by the terminal device for sending uplink transmissions or receiving downlink transmissions, or may also include other capabilities that affect transmission parameters, which are not limited in this application.
- the terminal device capability may be a terminal device capability for n uplink transmissions of the terminal device, for example including antenna port capabilities supported by the terminal device for sending the n uplink transmissions.
- the terminal device reporting the terminal device capabilities to the network device may refer to: the terminal device reporting the terminal device capabilities to the network device for the first time, or the terminal device reporting updated terminal device capabilities to the network device.
- the terminal device reports the updated terminal device capabilities to the network device.
- the updated terminal device capabilities are the currently supported terminal device capabilities.
- the terminal device capabilities may be the antenna port capabilities currently supported for sending uplink transmissions or receiving downlink transmissions, for example, the number of SRS ports currently supported by the terminal device for sending uplink transmissions or receiving downlink transmissions.
- the change in the terminal device capability may include: a change in the antenna port capability supported by the terminal device for sending uplink transmissions or receiving downlink transmissions, for example, a change in the number of SRS ports supported for sending uplink transmissions or receiving downlink transmissions. It should be understood that the present application does not limit the reasons for triggering the change in the terminal device capability. For example, when the terminal device dynamically switches between panels for sending uplink transmissions and for receiving downlink transmissions, and the number of SRS ports associated with the panels before and after the switching is different, the terminal device capability may change.
- multiple antenna panels are deployed on the terminal device side.
- multiple antenna panels for example, including a first antenna panel and a second antenna panel
- the sending of uplink transmission is switched from the first antenna panel to the second antenna panel, where the number of SRS ports associated with the first antenna panel and the second antenna panel are different, it can be considered that the terminal device capability supported by the terminal device for sending uplink transmission has changed.
- the uplink transmission to be sent by the terminal device includes two uplink transmissions. If the antenna panels used by the two uplink transmissions are switched from the first antenna panel and the second antenna panel to the second antenna panel and the third antenna panel, wherein the number of SRS ports associated with the first antenna panel, the second antenna panel, and the third antenna panel are different, then it can be considered that the terminal device capabilities supported by the terminal device for sending uplink transmissions have changed.
- the n transmission parameter sets may be determined based on the terminal device capabilities reported by the terminal device, wherein the n transmission parameter sets are suitable for the reported terminal device capabilities.
- the n transmission parameter sets may be n transmission parameter sets initially activated by the network device, or may be n transmission parameter sets updated by the network device.
- the network device may configure (eg, via RRC signaling) m transmission parameter sets for the terminal device.
- the m transmission parameter sets are suitable for matching multiple terminal device capabilities.
- the network device can activate n of the transmission parameter sets and indicate the n transmission parameter sets to the terminal device.
- the network device can update the activated transmission parameter sets to adapt to the updated terminal device capabilities.
- the network device can dynamically indicate the updated transmission parameter set to the terminal device (for example, through MAC CE or DCI), where m is a positive integer greater than 2.
- the RRC signaling may include the m transmission parameter sets.
- the network device may dynamically indicate n transmission parameter sets among the m transmission parameter sets, and the terminal device may send uplink transmissions based on the n transmission parameter sets.
- the RRC signaling may include indexes corresponding to the m transmission parameter sets and specific transmission parameter configurations. Furthermore, when the terminal device reports the terminal device capabilities, the network device may indicate the index of the activated or updated transmission parameter set. In this way, the terminal device can determine the target transmission parameter set based on the index and the transmission parameter configuration corresponding to the index obtained from the RRC signaling, and further can send an uplink transmission based on the target transmission parameter set.
- the n uplink transmissions of the terminal device may include all uplink transmissions to be sent by the terminal device, or may include only uplink transmissions whose transmission parameters are to be updated, such as uplink transmissions affected by changes in terminal device capabilities.
- all uplink transmissions to be sent by the terminal device include N uplink transmissions, and the n uplink transmissions may include part or all of the N uplink transmissions.
- the antenna port capability supported by the terminal device for sending the n uplink transmissions changes.
- Embodiment 1 A transmission parameter set is indicated through a Media Access Control Control Element (MAC CE).
- MAC CE Media Access Control Control Element
- This embodiment 1 can be applicable to uplink transmission of a single TRP/panel, uplink transmission of multiple TRP/panels scheduled by a single DCI, and uplink transmission of multiple TRP/panels scheduled by multiple DCIs.
- the terminal device when the capabilities of the terminal device change, for example, the terminal device dynamically switches the panel used to send uplink transmissions or receive downlink transmissions, resulting in a change in the capabilities of the terminal device, the terminal device can report the updated terminal device capabilities to the network device. Furthermore, the network device updates n transmission parameter sets through MAC CE for the current n uplink transmissions or downlink transmissions of the terminal device, thereby improving the flexibility of panel switching when panels with asymmetric capabilities are deployed on the terminal device side, and dynamically indicating the updated transmission parameter set through MAC CE shortens the switching delay.
- the MAC CE may be used to indicate one or more of the following information:
- SRS resource set index SRS resource index, number of SRS resources, maximum number of SRS ports, and maximum number of transmission layers corresponding to the SRS resource set index.
- the MAC CE may be used to indicate one or more of an updated SRS resource set, the SRS resources included in the updated SRS resource set, the number of SRS resources included in the updated SRS resource set, the maximum number of SRS ports of the SRS resources included in the updated SRS resource set, and the maximum number of transmission layers corresponding to the updated SRS resource set.
- the n transmission parameter sets belong to m transmission parameter sets (i.e., the n transmission parameter sets are included in the m transmission parameter sets), and the m SRS resource set indexes are configured through radio resource control RRC signaling, where m is a positive integer greater than 2, and n ⁇ m.
- the network device can configure m transmission parameter sets for the terminal device through RRC signaling, and further indicate the target transmission parameter set for uplink transmission, i.e., n transmission parameter sets, through MAC CE.
- n 4.
- the network device may select an updated transmission parameter set from the m transmission parameter sets according to the updated terminal device capabilities, and further indicate the updated transmission parameter set to the terminal device through the MAC CE. For example, the network device may select a suitable SRS resource set index according to the updated number of SRS ports reported by the terminal device, for example, the maximum number of SRS ports of the SRS resources included in the SRS resource set indicated by the selected SRS resource set index is greater than or equal to the number of SRS ports reported by the terminal device.
- the network device can configure more than two SRS resource sets for "codebooks” or “noncodebooks” through RRC signaling to adapt to different terminal device capabilities.
- the SRS resource set associated with the uplink transmission of multiple TRPs/panels i.e., the SRS resource set used for the uplink transmission of the multiple TRPs/panels
- the network device indicates the appropriate SRS resource set through MAC CE, which shortens the switching delay and improves the flexibility of the terminal device implementation.
- the n transmission parameter sets may be indicated by one MAC CE, or may be indicated by n MAC CEs, for example, each of the n MAC CEs is used to indicate a transmission parameter set.
- the network device can indicate a set of transmission parameters for the uplink transmission via a MAC CE.
- the network device can use n MAC CEs. Indicate the n transmission parameter sets, wherein one MAC CE among the n MAC CEs is used to indicate one transmission parameter set.
- the network device can indicate the n transmission parameter sets through one MAC CE.
- the following describes the structural design of the MAC CE used to carry the transmission parameter set in conjunction with a specific embodiment.
- Example 1-1 n transmission parameter sets are indicated by n MAC CEs.
- one MAC CE may be used to indicate a transmission parameter set for one uplink transmission among n uplink transmissions.
- the one uplink transmission can be the uplink transmission of a single TRP/panel.
- the network device may indicate an updated set of transmission parameters for uplink transmission of the single TRP/panel through a MAC CE.
- the terminal device may obtain an updated set of transmission parameters for uplink transmission of the single TRP/panel through a MAC CE.
- the one uplink transmission may be one of the uplink transmissions of multiple TRPs/panels scheduled by multiple DCIs.
- the network device may indicate the updated transmission parameter set for each of the multiple uplink transmissions through multiple MAC CEs.
- the terminal device may obtain the updated transmission parameter set for each of the multiple uplink transmissions through multiple MAC CEs.
- the network device may also update only the transmission parameter sets corresponding to some uplink transmissions.
- the network device may respectively indicate, through n MAC CEs, the transmission parameter sets corresponding to each of the n uplink transmissions for which the transmission parameter sets are to be updated, wherein the n uplink transmissions are the uplink transmissions for which the transmission parameter sets need to be updated among all the uplink transmissions to be sent by the terminal device.
- the MAC CE may include a CORESET group index (coreset pool index) and/or a TCI state to indicate the uplink transmission to which the transmission parameter set in the MAC CE is applied, for example, the transmission parameter set in the MAC CE is used for the uplink transmission of the DCI schedule associated with the CORESET group index and/or TCI state in the MAC CE.
- a CORESET group index coreset pool index
- TCI state TCI state
- a transmission parameter set may include an SRS resource set index and one or more transmission parameters associated with the SRS resource set index, for example, including but not limited to the maximum number of transmission layers, one or more of the maximum number of transmission layers, SRS resource index, number of SRS resources, and maximum number of SRS ports.
- the MAC CE may include an SRS resource set index and one or more transmission parameters associated with the SRS resource set index, for example, including but not limited to the maximum number of transmission layers, the maximum number of transmission layers, the SRS resource index, the number of SRS resources, and the maximum number of SRS ports.
- the MAC CE may also include a serving cell index (serving cell ID) and a bandwidth part index (Bandwidth part, BWP ID).
- serving cell ID serving cell index
- BWP ID bandwidth part index
- the following describes the structural design of a MAC CE for indicating a set of transmission parameters with reference to specific examples.
- the MAC CE is used to indicate the following information:
- An SRS resource set index and the maximum number of transmission layers are provided.
- a transmission parameter set may include an SRS resource set index and a maximum number of transmission layers.
- the network device may select a suitable SRS resource set according to the updated number of SRS ports reported by the terminal device, and further indicate to the terminal device an SRS resource set index corresponding to the SRS resource set, wherein the SRS resource set index is associated with a maximum number of transmission layers.
