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WO2021051392A1 - Procédé et appareil de détermination de priorité - Google Patents

Procédé et appareil de détermination de priorité Download PDF

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Publication number
WO2021051392A1
WO2021051392A1 PCT/CN2019/107012 CN2019107012W WO2021051392A1 WO 2021051392 A1 WO2021051392 A1 WO 2021051392A1 CN 2019107012 W CN2019107012 W CN 2019107012W WO 2021051392 A1 WO2021051392 A1 WO 2021051392A1
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WIPO (PCT)
Prior art keywords
physical downlink
control resource
control
priority
physical
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PCT/CN2019/107012
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English (en)
Chinese (zh)
Inventor
宋磊
陈哲
张磊
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Fujitsu Ltd
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Fujitsu Ltd
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Priority to PCT/CN2019/107012 priority Critical patent/WO2021051392A1/fr
Publication of WO2021051392A1 publication Critical patent/WO2021051392A1/fr
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Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria

Definitions

  • the embodiments of the present application relate to the field of communication technology.
  • MIMO multiple-input multiple-output
  • NR New radio
  • the beamforming technology has become a key technology in massive MIMO technology because it can effectively compensate for the fading.
  • the network device will indicate the beamforming weighting factor used by the physical channel and/or physical signal to the terminal device to ensure that the terminal device uses a matched spatial receiving filter to receive the signal, thereby maximizing the network
  • the equivalent channel quality between equipment and terminal equipment improves transmission efficiency.
  • multiple transmission points can also be used to jointly transmit for terminal devices.
  • Multiple TRPs can be jointly sent and received, or they can be independently scheduled to reduce the interaction delay between multiple TRPs.
  • the resources for sending data may overlap in the time domain.
  • the specific overlap modes include three modes: partial overlap, complete overlap, and no overlap at all.
  • the inventor found that: in the prior art, when a terminal device and a network device need to send at least two signals in a time unit (such as a time slot), and the number of spatial TCI states of the signals sent at the same time exceeds the number of the terminal device.
  • a time unit such as a time slot
  • the number of spatial TCI states of the signals sent at the same time exceeds the number of the terminal device.
  • embodiments of the present application provide a priority determination method and device.
  • a priority determination method including:
  • the terminal device determines that it needs to receive at least two downlink signals in a time unit
  • the terminal device determines the reception priority of the at least two downlink signals according to the type and/or spatial quasi co-location information of the at least two downlink signals.
  • a priority determining device including:
  • the first determining unit determines that at least two downlink signals need to be received in a time unit
  • the second determining unit determines the reception priority of the at least two downlink signals according to the type and/or spatial quasi co-location information of the at least two downlink signals.
  • a priority determination method including:
  • the terminal device determines that at least two uplink signals need to be sent in a time unit
  • the terminal device determines the sending priority of the at least two uplink signals according to the type and/or spatial quasi co-location information of the at least two uplink signals.
  • a priority determining device including:
  • a third determining unit which determines that at least two uplink signals need to be sent in a time unit
  • the fourth determining unit determines the transmission priority of the at least two uplink signals according to the type and/or spatial quasi co-location information of the at least two uplink signals.
  • a priority determination method including:
  • the terminal device determines that at least two control resource sets need to be monitored in a time unit
  • the terminal device determines the monitoring priority of the at least two control resource sets according to the search space and/or spatial quasi co-location information configured by the at least two control resource sets.
  • a priority determining device including:
  • a fifth determining unit which determines that at least two control resource sets need to be monitored in a time unit
  • the sixth determining unit determines the monitoring priority of the at least two control resource sets according to the search space and/or spatial quasi co-location information configured by the at least two control resource sets.
  • One of the beneficial effects of the embodiments of the present application is that when at least two signals need to be received or transmitted in a time unit, according to the type and/or spatial quasi-co-location (QCL, quasi-co-location) information of the at least two signals To determine the reception or transmission priority of the at least two signals.
  • QCL spatial quasi-co-location
  • Fig. 1 is a schematic diagram of a communication system according to an embodiment of the present application.
  • 2 is an example diagram of determining the reception priority when the PDCCH and PDSCH resources in NR overlap in the time domain;
  • FIG. 3 is an example diagram of determining reception priority when PDCCH and PDSCH resources overlap in the time domain according to an embodiment of the present application
  • FIG. 4 is a schematic diagram of a priority determination method according to an embodiment of the present application.
  • FIG. 5 is an example diagram of determining reception priority when PDSCH and PDSCH resources overlap in the time domain according to an embodiment of the present application
  • FIG. 6 is another example diagram of determining the reception priority when the PDSCH and PDSCH resources in the embodiment of the present application overlap in the time domain;
  • FIG. 7 is another example diagram of determining reception priority when PDSCH and PDSCH resources overlap in the time domain according to an embodiment of the present application
  • FIG. 8 is another schematic diagram of a priority determination method according to an embodiment of the present application.
  • FIG. 9 is another schematic diagram of a priority determination method according to an embodiment of the present application.
  • FIG. 10 is another schematic diagram of a priority determination method according to an embodiment of the present application.
  • FIG. 11 is another schematic diagram of a priority determination method according to an embodiment of the present application.
  • FIG. 12 is a schematic diagram of a priority determining device according to an embodiment of the present application.
  • FIG. 13 is another schematic diagram of the priority determining apparatus according to an embodiment of the present application.
  • FIG. 14 is another schematic diagram of the priority determining apparatus according to an embodiment of the present application.
  • FIG. 15 is another schematic diagram of the priority determining apparatus according to an embodiment of the present application.
  • FIG. 16 is another schematic diagram of the priority determining apparatus according to an embodiment of the present application.
  • FIG. 17 is a schematic diagram of a network device according to an embodiment of the present application.
  • FIG. 18 is a schematic diagram of a terminal device according to an embodiment of the present application.
  • the terms “first”, “second”, etc. are used to distinguish different elements from the terms, but they do not indicate the spatial arrangement or chronological order of these elements. These elements should not be used by these terms. Limited.
  • the term “and/or” includes any and all combinations of one or more of the associated listed terms.
  • the terms “comprising”, “including”, “having” and the like refer to the existence of the stated features, elements, elements or components, but do not exclude the presence or addition of one or more other features, elements, elements or components.
  • the term "communication network” or “wireless communication network” can refer to a network that meets any of the following communication standards, such as Long Term Evolution (LTE), and Enhanced Long Term Evolution (LTE-A, LTE-A). Advanced), Wideband Code Division Multiple Access (WCDMA, Wideband Code Division Multiple Access), High-Speed Packet Access (HSPA, High-Speed Packet Access), etc.
  • LTE Long Term Evolution
  • LTE-A Enhanced Long Term Evolution
  • LTE-A LTE-A
  • Advanced Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • High-Speed Packet Access High-Speed Packet Access
  • HSPA High-Speed Packet Access
  • the communication between devices in the communication system can be carried out according to any stage of communication protocol, for example, it can include but not limited to the following communication protocols: 1G (generation), 2G, 2.5G, 2.75G, 3G, 4G, 4.5G, and 5G , New Radio (NR, New Radio), etc., and/or other currently known or future communication protocols.
  • 1G generation
  • 2G 2.5G
  • 2.75G 3G
  • 4G 4G
  • 4.5G 3G
  • 5G New Radio
  • NR, New Radio New Radio
  • Network device refers to, for example, a device in a communication system that connects a terminal device to a communication network and provides services for the terminal device.
  • Network equipment may include but not limited to the following equipment: base station (BS, Base Station), access point (AP, Access Point), transmission and reception point (TRP, Transmission Reception Point), broadcast transmitter, mobile management entity (MME, Mobile Management Entity), gateway, server, radio network controller (RNC, Radio Network Controller), base station controller (BSC, Base Station Controller), etc.
  • the base station may include but is not limited to: Node B (NodeB or NB), evolved Node B (eNodeB or eNB), 5G base station (gNB), etc., and may also include remote radio head (RRH, Remote Radio Head) , Remote Radio Unit (RRU, Remote Radio Unit), relay (relay), or low-power node (such as femeto, pico, etc.).
  • NodeB Node B
  • eNodeB or eNB evolved Node B
  • gNB 5G base station
  • RRH Remote Radio Head
  • RRU Remote Radio Unit
  • relay relay
  • low-power node such as femeto, pico, etc.
  • base station can include some or all of their functions, and each base station can provide communication coverage for a specific geographic area.
  • the term "cell” may refer to a base station and/or its coverage area, depending on the context in which the term is used.
  • the term "User Equipment” (UE, User Equipment) or “Terminal Equipment” (TE, Terminal Equipment or Terminal Device), for example, refers to a device that accesses a communication network through a network device and receives network services.
  • the terminal device may be fixed or mobile, and may also be called a mobile station (MS, Mobile Station), terminal, subscriber station (SS, Subscriber Station), access terminal (AT, Access Terminal), station, etc.
  • terminal devices may include but are not limited to the following devices: cellular phones (Cellular Phone), personal digital assistants (PDAs, Personal Digital Assistant), wireless modems, wireless communication devices, handheld devices, machine-type communication devices, laptop computers, Cordless phones, smart phones, smart watches, digital cameras, etc.
  • cellular phones Cellular Phone
  • PDAs personal digital assistants
  • wireless modems wireless communication devices
  • handheld devices machine-type communication devices
  • laptop computers Cordless phones
  • smart phones smart watches, digital cameras, etc.
  • a terminal device may also be a machine or device that performs monitoring or measurement.
  • it may include, but is not limited to: Machine Type Communication (MTC) terminals, In-vehicle communication terminals, device to device (D2D, Device to Device) terminals, machine to machine (M2M, Machine to Machine) terminals, etc.
  • MTC Machine Type Communication
  • D2D Device to Device
  • M2M Machine to Machine
  • network side or “network device side” refers to a side of the network, which may be a certain base station, and may also include one or more network devices as described above.
  • user side or “terminal side” or “terminal device side” refers to a side of a user or terminal, which may be a certain UE, or may include one or more terminal devices as described above.
  • FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present application, schematically illustrating a case where terminal devices and network devices are taken as examples.
  • a communication system 100 may include a network device 101 and terminal devices 102 and 103.
  • FIG. 1 only uses two terminal devices and one network device as an example for description, but the embodiment of the present application is not limited to this.
  • the network device 101 and the terminal devices 102 and 103 may perform existing service or service transmission that can be implemented in the future.
  • these services may include, but are not limited to: enhanced Mobile Broadband (eMBB), large-scale machine type communication (mMTC, massive Machine Type Communication), and high-reliability and low-latency communication (URLLC, Ultra-Reliable and Low). -Latency Communication), etc.
  • the beamforming weighting factor may be characterized by spatial QCL characteristics (also referred to as'QCL-TypeD' characteristics, or spatial QCL assumptions, etc.) in the transmission configuration indication (TCI, transmission configuration indication) state.
  • spatial QCL characteristics also referred to as'QCL-TypeD' characteristics, or spatial QCL assumptions, etc.
  • the TCI state that characterizes the spatial QCL characteristics is referred to as the spatial TCI state in this article, and it is also referred to as the TCI state if it does not cause ambiguity or ambiguity.
  • the TCI state also includes three other QCL types, QCL-TypeA, QCL-TypeB, and QCL-TypeC. These three QCL types do not include spatial QCL characteristics, but include one or more combinations of large-scale transmission characteristics such as Doppler frequency shift, Doppler spread, average delay, and delay spread of the reference signal port. .
  • the signal may include an uplink signal (transmitted from a terminal device to a network device) and/or a downlink signal (transmitted from a network device to a terminal device). Both the downlink signal or the uplink signal may include a physical channel and/or a physical signal.
  • the physical channels include, for example, the physical downlink control channel (PDCCH, physical downlink control channel), the physical downlink shared channel (PDSCH, physical downlink shared channel), the physical broadcast channel (PBCH, physical broadcast channel), and the physical uplink control channel (PUCCH, physical). uplink control channel), physical uplink shared channel (PUSCH, physical uplink shared channel), etc.
