WO2021088012A1 - 信息处理方法、终端设备及存储介质 - Google Patents

信息处理方法、终端设备及存储介质 Download PDF

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Publication number
WO2021088012A1
WO2021088012A1 PCT/CN2019/116795 CN2019116795W WO2021088012A1 WO 2021088012 A1 WO2021088012 A1 WO 2021088012A1 CN 2019116795 W CN2019116795 W CN 2019116795W WO 2021088012 A1 WO2021088012 A1 WO 2021088012A1
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WIPO (PCT)
Prior art keywords
dci
terminal device
tci
coreset
group
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PCT/CN2019/116795
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English (en)
French (fr)
Inventor
史志华
陈文洪
方昀
黄莹沛
张治�
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Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to EP23210444.8A priority Critical patent/EP4300870A3/en
Priority to CN202210571450.0A priority patent/CN114980338B/zh
Priority to EP19951377.1A priority patent/EP4044649B1/en
Priority to ES19951377T priority patent/ES2972078T3/es
Priority to PCT/CN2019/116795 priority patent/WO2021088012A1/zh
Priority to CN201980098016.1A priority patent/CN114041298A/zh
Publication of WO2021088012A1 publication Critical patent/WO2021088012A1/zh
Priority to US17/735,081 priority patent/US20220264537A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/02Selection of wireless resources by user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044Arrangements for allocating sub-channels of the transmission path allocation of payload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0096Indication of changes in allocation
    • H04L5/0098Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0094Indication of how sub-channels of the path are allocated

Definitions

  • the present invention relates to mobile communication technology, in particular to an information processing method, terminal equipment and storage medium.
  • the design goal of the New Radio (NR)/5G system includes high-bandwidth communication in high frequency bands (for example, frequency bands above 6G Hertz (Hz)).
  • high frequency bands for example, frequency bands above 6G Hertz (Hz)
  • Hz Hertz
  • An effective technical solution that can effectively guarantee the coverage of the high-band NR system is based on the massive antenna array (Massive Multiple-Input Multiple-Output, Massive MIMO) using multiple beam technology to improve coverage.
  • Massive MIMO Massive MIMO
  • the multiple beam technology may also be referred to as a hybrid beam technology.
  • the current multi-channel beam technology is mainly applied to a single carrier scenario, and does not involve a multi-carrier scenario. Therefore, the application of the multi-channel beam technology in the multi-carrier scenario has become a problem to be solved.
  • the embodiments of the present invention provide an information processing method, terminal equipment, and storage medium, which can realize the application of multi-channel beam technology in the case of multi-carrier.
  • an embodiment of the present invention provides an information processing method, including:
  • the terminal device receives the first downlink control information DCI on the first active bandwidth part BWP of the first component carrier CC, and the first DCI is transmitted on the resource indicated by the first control resource set CORESET corresponding to the first active BWP
  • the first physical downlink shared channel PDSCH scheduled by the first DCI is carried on the second activated BWP of the second CC.
  • an embodiment of the present invention provides a terminal device, including:
  • the receiving unit is configured to receive first downlink control information DCI on the first active bandwidth part BWP of the first component carrier CC, where the first DCI is indicated by the first control resource set CORESET corresponding to the first active BWP For resource transmission, the first physical downlink shared channel PDSCH scheduled by the first DCI is carried on the second activated BWP of the second CC.
  • an embodiment of the present invention provides a terminal device, including a processor and a memory for storing a computer program that can run on the processor, wherein the processor is used to execute the above-mentioned terminal when the computer program is running. The steps of the information processing method performed by the device.
  • an embodiment of the present invention provides a storage medium storing an executable program, and when the executable program is executed by a processor, the above-mentioned information processing method executed by the terminal device is implemented.
  • the information processing method provided by the embodiment of the present invention includes: receiving first downlink control information DCI on the first active bandwidth part BWP of the first component carrier CC, where the first DCI is in the first active BWP corresponding to the first component carrier.
  • the first physical downlink shared channel PDSCH scheduled by the first DCI is carried on the second activated BWP of the second CC; thus, the application of the multi-channel beam technology in the case of multi-carrier is realized.
  • FIG. 1 is a schematic diagram of an optional structure of a single beam system according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an optional structure of a multi-beam system according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of an optional structure of a multi-TRP system according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of an optional process for determining TCI status according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of an optional signaling format of MAC CE according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of an optional composition structure of a communication system according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of an optional processing flow of an information processing method according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of an optional structure of a terminal device implemented in the present invention.
  • FIG. 9 is a schematic diagram of an optional structure of an electronic device provided by an embodiment of the present invention.
  • the Multi-beam system using multi-beam technology in NR/5G concentrates the transmit power in a narrow beam in the downlink to cover part of the cell, thereby achieving enhancement Coverage of the entire system.
  • the network uses a relatively wide beam: beam 101 covers the entire cell, and can be the terminal equipment in the cell at the same time: User Equipment (UE) 1, UE2, UE3, UE4, and UE5 service. Therefore, at each moment, terminal devices within the coverage of the cell have the opportunity to obtain transmission resources allocated by the system.
  • UE User Equipment
  • the multi-beam system uses beam sweeping in time to achieve the effect of covering the entire cell, that is, different beams are used at different times to cover different areas, and each beam covers a small area. Achieve the effect of multiple beams covering the entire cell.
  • a multi-beam system uses 4 different beams at different times: beam 201, beam 202, beam 203, and beam 204 cover different areas, where beam 201 is at time 1 1 covers the area corresponding to UE1, beam 202 covers the area corresponding to UE at time 2, beam 203 covers the area corresponding to UE3 and UE4 at time 3, and beam 204 covers the area corresponding to UE5 at time 4.
  • the terminal equipment in the cell can communicate with the network equipment only when a certain beam just covers its corresponding area at a certain moment. For example, at time 3, the system uses beam 3 to cover UE3 and UE4, and UE3 and UE4 can Communicate with communication equipment.
  • the terminal device can also use multiple transmit beams for uplink transmission.
  • the principle is similar, and the details are not repeated here.
  • Beam is a term used in daily discussions. In actual agreements, the word beam is often invisible. Different beams are identified or indicated by different signals carried, such as:
  • SS Synchronization Signal
  • PBCH Physical broadcast channel
  • Channel state information reference signal Channel state information reference signal, CSI-RS
  • resource resource corresponding to the CSI-RS signal
  • terminal equipment distinguishes downlink by CSI-RS signal/CSI-RS resource Send beam.
  • the Physical Downlink Control Channel (PDCCH) and the Physical Downlink Shared Channel (PDSCH) can be transmitted through different downlink transmit beams:
  • the terminal equipment does not have an analog beam, and uses an omnidirectional antenna (or a near omnidirectional antenna) to receive the signals sent by the different downlink transmission beams of the network equipment.
  • terminal equipment may have analog beams, and the corresponding downlink receiving beams need to be used to receive the signals sent by the corresponding downlink sending beams.
  • corresponding beam indication information (beam indication) is needed to assist the terminal device in determining the related information of the transmitting beam of the network device, or the related information of the receiving beam corresponding to the terminal device.
  • the beam indication information does not directly indicate the beam itself, but indicates the beam through QCL assumptions between signals.
  • the determination to receive the corresponding channel/signal is also determined based on the QCL assumption.
  • the terminal equipment can use the characteristics of the transmission environment corresponding to the data transmission to improve the receiving algorithm. For example, the statistical characteristics of the channel can be used to optimize the design and parameters of the channel estimator.
  • the description of QCL is as follows: the large-scale parameters of the channel on one antenna port can be derived from the other antenna port, and the two antenna ports are considered to have a QCL relationship.
  • the large-scale parameters include: Doppler delay, average delay , Space receiving parameters, etc.
  • Doppler delay e.g., Doppler delay, average delay, Space receiving parameters, etc.
  • the large-scale parameters of the two SSBs can be inferred from each other, or can be considered to be akin.
  • QCL-Info QCL status information
  • the network device transmits the downlink control channel or data channel through the transmission configuration instruction
  • the (Transmission Configuration Indicator, TCI) state indicates the corresponding QCL state information to the terminal.
  • the TCI status can include the following configurations:
  • TCI status ID used to identify a TCI status
  • a QCL message can contain the following information:
  • QCL type configuration which can be one of QCL type A (type A), QCL type B (typeB), QCL type C (typeC) or QCL type D (typeD);
  • ⁇ QCL reference signal configuration including the serving cell identity (Identity document, ID) where the reference signal is located, the bandwidth part (Bandwidth Part, BWP) BWP ID, and the reference signal identification; where the reference signal identification can be the CSI-RS resource ID Or synchronization signal block (Synchronization Signal Block, SSB) index.
  • SSB can also be called SS/PBCH block.
  • the QCL type of at least one QCL information must be one of QCL typeA, QCL typeB, and QCL typeC, and the QCL type of the other QCL information (if configured) must be QCL type D.
  • ⁇ QCL-TypeA ⁇ Doppler shift, Doppler spread, average delay, delay spread ⁇ ;
  • ⁇ QCL-TypeB ⁇ Doppler frequency shift, Doppler extension ⁇
  • ⁇ QCL-TypeC ⁇ Doppler shift, average delay ⁇
  • ⁇ QCL-TypeD ⁇ Spatial Rx parameter ⁇ .
  • the network device can indicate the corresponding TCI status for the downlink signal or downlink channel.
  • the terminal can assume that the target downlink signal is the same as the The large-scale parameters of the reference SSB or the reference CSI-RS resource are the same, and the large-scale parameters are determined by the QCL type configuration.
  • the terminal device can use the same receiving beam as the reference SSB or reference CSI-RS resource (Ie Spatial Rx parameter) to receive the target downlink signal.
  • the target downlink signal (or target downlink channel) and its reference SSB resource or reference CSI-RS resource are sent by the same TRP or the same panel or the same beam on the network side. If the TRP/panel/beam transmitting the two downlink signals are different, different TCI states are usually configured.
  • a network structure including two TRPs may be as shown in FIG. 3, and the UE communicates with TRP1 and TRP2 through beam 301 and beam 302, respectively.
  • radio resource control Radio Resource Control, RRC
  • RRC signaling or RRC signaling + media access control (Media Access Control, MAC) signaling
  • RRC signaling can be used to indicate the corresponding control resource set (Control Resource Set, CORESET) TCI status.
  • RRC Radio Resource Control
  • MAC Media Access Control
  • the available TCI state set is indicated by RRC signaling, and some of the TCI states are activated by MAC layer signaling.
  • the TCI state indication field in the downlink control information (Downlink control information, DCI) is The activated TCI state indicates that one or two TCI states are used for the PDSCH scheduled by DCI.
  • RRC signaling is used to indicate N candidate TCI states
  • N candidate TCI states constitute a set of available TCI states
  • K candidate TCI states are activated through MAC layer signaling.
  • the situation of the two TCI states is mainly for the similar scenarios of multiple TRPs discussed later.
  • the format of the MAC control element (MAC Control Element, MAC CE) signaling used to activate/deactivate the TCI state in the PDSCH is shown in Figure 5 and includes:
  • BWP indicator field BWP identifier, 2 bits in length, located in byte 1;
  • Serving cell indicator field serving cell identifier, 5 bits in length, located in byte 1;
  • Reserved field reserved bit, the value is set to 0, located in byte 1;
  • TCI status indication domain identifier indicates whether the TCI status with the TCI status identifier Ti is activated. If the TCI status corresponding to the TCI status identifier has been configured, Ti indicates that the TCI status is activated or deactivated; if not configured, the domain Ti is ignored. For example, if Ti is set to 1, the TCI state corresponding to Ti is activated. The maximum number of activated TCI states is 8. In an example, as shown in FIG. 5, Ti includes: bits T 0 in byte 2 to byte N, and T 1 to T( N-2) ⁇ 8+7 .
  • the terminal device detects only one PDCCH, and one DCI detected on the PDCCH indicates relevant indication information of data transmitted simultaneously on multiple TRPs/panel/beams.
  • the terminal device detects different PDCCHs from different TRP/panel/beam, and the DCI detected on each PDCCH indicates a corresponding data transmission related indication information.
  • scheme 1 the terminal device only needs to detect one PDCCH, so the control channel detection complexity may be lower than scheme 2. And scheme 1 needs to be able to quickly exchange information between different panels/TRP/beam.
  • the terminal device needs to detect multiple PDCCHs on the same carrier at the same time, the complexity may increase, but the flexibility and robustness will be improved.
  • Scheme 2 Possible application scenarios include at least:
  • TRPs Multiple TRPs belong to the same cell, and the backhaul between TRPs is ideal (that is, information can be exchanged quickly and dynamically);
  • TRPs belong to the same cell, and the connection between TRPs is non-ideal (that is, TRPs cannot exchange information quickly, and can only exchange data relatively slowly);
  • TRPs belong to different cells, and the connection between TRPs is ideal;
  • TRPs belong to different cells, and the connection between TRPs is not ideal;
  • S2-2 Multiple beams belong to the same cell, and the connection between beams is non-ideal (that is, TRPs cannot exchange information quickly, and can only perform relatively slow data exchange);
  • Scheme 1 is generally considered to be only suitable for ideally connected backhaul scenarios (ie S1-1, S1-3, S2-1, S2-3).
  • CA Carrier Aggregation
  • the above beam indication scheme (including the QCL assumption when receiving at the UE side) mainly considers the situation of multiple TRP/panel/beam single carrier, and does not propose a solution for the multiple TRP/panel/beam multi-carrier scenario.
  • the embodiments of the present invention provide an information processing method.
  • the information processing method of the embodiments of the present invention can be applied to various communication systems, such as LTE systems, LTE Frequency Division Duplex (FDD) systems, and LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS), 5G system or future communication system, etc.
  • LTE systems such as LTE systems, LTE Frequency Division Duplex (FDD) systems, and LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS), 5G system or future communication system, etc.
  • the communication system 500 may include a network device 610, and the network device 610 may be a device that communicates with a terminal device 620 (or called a communication terminal or a terminal).
  • the network device 610 can provide communication coverage for a specific geographic area, and can communicate with terminal devices located in the coverage area.
  • the network device 610 may be an evolved base station (Evolutional Node B, eNB or eNodeB) in an LTE system, a base station (gNB) in an NR/5G system, or a cloud radio access network (Cloud Radio Access Network, CRAN) wireless controller.
  • Evolutional Node B, eNB or eNodeB evolved base station
  • gNB base station
  • CRAN Cloud Radio Access Network
  • the communication system 600 may also include: a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or a mobile switching center, a relay station, an access point, a vehicle-mounted device, a wearable device, a hub, a switch, and a bridge , Routers, network-side equipment in the 5G network, or network equipment in the future evolution of the Public Land Mobile Network (PLMN), etc.
  • CRAN Cloud Radio Access Network
  • PLMN Public Land Mobile Network
  • the communication system 600 further includes at least one terminal device 620 located within the coverage area of the at least one network device 610.
  • the "terminal equipment” used here includes but is not limited to connection via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, and direct cable connection ; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and/or another terminal device that is set to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • WLAN wireless local area networks
  • Digital TV networks such as DVB-H networks
  • satellite networks such as DVB-H networks
  • AM- FM broadcast transmitter AM- FM broadcast transmitter
  • IoT Internet of Things
  • a terminal device set to communicate via a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio telephone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal equipment can refer to an access terminal, UE, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in 5G networks, or terminal devices in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the 5G system or 5G network may also be referred to as NR system or NR network.
  • Figure 6 exemplarily shows one network device and two terminal devices.
  • the communication system 600 may include multiple terminal devices and multiple network devices, and the coverage of each network device may include other numbers. This is not limited in the embodiment of the present invention.
  • the communication system 600 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present invention.
  • the information processing method provided in the embodiment of the present invention is suitable for transmission between a terminal device and a network device.
  • the information processing method provided in the embodiment of the present invention is suitable for transmission between a terminal device and a terminal device.
  • the information processing method, terminal device, and storage medium provided in the embodiments of the present invention can be applied to the case of scheduling CSI-RS.
  • the threshold value corresponding to CSI-RS may be different from the threshold value corresponding to PDSCH.
