WO2022152052A1 - Procédé et appareil de transmission de pdcch, terminal et dispositif côté réseau - Google Patents

Procédé et appareil de transmission de pdcch, terminal et dispositif côté réseau Download PDF

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Publication number
WO2022152052A1
WO2022152052A1 PCT/CN2022/070715 CN2022070715W WO2022152052A1 WO 2022152052 A1 WO2022152052 A1 WO 2022152052A1 CN 2022070715 W CN2022070715 W CN 2022070715W WO 2022152052 A1 WO2022152052 A1 WO 2022152052A1
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WO
WIPO (PCT)
Prior art keywords
transmission
pdcch
time slot
repeated
opportunity
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PCT/CN2022/070715
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English (en)
Chinese (zh)
Inventor
宋磊
苏昕
高秋彬
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大唐移动通信设备有限公司
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Publication of WO2022152052A1 publication Critical patent/WO2022152052A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames

Definitions

  • the present disclosure relates to the field of wireless technologies, and in particular, to a physical downlink control channel PDCCH transmission method, apparatus, terminal, and network side equipment.
  • PDCCH Physical Downlink Control Channel
  • Physical Downlink Control Channel Physical Downlink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • the number of repetitions of PDCCH configuration is less than that of PDSCH or PUSCH repeated transmission.
  • the number of transmissions will be 1, which affects the reliability of PDCCH transmission.
  • the PDCCH transmission resources of different time slots may be different.
  • the transmission resources occupied by the two time slots are the same, which may lead to a certain
  • the PDCCH transmitted in the time slot is not in the state to be monitored, that is, the terminal will not monitor it, which also affects the reliability of PDCCH transmission.
  • the purpose of the present disclosure is to provide a physical downlink control channel PDCCH transmission method, apparatus, terminal, and network side equipment, which are used to realize reliable transmission when the number of repeated transmissions of the PDCCH is greater than 1.
  • an embodiment of the present disclosure provides a PDCCH transmission method, which is applied to a terminal, wherein the method includes:
  • the configuration information determine the time slots of at least two transmission occasions for the repeated transmission of the PDCCH and the transmission resources of the time slot where each transmission occasion is located;
  • the transmission resources of the time slots are used to monitor the transmission of the PDCCH.
  • the configuration information includes signaling for indicating repeated transmission of PDCCH between time slots and/or transmission configuration for repeated transmission of PDCCH.
  • the transmission configuration includes at least one of the following:
  • the transmission resources configured by the network side equipment
  • the transmission resources include at least one of a control resource set CORESET, a search space set SS set and PDCCH candidate resources.
  • the configuration information when the configuration information includes a time slot where a transmission opportunity of the PDCCH repeated transmission is located in each transmission period, at least two PDCCH repeated transmissions are determined according to the configuration information.
  • the time slot of the transmission opportunity including:
  • the configuration information includes the time slot where the kth transmission opportunity of the PDCCH repeated transmission is located in each transmission period, then determine that the time slot where the kth transmission opportunity is located is the time slot indicated in the configuration information, and use the following One way to determine the time slot where other transmission opportunities are located:
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located
  • the time slot where the other transmission opportunities are located is the previous time slot or the next time slot of the time slot where the kth transmission opportunity is located;
  • the time slots where other transmission opportunities are located include k-1 available time slots before the time slot where the kth transmission opportunity is located and K-k available time slots after the time slot where the kth transmission opportunity is located; where K is the maximum repetition of PDCCH repeated transmissions The number of transmissions, where k is greater than or equal to 1 and less than or equal to K.
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located.
  • the method further comprises: when a time slot where a transmission opportunity of the PDCCH repeated transmission indicated by the configuration information is located is an unavailable time slot, determining that the time slot indicated by the configuration information One of the transmission occasions is transmitted on the other transmission occasion or the time slot in which the other transmission occasion is located.
  • the configuration information includes the first time slot of the PDCCH repeated transmission within a preset time period, or includes the location of the first transmission opportunity of the PDCCH repeated transmission within the preset time period.
  • determine the time slots of at least two transmission occasions for the repeated transmission of the PDCCH including:
  • every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH; wherein, K is the maximum repeated transmission times of the PDCCH repeated transmission.
  • the PDCCH transmission method wherein determining the first time slot or an available time slot within a preset time period after the time slot where the first transmission opportunity is located, includes:
  • SFI indication or PDCCH transmission resources determine the available time slots that can be used for PDCCH repeated transmission within the time range.
  • the described PDCCH transmission method wherein, the relevant configuration information of the first time slot or the time slot where the first transmission opportunity is located includes at least one of the following:
  • the time slot or symbol interval between each repeated transmission is the time slot or symbol interval between each repeated transmission.
  • the PDCCH transmission method wherein, in the case where the network side device does not configure the terminal monitoring time slot format indication SFI to indicate the DCI signaling, the available time slot is indicated by the high-level signaling within a preset time period.
  • the PDCCH in the time slot transmits the downlink time slot with the same PDCCH transmission resources;
  • the available time slot is the downlink time slot indicated by the high-level signaling within the preset time period
  • the flexible and preset time slot indicated by the high-level signaling can be used for A time slot for PDCCH transmission, a flexible time slot indicated by higher layer signaling and indicated by the SFI as a time slot with downlink symbols, a downlink time slot with an SS set to be monitored, or a time slot or transmission indicated for the transmission configuration
  • the PDCCH in the time slot where the opportunity is located transmits the downlink time slot with the same PDCCH transmission resources.
  • determining that in the available time slots, every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH including:
  • the time slot occupied by each repeated transmission is determined according to the number of repetitions K of transmission required for each repeated transmission, and each K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for one transmission occasion
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity
  • the transmission resource configured by the network side device is the transmission resource configured for the repeated transmission of the PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resources of different transmission occasions used for PDCCH repeated transmission are the same;
  • the transmission resources used for different transmission occasions of PDCCH repeated transmission are different.
  • the PDCCH transmission method wherein, according to the configuration information, determining the transmission resources of the time slot where each transmission opportunity of the PDCCH repeated transmission is located includes at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity, determine the transmission resource of the time slot where each transmission opportunity is located according to the configuration information;
  • the configuration information includes the association relationship between the transmission resources of different transmission opportunities used for the repeated transmission of the PDCCH, according to the the transmission resources of the first transmission opportunity configured in the configuration information and the association relationship, and determine the transmission resources corresponding to the time slot where the second transmission opportunity is located, wherein the first transmission opportunity and the second transmission opportunity are different transmission timing.
  • the PDCCH transmission method wherein the method further includes:
  • the corresponding transmission resource is determined to be used for PDCCH transmission.
  • the method when the transmission configuration includes a time slot where a transmission opportunity of PDCCH repeated transmission is located in each transmission period, the method further includes:
  • the transmission indication information includes at least one of the following:
  • the configuration information is indicated by at least one of higher layer signaling, medium access control layer control unit MAC CE signaling and downlink control information DCI signaling.
  • the embodiment of the present disclosure further provides another PDCCH transmission method, which is applied to a network side device, wherein the method includes:
  • the configuration information determine the time slots of at least two transmission occasions for the repeated transmission of the PDCCH and the transmission resources of the time slot where each transmission occasion is located;
  • the transmission resources of the time slots are used to transmit the PDCCH.
  • the configuration information includes signaling for indicating repeated transmission of PDCCH between time slots and/or transmission configuration for repeated transmission of PDCCH.
  • the transmission configuration includes at least one of the following:
  • the transmission resources configured by the network side equipment
  • the transmission resources include at least one of a control resource set CORESET, a search space set SS set and PDCCH candidate resources.
  • the configuration information when the configuration information includes a time slot where a transmission opportunity of the PDCCH repeated transmission is located in each transmission period, at least two PDCCH repeated transmissions are determined according to the configuration information.
  • the time slot of the transmission opportunity including:
  • the configuration information includes the time slot where the kth transmission opportunity of the PDCCH repeated transmission is located in each transmission period, then determine that the time slot where the kth transmission opportunity is located is the time slot indicated in the configuration information, and use the following One way to determine the time slot where other transmission opportunities are located:
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located
  • the time slot where the other transmission opportunities are located is the previous time slot or the next time slot of the time slot where the kth transmission opportunity is located;
  • the time slots where other transmission opportunities are located include k-1 available time slots before the time slot where the kth transmission opportunity is located and K-k available time slots after the time slot where the kth transmission opportunity is located; where K is the maximum repetition of PDCCH repeated transmissions The number of transmissions, where k is greater than or equal to 1 and less than or equal to K.
  • the time slot where other transmission opportunities are located is the time slot where the kth transmission opportunity is located.
  • the method further comprises: when a time slot where a transmission opportunity of the PDCCH repeated transmission indicated by the configuration information is located is an unavailable time slot, determining that the time slot indicated by the configuration information One of the transmission occasions is transmitted on the other transmission occasion or the time slot in which the other transmission occasion is located.
  • the configuration information includes the first time slot of the PDCCH repeated transmission within a preset time period, or includes the location of the first transmission opportunity of the PDCCH repeated transmission within the preset time period.
  • determine the time slots of at least two transmission occasions for the repeated transmission of the PDCCH including:
  • every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH; wherein, K is the maximum repeated transmission times of the PDCCH repeated transmission.