  • PDCCH physical downlink control channel
  • PDSCH physical downlink shared channel
  • PBCH physical broadcast channel
  • PUCCH physical broadcast channel
  • PUCCH physical broadcast channel
  • PUCCH physical broadcast channel
  • PUCCH physical uplink control channel
  • PUSCH physical uplink shared channel
  • the physical signal includes, for example: channel state information reference signal (CSI-RS, channel state information reference signal), tracking reference signal (TRS, tracking reference signal), phase tracking reference signal (PT-RS, phase tracking reference signal), synchronization signal (SS, synchronization signal), sounding reference signal (SRS, sounding reference signal), etc.
  • CSI-RS channel state information reference signal
  • TRS tracking reference signal
  • PT-RS phase tracking reference signal
  • SS synchronization signal
  • SRS sounding reference signal
  • the beamforming weighting factor (that is, the spatial TCI state) of the physical channel indicates the spatial QCL characteristics of the demodulation reference signal (DMRS, demodulation reference signal) of the physical channel.
  • the spatial TCI status of a physical signal indicates the spatial QCL characteristics of the physical signal. Therefore, the same (or different) spatial TCI state between the physical channels can be equivalent to the same (or different) spatial QCL characteristics between the DMRS of the physical channels.
  • the physical channel and the physical signal have the same (or different) spatial TCI state, which can be equivalent to the physical channel's DMRS and the physical signal having the same (or different) spatial QCL characteristics; the physical signals have the same (or different) characteristics
  • the spatial TCI state is equivalent to the same (or different) spatial QCL characteristics between physical signals.
  • the TCI status of the PDSCH can be dynamically indicated by downlink control information (DCI).
  • DCI downlink control information
  • the network device When the high-level parameter tci-PresentInDCI is enabled, the network device will pass the'Transmission configuration indication' in the DCI Field to indicate the TCI status of the PDSCH.
  • tci-PresentInDCI When tci-PresentInDCI is disabled, the network device will not dynamically indicate the TCI status of the PDSCH through the DCI, but determine the TCI status according to different rules preset in different situations.
  • the PDCCH is transmitted through the resources in the control resource set (CORESET, control resource set), so the TCI state of the PDCCH is determined by the TCI state of the CORESET used during transmission.
  • the terminal device may assume the DMRS port of the PDSCH and the following CORESET
  • the reference signal (RS) is quasi co-located (QCL)
  • the CORESET is the one or more CORESETs of the currently activated bandwidth part (BWP, bandwidth part) in the latest slot, which has the smallest number, and is related to the PDCCH QCL CORESET indicated.
  • the terminal device will expect to preferentially receive the PDCCH associated with the CORESET.
  • the PDCCH is associated with the CORESET, which means that the PDCCH will be sent on the associated CORESET;
  • the PDSCH is associated with the CORESET, which means that the spatial TCI state of the PDSCH is the same as the spatial TCI state of the associated CORESET.
  • Fig. 2 is an example diagram of determining the reception priority when the PDCCH and PDSCH resources in the NR overlap in the time domain.
  • the time slot for scheduling the PDSCH is configured with 3 CORESETs, namely CORESET1 (abbreviated as C1), CORESET2 (abbreviated as C2) and CORESET3 (abbreviated as C3), which are respectively configured in symbol 1, symbol 2 and symbol 3.
  • CORESET1 abbreviated as C1
  • CORESET2 abbreviated as C2
  • C3 abbreviated as C3
  • TCI states of the three are TCI1, TCI2 and TCI3 respectively.
  • the terminal device can determine: if PDSCH is transmitted on symbol 3, the spatial TCI status of PDSCH is the same as C1, C2 and The space TCI state of the CORESET with the smallest number in the CORESET with the search space to be monitored in C3 is the same. For example, C1 has the search space to be monitored and has the smallest number, and the space TCI state of the PDSCH is TCI1.
  • C3 is also configured on symbol 3, and its spatial TCI state is TCI3, which is different from the spatial TCI state of PDSCH. Therefore, the terminal device will consider that the receiving priority of PDCCH on symbol 3 is greater than the receiving priority of PDSCH. , That is, PDCCH (the signal corresponding to C3) will be received preferentially on symbol 3. Correspondingly, the network device knows that the priority of the PDCCH is greater than the priority of the PDSCH. When the terminal device side has limited capabilities, the network device will not send the PDSCH for it on symbol 3.
  • NR specifies the priority reception problem when PDSCH and PDCCH resources overlap in the time domain and the spatial TCI status is not the same.
  • a network device transmits one or more PDCCH and/or one or more PDSCH, and one or more
  • the predefined rules cannot clearly define the reception of the terminal equipment, which may lead to the reception of the physical channel by the network equipment and the terminal equipment Priorities have different understandings, which in turn leads to failures in physical channel reception.
  • FIG. 3 is an example diagram of determining the reception priority when the PDCCH and PDSCH resources overlap in the time domain according to an embodiment of the present application.
  • PDCCH1, PDSCH1, and PDSCH2 are configured and scheduled simultaneously in a time unit (symbol 3), and two transmission points TRP1 and TRP2 are used for transmission, and PDCCH1 is transmitted in C3.
  • C1 and C3 are associated with TRP1, and C2 is associated with TRP2.
  • PDCCH1 is transmitted on C3 using TCI3 and PDSCH1 and PDSCH2 are transmitted by TRP1 and TRP2 using TCI1 and TCI2, respectively.
  • the terminal device When the terminal device only has the ability to receive two different spatial TCI states, if the network device thinks that the terminal device should receive PDCCH1 and PDSCH2 first, it may not send PDSCH1; and if the terminal device preferentially receives PDCCH1 and PDSCH1, it will cause Both PDSCH1 and PDSCH2 are not received correctly.
  • NR only specifies the priority of the TCI state (ie, the QCL parameter of PDCCH DMRS and PDSCH DMRS) between the PDCCH and PDSCH channels, and does not consider the priority in the case of multiple PDCCHs and PDSCHs. Therefore, when multiple PDCCHs and PDSCHs are transmitted at the same time and exceed the UE's receiving capability, according to the priority defined in NR, the terminal device cannot guess which physical channel the network device prefers to send, which will lead to reception errors.
  • the priority of the TCI state ie, the QCL parameter of PDCCH DMRS and PDSCH DMRS
  • uplink control signal uplink control information (UCI, Uplink Control Information)
  • PUCCH Physical Uplink Control Channel
  • uplink data signal uplink data information
  • PUSCH Physical Uplink Shared Channel
  • downlink control signal Downlink control information (DCI, Downlink Control Information)
  • physical downlink control channel PUCH, Physical Downlink Control Channel
  • downlink data signal and “downlink data information” It is interchangeable with “Physical Downlink Shared Channel (PDSCH, Physical Downlink Shared Channel)”.
  • sending or receiving PUSCH can be understood as sending or receiving uplink data carried by PUSCH
  • sending or receiving PUCCH can be understood as sending or receiving uplink information carried by PUCCH
  • sending or receiving PDSCH can be understood as sending or receiving PDSCH carried
  • sending or receiving PDCCH can be understood as sending or receiving downlink information carried by PDCCH.
  • the embodiments of this application may be applicable to scenarios where one or more PDCCHs or one or more PDSCHs are configured or scheduled in one scheduling unit (for example, one or more time slots, or one or more symbols); for example, it may be multiple TRPs or Multi-panel related transmission scenarios, but this application is not limited to this.
  • the multi-TRP or multi-panel operation related modes can be configured explicitly through high-level signaling, or implicitly configured, or involve Multiple TRP transmission schemes.
  • multi-TRP or multi-panel operations can be explicitly configured into one or more transmission schemes, for example, transmission scheme 2 or 3, NC-JT (non-coherent joint transmission) scheme, etc.; it can also be configured by certain higher layers Parameters implicitly indicate that the terminal device can perform multi-TRP or multi-panel operations, such as the number of configured demodulation reference signal port groups (DMRS port group), the number of phase tracking reference signal (PTRS) ports, and the PDCCH transmitted at the same time
  • DMRS port group the number of configured demodulation reference signal port groups
  • PTRS phase tracking reference signal
  • the terminal device is determined to be multi-TRP or multi-panel operation; otherwise, the terminal device is determined to be single TRP or single panel Operation, or operation other than multi-TRP or multi-panel operation.
  • multi-TRP or multi-panel operation may also be a scheme involving multiple TRP transmissions, such as coordinated multi-point (CoMP), carrier aggregation (CA), and dual connectivity (DC). ),and so on.
  • CoMP coordinated multi-point
  • CA carrier aggregation
  • DC dual connectivity
  • FIG. 4 is a schematic diagram of a priority determination method according to an embodiment of the present application. As shown in FIG. 4, the method includes:
  • the terminal device determines that it needs to receive at least two downlink signals in a time unit
  • the terminal device determines the reception priority of the at least two downlink signals according to the type and/or spatial quasi co-location information of the at least two downlink signals.
  • Figure 4 above only schematically illustrates an embodiment of the present application, but the present application is not limited thereto.
  • the order of execution between operations can be appropriately adjusted, and some other operations can be added or some operations can be reduced.
  • Those skilled in the art can make appropriate modifications based on the foregoing content, and are not limited to the description of the foregoing FIG. 4.
  • the spatial quasi-co-location information is configured or indicated by the network device, or is predefined.
  • the terminal device can determine that it needs to receive at least two downlink signals in a time unit (for example, a time slot) through configured or pre-configured CORESET, DCI indicated by the network device, and other information.
  • the downlink signal includes one of the following physical signals or physical channels: physical downlink control channel (PDCCH), physical downlink shared channel (PDSCH), physical broadcast channel (PBCH), channel state information reference signal (CSI- RS), tracking reference signal (TRS), phase tracking reference signal (PTRS), synchronization signal (SS).
  • PDCCH physical downlink control channel
  • PDSCH physical downlink shared channel
  • PBCH physical broadcast channel
  • CSI- RS channel state information reference signal
  • TRS tracking reference signal
  • PTRS phase tracking reference signal
  • SS synchronization signal
  • the spatial quasi co-location (QCL) information of the physical downlink control channel (PDCCH), physical downlink shared channel (PDSCH) or physical broadcast channel (PBCH) is the spatial quasi-co-location (QCL) information of the corresponding demodulation reference signal (DMRS). Co-location (QCL) information.
  • the method further includes: the terminal device receives one or more downlink signals of the at least two downlink signals in the time unit according to the reception priority. For example, if three downlink signals need to be received in this time slot, but the terminal device has only the ability to receive two downlink signals with different spatial TCI states, the terminal device will receive the first two downlink signals with higher priority.
  • the terminal device receives the downlink signal with the highest priority.
  • the embodiments of the present application take the limited capability of the terminal device as an example for description, but the present application is not limited to this.
  • the terminal device may only receive or transmit part of the signal or channel according to the priority even when the capability is strong.
  • the following is a schematic description of a situation where a time unit needs to receive a PDCCH and at least two PDSCHs.
  • the at least two downlink signals include: a first physical downlink control channel, a first physical downlink shared channel, and a second physical downlink shared channel; the terminal device determines that the reception priority of the first physical downlink shared channel is greater than or equal to The reception priority of the second physical downlink shared channel, and the reception priority of the first physical downlink control channel is greater than or equal to the reception priority of the first physical downlink shared channel and the second physical downlink shared channel.
  • the terminal device not only configures at least one CORESET in a time unit, but also schedules the transmission of at least 2 PDSCHs.
  • PDSCHs may be sent by different TRPs or cells, and CORESET is associated with one of the TRPs or cells.
  • the spatial receiving capability of the terminal equipment may be limited. It cannot receive the physical channels and/or physical channels with three different spatial TCI states at the same time. It is necessary to predefine the receiving priority of multiple downlink signals, and then the terminal equipment according to its own The receiving ability (for example, the ability to receive N signals with different spatial TCI states at the same time, N is a positive integer) to receive the downlink signal with higher priority.