- Example 1 may be applicable to updating an SRS resource set whose purpose is a codebook or a non-codebook.
- Example 1 may be applicable to updating a set of transmission parameters corresponding to uplink transmission of a single TRP/panel.
- the MAC CE may include one or more of the following information:
- Bandwidth part index (Bandwidth part, BWP ID);
- the maximum number of transmission layers is the maximum number of transmission layers corresponding to the SRS resource set index.
- the SRS resource set index may be a periodic SRS resource set index, a semi-persistent SRS resource set index or a non-periodic SRS resource set index.
- the MAC CE structure provided in Example 1 is used to indicate the appropriate SRS resource set and the maximum number of transmission layers, which can shorten the switching delay of the transmission parameters and improve the flexibility of the terminal device.
- the MAC CE is used to indicate the maximum number of transmission layers associated with the SRS resource set, which can be applied to both codebook-based uplink transmission and non-codebook-based uplink transmission. Compared with RRC Configuring the maximum number of transmission layers shortens the switching delay of transmission parameters.
- the MAC CE is used to indicate the following information:
- An SRS resource set index maximum number of transmission layers, SRS resource index, number of SRS resources, and maximum number of SRS ports.
- a transmission parameter set may include an SRS resource set index, a maximum number of transmission layers, an SRS resource index, the number of SRS resources, and a maximum number of SRS ports.
- the maximum number of transmission layers is the maximum number of transmission layers corresponding to the SRS resource set index
- the SRS resource index is used to indicate the SRS resources included in the SRS resource set indicated by the SRS resource set index
- the number of SRS resources is used to indicate the number of SRS resources included in the SRS resource set indicated by the SRS resource set index
- the maximum number of SRS ports is used to indicate the maximum number of SRS ports of the SRS resources included in the SRS resource set indicated by the SRS resource set index.
- Example 2 may be applicable to updating an SRS resource set used as a codebook.
- the MAC CE includes one or more of the following information:
- the SRS resource set index may be divided into a periodic SRS resource set index, a semi-persistent SRS resource set index, and an aperiodic SRS resource set index.
- the MAC CE may also be used to indicate a coreset pool index and/or a TCI state, which is used to indicate the uplink transmission to which the transmission parameter set in the MAC CE applies.
- the MAC CE may be used to update a transmission parameter set corresponding to an uplink transmission in the uplink transmission of multiple TRPs/panels scheduled by multiple DCIs.
- Example 3 The MAC CE is used to indicate the following information:
- An SRS resource set index maximum number of transport layers, CORESET group index (or TCI state), SRS resource index, number of SRS resources, and maximum number of SRS ports.
- the maximum number of transmission layers is the maximum number of transmission layers corresponding to the SRS resource set index
- the SRS resource index is used to indicate the SRS resources included in the SRS resource set indicated by the SRS resource set index
- the number of SRS resources is used to indicate the number of SRS resources included in the SRS resource set indicated by the SRS resource set index
- the maximum number of SRS ports is used to indicate the maximum number of SRS ports of the SRS resources included in the SRS resource set indicated by the SRS resource set index
- the CORESET group index is used to indicate the CORESET group associated with the uplink transmission to which the SRS resource set indicated by the SRS resource set index is applicable.
- the CORESET group associated with the uplink transmission may refer to the uplink transmission being scheduled by the DCI associated with the CORESET group index.
- This example 3 can be used to update a transmission parameter set corresponding to an uplink transmission in the uplink transmission of multiple TRPs/panels scheduled by multiple DCIs.
- a coreset pool index or TCI state is used to indicate the uplink transmission to which the transmission parameter set in the MAC CE is applicable, for example, it can be applicable to the uplink transmission of the DCI scheduling associated with the coreset pool index or TCI state.
- the MAC CE includes one or more of the following information:
- serving cell ID serving cell ID
- BWP ID SRS resource set index
- maximum number of transmission layers CORESET group index (or TCI state)
- SRS resource index maximum number of SRS ports, reserved bits.
- the SRS resource set index may be a periodic SRS resource set index, a semi-persistent SRS resource set index or a non-periodic SRS resource set index.
- the MAC CE structure illustrated in Example 3 adds a CORESET group index or TCI state, which makes the association between transmission parameters and spatial information clearer, and is conducive to the terminal device updating the transmission parameters of the uplink transmission corresponding to the spatial information.
- the network device may configure more than 2 (for example, 4) SRS resource sets through RRC signaling, and further indicate two of the SRS resource sets through MAC CE, wherein the maximum number of SRS ports associated with the SRS resources in the two SRS resource sets are 2 and 4, respectively.
- the first MAC CE may include a first CORESET group index or a first TCI state, indicating that the transmission in the first MAC CE is The transmission parameter set is used for uplink transmission sent to TRP1, and the second MAC CE may include a second CORESET group index or a second TCI state, indicating that the transmission parameter set in the second MAC CE is used for uplink transmission sent to TRP2.
- the network device may also update only one transmission parameter set, that is, only update the transmission parameter set corresponding to the uplink transmission in which the antenna panel has changed.
- the network device may indicate an updated transmission parameter set through a MAC CE (such as a third MAC CE), and the third MAC CE indicates a second SRS resource set, and the maximum number of associated SRS ports is 1.
- the third MAC CE may include a second CORESET group index or a second TCI state, indicating that the transmission parameter set in the third MAC CE is used for uplink transmission sent to TRP2.
- Example 1-2 n transmission parameter sets are indicated by one MAC CE.
- MAC CE can be used to indicate multiple transmission parameter sets.
- the n uplink transmissions may be uplink transmissions of multiple TRPs/panels scheduled by a single DCI, or may be uplink transmissions of multiple TRPs/panels scheduled by multiple DCIs.
- the multiple transmission parameter sets correspond to multiple TRPs/panels one-to-one, for example, the first transmission parameter set is used for uplink transmissions sent to TRP1, and the second transmission parameter set is used for uplink transmissions sent to TRP2.
- each of the n transmission parameter sets may include an SRS resource set index and one or more transmission parameters associated with the SRS resource set index, for example, including but not limited to the maximum number of transmission layers, the maximum number of transmission layers, the SRS resource index, the number of SRS resources, and the maximum number of SRS ports.
- the MAC CE may include multiple SRS resource set indexes and one or more transmission parameters associated with each SRS resource set index in the multiple SRS resource set indexes, such as the maximum number of transmission layers, the maximum number of transmission layers, the SRS resource index, the number of SRS resources, the maximum number of SRS ports, etc.
- each transmission parameter set may correspond to a coreset pool index and/or a TCI state, which is used to indicate the uplink transmission to which the transmission parameter set applies, for example, an uplink transmission scheduled by a DCI associated with the coreset pool index and/or the TCI state.
- the MAC CE may also include a serving cell index (serving cell ID) and a bandwidth part index (Bandwidth part, BWP ID).
- serving cell ID serving cell index
- BWP ID bandwidth part index
- the following describes the structural design of the MAC CE used to indicate multiple transmission parameter sets with specific examples.
- the MAC CE is used to indicate the following information:
- Example 4 can be applied to uplink transmission of multiple TRPs/panels scheduled by a single DCI.
- the MAC CE includes one or more of the following information:
- serving cell index serving cell ID
- bandwidth part index bandwidth part index
- BWP ID bandwidth part index
- first SRS resource set index first maximum number of transmission layers
- second SRS resource set index second maximum number of transmission layers, reserved bits.
- the first SRS resource set index is used to indicate the first SRS resource set
- the second SRS resource set index is used to indicate the second SRS resource set
- the first maximum number of transmission layers is the maximum number of transmission layers corresponding to the first SRS resource set index
- the second maximum number of transmission layers is the maximum number of transmission layers corresponding to the second SRS resource set index.
- the first SRS resource set index may be a periodic SRS resource set index, a semi-persistent SRS resource set index or a non-periodic SRS resource set index.
- the MAC CE structure provided in Example 4 indicates appropriate SRS resource sets and the maximum number of transmission layers for multiple uplink transmissions, which can shorten the switching delay of transmission parameters and improve the flexibility of terminal device implementation.
- the maximum number of transmission layers associated with the SRS resource set is indicated by the MAC CE, which can be applied to both codebook-based uplink transmissions and non-codebook-based uplink transmissions. Compared with configuring the maximum number of transmission layers through RRC, the switching delay of transmission parameters is shortened.
- the MAC CE may also include a coreset pool index and/or a TCI state corresponding to each SRS resource set index in the n SRS resource indexes, for indicating the uplink transmission to which the SRS resource set index is applied.
- Example 4 may be applied to uplink transmission of multiple TRPs/panels scheduled by multiple DCIs.
- the MAC CE is used to indicate the following information:
- n SRS resource set indexes the maximum number of transmission layers corresponding to each of the n SRS resource set indexes, and the maximum number of SRS ports corresponding to each of the n SRS resource set indexes.
- Example 5 can be applied to uplink transmission of multiple TRPs/panels scheduled by a single DCI.
- the MAC CE includes one or more of the following information:
- serving cell index serving cell ID
- bandwidth part index bandwidth part index
- first SRS resource set index first maximum number of transmission layers, first maximum number of SRS ports, second SRS resource set index, second maximum number of transmission layers, second maximum number of SRS ports, reserved bits.
- the first SRS resource set index is used to indicate the first SRS resource set
- the second SRS resource set index is used to indicate the second SRS resource set
- the first maximum number of transmission layers is the maximum number of transmission layers corresponding to the first SRS resource set index
- the second maximum number of transmission layers is the maximum number of transmission layers corresponding to the second SRS resource set index
- the first maximum number of SRS ports is the maximum number of SRS ports of the SRS resources included in the first SRS resource set
- the second maximum number of SRS ports is the maximum number of SRS ports of the SRS resources included in the second SRS resource set.
- the first SRS resource set index, the first maximum number of transmission layers and the first maximum number of SRS ports constitute a first transmission parameter set
- the second SRS resource set index, the second maximum number of transmission layers and the second maximum number of SRS ports constitute a second transmission parameter set, which are used for different uplink transmissions respectively.
