WO2023272514A1 - 上行传输方法、装置、设备及可读存储介质 - Google Patents

上行传输方法、装置、设备及可读存储介质 Download PDF

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Publication number
WO2023272514A1
WO2023272514A1 PCT/CN2021/103243 CN2021103243W WO2023272514A1 WO 2023272514 A1 WO2023272514 A1 WO 2023272514A1 CN 2021103243 W CN2021103243 W CN 2021103243W WO 2023272514 A1 WO2023272514 A1 WO 2023272514A1
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WIPO (PCT)
Prior art keywords
tpmi
pusch
precoding
transmission
information
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PCT/CN2021/103243
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English (en)
French (fr)
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刘洋
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北京小米移动软件有限公司
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Priority to CN202180002081.7A priority Critical patent/CN115735343A/zh
Priority to PCT/CN2021/103243 priority patent/WO2023272514A1/zh
Publication of WO2023272514A1 publication Critical patent/WO2023272514A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling

Definitions

  • the present disclosure relates to the communication field, and in particular to an uplink transmission method, device, equipment and readable storage medium.
  • PUSCH Physical Uplink Shared Channel
  • TPMI Transmission Precoding Matrix Indicator
  • SRS Resource Indicator SRI
  • the first SRI field indicates that the corresponding SRS resource is used for the transmission of the first TRP direction, and the transmission uses the precoding method indicated by the first TPMI field;
  • the second SRI field indicates that the corresponding SRS resource is used for the second For sending in the TRP direction, the sending uses the precoding method indicated by the second TPMI field.
  • Embodiments of the present disclosure provide an uplink transmission method, device, device and readable storage medium, which can reduce DCI signaling overhead caused by TPMI, and at the same time enhance the robustness of uplink repeated transmission. Described technical scheme is as follows:
  • an uplink transmission method which is applied to a terminal, and the method includes:
  • the configuration signaling includes a first indication field, the first indication field is used to instruct the terminal to send the codebook-based uplink transmission precoding matrix indication information TPMI indication of the physical uplink shared channel PUSCH information;
  • an uplink transmission method which is applied to a network device, and the method includes:
  • the configuration signaling includes a first indication field, and the first indication field is used to instruct the terminal to send precoding matrix indication information for codebook-based uplink transmission of the physical uplink shared channel PUSCH TPMI indication information;
  • an uplink transmission device which is applied to a terminal, and the device includes:
  • a receiving module configured to receive configuration signaling, where the configuration signaling includes a first indication field, and the first indication field is used to instruct the terminal to send precoding based on a codebook for uplink transmission of a physical uplink shared channel PUSCH Matrix indication information TPMI indication information;
  • a processing module configured to determine the precoding used when sending the PUSCH based on the TPMI indication information.
  • an uplink transmission device which is applied to network equipment, and the device includes:
  • a sending module configured to send configuration signaling to the terminal, where the configuration signaling includes a first indication field, and the first indication field is used to instruct the terminal to send codebook-based uplink transmission of the physical uplink shared channel PUSCH Precoding matrix indication information TPMI indication information;
  • a processing module configured to determine the precoding used when receiving the PUSCH based on the TPMI indication information.
  • a terminal device in another aspect, includes:
  • transceiver connected to the processor
  • the processor is configured to load and execute executable instructions to implement the uplink transmission method described in the foregoing embodiments of the present disclosure.
  • a network device in another aspect, includes:
  • transceiver connected to the processor
  • the processor is configured to load and execute executable instructions to implement the uplink transmission method described in the foregoing embodiments of the present disclosure.
  • a computer-readable storage medium In another aspect, a computer-readable storage medium is provided. At least one instruction, at least one program, code set or instruction set is stored in the computer-readable storage medium. The at least one instruction, at least one program, code set or instruction set The set is loaded and executed by the processor to implement the uplink transmission method described in the foregoing embodiments of the present disclosure.
  • Fig. 1 shows a block diagram of a communication system provided by an exemplary embodiment of the present disclosure
  • FIG. 2 shows a flowchart of an uplink transmission method provided by an exemplary embodiment of the present disclosure
  • Fig. 3 is a schematic diagram of repetition type A of PUSCH provided by an exemplary embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of PUSCH repetition type B provided by an exemplary embodiment of the present disclosure.
  • FIG. 5 shows a flowchart of an uplink transmission method provided by another exemplary embodiment of the present disclosure
  • FIG. 6 shows a flowchart of an uplink transmission method provided by another exemplary embodiment of the present disclosure
  • Fig. 7 shows a structural block diagram of an uplink transmission device provided by an exemplary embodiment of the present disclosure
  • Fig. 8 shows a structural block diagram of an uplink transmission device provided by another exemplary embodiment of the present disclosure
  • Fig. 9 is a structural block diagram of a communication device according to an exemplary embodiment of the present disclosure.
  • FIG. 1 shows a schematic diagram of a communication system provided by an embodiment of the present application.
  • the communication system may include: a terminal device 10 and a network device.
  • the terminal device 10 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, as well as various forms of user equipment (User Equipment, UE), mobile station (Mobile Station, MS) and so on.
  • UE User Equipment
  • MS Mobile Station
  • a network device is a device deployed in an access network to provide a wireless communication function for the terminal device 10 .
  • Network equipment may include various forms of macro base stations, micro base stations, relay stations, access points and so on.
  • the names of devices with network device functions may be different.
  • they are called gNodeB or gNB.
  • the term "network equipment" may change as communications technology evolves.
  • the above-mentioned devices that provide the wireless communication function for the terminal device 10 are collectively referred to as network devices.
  • the network device and the terminal device 10 communicate with each other through a certain air interface technology, such as a Uu interface.
  • a network device may be deployed with multiple TRPs.
  • the network device corresponds to TRP1, TRP2...TRPn (TRPs are numbered 20 in FIG. 1 ).
  • the terminal device can use different sending beams to send uplink channels (such as PUSCH) to different TRPs, and the network device can receive the uplink channels (such as PUSCH) sent by the terminal device through multiple TRPs.
  • the terminal equipment needs to use transmission beams with different beam directions to transmit an uplink channel (such as PUSCH) to the TRP in the corresponding direction.
  • the "5G NR system" in the embodiments of the present disclosure may also be called a 5G system or an NR system, but those skilled in the art can understand its meaning.
  • the technical solution described in the embodiments of the present disclosure can be applied to the 5G NR system, and can also be applied to the subsequent evolution system of the 5G NR system.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA broadband code division multiple access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • LTE-A Advanced long Term Evolution
  • NR New Radio
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • WLAN Wireless Local Area Networks
  • WiFi Wireless Fidelity
  • 3GPP has introduced a multi-TRP-based cooperative transmission technology in the 5G NR system.
  • the application of multiple TRP/Panel (antenna panels) on network equipment is mainly to improve the coverage at the edge of the cell, provide a more balanced service quality in the service area, and use different methods to cooperate and transmit data among multiple TRP/Panels. From the perspective of network form, network deployment with a large number of distributed access points and centralized baseband processing will be more conducive to providing a balanced user experience rate and significantly reducing the delay and signaling overhead caused by handover .
  • the channel is transmitted/received from multiple beams in multiple directions, which can better overcome various occlusion/blocking effects and ensure the robustness of link connections. It is suitable for URLLC (Ultra Reliable Low Latency Communication, ultra-high reliability and low-latency communication) business improves transmission quality and meets reliability requirements.
  • URLLC Ultra Reliable Low Latency Communication, ultra-high reliability and low-latency communication
  • the application of multi-TRP-based cooperative transmission technology mainly enhances the transmission of PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel). Since the data transmission includes the scheduling feedback of the uplink and downlink channels, in the research of URLLC, only enhancing the downlink data channel cannot guarantee the service performance. Therefore, the discussion in R17 continues to enhance PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel), PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel), and Physical Uplink Shared Channel (Physical Uplink Shared Channel, PUSCH).
  • PDCCH Physical Downlink Control Channel
  • PUCCH Physical Uplink Control Channel
  • Physical Uplink Shared Channel Physical Uplink Shared Channel
  • the uplink transmission scheme of the PUSCH includes: 1. codebook-based uplink transmission; 2. non-codebook-based data transmission.
  • the two uplink transmission schemes are described respectively.
  • the access network device can configure at most one SRS resource set for the terminal for uplink transmission based on the codebook, which is realized by configuring one SRS resource set as "codebook".
  • the terminal When the access network device schedules PUSCH through the downlink control information (Downlink Control Information, DCI) format format 0_1, and the access network device configures two SRS resources for uplink transmission based on the codebook for the terminal, the terminal indicates the information according to the SRS resource (SRS Resource Indicator, SRI) and Transmission Precoding Matrix Indicator Information (Transmitted Precoding Matrix Indicator, TPMI)/Transmitted Rank Indicator Information (Transmitted Rank Indicator, TRI) indicates the number of precoding and transmission streams to determine the PUSCH, and the data stream The determined precoding is mapped to the port of the SRS resource indicated by the SRI for transmission.
  • SRS Resource Indicator SRI
  • Transmission Precoding Matrix Indicator Information Transmission Precoding Matrix Indicator Information
  • TPMI Transmission Precoding Matrix Indicator
  • TRI Transmitted Rank Indicator Information
  • an SRI indication field indicates that the base station configures multiple SRS resources for codebook-based uplink transmission for the terminal. Which SRS resource of.
  • the base station schedules PUSCH through DCI format 0_1, and the base station configures only one SRS resource for codebook-based uplink transmission for the terminal, there is no SRI indication.