  • first physical downlink shared channel and the second physical downlink shared channel have the same spatial TCI state, they have the same reception priority; otherwise, the reception priority of the first physical downlink shared channel is greater than that of the second physical downlink shared channel The receiving priority.
  • first physical downlink shared channel and the first physical downlink control channel have the same spatial TCI state, they have the same reception priority; otherwise, the reception priority of the first physical downlink control channel is greater than that of the first physical downlink control channel.
  • the reception priority of the downlink shared channel Similarly, if the second physical downlink shared channel and the first physical downlink control channel have the same spatial TCI state, they have the same reception priority; otherwise, the reception priority of the first physical downlink control channel is greater than that of the second physical downlink control channel. The reception priority of the physical downlink shared channel.
  • the receiving or sending priority of the first signal is greater than or equal to the receiving or sending priority of the second signal, which means that the two have the same receiving or sending priority when they have the same spatial TCI state, otherwise,
  • the reception or transmission priority of the first signal is greater than that of the second signal.
  • the receiving or sending priority of the first signal is greater than or equal to the receiving or sending priority of the second signal, which is equivalent to that the network device or terminal device preferentially receives or sends the first signal, and is also equivalent to the network device or terminal The device determines that the priority order of receiving or sending is the first signal and the second signal.
  • the reception or transmission priority of the first signal is greater than or equal to the reception or transmission priority of the second signal
  • the reception or transmission priority of the third signal is greater than or equal to the reception or transmission priority of the first signal and the second signal
  • the network device or the terminal device preferentially receives or sends the third signal and the first signal
  • the first, second, or third signal includes physical channels, reference signals, control resource sets, search spaces, and so on. No specific explanation will be given later.
  • the demodulation reference signal (DMRS) of the first physical downlink shared channel and the reference signal (RS) associated with a monitored CORESET are spatially quasi-co-located.
  • the set of control resources to be monitored is a set of control resources associated with at least one search space to be monitored (monitored search space).
  • the set of control resources to be monitored is the set of control resources with the lowest number among all or part of the set of control resources to be monitored configured in the nearest scheduling unit.
  • the scheduling unit includes a time domain unit and a frequency domain unit.
  • the time domain unit can be a time slot (such as latest slot) or a sub-slot (such as latest subslot) or a symbol (such as latest symbol), etc.; the frequency domain unit can be activated Partial bandwidth (BWP), serving carrier, etc.
  • the set of control resources to be monitored is a set of control resources (CORESET) with at least one search space to be monitored (monitored search space) or at least one PDCCH candidate (PDCCH candidate) to be monitored.
  • the associated RS is the RS associated with the QCL parameter in the CORESET TCI state or QCL indication.
  • monitored CORESETs there are one or more monitored CORESETs, which are associated with one or more PDCCHs; one or more monitored CORESETs have the same or different TCI states.
  • the set of control resources to be monitored configures the search space to be monitored, including: common search space (CSS, common search space) and/or UE-specific search space (USS, UE-specific search space).
  • FIG. 5 is an example diagram of determining the reception priority when the PDSCH and PDSCH resources overlap in the time domain according to an embodiment of the present application.
  • FIG. 6 is another example diagram of determining the reception priority when the PDSCH and PDSCH resources in the embodiment of the present application overlap in the time domain.
  • control resource sets to be monitored there are two control resource sets to be monitored (monitored CORESET) in a time unit (symbol 3): C2 and C3.
  • these two CORESETs can have the same TCI state, namely TCI3.
  • the two CORESETs can correspond to different CORESETs of the same TRP, that is, they can be two CORESETs in a CORESET group, and can send the same PDCCH or different PDCCHs.
  • these two CORESETs can have different TCI states, namely TCI3 and TCI4.
  • the two CORESETs can correspond to different TRPs, that is, they can belong to different CORESET groups.
  • CORESET grouping reference may be made to the following embodiments.
  • two monitored CORESETs are associated with one or more PDCCHs.
  • C2 and C3 have the same TCI state.
  • C2 and C3 can be associated with the same PDCCH at the same time, or C2 and C3 can be associated with a PDCCH respectively.
  • one PDCCH carries common control information
  • the other PDCCH carries UE specific control information.
  • C2 and C3 have different TCI states.
  • C2 and C3 can be respectively associated with a PDCCH.
  • one PDCCH carries common control information or UE-specific control information of one TRP
  • the other PDCCH carries another TRP. Public control information or UE-specific information.
  • one or more PDCCHs corresponding to these two CORESETs have higher priority.
  • the time unit symbol 3 simultaneously configures and schedules PDSCH1 and PDSCH2; among them, PDSCH1 and PDSCH2 are associated with C1 and C4, respectively.
  • the TCI status of C1 is TCI1
  • the TCI status of C4 is TCI2. If the time offset between PDSCH1 and PDSCH2 and their scheduled DCI is less than a certain threshold, the corresponding TCI status can be determined to be TCI1 and respectively. TCI2. In addition, because C1 has the lowest number in all the control resource sets to be monitored configured in the nearest scheduling unit (the nearest time slot), the reception priority of PDSCH1 is greater than PDSCH2.
  • part of the set of control resources to be monitored includes: at least one set of control resources to be monitored in a set of control resource sets explicitly configured or indicated by the network device through high-level signaling or physical layer signaling, or , At least one set of control resources to be monitored in a predefined set of control resources, or a set of control resources in a set of control resources implicitly determined by a network device through high-level signaling or physical layer signaling configuration or instructed parameters At least one set of control resources to be monitored.
  • CORESET can be divided into groups with the same number of TRP or cells or TRP groups or cell groups, and each group is associated with a TRP or cell or TRP group or cell.
  • the CORESET grouping can be explicit or implicit.
  • N groups of CORESETs can be explicitly configured (N is greater than or equal to 2), and each group of CORESETs contains at least one CORESET; for another example, CORESETs can be grouped implicitly through predefined rules, and can also be grouped according to high-level signaling or The physical layer signaling configuration or indicated parameters implicitly determine the CORESET packet.
  • CORESETs can be implicitly grouped through predefined rules.
  • the predefined set of control resource sets is composed of odd-numbered control resource sets, or is composed of even-numbered control resource sets, or is composed of control resource sets configured on at least one symbol.
  • CORESETs with odd CORESET ID numbers form a CORESET group
  • CORESETs with even CORESET ID numbers form a CORESET group
  • the search space of the time domain symbol number belongs to the set S (S contains the number of one or more time domain units, and the unit of the number is a symbol, a time slot, etc.) to form a group of CORESETs.
  • the grouping of CORESET can also be implicitly determined according to parameters configured or indicated by high-level signaling or physical layer signaling.
  • the implicitly determined set of control resource sets includes: a control resource set whose high-level parameter associated with hybrid automatic repeat feedback (HARQ-ACK) in the CORESET configuration is a specific value, or the CORESET configuration One of the parameters is a set of control resources with a specific value.
  • HARQ-ACK hybrid automatic repeat feedback
  • CORESET can be implicitly grouped according to the high-level parameters configured in CORESET.
  • each CORESET is configured with a codebook related to HARQ feedback, and CORESETs configured with the same number are implicitly grouped into one group.
  • the CORESET grouping can correspond to the aforementioned CORESETs to be monitored.
  • the CORESETs in a group of CORESET have the same TCI state.
  • the CORESET grouping has been schematically described above, but the application is not limited to this.
  • part of the control resource set to be monitored includes the control resource set of the first physical downlink control channel. Therefore, for example, by defining the CORESET to be monitored, the PDSCH and the priority received CORESET correspond to the same TRP or cell.
  • CORESET can be explicitly or implicitly grouped to associate it with one or more TRPs or cells, and the CORESET and PDSCH that are preferentially received are associated with the same TRP or TRP group.
  • CORESET and PDSCH that are preferentially received are associated with the same TRP or TRP group.
  • part of the control resource set to be monitored does not include the control resource set of the first physical downlink control channel. Therefore, for example, by defining the CORESET to be monitored, the PDSCH and the preferentially received CORESET correspond to different TRPs or cells.
  • CORESET can be explicitly or implicitly grouped to be associated with one or more TRPs or cells, and the CORESET and PDSCH that are preferentially received are associated with different TRPs or TRP groups.
  • the terminal device can simultaneously receive the physical control channel and/or the physical data channel sent by multiple TRPs, thereby increasing the data transmission rate.
  • CORESET can be explicitly or implicitly divided into two groups: group a and group b; the control resource set where the first physical downlink control channel is located belongs to group a, and the part of the control resource set to be monitored belongs to group a. b.
  • the first physical downlink shared channel is scheduled by a second physical downlink control channel (PDCCH) sent through a specific set of control resources.
  • PDCCH physical downlink control channel
  • the reception priority of PDSCH1 is greater than or equal to the reception priority of PDSCH2.
  • the PDSCH sent by one of the TRPs can be preferentially received, and the TRP is, for example, a master TRP or a master cell or a TRP or cell connected to the UE.
  • the specific control resource set includes: at least one control resource set in a group of control resource sets explicitly configured or instructed by the network device through high-level signaling or physical layer signaling, or a preset At least one control resource set in a defined set of control resources, or at least one control resource set in a set of control resources implicitly determined by a network device through a parameter configured or indicated by high-level signaling or physical layer signaling .
  • N groups of CORESETs can be explicitly configured (N is greater than or equal to 2), and each group of CORESETs contains at least one CORESET; for another example, CORESETs can be grouped implicitly through predefined rules, or according to high-level signaling or The physical layer signaling configuration or indicated parameters implicitly determine the CORESET packet.
  • CORESETs can be implicitly grouped through predefined rules.
  • the predefined set of control resource sets is composed of odd-numbered control resource sets, or is composed of even-numbered control resource sets, or is composed of control resource sets configured on at least one symbol.
  • CORESETs with odd CORESET ID numbers form a CORESET group
  • CORESETs with even CORESET ID numbers form a CORESET group
  • the search space of the time domain symbol number belongs to the set S (S contains the number of one or more time domain units, and the unit of the number is a symbol, a time slot, etc.) to form a group of CORESETs.
  • the grouping of CORESET can also be implicitly determined according to parameters configured or indicated by high-level signaling or physical layer signaling.
  • the implicitly determined set of control resource sets includes: a control resource set whose high-level parameter associated with hybrid automatic repeat feedback (HARQ-ACK) in the CORESET configuration is a specific value, or the CORESET configuration One of the parameters is a set of control resources with a specific value.
  • HARQ-ACK hybrid automatic repeat feedback
  • CORESET can be implicitly grouped according to the high-level parameters configured in CORESET.
  • each CORESET is configured with a codebook related to HARQ feedback, and CORESETs configured with the same number are implicitly grouped into one group.
  • the CORESET grouping can correspond to the aforementioned specific CORESETs.
  • the downlink control information (DCI) corresponding to the first physical downlink shared channel indicates the transmission configuration indication (TCI) status of the first physical downlink shared channel, or the first physical downlink shared channel has an indication The transmission configuration indication (TCI) status of the
  • the DCI1 corresponding to PDSCH1 indicates the TCI status of the PDSCH1
  • the DCI2 corresponding to PDSCH2 does not indicate the TCI status of the PDSCH2
  • the PDSCH with the TCI state indicated by the DCI can be received preferentially, with the default TCI state.
  • the status PDSCH may not actually be sent.
  • the at least two downlink signals include: a first physical downlink shared channel and a second physical downlink shared channel; the terminal device determines that the reception priority of the first physical downlink shared channel is greater than or equal to that of the second physical downlink shared channel. Receive priority.
  • the demodulation reference signal (DMRS) of the first physical downlink shared channel and the reference signal (RS) associated with a monitored CORESET are spatially quasi-co-located.
  • the set of control resources to be monitored is a set of control resources associated with at least one search space to be monitored (monitored search space) or at least one PDCCH candidate (candidate) to be monitored.
  • the set of control resources to be monitored is the set of control resources with the lowest number among all or part of the set of control resources to be monitored configured in the nearest scheduling unit.