  • the PDCCH transmission method wherein determining the first time slot or an available time slot within a preset time period after the time slot where the first transmission opportunity is located, includes:
  • SFI indication or PDCCH transmission resources determine the available time slots that can be used for PDCCH repeated transmission within the time range.
  • the described PDCCH transmission method wherein, the relevant configuration information of the first time slot or the time slot where the first transmission opportunity is located includes at least one of the following:
  • the time slot or symbol interval between each repeated transmission is the time slot or symbol interval between each repeated transmission.
  • the PDCCH transmission method wherein, in the case where the network side device does not configure the terminal monitoring time slot format indication SFI to indicate the DCI signaling, the available time slot is indicated by the high-level signaling within a preset time period.
  • the PDCCH in the time slot transmits the downlink time slot with the same PDCCH transmission resources;
  • the available time slot is the downlink time slot indicated by the high-level signaling within the preset time period
  • the flexible and preset time slot indicated by the high-level signaling can be used for A time slot for PDCCH transmission, a flexible time slot indicated by higher layer signaling and indicated by the SFI as a time slot with downlink symbols, a downlink time slot with an SS set to be monitored, or a time slot or transmission indicated for the transmission configuration
  • the PDCCH in the time slot where the opportunity is located transmits the downlink time slot with the same PDCCH transmission resources.
  • determining that in the available time slots, every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH including:
  • the time slot occupied by each repeated transmission is determined according to the number of transmission repetitions K required for each repeated transmission, and each K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for one transmission occasion
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity
  • the transmission resource configured by the network side device is the transmission resource configured for the repeated transmission of the PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resources of different transmission occasions used for PDCCH repeated transmission are the same;
  • the transmission resources used for different transmission occasions of PDCCH repeated transmission are different.
  • the PDCCH transmission method wherein, according to the configuration information, determining the transmission resources of the time slot where each transmission opportunity of the PDCCH repeated transmission is located includes at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity, determine the transmission resource of the time slot where each transmission opportunity is located according to the configuration information;
  • the configuration information includes the association relationship between the transmission resources of different transmission opportunities used for the repeated transmission of the PDCCH, according to the the transmission resources of the first transmission opportunity configured in the configuration information and the association relationship, and determine the transmission resources corresponding to the time slot where the second transmission opportunity is located, wherein the first transmission opportunity and the second transmission opportunity are different transmission timing.
  • the PDCCH transmission method wherein the method further includes:
  • the corresponding transmission resource is determined to be used for PDCCH transmission.
  • the method when the transmission configuration includes a time slot where a transmission opportunity of the PDCCH repeated transmission is located in each transmission period, the method further includes:
  • the transmission indication information includes at least one of the following:
  • the configuration information is indicated by at least one of higher layer signaling, medium access control layer control unit MAC CE signaling and DCI signaling.
  • An embodiment of the present disclosure further provides a terminal, including: a transceiver, a memory, a processor, and a computer program stored on the memory and executable on the processor; wherein,
  • the transceiver is configured to receive configuration information sent by the network side device for repeated transmission of the PDCCH between time slots;
  • the processor is used to read the program in the memory, and execute the following processes;
  • the configuration information determine the time slots of at least two transmission occasions for the repeated transmission of the PDCCH and the transmission resources of the time slot where each transmission occasion is located;
  • the transmission resources of the time slots are used to monitor the transmission of the PDCCH.
  • the configuration information includes signaling for indicating repeated transmission of PDCCH between time slots and/or transmission configuration for repeated transmission of PDCCH.
  • the terminal wherein the transmission configuration includes at least one of the following:
  • the transmission resources configured by the network side equipment
  • the terminal wherein the transmission resource includes at least one of a control resource set CORESET, a search space set SS set and a PDCCH candidate resource.
  • the terminal when the configuration information includes a time slot where one transmission opportunity of the PDCCH repeated transmission is located in each transmission period, at least two transmission opportunities of the PDCCH repeated transmission are determined according to the configuration information time slots, including:
  • the configuration information includes the time slot where the kth transmission opportunity of the PDCCH repeated transmission is located in each transmission period, then determine that the time slot where the kth transmission opportunity is located is the time slot indicated in the configuration information, and use the following One way to determine the time slot where other transmission opportunities are located:
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located
  • the time slot where the other transmission opportunities are located is the previous time slot or the next time slot of the time slot where the kth transmission opportunity is located;
  • the time slots where other transmission opportunities are located include k-1 available time slots before the time slot where the kth transmission opportunity is located and K-k available time slots after the time slot where the kth transmission opportunity is located; where K is the maximum repetition of PDCCH repeated transmissions The number of transmissions, where k is greater than or equal to 1 and less than or equal to K.
  • the terminal wherein,
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located.
  • the processor is further configured to: when the time slot in which a transmission opportunity of the PDCCH repeated transmission indicated by the configuration information is located is an unavailable time slot, determine that the time slot indicated by the configuration information One of the transmission occasions is transmitted on the other transmission occasion or the time slot in which the other transmission occasion is located.
  • the terminal wherein the configuration information includes the first time slot of the PDCCH repeated transmission within a preset time period, or includes the time slot where the first transmission opportunity of the PDCCH repeated transmission within the preset time period is located.
  • the processor determines, according to the configuration information, the time slots of at least two transmission occasions for the repeated transmission of the PDCCH, including:
  • every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH; wherein, K is the maximum repeated transmission times of the PDCCH repeated transmission.
  • the terminal wherein the processor determines the first time slot or an available time slot within a preset time period after the time slot where the first transmission opportunity is located, including:
  • SFI indication or PDCCH transmission resources determine the available time slots that can be used for PDCCH repeated transmission within the time range.
  • the terminal wherein, the relevant configuration information of the first time slot or the time slot where the first transmission opportunity is located includes at least one of the following:
  • the time slot or symbol interval between each repeated transmission is the time slot or symbol interval between each repeated transmission.
  • the terminal wherein, in the case where the network side device is not configured to monitor the time slot format to indicate that the SFI indicates the DCI signaling, the available time slot is the downlink indicated by the high-level signaling within the preset time period. Timeslots, flexible and pre-configured timeslots indicated by higher layer signaling that can be used for PDCCH transmission, downlink timeslots with SS sets to be monitored, or timeslots or transmission opportunities indicated by the transmission configuration
  • the PDCCH of the slot transmits the downlink time slot with the same PDCCH transmission resource;
  • the available time slot is the downlink time slot indicated by the high-level signaling within the preset time period
  • the flexible and preset time slot indicated by the high-level signaling can be used for A time slot for PDCCH transmission, a flexible time slot indicated by higher layer signaling and indicated by the SFI as a time slot with downlink symbols, a downlink time slot with an SS set to be monitored, or a time slot or transmission indicated for the transmission configuration
  • the PDCCH in the time slot where the opportunity is located transmits the downlink time slot with the same PDCCH transmission resources.
  • the terminal wherein the processor determines that in the available time slots, every K consecutive available time slots are respectively used to transmit K repeated transmissions of a PDCCH, including:
  • the time slot occupied by each repeated transmission is determined according to the number of repetitions K of transmission required for each repeated transmission, and each K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for one transmission occasion
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity
  • the transmission resource configured by the network side device is the transmission resource configured for the repeated transmission of the PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resources of different transmission occasions used for PDCCH repeated transmission are the same;
  • the transmission resources used for different transmission occasions of PDCCH repeated transmission are different.
  • the terminal wherein the processor determines, according to the configuration information, that the transmission resources of the time slot where each transmission opportunity of the PDCCH repeated transmission is located include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity, determine the transmission resource of the time slot where each transmission opportunity is located according to the configuration information;
  • the configuration information includes the association relationship between the transmission resources of different transmission opportunities used for the repeated transmission of the PDCCH, according to the the transmission resources of the first transmission opportunity configured in the configuration information and the association relationship, and determine the transmission resources corresponding to the time slot where the second transmission opportunity is located, wherein the first transmission opportunity and the second transmission opportunity are different transmission timing.
  • the terminal wherein the processor is further configured to:
  • the corresponding transmission resource is determined to be used for PDCCH transmission.
  • the processor when the transmission configuration includes a time slot where a transmission opportunity of the PDCCH repeated transmission is located in each transmission period, the processor is further configured to:
  • the transmission indication information includes at least one of the following:
  • the terminal wherein the configuration information is indicated by at least one of high layer signaling, medium access control layer control unit MAC CE signaling and downlink control information DCI signaling.
  • An embodiment of the present disclosure further provides a network-side device, including: a transceiver, a memory, a processor, and a computer program stored in the memory and running on the processor; wherein,
  • the transceiver is configured to send configuration information for repeated transmission of the PDCCH between time slots to the terminal;
  • the processor is configured to, according to the configuration information, determine the time slots of at least two transmission occasions in which the PDCCH is repeatedly transmitted and the transmission resources of the time slot where each transmission occasion is located;
  • the transmission resources of the time slots are used to transmit the PDCCH.
  • the configuration information includes signaling for indicating repeated transmission of PDCCH between time slots and/or transmission configuration for repeated transmission of PDCCH.