  • the data in the uplink transmission of the terminal needs to be precoded using the precoding matrix indicator (Precoding Matrix Indicator, PMI) and stream number indicator (Rank Indicator, RI) specified by the network side.
  • the spatial filter (SpatialRelationInfo) corresponding to the SRS resource is mapped to the corresponding antenna port.
  • Table 1 shows an indication manner in which an SRI corresponds to multiple SRS resources.
  • the SRI field corresponding to this bit is used to indicate the use of the 0th SRS resource; correspondingly, when the specified bit of DCI is 1, the The SRI field corresponding to the bit is used to indicate the use of the first SRS resource.
  • Table 2 shows the signaling indication modes of single-layer transmission TPMI and RI with 4 antenna ports as an example, respectively for different UE capabilities.
  • UE capabilities include three types: full correlation, partial correlation and non-correlation.
  • the codebook subset corresponding to the uncorrelated type is all the precoding codewords in the codebook corresponding to any data stream transmitted through only one antenna port.
  • the codebook subset corresponding to the partial correlation type is all the codewords in the codebook that meet the following conditions: any data stream passes through an antenna port, or the first, third port, or the precoding codeword transmitted by the second or fourth port .
  • the codebook subset corresponding to the full correlation type is all codewords in the codebook.
  • Table 3 shows the form of the codebook.
  • the base station can configure at most one SRS resource set for the terminal for uplink transmission based on non-codebook, which is realized by configuring one SRS resource set as "noncodebook".
  • This resource set can be configured with up to 4 SRS resources, and each SRS resource contains 1 SRS port.
  • the base station can indicate to the terminal that one or more SRS resources are used for determining PUSCH precoding through the SRI, and the number of SRS resources corresponding to the SRI is the number of streams transmitted by the PUSCH.
  • DCI format 0_1 does not include SRI, and the terminal determines the precoding of PUSCH according to the configured SRS resource.
  • codebook-based PUSCH transmission introduces two TPMI domains and two SRI domains.
  • PUSCH uses the first SRI domain to indicate the corresponding The SRS resource is used for the transmission in the first TRP direction.
  • the specific precoding and layer number used for transmission are indicated by the first TPMI field, and the PUSCH uses the second SRI field to indicate that the corresponding SRS resource is used for the second TRP direction.
  • the specific precoding and layer number used for sending are indicated through the second TPMI field.
  • the present disclosure provides an uplink transmission method, please refer to FIG. 2 , which shows a flowchart of an uplink transmission method provided by an exemplary embodiment of the present disclosure. Taking this method applied to a terminal as an example, as shown in FIG. 2 , the method includes:
  • Step 201 receiving configuration signaling, the configuration signaling includes a first indication field, and the first indication field is used to instruct the terminal to send TPMI indication information when transmitting PUSCH codebook-based uplink transmission.
  • the field used to indicate the TPMI indication field in the configuration signaling only includes the first indication field.
  • the configuration signaling includes any one of physical layer signaling, radio resource control (Radio Resource Control, RRC) signaling, and media access control element (Media Access Control Element, MAC CE).
  • RRC Radio Resource Control
  • MAC CE Media Access Control Element
  • the first indication field is used to indicate TPMI indication information when the terminal sends codebook-based uplink transmission of the PUSCH for one or at least two TRPs.
  • the TPMI indication information is used to instruct the terminal to configure the second TPMI domain during codebook-based uplink transmission; or, the TPMI indication information is used to indicate that the terminal does not have the configuration of the second TPMI field during codebook-based uplink transmission. The capability of a TPMI domain.
  • the configuration signaling is directly configured by the network device to the terminal; that is, regardless of whether the terminal has the UE capability to support the second TPMI domain, the network device can send configuration information to the terminal, and the terminal is configured based on When the codebook is transmitted, the transmission precoding is determined through the configured TPMI field.
  • the network device after receiving the UE capability reported by the terminal device, the network device sends the configuration signaling to the terminal according to the UE capability. That is to say, the terminal first sends UE capability-related information to the network device, and the UE capability-related information is used to indicate whether the terminal supports the ability to configure the second TPMI indication field in the DCI when the terminal supports at least two TRPs for coordinated transmission of PUSCH, so that the network The device sends configuration signaling to the terminal according to the UE capability-related information.
  • Step 202 Determine the precoding used when sending the PUSCH based on the TPMI indication information.
  • the precoding used when sending the PUSCH in one TRP direction is determined based on the TPMI indication information; or, the precoding used when the PUSCH is sent in at least two TRP directions is determined based on the TPMI indication information.
  • the precoding of the PUSCH is determined through the TPMI information in the TPMI field.
  • the sending beam of the PUSCH is determined according to the precoding for sending.
  • the PUSCH uplink transmission scheme includes codebook-based uplink transmission and non-codebook uplink transmission.
  • the direction information can be indicated through the SRI field in the DCI signaling, and the specific precoding is indicated using the TPMI field.
  • the time division multiplexing (Time Division Multiplexing, TDM) repetition mode of PUSCH mainly includes PUSCH repetition type A and PUSCH repetition type B. Instructions are given for repetition type A and repetition type B respectively.
  • Repetition type A The repeated transmission between time slots is configured through RRC signaling, and the same transport block (Transport Block, TB) is repeatedly transmitted on multiple transmission opportunities (nominal repetition).
  • the transmission opportunity refers to the continuous time domain resource for transmitting the PUSCH in the time domain.
  • the transmission type A one transmission opportunity is in one time slot, and different transmission opportunities are in different time slots.
  • Transmission type A is mainly applied at the edge of the cell, so the number of transmission layers is limited to unilateral transmission at the same time.
  • a PUSCH is transmitted in consecutive K time slots, that is, K transmission opportunities, and starts transmission on the S symbol (symbol) in the starting time slot, and each transmission opportunity lasts for L symbols, and S+L does not exceed Slot boundary.
  • FIG. 3 shows a schematic diagram of PUSCH repetition type A.
  • the first repeated transmission is performed on the 7th symbol
  • the second repeated transmission is performed from the 4th symbol to the 7th symbol of the second slot, where one slot includes 14 symbols, which are respectively the 0th symbol to the 13th symbol.
  • Repetition type B Transmission type B can realize back to back continuous transmission for the same TB, and can cross the time slot boundary. This type of transmission has no limit to the number of transmission layers, and can support data transmission of uplink layer 1-4. In the time domain, a PUSCH starts to transmit on the S-th symbol in the initial slot, and continuously sends K transmission opportunities, and each transmission opportunity occupies L symbols continuously (back-to-back), and transmits S+ L may cross slot boundaries. That is, in transmission type B, one time slot may include one or more transmission opportunities.
  • FIG. 4 shows a schematic diagram of repetition type B of PUSCH. As shown in Figure 4, take a PUSCH to start transmission on the fourth symbol in the initial slot, and continuously send four transmission opportunities, and each transmission opportunity occupies four consecutive symbols as an example. Figure 4 shows the PUSCH Channel 410 transmission.
  • the terminal For PUSCH based on multi-TRP transmission, the terminal further obtains space diversity gain and improves transmission reliability by jointly sending the unified TB of PUSCH for different TRPs.
  • the transmissions corresponding to different beam directions can be mapped.
  • the repeated transmission of multiple TBs can be mapped to K specific transmission opportunities through the following multiple possible mapping rules. Therefore, corresponding to different TRPs
  • the terminal determines the PUSCH transmission scheme according to the configured TPMI indication information.
  • the PUSCH transmission scheme includes at least one of the following situations:
  • the precoding indicated by the TPMI information in the TPMI field is applied to all transmission opportunities of the PUSCH.
  • the precoding corresponding to the TPMI information indicated by the network in the first TPMI field is used to transmit the PUSCH, and it is applied to all transmission opportunities of the PUSCH. That is, for the PUSCH transmission facing one TRP direction, or the PUSCH transmission facing multiple TRP directions, only the precoding corresponding to the TPMI information indicated by the network in the first TPMI field is used.
  • the TPMI information indicated by the network in the first TPMI field is used, and the TPMI information is only used for the first transmission opportunity, and subsequent transmission opportunities may use the same or different precoding.
  • the precoding preconfigured by the network is applied to the nth transmission opportunity of the PUSCH, n>1, and n is an integer, and the same or different precoding is applied to different transmission opportunities.
  • the predefined precoding is applied to the nth transmission opportunity of the PUSCH, where n>1, and n is an integer, and the same or different precoding is applied to different transmission opportunities.
  • a group of precodings associated with the TPMI information in the TPMI domain and determined to be used by the terminal according to certain known information is applied to the transmission opportunity of the PUSCH after the first transmission opportunity, different transmission Occasionally apply the same or different precoding.
  • the precoding indicated by the TPMI information in the TPMI field is applied to the respective first transmission opportunities in the transmission time groups corresponding to the PUSCHs sent in each TRP direction.
  • the transmission occasions other than the first one use the same or different precoding.
  • the precoding indicated by the TPMI field is applied to the beam direction corresponding to the SRS resource indicated in each SRI field Send PUSCH; or, when at least one SRS resource set is configured, but there is no corresponding SRI indication field, the SRS contained in each SRS resource set is applied to the beam direction corresponding to the resource, and the TPMI field indicates Precoding is performed for PUSCH transmission.
  • the uplink transmission method considers a configurable uplink transmission scheme in the uplink PUSCH transmission, supports the use of macro-diversity mode to reduce the overhead of DCI signaling caused by TPMI, and at the same time enhances Robustness against repeated uplink transmissions.
  • FIG. 5 is a flow chart of an uplink transmission method provided by an exemplary embodiment of the present disclosure.