  • the threshold corresponding to the PDSCH includes the following first threshold and/or second threshold.
  • An optional processing flow of the information processing method provided by the embodiment of the present invention, as shown in FIG. 7, includes the following steps:
  • the terminal device receives the first DCI on the first active bandwidth part BWP of the first CC.
  • the first DCI is transmitted on the resource indicated by the first CORESET corresponding to the first activated BWP, and the first PDSCH scheduled by the first DCI is carried on the second activated BWP of the second CC .
  • the scenarios supported by the terminal device include one of the following: multiple PDCCH scenarios and single PDCCH scenarios.
  • a multi-PDCCH scenario may also be referred to as a multi-DCI scenario, and the DCI carried on different PDCCHs indicates relevant indication information corresponding to TRP/panel/beam data transmission.
  • a single PDCCH scenario may also be referred to as a single DCI scenario.
  • One downlink DCI and/or one uplink DCI carried on one PDCCH indicates related indication information of data simultaneously transmitted on multiple TRPs/panel/beams.
  • the first CORESET belongs to the first CORESET group.
  • the terminal device When a terminal device supports multiple PDCCHs, through the configuration of the CORESET group, the terminal device has different TCIs corresponding to different TRP/panel/beam, and the DCI carried on different PDCCH indicates the relevant indication information corresponding to the data transmission of multiple TRP/panel/beam. Different PDCCH indicates different TRP/panel/beam data transmission.
  • the terminal device when the terminal device supports multiple PDCCHs, in the case of receiving the first DCI, other DCIs are not received.
  • the terminal device supports multiple PDCCHs, in the case of receiving the first DCI, the second DCI is received.
  • all CORESETs corresponding to the first activated BWP belong to the first CORESET group. At this time, it is considered that all CORESETs corresponding to the first activated BWP belong to the same CORESET group.
  • At least one CORESET in the CORESET corresponding to the first activated BWP is configured with a corresponding group index. All CORESETs corresponding to the first activated BWP may be indexed by the configuration group, or part of them may be indexed by the configuration group.
  • the group index corresponding to the CORESET of the configured group index is configured in the RRC configuration parameter; or the group index corresponding to the CORESET of the group index not configured It is the preset group index.
  • the value of the preset group index is different from the value of the configured group index.
  • the first CORESET group includes at least one CORESET.
  • the first CORESET group includes one CORESET.
  • the first CORESET group includes a plurality of CORESETs.
  • the CORESET in the first CORESET group corresponds to the same group index.
  • the first activated BWP corresponds to one or more CORESET groups.
  • the corresponding CORESET group is the first CORESET group.
  • the first activated BWP corresponds to multiple CORESET groups, the first activated BWP corresponds to at least two CORESET groups including the first CORESET group.
  • the group indexes corresponding to different CORESET groups are different.
  • the value of the group index includes: 0 or 1
  • the CORESET whose group index is not configured belongs to a CORESET group.
  • the CORESET corresponding to the first activated BWP includes: CORESET 1, CORESET 2, and CORESET 3.
  • the group index corresponding to CORESET 3, CORESET 2 is configured 1, and CORESET 1 is not configured with group index, then CORESET 1 corresponds to
  • the group index of is the default group index 0, so CORESET 1 can be regarded as belonging to one CORESET group (for example, CORESET group 1), and CORESET 2 and 3 can be regarded as belonging to another CORESET group (for example, CORESET group 2).
  • the first DCI is transmitted on the resource indicated by CORESET1.
  • the group index corresponding to the first CORESET group is an identifier of the first CORESET group.
  • the group index is used to distinguish CORESET belonging to different CORESET groups.
  • different CORESET groups can correspond to different Hybrid Automatic Repeat reQuest (HARQ) and response codebooks (HARQ-ACK codebook).
  • HARQ-ACK codebook Hybrid Automatic Repeat reQuest
  • different group indexes correspond to different HARQ-ACK codebooks.
  • the terminal device receives the second DCI for scheduling the second PDSCH, and the second DCI is transmitted on the resource indicated by CORESET in the second CORESET group.
  • first DCI and the second DCI do not overlap in time.
  • first DCI and the second DCI overlap in time.
  • the first DCI and the second DCI overlap in time, including: complete overlap, overlap, and inclusion.
  • the method further includes: the terminal device determines that the first target transmission configuration indicates the TCI state, and the first target TCI state is used for Receiving the first PDSCH.
  • the first target TCI state is directly used as the TCI state when receiving the first PDSCH, or used to determine the QCL hypothesis when receiving the first PDSCH.
  • the rules for determining the TCI status of the first target include at least one of the following:
  • the first target TCI state includes: the TCI state with the smallest identifier among the active TCI states corresponding to the first group of indexes on the second active BWP.
  • the first CORESET is configured to indicate the first DCI Contains the information elements of the TCI status indication field.
  • the first target TCI state includes: the TCI state indicated by the TCI state indication field carried by the first DCI.
  • Rule A4 When the first CC and the second CC are different CCs, when the carrier indicator field of the first DCI is a non-zero bit, and the first DCI does not carry the TCI status indicator field or the The scheduling time interval of the first DCI is less than or equal to the first threshold, and the first target TCI state includes: the TCI state with the smallest identifier among the activated TCI states corresponding to the second activated BWP uplink and downlink data channel.
  • Rule A5 When the first CC and the second CC are different CCs or when the carrier indicator field of the first DCI is a non-zero bit, and the first DCI does not carry the TCI status indicator field or the The scheduling time interval of the first DCI is less than or equal to a first threshold, and the first target TCI state includes: the first TCI state on the second activated BWP.
  • Rule A6 When the first CC and the second CC are different CCs or when the carrier indicator field of the first DCI is a non-zero bit, and the first DCI does not carry the TCI status indicator field or the The scheduling time interval of the first DCI is less than or equal to a first threshold, and the first target TCI state includes: the TCI state with the smallest identifier among the active TCI states corresponding to the first group of indexes on the second active BWP.
  • the rules for determining the first target TCI state include rule A1 as an example.
  • the terminal receives the first PDSCH according to the TCI state corresponding to the smallest identifier among the active TCI states corresponding to the first group of indexes on the second active BWP.
  • the first group index includes: a group index corresponding to the first CORESET.
  • the group index on the second activated BWP may be configured through RRC, or may be associated with the activated TCI state (TCI state) corresponding to the MAC CE signaling.
  • the rule for determining the state of the first target TCI includes rule A2 as an example.
  • the terminal device determines to receive the first PDSCH according to the TCI state corresponding to the second CORESET.
  • the second CORESET includes: the smallest CORESET identified by the terminal device in the CORESET corresponding to the second group of indexes on the downlink time slot that is recently detected on the first activated BWP.
  • the second group index includes: a group index corresponding to the first CORESET.
  • the rule for determining the state of the first target TCI includes rule A3 as an example.
  • the terminal device does not want the first DCI to not carry the TCI state indication field. Therefore, the first DCI sent by the network device to the terminal device must configure the TCI state indication field. .
  • the information element in the first CORESET that indicates whether the first DCI includes a TCI status indication field is tci-PresentInDCI.
  • the information element tci-PresentInDCI is set to activated (enabled), it means that the first DCI includes a TCI status indication field.
  • the first DCI belongs to the DCI format 1_1 (format 1_1), that is, the terminal device does not want the first DCI format 1_1 to not carry the TCI status indication field.
  • DCI format 1_0 is not used in this multi-PDCCH scenario.
  • the scheduling time interval of the first DCI is equal to or greater than or equal to the first threshold, that is, the terminal device does not want the scheduling time of the first DCI The interval is less than or less than or equal to the first threshold.
  • the terminal device receives the first PDSCH according to the TCI state with the smallest identifier in the activated TCI state corresponding to the second activated BWP uplink and downlink data channel (such as PDSCH).
  • the terminal device adopts joint HARQ-ACK feedback.
  • the terminal device adopts independent HARQ-ACK feedback.
  • the terminal device When the terminal device responds to the HARQ-ACK feedback with a joint hybrid automatic repeat request, there is no overlap between the first DCI and the second DCI on the first activated BWP.
  • the rule for determining the first target TCI state includes rule A5 as an example.
  • the terminal device receives the first PDSCH according to the first TCI state on the second activated BWP.
  • the first TCI state is configured through RRC signaling or MAC CE signaling.
  • the rule for determining the first target TCI state includes rule A6 as an example.
  • the terminal receives the first PDSCH according to the TCI state with the smallest identifier among the activated TCI states corresponding to the first group of indexes on the second activated BWP.
  • the first group index includes: a group index corresponding to the first CORESET.
  • the group index on the second activated BWP may be configured through RRC or associated with the activated TCI state corresponding to the MAC CE signaling.
  • the method for determining the first threshold includes one of the following: network device configuration, pre-regulation, and UE capability reporting.
  • the first threshold is reported by the UE capability, it is reported through the parameter timeDurationForQCL in the UE capability.
  • the relevant capabilities are reported independently for different frequency bands or combinations of frequency bands.
  • the second activated BWP is configured with one or more TCI status groups corresponding to the code points of the TCI status indication field of the DCI in the first activated BWP.
  • the terminal device is configured with codepoints.
  • One codepoint can correspond to multiple TCI states, and data on different TRPs/panel/beams can be received through the same TCI, and multiple TRP scenarios can be supported.
  • At least one TCI state group in the one or more TCI state groups includes at least two TCI states.
  • the code point corresponds to a TCI state group, and the TCI state group includes two TCI states.
  • the code points correspond to two TCI state groups, one TCI state group includes one TCI state, and the other state group includes two TCI states.
  • the code point corresponds to the one or more TCI state groups.
  • one code point corresponds to one TCI state group.
  • the correspondence between the one or more TCI state groups and code points is configured through MAC CE.
  • the method further includes: the terminal device determines a second target TCI state, and the second target TCI state is used to receive the first target TCI state.
  • the terminal device determines a second target TCI state, and the second target TCI state is used to receive the first target TCI state.
  • One PDSCH One PDSCH.
  • the second target TCI state is directly used as the TCI state when receiving the first PDSCH, or used to determine the QCL hypothesis when receiving the first PDSCH.
  • the rules for determining the second target TCI include at least one of the following:
  • Rule B1 When the first CC and the second CC are the same CC or the carrier indicator field of the first DCI is 0 bits, and the first DCI does not carry the TCI status indicator field or the first
  • the scheduling time interval of the DCI is less than or equal to a second threshold, and the second target TCI state includes: the TCI state corresponding to the second CORESET.
  • Rule B2 When the first CC and the second CC are the same CC or the carrier indicator field of the first DCI is 0 bits, and the first DCI does not carry the TCI status indicator field or the first
  • the scheduling time interval of the DCI is less than or equal to the second threshold, and the second target TCI state includes: one or more TCIs corresponding to the smallest code point or the largest code point in the DCI on the first active BWP that supports the TCI domain status.
  • Rule B3 When the first CC and the second CC are different CCs or the carrier indicator field of the first DCI is a non-zero bit, the configuration in the first CORESET indicates that the first DCI includes The TCI status indicates the information element of the domain.
  • Rule B4 When the first CC and the second CC are different CCs or the carrier indicator field of the first DCI is a non-zero bit, and the first DCI does not carry the TCI status indicator field or the The scheduling time interval of the first DCI is less than or less than or equal to the second threshold, and the second target TCI state includes: the TCI state with the smallest identifier among the activated TCI states corresponding to the downlink data channel in the second activated BWP.
  • Rule B5 When the first CC and the second CC bits are different CCs or the carrier indicator field of the first DCI is a non-zero bit, the first DCI does not carry the TCI status indicator field or the first DCI
  • the scheduling time interval of a DCI is less than or equal to a second threshold, and the second target TCI state includes: the first TCI state on the second activated BWP.
  • Rule B6 When the first CC and the second CC are the same CC or the carrier indicator field of the first DCI is 0 bits, and the first DCI does not carry the TCI status indicator field or the first
  • the scheduling time interval of the DCI is less than or equal to the second threshold, and the second target TCI state includes: one or more TCIs corresponding to the smallest code point or the largest code point in the DCI on the first active BWP that supports the TCI domain status.
  • the rule for determining the second target TCI state is B1, and the terminal device receives the first PDSCH according to the TCI state corresponding to the second CORESET.
  • the second CORESET includes: the terminal device identifies the smallest CORESET among the CORESETs on the downlink timeslots most recently detected on the first activated BWP.
  • the rule for determining the second target TCI state is B2 as an example.
  • the terminal device receives the first TCI state according to one or more TCI states corresponding to the minimum code point or the maximum code point in the DCI on the first active BWP that supports TCI.
  • One PDSCH One PDSCH.
  • the rule for determining the state of the second target TCI is B3.
  • the terminal device does not want the first DCI to not carry the TCI state indication field. Therefore, the TCI state indication field must be configured in the first DCI sent by the network device to the terminal device.
  • the information element in the first CORESET that indicates whether the first DCI includes a TCI status indication field is tci-PresentInDCI.
  • the information element tci-PresentInDCI is set to activated (enabled), it means that the first DCI includes a TCI status indication field.
  • the first DCI belongs to the DCI format 1_1 (format 1_1), that is, the terminal device does not want the first DCI format 1_1 to not carry the TCI status indication field.
  • DCI format 1_0 is not used in this multi-PDCCH scenario.
  • the scheduling time interval of the first DCI is equal to or greater than or equal to the second threshold, that is, the terminal device does not want the scheduling time of the first DCI The interval is less than or less than or equal to the second threshold.
  • the rule for determining the second target TCI state is B4.
  • the terminal device receives the first PDSCH according to the TCI state with the smallest identifier among the activated TCI states corresponding to the second activated BWP uplink and downlink data channels (such as PDSCH).
  • the rule for determining the second target TCI state is B5, and the terminal device receives the first PDSCH according to the first TCI state on the second activated BWP.
  • the first TCI state is configured through RRC signaling or MAC CE signaling.
  • the rule for determining the second target TCI state is B6, and the terminal device receives the first PDSCH according to the first TCI state group activated on the second activated BWP.
  • the first TCI state group includes: the first or last TCI state group in which the TCI state with the smallest identifier is located among the TCI states activated on the second activated BWP.
  • the first TCI state group includes: a TCI state group corresponding to a minimum code point or a maximum code point.
  • the method for determining the second threshold includes one of the following: network device configuration, pre-regulation, and UE capability reporting.
  • the second threshold is reported by the UE capability, it is reported through the parameter timeDurationForQCL in the UE capability.
  • the relevant capabilities are reported independently for different frequency bands or combinations of frequency bands.
  • the terminal device feeds back HARQ information through the HARQ response codebook corresponding to the first PDSCH according to the detection situation of the first PDSCH.
  • the information processing method provided in the embodiment of the present invention provides a scheme for UE to receive PDSCH for downlink transmission of multiple TRP/panel/beam. Further, for the case where the scheduling interval is less than the threshold, or the DCI does not carry the TCI status indication field, a solution for the UE to receive the PDSCH is provided.
  • the terminal device receives the first DCI on the first active BWP on the first CC, the first DCI is transmitted on the resource indicated by the first CORESET in the first CORESET group, and the first PDSCH scheduled by the first DCI is in the second CC is received on the second active BWP. among them,
  • the first and second CC work in a frequency band higher than 6 GHz, or the second CC works in a millimeter wave frequency band.
  • the group index of all CORESETs is the default group index, and the default group index is a fixed value (for example, 0 or 1).
  • At least one CORESET on the first activated BWP is configured with a corresponding group index.
  • the group index is configured in the RRC configuration parameter of CORESET (for example, the RRC parameter ControlResourceSet), and the group index of different CORESET configurations can be the same or different.
  • CORESET configured with the same index can be referred to as a CORESET group.
  • CORESET with a group index of 0 is a CORESET group
  • CORESET with a group index of 1 is another CORESET group.
  • the value of the group index is 0 or 1.
  • the first CORESET group includes one or more CORESETs, and the CORESETs in the first CORESET group all correspond to the same group index.
  • the network device configures the terminal device with multiple CORESET groups including the first CORESET group, so that it can support multiple TRP/panel/beam scenarios; and distinguish different groups through different group indexes
  • the CORESET group can reduce the number of bits required in the indication field of the DCI.