  • the network side device wherein the transmission configuration includes at least one of the following:
  • the transmission resources configured by the network side equipment
  • the transmission resources include at least one of a control resource set CORESET, a search space set SS set and PDCCH candidate resources.
  • the configuration information includes a time slot where one transmission opportunity of the PDCCH repeated transmission is located in each transmission period, according to the configuration information, at least two PDCCH repeated transmissions are determined.
  • the time slot of the transmission opportunity including:
  • the configuration information includes the time slot where the kth transmission opportunity of the PDCCH repeated transmission is located in each transmission period, then determine that the time slot where the kth transmission opportunity is located is the time slot indicated in the configuration information, and use the following One way to determine the time slot where other transmission opportunities are located:
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located
  • the time slot where the other transmission opportunities are located is the previous time slot or the next time slot of the time slot where the kth transmission opportunity is located;
  • the time slots where other transmission opportunities are located include k-1 available time slots before the time slot where the kth transmission opportunity is located and K-k available time slots after the time slot where the kth transmission opportunity is located; where K is the maximum repetition of PDCCH repeated transmissions The number of transmissions, where k is greater than or equal to 1 and less than or equal to K.
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located.
  • the processor is further configured to: determine the configuration information when a time slot where a transmission opportunity of the PDCCH repeated transmission indicated by the configuration information is located is an unavailable time slot The indicated one transmission occasion is transmitted on the other transmission occasion or the time slot in which the other transmission occasion is located.
  • the network side device wherein the configuration information includes the first time slot of the PDCCH repeated transmission within a preset time period, or includes the location of the first transmission opportunity of the PDCCH repeated transmission within the preset time period.
  • the processor determines, according to the configuration information, the time slots of at least two transmission occasions for the repeated transmission of the PDCCH, including:
  • every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH; wherein, K is the maximum repeated transmission times of the PDCCH repeated transmission.
  • the processor determines the first time slot or an available time slot within a preset time period after the time slot where the first transmission opportunity is located, including:
  • SFI indication or PDCCH transmission resources determine the available time slots that can be used for PDCCH repeated transmission within the time range.
  • the network side device wherein, the relevant configuration information of the first time slot or the time slot where the first transmission opportunity is located includes at least one of the following:
  • the time slot or symbol interval between each repeated transmission is the time slot or symbol interval between each repeated transmission.
  • the available time slot is indicated by high-level signaling within a preset time period.
  • downlink time slot flexible and pre-configured time slot indicated by higher layer signaling that can be used for PDCCH transmission, downlink time slot with SS set to be monitored, or time slot or transmission opportunity indicated for the transmission configuration
  • the PDCCH in the time slot transmits the downlink time slot with the same PDCCH transmission resources;
  • the available time slot is the downlink time slot indicated by the high-level signaling within the preset time period
  • the flexible and preset time slot indicated by the high-level signaling can be used for A time slot for PDCCH transmission, a flexible time slot indicated by higher layer signaling and indicated by the SFI as a time slot with downlink symbols, a downlink time slot with an SS set to be monitored, or a time slot or transmission indicated for the transmission configuration
  • the PDCCH in the time slot where the opportunity is located transmits the downlink time slot with the same PDCCH transmission resources.
  • the processor determines that in the available time slots, every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH, including:
  • the time slot occupied by each repeated transmission is determined according to the number of repetitions K of transmission required for each repeated transmission, and each K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for one transmission occasion
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity
  • the transmission resource configured by the network side device is the transmission resource configured for the repeated transmission of the PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resources of different transmission occasions used for PDCCH repeated transmission are the same;
  • the transmission resources used for different transmission occasions of PDCCH repeated transmission are different.
  • the processor determines, according to the configuration information, that the transmission resources of the time slot where each transmission opportunity of the PDCCH repeated transmission is located include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity, determine the transmission resource of the time slot where each transmission opportunity is located according to the configuration information;
  • the configuration information includes the association relationship between the transmission resources of different transmission opportunities used for the repeated transmission of the PDCCH, according to the the transmission resources of the first transmission opportunity configured in the configuration information and the association relationship, and determine the transmission resources corresponding to the time slot where the second transmission opportunity is located, wherein the first transmission opportunity and the second transmission opportunity are different transmission timing.
  • the processor is further configured to:
  • the corresponding transmission resource is determined to be used for PDCCH transmission.
  • the method when the transmission configuration includes a time slot where a transmission opportunity of the PDCCH repeated transmission is located in each transmission period, the method further includes:
  • the transmission indication information includes at least one of the following:
  • the configuration information is indicated by at least one of high layer signaling, medium access control layer control unit MAC CE signaling and DCI signaling.
  • An embodiment of the present disclosure further provides a PDCCH transmission apparatus, which is applied to a terminal, wherein the apparatus includes:
  • an information receiving unit configured to receive configuration information sent by the network side device for repeated transmission of the PDCCH between time slots
  • a first processing unit configured to determine, according to the configuration information, the time slots of at least two transmission occasions in which the PDCCH is repeatedly transmitted and the transmission resources of the time slot where each transmission occasion is located;
  • a monitoring unit configured to monitor the transmission of the PDCCH on the time slots of the at least two transmission occasions by using the transmission resources of the time slots in which the time slots are located.
  • An embodiment of the present disclosure further provides a PDCCH transmission apparatus, which is applied to a network side device, wherein the apparatus includes:
  • an information sending unit configured to send configuration information for repeated transmission of the PDCCH between time slots to the terminal;
  • a second processing unit configured to determine, according to the configuration information, the time slots of at least two transmission occasions for repeated transmission of the PDCCH and the transmission resources of the time slot where each transmission occasion is located;
  • a transmission unit configured to transmit the PDCCH on the time slots of the at least two transmission occasions by using the transmission resources of the time slots.
  • An embodiment of the present disclosure further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to cause the processor to execute the PDCCH according to any one of the above transfer method.
  • the terminal can determine the time slots of at least two transmission occasions and each transmission occasion of the PDCCH repeated transmission according to the configuration information for the repeated transmission of PDCCH between time slots sent by the network side device.
  • the transmission resources of the time slot, the transmission resources of the time slot are used to monitor the transmission of PDCCH, so as to be able to adapt to the situation that the number of repeated transmissions is greater than 1 when the network equipment configures the terminal to perform repeated transmission of PDCCH between time slots to ensure the reliability of PDCCH transmission. sex.
  • FIG. 1 is a schematic diagram of a system architecture using the PDCCH transmission method according to the embodiment of the present disclosure
  • FIG. 2 is a schematic flowchart of a PDCCH transmission method according to an embodiment of the present disclosure
  • FIG. 3 is one of the schematic diagrams of time slots using the PDCCH transmission method according to the embodiment of the present disclosure
  • FIG. 4 is a second schematic diagram of a time slot using the PDCCH transmission method according to the embodiment of the present disclosure
  • FIG. 5 is a third schematic diagram of a time slot using the PDCCH transmission method according to the embodiment of the present disclosure.
  • FIG. 6 is a fourth schematic diagram of a time slot using the PDCCH transmission method according to the embodiment of the present disclosure.
  • FIG. 7 is a fifth schematic diagram of a time slot using the PDCCH transmission method according to the embodiment of the present disclosure.
  • FIG. 8 is a sixth schematic diagram of a time slot using the PDCCH transmission method according to the embodiment of the present disclosure.
  • FIG. 9 is a schematic flowchart of a PDCCH transmission method according to another embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of a network side device according to an embodiment of the disclosure.
  • FIG. 12 is a schematic structural diagram of a PDCCH transmission apparatus according to an embodiment of the disclosure.
  • FIG. 13 is a schematic structural diagram of a PDCCH transmission apparatus according to another embodiment of the disclosure.
  • the term “plurality” refers to two or more than two, and other quantifiers are similar.
  • Embodiments of the present disclosure provide a PDCCH transmission method and apparatus, which are used to realize reliable transmission when the number of PDCCH repeated transmission times is greater than 1.
  • the method and the device are conceived based on the same application. Since the principles of the method and the device for solving the problem are similar, the implementation of the device and the method can be referred to each other, and repeated descriptions will not be repeated here.
  • the applicable system may be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) general packet Wireless service (general packet radio service, GPRS) system, long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system, Long term evolution advanced (LTE-A) system, universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G New Radio (New Radio, NR) system, etc.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband Code Division Multiple Access
  • General packet Wireless service general packet Radio service
  • GPRS general packet Wireless service
  • LTE long term evolution
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD time division duplex
  • LTE-A Long term evolution advanced
  • FIG. 1 is a schematic diagram of the architecture of a wireless communication system using the PDCCH transmission method according to the embodiment of the present disclosure.
  • the connection between the above-mentioned various devices may be wireless connection.
  • a solid line is used in FIG. 1 for illustration.
  • the terminal device involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing device connected to a wireless modem.
  • the name of the terminal device may be different.
  • the terminal device may be called user equipment (User Equipment, UE).
  • Wireless terminal equipment can communicate with one or more core networks (Core Network, CN) via a radio access network (Radio Access Network, RAN).
  • RAN Radio Access Network
  • "telephone) and computers with mobile terminal equipment eg portable, pocket-sized, hand-held, computer-built or vehicle-mounted mobile devices, which exchange language and/or data with the radio access network.