  • the application of the method in a network device is used as an example for illustration. As shown in FIG. 5 , the method includes:
  • Step 501 Send configuration signaling to the terminal, where the configuration signaling includes a first indication field, and the first indication field is used to instruct the terminal to send TPMI indication information when sending PUSCH codebook-based uplink transmission.
  • the configuration signaling is directly configured by the network device to the terminal; that is, regardless of whether the terminal has the UE capability to support the second TPMI domain, the network device can send configuration information to the terminal, and the terminal is configured based on When the codebook is transmitted, the transmission precoding is determined through the configured TPMI field.
  • the network device after receiving the UE capability reported by the terminal device, the network device sends the configuration signaling to the terminal according to the UE capability. That is, the network device receives UE capability-related information sent by the terminal, and the UE capability-related information is used to indicate whether the terminal supports the ability to configure the second TPMI indication field in the DCI when the terminal supports coordinated transmission of PUSCH in at least two TRP directions.
  • Step 502 Determine the precoding used when receiving the PUSCH based on the TPMI indication information.
  • the configured TPMI indication information is applied to the precoding used when receiving the PUSCH towards one TRP direction, or the configured TPMI indication information is applied to the precoding used when the PUSCH is received towards at least two TRP directions.
  • the precoding indicated by the TPMI information in the configuration TPMI field is applied to all transmission opportunities of the PUSCH.
  • the precoding indicated by the TPMI information in the TPMI field to be applied to the respective first transmission opportunities in the transmission time groups corresponding to receiving the PUSCH in each TRP direction.
  • the other transmission opportunities other than the first transmission opportunity use the same or different precoding.
  • the uplink transmission method considers a configurable uplink transmission scheme in the uplink PUSCH transmission, supports the use of macro-diversity mode to reduce the overhead of DCI signaling caused by TPMI, and at the same time enhances Robustness against repeated uplink transmissions.
  • FIG. 6 is a flow chart of an uplink transmission method provided by an exemplary embodiment of the present disclosure.
  • the application of the method in a communication system is used as an example for illustration. As shown in FIG. 6 , the method includes:
  • step 601 the terminal sends UE capability-related information to a network device.
  • the UE capability-related information is used to indicate whether the DCI supports the ability to configure the second TPMI indication field when the terminal supports at least two TRPs for cooperative transmission of the PUSCH.
  • Step 602 the network device sends a configuration signaling to the terminal, the configuration signaling includes a first indication field, and the first indication field is used to instruct the terminal to send TPMI indication information when sending the codebook-based uplink transmission of the PUSCH.
  • only the first indication field is included in the configuration signaling.
  • the configuration signaling includes any one of physical layer signaling, RRC signaling, and MAC CE.
  • the configuration signaling is implemented as RRC signaling as an example for illustration.
  • the first indication field is used to indicate TPMI indication information when the terminal sends codebook-based uplink transmission of the PUSCH for one or at least two TRPs.
  • the TPMI indication information is used to indicate that the terminal does not have the ability to configure the second TPMI field during codebook-based uplink transmission.
  • step 603 the terminal determines the precoding used when sending the PUSCH based on the TPMI indication information.
  • the precoding used when sending the PUSCH in one TRP direction is determined based on the TPMI indication information; or, the precoding used when the PUSCH is sent in at least two TRP directions is determined based on the TPMI indication information.
  • the precoding of the PUSCH is determined through the TPMI information in the TPMI field.
  • the PUSCH uplink transmission scheme includes codebook-based uplink transmission and non-codebook uplink transmission.
  • the direction information can be indicated through the SRI field in the DCI signaling, and the specific precoding is indicated using the TPMI field.
  • Step 604 the terminal transmits the PUSCH according to the precoding.
  • a sending beam of the PUSCH is determined according to the precoding for sending.
  • Step 605 the network device determines the precoding used when receiving the PUSCH based on the TPMI indication information.
  • the precoding indicated by the TPMI information in the TPMI field is applied to all transmission opportunities of the PUSCH.
  • the precoding indicated by the TPMI information in the TPMI field is applied to the first transmission opportunity of the PUSCH, and other transmission opportunities except the first transmission opportunity adopt preconfigured precoding or predefined precoding. That is, in the case of pre-configuration: send configuration information to the terminal, the configuration information is used to configure the precoding applied to the nth transmission opportunity of PUSCH to the terminal, n>1, and n is an integer, different transmission opportunities apply the same or different precoding; in the case of pre-definition: apply the pre-defined pre-coding to the nth transmission opportunity of the PUCH, where n>1, and n is an integer, and apply the same or different pre-coding to different transmission opportunities.
  • the precoding indicated by the TPMI information in the TPMI field is applied to the respective first transmission opportunities in the respective transmission time groups corresponding to receiving the PUSCH in each TRP direction.
  • the other transmission opportunities other than the first transmission opportunity use the same or different precoding.
  • Step 606 the network device receives the PUSCH according to the precoding.
  • the uplink transmission method considers a configurable uplink transmission scheme in the uplink PUSCH transmission, supports the use of macro-diversity mode to reduce the overhead of DCI signaling caused by TPMI, and at the same time enhances Robustness against repeated uplink transmissions.
  • Fig. 7 is a structural block diagram of an uplink transmission device provided by an exemplary embodiment of the present disclosure. As shown in Fig. 7, the device is used for a terminal, and the device includes:
  • the receiving module 710 is configured to receive configuration signaling, where the configuration signaling includes a first indication field, and the first indication field is used to instruct the terminal to send a codebook-based uplink transmission schedule when sending a physical uplink shared channel PUSCH. Coding matrix indication information TPMI indication information;
  • the processing module 720 is configured to determine the precoding used when sending the PUSCH based on the TPMI indication information.
  • the processing module 720 is further configured to determine, based on the TPMI indication information, the precoding used when sending the PUSCH in a TRP direction;
  • the processing module 720 is further configured to determine, based on the TPMI indication information, the precoding used when sending the PUSCH in at least two TRP directions.
  • the processing module 720 is further configured to pass the TPMI information in the TPMI field when the TPMI indication information is used to instruct the terminal to indicate the precoding matrix through the TPMI field Determine the precoding of the PUSCH.
  • the processing module 720 is further configured to apply the precoding indicated by the TPMI information in the TPMI field to all transmission opportunities of the PUSCH.
  • the processing module 720 is further configured to apply the precoding indicated by the TPMI information in the TPMI field to the first transmission opportunity of the PUSCH.
  • the processing module 720 is further configured to apply precoding preconfigured by the network to the nth transmission opportunity of the PUSCH, where n>1, and n is an integer, different transmission opportunities apply the same or different precoding;
  • the processing module 720 is further configured to apply a predefined precoding to the nth transmission opportunity of the PUSCH, where n>1, and n is an integer, and different transmission opportunities apply the same or different precoding.
  • the processing module 720 is further configured to apply a group of precodings associated with the TPMI information in the TPMI domain and determined to be used by the terminal according to certain known information to the In the transmission opportunities of the PUSCH after the first transmission opportunity, different transmission opportunities apply the same or different precoding.
  • the processing module 720 is further configured to apply the precoding indicated by the TPMI information in the TPMI field to the transmission timing groups corresponding to sending PUSCH in each TRP direction. The first transmission opportunity of each.
  • other transmission opportunities other than the first transmission opportunity use the same or different precoding.
  • the TPMI is applied to the beam directions corresponding to the SRS resources indicated in each SRI field.
  • the precoding indicated by the field is used to transmit the PUSCH.
  • TPMI is applied to the beam directions corresponding to the SRS resources included in each SRS resource set.
  • the precoding indicated by the field is used to transmit the PUSCH.
  • the device also includes:
  • the sending module 730 is configured to send UE capability-related information to the network, where the UE capability-related information is used to indicate whether the terminal supports the ability to configure a second TPMI indication field in the DCI when supporting at least two TRPs for coordinated transmission of PUSCH .
  • Fig. 8 is a structural block diagram of an uplink transmission device provided by an exemplary embodiment of the present disclosure. As shown in Fig. 8, the device is applied to a network device, and the device includes:
  • the sending module 810 is configured to send configuration signaling to the terminal, where the configuration signaling includes a first indication field, and the first indication field is used to instruct the terminal to send a codebook-based uplink transmission of a physical uplink shared channel PUSCH time precoding matrix indication information TPMI indication information;
  • the processing module 820 is configured to determine the precoding used when receiving the PUSCH based on the TPMI indication information.
  • the processing module 820 is further configured to determine, based on the TPMI indication information, the precoding used when receiving the PUSCH in a TRP direction;
  • the processing module 820 is further configured to determine, based on the TPMI indication information, the precoding used when receiving the PUSCH in at least two TRP directions.
  • the processing module 820 is further configured to apply the precoding indicated by the TPMI information in the TPMI field to all transmission opportunities of the PUSCH.
  • the processing module 820 is further configured to apply the precoding indicated by the TPMI information in the TPMI field to the first transmission opportunity of the PUSCH.
  • the sending module 810 is further configured to send configuration information to the terminal, where the configuration information is used to configure the precoding applied to the nth transmission opportunity of the PUSCH to the terminal, where n> 1, and n is an integer, and different transmission opportunities apply the same or different precoding;
  • the processing module 820 is further configured to apply a predefined precoding to the nth transmission opportunity of the PUSCH, where n>1, and n is an integer, and different transmission opportunities apply the same or different precoding.
  • the processing module 820 is further configured to apply the precoding indicated by the TPMI information in the TPMI field to each of the transmission opportunities corresponding to receiving PUSCH in each TRP direction. The first transmission opportunity.