- the first SRS resource set index may be a periodic SRS resource set index, a semi-persistent SRS resource set index or a non-periodic SRS resource set index.
- the second SRS resource set index may be a periodic SRS resource set index, a semi-persistent SRS resource set index or a non-periodic SRS resource set index.
- the MAC CE structure provided in Example 5 indicates a suitable SRS resource set, a maximum number of transmission layers, and a maximum number of SRS ports for multiple uplink transmissions, which can shorten the switching delay of transmission parameters and improve the flexibility of terminal device implementation.
- the MAC CE is used to indicate the SRS resource set, the maximum number of transmission layers, and the maximum number of SRS ports, which can be applied to both codebook-based uplink transmissions and non-codebook-based uplink transmissions. Compared with configuring the maximum number of transmission layers through RRC, the switching delay of transmission parameters is shortened.
- the MAC CE may also include a coreset pool index and/or a TCI state corresponding to each SRS resource set index in the multiple SRS resource indexes, for indicating the uplink transmission to which the SRS resource set index is applied.
- Example 5 may be applied to uplink transmission of multiple TRPs/panels scheduled by multiple DCIs.
- the MAC CE is used to indicate the following information:
- n SRS resource set indexes the maximum number of transmission layers corresponding to each SRS resource set index in the n SRS resource indexes, the SRS resource index corresponding to each SRS resource set index in the n SRS resource indexes, the number of SRS resources corresponding to each SRS resource set index in the n SRS resource indexes, and the maximum number of SRS ports corresponding to each SRS resource set index in the n SRS resource indexes.
- Example 6 can be applied to uplink transmission of multiple TRPs/panels scheduled by a single DCI.
- the MAC CE includes one or more of the following information:
- serving cell index serving cell ID
- bandwidth part index bandwidth part index
- first SRS resource set index first maximum number of transmission layers
- first SRS resource index first maximum number of SRS ports
- second SRS resource set index second maximum number of transmission layers
- second SRS resource index second maximum number of SRS ports, reserved bits.
- the first SRS resource set index is used to indicate the first SRS resource set
- the second SRS resource set index is used to indicate the second SRS resource set
- the first maximum number of transmission layers is the maximum number of transmission layers corresponding to the first SRS resource set index
- the second maximum number of transmission layers is the maximum number of transmission layers corresponding to the second SRS resource set index
- the first SRS resource index is the SRS resource index corresponding to the SRS resources included in the first SRS resource set
- the second SRS resource index is the SRS resource index corresponding to the SRS resources included in the second SRS resource set
- the first maximum number of SRS ports is the maximum number of SRS ports of the SRS resources included in the first SRS resource set
- the second maximum number of SRS ports is the maximum number of SRS ports of the SRS resources included in the second SRS resource set.
- the first SRS resource set index, the first maximum number of transmission layers, the first SRS resource index and the first maximum number of SRS ports constitute a first transmission parameter set
- the second SRS resource set index, the second maximum number of transmission layers, the second SRS resource index, and the second maximum number of SRS ports constitute a second transmission parameter set, which are used for different uplink transmissions respectively.
- the first SRS resource set index may be a periodic SRS resource set index, a semi-persistent SRS resource set index or a non-periodic SRS resource set index.
- the second SRS resource set index may be a periodic SRS resource set index, a semi-persistent SRS resource set index or a non-periodic SRS resource set index.
- Example 6 adds the SRS resource index, the number of SRS resources, and the maximum number of SRS ports.
- the MAC CE structure in Example 6 is used to indicate appropriate transmission parameters, which can shorten the switching delay of the transmission parameters and improve the terminal device implementation. flexibility.
- the MAC CE may also include a coreset pool index and/or a TCI state corresponding to each SRS resource set index in the multiple SRS resource indexes, for indicating the uplink transmission to which the SRS resource set index is applied.
- Example 6 may be applied to uplink transmission of multiple TRPs/panels scheduled by multiple DCIs.
- the network device can configure more than 2 (for example, 4) SRS resource sets through RRC signaling, and further indicate two of the SRS resource sets through MAC CE, wherein the maximum number of SRS ports associated with the SRS resources in the two SRS resource sets are 2 and 4 respectively.
- the network device can indicate the updated two SRS resource sets through a MAC CE, for example, the one MAC CE indicates the first SRS resource set, the maximum number of associated SRS ports is 2, and the second SRS resource set, the maximum number of associated SRS ports is 1.
- the MAC CE can also indicate that the first SRS resource set is associated with the first CORESET group index or the first TCI state, indicating that the transmission parameter set in the first MAC CE is used for the uplink transmission sent to TRP1, and the MAC CE can also indicate that the first SRS resource set is associated with the second CORESET group index or the second TCI state, indicating that the transmission parameter set in the second MAC CE is used for the uplink transmission sent to TRP2.
- the CORESET group index or TCI state can indicate the uplink transmission to which the transmission parameters are applied, which is beneficial for the terminal device to update the transmission parameters of the uplink transmission corresponding to the spatial information.
- Example 1-3 n transmission parameter sets are indicated by p MAC CEs, where p>1 and p ⁇ n.
- the n uplink transmissions may include multiple DCI-scheduled uplink transmissions and/or a single DCI-scheduled uplink transmission.
- the n uplink transmissions may include r uplink transmissions, and n-r uplink transmissions, wherein each of the r uplink transmissions is scheduled by a single DCI, and the n-r uplink transmissions are uplink transmissions of multiple TRPs/panels scheduled by a single DCI, wherein r is a positive integer.
- the n uplink transmissions may include s uplink transmissions, and n-s uplink transmissions, wherein the s uplink transmissions are uplink transmissions of multiple TRPs/panels scheduled by a single DCI, and the n-s uplink transmissions are uplink transmissions of multiple TRPs/panels scheduled by multiple DCIs, wherein s is a positive integer greater than 1.
- the correspondence between p MAC CEs and n transmission parameter sets may be:
- Each of r MAC CEs out of p MAC CEs is used to indicate one transmission parameter set, and each of the other p-r MAC CEs is used to indicate multiple transmission parameter sets, for example, used to indicate two transmission parameter sets, where r is a positive integer and r is less than p.
- each of the r uplink transmissions is scheduled by a single DCI, then the transmission parameter set corresponding to each of the r uplink transmissions can be indicated by a separate MAC CE.
- the transmission parameter sets corresponding to the other n-r uplink transmissions can be indicated by one MAC CE.
- the correspondence between p MAC CEs and n transmission parameter sets may be:
- Each MAC CE among the p MAC CEs is used to indicate multiple transmission parameter sets, for example, to indicate two transmission parameter sets.
- the transmission parameter set corresponding to the s uplink transmissions can be indicated by one MAC CE.
- the transmission parameter set corresponding to each of the other n-s uplink transmissions can be indicated by a separate MAC CE.
- the MAC CE structure design in Example 1-1 can be referred to, and will not be repeated here for the sake of brevity.
- the MAC CE structure design in Example 1-2 can be referred to, and will not be repeated here for the sake of brevity.
- FIG10 is a schematic interaction diagram of an update method of a transmission parameter set in Embodiment 1 provided by an embodiment of the present application. As shown in FIG10 , the following steps may be included:
- the network device configures multiple transmission parameter sets for the terminal device through RRC signaling, and the multiple transmission parameter sets correspond to different terminal device capabilities.
- the multiple transmission parameter sets correspond to different antenna port capabilities.
- the terminal device reports the terminal device capability.
- the terminal device initially reports the terminal device capabilities, or, when the terminal device capabilities change, reports the changed terminal device capabilities, or updated terminal device capabilities.
- the network device indicates the target transmission parameter set (corresponding to the n transmission parameter sets in the previous text) through MAC CE.
- the network device may determine a target transmission parameter set based on the reported capabilities of the terminal device.
- the target transmission parameter set may be an initially activated transmission parameter set, or may also be an updated transmission parameter set.
- the network device may indicate a target transmission parameter set for the uplink transmission through a MAC CE.
- the MAC CE structure illustrated in Example 1-1 e.g., Example 1 or Example 2 may be used to indicate the target transmission parameter set.
- the network device may indicate the target transmission parameter set for each of the multiple uplink transmissions through multiple MAC CEs.
- the target transmission parameter set may be indicated by the MAC CE structure illustrated in Example 1-1 (e.g., Example 3), or the target transmission parameter set may be indicated by the MAC CE structure illustrated in Example 1-2.
- the target transmission parameter set may be indicated by the method described in Example 1-3.
- the network device may indicate a target transmission parameter set for each of the multiple uplink transmissions through a MAC CE.
- the MAC CE structure illustrated in Embodiment 1-2 may be used to indicate the target transmission parameter set.
- the target transmission parameter set may be indicated in the manner described in Embodiment 1-3.
- the terminal device sends an uplink transmission according to the indicated target transmission parameter set.
- the network device indicates the target transmission parameter set through MAC CE, which enables the network device to dynamically activate or update the transmission parameter set used for uplink transmission according to the terminal device capabilities, so that the activated or updated transmission parameter set is more matched with the reported terminal device capabilities, thereby improving the reliability of uplink transmission.
- Embodiment 2 indicating a transmission parameter set via DCI.
- the n transmission parameter sets belong to k transmission parameter sets
- the k transmission parameter sets belong to m transmission parameter sets
- the m transmission parameter sets are configured through RRC signaling
- the k transmission parameter set is activated in the m transmission parameter sets through MAC CE, wherein m is a positive integer greater than 2, k ⁇ m, n ⁇ k.
- the network device may configure m transmission parameter sets for the terminal device through RRC signaling, further indicate the activated k transmission parameter sets through MAC CE, and further indicate the target transmission parameter set for uplink transmission among the k transmission parameter sets through DCI.
- n 4.
- k 2.
- the network device when dynamically switching the panel used to send uplink transmission or to receive downlink transmission, the network device updates the appropriate transmission parameter set through DCI, thereby shortening the switching delay and improving the flexibility of the terminal device implementation.