  • CORESETs in different CORESET groups are associated with different group indexes, and all CORESETs in the same CORESET group are associated with the same group index.
  • All CORESETs that have not configured a group index belong to a CORESET group.
  • the group index of the CORESET is the default group index, and the default group index is a fixed value (for example, 0 or 1).
  • CORESET in different CORESET groups are all configured in the same PDCCH-config signaling.
  • the number of CORESET is less than or equal to 5.
  • the terminal equipment can report whether it can support multiple CORESET groups through the UE capability.
  • the UE capability report is reported independently by frequency band, for example, some frequency bands or frequency band combinations support, and some frequency bands or frequency band combinations do not support.
  • each CORESET in the first CORESET group is associated with the same group index, so that the group index is used to distinguish the CORESET belonging to different CORESET groups, and the signaling is relatively simple.
  • the group index corresponding to the CORESET group is the ID of the CORESET group, so that the ID of the CORESET group is introduced, and the signaling is further simplified.
  • the identity of the CORESET group is configured by RRC signaling or MAC CE signaling.
  • different CORESET groups can correspond to different HARQ-ACK codebooks, so that HARQ-ACKs corresponding to scheduling data of different CORESET groups can be independently transmitted, effectively supporting non-ideal backhaul scenarios.
  • the group index corresponds to the HARQ-ACK codebook, that is, different group indexes correspond to different HARQ-ACK codebooks, and each independent HARQ-ACK codebook is identified by the group index.
  • the terminal device detects the second DCI for scheduling the second PDSCH, and the second DCI is transmitted on a resource indicated by a certain CORESET in the second CORESET group, so as to support simultaneous transmission of multiple downlink data channels and increase the data rate.
  • the second DCI and the first DCI schedule their respective corresponding PDSCHs.
  • the first DCI and the second DCI overlap in time.
  • the manner of determining the TCI status corresponding to the first PDSCH is different:
  • the terminal device determines to receive the TCI state corresponding to the first PDSCH according to the TCI state with the smallest identifier among the active TCI states corresponding to the first group index on the second active BWP, or determines to receive the first PDSCH.
  • the QCL assumption in PDSCH can distinguish different TRPs for the second CC, increase flexibility and improve system performance.
  • the first group index is a group index corresponding to the first CORESET carrying the first DCI.
  • the group index on the second activated BWP may be configured through RRC, or MAC CE signaling may be associated with the corresponding activated TCI state.
  • the terminal determines the TCI state corresponding to the first PDSCH according to the TCI state corresponding to the second CORESET, or determines the QCL hypothesis when receiving the first PDSCH.
  • the second CORESET is the CORESET with the smallest identifier among the CORESETs corresponding to the second group of indexes on the downlink timeslots recently detected on the first activated BWP, and the second group of indexes is the group corresponding to the first CORESET. index.
  • the configuration signaling in the first CORESET that transmits the first DCI indicates that the corresponding first DCI contains the TCI status indicator field, that is, the terminal device does not want the first DCI to not carry the TCI status indicator field, thereby restricting the network Configure the situation, reduce the number of possible situations, and reduce the complexity of UE and network implementation.
  • the parameter tci-PresentInDCI in the first CORESET used to indicate whether the DCI contains a field indicating PDSCH beam information is set to: enabled to indicate that the DCI contains a TCI state indicating field indicating PDSCH beam information.
  • the first DCI belongs to DCI format 1_1.
  • the terminal device does not want the first DCI format 1_1 not to carry the TCI status indication field, or the DCI format 1_0 is not applicable to this multi-PDCCH scenario.
  • the TCI indication field (Transmission Configuration Indication) in the first DCI indicates the first TCI status indication information.
  • the scheduling interval of the first DCI (time offset between the reception of the DL DCI and the corresponding PDSCH) is greater than or equal to the first threshold, that is, the terminal device does not want the first
  • the DCI scheduling time interval is less than or less than or equal to the first threshold, thereby limiting the network configuration, reducing the number of possible situations, and reducing the complexity of UE and network implementation.
  • the terminal device when the terminal device receives the first PDSCH, it will be activated according to the corresponding activated PDSCH on the second activated BWP.
  • the TCI state with the smallest identifier in the TCI state determines the TCI state corresponding to the reception of the first PDSCH, or determines the QCL assumption when receiving the first PDSCH, so that different TRPs are not distinguished for the second CC, which simplifies the implementation of the network and the terminal.
  • the terminal device determines according to the first TCI status on the second active BWP when receiving the first PDSCH Receive the TCI state corresponding to the first PDSCH, or determine the QCL hypothesis when receiving the first PDSCH.
  • the first TCI state is RRC signaling or MAC CE signaling configuration, so that the network can flexibly control the adoption, and improve system flexibility.
  • the terminal device receives the first PDSCH, it corresponds to the first group index on the second active BWP
  • the TCI state with the smallest identifier in the activated TCI state determines the TCI state corresponding to the reception of the first PDSCH, or determines the QCL hypothesis when receiving the first PDSCH, thereby distinguishing different TRPs for the second CC, increasing flexibility and improving system performance.
  • the first group index is a group index corresponding to the first CORESET carrying the first DCI.
  • the group index on the second activated BWP can be configured through RRC or associated with the activated TCI state corresponding to the MAC CE signaling
  • the terminal device when receiving the first PDSCH, determines the TCI state corresponding to the first PDSCH according to the TCI state with the most identification among the activated TCI states corresponding to the PDSCH on the second activated BWP, or determines the TCI state corresponding to the first PDSCH, or determines the state when receiving the first PDSCH QCL assumption, so that different TRPs are not distinguished for the second CC, simplifying the implementation of the network and the terminal;
  • the first DCI and the second DCI cannot overlap in time, thereby restricting network scheduling and simplifying the implementation of the network and the terminal.
  • the terminal device when the terminal device receives the first PDSCH, it determines to receive the TCI state corresponding to the first PDSCH according to the TCI state with the smallest identifier among the active TCI states corresponding to the first group index on the second active BWP, or when it determines to receive the first PDSCH The QCL hypothesis.
  • the first group index is a group index corresponding to the first CORESET carrying the first DCI.
  • the group index on the second activated BWP may be configured through RRC, or MAC CE signaling may be associated with the corresponding activated TCI state.
  • only the first DCI can be transmitted, that is, there is no second DCI transmission, which degenerates to use in a single TRP scenario, thereby simplifying network and terminal implementation complexity.
  • the terminal device when the terminal device receives the first PDSCH, the TCI state with the smallest identifier among the activated TCI states corresponding to the PDSCH on the second activated BWP is used as the TCI state corresponding to the first PDSCH, or the TCI state when it determines to receive the first PDSCH QCL hypothesis, so that different TRPs are not distinguished for the second CC, simplifying the implementation of the network and the terminal.
  • the first threshold is network configuration, or protocol regulation, or UE capability reporting.
  • the first threshold is reported through the parameter timeDurationForQCL, so that it is convenient to support terminals with different capabilities;
  • the terminal device feeds back HARQ related information through the HARQ-ACK codebook corresponding to the first PDSCH according to the detection of the first PDSCH.
  • the terminal device receives the first DCI on the first activated BWP of the first carrier CC, the first DCI is transmitted on the resource indicated by the first CORESET, and the first PDSCH scheduled by the first DCI is on the second activated BWP of the second carrier CC receive. among them,
  • the first and second CC work in a frequency band higher than 6 GHz, or at least the second CC works in the millimeter wave frequency band.
  • the network device configures multiple TCI state groups corresponding to the TCI state indication field codepoint in the DCI for the second activated BWP, so that one codepoint can correspond to multiple TCI states, so that it can support multiple TRP scenarios and improve system performance.
  • the DCI here does not necessarily refer to the first DCI, and may also be other DCIs on the first activated BWP.
  • each TCI state group contains one or more TCI states, and at least one TCI state group contains two or more TCI states.
  • a codepoint corresponds to a TCI state group. The correspondence between codepoint and TCI status is configured through MAC CE signaling.
  • the manner of determining the TCI status corresponding to the first PDSCH is different:
  • the terminal device determines the TCI state corresponding to the first PDSCH according to the TCI state corresponding to the second CORESET, or determines the QCL hypothesis when receiving the first PDSCH.
  • the second CORESET is the CORESET with the smallest ID among the CORESETs on the downlink time slot that the terminal device has recently detected on the first activated BWP.
  • the terminal device determines the TCI state corresponding to the first PDSCH according to the first TCI state, or determines the QCL hypothesis when receiving the first PDSCH.
  • the first TCI state is one or more TCI states corresponding to the minimum or maximum codepoint of the corresponding domain (domain supporting TCI) in the DCI on the first activated BWP of the terminal
  • the configuration signaling in the first CORESET that transmits the first DCI indicates that the corresponding first DCI contains the TCI status indicator field, that is, the terminal device does not want the first DCI to not carry the TCI status indicator field, thereby restricting the network Configure the situation, reduce the number of possible situations, and reduce the complexity of UE and network implementation.
  • the parameter tci-PresentInDCI in the first CORESET used to indicate whether the DCI contains a field indicating PDSCH beam information is set to: enabled to indicate that the DCI contains a TCI state indicating field indicating PDSCH beam information.
  • the first DCI belongs to DCI format 1_1.
  • the terminal device does not want the first DCI format 1_1 to not carry the TCI status indication field, or the DCI format 1_0 is not suitable for this scenario.
  • the TCI indication field (Transmission Configuration Indication) in the first DCI indicates the first TCI status indication information.
  • the scheduling interval of the first DCI (time offset between the reception of the DL DCI and the corresponding PDSCH) is greater than or equal to the first threshold, that is, the terminal device does not want the first
  • the DCI scheduling time interval is less than or less than or equal to the first threshold, thereby limiting the network configuration, reducing the number of possible situations, and reducing the complexity of UE and network implementation.
  • the terminal device when the terminal device receives the first PDSCH, it will activate the TCI according to the corresponding PDSCH on the second activated BWP.
  • the TCI state with the smallest identifier in the state determines the TCI state corresponding to receiving the first PDSCH, or determines the QCL hypothesis when receiving the first PDSCH, so that different TRPs are not distinguished for the second CC, which simplifies the implementation of the network and the terminal.
  • the terminal device receives the first PDSCH, it is based on the first TCI status on the second activated BWP Determine the TCI state corresponding to receiving the first PDSCH, or determine the QCL hypothesis when receiving the first PDSCH, so that the network can flexibly control the adoption and improve the system flexibility.
  • the first TCI state is RRC signaling or MAC CE signaling configuration.
  • the terminal device when the terminal device receives the first PDSCH, it will be based on the first TCI activated on the second activated BWP.
  • the state group determines the TCI state corresponding to receiving the first PDSCH, or determines the QCL hypothesis when receiving the first PDSCH, thereby distinguishing different TRPs for the second CC, increasing flexibility and improving system performance.
  • the first TCI state group is the first or last TCI state group in which the TCI state with the smallest identifier is located among the TCI states activated on the second activated BWP.
  • the first TCI state group is a TCI state group corresponding to the smallest codepoint or the largest codepoint.
  • the first threshold is network configuration, or protocol regulation, or UE capability reporting.
  • the first threshold is reported through the parameter timeDurationForQCL, so that it is convenient to support terminals with different capabilities;
  • the terminal device feeds back HARQ related information through the corresponding HARQ-ACK codebook according to the detection situation of the first PDSCH scheduled by the first DCI.
  • an embodiment of the present invention also provides a terminal device.
  • the composition structure of the terminal device is shown in FIG. 8, and the terminal device 800 includes:
  • the receiving unit 801 is configured to receive first downlink control information DCI on the first active bandwidth part BWP of the first component carrier CC, where the first DCI indicates the first control resource set CORESET corresponding to the first active BWP
  • the first physical downlink shared channel PDSCH scheduled by the first DCI is carried on the second activated BWP of the second CC.
  • the first CORESET belongs to the first CORESET group.
  • the terminal device further includes:
  • the first determining unit is configured to determine a first target transmission configuration indication TCI state, and the first target TCI state is used to receive the first PDSCH.
  • the first target TCI state includes:
  • the first group of indexes includes:
  • the group index corresponding to the first CORESET is the group index corresponding to the first CORESET.
  • the first target TCI state includes:
  • the second CORESET includes:
  • the terminal device identifies the smallest CORESET among the CORESETs corresponding to the second group of indexes on the downlink timeslots that are most recently detected on the first activated BWP.
  • the second set of indexes includes:
  • the group index corresponding to the first CORESET is the group index corresponding to the first CORESET.
  • the first CORESET is configured to indicate the The first DCI contains information elements of the TCI status indication field.
  • the first target TCI state includes:
  • the TCI status indicated by the TCI status indication field carried by the first DCI is the TCI status indicated by the TCI status indication field carried by the first DCI.
  • the scheduling time interval of the first DCI is equal to or greater than or equal to the first threshold.
  • the first target TCI state when the first CC and the second CC are different CCs, when the carrier indicator field of the first DCI is a non-zero bit, and the first DCI does not carry the TCI status indicator field Or the scheduling time interval of the first DCI is less than or equal to a first threshold, and the first target TCI state includes:
  • the terminal device responds to the HARQ-ACK feedback by adopting a joint hybrid automatic repeat request.
  • the terminal equipment adopts independent HARQ-ACK feedback.
  • the first CC and the second CC are different CCs or when the carrier indicator field of the first DCI is a non-zero bit, and the first DCI does not carry a TCI status indicator
  • the scheduling time interval of the domain or the first DCI is less than or equal to a first threshold, and the first target TCI state includes:
  • the first TCI state is configured through radio resource control RRC signaling or media access control unit MAC CE signaling.
  • the first CC and the second CC are different CCs or when the carrier indicator field of the first DCI is a non-zero bit, and the first DCI does not carry a TCI status indicator
  • the scheduling time interval of the domain or the first DCI is less than or equal to a first threshold, and the first target TCI state includes:
  • the first group index is the group index corresponding to the first CORESET.
  • the terminal equipment adopts independent HARQ-ACK feedback.
  • the method for determining the first threshold includes one of the following:
  • At least one CORESET in the CORESET corresponding to the first activated BWP is configured with a corresponding group index.
  • the group index corresponding to CORESET of the configured group index is configured in the RRC configuration parameter;
  • the group index corresponding to CORESET for which the group index is not configured is a preset group index.
  • the first CORESET group includes at least one CORESET.
  • the CORESET in the first CORESET group corresponds to the same group index.
  • the first activated BWP corresponds to at least two CORESET groups including the first CORESET group.
  • the group indexes corresponding to different CORESET groups are different.
  • the value of the group index includes: 0 or 1.
  • the CORESET that is not configured with a group index belongs to a CORESET group.
  • the group index corresponding to the first CORESET group is the identifier of the first CORESET group.
  • the terminal device reports whether the terminal device can support at least two CORESET groups through the user equipment UE capability.
  • the second activated BWP is configured with one or more TCI status groups corresponding to the code points of the TCI status indication field of the DCI in the first activated BWP.
  • the terminal device further includes:
  • the second determining unit is configured to determine a second target TCI state, where the second target TCI state is used to receive the first PDSCH.
  • the first CC and the second CC are the same CC or the carrier indicator field of the first DCI is 0 bits, and the first DCI does not carry the TCI status indicator field or the
  • the scheduling time interval of the first DCI is less than or equal to a second threshold, and the second target TCI state includes:
  • the TCI state corresponding to the second CORESET is the TCI state corresponding to the second CORESET.
  • the second CORESET includes:
  • the terminal device identifies the smallest CORESET among the CORESETs on the downlink timeslots recently detected on the first activated BWP.
  • the first CC and the second CC are the same CC or the carrier indicator field of the first DCI is 0 bits, and the first DCI does not carry the TCI status indicator field or the
  • the scheduling time interval of the first DCI is less than or equal to a second threshold, and the second target TCI state includes:
  • the configuration in the first CORESET indicates that the first The DCI contains information elements of the TCI status indication field.
  • the second target TCI state includes:
  • the TCI status indicated by the TCI status indication field carried by the first DCI is the TCI status indicated by the TCI status indication field carried by the first DCI.