  • other transmission opportunities other than the first transmission opportunity use the same or different precoding.
  • the device also includes:
  • the receiving module 830 is configured to receive UE capability-related information sent by the terminal, where the UE capability-related information is used to indicate whether the terminal supports configuration of a second TPMI indication in DCI when the terminal supports at least two TRPs for coordinated transmission of PUSCH domain capabilities.
  • the uplink transmission device considers a configurable uplink transmission scheme in the transmission of the uplink PUSCH, supports the use of macro-diversity mode to reduce the DCI signaling overhead caused by TPMI, and at the same time enhances Robustness against repeated uplink transmissions.
  • Fig. 9 shows a schematic structural diagram of a communication device 900 (terminal device or network device) provided by an exemplary embodiment of the present disclosure
  • the communication device 900 includes: a processor 901, a receiver 902, a transmitter 903, a memory 904 and a bus 905.
  • the processor 901 includes one or more processing cores, and the processor 901 executes various functional applications and information processing by running software programs and modules.
  • the receiver 902 and the transmitter 903 can be implemented as a communication component, and the communication component can be a communication chip.
  • the memory 904 is connected to the processor 901 through a bus 905 .
  • the memory 904 may be used to store at least one instruction, and the processor 901 is used to execute the at least one instruction, so as to implement various steps in the foregoing method embodiments.
  • volatile or non-volatile storage devices include but not limited to: magnetic disk or optical disk, electrically erasable and programmable Read Only Memory (Erasable Programmable Read Only Memory, EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Random Access Memory (SRAM), Read Only Memory (Read -Only Memory, ROM), magnetic memory, flash memory, programmable read-only memory (Programmable Read-Only Memory, PROM).
  • volatile or non-volatile storage devices include but not limited to: magnetic disk or optical disk, electrically erasable and programmable Read Only Memory (Erasable Programmable Read Only Memory, EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Random Access Memory (SRAM), Read Only Memory (Read -Only Memory, ROM), magnetic memory, flash memory, programmable read-only memory (Programmable Read-Only Memory, PROM).
  • An exemplary embodiment of the present disclosure also provides an uplink transmission system, and the system includes: a terminal device and a network device;
  • the terminal equipment includes the uplink transmission device provided in the embodiment shown in FIG. 7 ;
  • the network device includes the uplink transmission device provided in the embodiment shown in FIG. 8 .
  • An exemplary embodiment of the present disclosure also provides a computer-readable storage medium, the computer-readable storage medium stores at least one instruction, at least one program, code set or instruction set, the at least one instruction, the At least one program, the code set or the instruction set is loaded and executed by the processor to implement the steps performed by the terminal in the uplink transmission method provided by the above method embodiments.

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Abstract

本公开提供了一种上行传输方法、装置、设备及可读存储介质,涉及通信领域。该方法包括:接收配置信令,配置信令中包括第一指示字段,第一指示字段用于指示终端发送物理上行共享信道PUSCH的基于码本的上行传输时预编码矩阵指示信息TPMI指示信息;基于TPMI指示信息确定发送PUSCH时使用的预编码,其中终端上报是否支持第二个TPMI指示域的能力。在上行PUSCH的传输中,考虑可配置的上行传输方案,支持使用宏分集方式的方式降低由TPMI引起的DCI信令的开销,同时增强上行重复传输时的鲁棒性。

Description

上行传输方法、装置、设备及可读存储介质 技术领域
本公开涉及通信领域,特别涉及一种上行传输方法、装置、设备及可读存储介质。
背景技术
在新空口(New Radio,NR)中,对于multi-TRP增强的方案,提出了基于码本的物理上行共享信道(Physical Uplink Shared Channel,PUSCH)传输引入两个传输预编码矩阵指示信息(Transmitted Precoding Matrix Indicator,TPMI)和两个SRS资源指示信息(SRS Resource Indicator,SRI)域。
通过第一个SRI域指示对应的SRS资源用于第一个TRP方向的发送,发送使用第一个TPMI域指示的预编码方式;通过第二个SRI域指示对应的SRS资源用于第二个TRP方向的发送,发送使用第二个TPMI域指示的预编码方式。
然而,该方式中DCI开销较大,会降低在Multi-TRP场景下的DCI解调性能。
发明内容
本公开实施例提供了一种上行传输方法、装置、设备及可读存储介质,能够降低由TPMI引起的DCI信令的开销,同时增强上行重复传输时的鲁棒性。所述技术方案如下:
根据本公开的一方面,提供了一种上行传输方法,应用于终端,所述方法包括:
接收配置信令,所述配置信令中包括第一指示字段,所述第一指示字段用于指示所述终端发送物理上行共享信道PUSCH的基于码本的上行传输时预编码矩阵指示信息TPMI指示信息;
基于所述TPMI指示信息确定发送所述PUSCH时使用的预编码。
另一方面,提供了一种上行传输方法,应用于网络设备,所述方法包括:
向终端发送配置信令,所述配置信令中包括第一指示字段,所述第一指示 字段用于指示所述终端发送物理上行共享信道PUSCH的基于码本的上行传输时预编码矩阵指示信息TPMI指示信息;
基于所述TPMI指示信息确定接收所述PUSCH时使用的预编码。
另一方面,提供了一种上行传输装置,应用于终端,所述装置包括:
接收模块,用于接收配置信令,所述配置信令中包括第一指示字段,所述第一指示字段用于指示所述终端发送物理上行共享信道PUSCH的基于码本的上行传输时预编码矩阵指示信息TPMI指示信息;
处理模块,用于基于所述TPMI指示信息确定发送所述PUSCH时使用的预编码。
另一方面,提供了一种上行传输装置,应用于网络设备,所述装置包括:
发送模块,用于向终端发送配置信令,所述配置信令中包括第一指示字段,所述第一指示字段用于指示所述终端发送物理上行共享信道PUSCH的基于码本的上行传输时预编码矩阵指示信息TPMI指示信息;