- the terminal device when the capabilities of the terminal device change, for example, the terminal device dynamically switches the panel used to send uplink transmissions or to receive downlink transmissions, resulting in a change in the capabilities of the terminal device, the terminal device can report the updated terminal device capabilities to the network device. Further, the network device can activate k transmission parameter sets based on the updated terminal device capabilities, and further indicate to the terminal device through DCI a target transmission parameter set (i.e., the n transmission parameter sets) among the k transmission parameter sets for the current n uplink transmissions or downlink transmissions of the terminal device, thereby improving the flexibility of panel switching when a panel with asymmetric capabilities is deployed on the terminal device side, and dynamically indicating the updated transmission parameter set through DCI shortens the switching delay.
- a target transmission parameter set i.e., the n transmission parameter sets
- the network device can configure more than 2 SRS resource sets for "codebooks” or “noncodebooks” through RRC signaling, respectively adapting to different terminal device capabilities, and then activate k SRS resource sets through MAC CE.
- the SRS resource set associated with the uplink transmission to be sent i.e., the SRS resource set used for the uplink transmission to be sent
- the network device indicates the appropriate SRS resource set through DCI, which shortens the switching delay and improves the flexibility of the terminal device implementation.
- the n transmission parameter sets may be indicated by one DCI.
- the network device may indicate a set of transmission parameters for the uplink transmission through a DCI.
- the DCI may be a DCI for scheduling the uplink transmission.
- the network device may indicate the n transmission parameter sets through one DCI.
- the one DCI may be the DCI for scheduling the multiple uplink transmissions.
- the n transmission parameter sets may also be indicated by n DCIs, for example, each of the n DCIs is used to indicate a transmission parameter set.
- the network device can indicate the n transmission parameter sets through n DCIs, wherein one DCI among the n DCIs is used to indicate one transmission parameter set. It may be a transmission parameter set used for the DCI to schedule the uplink transmission.
- the n transmission parameter sets may also be indicated by q DCIs, where n>2, q>1 and q is less than n.
- the correspondence between q DCIs and n transmission parameter sets may be:
- Each of s DCIs among the q DCIs is used to indicate one transmission parameter set, and each of the other p-r DCIs is used to indicate multiple transmission parameter sets, for example, to indicate two transmission parameter sets, where s is a positive integer and s is less than q; or
- Each DCI in the q DCIs is used to indicate multiple transmission parameter sets, for example, used to indicate two transmission parameter sets, where s is a positive integer and s is less than q.
- the first information field may be an existing information field (eg, a reserved field) in the DCI, or may be a newly added information field, which is not limited in the present application.
- the DCI may be DCI format 0_1 or DCI format 0_2.
- Embodiment 2-1 The first information field is used to indicate a transmission parameter set, and the transmission parameter set is used for an uplink transmission.
- Embodiment 2-1 can be applicable to uplink transmission of a single TRP/panel and uplink transmission of multiple TRPs/panels scheduled by multiple DCIs.
- the n transmission parameter sets may be indicated by the first information fields in n DCIs respectively.
- the one uplink transmission can be the uplink transmission of a single TRP/panel.
- the network device can indicate the transmission parameter set for uplink transmission of the single TRP/panel through DCI, and the DCI can be the DCI for scheduling the uplink transmission.
- the terminal device can obtain the transmission parameter set for uplink transmission of the single TRP/panel through the DCI.
- the one uplink transmission may be one of the uplink transmissions of multiple TRPs/panels scheduled by multiple DCIs.
- the network device can indicate the transmission parameter set for each of the multiple uplink transmissions through multiple DCIs.
- the terminal device can obtain the transmission parameter set for each of the multiple uplink transmissions through multiple DCIs.
- the multiple DCIs include a first DCI and a second DCI
- the first DCI is used to schedule a first uplink transmission
- the second DCI is used to schedule a second uplink transmission.
- the network device can indicate a transmission parameter set for the first uplink transmission through the first DCI, and indicate a transmission parameter set for the second uplink transmission through the second DCI.
- Embodiment 2-2 The first information field is used to indicate multiple transmission parameter sets, each of which is used for an uplink transmission.
- Embodiment 2-2 can be applicable to uplink transmission of multiple TRPs/panels scheduled by a single DCI and uplink transmission of multiple TRPs/panels scheduled by multiple DCIs.
- the multiple transmission parameter sets correspond one-to-one to multiple TRPs/panels.
- the first transmission parameter set is used for uplink transmission sent to TRP1
- the second transmission parameter set is used for uplink transmission sent to TRP2.
- the first information field is used to indicate n transmission parameter sets, each of the n transmission parameter sets is used for one uplink transmission among n uplink transmissions, where n is greater than 1.
- the network device can indicate a set of transmission parameters for each of the multiple uplink transmissions through one DCI, and the one DCI can be the DCI for scheduling the multiple uplink transmissions.
- the terminal device can obtain a set of transmission parameters for each of the multiple uplink transmissions through the single DCI.
- the code point of the first information field is used to indicate one or more transmission parameter sets.
- the code point of the first information field is used to indicate a transmission parameter set, corresponding to embodiment 2-1.
- the code point of the first information field is used to indicate n transmission parameter sets, corresponding to embodiment 2-2.
- the code point of the first information field and the transmission parameter set have a corresponding relationship.
- the corresponding relationship may be indicated in the MAC CE.
- each code point in the first information field corresponds to one transmission parameter set among k transmission parameter sets activated by the MAC CE.
- each code point in the first information field corresponds to one transmission parameter set among k transmission parameter sets activated by MAC CE.
- each code point in the first information field corresponds to one transmission parameter set or n transmission parameter sets among k transmission parameter sets activated by MAC CE.
- each code point in the first information field corresponds to n transmission parameter sets out of k transmission parameter sets activated by the MAC CE.
- the first information field includes q bits, a total of 2q code points, each code point may correspond to one transmission parameter set or two transmission parameter sets among k transmission parameter sets activated by the MAC CE, where q is a positive integer.
- the MAC CE also includes an indication field for indicating the number n of transmission parameter sets among k transmission parameter sets activated by the MAC CE corresponding to each code point in the first information field of the DCI.
- the indication field can be used to indicate that each code point in the first information field corresponds to one or two transmission parameter sets among k transmission parameter sets activated by the MAC CE.
- the MAC CE may be used to indicate the following:
- a set of transmission parameters associated with each SRS resource set index such as a maximum number of transmission layers, a maximum number of transmission layers, an SRS resource index, a number of SRS resources, and a maximum number of SRS ports;
- the MAC CE is used to indicate one or more of the following information:
- the maximum number of transmission layers corresponding to the SRS resource set index is the maximum number of transmission layers corresponding to the SRS resource set index.
- MAC CE includes the following information:
- the first SRS resource set index corresponding to the first code point the maximum number of transmission layers corresponding to the first SRS resource set index
- the third SRS resource set index corresponding to the second code point the maximum number of transmission layers corresponding to the third SRS resource set index
- the 2q+ 1-1SRS resource set index corresponding to the 2qth code point the maximum number of transmission layers corresponding to the 2q+1-1SRS resource set index, reserved bits.
- the first SRS resource set index and the maximum number of transmission layers corresponding to the first SRS resource set index constitute a transmission parameter set
- the third SRS resource set index and the maximum number of transmission layers corresponding to the third SRS resource set index constitute a transmission parameter set
- the 2 q+1 -1 SRS resource set index and the maximum number of transmission layers corresponding to the 2 q+1 -1 SRS resource set index constitute a transmission parameter set
- one code point corresponds to one transmission parameter set.
- the SRS resource set indexes corresponding to different code points may be the same, or may be different.
- the resource set index values of the first SRS resource set index, the third SRS resource set index,..., the 2 q+1 -1 SRS resource set index may be the same or different.
- the first SRS resource set index is the SRS resource set with index i
- the third SRS resource set index may be the SRS resource set with index i or the SRS resource set with index j.
- the MAC CE includes the following information:
- first SRS resource set index corresponding to the first code point maximum number of transmission layers corresponding to the first SRS resource set index, second SRS resource set index corresponding to the first code point, maximum number of transmission layers corresponding to the second SRS resource set index, third SRS resource set index corresponding to the second code point, maximum number of transmission layers corresponding to the third SRS resource set index, fourth SRS resource set index corresponding to the second code point, maximum number of transmission layers corresponding to the fourth SRS resource set index, ..., 2q+ 1-1SRS resource set index corresponding to the 2qth code point, maximum number of transmission layers corresponding to the 2q + 1-1SRS resource set index, 2q +1 SRS resource set index corresponding to the 2qth code point, maximum number of transmission layers corresponding to the 2q+1 SRS resource set index, reserved bits.
- the first SRS resource set index and the maximum number of transmission layers corresponding to the first SRS resource set index constitute a transmission parameter set
- the second SRS resource set index and the maximum number of transmission layers corresponding to the second SRS resource set index constitute a transmission parameter set
- the third SRS resource set index and the maximum number of transmission layers corresponding to the third SRS resource set index constitute a transmission parameter set
- the 2q+ 1-1SRS resource set index and the maximum number of transmission layers corresponding to the 2q+ 1-1SRS resource set index constitute a transmission parameter set
- the 2q+1 SRS resource set index and the maximum number of transmission layers corresponding to the 2q+1 SRS resource set index constitute a transmission parameter set
- one code point corresponds to two transmission parameter sets, which are used for different uplink transmissions respectively.
- Example 8 two SRS resource set indexes corresponding to the same code point are different.
- the first SRS resource set index is different from the second SRS resource set index
- the third SRS resource set index is different from the fourth SRS resource set index
- the 2q+ 1-1SRS resource set index is different from the 2q+ 1SRS resource set index.
- the first SRS resource set indexes corresponding to different code points may be the same or different, and the second SRS resource set indexes corresponding to different code points may be the same or different.
- the resource set index values of the first SRS resource set index, the third SRS resource set index,..., the 2 q+1 -1 SRS resource set index may be the same or different.