  • the scheduling unit includes a time domain unit and a frequency domain unit.
  • the time domain unit can be a time slot (such as latest slot) or a sub-slot (such as latest subslot) or a symbol (such as latest symbol), etc.; the frequency domain unit can be activated Partial bandwidth (BWP), serving carrier, etc.
  • the CORESET to be monitored is a CORESET with a monitored search space.
  • the associated RS is the RS associated with the QCL parameter in the CORESET TCI state or QCL indication.
  • FIG. 7 is an example diagram of determining the reception priority when the PDSCH and PDSCH resources overlap in the time domain according to an embodiment of the present application.
  • PDSCH1 and PDSCH2 are configured and scheduled simultaneously in a time unit (such as symbol 3); among them, PDSCH1 and PDSCH2 are respectively associated with C1 and C2, that is, the TCI state of PDSCH1 and the spatial TCI state of C1 Similarly, the spatial TCI state of PDSCH2 is the same as the TCI state of C2.
  • the spatial TCI state of C1 is TCI1
  • the spatial TCI state of C2 is TCI2; if the offset between PDSCH1 and PDSCH2 and the DCI that schedule them is less than a specific threshold, the spatial TCI of PDSCH1 and PDSCH2 can be determined
  • the states are TCI1 and TCI2 respectively.
  • the reception priority of PDSCH1 is greater than PDSCH2.
  • part of the set of control resources to be monitored includes: at least one set of control resources to be monitored in a set of control resource sets explicitly configured or indicated by the network device through high-level signaling or physical layer signaling, or , At least one set of control resources to be monitored in a predefined set of control resources, or a set of control resources in a set of control resources implicitly determined by a network device through high-level signaling or physical layer signaling configuration or instructed parameters At least one set of control resources to be monitored.
  • CORESET can be divided into groups with the same number of TRP or cells or TRP groups or cell groups, and each group is associated with a TRP or cell or TRP group or cell. Corresponding to the group.
  • the CORESET grouping can be explicit or implicit.
  • N N greater than or equal to 2
  • groups of CORESETs can be explicitly configured, and each group of CORESETs contains at least one CORESET.
  • CORESETs can be grouped implicitly through predefined rules, and CORESETs can be implicitly determined according to parameters configured or indicated by high-level signaling or physical layer signaling.
  • CORESETs can be implicitly grouped through predefined rules.
  • the predefined set of control resource sets is composed of odd-numbered control resource sets, or is composed of even-numbered control resource sets, or is composed of control resource sets configured on at least one symbol.
  • CORESETs with odd CORESET ID numbers form a CORESET group
  • CORESETs with even CORESET ID numbers form a CORESET group
  • the search space of the time domain symbol number belongs to the set S (S contains the number of one or more time domain units, and the unit of the number is a symbol, a time slot, etc.) to form a group of CORESETs.
  • the grouping of CORESET can also be implicitly determined according to parameters configured or indicated by high-level signaling or physical layer signaling.
  • the implicitly determined set of control resource sets includes: a control resource set whose high-level parameter associated with hybrid automatic repeat feedback (HARQ-ACK) in the CORESET configuration is a specific value, or the CORESET configuration One of the parameters is a set of control resources with a specific value.
  • HARQ-ACK hybrid automatic repeat feedback
  • CORESET can be implicitly grouped according to the high-level parameters configured in CORESET.
  • each CORESET is configured with a codebook related to HARQ feedback, and CORESETs configured with the same number are implicitly grouped into one group.
  • the CORESET group can correspond to the aforementioned CORESETs to be monitored.
  • the CORESETs in a group of CORESET have the same TCI state.
  • the CORESET grouping has been schematically described above, but the application is not limited to this.
  • the first physical downlink shared channel is scheduled by a second physical downlink control channel (PDCCH) sent through a specific set of control resources.
  • PDCCH physical downlink control channel
  • the PDSCH sent by one of the TRPs can be preferentially received, and the TRP is, for example, a master TRP or a master cell or a TRP or cell connected to the UE.
  • the specific control resource set includes: at least one control resource set in a group of control resource sets explicitly configured or instructed by the network device through high-level signaling or physical layer signaling, or a preset At least one control resource set in a defined set of control resources, or at least one control resource set in a set of control resources implicitly determined by a network device through a parameter configured or indicated by high-level signaling or physical layer signaling .
  • the predefined set of control resource sets is composed of odd-numbered control resource sets, or is composed of even-numbered control resource sets, or is composed of control resource sets configured on at least one symbol.
  • the implicitly determined set of control resource sets includes: a control resource set whose high-level parameter associated with hybrid automatic repeat feedback (HARQ-ACK) in the CORESET configuration is a specific value, or the CORESET configuration One of the parameters is a set of control resources with a specific value.
  • HARQ-ACK hybrid automatic repeat feedback
  • the downlink control information (DCI) corresponding to the first physical downlink shared channel indicates the transmission configuration indication (TCI) state of the first physical downlink shared channel.
  • TCI transmission configuration indication
  • the DCI1 corresponding to PDSCH1 indicates the TCI status of the PDSCH1
  • the DCI2 corresponding to PDSCH2 does not indicate the TCI status of the PDSCH2
  • the PDSCH with the TCI state indicated by the DCI can be received preferentially, with the default TCI state.
  • the status PDSCH may not actually be sent.
  • the time unit may be one symbol, or more than one symbol, or one time slot, or one sub-slot, or more than one time slot, and so on.
  • the above illustrates schematically the situation where one time unit needs to receive at least two PDSCHs, and the PDCCH may not be received in this time unit.
  • the processing capability of the terminal device is low, for example, when it cannot receive two physical channels in different spatial TCI states at the same time, or when there is no PDCCH transmission, the reception priority of the physical channel is defined for it.
  • the at least two downlink signals include: a first physical downlink control channel, a second physical downlink control channel, and a first physical downlink shared channel; the terminal device determines the first physical downlink control channel and the second physical downlink The receiving priority of the control channel is greater than or equal to the receiving priority of the first physical downlink shared channel.
  • the at least two downlink signals include: a first physical downlink control channel, a second physical downlink control channel, a first physical downlink shared channel, and a second physical downlink shared channel; the terminal device determines the first physical downlink
  • the reception priority of the control channel and the second physical downlink control channel are both greater than or equal to the reception priority of the first physical downlink shared channel and the second physical downlink shared channel.
  • the at least two downlink signals include: a first physical downlink shared channel, a second physical downlink shared channel, and a downlink reference signal; the terminal device determines that the first physical downlink shared channel and the second physical downlink shared channel The receiving priority is greater than or equal to the receiving priority of the downlink reference signal.
  • the network device may send physical channels and/or physical signals according to the receiving capability of the terminal device, and not send physical channels and/or physical signals that exceed the receiving capability of the terminal, saving resources and transmission power.
  • the terminal device can correctly receive the physical channel and/or physical signal sent by the network device under the limited receiving capability, so as to avoid incorrectly receiving the untransmitted physical channel and/or physical signal.
  • FIG. 8 is another schematic diagram of a priority confirmation method according to an embodiment of the present application. As shown in FIG. 8, the method includes:
  • the network device determines that at least two downlink signals need to be sent in a time unit
  • the network device determines the transmission priority of the at least two downlink signals according to the types and/or spatial quasi co-location (QCL) information of the at least two downlink signals.
  • QCL spatial quasi co-location
  • the terminal device determines that it needs to receive at least two downlink signals in the time unit.
  • the terminal device determines the reception priority of the at least two downlink signals according to the type and/or spatial quasi co-location (QCL) information of the at least two downlink signals.
  • QCL spatial quasi co-location
  • the network device sends one or more downlink signals to the terminal device in the time unit.
  • FIG. 8 only schematically illustrates the embodiments of the present application, but the present application is not limited thereto.
  • the order of execution between operations can be appropriately adjusted, and some other operations can be added or some operations can be reduced.
  • Those skilled in the art can make appropriate modifications based on the above content, and are not limited to the description of FIG. 8 above.
  • the reception or transmission of the at least two signals is determined according to the type of the at least two signals and/or the spatial quasi co-location information.
  • Send priority As a result, the sender and receiver can agree on the priority of at least two signals, reducing or even avoiding signal reception errors.
  • the embodiment of the present application provides a method for receiving a downlink signal, which is described from a terminal device.
  • the embodiments of the present application can be combined with the embodiments of the first aspect, or can be implemented separately, and the same content as the embodiments of the first aspect will not be repeated.
  • the downlink signal receiving method includes: a terminal device needs to receive at least two downlink signals in a scheduling unit, and the terminal device does not expect the resources of at least two downlink signals to overlap in a time unit, or, The terminal device determines that the resources of at least two downlink signals do not overlap in a time unit.
  • the downlink signal receiving method includes: a terminal device needs to receive at least two downlink signals in a scheduling unit, and the terminal device does not expect to have different spatial quasi co-location (QCL) information in a time unit.
  • the resources of at least two downlink signals overlap, or the terminal device determines that the resources of at least two downlink signals with different spatial quasi co-location (QCL) information in a time unit do not overlap.
  • the spatial quasi-co-location information is configured or indicated by the network device, or is predefined.
  • the downlink signal includes one of the following physical signals or physical channels: physical downlink control channel (PDCCH), physical downlink shared channel (PDSCH), physical broadcast channel (PBCH), channel state information reference signal (CSI- RS), tracking reference signal (TRS), phase tracking reference signal (PTRS), synchronization signal (SS).
  • PDCCH physical downlink control channel
  • PDSCH physical downlink shared channel
  • PBCH physical broadcast channel
  • CSI- RS channel state information reference signal
  • TRS tracking reference signal
  • PTRS phase tracking reference signal
  • SS synchronization signal
  • the spatial quasi co-location (QCL) information of the physical downlink control channel (PDCCH), physical downlink shared channel (PDSCH) or physical broadcast channel (PBCH) is the spatial quasi-co-location (QCL) information of the corresponding demodulation reference signal (DMRS). Co-location (QCL) information.
  • the at least two downlink signals include: a first physical downlink control shared channel and a first physical downlink shared channel; or, the at least two downlink signals include: a first physical downlink control channel, a first physical downlink shared channel And the second physical downlink shared channel.
  • the time unit may be one symbol, or more than one symbol, or one time slot, or one sub-slot, or more than one time slot, and so on.
  • the UE does not expect the PDCCH and PDSCH to overlap, that is, it does not expect PDSCH to be scheduled in the control region.
  • the number of physical channels that exceed the UE's receiving capability is configured or scheduled in one time unit, thereby avoiding the UE's receiving failure due to insufficient receiving capability.
  • the UE does not expect the PDCCH and PDSCHs with different TCI states to overlap in time units. Therefore, it is avoided that the PDSCH and PDCCH scheduled by the same TRP occupy too much UE receiving capacity in the same time unit, thereby avoiding the failure of receiving physical channels of other TRPs or cells.
  • the embodiment of the present application provides a priority determination method.
  • the upstream signal is taken as an example and the description will be made from the terminal device side.
  • the embodiment of the present application may correspond to the embodiment of the first aspect, and the same content as the embodiment of the first aspect will not be repeated.
  • FIG. 9 is a schematic diagram of a priority determination method according to an embodiment of the present application. As shown in FIG. 9, the method includes:
  • the terminal device determines that at least two uplink signals need to be sent in a time unit
  • the terminal device determines the sending priority of the at least two uplink signals according to the type and/or spatial quasi co-location (QCL) information of the at least two uplink signals.
  • QCL spatial quasi co-location
  • the spatial quasi-co-location information is configured or indicated by the network device, or is predefined.
  • the uplink signal includes one of the following physical signals or physical channels: physical uplink control channel (PUCCH), physical uplink shared channel (PUSCH), sounding reference signal (SRS), phase tracking reference signal (PT-RS) ).
  • PUCCH physical uplink control channel
  • PUSCH physical uplink shared channel
  • SRS sounding reference signal
  • PT-RS phase tracking reference signal
  • the spatial quasi co-location (QCL) information of the physical uplink control channel (PUCCH) or the physical uplink shared channel (PUSCH) is the spatial quasi co-location (QCL) information of the corresponding demodulation reference signal (DMRS).