处理模块,用于基于所述TPMI指示信息确定接收所述PUSCH时使用的预编码。
另一方面,提供了一种终端设备,该终端设备包括:
处理器;
与处理器相连的收发器;
其中,处理器被配置为加载并执行可执行指令以实现如上述本公开实施例所述的上行传输方法。
另一方面,提供了一种网络设备,该网络设备包括:
处理器;
与处理器相连的收发器;
其中,处理器被配置为加载并执行可执行指令以实现如上述本公开实施例所述的上行传输方法。
另一方面,提供了一种计算机可读存储介质,该计算机可读存储介质中存储有至少一条指令、至少一段程序、代码集或指令集,上述至少一条指令、至少一段程序、代码集或指令集由处理器加载并执行以实现如上述本公开实施例所述的上行传输方法。
本公开实施例提供的技术方案带来的有益效果至少包括:
在上行PUSCH的传输中,考虑可配置的上行传输方案,支持使用宏分集方式的方式降低由TPMI引起的DCI信令的开销,同时增强上行重复传输时的鲁棒性。
附图说明
为了更清楚地说明本公开实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本公开的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1示出了本公开一个示例性实施例提供的通信系统的框图;
图2示出了本公开一个示例性实施例提供的上行传输方法的流程图;
图3是本公开一个示例性实施例提供的PUSCH的重复类型A的示意图;
图4是本公开一个示例性实施例提供的PUSCH的重复类型B的示意图;
图5示出了本公开另一个示例性实施例提供的上行传输方法的流程图;
图6示出了本公开另一个示例性实施例提供的上行传输方法的流程图;
图7示出了本公开一个示例性实施例提供的上行传输装置的结构框图;
图8示出了本公开另一个示例性实施例提供的上行传输装置的结构框图;
图9是本公开一示例性实施例示出的通信设备的结构框图。
具体实施方式
为使本公开的目的、技术方案和优点更加清楚,下面将结合附图对本公开实施方式作进一步地详细描述。
请参考图1,其示出了本申请一个实施例提供的通信系统的示意图。该通信系统可以包括:终端设备10和网络设备。
终端设备10的数量通常为多个,每一个网络设备所管理的小区内可以分布一个或多个终端设备10。终端设备10可以包括各种具有无线通信功能的手持设备、车载设备、可穿戴设备、计算设备或连接到无线调制解调器的其它处理设备,以及各种形式的用户设备(User Equipment,UE),移动台(Mobile Station, MS)等等。为方便描述,本申请实施例中,上面提到的设备统称为终端设备。
网络设备是一种部署在接入网中用以为终端设备10提供无线通信功能的装置。网络设备可以包括各种形式的宏基站,微基站,中继站,接入点等等。在采用不同的无线接入技术的系统中,具备网络设备功能的设备的名称可能会有所不同,例如在5G NR系统中,称为gNodeB或者gNB。随着通信技术的演进,“网络设备”这一名称可能会变化。为了方便描述,本申请实施例中,上述为终端设备10提供无线通信功能的装置统称为网络设备。在一个示例中,网络设备与终端设备10之间通过某种空口技术互相通信,如Uu接口。
在一个示例中,一个网络设备可以部署有多个TRP,示例性地,如图1所示,网络设备对应有TRP1、TRP2……TRPn(TRP在图1中标号为20)。终端设备可以使用不同的发送波束面向不同TRP发送上行信道(如PUSCH),网络设备可以通过多个TRP接收终端设备发送的上行信道(如PUSCH)。示例性地,由于不同TRP与终端设备的相对方位不同,终端设备需要使用不同波束方向的发送波束,向对应方向上的TRP发送上行信道(如PUSCH)。
本公开实施例中的“5G NR系统”也可以称为5G系统或者NR系统,但本领域技术人员可以理解其含义。本公开实施例描述的技术方案可以适用于5G NR系统,也可以适用于5G NR系统后续的演进系统。
本公开实施例的技术方案可以应用于各种通信系统,例如:全球移动通讯(Global System of Mobile Communication,GSM)系统、码分多址(Code Division Multiple Access,CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)系统、通用分组无线业务(General Packet Radio Service,GPRS)、长期演进(Long Term Evolution,LTE)系统、LTE频分双工(Frequency Division Duplex,FDD)系统、LTE时分双工(Time Division Duplex,TDD)系统、先进的长期演进(Advanced long Term Evolution,LTE-A)系统、新无线(New Radio,NR)系统、NR系统的演进系统、非授权频段上的LTE(LTE-based access to Unlicensed spectrum,LTE-U)系统、NR-U系统、通用移动通信系统(Universal Mobile Telecommunication System,UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access,WiMAX)通信系统、无线局域网(Wireless Local Area Networks,WLAN)、无线保真(Wireless Fidelity,WiFi)、下一代通信系统或其他通信系统等。
3GPP在5G NR系统中引入了基于多TRP的协作传输技术。网络设备多TRP/Panel(天线面板)的应用主要为了改善小区边缘的覆盖,在服务区内提供更为均衡的服务质量,用不同的方式在多个TRP/Panel间协作传输数据。从网络形态角度考虑,以大量的分布式接入点加基带集中处理的方式进行网络部署将更加有利于提供均衡的用户体验速率,并且显著的降低越区切换带来的时延和信令开销。利用多TRP/Panel之间的协作,从多个方向的多个波束进行信道的传输/接收,可以更好地克服各种遮挡/阻挡效应,保障链路连接的鲁棒性,适合URLLC(Ultra Reliable Low Latency Communication,超高可靠性与低时延通信)业务提升传输质量和满足可靠性要求。
在R16(Release 16,第16版本)研究阶段,基于多TRP的协作传输技术的应用,主要对PDSCH(Physical Downlink Shared Channel,物理下行共享信道)进行了传输增强。由于数据传输包括上下行信道的调度反馈,因此在URLLC的研究中,只对下行数据信道增强不能保证业务性能。因此,在R17的讨论继续对PDCCH(Physical Downlink Control Channel,物理下行控制信道)以及PUCCH(Physical Uplink Control Channel,物理上行控制信道)、物理上行共享信道(Physical Uplink Shared Channel,PUSCH)进行增强。
PUSCH的上行传输方案中包括:1、基于码本的上行传输;2、基于非码本的数据传输。针对该两种上行传输方案分别进行说明。
1、基于码本的上行传输。
在NR系统中,接入网设备可以为终端配置最多一个SRS资源集用于基于码本的上行传输,通过将一个SRS资源集配置为“codebook”来实现。
当接入网设备通过下行控制信息(Downlink Control Information,DCI)格式format 0_1调度PUSCH,且接入网设备为终端配置了两个基于码本的上行传输的SRS资源时,终端根据SRS资源指示信息(SRS Resource Indicator,SRI)和传输预编码矩阵指示信息(Transmitted Precoding Matrix Indicator,TPMI)/传输流数指示信息(Transmitted Rank Indicator,TRI)指示确定PUSCH的预编码和传输流数,并将数据流通过所确定的预编码映射到SRI所指示的SRS资源的端口上进行传输。
当基站为终端配置了多个用于基于码本的上行传输的SRS资源,且存在SRI 指示域时,通过一个SRI指示域指示基站为终端配置了多个基于码本的上行传输的SRS资源中的哪个SRS资源。当基站通过DCI format 0_1调度PUSCH,且基站只为终端配置了一个用于基于码本的上行传输的SRS资源时,则不存在SRI指示。
终端在上行传输中的数据需要使用网络侧指定的预编码矩阵指示信息(Precoding Matrix Indicator,PMI)和流数指示信息(Rank Indicator,RI)进行预编码,同时对于预编码后的数据按照SRI指示的SRS资源对应的空间滤波器(SpatialRelationInfo)映射到相应的天线端口上。
示意性的,表一示出了SRI对应多个SRS资源的指示方式。
表一
Bit field mapped to index SRI(s),N SRS=2
0 0
1 1
根据表一可知,当DCI的指定比特位取值为0时,该比特位对应的SRI域用于指示使用第0个SRS资源;对应的,当DCI的指定比特位取值为1时,该比特位对应的SRI域用于指示使用第1个SRS资源。
表二示出了4天线端口为例的单层传输TPMI和RI的信令指示方式,分别针对不同的UE能力。其中,UE能力包括全相关、部分相关和不相关三类。
表二
Figure PCTCN2021103243-appb-000001
不相关类型对应的码本子集为码本中所有的对应任意数据流只通过一个天线端口传输的预编码码字。部分相关类型对应的码本子集为码本中所有的满足如下条件的码字:任意一个数据流通过一个天线端口,或者第一、三端口,或者第二、四端口传输的预编码码字。全相关类型对应的码本子集为码本中所有码字。
示意性的,根据表二可知,以全相关类型为例,当比特位取值为0时,则对应表达传输层数为1层,且对应的TPMI域对应的TPMI信息指示采用码本中的第0个预编码矩阵进行预编码。
表三示出了码本的形式。
表三
Figure PCTCN2021103243-appb-000002
2、基于非码本的上行传输。
在NR系统中,基站可以为终端配置最多一个SRS资源集用于基于非码本的上行传输,通过将一个SRS资源集配置为“noncodebook”来实现。
对于基于非码本的上行传输,终端向基站发送一个最大可同时传输的SRS资源数的能力。该资源集最多可配置4个SRS资源,每个SRS资源里包含1个SRS端口。基站可以通过SRI向终端指示一个或多个SRS资源用于PUSCH预 编码的确定,SRI对应的SRS资源数即为PUSCH传输的流数。当基站为终端只配置了1个SRS资源用于非码本的上行传输时,DCI format 0_1中不包含SRI,终端根据配置的SRS资源确定PUSCH的预编码。
在目前的R17讨论中,对于multi-TRP增强,基于码本的PUSCH传输引入两个TPMI域和两个SRI域,在配置两个SRS资源集合的情况下,PUSCH使用第一个SRI域指示对应的SRS资源用于第一个TRP方向的发送,发送使用的具体的预编码和层数通过第一个TPMI域指示,PUSCH使用第二个SRI域指示对应的SRS资源用于第二个TRP方向的发送,发送使用的具体的预编码和层数通过第二个TPMI域指示。