  • the scheduling time interval of the first DCI is equal to or greater than or equal to the second threshold.
  • the first CC and the second CC bits are different CCs or the carrier indicator field of the first DCI is a non-zero bit, and the first DCI does not carry the TCI status indicator field Or the scheduling time interval of the first DCI is less than or less than or equal to the second threshold, and the second target TCI state includes:
  • the first DCI when the first CC and the second CC are different CCs or the carrier indicator field of the first DCI is a non-zero bit, the first DCI does not carry the TCI status indicator field or
  • the scheduling time interval of the first DCI is less than or equal to a second threshold, and the second target TCI state includes:
  • the first TCI state is configured through RRC signaling or MAC CE signaling.
  • the first DCI when the first CC and the second CC are different CCs or when the carrier indicator field of the first DCI is a non-zero bit, the first DCI does not carry the TCI status indicator field Or the scheduling time interval of the first DCI is less than or equal to a second threshold, and the second target TCI state includes:
  • One or more TCI states in the first TCI state group activated on the second activated BWP.
  • the first TCI state group includes:
  • the first TCI state group includes:
  • the TCI state group corresponding to the minimum code point or the maximum code point.
  • the method for determining the second threshold includes one of the following:
  • At least one TCI state group in the one or more TCI state groups includes at least two TCI states.
  • the code point corresponds to the one or more TCI state groups.
  • the one or more TCI state groups are configured through MAC CE.
  • the terminal device feeds back HARQ information through a response codebook corresponding to the first PDSCH according to the detection situation of the first PDSCH.
  • An embodiment of the present invention also provides a terminal device, including a processor and a memory for storing a computer program that can run on the processor, where the processor is used to execute the above-mentioned terminal device when the computer program is running. Information processing method steps.
  • the electronic device 900 includes: at least one processor 901, a memory 902, and at least one network interface 904.
  • the various components in the electronic device 900 are coupled together through the bus system 905. It can be understood that the bus system 905 is used to implement connection and communication between these components.
  • the bus system 905 also includes a power bus, a control bus, and a status signal bus. However, for the sake of clarity, various buses are marked as the bus system 905 in FIG. 9.
  • the memory 902 may be a volatile memory or a non-volatile memory, and may also include both volatile and non-volatile memory.
  • non-volatile memory can be ROM, Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), and electrically erasable Programmable read-only memory (EEPROM, Electrically Erasable Programmable Read-Only Memory), magnetic random access memory (FRAM, ferromagnetic random access memory), flash memory (Flash Memory), magnetic surface memory, optical disk, or CD-ROM (CD) -ROM, Compact Disc Read-Only Memory); Magnetic surface memory can be disk storage or tape storage.
  • the volatile memory may be a random access memory (RAM, Random Access Memory), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • SSRAM synchronous static random access memory
  • Synchronous Static Random Access Memory Synchronous Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • SDRAM Synchronous Dynamic Random Access Memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • SLDRAM synchronous connection dynamic random access memory
  • DRRAM Direct Rambus Random Access Memory
  • the memory 902 described in the embodiment of the present invention is intended to include, but is not limited to, these and any other suitable types of memory.
  • the memory 902 in the embodiment of the present invention is used to store various types of data to support the operation of the electronic device 900.
  • Examples of such data include: any computer program used to operate on the electronic device 900, such as an application program 9021.
  • the program for implementing the method of the embodiment of the present invention may be included in the application 9021.
  • the method disclosed in the foregoing embodiment of the present invention may be applied to the processor 901 or implemented by the processor 901.
  • the processor 901 may be an integrated circuit chip with signal processing capability. In the implementation process, the steps of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 901 or instructions in the form of software.
  • the aforementioned processor 901 may be a general-purpose processor, a digital signal processor (DSP, Digital Signal Processor), or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and the like.
  • the processor 901 may implement or execute various methods, steps, and logical block diagrams disclosed in the embodiments of the present invention.
  • the general-purpose processor may be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present invention may be directly embodied as being executed and completed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a storage medium.
  • the storage medium is located in the memory 902.
  • the processor 901 reads the information in the memory 902, and completes the steps of the foregoing method in combination with its hardware.
  • the electronic device 900 may be used by one or more application specific integrated circuits (ASIC, Application Specific Integrated Circuit), DSP, programmable logic device (PLD, Programmable Logic Device), and complex programmable logic device (CPLD). , Complex Programmable Logic Device), FPGA, general-purpose processor, controller, MCU, MPU, or other electronic components to implement the foregoing method.
  • ASIC Application Specific Integrated Circuit
  • DSP digital signal processor
  • PLD programmable logic device
  • CPLD complex programmable logic device
  • FPGA field-programmable Logic Device
  • controller MCU
  • MPU or other electronic components to implement the foregoing method.
  • the embodiment of the present invention also provides a storage medium for storing computer programs.
  • the storage medium can be applied to the terminal device in the embodiment of the present invention, and the computer program causes the computer to execute the corresponding process in each method of the embodiment of the present invention.
  • the computer program causes the computer to execute the corresponding process in each method of the embodiment of the present invention.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
  • the instructions provide steps for implementing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

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Abstract

本发明实施例提供一种信息处理方法,包括:终端设备在第一成员载波CC的第一激活带宽部分BWP上接收第一下行控制信息DCI,所述第一DCI在所述第一激活BWP对应的第一控制资源集合CORESET指示的资源上传输,所述第一DCI调度的第一物理下行共享信道PDSCH承载在第二CC的第二激活BWP上。本发明还公开了一种终端设备及存储介质。

Description

信息处理方法、终端设备及存储介质 技术领域
本发明涉及移动通信技术,尤其涉及一种信息处理方法、终端设备及存储介质。
背景技术
新无线(New Radio,NR)/5G系统的设计目标包括高频段(例如6G赫兹(Hz)以上的频段)的大带宽通信。当工作频率变高时,传输过程中的路径损耗会增大,从而影响高频系统的覆盖能力。能够有效地保证高频段NR系统的覆盖的一种有效的技术方案是基于大规模天线阵列(Massive Multiple-Input Multiple-Output,Massive MIMO)采用多路波束(multiple beam)技术来提高覆盖能力。其中,multiple beam技术也可称为混合波束(hybrid beam)技术。
目前的多路波束技术主要应用于单载波的场景,并未涉及多载波场景。因此,多载波场景下的多路波束技术的应用成为待解决的问题。
发明内容
本发明实施例提供一种信息处理方法、终端设备及存储介质,能够实现多载波情况下多路波束技术的应用。
第一方面,本发明实施例提供一种信息处理方法,包括:
终端设备在第一成员载波CC的第一激活带宽部分BWP上接收第一下行控制信息DCI,所述第一DCI在所述第一激活BWP对应的第一控制资源集合CORESET指示的资源上传输,所述第一DCI调度的第一物理下行共享信道PDSCH承载在第二CC的第二激活BWP上。
第二方面,本发明实施例提供一种终端设备,包括:
接收单元,配置为在第一成员载波CC的第一激活带宽部分BWP上接收第一下行控制信息DCI,所述第一DCI在所述第一激活BWP对应的第一控制资源集合CORESET指示的资源上传输,所述第一DCI调度的第一物理下行共享信道PDSCH承载在第二CC的第二激活BWP上。
第三方面,本发明实施例提供一种终端设备,包括处理器和用于存储能够在处理器上运行的计算机程序的存储器,其中,所述处理器用于运行所述计算机程序时,执行上述终端设备执行的信息处理方法的步骤。
第四方面,本发明实施例提供一种存储介质,存储有可执行程序,所述可执行程序被处理器执行时,实现上述终端设备执行的信息处理方法。
本发明实施例提供的信息处理方法,包括:在第一成员载波CC的第一激活带宽部分BWP上接收第一下行控制信息DCI,所述第一DCI在所述第一激活BWP对应的第一控制资源集合CORESET指示的资源上传输,所述第一DCI调度的第一物理下行共享信道PDSCH承载在第二CC的第二激活BWP上;从而实现多载波情况下多路波束技术的应用。
附图说明
图1为本发明实施例单波束系统的一种可选的结构示意图;
图2为本发明实施例多波束系统的一种可选的结构示意图;
图3为本发明实施例多TRP系统的一种可选的结构示意图;
图4为本发明实施例确定TCI状态的一种可选的流程示意图;
图5为本发明实施例MAC CE的一种可选的信令格式示意图;
图6为本发明实施例通信系统的一种可选的组成结构示意图;
图7为本发明实施例信息处理方法的一种可选的处理流程示意图;
图8为本发明实施的终端设备的一个可选的结构示意图;
图9是本发明实施例提供的电子设备的一个可选的结构示意图。
具体实施方式
为了能够更加详尽地了解本发明实施例的特点和技术内容,下面结合附图对本发明实施例的实现进行详细阐述,所附附图仅供参考说明之用,并非用来限定本发明实施例。
在对本发明实施例提供的信息处理方法进行详细说明之前,先对多波束系统、准共址(Quasi-co-location,QCL)、多发送接收节点(transmit-receive point,TRP)/板(panel)/波束(beam)传输进行说明。