  • the method further includes: the terminal device transmits one or more uplink signals of the at least two uplink signals in the time unit according to the transmission priority. For example, only one or more uplink signals with higher priority may be sent in this time unit, or at least two uplink signals may be sent in this time unit using the spatial TCI state of the uplink signal with higher priority.
  • the at least two uplink signals include: a first physical uplink shared channel and a second physical uplink shared channel; the terminal device determines that the transmission priority of the first physical uplink shared channel is greater than or equal to the second physical uplink shared channel; The transmission priority of the uplink shared channel.
  • the at least two uplink signals include: a first physical uplink control channel, a first physical uplink shared channel, and a second physical uplink shared channel; the terminal device determines that the transmission priority of the first physical uplink shared channel is greater than Or equal to the sending priority of the second physical uplink shared channel, and the sending priority of the first physical uplink control channel is greater than or equal to the sending priority of the first physical uplink shared channel and the second physical uplink shared channel level.
  • the first physical uplink shared channel is scheduled by a physical downlink control channel (PDCCH) sent through a specific set of control resources.
  • PDCCH physical downlink control channel
  • the specific control resource set includes: at least one control resource set in a group of control resource sets explicitly configured or instructed by the network device through high-level signaling or physical layer signaling, or a preset At least one control resource set in a defined set of control resources, or at least one control resource set in a set of control resources implicitly determined by a network device through a parameter configured or indicated by high-level signaling or physical layer signaling .
  • the predefined set of control resource sets is composed of odd-numbered control resource sets, or is composed of even-numbered control resource sets, or is composed of control resource sets configured on at least one symbol.
  • the implicitly determined group of control resource sets includes: a control resource set whose high-level parameter associated with hybrid automatic repeat feedback (HARQ-ACK) in the CORESET configuration is a specific value, or the CORESET configuration One of the parameters is a set of control resources with a specific value.
  • HARQ-ACK hybrid automatic repeat feedback
  • the downlink control information (DCI) for scheduling the first physical uplink shared channel indicates the transmission configuration indicator (TCI) status or SRS resource indicator (SRI, SRS Resource indicator) of the first physical uplink shared channel.
  • TCI transmission configuration indicator
  • SRI SRS resource indicator
  • the at least two uplink signals include: a first physical uplink control channel and a second physical uplink control channel; the terminal device determines that the transmission priority of the first physical uplink control channel is greater than or equal to the second physical uplink control channel; The transmission priority of the uplink control channel.
  • the physical downlink control channel (PDCCH) indicating the transmission resource of the first physical uplink control channel is transmitted in a specific control resource set configured by the network device.
  • the specific control resource set includes: at least one control resource set in a group of control resource sets explicitly configured or instructed by the network device through high-level signaling or physical layer signaling, or a preset At least one control resource set in a defined set of control resources, or at least one control resource set in a set of control resources implicitly determined by a network device through a parameter configured or indicated by high-level signaling or physical layer signaling .
  • the predefined set of control resource sets is composed of odd-numbered control resource sets, or is composed of even-numbered control resource sets, or is composed of control resource sets configured on at least one symbol.
  • the implicitly determined set of control resource sets includes: a control resource set whose high-level parameter associated with hybrid automatic repeat feedback (HARQ-ACK) in the CORESET configuration is a specific value, or the CORESET configuration One of the parameters is a set of control resources with a specific value.
  • HARQ-ACK hybrid automatic repeat feedback
  • the at least two uplink signals include: a first physical uplink control channel, a second physical uplink control channel, and a first physical uplink shared channel; the terminal device determines the first physical uplink control channel and the second physical uplink The transmission priority of the control channel is greater than or equal to the transmission priority of the first physical uplink shared channel.
  • the at least two uplink signals include: a first physical uplink control channel, a second physical uplink control channel, a first physical uplink shared channel, and a second physical uplink shared channel; the terminal device determines the first physical uplink
  • the sending priorities of the control channel and the second physical uplink control channel are both greater than or equal to the sending priorities of the first physical uplink shared channel and the second physical uplink shared channel.
  • the at least two uplink signals include: a first physical uplink shared channel, a second physical uplink shared channel, and an uplink reference signal; the terminal device determines that the first physical uplink shared channel and the second physical uplink shared channel The sending priority is greater than or equal to the sending priority of the uplink reference signal.
  • the time unit may be one symbol, or more than one symbol, or one time slot, or one sub-slot, or more than one time slot, and so on.
  • FIG. 10 is another schematic diagram of a priority confirmation method according to an embodiment of the present application. As shown in FIG. 10, the method includes:
  • the network device determines that it needs to receive at least two uplink signals in a time unit
  • the network device determines the reception priority of the at least two uplink signals according to the types and/or spatial quasi co-location (QCL) information of the at least two uplink signals.
  • QCL spatial quasi co-location
  • the terminal device determines that at least two uplink signals need to be sent in this time unit;
  • the terminal device determines the transmission priority of the at least two uplink signals according to the type and/or spatial quasi co-location (QCL) information of the at least two uplink signals.
  • QCL spatial quasi co-location
  • the terminal device sends one or more uplink signals to the network device in the time unit.
  • the reception or transmission of the at least two signals is determined according to the type of the at least two signals and/or the spatial quasi co-location information.
  • Send priority As a result, the sender and receiver can agree on the priority of at least two signals, reducing or even avoiding signal reception errors.
  • the embodiment of the present application provides a priority determination method, which is described from a terminal device.
  • the embodiments of the present application can be combined with the embodiments of the first to third aspects, or can be implemented separately, and the same content as the embodiments of the first to third aspects will not be repeated.
  • FIG. 11 is a schematic diagram of a priority determination method according to an embodiment of the present application. As shown in FIG. 11, the method includes:
  • the terminal device determines that it needs to monitor at least two control resource sets (CORESET) in a time unit;
  • the terminal device determines the monitoring priority of the at least two control resource sets (CORESET) according to the search space and/or spatial quasi co-location information configured by the at least two control resource sets (CORESET).
  • the terminal device only monitors one of the CORESET and the CORESET has other CORESETs with the same QCL typeD characteristics.
  • the terminal device will monitor the CORESET associated with the CSS set with the lowest CSS set number in the cell with the lowest cell number in the cell containing the CSS; otherwise, the terminal device will monitor CORESET (the CORESET correspondings to the CSS set with the lowest index in the cell with the lowest index containing CSS, if any; otherwise, to the) associated with the USS set with the lowest USS set number in the cell with the lowest cell number USS set with the lowest index in the cell with lowest index).
  • CORESET the CORESET correspondings to the CSS set with the lowest index in the cell with the lowest index containing CSS, if any; otherwise, to the
  • the terminal device can receive two beams in different directions at the same time, that is, it can receive two or more physical channels or physical signals with different spatial TCI states at the same time.
  • Different terminal devices have different receiving capabilities. For example, when the receiving capabilities of the terminal device are exceeded, the monitoring priority of each search space needs to be determined.
  • the terminal device is working on a cell or an active bandwidth part, and the application is not limited to this.
  • the terminal device works on multiple cells, it can be extended accordingly according to the R15 protocol.
  • the CSS set or USS set is defined as the CSS set or USS set on a cell with a low cell index including CSS or USS, etc. .
  • the at least two control resource sets include: a first control resource set (CORESET) configured with a UE-specific search space set (USS set), and a first control resource set (CORESET) configured with a UE-specific search space set (USS set)
  • the terminal device determines that the monitoring priority of the first control resource set (CORESET) is greater than or equal to the monitoring priority of the second control resource set (CORESET), and the monitoring priority of the third control resource set (CORESET) is greater than or equal to the first control resource The monitoring priority of the set (CORESET) and the second control resource set (CORESET).
  • the first control resource set (CORESET) configured with the UE specific search space set (USS set) and the third control resource set (CORESET) configured with the common search space set (CSS set) may be the same control resource set ( CORESET), that is, the first CORESET and the third CORESET are the same CORESET, or the first CORESET and the third CORESET have the same spatial TCI state.
  • the first control resource set (CORESET) configured with the UE specific search space set (USS set) and the third control resource set (CORESET) configured with the common search space set (CSS set) have the same priority .
  • the third CORESET has a higher priority than the first CORESET.
  • the second CORESET and the third CORESET are the same CORESET or both have the same spatial TCI state, they have the same priority; otherwise, the third CORESET has a higher priority than the second CORESET.
  • the first CORESET and the second CORESET are the same CORESET or both have the same spatial TCI state, they have the same priority; otherwise, the first CORESET has a higher priority than the second CORESET.
  • the terminal device preferentially monitors the CORESET corresponding to the public search space (CSS) (called CSS CORESET) and the CORESET corresponding to a UE-specific search space (USS) (called USS CORESET), and has the same priority as the CORESET received by priority.
  • CORESET of the space TCI state when the terminal device is configured to perform TRP related operations, if the terminal has the ability to receive two signals with different spatial TCI status at the same time, the terminal device will monitor the CORESET corresponding to the CSS set and the corresponding USS set with different spatial TCI states CORESET.
  • the first control resource set is the control resource set with the lowest number and configured with a UE-specific search space (USS) among the multiple (for example, all) control resource sets to be monitored configured in the most recent scheduling unit .
  • USS UE-specific search space
  • the USS CORESET is the CORESET corresponding to the UE-specific search space (USS) with the lowest number.
  • the monitoring priority of the UE is defined to ensure that both the base station and the UE have a consistent understanding of the search space and CORESET that can be monitored.
  • the base station and the UE can only send and receive control information in the search space and CORESET that the UE has the ability to monitor, avoiding unnecessary power and resource loss.
  • the first control resource set (CORESET) is the control resource set with the lowest number among the partial control resource sets to be monitored configured in the most recent scheduling unit, wherein the partial control resource set to be monitored includes the The third control resource collection.
  • the USS CORESET is the CORESET with the lowest number among the part of the CORESETs to be monitored, and the CSS CORESET is also included in the part of the CORESETs to be monitored.
  • the TCI state of the USS CORESET is the same as the TCI state of the CSS CORESET.
  • CORESET can be grouped explicitly or implicitly to associate it with one or more TRPs or cells, and the CORESET corresponding to the priority-monitored USS and the CORESET corresponding to the priority-monitoring CSS are the same TRP or Associated with TRP group.
  • the CORESET corresponding to the priority-monitored USS and the CORESET corresponding to the priority-monitoring CSS are the same TRP or Associated with TRP group.
  • the first control resource set is the control resource set with the lowest number among the partial control resource sets to be monitored configured in the most recent scheduling unit, wherein the partial control resource set to be monitored does not include The third set of control resources.
  • CORESET can be explicitly or implicitly divided into two groups: group a and group b; the third control resource set belongs to group a, and the part of the control resource set to be monitored belongs to group b.
  • the USS CORESET is the CORESET with the lowest number among the part of the CORESETs to be monitored, and the CSS CORESET is not included in the part of the CORESETs to be monitored.
  • the TCI state of the USS CORESET is different from the TCI state of the CSS CORESET.
  • CORESET can be grouped explicitly or implicitly to associate it with one or more TRPs or cells, and the CORESET corresponding to the priority monitored USS and the CORESET corresponding to the priority monitoring CSS are different from the TRP or Associated with TRP group.
  • the terminal device can receive control information sent by multiple TRPs at the same time.
  • the at least two control resource sets include: a first control resource set (CORESET) configured with a UE-specific search space (USS) and a second control resource configured with a UE-specific search space (USS) Set (CORESET); the terminal device determines that the monitoring priority of the first control resource set (CORESET) is greater than or equal to the monitoring priority of the second control resource set (CORESET).
  • first CORESET and the second CORESET are the same CORESET or both have the same spatial TCI state, they have the same priority; otherwise, the first CORESET has a higher priority than the second CORESET.