然而,该方案导致DCI信令的开销较大,降低了在multi-TRP场景下的DCI解调性能。
本公开提供了一种上行传输方法,请参考图2,其示出了本公开一个示例性实施例提供的上行传输方法的流程图,以该方法应用于终端中为例,如图2所示,该方法包括:
步骤201,接收配置信令,配置信令中包括第一指示字段,第一指示字段用于指示终端发送PUSCH的基于码本的上行传输时TPMI指示信息。
在一些实施例中,配置信令中用于指示TPMI指示域的字段仅包括第一指示字段。在一些实施例中,该配置信令包括物理层信令、无线资源控制(Radio Resource Control,RRC)信令、媒体访问控制单元(Media Access Control Element,MAC CE)中的任意一种。本实施例中,以该配置信令实现为RRC信令为例进行说明。
可选地,第一指示字段用于指示终端面向一个或者至少两个TRP发送PUSCH的基于码本的上行传输时的TPMI指示信息。在一些实施例中,TPMI指示信息用于指示终端在基于码本的上行传输时配置第二个TPMI域;或者,TPMI指示信息用于指示终端在基于码本的上行传输时不具备配置第二个TPMI域的能力。
在一些实施例中,该配置信令为网络设备向终端直接配置的;也即,无论终端是否具备支持第二个TPMI域的UE能力,网络设备都可以向终端发送配置信息,配置终端在基于码本传输时通过被配置的TPMI域确定发送预编码。
或者,网络设备在接收到终端设备上报的UE能力后,根据UE能力向终端发送该配置信令。也即,终端首先向网络设备发送UE能力相关信息,该UE能力相关信息用于指示终端在支持至少两个TRP的协作发送PUSCH时DCI中是否支持配置第二个TPMI指示域的能力,从而网络设备根据UE能力相关信息向终端发送配置信令。
步骤202,基于TPMI指示信息确定发送PUSCH时使用的预编码。
在一些实施例中基于TPMI指示信息确定面向一个TRP方向发送PUSCH时使用的预编码;或者,基于TPMI指示信息确定面向至少两个TRP方向发送PUSCH时使用的预编码。
本公开实施例中,在TPMI指示信息用于指示终端通过TPMI域指示预编码矩阵的情况下,通过TPMI域中的TPMI信息确定PUSCH的预编码。
在一些实施例中,在确定发送PUSCH时使用的预编码后,根据预编码确定PUSCH的发送波束进行发送。
在一些实施例中,PUSCH的上行传输方案包括基于码本的上行传输和非码本上行传输。对于面向不同TRP的PUSCH发送,方向信息可以通过DCI信令中的SRI域来指示,具体的预编码使用TPMI域来分别指示。
目前PUSCH的时分复用(Time Division Multiplexing,TDM)重复方式主要有PUSCH重复类型A和PUSCH重复类型B。针对重复类型A和重复类型B分别进行说明。
重复类型A:通过RRC信令配置时隙间的重复传输,在多个传输时机(nominal repetition)上重复传输相同的传输块(Transport Block,TB)。其中,传输时机是指在时域上对PUSCH进行传输的连续时域资源,传输类型A中,一个传输时机在一个时隙内,不同的传输时机在不同的时隙内。传输类型A主要应用在小区边缘,因此同时限制了传输层数为单侧传输。一个PUSCH在连续的K个时隙中传输,即K个传输时机,起始时隙中的第S个符号(symbol)上开始传输,每个传输时机持续L个符号,同时S+L不超过时隙边界(slot boundary)。示意性的,请参考图3,其示出了PUSCH的重复类型A的示意图,如图3所示,在PUSCH信道310的传输过程中,终端设备在第一个时隙的第4个符号至第7个符号进行第一次重复传输,在第二个时隙的第4个符号至第7个符号进行第二次重复传输,其中,一个时隙包括14个符号,分别为第0个符 号至第13个符号。
重复类型B:传输类型B可以实现对于同一个TB的back to back连续传输,可以跨时隙边界。这种传输类型对传输层数没有限制,可以支持上行1-4层的数据传输。在时域上,一个PUSCH在起始时隙中的第S个符号上开始传输,连续发送K个传输时机,每个传输时机都连续(back-to-back)占用L个符号,传输S+L可以跨时隙边界。也即,在传输类型B中,一个时隙内可以包括一个或者多个传输时机。
示意性的,图4示出了PUSCH的重复类型B的示意图。如图4所示,以一个PUSCH在起始时隙中的第4个符号上开始传输,连续发送4个传输时机,每个传输时机都连续占用4个符号为例,图4示出了PUSCH信道410的传输。
对于基于多TRP传输的PUSCH,终端通过面向不同的TRP联合发送PUSCH的统一TB来进一步得到空间分集增益,提高传输可靠性。对于不同的传输时机,可以映射不同的波束方向对应的传输,具体可以通过下述多种可能的映射规则方式把多个TB的重复传输映射到K个具体的传输时机,因此对应面向不同TRP的波束发送的传输时机即被分为两组。以K=8为例说明,交替映射(cyclic mapping),eg:12121212;连续映射(Sequential mapping),eg:11221122;对半映射(Half-half mapping),eg:11112222。
可选地,终端按照配置的TPMI指示信息决定PUSCH的发送方案。其中,PUSCH的发送方案包括如下情况中的至少一种:
第一,将TPMI域中的TPMI信息所指示的预编码应用于PUSCH的所有传输时机。
可选地,无论当前传输配置是否为multi-TRP发送,仅使用网络在第一个TPMI域指示的TPMI信息对应的预编码进行PUSCH的发送,并应用于PUSCH的所有传输时机中。也即,针对面向一个TRP方向的PUSCH发送,或者面向多个TRP方向的PUSCH发送,都仅使用网络在第一个TPMI域指示的TPMI信息对应的预编码。
第二,将TPMI域中的TPMI信息所指示的预编码应用于PUSCH的第一个传输时机。
也即,使用网络在第一个TPMI域指示的TPMI信息,并将该TPMI信息仅用于第一个传输时机,后续的传输时机可以使用相同或者不同的预编码。
可选地,将网络预配置的预编码应用于PUSCH的第n个传输时机,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码。
或者,将预定义的预编码应用于PUSCH的第n个传输时机,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码。
在一些实施例中,将与TPMI域中的TPMI信息关联的,由终端根据一定的已知信息确定使用的一组预编码,应用于第一个传输时机之后PUSCH的传输时机中,不同的传输时机应用相同或者不同的预编码。
第三,将TPMI域中的TPMI信息所指示的预编码,应用于面向每个TRP方向发送PUSCH分别对应的传输时机组中各自的第一个传输时机。
在一些实施例中,除了第一个传输时机以外的其它传输时机使用相同或者不同的预编码。
在一些实施例中,当SRS资源集合配置为至少一个并存在至少一个SRI指示域时,分别在每个SRI域中指示的SRS资源对应的波束(beam)方向上,应用TPMI域指示的预编码进行PUSCH的发送;或者,当SRS资源集合配置为至少一个,但不存在对应的SRI指示域时,分别在每个SRS资源集合中包含的SRS在资源对应的beam方向上,应用TPMI域指示的预编码进行PUSCH的发送。
综上所述,本公开实施例提供的上行传输方法,在上行PUSCH的传输中,考虑可配置的上行传输方案,支持使用宏分集方式的方式降低由TPMI引起的DCI信令的开销,同时增强上行重复传输时的鲁棒性。
图5是本公开一个示例性实施例提供的上行传输方法的流程图,以该方法应用于网络设备中为例进行说明,如图5所示,该方法包括:
步骤501,向终端发送配置信令,配置信令中包括第一指示字段,第一指示字段用于指示终端发送PUSCH的基于码本的上行传输时TPMI指示信息。
在一些实施例中,该配置信令为网络设备向终端直接配置的;也即,无论终端是否具备支持第二个TPMI域的UE能力,网络设备都可以向终端发送配置信息,配置终端在基于码本传输时通过被配置的TPMI域确定发送预编码。
或者,网络设备在接收到终端设备上报的UE能力后,根据UE能力向终端发送该配置信令。也即,网络设备接收终端发送的UE能力相关信息,UE能力相关信息用于指示终端在支持至少两个TRP方向的协作发送PUSCH时,DCI 中是否支持配置第二个TPMI指示域的能力。
步骤502,基于TPMI指示信息确定接收PUSCH时使用的预编码。
在一些实施例中,配置TPMI指示信息应用于面向一个TRP方向接收PUSCH时所使用的预编码,或者,配置TPMI指示信息应用于面向至少两个TRP方向接收PUSCH时使用的预编码。
可选地,配置TPMI域中的TPMI信息所指示的预编码应用于PUSCH的所有传输时机。
或者,配置TPMI域中的TPMI信息所指示的预编码应用于PUSCH的第一个传输时机,则除第一个传输时机以外的其它传输时机,采用预配置的预编码或者预定义的预编码。也即,预配置情况下:向终端发送配置信息,该配置信息用于向终端配置应用于PUSCH的第n个传输时机的预编码,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码;预定义情况下:预定义应用于PUCH的第n个传输时机的预编码,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码。
或者,配置TPMI域中的TPMI信息所指示的预编码,应用于面向每个TRP方向接收PUSCH分别对应的传输时机组中的各自第一个传输时机。而第一个传输时机以外的其他传输时机使用相同或者不同的预编码。
综上所述,本公开实施例提供的上行传输方法,在上行PUSCH的传输中,考虑可配置的上行传输方案,支持使用宏分集方式的方式降低由TPMI引起的DCI信令的开销,同时增强上行重复传输时的鲁棒性。
图6为本公开一个示例性实施例提供的上行传输方法的流程图,以该方法应用于通信系统中为例进行说明,如图6所示,该方法包括:
步骤601,终端向网络设备发送UE能力相关信息。
UE能力相关信息用于指示终端在支持至少两个TRP的协作发送PUSCH时DCI中是否支持配置第二个TPMI指示域的能力。
步骤602,网络设备向终端发送配置信令,配置信令中包括第一指示字段,第一指示字段用于指示终端发送PUSCH的基于码本的上行传输时TPMI指示信息。
在一些实施例中,配置信令中只包括第一指示字段。
在一些实施例中,该配置信令包括物理层信令、RRC信令、MAC CE中的任意一种。本实施例中,以该配置信令实现为RRC信令为例进行说明。
可选地,第一指示字段用于指示终端面向一个或者至少两个TRP发送PUSCH的基于码本的上行传输时的TPMI指示信息。在一些实施例中,TPMI指示信息用于指示终端在基于码本的上行传输时不具备配置第二个TPMI域的能力。
步骤603,终端基于TPMI指示信息确定发送PUSCH时使用的预编码。
在一些实施例中基于TPMI指示信息确定面向一个TRP方向发送PUSCH时使用的预编码;或者,基于TPMI指示信息确定面向至少两个TRP方向发送PUSCH时使用的预编码。
本公开实施例中,在TPMI指示信息用于指示终端通过TPMI域指示预编码矩阵的情况下,通过TPMI域中的TPMI信息确定PUSCH的预编码。