  • Wireless terminal equipment may also be referred to as system, subscriber unit, subscriber station, mobile station, mobile station, remote station, access point , a remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), and a user device (user device), which are not limited in the embodiments of the present disclosure.
  • the network side device involved in the embodiments of the present disclosure may be a base station, and the base station may include a plurality of cells providing services for the terminal.
  • the base station may also be called an access point, or may be a device in the access network that communicates with wireless terminal equipment through one or more sectors on the air interface, or other names.
  • the network device can be used to exchange received air frames with Internet Protocol (IP) packets, and act as a router between the wireless terminal device and the rest of the access network, which can include the Internet. Protocol (IP) communication network.
  • IP Internet Protocol
  • the network equipment may also coordinate attribute management of the air interface.
  • the network device involved in the embodiments of the present disclosure may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile Communications (GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA). ), it can also be a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or it can be an evolved network device in a long term evolution (LTE) system (evolutional Node B, eNB or e-NodeB), 5G base station (gNB) in 5G network architecture (next generation system), or Home evolved Node B (HeNB), relay node (relay node) , a home base station (femto), a pico base station (pico), etc., which are not limited in the embodiments of the present disclosure.
  • a network device may include a centralized unit (CU) node and a distributed unit (DU) node, and the centralized unit and the distributed unit may also be geographically separated.
  • MIMO transmission can be single-user MIMO (Single User MIMO, SU-MIMO) or multi-user MIMO. (Multiple User MIMO, MU-MIMO). According to the form and number of root antenna combinations, MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO, or massive-MIMO, or diversity transmission, precoding transmission, or beamforming transmission.
  • the present disclosure is aimed at the problem that the related art PDCCH transmission mode cannot be adapted to the situation of repeated PDCCH transmission and affects the reliability of PDCCH transmission, and an embodiment of the present disclosure provides a PDCCH transmission method.
  • a transmission opportunity for the repeated transmission of the PDCCH may also be referred to as a transmission opportunity or a time slot.
  • the scope defined by the "available time slot" defined in the embodiments of the present disclosure includes the scope defined by available monitoring opportunities, available time units, available resources, or available symbols.
  • the PDCCH transmission method As shown in FIG. 2 , the PDCCH transmission method according to an embodiment of the present disclosure is applied to a terminal, and the method includes:
  • S220 determine the time slots of at least two transmission occasions for the repeated transmission of the PDCCH and the transmission resources of the time slot where each transmission occasion is located;
  • S230 in the time slots of the at least two transmission occasions, monitor the transmission of the PDCCH by using the transmission resources of the time slots.
  • the network side device uses the configuration information for the repeated transmission of PDCCH between time slots to the terminal, so that the terminal can determine the timing of at least two transmission occasions of the repeated transmission of the PDCCH according to the configuration information.
  • Slots and the transmission resources of the time slot where each transmission opportunity is located use the transmission resources of the time slot to monitor the transmission of the PDCCH, so as to be able to adapt to the network equipment when the terminal is configured to perform repeated transmission of the PDCCH between time slots, the number of repeated transmissions is greater than 1 (transmission).
  • the number of occasions is greater than 1) or the configured K repetitions (corresponding to the repetition times greater than 2), the reliability of PDCCH transmission is guaranteed.
  • the configuration information includes signaling for indicating repeated transmission of PDCCH between time slots and/or a transmission configuration for repeated transmission of PDCCH.
  • the configuration information enables the terminal to enable or disable the monitoring of the repeated transmission of the PDCCH between the time slots through signaling indicating the repeated transmission of the PDCCH between the time slots.
  • the signaling indicated in the configuration information may include different indicator symbols for respectively instructing the terminal to turn on the repeated transmission of PDCCH between time slots and to turn off the repeated transmission of PDCCH between time slots.
  • the network side device configures time slot information or period information of a transmission opportunity for the terminal, or configures a preset time for the terminal.
  • the time slot information of the first transmission opportunity in the segment, or the time slot information of two or more transmission opportunities configured for the terminal, or the transmission resources of one or one transmission opportunity configured for the terminal, the terminal is based on the above-mentioned information sent by the network side device.
  • the transmission configuration determines the time slots of at least two transmission occasions in which the PDCCH is repeatedly transmitted and the transmission resources of the time slot where each transmission occasion is located.
  • step S220 the terminal determines, according to the configuration information, the time slots of at least two transmission occasions in which the PDCCH is repeatedly transmitted and the transmission resources of the time slot where each transmission occasion is located, including at least one of the following:
  • the terminal determines, according to the time slot or period information of one transmission opportunity configured by the network side device, the time slot where other transmission opportunities of each repetition period are located;
  • the terminal determines, according to the time slot of the first transmission opportunity configured by the network side device, the time slot where the other transmission opportunities of the first repeated transmission are located, and the time slot where each transmission time slot of the other repeated transmission is located;
  • the terminal determines, according to the time slots of two or more transmission occasions configured by the network side device, the time slot information of the transmission occasions of each repeated transmission within the preset time;
  • the terminal determines transmission resources for one or more transmission occasions.
  • the transmission configuration in the configuration information received by the terminal includes at least one of the following:
  • the transmission resources configured by the network side equipment
  • the configuration information is obtained through high-layer signaling, media access control layer (Media Access Control, MAC) control element (Control Element, CE) signaling and downlink control information (Downlink Control Information, DCI) ) signaling indicates at least one.
  • media access control layer Media Access Control, MAC
  • Control Element Control Element, CE
  • DCI Downlink Control Information
  • the terminal determines the time slots of at least two transmission occasions for repeated PDCCH transmission and the transmission resources of the time slot where each transmission occasion is located. methods are given by way of example.
  • the transmission configuration included in the configuration information includes:
  • the transmission period or offset of a transmission opportunity for the repeated transmission of PDCCH in each transmission period is a transmission period or offset of a transmission opportunity for the repeated transmission of PDCCH in each transmission period.
  • one transmission opportunity of the repeated transmission configured by the network side device may be the time slot where the kth transmission opportunity is located, and k is greater than or equal to 1 and less than or equal to K.
  • the network side device configures a transmission opportunity for repeated transmission as the first A slot or the slot in which the second slot is located.
  • the network-side device may further configure a transmission period or an offset of a transmission opportunity for repeated transmission of the PDCCH in each transmission period.
  • the network-side device configures the first transmission opportunity of repeated transmission to occur at a certain period, such as the period value is P timeslots (P is greater than or equal to 2 timeslots), you can also configure the first transmission opportunity to appear. Offset.
  • the terminal can determine the time slot number where the first transmission opportunity of the repeated transmission is located according to the configuration of the network side device.
  • the time slot resources occupied by the first transmission opportunity can be determined as shown in Figure 3;
  • the time slot resources occupied by the first transmission opportunity can be determined as shown in FIG. 4 .
  • the mentioned "opportunity 1" represents the first transmission opportunity of repeated transmission
  • D represents a downlink time slot
  • U represents an uplink time slot.
  • other unoccupied time slots can be uplink time slots or downlink time slots.
  • the terminal can determine another transmission opportunity (such as repeated transmission) according to predefined rules. The number of the time slot in which the second time slot or the first time slot is located.
  • step S220 when the configuration information includes a time slot where one transmission opportunity of the PDCCH repeated transmission is located in each transmission period, in step S220, according to the configuration information, the time slots of at least two transmission opportunities of the PDCCH repeated transmission are determined. gaps, including:
  • the configuration information includes the time slot where the kth transmission opportunity of the PDCCH repeated transmission is located in each transmission period, then determine that the time slot where the kth transmission opportunity is located is the time slot indicated in the configuration information, and use the following One way to determine the time slot where other transmission opportunities are located:
  • the time slot where other transmission opportunities are located is the time slot where the kth transmission opportunity is located
  • the time slot where the other transmission opportunities are located is the previous time slot or the next time slot of the time slot where the kth transmission opportunity is located;
  • the time slots where other transmission opportunities are located include k-1 available time slots before the time slot where the kth transmission opportunity is located and K-k available time slots after the time slot where the kth transmission opportunity is located; where K is the maximum repetition of PDCCH repeated transmissions The number of transmissions, where k is greater than or equal to 1 and less than or equal to K.
  • k is 1 as an example, that is, if the configuration information includes the time slot where the first transmission opportunity of PDCCH repeated transmission is located in each transmission period, determine The time slot where the first transmission opportunity is located is the time slot indicated in the configuration information, and one of the following methods is used to determine the time slot where other transmission opportunities are located after the first transmission opportunity:
  • the time slot where other transmission opportunities are located is the time slot where the first transmission opportunity is located
  • the time slot in which other transmission opportunities are located is the next available time slot after the time slot in which the first transmission opportunity is located.
  • the configuration information includes the time slot where the last transmission opportunity of the PDCCH repeated transmission in each transmission period is located, then determine that the time slot where the last transmission opportunity is located is the time slot indicated in the configuration information, and use one of the following The method determines the time slots of other transmission opportunities before the last transmission opportunity:
  • the time slot where other transmission opportunities are located is the time slot where the last transmission opportunity is located
  • the time slot where the other transmission opportunities are located is the last available time slot of the time slot where the first transmission opportunity is located.