- the first SRS resource set index is the SRS resource set with index i
- the third SRS resource set index may be the SRS resource set with index i or the SRS resource set with index j.
- the resource set index values of the second SRS resource set index, the fourth SRS resource set index,..., the 2q+1th SRS resource set index may be the same or different.
- the second SRS resource set index is the SRS resource set i
- the fourth SRS resource set index may be the SRS resource set indexed i or the SRS resource set indexed j.
- the MAC CE may also include an indication bit for indicating whether each code point in the first information field corresponds to one or two transmission parameter sets among k SRS resource set indices activated by the MAC CE.
- association relationship between the code point of the first information field and the transmission parameter set is as follows:
- Codepoint codepoint 00 indicates the first set of transmission parameters associated with uplink transmission
- Codepoint codepoint 01 indicates the second set of transmission parameter sets associated with uplink transmission
- Codepoint 10 indicates the third set of transmission parameters associated with uplink transmission
- Codepoint codepoint 11 indicates the fourth set of transmission parameters associated with uplink transmission.
- the number of transmission parameter sets included in a set of transmission parameter sets may be determined by an indication field.
- a group of transmission parameter sets includes one transmission parameter set
- a group of transmission parameter sets includes two transmission parameter sets.
- multiple DCIs include a first DCI and a second DCI, the first DCI is associated with a first CORSET group index, the second DCI is associated with a second CORSET group index, the first DCI is used to schedule a first uplink transmission, and the second DCI is used to schedule a second uplink transmission.
- Mode 1 The transmission parameter set indicated by the first DCI is only used for uplink transmission scheduled by the first DCI, or in other words, the transmission parameter set indicated by the first DCI associated with the first CORSET group index is only used for uplink transmission associated with the first CORSET group index.
- Mode 2 The transmission parameter set indicated by the first DCI is used for the uplink transmission scheduled by the multiple DCIs (including the first DCI and the second DCI), or the transmission parameter set indicated by the first DCI associated with the first CORSET group index is used for the uplink transmission associated with the first CORSET group index, and the uplink transmission associated with the second CORSET group index.
- Mode 3 The transmission parameter set indicated by the first DCI is used for uplink transmission scheduled by the second DCI, or the transmission parameter set indicated by the first DCI associated with the first CORSET group index is used for uplink transmission associated with the second CORSET group index.
- a code point in the first information field in the first DCI corresponds to a transmission parameter set, for example, corresponds to an SRS resource set index and an associated set of transmission parameters. Accordingly, the MAC CE can adopt the structure in Example 7.
- a code point in the first information field in the first DCI corresponds to multiple transmission parameter sets (for example, n transmission parameter sets, used for the n uplink transmissions), for example, corresponding to 2 SRS resource set indexes and a set of transmission parameters associated with each SRS resource set index. Accordingly, MAC CE can adopt the structure in Example 8.
- a code point in the first information field in the first DCI corresponds to a transmission parameter set, for example, corresponds to an SRS resource set index and an associated set of transmission parameters. Accordingly, the MAC CE can adopt the structure in Example 7.
- the method 200 further includes:
- the terminal device receives first indication information from a network device, where the first indication information is used to indicate a method for updating a transmission parameter set, such as using method 1, method 2 or method 3 as described above.
- the first indication information is used to indicate whether the transmission parameter set indicated by the DCI associated with the first CORSET group index is used for the uplink transmission associated with the first CORSET group index, or the uplink transmission associated with the first CORSET group index and the second CORSET group index, or the uplink transmission associated with the second CORSET group index.
- the first indication information may be sent via RRC signaling or MAC CE, or may be sent via DCI.
- FIG11 is a schematic interaction diagram of an update method of a transmission parameter set in Embodiment 2 provided in an embodiment of the present application. As shown in FIG11 , the following steps may be included:
- the network device configures m transmission parameter sets for the terminal device through RRC signaling, the m transmission parameter sets corresponding to different terminal device capabilities, and m is a positive integer greater than 2.
- the multiple transmission parameter sets correspond to different antenna port capabilities.
- the terminal device reports the terminal device capability.
- the network device indicates the activation of k transmission parameter sets through MAC CE, where k is less than or equal to m.
- the MAC CE may also indicate the correspondence between multiple code points in the first information field in the DCI and a set of transmission parameters. For example, it may indicate the SRS resource set index corresponding to each code point in the multiple code points and a set of transmission parameters associated with the SRS resource set index.
- the network device indicates, through DCI, a transmission parameter set among the k transmission parameter sets, or in other words, a target transmission parameter set for the current uplink transmission.
- the network device may determine a target transmission parameter set based on the terminal device capabilities of the device.
- the network device may indicate a target transmission parameter set for the uplink transmission by scheduling the DCI for the uplink transmission, for example, indicating a transmission parameter set for the uplink transmission by a code point in the first information field of the DCI.
- the terminal device may determine a transmission parameter set based on the code point in the first information field of the DCI, for example, 1 SRS resource set index and associated transmission parameters.
- the network device may respectively indicate the transmission parameter sets used for the scheduled uplink transmissions by scheduling multiple DCIs of the multiple uplink transmissions, for example, indicating a transmission parameter set for the uplink transmission scheduled by the DCI by the code point of the first information field in the DCI.
- the MAC CE may adopt the structural design in Example 7.
- the transmission parameter sets corresponding to the multiple uplink transmissions may be indicated by one DCI among the multiple DCIs.
- the MAC CE may adopt the structural design in Example 8.
- the network device may indicate a target transmission parameter set for each of the multiple uplink transmissions through the single DCI, for example, by indicating multiple transmission parameter sets through code points in the first information field in the DCI, and the multiple uplink transmissions are used for the multiple uplink transmissions scheduled by the DCI.
- the MAC CE may adopt the structural design in Example 8.
- the terminal device sends an uplink transmission according to the updated transmission parameter set.
- the network device indicates the target transmission parameter set through DCI, so that the network device can dynamically activate or update the transmission parameter set used for uplink transmission according to the terminal device capabilities, so that the activated or updated transmission parameter set is more matched with the reported terminal device capabilities, thereby improving the reliability of uplink transmission.
- Embodiment 3 The n transmission parameter sets are configured through the first RRC signaling.
- the first RRC signaling may include a set of transmission parameters for the uplink transmission.
- the first RRC signaling may include a set of transmission parameters for the multiple uplink transmissions.
- the method 200 further includes:
- the terminal device Within a first time period between receiving the first RRC signaling and the effectiveness of the transmission parameter set indicated by the first RRC signaling, the terminal device sends an uplink transmission according to the target maximum number of transmission layers, wherein the target maximum number of transmission layers is the smaller value of the maximum number of supported transmission layers reported by the terminal device and the maximum number of transmission layers configured by the second RRC signaling, and the second RRC signaling is the RRC signaling of the network device for the last time configuring the transmission parameter set.
- the terminal device reports updated terminal device capabilities to the network device at time t1, and receives the first RRC signaling from the network device at time t2.
- the first RRC signaling carries an updated transmission parameter set. Since it takes a certain amount of time for the transmission parameters configured by the RRC signaling to take effect, the transmission parameters take effect at time t3.
- uplink transmission is performed based on the smaller value of the maximum number of transmission layers currently supported by the terminal device and the maximum number of transmission layers last configured by the network device. This helps to avoid the problem of mismatch between the terminal device capabilities and the RRC configuration, and ensure the reliability of uplink transmission.
- a terminal device when a terminal device can report the supported terminal device capabilities of n uplink transmissions to a network device, for example, when the terminal device capabilities for the n uplink transmissions of the terminal device change, specifically, for example, when the terminal device dynamically switches the panel used to send uplink transmissions or to receive downlink transmissions, causing the terminal device capabilities to change, the terminal device can report the terminal device capabilities to the network device.
- the network device indicates n transmission parameter sets for the n uplink transmissions, wherein the n transmission parameter sets correspond one-to-one to the n uplink transmissions, that is, the network device can configure a corresponding transmission parameter set for each uplink transmission, which, on the one hand, improves the flexibility of panel switching when a panel with asymmetric capabilities is deployed on the terminal device side, and on the other hand, by configuring a corresponding transmission parameter set for each uplink transmission, it is beneficial to ensure the performance of each of the n uplink transmissions.
- FIG13 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
- the terminal device 400 includes:
- the communication unit 410 is used to report the terminal device capabilities to the network device.
- n transmission parameter sets indicated by the network device, where the n transmission parameter sets are used for n uplink transmissions of the terminal device, where n is a positive integer, and the transmission parameter sets include a combination of one or more of the following parameters:
- Sounding reference signal SRS resource set index, SRS resource index, number of SRS resources, maximum number of SRS ports, and maximum number of transmission layers corresponding to the SRS resource set index.
- the n transmission parameter sets belong to m transmission parameter sets, and the m transmission parameter sets are configured through radio resource control RRC signaling, where m is a positive integer greater than 2, and n ⁇ m.
- the n transmission parameter sets are indicated by a media access control element MAC CE.
- the n transmission parameter sets are indicated by n MAC CEs, wherein each of the n MAC CEs is used to indicate one transmission parameter set among the n transmission parameter sets.
- the n uplink transmissions are one uplink transmission, or the n uplink transmissions include multiple uplink transmissions, and the n uplink transmissions are scheduled by multiple downlink control information DCIs.
- the n transmission parameter sets are indicated by a MAC CE.
- the n uplink transmissions include multiple uplink transmissions, and the multiple uplink transmissions are scheduled by a single DCI.
- the n transmission parameter sets are indicated by p MAC CEs, where n>2, p>1 and p ⁇ n.
- the n uplink transmissions include multiple uplink transmissions, and the multiple uplink transmissions are scheduled by multiple DCIs or by a single DCI.
- the transmission parameter set includes the following parameters:
- An SRS resource set index and the maximum number of transmission layers are provided.
- the transmission parameter set includes the following parameters:
- An SRS resource set index the maximum number of transmission layers, and the maximum number of SRS ports.