多波束系统
NR/5G中采用多路波束技术的多波束(Multi-beam)系统在下行链路(downlink)中把发射功率集中在一个较窄的波束(beam)来覆盖小区中的部分区域,从而达到增强整个系统的覆盖范围。
传统网络部署(例如,3G、4G/长期演进(Long Term Evolution,LTE))使用一个波束(在传统系统中,不需要额外提波束整个概念,因为只有一个)来覆盖整个小区。在一示例中,如图1中,网络使用一个相对宽的波束:波束101覆盖整个小区,可以同时为小区中的终端设备:用户设备(User Equipment,UE)1、UE2、UE3、UE4和UE5服务。因此在每个时刻,小区覆盖范围内终端设备都有机会获得系统分配的传输资源。
NR中使用相对较窄的多路波束,因此,可以把能量集中,从而使得离小区较远的终端设备也可以获得良好的接收性能。
多波束系统通过时间上的波束扫描(beam sweeping)来实现覆盖整个小区的效果,即不同时刻使用不同的波束来覆盖不同的区域,每个波束覆盖一个较小的范围,通过时间上的扫描来实现多个波束覆盖整个小区的效果。在一示例中,如图2所示,多波束系统在不同时刻使用4个不同的波束:波束201、波束202、波束203和波束204分别覆盖不同的区域,其中,波束201在时刻1在时刻1覆盖UE1对应的区域、波束202在时刻2覆盖UE对应的区域、波束203在时刻3覆盖UE3和UE4对应的区域,波束204在在时刻4覆盖UE5对应的区域。小区中的终端设备只有当某个时刻某个波束正好覆盖到其对应的区域,其才能和网络设备进行通信,比如,在时刻3,系统使用波束3覆盖UE3和UE 4,UE3和UE 4能够与通信设备通信。
在上述描述中,对下行采用多个发送波束(transmit beam)的情况进行了介绍,同样地,终端设备也可以使用多个发送波束进行上行发送,原理类似,这里不再赘述。
波束是在日常讨论中使用的术语,在实际协议中,波束这个词往往不可见,不同的波束是通过所承载的不同信号来进行识别或者指示的,例如:
● 不同的波束上传输不同的同步信号(Synchronization Signal,SS)/物理广播信道(Physical broadcast channel,PBCH)块(block);终端设备可以通过不同的SS/PBCH block来区分下行发送波束。
● 不同的波束上传输不同的信道状态信息参考信号(Channel state information reference signal,CSI-RS)资源(resource)对应的CSI-RS信号;终端设备通过CSI-RS信号/CSI-RS资源来区分下行发送波束。
在一个多波束系统中,物理下行控制信道(Physical Downlink Control Channel,PDCCH)和物理下行共享信道(Physical Downlink Shared Channel,PDSCH)可以通过不同的下行发送波束来传输:
· 对于工作频段在6GHz以下的系统,终端设备没有模拟波束,采用全向天线(或者接近全向的天线)来接收网络设备的不同下行发送波束发送的信号。
· 对于毫米波系统,终端设备可能会有模拟波束,需要使用对应的下行接收波束去接收对应的下行发送波束发送的信号。此时,需要相应的波束指示信息(beam indication)来协助终端设备确定网络设备的发送波束的相关信息,或者终端设备对应的接收波束的相关信息。
在协议中,波束指示信息不是直接指示波束本身,而是通过信号之间的QCL假设来指示波束。在终端设备侧,确定接收相应的信道/信号,也是基于QCL假设来确定。
QCL
终端设备在进行信号的接收时,为了提高接收性能,可以利用数据传输所对应的传输环境的特性来改进接收算法。例如可以利用信道的统计特性来优化信道估计器的设计和参数。
关于QCL的说明如下:一个天线端口上的信道的大尺度参数可以从另一个天线端口推导出,则认为这两个天线端口具有QCL关系,大尺度参数包括:多普勒时延、平均时延、空间接收参数等。也就 是说,当两个SSB具有QCL关系的时候,可以认为这两个SSB的大尺度参数(如多普勒时延、平均延迟、空间接收参数等)是可以相互推断的,或者可以认为是类似的。
在NR系统中,数据传输所对应的信道的统计特性通过QCL状态信息(QCL-Info)来表示。
下行传输如果来自不同的TRP/panel/beam,则数据传输所对应的传输环境的特性可能也会有变化,因此在NR系统中,网络设备在传输下行控制信道或数据信道,会通过传输配置指示(Transmission Configuration Indicator,TCI)状态将对应的QCL状态信息指示给终端。
TCI状态可以包含如下配置:
· TCI状态ID,用于标识一个TCI状态;
· QCL信息1;
· QCL信息2(可选)。
其中,一个QCL信息可以包含如下信息:
· QCL类型配置,可以是QCL类型A(type A)、QCL类型B(typeB)、QCL类型C(typeC)或QCL类型D(typeD)中的一个;
· QCL参考信号配置,包括参考信号所在的服务小区标识(Identity document,ID),带宽部分(Bandwidth Part,BWP)BWP ID以及参考信号的标识;其中,参考信号的标识可以是CSI-RS资源ID或同步信号块(Synchronization Signal Block,SSB)索引。SSB也可称为SS/PBCH block。
如果QCL信息1和QCL信息2都配置了,至少一个QCL信息的QCL类型必须为QCL typeA、QCL typeB和QCL typeC中的一个,另一个QCL信息(如果配置)的QCL类型必须为QCL type D。
其中,不同QCL类型配置的定义如下:
·QCL-TypeA:{多普勒频移(Doppler shift),多普勒扩展(Doppler spread),平均延迟(average delay),延迟扩展(delay spread)};
· QCL-TypeB:{多普勒频移,多普勒扩展};
· QCL-TypeC:{多普勒频移,平均延迟};
· QCL-TypeD:{空间接收参数(Spatial Rx parameter)}。
在NR系统中,网络设备可以为下行信号或下行信道指示相应的TCI状态。
如果网络设备通过TCI状态配置目标下行信号的QCL参考信号为参考SSB或参考CSI-RS资源,且QCL类型配置为QCL typeA、QCL typeB或QCL typeC,则终端可以假设所述目标下行信号与所述参考SSB或参考CSI-RS资源的大尺度参数是相同的,所述大尺度参数通过QCL类型配置来确定。
如果网络设备通过TCI状态配置目标下行信号的QCL参考信号为参考SSB或参考CSI-RS资源,且QCL类型配置为QCLtypeD,则终端设备可以采用与接收参考SSB或参考CSI-RS资源相同的接收波束(即Spatial Rx parameter),来接收目标下行信号。
通常的,目标下行信号(或目标下行信道)与其的参考SSB资源或参考CSI-RS资源在网络侧由同一个TRP或同一个panel或相同的beam来发送。如果传输两个下行信号的TRP/panel/beam不同,通常会配置不同的TCI状态。在一示例中,包括两个TRP的网络结构可如图3所示,UE通过波束301和波束302分别与TRP1和TRP2进行通信。
对于下行控制信道,可以通过无线资源控制(Radio Resource Control,RRC)信令或者RRC信令+媒体接入控制(Media Access Control,MAC)信令的方式来指示对应控制资源集合(Control Resource Set,CORESET)的TCI状态。
对于下行数据信道,可用的TCI状态集合通过RRC信令来指示,并通过MAC层信令来激活其中的部分TCI状态,最后通过下行控制信息(Downlink control information,DCI)中的TCI状态指示域从激活的TCI状态中指示一个或两个TCI状态用于DCI调度的PDSCH。在一示例中,如图4所示,通过RRC信令来指示N个候选的TCI状态,N个候选的TCI状态构成可用的TCI状态集合,通过MAC层信令来激活K个候选的TCI状态,得到K个激活的TCI状态,并通过DCI从激活的TCI状态中指示一个或两个TCI状态TCI状态,作为使用的TCI状态,以用于DCI调度的PDSCH。
2个TCI状态的情况主要是针对后面讨论的多个TRP类似的场景。
PDSCH中用于激活/去激活TCI状态的MAC控制单元(MAC Control Element,MAC CE)信令的格式如图5所示,包括:
BWP指示域:BWP标识,长度为2比特,位于字节1中;
服务小区指示域:服务小区标识,长度为5比特,位于字节1中;
保留域:保留比特,取值设为0,位于字节1中;
TCI状态指示域标识:指示TCI状态标识为Ti的TCI状态是否被激活,如果TCI状态标识对应的TCI状态已经配置,则Ti指示此TCI状态激活或者去激活;如果没有配置,则忽略域Ti。例如,如果 Ti设为1,则Ti对应的TCI状态激活。最大激活的TCI状态数目为8。在一示例中,如图5所示,Ti包括:字节2至字节N中的比特T 0、T 1至T( N-2)×8+7
多TRP/panel/beam传输
在NR/5G中,多个TRP或者多个panel(即天线板Antenna panels)或者多个beam同时给终端设备传输下行数据的方案支持下面两钟方案:
方案1、基于单PDCCH(single-PDCCH)
终端设备只检测一个PDCCH,在PDCCH检测得到的一个DCI指示多个TRP/panel/beam上同时传输的数据的相关指示信息。
方案2、基于多PDCCH(multiple-PDCCH)
终端设备检测来自不同的TRP/panel/beam上的不同的PDCCH,每个PDCCH上检测得到的DCI指示一个对应的数据传输的相关指示信息。
对于方案1,终端设备只需要检测一个PDCCH,因此控制信道检测复杂度可能会低于方案2。并且方案1需要在不同的panel/TRP/beam之间能够快速交互信息。
对于方案2,终端设备需要在同一个载波上同时去检测多个PDCCH,复杂度可能会有所增加,但是灵活性和鲁棒性会得到改善。
其中,方案2的可能应用场景至少包括:
S1-1:多个TRP属于同一个小区,TRP之间的连接(backhaul)是理想的(即可以快速进行信息交互,动态信息交互);
S1-2:多个TRP属于同一个小区,TRP之间的连接是非理想的(即TRP之间无法快速交互信息,只能进行相对较慢的数据交互);
S1-3:多个TRP属于不同的小区,TRP之间的连接是理想的;
S1-4:多个TRP属于不同的小区,TRP之间的连接是非理想的;
S2-1:多个beam属于同一个小区,beam之间的连接是理想的;
S2-2:多个beam属于同一个小区,beam之间的连接是非理想的(即TRP之间无法快速交互信息,只能进行相对较慢的数据交互);
S2-3:多个beam属于不同的小区,beam之间的连接是理想的;
S2-4:多个beam属于不同的小区,beam之间的连接是非理想的。
方案1一般认为只适用于理想连接的backhaul的场景(即S1-1、S1-3、S2-1、S2-3)。
为了满足高速率业务的需求,系统可支持载波聚合(Carrier Aggregation,CA)技术。CA技术是通过联合调度和使用多个成员载波(Component Carrier,CC)上的资源,使得系统可以支持更大的带宽,从而能够实现更高的系统峰值速率。
其中,上述波束指示方案(包括UE侧接收时的QCL假设)主要考虑多TRP/panel/beam单载波的情况,并未针对多TRP/panel/beam多载波场景提出解决方案。
基于上述问题,本发明实施例提供一种信息处理方法,本发明实施例的信息处理方法可以应用于各种通信系统,例如LTE系统、LTE频分双工(Frequency Division Duplex,FDD)系统、LTE时分双工(Time Division Duplex,TDD)、通用移动通信系统(Universal Mobile Telecommunication System,UMTS)、5G系统或未来的通信系统等。
示例性的,本发明实施例应用的通信系统600,如图6所示。该通信系统500可以包括网络设备610,网络设备610可以是与终端设备620(或称为通信终端、终端)通信的设备。网络设备610可以为特定的地理区域提供通信覆盖,并且可以与位于该覆盖区域内的终端设备进行通信。可选地,该网络设备610可以是LTE系统中的演进型基站(Evolutional Node B,eNB或eNodeB),还可以是NR/5G系统中的基站(gNB),或者是云无线接入网络(Cloud Radio Access Network,CRAN)中的无线控制器。
通信系统600还可包括:云无线接入网络(Cloud Radio Access Network,CRAN)中的无线控制器,或者移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器、5G网络中的网络侧设备或者未来演进的公共陆地移动网络(Public Land Mobile Network,PLMN)中的网络设备等。
该通信系统600还包括位于至少一个网络设备610覆盖范围内的至少一个终端设备620。作为在此使用的“终端设备”包括但不限于经由有线线路连接,如经由公共交换电话网络(Public Switched Telephone Networks,PSTN)、数字用户线路(Digital Subscriber Line,DSL)、数字电缆、直接电缆连接;和/或另一数据连接/网络;和/或经由无线接口,如,针对蜂窝网络、无线局域网(Wireless Local Area Network,WLAN)、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器;和/或另一终端设备的被设置成接收/发送通信信号的装置;和/或物联网(Internet of Things,IoT)设备。被设置成 通过无线接口通信的终端设备可以被称为“无线通信终端”、“无线终端”或“移动终端”。移动终端的示例包括但不限于卫星或蜂窝电话;可以组合蜂窝无线电电话与数据处理、传真以及数据通信能力的个人通信系统(Personal Communications System,PCS)终端;可以包括无线电电话、寻呼机、因特网/内联网接入、Web浏览器、记事簿、日历以及/或全球定位系统(Global Positioning System,GPS)接收器的PDA;以及常规膝上型和/或掌上型接收器或包括无线电电话收发器的其它电子装置。终端设备可以指接入终端、UE、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字处理(Personal Digital Assistant,PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、5G网络中的终端设备或者未来演进的PLMN中的终端设备等。
可选地,5G系统或5G网络还可以称为NR系统或NR网络。
图6示例性地示出了一个网络设备和两个终端设备,可选地,该通信系统600可以包括多个终端设备以及多个网络设备,并且每个网络设备的覆盖范围内可以包括其它数量的终端设备,本发明实施例对此不做限定。
可选地,该通信系统600还可以包括网络控制器、移动管理实体等其他网络实体,本发明实施例对此不作限定。
可选地,本发明实施例提供的信息处理方法适用于终端设备与网络设备之间的传输。
可选地,本发明实施例提供的信息处理方法适用于终端设备与终端设备之间的传输。
需要说明的是,本发明实施例提供的信息处理方法、终端设备和存储介质可以适用用于调度CSI-RS的情况。其中,CSI-RS对应的门限值可以与PDSCH对应的门限值不同。PDSCH对应的门限值包括下述的第一门限和/或第二门限。
本发明实施例提供的信息处理方法的一种可选处理流程,如图7所示,包括以下步骤:
S701、终端设备在第一CC的第一激活带宽部分BWP上接收第一DCI。
本发明实施例中,所述第一DCI在所述第一激活BWP对应的第一CORESET指示的资源上传输,所述第一DCI调度的第一PDSCH承载在第二CC的第二激活BWP上。
终端设备支持的场景包括以下之一:多PDCCH场景和单PDCCH场景。
本发明实施例中,多PDCCH场景也可称为多DCI场景,不同PDCCH上承载的DCI指示对应TRP/panel/beam的数据传输的相关指示信息。单PDCCH场景也可称为单DCI场景,一个PDCCH上承载的一个下行DCI和/或一个上行DCI指示多个TRP/panel/beam上同时传输的数据的相关指示信息。
以终端设备支持的场景为多PDCCH场景为例,所述第一CORESET属于第一CORESET组。
当终端设备支持多PDCCH,终端设备通过CORESET组的配置,对应不同TRP/panel/beam的TCI不同,不同PDCCH上承载的DCI指示对应多TRP/panel/beam的数据传输的相关指示信息,从而通过不同的PDCCH指示不同TRP/panel/beam的数据传输。
可选地,当终端设备支持多PDCCH,在接收第一DCI的情况下,并未接收其他的DCI。当终端设备支持多PDCCH,在接收第一DCI的情况下,接收第二DCI。
可选地,当所述第一激活BWP对应的CORESET未被配置组索引,所述第一激活BWP对应的所有的CORESET属于所述第一CORESET组。此时,认为第一激活BWP对应的所有的CORESET都属于同一个CORESET组。
可选地,所述第一激活BWP对应的CORESET中的至少一个CORESET被配置对应的组索引。第一激活BWP对应的所有CORESET可都被配置组索引,也可部分被配置组索引。
以第一激活BWP对应的CORESET中部分CORESET被配置对应的组索引为例,被配置组索引的CORESET对应的组索引被配置在RRC配置参数中;或者未被配置组索引的CORESET对应的组索引为预先设定的组索引。可选地,预先设定的组索引的区域与配置的组索引的取值不同。
可选地,所述第一CORESET组包括至少一个CORESET。在一示例中,第一CORESET组包括一个CORESET。在一示例中,第一CORESET组包括多个CORESET。
可选地,所述第一CORESET组中的CORESET对应相同的组索引。
本发明实施例中,第一激活BWP对应一个或多个CORESET组。可选地,当第一激活BWP对应一个CORESET组,对应的CORESET组为第一CORESET组。可选地,当第一激活BWP对应多个CORESET组,第一激活BWP对应包括所述第一CORESET组在内的至少两个CORESET组。
当第一激活BWP对应多个CORESET组,不同CORESET组对应的组索引不同。可选地,所述组索引的取值包括:0或1,
当第一激活BWP对应的部分CORESET被配置组索引,所述第一激活BWP对应的CORESET中,未被配置组索引的CORESET属于一个CORESET组。
本发明实施例中,第一激活BWP对应的CORESET包括:CORESET 1、CORESET 2和CORESET 3,CORESET 3、CORESET 2对应的组索引为配置的1,CORESET 1未被配置组索引,则CORESET 1对应的组索引为默认的组索引0,因此CORESET 1可以认为属于一个CORESET组(例如CORESET组1),CORESET 2和3可以认为属于另一个CORESET组(例如CORESET组2)。其中,第一DCI在CORESET1指示的资源上传输。
可选地,所述第一CORESET组对应的组索引为所述第一CORESET组的标识。这里,通过组索引来区分CORESET分属于不同的CORESET组。
当第一激活BWP对应多个CORESET组,不同的CORESET组可以与不同的混合自动重传请求(Hybrid Automatic Repeat reQuest,HARQ),响应码本(HARQ-ACK codebook)相对应。可选地,不同的组索引对应不同的HARQ-ACK codebook。
可选地,终端设备接收调度第二PDSCH的第二DCI,第二DCI在第二CORESET组中的CORESET指示的资源上传输。