  • the network side device is configured with the time slot where the first transmission opportunity of each transmission cycle of repeated transmission is located, it can be determined that the time slot where the second transmission opportunity is located is the time slot where the first transmission opportunity is located, or the time slot where the first transmission opportunity is located.
  • the configuration information includes the time slot where the kth transmission opportunity of the PDCCH repeated transmission in each transmission period is located, and when k is greater than or equal to 1 and less than or equal to K, determine the kth transmission
  • the manner of the time slot in which the transmission opportunity other than the opportunity is located reference may be made to the above-mentioned specific implementation manner, which will not be described in detail here.
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located.
  • a time slot where a transmission opportunity of the PDCCH repeated transmission indicated by the configuration information is located is an unavailable time slot, it is determined that a transmission opportunity indicated by the configuration information is in another transmission opportunity. It is transmitted on the other hand, or it is transmitted on the time slot where another transmission occasion is located.
  • the time slot where the kth transmission opportunity indicated by the configuration information is located is an unavailable time slot
  • each PDCCH uses a different monitoring opportunity or monitoring opportunity of an SS set ( monitoring occasion) for transmission, or using different SS sets for transmission, or using a single frequency network (Single Frequency Network, SFN) space division multiplexing method to transmit on the same transmission resources.
  • SFN Single Frequency Network
  • the configured transmission resources or the resources between the repeated transmissions may be allocated.
  • the association relationship is applied to the same time slot, and two different transmission resources are determined for transmission (eg different CORESET, SS set or PDCCH candidate candidate).
  • the terminal may configure high-level signaling ( tdd-UL-DL-ConfigurationCommon or tdd-UL-DL-ConfigurationDedicated) to determine the time slot where other transmission opportunities are located, or determine the time slot where other transmission opportunities are located according to the dynamic slot format indication.
  • the configured maximum number of repeated transmissions of PDCCH is 2 times, k is 1.
  • the terminal first detects the next time slot of the time slot where the first transmission opportunity is located.
  • DL-ConfigurationDedicated indicates that it is an uplink time slot or a flexible time slot, then the next time slot will not be used for PDCCH repeated transmission; the terminal needs to judge the next time slot.
  • the first downlink time slot in this time window, or the first downlink time slot with the SS set to be monitored The time slot, or the first downlink time slot with the same PDCCH transmission resources as the PDCCH transmission of the first transmission opportunity can be used for the repeated transmission of the PDCCH.
  • the above method can also be used to determine multiple downlink time slots within the preset time window, or multiple downlink time slots with the SS set to be monitored. Downlink time slots, or multiple downlink time slots with the same PDCCH transmission resources as the PDCCH transmission at the first transmission opportunity are used for the repeated transmission of multiple PDCCHs.
  • the time slot where the first transmission opportunity is located can be used for repeated transmission of two or more PDCCHs (that is, two or more transmission opportunities are configured in The time slot where the first transmission opportunity of .
  • the method of determining the time slot of the transmission opportunity other than the first transmission opportunity in a PDCCH repetition period has been described. It is noted that the manner of determining the transmission timings other than the first transmission timing in all repetition periods may refer to the above-mentioned manner, and will not be described one by one here.
  • the method is similar, except for the higher layer signaling tdd-UL-DL-ConfigurationCommon or tdd-UL-DL-ConfigurationDedicated
  • SFI slot format indication
  • the time slot indicated as downlink can be used for PDCCH repeated transmission
  • the higher layer signaling tdd-UL-DL-ConfigurationCommon or tdd-UL-DL-ConfigurationDedicated indicates flexible
  • the time slot or symbol indicated as downlink by SFI signaling is also Can be used for PDCCH repeated transmission.
  • the time slot process for the terminal to determine the transmission timing may be:
  • the terminal first detects the next time slot of the time slot where the first transmission opportunity is located. A time slot will not be used for PDCCH repeated transmission; the terminal needs to continue to judge the next time slot. Within a certain time window (for example, L time slots) from the time slot where the first transmission opportunity is located, if there is a high-level parameter tdd-UL-DL-ConfigurationCommon or tdd-UL-DL-ConfigurationDedicated indicated as a downlink time slot, or a high-level The parameter tdd-UL-DL-ConfigurationCommon or tdd-UL-DL-ConfigurationDedicated indicates flexible and is indicated as a downlink time slot by SFI signaling, then the first downlink time slot in the time window, or the first downlink time slot The time slot with downlink symbols, or the first downlink time slot or symbol with the SS set to be monitored, or the first downlink time slot or symbol with the same PDCCH transmission resources as the PDCCH transmission of the first transmission opportunity is used for Repeated transmission on PDCCH
  • the terminal determines the time slots of other transmission opportunities other than the first transmission opportunity by: determining multiple downlink time slots within a period of time, Or there are multiple downlink time slots with the SS set to be monitored, or there are multiple downlink time slots with the same PDCCH transmission resources as the PDCCH transmission at the first transmission opportunity for the transmission of multiple PDCCH repeated transmission versions. If there is no downlink time slot or symbol within this time window, the time slot where the first transmission opportunity is located is used for the repeated transmission of two or more PDCCHs, that is, the two or more transmission opportunities are in the first configured transmission opportunity transmitted on the time slot.
  • the time slot where the second transmission opportunity is located is the time slot where the first transmission opportunity is located, that is, when the time slot where the second transmission opportunity is located cannot perform PDCCH transmission, one time slot is used to transmit two repetitions The PDCCH/DCI, which converts repeated transmission between time slots into repeated transmission within time slots.
  • the PDCCH transmitted on the first transmission opportunity may also be transmitted on the second transmission opportunity.
  • the PDCCH will not be transmitted in the period in which the two transmission occasions configured by the network device are located.
  • the terminal determines that the time slot of one transmission opportunity is the configured time slot, and the time slots where other transmission opportunities are located may be the configured time slot, or the first K-1 or the first K-1 of the configured time slots.
  • the method for determining the time slot where the first transmission opportunity is located may refer to the above method. It may be determined that the time slot where the first transmission opportunity is located is the time slot where the second transmission opportunity is located or the one or the previous or the previous N or the previous N available time slots on the second transmission opportunity. That is, if the previous time slot is not available, continue forward until an available time slot is encountered.
  • the available time slot may be: a downlink time slot, or a flexible time slot configured by high-level signaling, or a downlink time slot with the SS set to be monitored, or a downlink time slot with the k-th transmission
  • the timeslots are downlink timeslots with the same PDCCH transmission resource (CORESET and/or SS set and/or PDCCH candidate) index.
  • the time slot where the first transmission opportunity is located is the time slot where the second transmission opportunity is located, that is, the time slot where the first transmission opportunity is located cannot be performed.
  • PDCCH transmission one time slot is used to transmit two repeated PDCCH/DCIs, and the repeated transmission between time slots is converted into repeated transmission in the time slot.
  • the PDCCH transmitted on the second transmission opportunity may also be transmitted on the first transmission opportunity.
  • the PDCCH will not be transmitted in the period in which the two transmission occasions configured by the network device are located. That is, if any one of the transmission occasions collides with an unavailable slot or symbol, neither of the two transmission occasions is used for the repeated transmission of the PDCCH.
  • the transmission configuration included in the configuration information includes:
  • Time slots where at least two transmission occasions of the PDCCH repeated transmission within the preset time period are respectively located;
  • the terminal may determine that K transmission opportunities occupy K consecutive available time slots according to the time slots and/or transmission resources where at least two transmission opportunities (eg, K) configured by the network side device are located respectively.
  • the network side device may configure, for the terminal, time slots occupied by repeated transmissions within a preset time period and/or PDCCH transmission resources for each time slot according to the uplink and downlink configuration and the available SS set. At this time, any transmission opportunity of repeated transmission may not occur in a certain period, as shown in FIG. 5 .
  • the time slot in which the Rep is located can be used for repeated transmission, and the time slot in which the Non is located cannot be used for repeated transmission, and the signaling format in the preset time period can be expressed as "RRRNNNRRRNRR".
  • the time slot Rep used for repeated transmission in this embodiment can be further distinguished, as shown in FIG. 6 , where the time slot Rep1 and the time slot Rep2 represent two transmission opportunities for a repeated transmission, then the preset
  • the signaling format within the time period may be expressed as "R1R2R1NNNR2R1R2NR1R2".
  • the time slots or transmission occasions (RepB and RepB) with the same identifier represent a repeated transmission between time slots.
  • the PDCCH transmission resource may include at least one of the following:
  • Control resource set (control resource set, CORESET);
  • the PDCCH transmission resources (CORESET and/or SS set and/or PDCCH candidate) used in each time slot may also be configured along with repeated transmissions, or may be configured with a certain periodicity .
  • the repeated transmission in the preset time period can be configured as: R1 SS set a, R2 SS set b, R1 SS set c, N, N, N, R2 SS set d, R1 SS set a, R2 SS set c, N, R1 SS set a, R2 SS set e.
  • the repeated transmission timing and the PDCCH transmission resources are configured separately.
  • the transmission timing is configured as "R1R2R1NNNR2R1R2NR1R2", and the transmission resources are configured periodically.
  • a high-level parameter is used to configure the index, Period value and offset.