- the transmission parameter set includes the following parameters:
- An SRS resource set index maximum number of transmission layers, SRS resource index, number of SRS resources, and maximum number of SRS ports.
- the MAC CE is also used to indicate the control resource set CORESET group index, and/or, TCI status.
- the n transmission parameter sets belong to k transmission parameter sets
- the k transmission parameter sets belong to m transmission parameter sets
- the m transmission parameter sets are configured through RRC signaling
- the k transmission parameter set is activated in the m transmission parameter sets through MAC CE, wherein m is a positive integer greater than 2, k ⁇ m, n ⁇ k.
- the n transmission parameter sets are indicated by downlink control information DCI.
- the n transmission parameter sets are indicated by one DCI; or,
- n transmission parameter sets are indicated by n DCIs, each DCI being used to indicate one transmission parameter set; or
- n transmission parameter sets are indicated by q DCIs, where n>2, q>1 and q is less than n.
- the code point of the first information field is used to indicate x transmission parameter sets.
- the code points of the first information field and the transmission parameter sets have a corresponding relationship, and the corresponding relationship is obtained from the MAC CE, and the MAC CE is used to activate k transmission parameter sets among the m transmission parameter sets.
- the MAC CE is used to indicate one or more of the following information:
- the maximum number of transmission layers corresponding to the SRS resource set index is the maximum number of transmission layers corresponding to the SRS resource set index.
- the MAC CE is also used to indicate the number of transmission parameter sets among k transmission parameter sets activated by the MAC CE corresponding to each code point in the first information field of the DCI.
- each code point in the first information field corresponds to one transmission parameter set among k transmission parameter sets activated by the MAC CE;
- each code point in the first information field corresponds to one transmission parameter set or n transmission parameter sets among the k transmission parameter sets activated by the MAC CE.
- the n uplink transmissions include multiple uplink transmissions, the multiple uplink transmissions are scheduled by multiple DCIs, the multiple DCIs include a first DCI and a second DCI, the first DCI is associated with a first CORSET group index, the second DCI is associated with a second CORSET group index, wherein the first CORSET group index is different from the second CORSET group index;
- the first DCI is used to indicate a transmission parameter set, where the transmission parameter set is used for uplink transmission associated with the first CORESET group index, or the transmission parameter set is used for uplink transmission associated with the second CORESET group index; or.
- the first DCI is used to indicate multiple transmission parameter sets, and the multiple transmission parameter sets are used to be associated with the first CORESET group.
- the communication unit 410 is further configured to:
- Receive first indication information from a network device where the first indication information is used to indicate that a transmission parameter set indicated by the DCI associated with the first CORSET group index is used for an uplink transmission associated with a target CORESET group index, wherein the target CORESET group index includes the first CORSET group index, or includes the first CORSET group index and the second CORSET group index, or includes the second CORSET group index.
- the first indication information is sent via one or more of the following signaling:
- the n transmission parameter sets are configured via first RRC signaling.
- the communication unit 410 is further configured to:
- uplink transmission is sent according to a target maximum number of transmission layers, wherein the target maximum number of transmission layers is a smaller value between the maximum number of supported transmission layers reported by the terminal device and the maximum number of transmission layers configured by the second RRC signaling, and the second RRC signaling is the RRC signaling for the last configuration of the transmission parameter set by the network device.
- the terminal device capabilities include:
- the terminal device sends the antenna port capabilities supported by the n uplink transmissions.
- the communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system on chip.
- terminal device 400 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 400 are respectively for realizing the corresponding processes of the terminal device in the method 200 shown in Figures 8 to 12, which will not be repeated here for the sake of brevity.
- FIG14 is a schematic block diagram of a network device according to an embodiment of the present application.
- the network device 500 of FIG14 includes:
- the communication unit 510 is configured to receive terminal device capabilities reported by the terminal device.
- the n transmission parameter sets are used for n uplink transmissions of the terminal device, where n is a positive integer, and the transmission parameter sets include a combination of one or more of the following parameters:
- Sounding reference signal SRS resource set index, SRS resource index, number of SRS resources, maximum number of SRS ports, and maximum number of transmission layers corresponding to the SRS resource set index.
- the n transmission parameter sets belong to m transmission parameter sets, and the m transmission parameter sets are configured through radio resource control RRC signaling, where m is a positive integer greater than 2, and n ⁇ m.
- the n transmission parameter sets are indicated by a media access control element MAC CE.
- the n transmission parameter sets are indicated by n MAC CEs, wherein each of the n MAC CEs is used to indicate one transmission parameter set among the n transmission parameter sets.
- the n uplink transmissions are one uplink transmission, or the n uplink transmissions include multiple uplink transmissions, and the n uplink transmissions are scheduled by multiple downlink control information DCIs.
- the n transmission parameter sets are indicated by a MAC CE.
- the n uplink transmissions include multiple uplink transmissions, and the multiple uplink transmissions are scheduled by a single DCI.
- the n transmission parameter sets are indicated by p MAC CEs, where n>2, p>1 and p ⁇ n.
- the n uplink transmissions include multiple uplink transmissions, and the multiple uplink transmissions are scheduled by multiple DCIs or by a single DCI.
- the transmission parameter set includes the following parameters:
- An SRS resource set index and the maximum number of transmission layers are provided.
- the transmission parameter set includes the following parameters:
- An SRS resource set index the maximum number of transmission layers, and the maximum number of SRS ports.
- the transmission parameter set includes the following parameters:
- An SRS resource set index maximum number of transmission layers, SRS resource index, number of SRS resources, and maximum number of SRS ports.
- the MAC CE is also used to indicate the control resource set CORESET group index, and/or, TCI status.
- the n transmission parameter sets belong to k transmission parameter sets
- the k transmission parameter sets belong to m transmission parameter sets
- the m transmission parameter sets are configured through RRC signaling
- the k transmission parameter set is activated in the m transmission parameter sets through MAC CE, wherein m is a positive integer greater than 2, k ⁇ m, n ⁇ k.
- the n transmission parameter sets are indicated by downlink control information DCI.
- the n transmission parameter sets are indicated by one DCI; or,
- n transmission parameter sets are indicated by n DCIs, each DCI being used to indicate one transmission parameter set; or
- n transmission parameter sets are indicated by q DCIs, where n>2, q>1 and q is less than n.
- the code point of the first information field is used to indicate x transmission parameter sets.
- the MAC CE is used to activate k transmission parameter sets among the m transmission parameter sets.
- the MAC CE is used to indicate one or more of the following information:
- the maximum number of transmission layers corresponding to the SRS resource set index is the maximum number of transmission layers corresponding to the SRS resource set index.
- the MAC CE is also used to indicate the number of transmission parameter sets among the k transmission parameter sets activated by the MAC CE corresponding to each code point in the first information field of the DCI.
- each code point in the first information field corresponds to one transmission parameter set among k transmission parameter sets activated by the MAC CE;
- each code point in the first information field corresponds to one transmission parameter set or n transmission parameter sets among the k transmission parameter sets activated by the MAC CE.
- the n uplink transmissions include multiple uplink transmissions, the multiple uplink transmissions are scheduled by multiple DCIs, the multiple DCIs include a first DCI and a second DCI, the first DCI is associated with a first CORSET group index, the second DCI is associated with a second CORSET group index, wherein the first CORSET group index is different from the second CORSET group index;
- the first DCI is used to indicate a transmission parameter set, where the transmission parameter set is used for uplink transmission associated with the first CORESET group index, or the transmission parameter set is used for uplink transmission associated with the second CORESET group index; or,
- the first DCI is used to indicate multiple transmission parameter sets, where the multiple transmission parameter sets are used for uplink transmission associated with the first CORESET group index and uplink transmission associated with the second CORESET group index.
- the communication unit 510 is also used to: send first indication information to the terminal device, wherein the first indication information is used to indicate that the transmission parameter set indicated by the DCI associated with the first CORSET group index is used for the uplink transmission associated with the target CORESET group index, wherein the target CORESET group index includes the first CORSET group index, or includes the first CORSET group index and the second CORSET group index, or includes the second CORSET group index.
- the first indication information is sent via one or more of the following signaling: RRC signaling, MAC CE, and DCI.
- the terminal device capabilities include: antenna port capabilities supported by the terminal device for sending the n uplink transmissions.
- the communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system on chip.
- the network device 500 may correspond to the network device in the embodiment of the method of the present application, and the above-mentioned and other operations and/or functions of each unit in the network device 500 are respectively for realizing the corresponding processes of the network device in the method 200 shown in Figures 8 to 12, which will not be repeated here for the sake of brevity.
- Fig. 15 is a schematic structural diagram of a communication device 600 provided in an embodiment of the present application.
- the communication device 600 shown in Fig. 15 includes a processor 610, and the processor 610 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
- the communication device 600 may further include a memory 620.
- the processor 610 may call and run a computer program from the memory 620 to implement the method in the embodiment of the present application.
- the memory 620 may be a separate device independent of the processor 610 , or may be integrated into the processor 610 .
- the communication device 600 may further include a transceiver 630 , and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, may send information or data to other devices, or receive information or data sent by other devices.
- the transceiver 630 may include a transmitter and a receiver.
- the transceiver 630 may further include an antenna, and the number of the antennas may be one or more.
- the communication device 600 may specifically be a network device of an embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the network device in each method of the embodiment of the present application, which will not be described in detail here for the sake of brevity.
- the communication device 600 may specifically be a mobile terminal/terminal device of an embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, which will not be described in detail here for the sake of brevity.
- Fig. 16 is a schematic structural diagram of a chip according to an embodiment of the present application.
- the chip 700 shown in Fig. 16 includes a processor 710, and the processor 710 can call and run a computer program from a memory to implement the method according to the embodiment of the present application.
- the chip 700 may further include a memory 720.
- the processor 710 may call and run a computer program from the memory 720 to implement the method in the embodiment of the present application.
- the memory 720 may be a separate device independent of the processor 710 , or may be integrated into the processor 710 .