  • the multiple control resource sets configured in the most recent scheduling unit are divided into at least two groups, and each group of resource control sets is configured with the same transmission configuration indication (TCI) state; the part of the control to be monitored The resource set is one of the at least two groups.
  • TCI transmission configuration indication
  • the CSS may be one or more, associated with one or more CORESET groups; one or more CSSs have the same or different TCI states.
  • CORESET grouping reference may be made to the embodiment of the first aspect.
  • CORESETs with the same QCL-TypeD characteristics as the aforementioned CORESETs can also be preferentially received.
  • the time unit may be one symbol, or more than one symbol, or one time slot, or one sub-slot, or more than one time slot, and so on.
  • the terminal device can monitor at least two control resource sets (CORESET).
  • the embodiment of the present application provides a resource configuration method, which is explained from a network device.
  • the embodiments of the present application can be combined with the embodiments of the first to fourth aspects, or can be implemented separately, and the same content as the embodiments of the first to fourth aspects will not be repeated.
  • the resource configuration method includes: the network device explicitly configures or instructs two or more sets of control resources through high-level signaling or physical layer signaling, or determines the two sets of control resources in a predefined manner. Or in two or more control resource sets, or the network device implicitly configures or instructs two or more control resource sets through parameters configured or indicated by high-level signaling or physical layer signaling.
  • the pre-defined manner includes: pre-defining a set of odd-numbered control resources into a group, or pre-defining a set of even-numbered control resources into a group, or predefining control resources configured on at least one symbol
  • the collection is predefined as a group.
  • implicitly configuring or indicating two or more sets of control resources includes: a high-level parameter associated with hybrid automatic repeat feedback (HARQ-ACK) in the CORESET configuration is a control resource with a specific value The collection is divided into one group, or a control resource collection with a specific value in the CORESET configuration is divided into one group.
  • HARQ-ACK hybrid automatic repeat feedback
  • two or more control resource sets in a set of resource control sets are configured with the same transmission configuration indication (TCI) state.
  • TCI transmission configuration indication
  • multiple groups of CORESET can be configured, and all CORESETs in each group of CORESET can be configured with the same TCI state.
  • the embodiment of the present application provides a priority determination device.
  • the device may be, for example, a terminal device, or it may be one or some parts or components of the terminal device.
  • the content of the embodiment of the present application that is the same as the embodiment of the first to fifth aspects will not be repeated.
  • FIG. 12 is a schematic diagram of a priority determining apparatus according to an embodiment of the present application. As shown in FIG. 12, the priority determining apparatus 1200 includes:
  • the first determining unit 1201 determines that at least two downlink signals need to be received in a time unit
  • the second determining unit 1202 determines the reception priority of the at least two downlink signals according to the type and/or spatial quasi co-location information of the at least two downlink signals.
  • the priority determining apparatus 1200 further includes:
  • the receiving unit 1203 receives one or more downlink signals of the at least two downlink signals in the time unit according to the reception priority.
  • the at least two downlink signals include: a first physical downlink shared channel and a second physical downlink shared channel; the second determining unit 1202 determines that the reception priority of the first physical downlink shared channel is greater than or equal to the The reception priority of the second physical downlink shared channel.
  • the at least two downlink signals further include: a first physical downlink control channel; the second determining unit 1202 also determines that the reception priority of the first physical downlink control channel is greater than or equal to the first physical downlink shared The reception priority of the channel and the second physical downlink shared channel.
  • the at least two downlink signals include: a first physical downlink control channel, a second physical downlink control channel, and a first physical downlink shared channel; the second determining unit 1202 determines the first physical downlink control channel and the first physical downlink control channel; The reception priority of the two physical downlink control channels is greater than or equal to the reception priority of the first physical downlink shared channel.
  • the at least two downlink signals include: a first physical downlink control channel, a second physical downlink control channel, a first physical downlink shared channel, and a second physical downlink shared channel; the second determining unit 1202 determines the second The reception priority of a physical downlink control channel and the second physical downlink control channel are both greater than or equal to the reception priority of the first physical downlink shared channel and the second physical downlink shared channel.
  • the at least two downlink signals include: a first physical downlink shared channel, a second physical downlink shared channel, and a downlink reference signal; the second determining unit 1202 determines the first physical downlink shared channel and the second physical downlink The reception priority of the shared channel is greater than or equal to the reception priority of the downlink reference signal.
  • FIG. 13 is another schematic diagram of a priority determining apparatus according to an embodiment of the present application. As shown in FIG. 13, the priority determining apparatus 1300 includes:
  • the third determining unit 1301 determines that at least two uplink signals need to be sent in a time unit
  • the fourth determining unit 1304 determines the transmission priority of the at least two uplink signals at least according to the type and/or spatial quasi co-location information of the at least two uplink signals.
  • the priority determining apparatus 1300 further includes:
  • the sending unit 1303 is configured to send one or more uplink signals of the at least two uplink signals in the time unit according to the transmission priority.
  • FIG. 14 is another schematic diagram of a priority determining apparatus according to an embodiment of the present application. As shown in FIG. 14, the priority determining apparatus 1400 includes:
  • the fifth determining unit 1401 determines that at least two control resource sets need to be monitored in a time unit
  • the sixth determining unit 1402 determines the monitoring priority of the at least two control resource sets according to the search space and/or spatial quasi co-location information configured by the at least two control resource sets.
  • the priority determining apparatus 1200, 1300, or 1400 may also include other components or modules, and for the specific content of these components or modules, reference may be made to related technologies.
  • Figures 12, 13 or 14 only exemplarily show the connection relationship or signal direction between the various components or modules, but it should be clear to those skilled in the art that various related connections such as bus connection can be used. technology.
  • the foregoing components or modules can be implemented by hardware facilities such as a processor, a memory, a transmitter, and a receiver; the implementation of this application does not limit this.
  • the reception or transmission of the at least two signals is determined according to the type of the at least two signals and/or the spatial quasi co-location information.
  • Send priority As a result, the sender and receiver can agree on the priority of at least two signals, reducing or even avoiding signal reception errors.
  • the embodiment of the present application provides a priority determination device.
  • the device may be, for example, a network device, or may be a certain or some components or components of the network device.
  • the content of the embodiment of the present application that is the same as the embodiment of the first to fifth aspects will not be repeated.
  • FIG. 15 is a schematic diagram of a priority determining apparatus according to an embodiment of the present application. As shown in FIG. 15, the priority determining apparatus 1500 includes:
  • the seventh determining unit 1501 determines that at least two downlink signals need to be sent in a time unit
  • An eighth determining unit 1502 which determines the transmission priority of the at least two downlink signals according to the types and/or spatial quasi co-location information of the at least two downlink signals.
  • the priority determining apparatus 1500 further includes:
  • the transmitting unit 1503 transmits one or more downlink signals of the at least two downlink signals in the time unit according to the transmission priority.
  • FIG. 16 is another schematic diagram of a priority determining apparatus according to an embodiment of the present application. As shown in FIG. 16, the priority determining apparatus 1600 includes:
  • the ninth determining unit 1601 determines that at least two uplink signals need to be received in a time unit
  • the tenth determining unit 1602 determines the reception priority of the at least two uplink signals according to the type and/or spatial quasi co-location information of the at least two uplink signals.
  • the priority determining apparatus 1600 further includes:
  • the receiving unit 1603 receives one or more uplink signals of the at least two uplink signals in the time unit according to the reception priority.
  • the priority determining apparatus 1500 or 1600 may also include other components or modules, and for the specific content of these components or modules, reference may be made to related technologies.
  • FIG. 15 or 16 only exemplarily shows the connection relationship or signal direction between various components or modules, but it should be clear to those skilled in the art that various related technologies such as bus connection can be used.
  • the foregoing components or modules can be implemented by hardware facilities such as a processor, a memory, a transmitter, and a receiver; the implementation of this application does not limit this.
  • the reception or transmission of the at least two signals is determined according to the type of the at least two signals and/or the spatial quasi co-location information.
  • Send priority As a result, the sender and receiver can agree on the priority of at least two signals, reducing or even avoiding signal reception errors.
  • the embodiments of the present application also provide a communication system, which can be referred to FIG. 1, and the same content as the embodiments of the first aspect to the seventh aspect will not be repeated.
  • the embodiment of the present application also provides a network device, which may be a base station, for example, but the present application is not limited to this, and may also be other network devices.
  • a network device which may be a base station, for example, but the present application is not limited to this, and may also be other network devices.
  • FIG. 17 is a schematic diagram of the structure of a network device according to an embodiment of the present application.
  • the network device 1700 may include: a processor 1710 (for example, a central processing unit CPU) and a memory 1720; the memory 1720 is coupled to the processor 1710.
  • the memory 1720 can store various data; in addition, it also stores an information processing program 1730, and the program 1730 is executed under the control of the processor 1710.
  • the processor 1710 may be configured to execute a program to implement the priority determination method as described in the embodiments of the first to fifth aspects.
  • the processor 1710 may be configured to perform the following control: it is determined that at least two downlink signals need to be transmitted in a time unit; and the type of the at least two downlink signals and/or spatial quasi co-location (QCL) information is determined The sending priorities of at least two downlink signals are described.
  • the processor 1710 may be configured to perform the following control: determine that at least two uplink signals need to be received in a time unit; at least according to the type and/or spatial quasi co-location (QCL) information of the at least two uplink signals To determine the reception priority of the at least two uplink signals.
  • QCL spatial quasi co-location
  • the network device 1700 may further include: a transceiver 1740, an antenna 1750, etc.; wherein the functions of the above-mentioned components are similar to those of the prior art, and will not be repeated here. It is worth noting that the network device 1700 does not necessarily include all the components shown in FIG. 17; in addition, the network device 1700 may also include components not shown in FIG. 17, and the prior art can be referred to.
  • the embodiment of the present application also provides a terminal device, but the present application is not limited to this, and may also be other devices.
  • FIG. 18 is a schematic diagram of a terminal device according to an embodiment of the present application.
  • the terminal device 1800 may include a processor 1810 and a memory 1820; the memory 1820 stores data and programs, and is coupled to the processor 1810. It is worth noting that this figure is exemplary; other types of structures can also be used to supplement or replace this structure to achieve telecommunication functions or other functions.
  • the processor 1810 may be configured to execute a program to implement the priority determination method as described in the embodiments of the first to fifth aspects.
  • the processor 1810 may be configured to perform the following control: it is determined that at least two downlink signals need to be received in a time unit; and the type of the at least two downlink signals and/or spatial quasi co-location (QCL) information is determined Describe the reception priority of at least two downlink signals.
  • QCL spatial quasi co-location
  • the processor 1810 may be configured to perform the following control: determine that at least two uplink signals need to be transmitted in a time unit; according to the type of the at least two uplink signals and/or spatial quasi co-location (QCL) information, Determine the sending priority of the at least two uplink signals.
  • QCL spatial quasi co-location
  • the terminal device 1800 may further include: a communication module 1830, an input unit 1840, a display 1850, and a power supply 1860.
  • a communication module 1830 the functions of the above-mentioned components are similar to those of the prior art, and will not be repeated here. It is worth noting that the terminal device 1800 does not necessarily include all the components shown in FIG. 18, and the above-mentioned components are not necessary; in addition, the terminal device 1800 may also include components not shown in FIG. There is technology.
  • An embodiment of the present application also provides a computer program, wherein when the program is executed in a terminal device, the program causes the terminal device to execute the priority determination method or the priority determination method described in the embodiments of the first aspect to the fifth aspect.
  • the receiving method of the downlink signal is also provided.
  • An embodiment of the present application also provides a storage medium storing a computer program, wherein the computer program enables a terminal device to execute the priority determination method or the downlink signal receiving method described in the embodiments of the first aspect to the fifth aspect.
  • An embodiment of the present application also provides a computer program, wherein when the program is executed in a network device, the program causes the network device to execute the priority determination method or the priority determination method described in the embodiments of the first aspect to the fifth aspect. Resource allocation method.
  • An embodiment of the present application also provides a storage medium storing a computer program, wherein the computer program enables a network device to execute the priority determination method or the resource configuration method described in the embodiments of the first aspect to the fifth aspect.