  • the preset time period may be several time slots, dozens of time slots, or dozens of time slots or more. Similar to the uplink and downlink configuration of the indicator symbol in DCI format 2_0, the time length of the indicator is variable, which is specifically related to the scheduling of the network side equipment.
  • the above configuration may be a high-level signaling configuration, or may be a configuration performed through MAC CE signaling or DCI signaling.
  • the configuration information takes effect after a network-side device sends the configuration information for a period of time.
  • the length of the configuration information can also be changed and configured.
  • the time slots, transmission opportunities or PDCCH transmission resources configured by the network side equipment that can be used for repeated transmission can be used, and the terminal only needs to use the network side equipment according to the The configuration can be transferred.
  • the transmission configuration included in the configuration information includes:
  • the time slot where the first transmission opportunity of the PDCCH repeated transmission within the preset time period is located.
  • step S220 determine the time slots of at least two transmission occasions of the PDCCH repeated transmission, including:
  • every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH; wherein, K is the maximum repeated transmission times of the PDCCH repeated transmission.
  • every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH, including:
  • the time slot occupied by each repeated transmission is determined according to the number of repetitions K of transmission required for each repeated transmission, and each K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH.
  • the terminal determines that the first time slot or the time slot of the first transmission opportunity is the configured time slot, and the other transmission opportunities are respectively K-1 available time slots after the configured time slot; in this way, The terminal determines that K transmission opportunities for repeated transmission between each time slot occupy K available time slots.
  • determining the first time slot or the available time slot within the preset time period after the time slot where the first transmission opportunity is located including:
  • SFI indication or PDCCH transmission resources determine the available time slots that can be used for PDCCH repeated transmission within the time range.
  • the network-side device configures or indicates the first time slot in the preset time period or a time slot in the time slot where the transmission opportunity is located, and configures or indicates the time slot in the first embodiment.
  • the time information of the first transmission opportunity may not appear in a periodic form.
  • the configuration or instruction information takes effect within a period of time after the configuration information or activation information or instruction information is received.
  • the network side device configures or indicates the time slot position where the first time slot is located, which is used to transmit DCI 1, and then the terminal can determine the PDCCH between time slots according to the uplink and downlink configuration and/or the SS set configuration to be monitored. Other timeslots for repeated transmissions or timeslots in which other transmission occasions are located.
  • the terminal can determine the time slot where all the transmission opportunities are located according to the following method:
  • the available time slots within a period of time after the first transmission opportunity, and then every two available time slots are respectively used to transmit two repeated transmissions of one DCI/PDCCH, that is, as shown in Figure 8, the first two time slots use For the transmission of DCI 1, the 3rd and 7th time slots are used for the transmission of DCI 2, and the 8th and 11th time slots are used for the transmission of DCI 3.
  • the method is also similar.
  • the terminal first determines the available time slots within a period of time after the first transmission opportunity, and then includes the available time slots of the time slot where the first transmission opportunity is located, and each K available time slots are used to transmit a DCI/PDCCH K times respectively. Repeated transmission, that is, the terminal determines that every K transmission opportunity occupies K consecutive available time slots.
  • the K consecutive available time slots may be physically discontinuous time slots, but may be continuous from the perspective of available time slot numbers.
  • the number of the available time slots can also be defined, for example, the time slot configured or indicated by the network device is the first time slot, and the numbers of the following multiple available time slots are 2, 3, 4, 5... Wait.
  • the terminal can use the relevant configuration information of the time slot where the first transmission opportunity of the multiple PDCCH repeated transmissions within the preset time period configured by the network side device is located, and the uplink and downlink (uplinkUL, downlink DL) configured by the network side device.
  • the terminal determines the time range of the PDCCH repeated transmission (for example, several or more than a dozen or more) according to the relevant configuration information of the time slot where the first transmission opportunity of the multiple repeated transmissions is located within the preset time period configured by the network side device. time slot); then determine the time slot or symbol that can be used for PDCCH repeated transmission within the time range of repeated transmission and the time slot occupied by each repeated transmission according to the uplink and downlink configuration high-layer signaling or SFI indication.
  • the relevant configuration information of the time slot where the first transmission opportunity is located may include: a time range for repeated transmission (for example, several or a dozen or more time slots), the total number of repeated transmissions within the time range ( For example, a repeated transmission needs to transmit two identical DCIs or PDCCHs, and within a period of time, such repeated transmissions will be transmitted P times, and P is a positive integer greater than or equal to 1).
  • the terminal will configure the upper layer information according to the uplink order or SFI instruction to determine P times of such repeated transmissions within the time range of repeated transmission; the relevant configuration information of the time slot where the first transmission opportunity is located may also not include the total number of repeated transmissions, so that the terminal needs to The total number of repeated transmissions is determined within the range, that is, all time slots within the time range are used for PDCCH repeated transmissions, for example, the total number may be Q times.
  • the terminal first determines the time slots or symbols that can be used for PDCCH repeated transmission within the time range according to the uplink and downlink configuration high-level signaling or SFI indication. If the network device does not configure the terminal to monitor the SFI indication related DCI signaling (such as DCI format 2_0) , the terminal only determines which time slots can be used for PDCCH repeated transmission according to the high-level signaling tdd-UL-DL-ConfigurationCommon or tdd-UL-DL-ConfigurationDedicated, for example, the high-level signaling indicates that downlink time slots or flexible time slots can For repeated transmission of PDCCH, for example, a time slot or a flexible time slot indicated as uplink by higher layer signaling cannot be used for repeated transmission of PDCCH.
  • the high-level signaling indicates that downlink time slots or flexible time slots can For repeated transmission of PDCCH, for example, a time slot or a flexible time slot indicated as uplink by higher layer signaling cannot be used for repeated transmission of PDCCH.
  • the flexible timeslot can be used for PDCCH repeated transmission depends on the configuration of the network side device or a predefined rule.
  • the network side device is configured as a downlink time slot and has a time slot for the SS set to be monitored, or a downlink time slot with the same PDCCH transmission resources as the PDCCH transmission of the first transmission opportunity can be used for repeated transmission of the PDCCH.
  • the network side equipment configures the terminal to monitor the SFI indication related DCI signaling (DCI format 2_0), in addition to the downlink time slots determined by the high-level signaling above, the high-level signaling tdd-UL-DL-ConfigurationCommon or tdd-UL-DL- ConfigurationDedicated time slots that are configured as flexible may also be used for PDCCH repeated transmission, specifically if the flexible symbols are further indicated by the SFI indication-related DCI signaling (DCI format 2_0) as a time slot containing downlink symbols, or as a time slot containing downlink symbols and The time slot with the SS set to be monitored, or the time slot indicated as containing downlink symbols and having the same PDCCH transmission resources as the PDCCH transmission of the first transmission opportunity can also be used for PDCCH repeated transmission.
  • DCI format 2_0 the SFI indication-related DCI signaling
  • the terminal will determine the time slot occupied by each repeated transmission according to the number of repetitions of each repeated transmission (for example, the number of times configured by the network device or a predefined number, 2 or more times, such as K times), for example, it can be the previous step Two or more consecutive time slots in the determined available time slots (Figure 8 takes 2 repeated transmissions as an example, where time slots 1, 2, 3, 7, 8, and 11 can be used for PDCCH repeated transmission, and the number of repeated transmissions is 2, the terminal can determine that the first and second time slots are used for one PDCCH repeat transmission, the third and seventh time slots are used for one PDCCH repeat transmission, and the 8th and 11th time slots are used for one PDCCH repeat transmission) .
  • the number of repetitions of each repeated transmission for example, the number of times configured by the network device or a predefined number, 2 or more times, such as K times
  • Figure 8 takes 2 repeated transmissions as an example, where time slots 1, 2, 3, 7, 8, and 11 can be used for PDCCH repeated transmission, and the number of repeated transmissions is
  • N time slots or symbols There may also be a certain interval between two repeated transmissions, such as M time slots or symbols, and there may also be a certain interval between each two total repeated transmissions, such as N time slots or symbols, which can be specified by the network side. Device side or determined according to predefined rules.
  • the determined available time slots that can be used for PDCCH repeated transmission are: downlink time slots, flexible time slots configured by high-layer signaling, and At least one of the downlink time slots with the SS set to be monitored.
  • the unavailable time slot may be one of: an uplink time slot configured by high-layer signaling, a flexible time slot, an uplink time slot or a flexible time slot dynamically indicated by the DCI format, and the like.
  • the dynamic indication of the DCI format is a flexible time slot, it is necessary to further monitor other conditions, such as determining whether to include a time slot including uplink and downlink symbols, etc., to determine whether it can be used as an available time slot.
  • the terminal is configured to monitor the DCI format (that is, used to dynamically indicate the uplink and downlink timeslots), if the flexible timeslot configured by the high-layer signaling is configured by the DCI format
  • the dynamic indication is an uplink time slot, and will not be used as any transmission opportunity for the repeated transmission of the PDCCH.
  • the terminal can determine the time slot used for the repeated transmission of the PDCCH, and the number of repeated transmissions can be 2.
  • the network device will also send the corresponding DCI/PDCCH at the repeated transmission timing of the PDCCH determined by the terminal. Ensure the transmission reliability of DCI/PDCCH.