- the chip 700 may further include an input interface 730.
- the processor 710 may control the input interface 730 to communicate with other devices or chips, and specifically, may obtain information or data sent by other devices or chips.
- the chip 700 may further include an output interface 740.
- the processor 710 may control the output interface 740 to communicate with other devices or chips, and specifically, may output information or data to other devices or chips.
- the chip can be applied to the network device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the network device in each method of the embodiments of the present application. For the sake of brevity, they will not be repeated here.
- the chip can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application. For the sake of brevity, they will not be repeated here.
- the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.
- FIG17 is a schematic block diagram of a communication system 900 provided in an embodiment of the present application.
- the communication system 900 includes a terminal device 910 and a network device 920 .
- the terminal device 910 can be used to implement the corresponding functions implemented by the terminal device in the above method
- the network device 920 can be used to implement the corresponding functions implemented by the network device in the above method. For the sake of brevity, they will not be repeated here.
- the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capabilities.
- each step of the above method embodiment can be completed by the hardware integrated logic circuit in the processor or the instruction in the form of software.
- the above processor can be a general processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (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 logic block diagrams disclosed in the embodiments of the present application can be implemented or executed.
- the general processor can be a microprocessor or the processor can also be any conventional processor, etc.
- the steps of the method disclosed in the embodiment of the present application can be directly embodied as a hardware decoding processor to execute, or the hardware and software modules in the decoding processor can be executed.
- the software module can be located in a mature storage medium in the field such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory or an electrically erasable programmable memory, a register, etc.
- the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
- the memory in the embodiments of the present application can be a volatile memory or a non-volatile memory, or can include both volatile and non-volatile memories.
- the non-volatile memory can be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory.
- the volatile memory can be a random access memory (RAM), which is used as an external cache.
- RAM Direct Rambus RAM
- SRAM Static RAM
- DRAM Dynamic RAM
- SDRAM Synchronous DRAM
- DDR SDRAM Double Data Rate SDRAM
- ESDRAM Enhanced SDRAM
- SLDRAM Synchlink DRAM
- DR RAM Direct Rambus RAM
- the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is to say, the memory in the embodiment of the present application is intended to include but not limited to these and any other suitable types of memory.
- An embodiment of the present application also provides a computer-readable storage medium for storing a computer program.
- the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.
- the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.
- An embodiment of the present application also provides a computer program product, including computer program instructions.
- the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.
- the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.
- the embodiment of the present application also provides a computer program.
- the computer program can be applied to the network device in the embodiments of the present application.
- the computer program runs on a computer, the computer executes the corresponding processes implemented by the network device in the various methods in the embodiments of the present application. For the sake of brevity, they are not described here.
- the computer program can be applied to the mobile terminal/terminal device in the embodiments of the present application.
- the computer program runs on the computer, the computer executes the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.
- the disclosed systems, devices and methods can be implemented in other ways.
- the device embodiments described above are only schematic.
- the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.
- Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
- the technical solution of the present application can be essentially or partly embodied in the form of a software product that contributes to the prior art.
- the computer software product is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in each embodiment of the present application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk, and other media that can store program codes.
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Abstract
Description
Claims (62)
- 一种无线通信的方法,其特征在于,包括:终端设备向网络设备上报终端设备能力;所述终端设备接收所述网络设备指示的n个传输参数集合,所述n个传输参数集合用于所述终端设备的n个上行传输,其中n为正整数,所述传输参数集合包括以下参数中的一种或多种的组合:探测参考信号SRS资源集合索引、SRS资源索引、SRS资源的数量、最大SRS端口数、所述SRS资源集合索引对应的最大传输层数。
- 根据权利要求1所述的方法,其特征在于,所述n个传输参数集合属于m个传输参数集合,所述m个传输参数集合是通过无线资源控制RRC信令配置的,其中,m为大于2的正整数,并且n≤m。
- 根据权利要求1或2所述的方法,其特征在于,所述n个传输参数集合是通过媒体接入控制控制元素MAC CE指示的。
- 根据权利要求3所述的方法,其特征在于,所述n个传输参数集合是通过n个MAC CE指示的,其中,所述n个MAC CE中的每个MAC CE用于指示所述n个传输参数集合中的一个传输参数集合。
- 根据权利要求4所述的方法,其特征在于,所述n个上行传输为一个上行传输,或者,所述n个上行传输包括多个上行传输,所述n个上行传输是多个下行控制信息DCI调度的。
- 根据权利要求3所述的方法,其特征在于,所述n个传输参数集合是通过一个MAC CE指示的。
- 根据权利要求6所述的方法,其特征在于,所述n个上行传输包括多个上行传输,所述多个上行传输是单个DCI调度的。
- 根据权利要求3所述的方法,其特征在于,所述n个传输参数集合是通过p个MAC CE指示的,其中,n>2,p>1并且p<n。
- 根据权利要求8所述的方法,其特征在于,所述n个上行传输包括多个上行传输,所述多个上行传输包括多个DCI调度的上行传输和/或单个DCI调度的上行传输。
- 根据权利要求1-9中任一项所述的方法,其特征在于,所述传输参数集合包括以下参数:一个SRS资源集合索引、最大传输层数。
- 根据权利要求1-9中任一项所述的方法,其特征在于,所述传输参数集合包括以下参数:一个SRS资源集合索引、最大传输层数,最大SRS端口数。
- 根据权利要求1-9中任一项所述的方法,其特征在于,所述传输参数集合包括以下参数:一个SRS资源集合索引、最大传输层数、SRS资源索引、SRS资源的数量、最大SRS端口数。
- 根据权利要求3-9中任一项所述的方法,其特征在于,所述MAC CE还用于指示控制资源集CORESET组索引,和/或,TCI状态。
- 根据权利要求1所述的方法,其特征在于,所述n个传输参数集合属于k个传输参数集合,所述k个传输参数集合属于m个传输参数集合,所述m个传输参数集合是通过RRC信令配置的,所述k个传输参数集合是通过MAC CE在所述m个传输参数集合中激活的,其中,m为大于2的正整数,k≤m,n≤k。
- 根据权利要求1或14所述的方法,其特征在于,所述n个传输参数集合是通过下行控制信息DCI指示的。
- 根据权利要求15所述的方法,其特征在于,所述n个传输参数集合是通过一个DCI指示的;或者,所述n个传输参数集合是通过n个DCI指示的,每个DCI用于指示一个传输参数集合;或者所述n个传输参数集合是通过q个DCI指示的,其中,n>2,q>1并且q小于n。
- 根据权利要求15或16所述的方法,其特征在于,所述DCI包括第一信息域,所述第一信息域用于指示x个传输参数集合,其中,x=1,或者,x=n,或者,1<x<n。
- 根据权利要求17所述的方法,其特征在于,所述第一信息域的码点用于指示x个传输参数集合。
- 根据权利要求18所述的方法,其特征在于,所述第一信息域的码点和传输参数集合具有对应关系,所述对应关系是从MAC CE获取的,所述MAC CE用于激活m个传输参数集合中的k个传输参数集合。