在一些实施例中,PUSCH的上行传输方案包括基于码本的上行传输和非码本上行传输。对于面向不同TRP的PUSCH发送,方向信息可以通过DCI信令中的SRI域来指示,具体的预编码使用TPMI域来分别指示。
步骤604,终端根据预编码进行PUSCH的传输。
在一些实施例中,在确定发送PUSCH时使用的预编码后,根据预编码确定定PUSCH的发送波束进行发送。
步骤605,网络设备基于TPMI指示信息确定接收PUSCH时使用的预编码。
可选地,将TPMI域中的TPMI信息所指示的预编码应用于PUSCH的所有传输时机。
或者,即将TPMI域中的TPMI信息所指示的预编码应用于PUSCH的第一个传输时机,则除第一个传输时机以外的其它传输时机,采用预配置的预编码或者预定义的预编码。也即,预配置情况下:向终端发送配置信息,该配置信息用于向终端配置应用于PUSCH的第n个传输时机的预编码,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码;预定义情况下:将预定义的预编码应用于PUCH的第n个传输时机,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码。
或者,将TPMI域中的TPMI信息所指示的预编码,应用于面向每个TRP方向接收PUSCH分别对应的传输时机组中的各自第一个传输时机。而第一个传 输时机以外的其他传输时机使用相同或者不同的预编码。
步骤606,网络设备根据预编码进行PUSCH的接收。
综上所述,本公开实施例提供的上行传输方法,在上行PUSCH的传输中,考虑可配置的上行传输方案,支持使用宏分集方式的方式降低由TPMI引起的DCI信令的开销,同时增强上行重复传输时的鲁棒性。
图7是本公开一个示例性实施例提供的上行传输装置的结构框图,如图7所示,以该装置用于终端,所述装置包括:
接收模块710,用于接收配置信令,所述配置信令中包括第一指示字段,所述第一指示字段用于指示所述终端发送物理上行共享信道PUSCH的基于码本的上行传输时预编码矩阵指示信息TPMI指示信息;
处理模块720,用于基于所述TPMI指示信息确定发送所述PUSCH时使用的预编码。
在一个可选的实施例中,所述处理模块720,还用于基于所述TPMI指示信息确定面向一个TRP方向发送所述PUSCH时使用的预编码;
或者,
所述处理模块720,还用于基于所述TPMI指示信息确定面向至少两个TRP方向发送所述PUSCH时使用的预编码。
在一个可选的实施例中,所述处理模块720,还用于在所述TPMI指示信息用于指示所述终端通过TPMI域指示预编码矩阵的情况下,通过所述TPMI域中的TPMI信息确定所述PUSCH的预编码。
在一个可选的实施例中,所述处理模块720,还用于将所述TPMI域中的所述TPMI信息所指示的预编码应用于所述PUSCH的所有传输时机。
在一个可选的实施例中,所述处理模块720,还用于将所述TPMI域中的所述TPMI信息所指示的预编码应用于所述PUSCH的第一个传输时机。
在一个可选的实施例中,所述处理模块720,还用于将网络预配置的预编码应用于所述PUSCH的第n个传输时机,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码;
或者,
所述处理模块720,还用于将预定义的预编码应用于所述PUSCH的第n个 传输时机,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码。
在一个可选的实施例中,所述处理模块720,还用于将与所述TPMI域中的TPMI信息关联的,由终端根据一定的已知信息确定使用的一组预编码,应用于所述第一个传输时机之后PUSCH的传输时机中,不同的传输时机应用相同或者不同的预编码。
在一个可选的实施例中,所述处理模块720,还用于将所述TPMI域中的TPMI信息所指示的预编码,应用于面向每个TRP方向发送PUSCH分别对应的传输时机组中的各自第一个传输时机。
在一个可选的实施例中,所述第一个传输时机以外的其他传输时机使用相同或者不同的预编码。
在一个可选的实施例中,当探测参考信号SRS资源集合配置至少一个并存在至少一个SRS资源指示SRI指示域时,分别在每个SRI域中指示的SRS资源对应的波束方向上,应用TPMI域指示的预编码进行PUSCH的发送。
在一个可选的实施例中,当探测参考信号SRS资源集合配置为至少一个但不存在对应的SRI指示域时,分别在每个SRS资源集合中包含的SRS资源对应的波束方向上,应用TPMI域指示的预编码进行PUSCH的发送。
在一个可选的实施例中,所述装置还包括:
发送模块730,用于向网络发送UE能力相关信息,所述UE能力相关信息用于指示所述终端在支持至少两个TRP的协作发送PUSCH时DCI中是否支持配置第二个TPMI指示域的能力。
图8是本公开一个示例性实施例提供的上行传输装置的结构框图,如图8所示,以该装置应用于网络设备,所述装置包括:
发送模块810,用于向终端发送配置信令,所述配置信令中包括第一指示字段,所述第一指示字段用于指示所述终端发送物理上行共享信道PUSCH的基于码本的上行传输时预编码矩阵指示信息TPMI指示信息;
处理模块820,用于基于所述TPMI指示信息确定接收所述PUSCH时使用的预编码。
在一个可选的实施例中,所述处理模块820,还用于基于所述TPMI指示信息确定面向一个TRP方向接收所述PUSCH时使用的预编码;
或者,
所述处理模块820,还用于基于所述TPMI指示信息确定面向至少两个TRP方向接收所述PUSCH时使用的预编码。
在一个可选的实施例中,所述处理模块820,还用于将所述TPMI域中的所述TPMI信息所指示的预编码应用于所述PUSCH的所有传输时机。
在一个可选的实施例中,所述处理模块820,还用于将所述TPMI域中的所述TPMI信息所指示的预编码应用于所述PUSCH的第一个传输时机。
在一个可选的实施例中,所述发送模块810,还用于向终端发送配置信息,所述配置信息用于向终端配置应用于所述PUSCH的第n个传输时机的预编码,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码;
或者,
所述处理模块820,还用于将预定义的预编码应用于所述PUSCH的第n个传输时机,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码。
在一个可选的实施例中,所述处理模块820,还用于将所述TPMI域中的TPMI信息所指示的预编码,应用于面向每个TRP方向接收PUSCH分别对应的传输时机中的各自第一个传输时机。
在一个可选的实施例中,所述第一个传输时机以外的其他传输时机使用相同或者不同的预编码。
在一个可选的实施例中,所述装置还包括:
接收模块830,用于接收所述终端发送的UE能力相关信息,所述UE能力相关信息用于指示所述终端在支持至少两个TRP的协作发送PUSCH时DCI中是否支持配置第二个TPMI指示域的能力。
综上所述,本公开实施例提供的上行传输装置,在上行PUSCH的传输中,考虑可配置的上行传输方案,支持使用宏分集方式的方式降低由TPMI引起的DCI信令的开销,同时增强上行重复传输时的鲁棒性。
图9示出了本公开一个示例性实施例提供的通信设备900(终端设备或网络设备)的结构示意图,该通信设备900包括:处理器901、接收器902、发射器903、存储器904和总线905。
处理器901包括一个或者一个以上处理核心,处理器901通过运行软件程 序以及模块,从而执行各种功能应用以及信息处理。
接收器902和发射器903可以实现为一个通信组件,该通信组件可以是一块通信芯片。
存储器904通过总线905与处理器901相连。
存储器904可用于存储至少一个指令,处理器901用于执行该至少一个指令,以实现上述方法实施例中的各个步骤。
此外,存储器904可以由任何类型的易失性或非易失性存储设备或者它们的组合实现,易失性或非易失性存储设备包括但不限于:磁盘或光盘,电可擦除可编程只读存储器(Erasable Programmable Read Only Memory,EEPROM),可擦除可编程只读存储器(Erasable Programmable Read Only Memory,EPROM),静态随时存取存储器(Static Random Access Memory,SRAM),只读存储器(Read-Only Memory,ROM),磁存储器,快闪存储器,可编程只读存储器(Programmable Read-Only Memory,PROM)。
本公开一示例性实施例还提供了一种上行传输系统,所述系统包括:终端设备和网络设备;
所述终端设备包括如图7所示实施例提供的上行传输装置;
所述网络设备包括如图8所示实施例提供的上行传输装置。
本公开一示例性实施例还提供了一种计算机可读存储介质,所述计算机可读存储介质中存储有至少一条指令、至少一段程序、代码集或指令集,所述至少一条指令、所述至少一段程序、所述代码集或指令集由所述处理器加载并执行以实现上述各个方法实施例提供的上行传输方法中由终端执行的步骤。
应当理解的是,在本文中提及的“多个”是指两个或两个以上。“和/或”,描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。
本领域技术人员在考虑说明书及实践这里公开的发明后,将容易想到本公开的其它实施方案。本公开旨在涵盖本公开的任何变型、用途或者适应性变化, 这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的,本公开的真正范围和精神由下面的权利要求指出。
应当理解的是,本公开并不局限于上面已经描述并在附图中示出的精确结构,并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。

Claims (43)

  1. 一种上行传输方法,其特征在于,应用于终端,所述方法包括:
    接收配置信令,所述配置信令中包括第一指示字段,所述第一指示字段用于指示所述终端发送物理上行共享信道PUSCH的基于码本的上行传输时预编码矩阵指示信息TPMI指示信息;
    基于所述TPMI指示信息确定发送所述PUSCH时使用的预编码。
  2. 根据权利要求1所述的方法,其特征在于,所述方法还包括:
    基于所述TPMI指示信息确定面向一个TRP方向发送所述PUSCH时使用的预编码;
    或者,
    基于所述TPMI指示信息确定面向至少两个TRP方向发送所述PUSCH时使用的预编码。
  3. 根据权利要求1所述的方法,其特征在于,所述基于所述TPMI指示信息确定发送所述PUSCH时使用的预编码,包括:
    在所述TPMI指示信息用于指示所述终端通过TPMI域指示预编码矩阵的情况下,通过所述TPMI域中的TPMI信息确定所述PUSCH的预编码。
  4. 根据权利要求3所述的方法,其特征在于,所述方法还包括:
    将所述TPMI域中的所述TPMI信息所指示的预编码应用于所述PUSCH的所有传输时机。
  5. 根据权利要求3所述的方法,其特征在于,所述方法还包括:
    将所述TPMI域中的所述TPMI信息所指示的预编码应用于所述PUSCH的第一个传输时机。