可选地,第一DCI和第二DCI在时间上不重叠。可选地,第一DCI和第二DCI在时间上有重叠。第一DCI和第二DCI在时间上有重叠包括:完全重叠、交叠和包含。
以终端设备支持的DCI场景为多PDCCH场景为例,本发明实施例中,在S701之后,还包括:所述终端设备确定第一目标传输配置指示TCI状态,所述第一目标TCI状态用于接收所述第一PDSCH。
第一目标TCI状态直接作为接收第一PDSCH时的TCI状态,或用于确定接收第一PDSCH时的QCL假设。
确定第一目标TCI状态的规则包括以下至少之一:
规则A1、当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或小于等于第一门限,所述第一目标TCI状态包括:所述第二激活BWP上第一组索引对应的激活TCI状态中标识最小的TCI状态。
规则A2、当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:第二CORESET对应的TCI状态。
规则A3、当所述第一CC和所述第二CC位为不同的CC或所述第一DCI的载波指示域为非零比特,所述第一CORESET中被配置有指示所述第一DCI中包含TCI状态指示域的信息元素。此时,所述第一目标TCI状态包括:所述第一DCI携带的TCI状态指示域指示的TCI状态。
规则A4、当所述第一CC和所述第二CC位为不同的CC当所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:所述第二激活BWP上下行数据信道对应的激活TCI状态中标识最小的TCI状态。
规则A5、当所述第一CC和所述第二CC位为不同的CC或者当所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:所述第二激活BWP上的第一TCI状态。
规则A6、当所述第一CC和所述第二CC位为不同的CC或者当所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:所述第二激活BWP上第一组索引对应的激活TCI状态中标识最小的TCI状态。
以确定第一目标TCI状态的规则包括规则A1为例,所述终端根据第二激活BWP上第一组索引对应的激活TCI状态中最小标识对应的TCI状态来接收第一PDSCH。
可选地,所述第一组索引包括:所述第一CORESET对应的组索引。
可选地,第二激活BWP上的组索引可以通过RRC配置,或者与MAC CE信令对应的激活TCI状态(TCI state)关联。
以确定第一目标TCI状态的规则包括规则A2为例,终端设备根据第二CORESET对应的TCI状态来确定接收第一PDSCH。
可选地,所述第二CORESET包括:所述终端设备在所述第一激活BWP上最近检测的下行时隙上的对应第二组索引的CORESET中标识最小的CORESET。
可选地,所述第二组索引包括:所述第一CORESET对应的组索引。
以确定第一目标TCI状态的规则包括规则A3为例,终端设备不希望第一DCI中不携带TCI状态指示域,因此,网络设备向终端设备发送的第一DCI中,须配置TCI状态指示域。
可选地,所述第一CORESET中指示所述第一DCI中是否包含TCI状态指示域的信息元素为tci-PresentInDCI。当信息元素tci-PresentInDCI设置为激活(enabled),表征所述第一DCI中包含TCI状态指示域。
可选地,第一DCI属于DCI格式1_1(format 1_1),也就是说,终端设备不希望第一DCI format 1_1中不携带TCI状态指示域。
可选地,DCI format 1_0不用于这种多PDCCH场景。
本发明实施例中,当确定第一目标TCI状态的规则包括规则A3,所述第一DCI的调度时间间隔等于或者大于等于第一门限,也就是说,终端设备不希望第一DCI的调度时间间隔小于或者小于等于第一门限。
以确定第一目标TCI的规则包括规则A4为例,终端设备根据第二激活BWP上下行数据信道(如PDSCH)对应的激活TCI state中标识最小的TCI状态来接收第一PDSCH。
可选地,所述终端设备采用联合HARQ-ACK反馈。可选地,所述终端设备采用独立HARQ-ACK反馈。
当所述终端设备采用联合混合自动重传请求响应HARQ-ACK反馈,所述第一DCI和所述第一激活BWP上的第二DCI不存在重叠。
以确定第一目标TCI状态的规则包括规则A5为例,终端设备根据第二激活BWP上的第一TCI状态来接收第一PDSCH。
可选地,所述第一TCI状态通过RRC信令或者MAC CE信令配置。
以确定第一目标TCI状态的规则包括规则A6为例,所述终端根据第二激活BWP上第一组索引对应的激活TCI state中标识最小的TCI state来接收第一PDSCH。
可选地,所述第一组索引包括:所述第一CORESET对应的组索引。
可选地,第二激活BWP上的组索引可以通过RRC配置,或者与MAC CE信令对应的激活TCI state关联。
本发明实施例中,所述第一门限的确定方式包括以下之一:网络设备配置、预先规定和UE能力上报。
可选地,当第一门限由UE能力上报,通过UE能力中的参数timeDurationForQCL上报。
可选地,当第一门限由UE能力上报,针对不同的频带或者频带组合独立上报相关能力。
以终端设备支持的场景为单PDCCH场景为例,所述第二激活BWP被配置有与所述第一激活BWP中DCI的TCI状态指示域的代码点对应的一个或多个TCI状态组。
终端设备通过代码点(codepoint)的配置,1个codepoint可以对应多个TCI状态,可以通过同一TCI对不同TRP/panel/beam上的数据进行接收,则可以支持多TRP场景。
可选地,所述一个或多个TCI状态组中至少一个TCI状态组包括至少两个TCI状态。在一示例中,所述代码点对应一个TCI状态组,该TCI状态组中包括两个TCI状态。在一示例中,所述代码点对应两个TCI状态组,一个TCI状态组包括一个TCI状态,另一个状态组包括连个TCI状态。
可选地,所述代码点与所述一个或多个TCI状态组对应。在一示例中,一个代码点对应一个TCI状态组。
可选地,所述一个或多个TCI状态组与代码点的对应关系通过MAC CE配置。
以终端设备支持的场景为单PDCCH场景为例,本发明实施例中,在S701之后,还包括:所述终端设备确定第二目标TCI状态,所述第二目标TCI状态用于接收所述第一PDSCH。
第二目标TCI状态直接作为接收第一PDSCH时的TCI状态,或用于确定接收第一PDSCH时的QCL假设。
确定第二目标TCI的规则包括以下至少之一:
规则B1、当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:所述第二CORESET对应的TCI状态。
规则B2、当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:所述第一激活BWP上的DCI中支持TCI的域中最小代码点或最大代码点对应的一个或多个TCI状态。
规则B3、当所述第一CC和所述第二CC位为不同的CC或者所述第一DCI的载波指示域为非零比特,所述第一CORESET中配置指示所述第一DCI中包含TCI状态指示域的信息元素。
规则B4、当所述第一CC和所述第二CC位为不同的CC或者所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或小于等于第二门限,所述第二目标TCI状态包括:所述第二激活BWP中下行数据信道对应的激活TCI状态中标识最小的TCI状态。
规则B5、当所述第一CC和所述第二CC位为不同的CC或者所述第一DCI的载波指示域为非零比特,所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:所述第二激活BWP上的第一TCI状态。
规则B6、当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:所述第一激活BWP上的DCI中支持TCI的域中最小代码点或最大代码点对应的一个或多个TCI状态。
以确定第二目标TCI状态的规则为B1为例,终端设备根据第二CORESET对应的TCI状态来接收第一PDSCH。
可选地,所述第二CORESET包括:所述终端设备在所述第一激活BWP上最近检测的下行时隙上的CORESET中标识最小的CORESET。
以确定第二目标TCI状态的规则为B2为例,终端设备根据在第一激活BWP上DCI中支持TCI的域中代码点最小值或代码点最大值对应的一个或多个TCI状态来接收第一PDSCH。
以确定第二目标TCI状态的规则为B3为例,终端设备不希望第一DCI中不携带TCI状态指示域,因此,网络设备向终端设备发送的第一DCI中,须配置TCI状态指示域。
可选地,所述第一CORESET中指示所述第一DCI中是否包含TCI状态指示域的信息元素为tci-PresentInDCI。当信息元素tci-PresentInDCI设置为激活(enabled),表征所述第一DCI中包含TCI状态指示域。
可选地,第一DCI属于DCI格式1_1(format 1_1),也就是说,终端设备不希望第一DCI format 1_1中不携带TCI状态指示域。
可选地,DCI format 1_0不用于这种多PDCCH场景。
本发明实施例中,当确定第二目标TCI状态的规则包括规则A3,所述第一DCI的调度时间间隔等于或者大于等于第二门限,也就是说,终端设备不希望第一DCI的调度时间间隔小于或者小于等于第二门限。
以确定第二目标TCI状态的规则为B4为例,终端设备根据第二激活BWP上下行数据信道(如PDSCH)对应的激活的TCI state中标识最小的TCI状态来接收第一PDSCH。
以确定第二目标TCI状态的规则为B5为例,终端设备据第二激活BWP上的第一TCI状态来接收第一PDSCH。
可选地,所述第一TCI状态通过RRC信令或者MAC CE信令配置。
以确定第二目标TCI状态的规则为B6为例,终端设备根据根据第二激活BWP上激活的第一TCI状态组来接收第一PDSCH。
可选地,所述第一TCI状态组包括:所述第二激活BWP上激活的TCI状态中标识最小的TCI状态所在的第一个或者最后一个TCI状态组。
可选地,所述第一TCI状态组为包括:最小代码点或者最大代码点对应的TCI状态组。
本发明实施例中,所述第二门限的确定方式包括以下之一:网络设备配置、预先规定和UE能力上报。
可选地,当第二门限由UE能力上报,通过UE能力中的参数timeDurationForQCL上报。
可选地,当第二门限由UE能力上报,针对不同的频带或者频带组合独立上报相关能力。
本发明实施例中,所述终端设备根据所述第一PDSCH的检测情况,通过所述第一PDSCH对应的HARQ响应码本反馈HARQ信息。
本发明实施例提供的信息处理方法,针对多TRP/panel/beam的下行传输,提供UE接收PDSCH的方案。进一步地,针对调度间隔小于门限,或者DCI不携带TCI状态指示域的情况,提供UE接收PDSCH的方案。
下面,通过不同的实例对本发明实施例提供的信息处理方法进行举例说明。
实例一、多PDCCH场景
终端设备在第一CC上的第一激活BWP上接收第一DCI,第一DCI在第一CORESET组中的第一CORESET指示的资源上传输,所述第一DCI调度的第一PDSCH在第二CC的第二激活BWP上接收。其中,
第一、第二CC工作在高于6GHz的频段上,或者第二CC工作在毫米波频段。
第二、当第一激活BWP上的所有的CORESET均未配置组索引,所有的CORESET属于一个CORESET组即第一CORESET组。
可选地,当第一激活BWP上的所有的CORESET均未配置组索引,所有的CORESET的组索引为默认组索引,且默认组索引为一个固定值(例如0或者1)。
第三、第一激活BWP上的至少一个CORESET被配置对应的组索引。
可选地,组索引配置在CORESET的RRC配置参数中(例如RRC参数ControlResourceSet),不同的CORESET配置的组索引可以相同,也可以不同。在一示例中,配置相同索引的CORESET可以称为一个CORESET组,例如,组索引取值为0的CORESET为一个CORESET组,组索引取值为1的CORESET为另一个CORESET组。
可选地,组索引的取值为0或1。
第四、第一CORESET组包含1个或多个CORESET,且第一CORESET组中的CORESET都对应相同的组索引。
第五、针对第一激活BWP,网络设备配置所述终端设备包含第一CORESET组在内的多个CORESET组,使得能够支持多TRP/panel/beam的场景;并且通过不同的组索引区分不同的CORESET组,可以在降低DCI的指示域中所需比特数目。
多个CORESET组包括以下特性中的至少一个:
1)、不同的CORESET组对应同一个BWP。
2)、不同的CORESET组中的CORESET与不同的组索引相关联,同一个CORESET组中的所有CORESET与同一个组索引相关联。
3)、未配置组索引的所有CORESET属于一个CORESET组。可选地,如果第一激活BWP上的CORESET存在未被配置组索引的CORESET,该CORESET的组索引为默认组索引,且默认组索引为一个固定值(例如0或者1)。
4)、不同CORESET组中的CORESET都在同一个PDCCH-config信令中配置。可选的,CORESET的数目小于或等于5。
5)、终端设备通过UE能力上报能否支持多个CORESET组。
可选地,UE能力上报分频段独立上报,例如,有些频段或者频段组合支持,有些频段或者频段组合不支持。
第六、第一CORESET组中的每个CORESET都和同一个组索引相关联,从而通过组索引来区分CORESET分属于不同的CORESET组,信令相对简单。
可选地,CORESET组对应的组索引是该CORESET组的标识,从而引入CORESET组的标识,信令进一步简化。
可选地,CORESET组的标识由RRC信令或MAC CE信令配置。
第七、不同的CORESET组可以与不同的HARQ-ACK码本(codebook)相对应,使得不同CORESET组的调度数据对应的HARQ-ACK可以独立传输,有效支持非理想backhaul场景。
可选地,组索引和HARQ-ACK codebook相对应,即不同的组索引对应不同的HARQ-ACK codebook,其中,通过组索引识别各独立的HARQ-ACK codebook。
第八、终端设备检测调度第二PDSCH的第二DCI,第二DCI在第二CORESET组中的某个CORESET指示的资源上传输,从而能够支持同时多个下行数据信道传输,提高数据速率。
可选地,第二DCI和第一DCI调度各自对应的PDSCH。
可选的,第一DCI和第二DCI在时间上有重叠。
在本实例中,基于第一CC和第二CC是否为同一CC,确定接收第一PDSCH对应的TCI状态的方式不同:
当第一CC和第二CC是同一个CC(或第一DCI中载波指示(Carrier indicator)域为0比特),第一DCI不携带TCI状态指示域或者第一DCI的调度时间间隔小于或小于等于第一门限,终端设备在接收第一PDSCH时,根据第二激活BWP上第一组索引对应的激活TCI状态中标识最小的TCI state确定接收第一PDSCH对应的TCI state,或者确定接收第一PDSCH时的QCL假设,从而针对第二CC区分不同的TRP,增加灵活性,提高系统性能。
可选地,第一组索引为承载第一DCI的第一CORESET对应的组索引。
可选地,第二激活BWP上的组索引可以通过RRC配置,或者MAC CE信令与对应的激活TCI state关联。
当第一CC和第二CC是同一个CC(或第一DCI中Carrier indicator域为0比特),如果第一DCI不携带TCI状态指示域或者第一DCI的调度时间间隔小于或小于等于第一门限,终端在接收第一PDSCH时,根据第二CORESET对应的TCI状态来确定接收第一PDSCH对应的TCI state,或者确定接收第一PDSCH时的QCL假设。
可选地,第二CORESET为终端设备在第一激活BWP上最近检测的下行时隙上的对应第二组索引的CORESET中标识最小的CORESET,所述第二组索引是第一CORESET对应的组索引。
当第一CC和第二CC是两个不同的CC(或第一DCI中载波指示域为3比特):
第一、传输第一DCI的第一CORESET中配置信令指示对应的第一DCI中包含TCI状态指示域,也就是说,终端设备不希望第一DCI中不携带TCI状态指示域,从而限制网络配置情况,减少可能情况的数目,降低UE和网络实现复杂度。
可选地,第一CORESET中的用于指示DCI中是否包含指示PDSCH波束信息的域的参数tci-PresentInDCI设置为:enabled,以指示DCI中包含指示PDSCH波束信息的TCI状态指示域。
可选地,第一DCI属于DCI format 1_1。此时,终端设备不希望第一DCI format 1_1中不携带TCI状态指示域,或者DCI format 1_0不适用于这种多PDCCH场景。
可选地,第一DCI中的TCI指示域(Transmission Configuration Indication):指示第一TCI状态指示信息。
第二、在第一的基础上,第一DCI的调度时间间隔(time offset between the reception of the DL DCI and the corresponding PDSCH)大于或者大于等于第一门限,也就是说,终端设备不希望第一DCI的调度时间间隔小于或者小于等于第一门限,从而限制网络配置情况,减少可能情况的数目,降低UE和网络实现复杂度。
第三、如果第一DCI不携带TCI状态指示域,或者第一DCI的调度时间间隔小于或小于等于第一门限,终端设备在接收第一PDSCH时,根据第二激活BWP上PDSCH对应的激活的TCI state中标识最小的TCI state确定接收第一PDSCH对应的TCI state,或者确定接收第一PDSCH时的QCL假设,从而针对第二CC不区分不同的TRP,简化网络和终端的实现。
第四、如果第一DCI不携带TCI状态指示域或者第一DCI的调度时间间隔小于或小于等于第一门限,终端设备在接收第一PDSCH时,根据第二激活BWP上的第一TCI状态确定接收第一PDSCH对应的TCI state,或者确定接收第一PDSCH时的QCL假设。
可选地,第一TCI状态为RRC信令或者MAC CE信令配置,从而能够由网络来灵活控制采用,提高系统灵活性。
第五、如果第一DCI不携带TCI状态指示域,或者第一DCI的调度时间间隔小于或小于等于第一门限,终端设备在接收第一PDSCH时,根据第二激活BWP上第一组索引对应的激活TCI state中标识最小的TCI state确定接收第一PDSCH对应的TCI state,或者确定接收第一PDSCH时的QCL假设,从而针对第二CC区分不同的TRP,增加灵活性,提高系统性能。
可选地,第一组索引为承载第一DCI的第一CORESET对应的组索引。
可选地,第二激活BWP上的组索引可以通过RRC配置,或者与MAC CE信令对应的激活TCI state关联
第六、如果第一DCI不携带TCI状态指示域,或者第一DCI的调度时间间隔小于或小于等于第一门限,分两种情况分别处理:
情况一、若网络设备配置终端设备采用联合HARQ-ACK反馈(Joint HARQ-ACK feedback):
可选地,终端设备在接收第一PDSCH时,根据第二激活BWP上PDSCH对应的激活的TCI state中标识最的TCI state确定接收第一PDSCH对应的TCI state,或者确定接收第一PDSCH时的QCL假设,从而针对第二CC不区分不同的TRP,简化网络和终端的实现;
可选地,第一DCI和第二DCI在时间上不能有交叠,从而限制网络调度,简化网络和终端的实现。
情况二、若网络设备配置终端设备采用独立HARQ-ACK反馈(separate HARQ-ACK feedback),
可选地,终端设备接收第一PDSCH时,根据第二激活BWP上第一组索引对应的激活TCI state中标识最小的TCI state确定接收第一PDSCH对应的TCI state,或者确定接收第一PDSCH时的QCL假设。
可选地,第一组索引为承载第一DCI的第一CORESET对应的组索引。
可选地,第二激活BWP上的组索引可以通过RRC配置,或者MAC CE信令与对应的激活TCI state关联。