- 根据权利要求19所述的方法,其特征在于,所述MAC CE用于指示以下信息中的一项或多 项:所述第一信息域的多个码点中的每个码点和SRS资源集合索引的对应关系;SRS资源集合索引对应的最大传输层数。
- 根据权利要求19或20所述的方法,其特征在于,所述MAC CE还用于指示所述DCI的第一信息域中的每个码点对应所述MAC CE激活的k个传输参数集合中的传输参数集合的数量。
- 根据权利要求19-21中任一项所述的方法,其特征在于,在所述n个上行传输包括一个上行传输的情况下,所述第一信息域中的每个码点对应所述MAC CE激活的k个传输参数集合中的一个传输参数集合;或者,在所述n个上行传输包括多个上行传输的情况下,所述第一信息域中的每个码点对应所述MAC CE激活的k个传输参数集合中的一个传输参数集合或n个传输参数集合。
- 根据权利要求15-22中任一项所述的方法,其特征在于,所述n个上行传输包括多个上行传输,所述多个上行传输是多个DCI调度的,所述多个DCI包括第一DCI和第二DCI,所述第一DCI关联第一CORSET组索引,所述第二DCI关联第二CORSET组索引,其中,所述第一CORSET组索引与所述第二CORSET组索引不同;所述第一DCI用于指示一个传输参数集合,所述一个传输参数集合用于与所述第一CORESET组索引关联的上行传输,或者,所述一个传输参数集合用于与所述第二CORESET组索引关联的上行传输;或者;所述第一DCI用于指示多个传输参数集合,所述多个传输参数集合用于与所述第一CORESET组索引关联的上行传输以及与所述第二CORESET组索引关联的上行传输。
- 根据权利要求23所述的方法,其特征在于,所述方法还包括:所述终端设备接收网络设备的第一指示信息,所述第一指示信息用于指示所述第一CORSET组索引关联的DCI指示的传输参数集合用于目标CORESET组索引所关联的上行传输,其中,所述目标CORESET组索引包括所述第一CORSET组索引,或者,包括所述第一CORSET组索引和所述第二CORSET组索引,或者,包括所述第二CORSET组索引。
- 根据权利要求24所述的方法,其特征在于,所述第一指示信息通过以下信令中的一种或多种发送:RRC信令、MAC CE、DCI。
- 根据权利要求1所述的方法,其特征在于,所述n个传输参数集合是通过第一RRC信令配置的。
- 根据权利要求26所述的方法,其特征在于,所述方法还包括:在接收到所述第一RRC信令到所述第一RRC信令指示的传输参数集合生效之间的第一时长内,所述终端设备根据目标最大传输层数发送上行传输,其中,目标最大传输层数是所述终端设备上报的支持的最大传输层数和第二RRC信令配置的最大传输层数中的较小值,所述第二RRC信令是网络设备上一次配置传输参数集合的RRC信令。
- 根据权利要求1-27中任一项所述的方法,其特征在于,所述终端设备能力,包括:所述终端设备发送所述n个上行传输所支持的天线端口能力。
- 一种无线通信的方法,其特征在于,包括:网络设备接收终端设备上报的终端设备能力;向所述终端设备指示n个传输参数集合,所述n个传输参数集合用于所述终端设备的n个上行传输,其中n为正整数,所述传输参数集合包括以下参数中的一种或多种的组合:探测参考信号SRS资源集合索引、SRS资源索引、SRS资源的数量、最大SRS端口数、所述SRS资源集合索引对应的最大传输层数。
- 根据权利要求29所述的方法,其特征在于,所述n个传输参数集合属于m个传输参数集合,所述m个传输参数集合是通过无线资源控制RRC信令配置的,其中,m为大于2的正整数,并且n≤m。
- 根据权利要求29或30所述的方法,其特征在于,所述n个传输参数集合是通过媒体接入控制控制元素MAC CE指示的。
- 根据权利要求31所述的方法,其特征在于,所述n个传输参数集合是通过n个MAC CE指示的,其中,所述n个MAC CE中的每个MAC CE用于指示所述n个传输参数集合中的一个传输参数集合。
- 根据权利要求32所述的方法,其特征在于,所述n个上行传输为一个上行传输,或者,所述n个上行传输包括多个上行传输,所述n个上行传输是多个下行控制信息DCI调度的。
- 根据权利要求31所述的方法,其特征在于,所述n个传输参数集合是通过一个MAC CE指示的。
- 根据权利要求34所述的方法,其特征在于,所述n个上行传输包括多个上行传输,所述多个上行传输是单个DCI调度的。
- 根据权利要求31所述的方法,其特征在于,所述n个传输参数集合是通过p个MAC CE指示的,其中,n>2,p>1并且p<n。
- 根据权利要求36所述的方法,其特征在于,所述n个上行传输包括多个上行传输,所述多个上行传输包括多个DCI调度的上行传输和/或单个DCI调度的上行传输。
- 根据权利要求29-37中任一项所述的方法,其特征在于,所述传输参数集合包括以下参数:一个SRS资源集合索引、最大传输层数。
- 根据权利要求29-37中任一项所述的方法,其特征在于,所述传输参数集合包括以下参数:一个SRS资源集合索引、最大传输层数,最大SRS端口数。
- 根据权利要求29-37中任一项所述的方法,其特征在于,所述传输参数集合包括以下参数:一个SRS资源集合索引、最大传输层数、SRS资源索引、SRS资源的数量、最大SRS端口数。
- 根据权利要求31-37中任一项所述的方法,其特征在于,所述MAC CE还用于指示控制资源集CORESET组索引,和/或,TCI状态。
- 根据权利要求29所述的方法,其特征在于,所述n个传输参数集合属于k个传输参数集合,所述k个传输参数集合属于m个传输参数集合,所述m个传输参数集合是通过RRC信令配置的,所述k个传输参数集合是通过MAC CE在所述m个传输参数集合中激活的,其中,m为大于2的正整数,k≤m,n≤k。
- 根据权利要求29或42所述的方法,其特征在于,所述n个传输参数集合是通过下行控制信息DCI指示的。
- 根据权利要求43所述的方法,其特征在于,所述n个传输参数集合是通过一个DCI指示的;或者,所述n个传输参数集合是通过n个DCI指示的,每个DCI用于指示一个传输参数集合;或者所述n个传输参数集合是通过q个DCI指示的,其中,n>2,q>1并且q小于n。
- 根据权利要求43或44所述的方法,其特征在于,所述DCI包括第一信息域,所述第一信息域用于指示x个传输参数集合,其中,x=1,或者,x=n,或者,1<x<n。
- 根据权利要求45所述的方法,其特征在于,所述第一信息域的码点用于指示x个传输参数集合。
- 根据权利要求46所述的方法,其特征在于,所述第一信息域的码点和传输参数集合具有对应关系,所述对应关系是从MAC CE获取的,所述MAC CE用于激活m个传输参数集合中的k个传输参数集合。
- 根据权利要求47所述的方法,其特征在于,所述MAC CE用于指示以下信息中的一项或多项:所述第一信息域的多个码点中的每个码点和SRS资源集合索引的对应关系;SRS资源集合索引对应的最大传输层数。
- 根据权利要求47或48所述的方法,其特征在于,所述MAC CE还用于指示所述DCI的第一信息域中的每个码点对应所述MAC CE激活的k个传输参数集合中的传输参数集合的数量。
- 根据权利要求47-49中任一项所述的方法,其特征在于,在所述n个上行传输包括一个上行传输的情况下,所述第一信息域中的每个码点对应所述MAC CE激活的k个传输参数集合中的一个传输参数集合;或者,在所述n个上行传输包括多个上行传输的情况下,所述第一信息域中的每个码点对应所述MAC CE激活的k个传输参数集合中的一个传输参数集合或n个传输参数集合。
- 根据权利要求43-50中任一项所述的方法,其特征在于,所述n个上行传输包括多个上行传输,所述多个上行传输是多个DCI调度的,所述多个DCI包括第一DCI和第二DCI,所述第一DCI关联第一CORSET组索引,所述第二DCI关联第二CORSET组索引,其中,所述第一CORSET组索引与所述第二CORSET组索引不同;所述第一DCI用于指示一个传输参数集合,所述一个传输参数集合用于与所述第一CORESET组索引关联的上行传输,或者,所述一个传输参数集合用于与所述第二CORESET组索引关联的上行传输;或者,所述第一DCI用于指示多个传输参数集合,所述多个传输参数集合用于与所述第一CORESET组 索引关联的上行传输以及与所述第二CORESET组索引关联的上行传输。
- 根据权利要求51所述的方法,其特征在于,所述方法还包括:所述网络设备向终端设备发送第一指示信息,所述第一指示信息用于指示所述第一CORSET组索引关联的DCI指示的传输参数集合用于目标CORESET组索引所关联的上行传输,其中,所述目标CORESET组索引包括所述第一CORSET组索引,或者,包括所述第一CORSET组索引和所述第二CORSET组索引,或者,包括所述第二CORSET组索引。
- 根据权利要求52所述的方法,其特征在于,所述第一指示信息通过以下信令中的一种或多种发送:RRC信令、MAC CE、DCI。
- 根据权利要求29-53中任一项所述的方法,其特征在于,所述终端设备能力,包括:所述终端设备发送所述n个上行传输所支持的天线端口能力。
- 一种终端设备,其特征在于,包括:通信单元,用于向网络设备上报终端设备能力;以及接收所述网络设备指示的n个传输参数集合,所述n个传输参数集合用于所述终端设备的n个上行传输,其中n为正整数,所述传输参数集合包括以下参数中的一种或多种的组合:探测参考信号SRS资源集合索引、SRS资源索引、SRS资源的数量、最大SRS端口数、所述SRS资源集合索引对应的最大传输层数。
- 一种网络设备,其特征在于,包括:通信单元,用于接收终端设备上报的终端设备能力;以及向所述终端设备指示n个传输参数集合,所述n个传输参数集合用于所述终端设备的n个上行传输,其中n为正整数,所述传输参数集合包括以下参数中的一种或多种的组合:探测参考信号SRS资源集合索引、SRS资源索引、SRS资源的数量、最大SRS端口数、所述SRS资源集合索引对应的最大传输层数。
- 一种终端设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求1至28中任一项所述的方法。
- 一种网络设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求29至54中任一项所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至28中任一项所述的方法,或者如权利要求29至54中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至28中任一项所述的方法,或者如权利要求29至54中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至28中任一项所述的方法,或者如权利要求29至54中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1至28中任一项所述的方法,或者如权利要求29至54中任一项所述的方法。
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| MX2025015131A MX2025015131A (es) | 2023-06-21 | 2023-06-21 | Metodo de comunicacion inalambrica, dispositivo terminal y dispositivo de red |
| CN202380099431.5A CN121400042A (zh) | 2023-06-21 | 2023-06-21 | 无线通信的方法、终端设备和网络设备 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109417717A (zh) * | 2018-09-27 | 2019-03-01 | 北京小米移动软件有限公司 | 测量配置方法、装置、设备、系统及存储介质 |
| WO2021159493A1 (zh) * | 2020-02-14 | 2021-08-19 | 华为技术有限公司 | 一种资源配置的方法和装置 |
| WO2023055948A2 (en) * | 2021-09-30 | 2023-04-06 | Ofinno, Llc | Uplink resource determination in inter-cell multiple transmission and reception points |
| WO2023061549A1 (en) * | 2021-10-11 | 2023-04-20 | Nokia Technologies Oy | User equipment, network equipment, methods and computer programs for controlling uplink sounding reference signals to multiple transmission reception points |
| CN116261904A (zh) * | 2023-01-28 | 2023-06-13 | 北京小米移动软件有限公司 | 上行传输控制方法及装置 |
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2023
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- 2023-06-21 WO PCT/CN2023/101618 patent/WO2024259620A1/zh not_active Ceased
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109417717A (zh) * | 2018-09-27 | 2019-03-01 | 北京小米移动软件有限公司 | 测量配置方法、装置、设备、系统及存储介质 |
| WO2021159493A1 (zh) * | 2020-02-14 | 2021-08-19 | 华为技术有限公司 | 一种资源配置的方法和装置 |
| WO2023055948A2 (en) * | 2021-09-30 | 2023-04-06 | Ofinno, Llc | Uplink resource determination in inter-cell multiple transmission and reception points |
| WO2023061549A1 (en) * | 2021-10-11 | 2023-04-20 | Nokia Technologies Oy | User equipment, network equipment, methods and computer programs for controlling uplink sounding reference signals to multiple transmission reception points |
| CN116261904A (zh) * | 2023-01-28 | 2023-06-13 | 北京小米移动软件有限公司 | 上行传输控制方法及装置 |
Also Published As
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|---|---|
| EP4734639A1 (en) | 2026-04-29 |
| CN121400042A (zh) | 2026-01-23 |
| US20260121899A1 (en) | 2026-04-30 |
| MX2025015131A (es) | 2026-02-03 |
| WO2024259620A9 (zh) | 2025-12-04 |
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