  • available time slots may also be extended to available symbols/monitoring opportunities, etc.; similarly, unavailable time slots may also be extended to unavailable symbols/monitoring opportunities and the like.
  • a certain time slot is a flexible time slot configured by RRC signaling, and is dynamically indicated by the DCI format to include both downlink symbols and uplink symbols
  • the method in this embodiment can also be extended to follow the available symbols. to determine the resources such as the time slot or symbol where the transmission opportunity is located.
  • the received configuration information sent by the network side device further includes at least one of the following:
  • the transmission resources configured by the network side equipment
  • the transmission resources configured by the network side device in the configuration information or the transmission resources used for the repeated transmission of the PDCCH include one or two transmission resources, and the transmission resources may be resources to be monitored or not to be monitored. resource.
  • the configuration information may further indicate whether the transmission resources of at least two transmission occasions are the same, for example, it may indicate that the transmission resources of the first transmission occasion are the same as the transmission resources of the second transmission occasion.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resources of different transmission occasions used for PDCCH repeated transmission are the same;
  • the transmission resources used for different transmission occasions of PDCCH repeated transmission are different.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for one transmission occasion
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity
  • the transmission resource configured by the network side device is the transmission resource configured for the repeated transmission of the PDCCH.
  • step S220 it is determined that the transmission resource of the time slot where each transmission opportunity of the PDCCH repeated transmission is located includes at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity, determine the transmission resource of the time slot where each transmission opportunity is located according to the configuration information;
  • the configuration information includes the association relationship between the transmission resources of different transmission opportunities used for the repeated transmission of the PDCCH, according to the the transmission resources of the first transmission opportunity configured in the configuration information and the association relationship, and determine the transmission resources corresponding to the time slot where the second transmission opportunity is located, wherein the first transmission opportunity and the second transmission opportunity are different transmission timing.
  • the following describes the manner in which the terminal determines the transmission resource for repeated transmission of the PDCCH with reference to Embodiment 1 to Embodiment 3 of the present disclosure.
  • the terminal can determine the time slot used for the repeated transmission of DCI/PDCCH, and through this embodiment, the terminal can further determine the transmission resources of the DCI/PDCCH in one time slot (such as CORESET, SS set and/or PDCCH candidate index).
  • the terminal can further determine the transmission resources of the DCI/PDCCH in one time slot (such as CORESET, SS set and/or PDCCH candidate index).
  • the network side device may configure the same or different transmission resources for the two time slots of the PDCCH repeated transmission, or configure transmission resources for only one transmission occasion, and the transmission resources of the other transmission occasion are determined according to a predefined rule.
  • the terminal can determine the transmission resource corresponding to each time slot. If the corresponding transmission resource in the time slot where the transmission is located is not in the state to be monitored (that is, it is determined that the time slot is not in the state to be monitored according to the period and offset value in the associated high-level parameter searchspace, for example, the PDCCH candidate resource and CORESET have their associated SS set), it is still determined that the network-side device has sent the DCI/PDCCH in this time slot, and the transmission resources used are the resources configured by the network-side device, that is, the transmission resources can be Perform PDCCH transmission, that is, the terminal determines that the PDCCH transmission resources are the transmission resources configured for the two transmission occasions.
  • the terminal can also determine the transmission resource of another transmission opportunity accordingly.
  • the transmission resources of the first transmission occasion and the association relationship between the two repeated transmissions of the two transmission occasions of the first transmission occasion and the second transmission occasion are configured. Then, the transmission resources of the second transmission occasion may be determined according to the transmission resources of the first transmission occasion and the association relationship.
  • PDCCH transmission can be performed even if the determined transmission resource is not in the to-be-monitored state configured by the searchspace.
  • the configured transmission resources or the resources between the repeated transmissions may be allocated.
  • the association relationship is applied to the same time slot, and two different transmission resources are determined for transmission (eg different CORESET, SS set or PDCCH candidate candidate).
  • the network side device can also configure the CORESET, SS set and/or PDCCH candidate index for repeated transmission, that is, repeated transmission will only be performed in the resources used for repeated transmission. It is determined that the transmission resource is the corresponding resource for repeated transmission.
  • the network side device can also configure the PDCCH transmission method, such as repeated transmission between time slots and different time slots have the same PDCCH transmission resources and corresponding transmission resources, so that the terminal can also determine the transmission resources of the two transmission opportunities.
  • the terminal does not expect two transmission opportunities to be in the same time slot, or the terminal can abandon a repeated transmission (for example, abandoning the transmission configured on an unavailable time slot or symbol), or the terminal determines that the network device side uses a null
  • the repeated transmission of the PDCCH is performed in a division multiplexing manner, for example, space division multiplexing based on a single frequency network (Single Frequency Network, SFN), that is, two repeated transmissions occupy the same time-frequency resources and are transmitted by different transmission points.
  • SFN Single Frequency Network
  • the method further includes:
  • the transmission indication information includes at least one of the following:
  • the network side device can also use dynamic signaling (the transmission indication information) to indicate the transmission of the second or another or other transmission opportunities
  • the terminal may be instructed to give up the second transmission opportunity (ie, not to transmit), or to postpone the transmission, and so on.
  • the dynamic signaling (transmission indication information) can be indicated to the terminal using a separate information field, or can be indicated together with the common beam (TCI state) indication field, that is, a joint coding method is used.
  • the network side device uses the configuration information for the repeated transmission of PDCCH between time slots to the terminal, so that the terminal can determine the timing of at least two transmission occasions of the repeated transmission of the PDCCH according to the configuration information.
  • Slots and the transmission resources of the time slot where each transmission opportunity is located use the transmission resources of the time slot to monitor the transmission of the PDCCH, so as to be able to adapt to the network equipment when the terminal is configured to perform repeated transmission of the PDCCH between time slots, the number of repeated transmissions is greater than 1 (transmission).
  • the number of occasions is greater than 1) or the configured K repetitions (corresponding to the repetition times greater than 2), the reliability of PDCCH transmission is guaranteed.
  • An embodiment of the present disclosure further provides a PDCCH transmission method, which is applied to a network side device. As shown in FIG. 9 , the method includes:
  • S920 determine the time slots of at least two transmission occasions for repeated transmission of the PDCCH and the transmission resources of the time slot where each transmission occasion is located;
  • S930 On the time slots of the at least two transmission opportunities, use the transmission resources of the time slots to perform PDCCH transmission.
  • the network side device uses the PDCCH transmission method described in this embodiment, the network side device sends configuration information for the repeated transmission of PDCCH between time slots to the terminal, so that the terminal can determine the time slots and the time slots of at least two transmission opportunities for the repeated transmission of PDCCH according to the configuration information.
  • the transmission resources of the time slot in which each transmission opportunity is located shall be used to monitor the transmission of the PDCCH, so as to be able to adapt to the network equipment configuration when the terminal performs repeated transmission of the PDCCH between time slots, the number of repeated transmissions is greater than 1 (the number of transmission opportunities). If the number is greater than 1) or the configured K repetitions (corresponding to the repetition times greater than 2), the reliability of PDCCH transmission is guaranteed.
  • the configuration information includes signaling for indicating repeated transmission of PDCCH between time slots and/or transmission configuration for repeated transmission of PDCCH.
  • the transmission configuration includes at least one of the following:
  • the transmission resources configured by the network side equipment
  • the transmission resources include at least one of a control resource set CORESET, a search space set SS set and PDCCH candidate resources.
  • the configuration information when the configuration information includes a time slot where a transmission opportunity of the PDCCH repeated transmission is located in each transmission period, at least two PDCCH repeated transmissions are determined according to the configuration information.
  • the time slot of the transmission opportunity including:
  • the configuration information includes the time slot where the kth transmission opportunity of the PDCCH repeated transmission is located in each transmission period, then determine that the time slot where the kth transmission opportunity is located is the time slot indicated in the configuration information, and use the following One way to determine the time slot where other transmission opportunities are located:
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located
  • the time slot where the other transmission opportunities are located is the previous time slot or the next time slot of the time slot where the kth transmission opportunity is located;
  • the time slots where other transmission opportunities are located include k-1 available time slots before the time slot where the kth transmission opportunity is located and K-k available time slots after the time slot where the kth transmission opportunity is located; where K is the maximum repetition of PDCCH repeated transmissions The number of transmissions, where k is greater than or equal to 1 and less than or equal to K.
  • the time slot where other transmission opportunities are located is the time slot where the kth transmission opportunity is located.
  • the method further comprises: when a time slot where a transmission opportunity of the PDCCH repeated transmission indicated by the configuration information is located is an unavailable time slot, determining that the time slot indicated by the configuration information One of the transmission occasions is transmitted on the other transmission occasion or the time slot in which the other transmission occasion is located.
  • the configuration information includes the first time slot of the PDCCH repeated transmission within a preset time period, or includes the location of the first transmission opportunity of the PDCCH repeated transmission within the preset time period.
  • determine the time slots of at least two transmission occasions for the repeated transmission of the PDCCH including:
  • every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH; wherein, K is the maximum repeated transmission times of the PDCCH repeated transmission.
  • the PDCCH transmission method wherein determining the first time slot or an available time slot within a preset time period after the time slot where the first transmission opportunity is located, includes:
  • SFI indication or PDCCH transmission resources determine the available time slots that can be used for PDCCH repeated transmission within the time range.