可选地,只有第一DCI可以传输,也就是说,不存在第二DCI传输,退化为单TRP场景使用,从而简化网络和终端实现复杂度。
可选地,终端设备在接收第一PDSCH时,根据第二激活BWP上PDSCH对应的激活的TCI state中标识最小的TCI state作为接收第一PDSCH对应的TCI state,或者确定接收第一PDSCH时的QCL假设,从而针对第二CC不区分不同的TRP,简化网络和终端的实现。
在本实例中,第一门限是网络配置,或者协议规定,或者UE能力上报。
在第一门限时UE能力上报的情况下,
可选地,第一门限通过参数timeDurationForQCL来上报,从而便于支持不同能力的终端;
可选地,,针对不同的频带或者频带组合独立上报相关能力。
在本实例中,终端设备根据第一PDSCH检测情况,通过第一PDSCH对应的HARQ-ACK codebook反馈HARQ相关信息。
实例二、单PDCCH场景
终端设备在第一载波CC的第一激活BWP上接收第一DCI,第一DCI在第一CORESET指示的资源上传输,第一DCI调度的第一PDSCH在第二载波CC的第二激活BWP上接收。其中,
第一、第二CC工作在高于6GHz的频段上,或者至少第二CC工作在毫米波频段。
第二、网络设备针对第二激活BWP配置了与DCI中TCI状态指示域codepoint对应的多个TCI状态组,使得一个codepoint可以对应多个TCI状态,从而能够可以支持多TRP场景,提高系统性能。其中,这里的DCI不一定指第一DCI,也可以是第一激活BWP上的其他DCI。
这里,每个TCI状态组含有1个或多个TCI状态,其中至少一个TCI state组中含有2个或2个以上的TCI状态。一个codepoint对应一个TCI状态组。codepoint与TCI状态的对应关系通过MAC CE信令配置。
在本实例中,基于第一CC和第二CC是否为同一CC,确定接收第一PDSCH对应的TCI状态的方式不同:
当第一CC和第二CC是同一个CC(或第一DCI中Carrier indicator域为0比特),第一DCI不携带TCI状态指示域,或者第一DCI的调度时间间隔小于或小于等于第一门限,终端设备在接收第一PDSCH时,根据第二CORESET对应的TCI状态确定接收第一PDSCH对应的TCI state,或者确定接收第一PDSCH时的QCL假设。
可选地,第二CORESET为终端设备在第一激活BWP上最近检测的下行时隙上的CORESET中ID最小的CORESET。
当第一CC和第二CC是同一个CC或第一DCI中载波指示域为0比特,如果第一DCI不携带TCI状态指示域或者第一DCI的调度时间间隔小于或小于等于第一门限,终端设备在接收所述第一PDSCH时,根据第一TCI状态来确定接收第一PDSCH对应的TCI state,或者确定接收第一PDSCH时的QCL假设。
可选地,所述第一TCI状态为所述终端在所述第一激活BWP上DCI中对应域(支持TCI的域)codepoint最小或最大值对应的一个或多个TCI状态
当第一CC和第二CC是两个不同的CC(或者当第一DCI中Carrier indicator域为3比特):
第一、传输第一DCI的第一CORESET中配置信令指示对应的第一DCI中包含TCI状态指示域,也就是说,终端设备不希望第一DCI中不携带TCI状态指示域,从而限制网络配置情况,减少可能情况的数目,降低UE和网络实现复杂度。
可选地,第一CORESET中的用于指示DCI中是否包含指示PDSCH波束信息的域的参数tci-PresentInDCI设置为:enabled,以指示DCI中包含指示PDSCH波束信息的TCI状态指示域。
可选地,第一DCI属于DCI format 1_1。此时,终端设备不希望第一DCI format 1_1中不携带TCI状态指示域,或者DCI format 1_0不适用于这种场景。
可选地,第一DCI中的TCI指示域(Transmission Configuration Indication):指示第一TCI状态指示信息。
第二、在第一的基础上,第一DCI的调度时间间隔(time offset between the reception of the DL DCI and the corresponding PDSCH)大于或者大于等于第一门限,也就是说,终端设备不希望第一DCI的调度时间间隔小于或者小于等于第一门限,从而限制网络配置情况,减少可能情况的数目,降低UE和网络实现复杂度。
第三、如果第一DCI不携带TCI状态指示域,或者第一DCI的调度时间间隔小于或小于等于第一门限,终端设备在接收第一PDSCH时,根据第二激活BWP上PDSCH对应的激活TCI state中标识最小的TCI state确定接收第一PDSCH对应的TCI state,或者确定接收第一PDSCH时的QCL假设,从 而针对第二CC不区分不同的TRP,简化网络和终端的实现。
第四、如果第一DCI不携带TCI状态指示域,或者第一DCI的调度时间间隔小于或小于等于第一门限,终端设备在接收第一PDSCH时,根据第二激活BWP上的第一TCI状态确定接收第一PDSCH对应的TCI state,或者确定接收第一PDSCH时的QCL假设,从而可以有网络来灵活控制采用,提高系统灵活性。
可选地,第一TCI状态为RRC信令或者MAC CE信令配置。
第五、如果第一DCI不携带TCI状态指示域,或者第一DCI的调度时间间隔小于或小于等于第一门限,终端设备在接收第一PDSCH时,根据第二激活BWP上激活的第一TCI状态组来确定接收第一PDSCH对应的TCI state,或者确定接收第一PDSCH时的QCL假设,从而针对第二CC区分不同的TRP,增加灵活性,提高系统性能。
可选地,第一TCI状态组为第二激活BWP上激活的TCI状态中标识最小的TCI状态所在的第一个或者最后一个TCI状态组。
可选地,第一TCI状态组为最小codepoint或者最大codepoint对应的TCI状态组。
本实例中,第一门限是网络配置,或者协议规定,或者UE能力上报。
在第一门限时UE能力上报的情况下:
可选地,第一门限通过参数timeDurationForQCL来上报,从而便于支持不同能力的终端;
可选地,针对不同的频带或者频带组合独立上报相关能力。
在本实例中,终端设备根据第一DCI调度的第一PDSCH检测情况,通过对应的HARQ-ACK codebook反馈HARQ相关信息。
为实现上述信息处理方法,本发明实施例还提供一种终端设备,所述终端设备的组成结构,如图8所示,终端设备800包括:
接收单元801,配置为在第一成员载波CC的第一激活带宽部分BWP上接收第一下行控制信息DCI,所述第一DCI在所述第一激活BWP对应的第一控制资源集合CORESET指示的资源上传输,所述第一DCI调度的第一物理下行共享信道PDSCH承载在第二CC的第二激活BWP上。
本发明实施例中,所述第一CORESET属于第一CORESET组。
本发明实施例中,所述终端设备还包括:
第一确定单元,配置为确定第一目标传输配置指示TCI状态,所述第一目标TCI状态用于接收所述第一PDSCH。
本发明实施例中,当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或小于等于第一门限,所述第一目标TCI状态包括:
所述第二激活BWP上第一组索引对应的激活TCI状态中标识最小的TCI状态。
本发明实施例中,所述第一组索引包括:
所述第一CORESET对应的组索引。
本发明实施例中,当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:
第二CORESET对应的TCI状态。
本发明实施例中,所述第二CORESET包括:
所述终端设备在所述第一激活BWP上最近检测的下行时隙上的对应第二组索引的CORESET中标识最小的CORESET。
本发明实施例中,所述第二组索引包括:
所述第一CORESET对应的组索引。
本发明实施例中,当所述第一CC和所述第二CC位为不同的CC或所述第一DCI的载波指示域为非零比特,所述第一CORESET中被配置有指示所述第一DCI中包含TCI状态指示域的信息元素。
本发明实施例中,所述第一目标TCI状态包括:
所述第一DCI携带的TCI状态指示域指示的TCI状态。
本发明实施例中,所述第一DCI的调度时间间隔等于或者大于等于第一门限。
本发明实施例中,当所述第一CC和所述第二CC位为不同的CC当所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:
所述第二激活BWP上下行数据信道对应的激活TCI状态中标识最小的TCI状态。
本发明实施例中,所述终端设备采用联合混合自动重传请求响应HARQ-ACK反馈。
本发明实施例中,所述第一DCI和所述第一激活BWP上的第二DCI不存在重叠。
本发明实施例中,所述终端设备采用独立HARQ-ACK反馈。
本发明实施例中,当所述第一CC和所述第二CC位为不同的CC或者当所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:
所述第二激活BWP上的第一TCI状态。
本发明实施例中,所述第一TCI状态通过无线资源控制RRC信令或者媒体接入控制单元MAC CE信令配置。
本发明实施例中,当所述第一CC和所述第二CC位为不同的CC或者当所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:
所述第二激活BWP上第一组索引对应的激活TCI状态中标识最小的TCI状态。
本发明实施例中,所述第一组索引为所述第一CORESET对应的组索引。
本发明实施例中,所述终端设备采用独立HARQ-ACK反馈。
本发明实施例中,所述第一门限的确定方式包括以下之一:
网络设备配置、预先规定和UE能力上报。
本发明实施例中,当所述第一激活BWP对应的CORESET未被配置组索引,所述第一激活BWP对应的所有的CORESET属于所述第一CORESET组。
本发明实施例中,所述第一激活BWP对应的CORESET中的至少一个CORESET被配置对应的组索引。
本发明实施例中,被配置组索引的CORESET对应的组索引被配置在RRC配置参数中;或者
未被配置组索引的CORESET对应的组索引为预先设定的组索引。
本发明实施例中,所述第一CORESET组包括至少一个CORESET。
本发明实施例中,所述第一CORESET组中的CORESET对应相同的组索引。
本发明实施例中,所述第一激活BWP对应包括所述第一CORESET组在内的至少两个CORESET组。
本发明实施例中,不同CORESET组对应的组索引不同。
本发明实施例中,所述组索引的取值包括:0或1。
本发明实施例中,所述第一激活BWP对应的CORESET中,未被配置组索引的CORESET属于一个CORESET组。
本发明实施例中,所述第一CORESET组对应的组索引为所述第一CORESET组的标识。
本发明实施例中,所述终端设备通过用户设备UE能力上报所述终端设备能否支持至少两个CORESET组。
本发明实施例中,所述第二激活BWP被配置有与所述第一激活BWP中DCI的TCI状态指示域的代码点对应的一个或多个TCI状态组。
本发明实施例中,所述终端设备还包括:
第二确定单元,配置为确定第二目标TCI状态,所述第二目标TCI状态用于接收所述第一PDSCH。
本发明实施例中,当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:
所述第二CORESET对应的TCI状态。
本发明实施例中,所述第二CORESET包括:
所述终端设备在所述第一激活BWP上最近检测的下行时隙上的CORESET中标识最小的CORESET。
本发明实施例中,当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:
所述第一激活BWP上的DCI中支持TCI的域中最小代码点或最大代码点对应的一个或多个TCI状态。
本发明实施例中,当所述第一CC和所述第二CC位为不同的CC或者所述第一DCI的载波指示域 为非零比特,所述第一CORESET中配置指示所述第一DCI中包含TCI状态指示域的信息元素。
本发明实施例中,所述第二目标TCI状态包括:
所述第一DCI携带的TCI状态指示域指示的TCI状态。
本发明实施例中,所述第一DCI的调度时间间隔等于或者大于等于第二门限。
本发明实施例中,当所述第一CC和所述第二CC位为不同的CC或者所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或小于等于第二门限,所述第二目标TCI状态包括:
所述第二激活BWP中下行数据信道对应的激活TCI状态中标识最小的TCI状态。
本发明实施例中,当所述第一CC和所述第二CC位为不同的CC或者所述第一DCI的载波指示域为非零比特,所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:
所述第二激活BWP上的第一TCI状态。
本发明实施例中,所述第一TCI状态通过RRC信令或者MAC CE信令配置。
本发明实施例中,当所述第一CC和所述第二CC位为不同的CC或者当所述第一DCI的载波指示域为非零比特,所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:
所述第二激活BWP上激活的第一TCI状态组中的一个或多个TCI状态。
本发明实施例中,所述第一TCI状态组包括:
所述第二激活BWP上激活的TCI状态中标识最小的TCI状态所在的第一个或者最后一个TCI状态组。
本发明实施例中,所述第一TCI状态组为包括:
最小代码点或者最大代码点对应的TCI状态组。
本发明实施例中,所述第二门限的确定方式包括以下之一:
网络设备配置、预先规定和UE能力上报。
本发明实施例中,所述一个或多个TCI状态组中至少一个TCI状态组包括至少两个TCI状态。
本发明实施例中,所述代码点与所述一个或多个TCI状态组对应。
本发明实施例中,所述一个或多个TCI状态组通过MAC CE配置。
本发明实施例中,所述终端设备根据所述第一PDSCH的检测情况,通过所述第一PDSCH对应的响应码本反馈HARQ信息。
本发明实施例还提供一种终端设备,包括处理器和用于存储能够在处理器上运行的计算机程序的存储器,其中,所述处理器用于运行所述计算机程序时,执行上述终端设备执行的信息处理方法的步骤。
图9是本发明实施例的电子设备(终端设备)的硬件组成结构示意图,电子设备900包括:至少一个处理器901、存储器902和至少一个网络接口904。电子设备900中的各个组件通过总线系统905耦合在一起。可理解,总线系统905用于实现这些组件之间的连接通信。总线系统905除包括数据总线之外,还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见,在图9中将各种总线都标为总线系统905。
可以理解,存储器902可以是易失性存储器或非易失性存储器,也可包括易失性和非易失性存储器两者。其中,非易失性存储器可以是ROM、可编程只读存储器(PROM,Programmable Read-Only Memory)、可擦除可编程只读存储器(EPROM,Erasable Programmable Read-Only Memory)、电可擦除可编程只读存储器(EEPROM,Electrically Erasable Programmable Read-Only Memory)、磁性随机存取存储器(FRAM,ferromagnetic random access memory)、快闪存储器(Flash Memory)、磁表面存储器、光盘、或只读光盘(CD-ROM,Compact Disc Read-Only Memory);磁表面存储器可以是磁盘存储器或磁带存储器。易失性存储器可以是随机存取存储器(RAM,Random Access Memory),其用作外部高速缓存。通过示例性但不是限制性说明,许多形式的RAM可用,例如静态随机存取存储器(SRAM,Static Random Access Memory)、同步静态随机存取存储器(SSRAM,Synchronous Static Random Access Memory)、动态随机存取存储器(DRAM,Dynamic Random Access Memory)、同步动态随机存取存储器(SDRAM,Synchronous Dynamic Random Access Memory)、双倍数据速率同步动态随机存取存储器(DDRSDRAM,Double Data Rate Synchronous Dynamic Random Access Memory)、增强型同步动态随机存取存储器(ESDRAM,Enhanced Synchronous Dynamic Random Access Memory)、同步连接动态随机存取存储器(SLDRAM,SyncLink Dynamic Random Access Memory)、直接内存总线随机存取存储器(DRRAM,Direct Rambus Random Access Memory)。本发明实施例描述的存储器902旨在包括但不限 于这些和任意其它适合类型的存储器。
本发明实施例中的存储器902用于存储各种类型的数据以支持电子设备900的操作。这些数据的示例包括:用于在电子设备900上操作的任何计算机程序,如应用程序9021。实现本发明实施例方法的程序可以包含在应用程序9021中。
上述本发明实施例揭示的方法可以应用于处理器901中,或者由处理器901实现。处理器901可能是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法的各步骤可以通过处理器901中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器901可以是通用处理器、数字信号处理器(DSP,Digital Signal Processor),或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。处理器901可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本发明实施例所公开的方法的步骤,可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于存储介质中,该存储介质位于存储器902,处理器901读取存储器902中的信息,结合其硬件完成前述方法的步骤。
在示例性实施例中,电子设备900可以被一个或多个应用专用集成电路(ASIC,Application Specific Integrated Circuit)、DSP、可编程逻辑器件(PLD,Programmable Logic Device)、复杂可编程逻辑器件(CPLD,Complex Programmable Logic Device)、FPGA、通用处理器、控制器、MCU、MPU、或其他电子元件实现,用于执行前述方法。
本发明实施例还提供了一种存储介质,用于存储计算机程序。
可选地,该存储介质可应用于本发明实施例中的终端设备,并且该计算机程序使得计算机执行本发明实施例的各个方法中的相应流程,为了简洁,在此不再赘述。
本发明是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
以上所述,仅为本发明的较佳实施例而已,并非用于限定本发明的保护范围,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。

Claims (104)

  1. 一种信息处理方法,所述方法包括:
    终端设备在第一成员载波CC的第一激活带宽部分BWP上接收第一下行控制信息DCI,所述第一DCI在所述第一激活BWP对应的第一控制资源集合CORESET指示的资源上传输,所述第一DCI调度的第一物理下行共享信道PDSCH承载在第二CC的第二激活BWP上。
  2. 根据权利要求1所述的方法,其中,所述第一CORESET属于第一CORESET组。
  3. 根据权利要求2所述的方法,其中,所述方法还包括:
    所述终端设备确定第一目标传输配置指示TCI状态,所述第一目标TCI状态用于接收所述第一PDSCH。