  • the above devices and methods of this application can be implemented by hardware, or can be implemented by hardware combined with software.
  • This application relates to such a computer-readable program.
  • the logic component can realize the above-mentioned device or constituent component, or the logic component can realize the above-mentioned various methods. Or steps.
  • This application also relates to storage media used to store the above programs, such as hard disks, magnetic disks, optical disks, DVDs, flash memory, etc.
  • the method/device described in conjunction with the embodiments of the present application may be directly embodied as hardware, a software module executed by a processor, or a combination of the two.
  • one or more of the functional block diagrams and/or one or more combinations of the functional block diagrams shown in the figure may correspond to each software module of the computer program flow or each hardware module.
  • These software modules can respectively correspond to the steps shown in the figure.
  • These hardware modules can be implemented by solidifying these software modules by using a field programmable gate array (FPGA), for example.
  • FPGA field programmable gate array
  • the software module can be located in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM or any other form of storage medium known in the art.
  • a storage medium may be coupled to the processor, so that the processor can read information from the storage medium and write information to the storage medium; or the storage medium may be a component of the processor.
  • the processor and the storage medium may be located in the ASIC.
  • the software module can be stored in the memory of the mobile terminal, or can be stored in a memory card that can be inserted into the mobile terminal.
  • the software module can be stored in the MEGA-SIM card or a large-capacity flash memory device.
  • One or more of the functional blocks described in the drawings and/or one or more combinations of the functional blocks can be implemented as general-purpose processors, digital signal processors (DSPs) for performing the functions described in this application. ), application specific integrated circuit (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component or any appropriate combination thereof.
  • DSPs digital signal processors
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • One or more of the functional blocks described in the drawings and/or one or more combinations of the functional blocks can also be implemented as a combination of computing devices, for example, a combination of a DSP and a microprocessor, or multiple micro-processing Processor, one or more microprocessors in communication with the DSP, or any other such configuration.
  • a priority determination method including:
  • the terminal device determines that it needs to receive at least two downlink signals in a time unit
  • the terminal device determines the reception priority of the at least two downlink signals according to the type and/or spatial quasi co-location (QCL) information of the at least two downlink signals.
  • QCL spatial quasi co-location
  • Supplement 2 The method according to Supplement 1, wherein the spatial quasi co-location (QCL) information is configured or indicated by a network device, or is predefined.
  • QCL spatial quasi co-location
  • Appendix 3 The method according to appendix 1 or 2, wherein the downlink signal includes one of the following physical signals or physical channels: physical downlink control channel (PDCCH), physical downlink shared channel (PDSCH), physical broadcast Channel (PBCH), Channel State Information Reference Signal (CSI-RS), Tracking Reference Signal (TRS), Phase Tracking Reference Signal (PTRS), Synchronization Signal (SS).
  • PDCCH physical downlink control channel
  • PDSCH physical downlink shared channel
  • PBCH physical broadcast Channel
  • CSI-RS Channel State Information Reference Signal
  • TRS Tracking Reference Signal
  • PTRS Phase Tracking Reference Signal
  • Synchronization Signal SS
  • Supplement 4 The method according to Supplement 3, wherein the physical downlink control channel (PDCCH), the physical downlink shared channel (PDSCH) or the physical broadcast channel (PBCH) are spatially quasi co-located (QCL) )
  • Information is the spatial quasi co-location (QCL) information of the corresponding demodulation reference signal (DMRS).
  • Supplement 5 The method according to any one of Supplements 1 to 4, wherein the method further comprises:
  • the terminal device receives one or more downlink signals of the at least two downlink signals in the time unit according to the reception priority.
  • Supplement 6 The method according to any one of Supplements 1 to 5, wherein the at least two downlink signals include: a first physical downlink shared channel and a second physical downlink shared channel;
  • the terminal device determines that the reception priority of the first physical downlink shared channel is greater than or equal to the reception priority of the second physical downlink shared channel, or the terminal device preferentially receives the first physical downlink shared channel, or The terminal device determines that the priority receiving order of the signal is the first physical downlink shared channel and the second physical downlink shared channel.
  • Supplement 7 The method according to any one of Supplements 1 to 5, wherein the at least two downlink signals include: a first physical downlink control channel, a first physical downlink shared channel, and a second physical downlink shared channel;
  • the terminal device determines that the reception priority of the first physical downlink shared channel is greater than or equal to the reception priority of the second physical downlink shared channel, and the reception priority of the first physical downlink control channel is greater than or equal to the The reception priority of the first physical downlink shared channel and the second physical downlink shared channel, or the terminal device preferentially receives the first physical downlink control channel and the first physical downlink shared channel, or the terminal device It is determined that the priority receiving order of the signal is the first physical downlink control channel, the first physical downlink shared channel and the second physical downlink shared channel.
  • Appendix 8 The method according to appendix 6 or 7, wherein the demodulation reference signal (DMRS) of the first physical downlink shared channel is associated with a reference signal (monitored CORESET) associated with a control resource set to be monitored ( RS) is quasi-co-located in space.
  • DMRS demodulation reference signal
  • monitoring CORESET reference signal associated with a control resource set to be monitored
  • Appendix 9 The method according to Appendix 8, wherein the set of control resources to be monitored is a set of control resources associated with at least one search space to be monitored (monitored search space).
  • Appendix 10 The method according to Appendix 8, wherein the set of control resources to be monitored (monitored CORESET) is the control with the lowest number in all or part of the set of control resources to be monitored configured in the nearest scheduling unit Resource collection.
  • Appendix 11 The method according to Appendix 10, wherein the part of the set of control resources to be monitored includes:
  • Appendix 12 The method according to Appendix 11, wherein the predefined group of control resource sets is composed of odd-numbered control resource sets, or is composed of even-numbered control resource sets, or at least It is composed of a collection of control resources configured on a symbol.
  • Supplement 13 The method according to Supplement 11, wherein the set of implicitly determined control resources includes: a high-level parameter associated with hybrid automatic repeat feedback (HARQ-ACK) in the CORESET configuration is A set of control resources with a specific value, or a set of control resources with a specific value for a parameter in the CORESET configuration.
  • HARQ-ACK hybrid automatic repeat feedback
  • Appendix 14 The method according to appendix 6 or 7, wherein the first physical downlink shared channel is scheduled by a second physical downlink control channel (PDCCH) sent through a specific control resource set (CORESET).
  • PDCCH physical downlink control channel
  • CORESET specific control resource set
  • Supplement 15 The method according to Supplement 14, wherein the specific control resource set (CORESET) includes:
  • Supplement 16 The method according to Supplement 15, wherein the predefined group of control resource sets is composed of odd-numbered control resource sets, or is composed of even-numbered control resource sets, or at least It is composed of a collection of control resources configured on a symbol.
  • Supplement 17 The method according to Supplement 15, wherein the implicitly determined set of control resources includes: a high-level parameter associated with hybrid automatic repeat feedback (HARQ-ACK) in the CORESET configuration is A set of control resources with a specific value, or a set of control resources with a specific value for a parameter in the CORESET configuration.
  • HARQ-ACK hybrid automatic repeat feedback
  • Supplement 18 The method according to Supplement 6 or 7, wherein the downlink control information (DCI) corresponding to the first physical downlink shared channel indicates a transmission configuration indication (TCI) of the first physical downlink shared channel. )status.
  • DCI downlink control information
  • TCI transmission configuration indication
  • Supplement 19 The method according to Supplement 10, wherein the part of the control resource set to be monitored includes the control resource set of the first physical downlink control channel.
  • Supplement 20 The method according to Supplement 10, wherein the part of the control resource set to be monitored does not include the control resource set of the first physical downlink control channel.
  • Supplement 21 The method according to any one of Supplements 1 to 5, wherein the at least two downlink signals include: a first physical downlink control channel, a second physical downlink control channel, and a first physical downlink shared channel;
  • the terminal device determines that the reception priority of the first physical downlink control channel and the second physical downlink control channel are both greater than or equal to the reception priority of the first physical downlink shared channel.
  • Supplement 22 The method according to any one of Supplements 1 to 5, wherein the at least two downlink signals include: a first physical downlink control channel, a second physical downlink control channel, and a first physical downlink shared channel, The second physical downlink shared channel;
  • the terminal device determines that the reception priority of the first physical downlink control channel and the second physical downlink control channel are both greater than or equal to the reception priority of the first physical downlink shared channel and the second physical downlink shared channel level.
  • Supplement 23 The method according to any one of Supplements 1 to 5, wherein the at least two downlink signals include: a first physical downlink shared channel, a second physical downlink shared channel, and a downlink reference signal;
  • the terminal device determines that the reception priority of the first physical downlink shared channel and the second physical downlink shared channel are both greater than or equal to the reception priority of the downlink reference signal.
  • a priority determination method including:
  • the terminal device determines that at least two uplink signals need to be sent in a time unit
  • the terminal device determines the sending priority of the at least two uplink signals according to the type and/or spatial quasi co-location (QCL) information of the at least two uplink signals.
  • QCL spatial quasi co-location
  • Supplement 25 The method according to Supplement 24, wherein the spatial quasi co-location (QCL) information is configured or indicated by a network device, or is predefined.
  • QCL spatial quasi co-location
  • the uplink signal includes one of the following physical signals or physical channels: physical uplink control channel (PUCCH), physical uplink shared channel (PUSCH), sounding reference Signal (SRS), Phase Tracking Reference Signal (PTRS).
  • PUCCH physical uplink control channel
  • PUSCH physical uplink shared channel
  • SRS sounding reference Signal
  • PTRS Phase Tracking Reference Signal
  • Supplement 27 The method according to Supplement 26, wherein the spatial quasi co-location (QCL) information of the physical uplink control channel (PUCCH) or the physical uplink shared channel (PUSCH) is the corresponding demodulation reference signal (DMRS) Spatial Quasi Co-location (QCL) information.
  • QCL spatial quasi co-location
  • PUSCH physical uplink shared channel
  • DMRS demodulation reference signal
  • Supplement 28 The method according to any one of Supplements 24 to 27, wherein the method further includes:
  • the terminal device transmits one or more uplink signals of the at least two uplink signals in the time unit according to the transmission priority.
  • Supplement 29 The method according to any one of Supplements 24 to 28, wherein the at least two uplink signals include: a first physical uplink shared channel and a second physical uplink shared channel;
  • the terminal device determines that the sending priority of the first physical uplink shared channel is greater than or equal to the sending priority of the second physical uplink shared channel, or the terminal device determines that the first physical uplink shared channel is sent preferentially, Or the terminal device determines that the priority sending order is the first physical uplink shared channel and the second physical uplink shared channel.
  • Supplement 30 The method according to any one of Supplements 24 to 28, wherein the at least two uplink signals include: a first physical uplink control channel, a first physical uplink shared channel, and a second physical uplink shared channel;
  • the terminal device determines that the transmission priority of the first physical uplink shared channel is greater than or equal to the transmission priority of the second physical uplink shared channel, and the transmission priority of the first physical uplink control channel is greater than or equal to the The transmission priority of the first physical uplink shared channel and the second physical uplink shared channel, or the terminal device determines to send the first physical uplink control channel and the first physical uplink shared channel preferentially, or the terminal The device determines that the priority sending order is the first physical uplink control channel, the first physical uplink shared channel, and the second physical uplink shared channel.
  • Supplement 31 The method according to Supplement 29 or 30, wherein the first physical uplink shared channel is scheduled by a physical downlink control channel (PDCCH) sent through a specific control resource set (CORESET).
  • PDCCH physical downlink control channel
  • CORESET specific control resource set
  • Supplement 32 The method according to Supplement 31, wherein the specific control resource set (CORESET) includes:
  • Supplement 33 The method according to Supplement 32, wherein the predefined group of control resource sets is composed of odd-numbered control resource sets, or is composed of even-numbered control resource sets, or at least It is composed of a collection of control resources configured on a symbol.