  6. 根据权利要求5所述的方法,其特征在于,所述方法还包括:
    将网络预配置的预编码应用于所述PUSCH的第n个传输时机,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码;
    或者,
    将预定义的预编码应用于所述PUSCH的第n个传输时机,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码。
  7. 根据权利要求5所述的方法,其特征在于,所述方法还包括:
    将与所述TPMI域中的TPMI信息关联的,由终端根据一定的已知信息确定使用的一组预编码,应用于所述第一个传输时机之后PUSCH的传输时机中,不同的传输时机应用相同或者不同的预编码。
  8. 根据权利要求3所述的方法,其特征在于,所述通过所述TPMI域中的TPMI信息确定所述PUSCH的预编码,包括:
    将所述TPMI域中的TPMI信息所指示的预编码,应用于面向每个TRP方向发送PUSCH分别对应的传输时机组中的各自第一个传输时机。
  9. 根据权利要求8所述的方法,其特征在于,
    所述第一个传输时机以外的其他传输时机使用相同或者不同的预编码。
  10. 根据权利要求1至8任一所述的方法,其特征在于,
    当探测参考信号SRS资源集合配置至少一个并存在至少一个SRS资源指示SRI指示域时,分别在每个SRI域中指示的SRS资源对应的波束方向上,应用TPMI域指示的预编码进行PUSCH的发送。
  11. 根据权利要求1至8任一所述的方法,其特征在于,
    当探测参考信号SRS资源集合配置为至少一个但不存在对应的SRI指示域时,分别在每个SRS资源集合中包含的SRS资源对应的波束方向上,应用TPMI域指示的预编码进行PUSCH的发送。
  12. 根据权利要求1至8任一所述的方法,其特征在于,所述方法还包括:
    向网络发送UE能力相关信息,所述UE能力相关信息用于指示所述终端在支持至少两个TRP的协作发送PUSCH时DCI中是否支持配置第二个TPMI指 示域的能力。
  13. 一种上行传输方法,其特征在于,应用于网络设备,所述方法包括:
    向终端发送配置信令,所述配置信令中包括第一指示字段,所述第一指示字段用于指示所述终端发送物理上行共享信道PUSCH的基于码本的上行传输时预编码矩阵指示信息TPMI指示信息;
    基于所述TPMI指示信息确定接收所述PUSCH时使用的预编码。
  14. 根据权利要求13所述的方法,其特征在于,所述方法还包括:
    配置所述TPMI指示信息应用于面向一个TRP方向接收所述PUSCH时使用的预编码;
    或者,
    配置所述TPMI指示信息应用于面向至少两个TRP方向接收所述PUSCH时使用的预编码。
  15. 根据权利要求14所述的方法,其特征在于,所述方法还包括:
    配置所述TPMI域中的所述TPMI信息所指示的预编码应用于所述PUSCH的所有传输时机。
  16. 根据权利要求14所述的方法,其特征在于,所述方法还包括:
    配置所述TPMI域中的所述TPMI信息所指示的预编码应用于所述PUSCH的第一个传输时机。
  17. 根据权利要求16所述的方法,其特征在于,所述方法还包括:
    向终端发送配置信息,所述配置信息用于向终端配置应用于所述PUSCH的第n个传输时机的预编码,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码;
    或者,
    预定义应用于所述PUSCH的第n个传输时机的预编码,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码。
  18. 根据权利要求14所述的方法,其特征在于,所述通过所述TPMI域中的TPMI信息确定所述PUSCH的预编码,包括:
    配置所述TPMI域中的TPMI信息所指示的预编码,应用于面向每个TRP方向接收PUSCH分别对应的传输时机组中的各自第一个传输时机。
  19. 根据权利要求18所述的方法,其特征在于,
    所述第一个传输时机以外的其他传输时机使用相同或者不同的预编码。
  20. 根据权利要求13至19任一所述的方法,其特征在于,所述方法还包括:
    接收所述终端发送的UE能力相关信息,所述UE能力相关信息用于指示所述终端在支持至少两个TRP的协作发送PUSCH时DCI中是否支持配置第二个TPMI指示域的能力。
  21. 一种上行传输装置,其特征在于,应用于终端,所述装置包括:
    接收模块,用于接收配置信令,所述配置信令中包括第一指示字段,所述第一指示字段用于指示所述终端发送物理上行共享信道PUSCH的基于码本的上行传输时预编码矩阵指示信息TPMI指示信息;
    处理模块,用于基于所述TPMI指示信息确定发送所述PUSCH时使用的预编码。
  22. 根据权利要求21所述的装置,其特征在于,所述处理模块,还用于基于所述TPMI指示信息确定面向一个TRP方向发送所述PUSCH时使用的预编码;
    或者,
    所述处理模块,还用于基于所述TPMI指示信息确定面向至少两个TRP方向发送所述PUSCH时使用的预编码。
  23. 根据权利要求21所述的装置,其特征在于,所述处理模块,还用于在所述TPMI指示信息用于指示所述终端通过TPMI域指示预编码矩阵的情况下,通过所述TPMI域中的TPMI信息确定所述PUSCH的预编码。
  24. 根据权利要求23所述的装置,其特征在于,所述处理模块,还用于将所述TPMI域中的所述TPMI信息所指示的预编码应用于所述PUSCH的所有传输时机。
  25. 根据权利要求23所述的装置,其特征在于,所述处理模块,还用于将所述TPMI域中的所述TPMI信息所指示的预编码应用于所述PUSCH的第一个传输时机。
  26. 根据权利要求25所述的装置,其特征在于,所述处理模块,还用于将网络预配置的预编码应用于所述PUSCH的第n个传输时机,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码;
    或者,
    所述处理模块,还用于将预定义的预编码应用于所述PUSCH的第n个传输时机,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码。
  27. 根据权利要求25所述的装置,其特征在于,所述处理模块,还用于将与所述TPMI域中的TPMI信息关联的,由终端根据一定的已知信息确定使用的一组预编码,应用于所述第一个传输时机之后PUSCH的传输时机中,不同的传输时机应用相同或者不同的预编码。
  28. 根据权利要求23所述的装置,其特征在于,所述处理模块,还用于将所述TPMI域中的TPMI信息所指示的预编码,应用于面向每个TRP方向发送PUSCH分别对应的传输时机组中的各自第一个传输时机。
  29. 根据权利要求28所述的装置,其特征在于,
    所述第一个传输时机以外的其他传输时机使用相同或者不同的预编码。
  30. 根据权利要求21至28任一所述的装置,其特征在于,
    当探测参考信号SRS资源集合配置至少一个并存在至少一个SRS资源指示 SRI指示域时,分别在每个SRI域中指示的SRS资源对应的波束方向上,应用TPMI域指示的预编码进行PUSCH的发送。
  31. 根据权利要求21至28任一所述的装置,其特征在于,
    当探测参考信号SRS资源集合配置为至少一个但不存在对应的SRI指示域时,分别在每个SRS资源集合中包含的SRS资源对应的波束方向上,应用TPMI域指示的预编码进行PUSCH的发送。
  32. 根据权利要求21至28任一所述的装置,其特征在于,所述装置还包括:
    发送模块,用于向网络发送UE能力相关信息,所述UE能力相关信息用于指示所述终端在支持至少两个TRP的协作发送PUSCH时DCI中是否支持配置第二个TPMI指示域的能力。
  33. 一种上行传输装置,其特征在于,应用于网络设备,所述装置包括:
    发送模块,用于向终端发送配置信令,所述配置信令中包括第一指示字段,所述第一指示字段用于指示所述终端发送物理上行共享信道PUSCH的基于码本的上行传输时预编码矩阵指示信息TPMI指示信息;
    处理模块,用于基于所述TPMI指示信息确定接收所述PUSCH时使用的预编码。
  34. 根据权利要求33所述的装置,其特征在于,所述处理模块,还用于配置所述TPMI指示信息应用于面向一个TRP方向接收所述PUSCH时使用的预编码;
    或者,
    所述处理模块,还用于配置所述TPMI指示信息应用于面向至少两个TRP方向接收所述PUSCH时使用的预编码。
  35. 根据权利要求34所述的装置,其特征在于,所述处理模块,还用于配置所述TPMI域中的所述TPMI信息所指示的预编码应用于所述PUSCH的所有传输时机。
  36. 根据权利要求34所述的装置,其特征在于,所述处理模块,还用于配置所述TPMI域中的所述TPMI信息所指示的预编码应用于所述PUSCH的第一个传输时机。
  37. 根据权利要求36所述的装置,其特征在于,所述发送模块,还用于向终端发送配置信息,所述配置信息用于向终端配置应用于所述PUSCH的第n个传输时机的预编码,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码;
    或者,
    所述处理模块,还用于预定义应用于所述PUSCH的第n个传输时机的预编码,n>1,且n为整数,不同的传输时机应用相同或者不同的预编码。
  38. 根据权利要求34所述的装置,其特征在于,所述处理模块,还用于配置所述TPMI域中的TPMI信息所指示的预编码,应用于面向每个TRP方向接收PUSCH分别对应的传输时机组中的各自第一个传输时机。
  39. 根据权利要求38所述的装置,其特征在于,
    所述第一个传输时机以外的其他传输时机使用相同或者不同的预编码。
  40. 根据权利要求33至39任一所述的装置,其特征在于,所述装置还包括:
    接收模块,用于接收所述终端发送的UE能力相关信息,所述UE能力相关信息用于指示所述终端在支持至少两个TRP的协作发送PUSCH时DCI中是否支持配置第二个TPMI指示域的能力。
  41. 一种终端设备,其特征在于,所述终端设备包括:
    处理器;
    与所述处理器相连的收发器;
    其中,所述处理器被配置为加载并执行可执行指令以实现如权利要求1至12任一所述的上行传输方法。
  42. 一种网络设备,其特征在于,所述网络设备包括:
    处理器;
    与所述处理器相连的收发器;
    其中,所述处理器被配置为加载并执行可执行指令以实现如权利要求13至20任一所述的上行传输方法。
  43. 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质中存储有至少一条指令、至少一段程序、代码集或指令集,所述至少一条指令、所述至少一段程序、所述代码集或所述指令集由处理器加载并执行以实现如权利要求1至20任一所述的上行传输方法。
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