  4. 根据权利要求3所述的方法,其中,当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或小于等于第一门限,所述第一目标TCI状态包括:
    所述第二激活BWP上第一组索引对应的激活TCI状态中标识最小的TCI状态。
  5. 根据权利要求4所述的方法,其中,所述第一组索引包括:
    所述第一CORESET对应的组索引。
  6. 根据权利要求3所述的方法,其中,当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:
    第二CORESET对应的TCI状态。
  7. 根据权利要求6所述的方法,其中,所述第二CORESET包括:
    所述终端设备在所述第一激活BWP上最近检测的下行时隙上的对应第二组索引的CORESET中标识最小的CORESET。
  8. 根据权利要求7所述的方法,其中,所述第二组索引包括:
    所述第一CORESET对应的组索引。
  9. 根据权利要求3所述的方法,其中,当所述第一CC和所述第二CC位为不同的CC或所述第一DCI的载波指示域为非零比特,所述第一CORESET中被配置有指示所述第一DCI中包含TCI状态指示域的信息元素。
  10. 根据权利要求9所述的方法,其中,所述第一目标TCI状态包括:
    所述第一DCI携带的TCI状态指示域指示的TCI状态。
  11. 根据权利要求9或10所述的方法,其中,所述第一DCI的调度时间间隔等于或者大于等于第一门限。
  12. 根据权利要求3所述的方法,其中,当所述第一CC和所述第二CC位为不同的CC当所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:
    所述第二激活BWP上下行数据信道对应的激活TCI状态中标识最小的TCI状态。
  13. 根据权利要求12所述的方法,其中,所述终端设备采用联合混合自动重传请求响应HARQ-ACK反馈。
  14. 根据权利要求13所述的方法,其中,所述第一DCI和所述第一激活BWP上的第二DCI不存在重叠。
  15. 根据权利要求12所述的方法,其中,所述终端设备采用独立HARQ-ACK反馈。
  16. 根据权利要求3所述的方法,其中,当所述第一CC和所述第二CC位为不同的CC或者当所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:
    所述第二激活BWP上的第一TCI状态。
  17. 根据权利要求16所述的方法,其中,所述第一TCI状态通过无线资源控制RRC信令或者媒体接入控制单元MAC CE信令配置。
  18. 根据权利要求3所述的方法,其中,当所述第一CC和所述第二CC位为不同的CC或者当所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:
    所述第二激活BWP上第一组索引对应的激活TCI状态中标识最小的TCI状态。
  19. 根据权利要求18所述的方法,其中,所述第一组索引为所述第一CORESET对应的组索引。
  20. 根据权利要求18或19所述的方法,其中,所述终端设备采用独立HARQ-ACK反馈。
  21. 根据权利要求4至8、11至20任一项所述的方法,其中,所述第一门限的确定方式包括以下之一:
    网络设备配置、预先规定和UE能力上报。
  22. 根据权利要求2至21任一项所述的方法,其中,当所述第一激活BWP对应的CORESET未被配置组索引,所述第一激活BWP对应的所有的CORESET属于所述第一CORESET组。
  23. 根据权利要求2至21任一项所述的方法,其中,所述第一激活BWP对应的CORESET中的至少一个CORESET被配置对应的组索引。
  24. 根据权利要求23所述的方法,其中,
    被配置组索引的CORESET对应的组索引被配置在RRC配置参数中;或者
    未被配置组索引的CORESET对应的组索引为预先设定的组索引。
  25. 根据权利要求23或24所述的方法,其中,所述第一CORESET组包括至少一个CORESET。
  26. 根据权利要求25所述的方法,其中,所述第一CORESET组中的CORESET对应相同的组索引。
  27. 根据权利要求23至26任一项所述的方法,其中,所述第一激活BWP对应包括所述第一CORESET组在内的至少两个CORESET组。
  28. 根据权利要求27所述的方法,其中,不同CORESET组对应的组索引不同。
  29. 根据权利要求23至28任一项所述的方法,其中,所述组索引的取值包括:0或1。
  30. 根据权利要求28至29任一项所述的方法,其中,所述第一激活BWP对应的CORESET中,未被配置组索引的CORESET属于一个CORESET组。
  31. 根据权利要求23至30任一项所述的方法,其中,所述第一CORESET组对应的组索引为所述第一CORESET组的标识。
  32. 根据权利要求23至31任一项所述的方法,其中,所述终端设备通过用户设备UE能力上报所述终端设备能否支持至少两个CORESET组。
  33. 根据权利要求1所述的方法,其中,所述第二激活BWP被配置有与所述第一激活BWP中DCI的TCI状态指示域的代码点对应的一个或多个TCI状态组。
  34. 根据权利要33所述的方法,其中,所述方法还包括:
    所述终端设备确定第二目标TCI状态,所述第二目标TCI状态用于接收所述第一PDSCH。
  35. 根据权利要求34所述的方法,其中,当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:
    所述第二CORESET对应的TCI状态。
  36. 根据权利要求35所述的方法,其中,所述第二CORESET包括:
    所述终端设备在所述第一激活BWP上最近检测的下行时隙上的CORESET中标识最小的CORESET。
  37. 根据权利要求34所述的方法,其中,当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:
    所述第一激活BWP上的DCI中支持TCI的域中最小代码点或最大代码点对应的一个或多个TCI状态。
  38. 根据权利要求34所述的方法,其中,当所述第一CC和所述第二CC位为不同的CC或者所述第一DCI的载波指示域为非零比特,所述第一CORESET中配置指示所述第一DCI中包含TCI状态指示域的信息元素。
  39. 根据权利要求38所述的方法,其中,所述第二目标TCI状态包括:
    所述第一DCI携带的TCI状态指示域指示的TCI状态。
  40. 根据权利要求38或39所述的方法,其中,所述第一DCI的调度时间间隔等于或者大于等于第二门限。
  41. 根据权利要求34所述的方法,其中,当所述第一CC和所述第二CC位为不同的CC或者所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或小于等于第二门限,所述第二目标TCI状态包括:
    所述第二激活BWP中下行数据信道对应的激活TCI状态中标识最小的TCI状态。
  42. 根据权利要求34所述的方法,其中,当所述第一CC和所述第二CC位为不同的CC或者所述第一DCI的载波指示域为非零比特,所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:
    所述第二激活BWP上的第一TCI状态。
  43. 根据权利要求42所述的方法,其中,所述第一TCI状态通过RRC信令或者MAC CE信令配置。
  44. 根据权利要求34所述的方法,其中,当所述第一CC和所述第二CC位为不同的CC或者当所述第一DCI的载波指示域为非零比特,所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:
    所述第二激活BWP上激活的第一TCI状态组中的一个或多个TCI状态。
  45. 根据权利要求44所述的方法,其中,所述第一TCI状态组包括:
    所述第二激活BWP上激活的TCI状态中标识最小的TCI状态所在的第一个或者最后一个TCI状态组。
  46. 根据权利要求45所述的方法,其中,所述第一TCI状态组为包括:
    最小代码点或者最大代码点对应的TCI状态组。
  47. 根据权利要求35至37、40至46任一项所述的方法,其中,所述第二门限的确定方式包括以下之一:
    网络设备配置、预先规定和UE能力上报。
  48. 根据权利要求33至47任一项所述的方法,其中,所述一个或多个TCI状态组中至少一个TCI状态组包括至少两个TCI状态。
  49. 根据权利要求33至48任一项所述的方法,其中,所述代码点与所述一个或多个TCI状态组对应。
  50. 根据权利要求33至49任一项所述的方法,其中,所述一个或多个TCI状态组与所述代码点的对应关系通过MAC CE配置。
  51. 根据权利要求1至50任一项所述的方法,其中,所述终端设备根据所述第一PDSCH的检测情况,通过所述第一PDSCH对应的响应码本反馈HARQ信息。
  52. 一种终端设备,所述终端设备包括:
    接收单元,配置为在第一成员载波CC的第一激活带宽部分BWP上接收第一下行控制信息DCI,所述第一DCI在所述第一激活BWP对应的第一控制资源集合CORESET指示的资源上传输,所述第一DCI调度的第一物理下行共享信道PDSCH承载在第二CC的第二激活BWP上。
  53. 根据权利要求52所述的终端设备,其中,所述第一CORESET属于第一CORESET组。
  54. 根据权利要求53所述的终端设备,其中,所述终端设备还包括:
    第一确定单元,配置为确定第一目标传输配置指示TCI状态,所述第一目标TCI状态用于接收所述第一PDSCH。
  55. 根据权利要求54所述的终端设备,其中,当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或小于等于第一门限,所述第一目标TCI状态包括:
    所述第二激活BWP上第一组索引对应的激活TCI状态中标识最小的TCI状态。
  56. 根据权利要求55所述的终端设备,其中,所述第一组索引包括:
    所述第一CORESET对应的组索引。
  57. 根据权利要求56所述的终端设备,其中,当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:
    第二CORESET对应的TCI状态。
  58. 根据权利要求57所述的终端设备,其中,所述第二CORESET包括:
    所述终端设备在所述第一激活BWP上最近检测的下行时隙上的对应第二组索引的CORESET中标识最小的CORESET。
  59. 根据权利要求58所述的终端设备,其中,所述第二组索引包括:
    所述第一CORESET对应的组索引。
  60. 根据权利要求54所述的终端设备,其中,当所述第一CC和所述第二CC位为不同的CC或所述第一DCI的载波指示域为非零比特,所述第一CORESET中被配置有指示所述第一DCI中包 含TCI状态指示域的信息元素。
  61. 根据权利要求60所述的终端设备,其中,所述第一目标TCI状态包括:
    所述第一DCI携带的TCI状态指示域指示的TCI状态。
  62. 根据权利要求60或61所述的终端设备,其中,所述第一DCI的调度时间间隔等于或者大于等于第一门限。
  63. 根据权利要求54所述的终端设备,其中,当所述第一CC和所述第二CC位为不同的CC当所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:
    所述第二激活BWP上下行数据信道对应的激活TCI状态中标识最小的TCI状态。
  64. 根据权利要求63所述的终端设备,其中,所述终端设备采用联合混合自动重传请求响应HARQ-ACK反馈。
  65. 根据权利要求64所述的终端设备,其中,所述第一DCI和所述第一激活BWP上的第二DCI不存在重叠。
  66. 根据权利要求63所述的终端设备,其中,所述终端设备采用独立HARQ-ACK反馈。
  67. 根据权利要求64所述的终端设备,其中,当所述第一CC和所述第二CC位为不同的CC或者当所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:
    所述第二激活BWP上的第一TCI状态。
  68. 根据权利要求67所述的终端设备,其中,所述第一TCI状态通过无线资源控制RRC信令或者媒体接入控制单元MAC CE信令配置。
  69. 根据权利要求54所述的终端设备,其中,当所述第一CC和所述第二CC位为不同的CC或者当所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第一门限,所述第一目标TCI状态包括:
    所述第二激活BWP上第一组索引对应的激活TCI状态中标识最小的TCI状态。
  70. 根据权利要求69所述的终端设备,其中,所述第一组索引为所述第一CORESET对应的组索引。
  71. 根据权利要求69或70所述的终端设备,其中,所述终端设备采用独立HARQ-ACK反馈。
  72. 根据权利要求55至59、62至71任一项所述的终端设备,其中,所述第一门限的确定方式包括以下之一:
    网络设备配置、预先规定和UE能力上报。
  73. 根据权利要求53至72任一项所述的终端设备,其中,当所述第一激活BWP对应的CORESET未被配置组索引,所述第一激活BWP对应的所有的CORESET属于所述第一CORESET组。
  74. 根据权利要求53至72任一项所述的终端设备,其中,所述第一激活BWP对应的CORESET中的至少一个CORESET被配置对应的组索引。
  75. 根据权利要求74所述的终端设备,其中,
    被配置组索引的CORESET对应的组索引被配置在RRC配置参数中;或者
    未被配置组索引的CORESET对应的组索引为预先设定的组索引。
  76. 根据权利要求74或75所述的终端设备,其中,所述第一CORESET组包括至少一个CORESET。
  77. 根据权利要求76所述的终端设备,其中,所述第一CORESET组中的CORESET对应相同的组索引。
  78. 根据权利要求74至77任一项所述的终端设备,其中,所述第一激活BWP对应包括所述第一CORESET组在内的至少两个CORESET组。
  79. 根据权利要求78所述的终端设备,其中,不同CORESET组对应的组索引不同。
  80. 根据权利要求74至79任一项所述的终端设备,其中,所述组索引的取值包括:0或1。
  81. 根据权利要求79至80任一项所述的终端设备,其中,所述第一激活BWP对应的CORESET中,未被配置组索引的CORESET属于一个CORESET组。
  82. 根据权利要求74至81任一项所述的终端设备,其中,所述第一CORESET组对应的组索引为所述第一CORESET组的标识。
  83. 根据权利要求74至82任一项所述的终端设备,其中,所述终端设备通过用户设备UE能力上报所述终端设备能否支持至少两个CORESET组。
  84. 根据权利要求52所述的终端设备,其中,所述第二激活BWP被配置有与所述第一激活BWP 中DCI的TCI状态指示域的代码点对应的一个或多个TCI状态组。
  85. 根据权利要84所述的终端设备,其中,所述终端设备还包括:
    第二确定单元,配置为确定第二目标TCI状态,所述第二目标TCI状态用于接收所述第一PDSCH。
  86. 根据权利要求85所述的终端设备,其中,当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:
    所述第二CORESET对应的TCI状态。
  87. 根据权利要求86所述的终端设备,其中,所述第二CORESET包括:
    所述终端设备在所述第一激活BWP上最近检测的下行时隙上的CORESET中标识最小的CORESET。
  88. 根据权利要求85所述的终端设备,其中,当所述第一CC和所述第二CC为同一个CC或者所述第一DCI的载波指示域为0比特,且所述第一DCI未携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:
    所述第一激活BWP上的DCI中支持TCI的域中最小代码点或最大代码点对应的一个或多个TCI状态。
  89. 根据权利要求85所述的终端设备,其中,当所述第一CC和所述第二CC位为不同的CC或者所述第一DCI的载波指示域为非零比特,所述第一CORESET中配置指示所述第一DCI中包含TCI状态指示域的信息元素。
  90. 根据权利要求89所述的终端设备,其中,所述第二目标TCI状态包括:
    所述第一DCI携带的TCI状态指示域指示的TCI状态。
  91. 根据权利要求89或90所述的终端设备,其中,所述第一DCI的调度时间间隔等于或者大于等于第二门限。
  92. 根据权利要求85所述的终端设备,其中,当所述第一CC和所述第二CC位为不同的CC或者所述第一DCI的载波指示域为非零比特,且所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或小于等于第二门限,所述第二目标TCI状态包括:
    所述第二激活BWP中下行数据信道对应的激活TCI状态中标识最小的TCI状态。
  93. 根据权利要求85所述的终端设备,其中,当所述第一CC和所述第二CC位为不同的CC或者所述第一DCI的载波指示域为非零比特,所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:
    所述第二激活BWP上的第一TCI状态。
  94. 根据权利要求93所述的终端设备,其中,所述第一TCI状态通过RRC信令或者MAC CE信令配置。
  95. 根据权利要求85所述的终端设备,其中,当所述第一CC和所述第二CC位为不同的CC或者当所述第一DCI的载波指示域为非零比特,所述第一DCI不携带TCI状态指示域或者所述第一DCI的调度时间间隔小于或等于第二门限,所述第二目标TCI状态包括:
    所述第二激活BWP上激活的第一TCI状态组中的一个或多个TCI状态。
  96. 根据权利要求95所述的终端设备,其中,所述第一TCI状态组包括:
    所述第二激活BWP上激活的TCI状态中标识最小的TCI状态所在的第一个或者最后一个TCI状态组。
  97. 根据权利要求96所述的终端设备,其中,所述第一TCI状态组为包括:
    最小代码点或者最大代码点对应的TCI状态组。
  98. 根据权利要求86至88、91至97任一项所述的终端设备,其中,所述第二门限的确定方式包括以下之一:
    网络设备配置、预先规定和UE能力上报。
  99. 根据权利要求84至98任一项所述的终端设备,其中,所述一个或多个TCI状态组中至少一个TCI状态组包括至少两个TCI状态。
  100. 根据权利要求84至99任一项所述的终端设备,其中,所述代码点与所述一个或多个TCI状态组对应。
  101. 根据权利要求84至100任一项所述的终端设备,其中,所述一个或多个TCI状态组与所述代码点的对应关系通过MAC CE配置。
  102. 根据权利要求52至101任一项所述的终端设备,其中,所述终端设备根据所述第一PDSCH 的检测情况,通过所述第一PDSCH对应的响应码本反馈HARQ信息。
  103. 一种终端设备,包括处理器和用于存储能够在处理器上运行的计算机程序的存储器,其中,所述处理器用于运行所述计算机程序时,执行权利要求1至51任一项所述的信息处理方法的步骤。
  104. 一种存储介质,存储有可执行程序,所述可执行程序被处理器执行时,实现权利要求1至51任一项所述的信息处理方法。
PCT/CN2019/116795 2019-11-08 2019-11-08 信息处理方法、终端设备及存储介质 WO2021088012A1 (zh)

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