  • Supplement 34 The method according to Supplement 32, wherein the set of implicitly determined control resources includes: a high-level parameter associated with hybrid automatic repeat feedback (HARQ-ACK) in the CORESET configuration is A set of control resources with a specific value, or a set of control resources with a specific value for a parameter in the CORESET configuration.
  • HARQ-ACK hybrid automatic repeat feedback
  • Supplement 35 The method according to Supplement 29 or 30, wherein the downlink control information (DCI) for scheduling the first physical uplink shared channel indicates a transmission configuration indication (TCI) of the first physical uplink shared channel. ) Status or SRS Resource Indicator (SRI).
  • DCI downlink control information
  • TCI transmission configuration indication
  • SRI SRS Resource Indicator
  • Supplement 36 The method according to any one of Supplements 24 to 28, wherein the at least two uplink signals include: a first physical uplink control channel and a second physical uplink control channel;
  • the terminal device determines that the sending priority of the first physical uplink control channel is greater than or equal to the sending priority of the second physical uplink control channel.
  • Supplement 37 The method according to Supplement 36, wherein the physical downlink control channel (PDCCH) indicating the transmission resource of the first physical uplink control channel is transmitted in a specific control resource set configured by the network device.
  • PDCCH physical downlink control channel
  • Supplement 38 The method according to Supplement 37, wherein the specific control resource set (CORESET) includes:
  • Appendix 39 The method according to Appendix 38, wherein the predefined group of control resource sets is composed of odd-numbered control resource sets, or is composed of even-numbered control resource sets, or at least It is composed of a collection of control resources configured on a symbol.
  • Supplement 40 The method according to Supplement 38, wherein the implicitly determined set of control resources includes: a high-level parameter associated with hybrid automatic repeat feedback (HARQ-ACK) in the CORESET configuration is A set of control resources with a specific value, or a set of control resources with a specific value for a parameter in the CORESET configuration.
  • HARQ-ACK hybrid automatic repeat feedback
  • Supplement 41 The method according to any one of Supplements 24 to 28, wherein the at least two uplink signals include: a first physical uplink control channel, a second physical uplink control channel, and a first physical uplink shared channel;
  • the terminal device determines that the transmission priority of the first physical uplink control channel and the second physical uplink control channel are both greater than or equal to the transmission priority of the first physical uplink shared channel.
  • Supplement 42 The method according to any one of Supplements 24 to 28, wherein the at least two uplink signals include: a first physical uplink control channel, a second physical uplink control channel, and a first physical uplink shared channel, The second physical uplink shared channel;
  • the terminal device determines that the transmission priority of the first physical uplink control channel and the second physical uplink control channel are both greater than or equal to the transmission priority of the first physical uplink shared channel and the second physical uplink shared channel level.
  • Supplement 43 The method according to any one of Supplements 24 to 28, wherein the at least two uplink signals include: a first physical uplink shared channel, a second physical uplink shared channel, and an uplink reference signal;
  • the terminal device determines that the transmission priority of the first physical uplink shared channel and the second physical uplink shared channel are both greater than or equal to the transmission priority of the uplink reference signal.
  • a method for receiving downlink signals including:
  • the terminal equipment needs to receive at least two downlink signals in a scheduling unit,
  • the terminal device does not expect the resources of at least two downlink signals to overlap in a time unit, or the terminal device does not expect the resources of at least two downlink signals with different spatial quasi co-location (QCL) information to overlap in a time unit .
  • QCL spatial quasi co-location
  • Supplement 45 The method according to Supplement 44, wherein the spatial quasi co-location (QCL) information is configured or indicated by a network device, or is predefined.
  • QCL spatial quasi co-location
  • the downlink signal includes one of the following physical signals or physical channels: physical downlink control channel (PDCCH), physical downlink shared channel (PDSCH), physical broadcast Channel (PBCH), Channel State Information Reference Signal (CSI-RS), Tracking Reference Signal (TRS), Phase Tracking Reference Signal (PT-RS), Synchronization Signal (SS).
  • PDCCH physical downlink control channel
  • PDSCH physical downlink shared channel
  • PBCH physical broadcast Channel
  • CSI-RS Channel State Information Reference Signal
  • TRS Tracking Reference Signal
  • PT-RS Phase Tracking Reference Signal
  • Synchronization Signal SS
  • Supplement 47 The method according to Supplement 46, wherein the physical downlink control channel (PDCCH), the physical downlink shared channel (PDSCH) or the physical broadcast channel (PBCH) are spatially quasi co-located (QCL) )
  • Information is the spatial quasi co-location (QCL) information of the corresponding demodulation reference signal (DMRS).
  • Supplement 48 The method according to any one of Supplements 44 to 47, wherein the at least two downlink signals include: a first physical downlink control shared channel and a first physical downlink shared channel;
  • the first physical downlink control channel the first physical downlink shared channel, and the second physical downlink shared channel.
  • a priority determination method including:
  • the terminal device determines that it needs to monitor at least two control resource sets (CORESET) in a time unit;
  • the terminal device determines the monitoring priority of the at least two control resource sets (CORESET) according to the search space and/or spatial quasi co-location information configured by the at least two control resource sets (CORESET).
  • Supplement 50 The method according to Supplement 49, wherein the at least two control resource sets (CORESET) include: a first control resource set (CORESET) configured with a UE-specific search space (USS) and a first control resource set (CORESET) configured with a UE The second control resource set (CORESET) of the specific search space (USS);
  • the terminal device determines that the monitoring priority of the first control resource set (CORESET) is greater than or equal to the monitoring priority of the second control resource set (CORESET), or the terminal device determines to preferentially monitor the first control The resource set (CORESET), or the terminal device determines that the monitoring priority order is the first control resource set (CORESET) and the second control resource set (CORESET).
  • Supplement 51 The method according to Supplement 50, wherein the first control resource set is a set of multiple (for example, all) to-be-monitored control resource sets configured in the most recent scheduling unit, which has the lowest number and is configured with A set of control resources for the UE-specific search space (USS).
  • the first control resource set is a set of multiple (for example, all) to-be-monitored control resource sets configured in the most recent scheduling unit, which has the lowest number and is configured with A set of control resources for the UE-specific search space (USS).
  • Supplement 52 The method according to Supplement 50, wherein the at least two control resource sets (CORESET) further comprise: a third control resource set (CORESET) configured with a common search space (CSS);
  • CRS common search space
  • the terminal device also determines that the monitoring priority of the third control resource set (CORESET) is greater than or equal to the monitoring priorities of the first control resource set (CORESET) and the second control resource set (CORESET), or The terminal device determines to preferentially monitor the third control resource set (CORESET) and the first control resource set (CORESET), or the terminal device determines that the monitoring priority order is the third control resource set (CORESET), The first control resource set (CORESET) and the second control resource set (CORESET).
  • Appendix 53 The method according to appendix 52, wherein the first control resource set (CORESET) is the control resource set with the lowest number among the partial control resource sets to be monitored configured in the nearest scheduling unit, wherein The part of the set of control resources to be monitored includes the third set of control resources.
  • CORESET the first control resource set
  • Supplement 54 The method according to Supplement 52, wherein the first control resource set (CORESET) is the control resource set with the lowest number among the partial control resource sets to be monitored configured in the nearest scheduling unit, wherein The part of the set of control resources to be monitored does not include the third set of control resources.
  • CORESET the first control resource set
  • Supplement 55 The method according to Supplement 53 or 54, wherein the multiple control resource sets configured in the nearest scheduling unit are divided into at least two groups, and each group of resource control sets is configured with the same transmission configuration Indication (TCI) status; the part of the set of control resources to be monitored is one of the at least two groups.
  • TCI transmission configuration Indication
  • the at least two control resource sets include: a first control resource set (CORESET) configured with a UE-specific search space (USS) and/or configuration A second control resource set (CORESET) with a UE specific search space (USS), a third control resource set (CORESET) with a common search space (CSS), and a fourth control resource set with a common search space (CSS) (CORESET),
  • the terminal device determines that the monitoring priorities of the third control resource set (CORESET) and the fourth control resource set (CORESET) are greater than or equal to the first control resource set (CORESET) and/or the second control resource set (CORESET). Control the monitoring priority of the resource collection (CORESET).
  • a resource allocation method including:
  • Network equipment explicitly configures or instructs two or more sets of control resources through high-level signaling or physical layer signaling, or determines two or more sets of control resources in a predefined way, or network equipment
  • the parameters configured or indicated through high-layer signaling or physical layer signaling are implicitly configured or indicated two or more sets of control resources.
  • Supplement 58 The method according to Supplement 57, wherein the predefined manner includes: predefining an odd-numbered control resource set as a group, or predefining an even-numbered control resource set as a group , Or predefine the control resource set configured on at least one symbol into a group.
  • Supplement 59 The method according to Supplement 57, wherein the implicitly configuring or indicating two or more control resource sets includes: CORESET configuration is related to hybrid automatic repeat feedback information (HARQ-ACK)
  • HARQ-ACK hybrid automatic repeat feedback information
  • Supplement 60 The method according to any one of Supplements 57 to 59, wherein two or more control resource sets in a group of resource control sets are configured with the same transmission configuration indication (TCI) state.
  • TCI transmission configuration indication
  • a priority determination method including:
  • the network device determines that at least two downlink signals need to be sent in a time unit
  • the network device determines the sending priority of the at least two downlink signals according to the type and/or spatial quasi co-location (QCL) information of the at least two downlink signals.
  • QCL spatial quasi co-location
  • a priority determination method including:
  • the network device determines that it needs to receive at least two uplink signals in a time unit
  • the network device determines the reception priority of the at least two uplink signals according to the type and/or spatial quasi co-location (QCL) information of the at least two uplink signals.
  • QCL spatial quasi co-location
  • Appendix 63 A terminal device, comprising a memory and a processor, the memory storing a computer program, and the processor is configured to execute the computer program to achieve such as any one of appendix 1 to 43, 49 to 56 The priority determination method described in item 1 or the downlink signal receiving method described in any one of appendix 44 to 48.
  • a network device comprising a memory and a processor, the memory storing a computer program, and the processor is configured to execute the computer program to implement the resource as described in any one of Supplements 57 to 60 Configuration method or priority determination method as described in appendix 61 or 62.
  • a communication system including:
  • a terminal device configured to execute the priority determination method described in any one of appendix 1 to 43 and 49 to 56 or the downlink signal receiving method described in any one of appendix 44 to 48;
  • a network device configured to execute the resource configuration method described in any one of Supplements 57 to 60 or the priority determination method described in Supplement 61 or 62.

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

Abstract

Les modes de réalisation de la présente invention concernent un procédé et un appareil de détermination de priorité. Le procédé consiste : à déterminer, par un dispositif terminal, qu'au moins deux signaux de liaison descendante doivent être reçus dans une unité de temps ; et à déterminer, en fonction des types et/ou des informations de quasi-co-localisation spatiale desdits deux signaux de liaison descendante, des priorités de réception desdits deux signaux de liaison descendante. Par conséquent, un émetteur et un récepteur peuvent atteindre un accord sur les priorités d'au moins deux signaux, ce qui permet de réduire et même d'éviter des erreurs de réception de signal.
PCT/CN2019/107012 2019-09-20 2019-09-20 Procédé et appareil de détermination de priorité Ceased WO2021051392A1 (fr)

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CN115333671A (zh) * 2021-05-11 2022-11-11 大唐移动通信设备有限公司 物理下行控制信道的监测方法、装置、设备以及存储介质
CN113767695A (zh) * 2021-08-05 2021-12-07 北京小米移动软件有限公司 通信方法、装置和存储介质
WO2023131558A1 (fr) * 2022-01-05 2023-07-13 Nokia Technologies Oy Appareil et procédé de gestion de faisceau intercellulaire
CN117015039A (zh) * 2023-09-28 2023-11-07 武汉世炬信息技术有限公司 数据传输方法及系统
CN117015039B (zh) * 2023-09-28 2024-02-06 武汉世炬信息技术有限公司 数据传输方法及系统

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