  • the described PDCCH transmission method wherein, the relevant configuration information of the first time slot or the time slot where the first transmission opportunity is located includes at least one of the following:
  • the time slot or symbol interval between each repeated transmission is the time slot or symbol interval between each repeated transmission.
  • the PDCCH transmission method wherein, in the case where the network side device does not configure the terminal monitoring time slot format indication SFI to indicate the DCI signaling, the available time slot is indicated by the high-level signaling within a preset time period.
  • the PDCCH in the time slot transmits the downlink time slot with the same PDCCH transmission resources;
  • the available time slot is the downlink time slot indicated by the high-level signaling within the preset time period
  • the flexible and preset time slot indicated by the high-level signaling can be used for A time slot for PDCCH transmission, a flexible time slot indicated by higher layer signaling and indicated by the SFI as a time slot with downlink symbols, a downlink time slot with an SS set to be monitored, or a time slot or transmission indicated for the transmission configuration
  • the PDCCH in the time slot where the opportunity is located transmits the downlink time slot with the same PDCCH transmission resources.
  • determining that in the available time slots, every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH including:
  • the time slot occupied by each repeated transmission is determined according to the number of repetitions K of transmission required for each repeated transmission, and each K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for one transmission occasion
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity
  • the transmission resource configured by the network side device is the transmission resource configured for the repeated transmission of the PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resources of different transmission occasions used for PDCCH repeated transmission are the same;
  • the transmission resources used for different transmission occasions of PDCCH repeated transmission are different.
  • the PDCCH transmission method wherein, according to the configuration information, determining the transmission resource of the time slot where each transmission opportunity of the PDCCH repeated transmission is located includes at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity, determine the transmission resource of the time slot where each transmission opportunity is located according to the configuration information;
  • the configuration information includes the association relationship between the transmission resources of different transmission opportunities used for the repeated transmission of the PDCCH, according to the the transmission resources of the first transmission opportunity configured in the configuration information and the association relationship, and determine the transmission resources corresponding to the time slot where the second transmission opportunity is located, wherein the first transmission opportunity and the second transmission opportunity are different transmission timing.
  • the PDCCH transmission method wherein the method further includes:
  • the corresponding transmission resource is determined to be used for PDCCH transmission.
  • the method when the transmission configuration includes a time slot where a transmission opportunity of PDCCH repeated transmission is located in each transmission period, the method further includes:
  • the transmission indication information includes at least one of the following:
  • the configuration information is indicated by at least one of higher layer signaling, medium access control layer control unit MAC CE signaling and DCI signaling.
  • One of the embodiments of the present disclosure further provides a terminal, as shown in FIG. 10 , comprising: a transceiver 1010, a memory 1020, a processor 1030, and a computer program stored on the memory and executable on the processor; It is characterized in that,
  • the transceiver 1010 is configured to receive configuration information sent by a network side device for repeated transmission of the PDCCH between time slots;
  • the processor 1030 is used to read the program in the memory, and execute the following processes;
  • the configuration information determine the time slots of at least two transmission occasions for the repeated transmission of the PDCCH and the transmission resources of the time slot where each transmission occasion is located;
  • the transmission resources of the time slots are used to monitor the transmission of the PDCCH.
  • the configuration information includes signaling for indicating repeated transmission of PDCCH between time slots and/or transmission configuration for repeated transmission of PDCCH.
  • the terminal wherein the transmission configuration includes at least one of the following:
  • Transmission resources configured by the network side device
  • the terminal wherein the transmission resource includes at least one of a control resource set CORESET, a search space set SS set and a PDCCH candidate resource.
  • the terminal when the configuration information includes a time slot where one transmission opportunity of the PDCCH repeated transmission is located in each transmission period, at least two transmission opportunities of the PDCCH repeated transmission are determined according to the configuration information time slots, including:
  • the configuration information includes the time slot where the kth transmission opportunity of the PDCCH repeated transmission is located in each transmission period, determine that the time slot where the kth transmission opportunity is located is the time slot indicated in the configuration information, and use the following One way to determine the time slot where other transmission opportunities are located:
  • the time slot where other transmission opportunities are located is the time slot where the kth transmission opportunity is located
  • the time slot where the other transmission opportunities are located is the previous time slot or the next time slot of the time slot where the kth transmission opportunity is located;
  • the time slots where other transmission opportunities are located include k-1 available time slots before the time slot where the kth transmission opportunity is located and K-k available time slots after the time slot where the kth transmission opportunity is located; where K is the maximum repetition of PDCCH repeated transmissions The number of transmissions, where k is greater than or equal to 1 and less than or equal to K.
  • the terminal wherein,
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located.
  • the processor 1030 is further configured to: when the time slot where a transmission opportunity of the PDCCH repeated transmission indicated by the configuration information is located is an unavailable time slot, determine the time slot in which the configuration information is located. The indicated one transmission opportunity is transmitted on the other transmission opportunity or the time slot in which the other transmission opportunity is located.
  • the terminal wherein the configuration information includes the first time slot of the PDCCH repeated transmission within the preset time period, or includes the time slot where the first transmission opportunity of the PDCCH repeated transmission within the preset time period is located.
  • the processor determines, according to the configuration information, the time slots of at least two transmission occasions for the repeated transmission of the PDCCH, including:
  • every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH; wherein, K is the maximum repeated transmission times of the PDCCH repeated transmission.
  • the processor 1030 determines the first time slot or an available time slot within a preset time period after the time slot where the first transmission opportunity is located, including:
  • SFI indication or PDCCH transmission resources determine the available time slots that can be used for PDCCH repeated transmission within the time range.
  • the terminal wherein, the relevant configuration information of the first time slot or the time slot where the first transmission opportunity is located includes at least one of the following:
  • the time slot or symbol interval between each repeated transmission is the time slot or symbol interval between each repeated transmission.
  • the terminal wherein, in the case where the network side device is not configured to monitor the time slot format to indicate that the SFI indicates the DCI signaling, the available time slot is the downlink indicated by the high-level signaling within the preset time period. Timeslots, flexible and pre-configured timeslots indicated by higher layer signaling that can be used for PDCCH transmission, downlink timeslots with SS sets to be monitored, or timeslots or transmission opportunities indicated by the transmission configuration
  • the PDCCH of the slot transmits the downlink time slot with the same PDCCH transmission resource;
  • the available time slot is the downlink time slot indicated by the high-level signaling within the preset time period
  • the flexible and preset time slot indicated by the high-level signaling can be used for A time slot for PDCCH transmission, a flexible time slot indicated by higher layer signaling and indicated by the SFI as a time slot with downlink symbols, a downlink time slot with an SS set to be monitored, or a time slot or transmission indicated for the transmission configuration
  • the PDCCH in the time slot where the opportunity is located transmits the downlink time slot with the same PDCCH transmission resources.
  • every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH, including:
  • the time slot occupied by each repeated transmission is determined according to the number of repetitions K of transmission required for each repeated transmission, and each K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for one transmission occasion
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity
  • the transmission resource configured by the network side device is the transmission resource configured for the repeated transmission of the PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resources of different transmission occasions used for PDCCH repeated transmission are the same;
  • the transmission resources used for different transmission occasions of PDCCH repeated transmission are different.
  • the terminal wherein the processor 1030 determines, according to the configuration information, that the transmission resources of the time slot where each transmission opportunity of the PDCCH repeated transmission is located include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity, determine the transmission resource of the time slot where each transmission opportunity is located according to the configuration information;
  • the configuration information includes the association relationship between the transmission resources of different transmission opportunities used for the repeated transmission of the PDCCH, according to the the transmission resources of the first transmission opportunity configured in the configuration information and the association relationship, and determine the transmission resources corresponding to the time slot where the second transmission opportunity is located, wherein the first transmission opportunity and the second transmission opportunity are different transmission timing.
  • the processor 1030 is further configured to:
  • the corresponding transmission resource is determined to be used for PDCCH transmission.
  • the processor when the transmission configuration includes a time slot where a transmission opportunity of the PDCCH repeated transmission is located in each transmission period, the processor is further configured to:
  • the transmission indication information includes at least one of the following:
  • the terminal wherein the configuration information is indicated by at least one of high layer signaling, medium access control layer control unit MAC CE signaling and downlink control information DCI signaling.
  • the transceiver 1010 is configured to receive and transmit data under the control of the processor 1030 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically, one or more processors represented by the processor 1030 and various circuits of the memory represented by the memory 1020 are linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
  • the bus interface provides the interface.
  • Transceiver 1010 may be a number of elements, including a transmitter and a receiver, providing a means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like Transmission medium.
  • the user interface 1040 may also be an interface capable of externally connecting the required equipment, and the connected equipment includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 1030 is responsible for managing the bus architecture and general processing, and the memory 1020 may store data used by the processor 1030 in performing operations.
  • the processor 1030 may be a CPU (central processor), an ASIC (Application Specific Integrated Circuit, an application-specific integrated circuit), an FPGA (Field-Programmable Gate Array, a field programmable gate array) or a CPLD (Complex Programmable Logic Device) , complex programmable logic devices), the processor can also use a multi-core architecture.
  • CPU central processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic Device
  • complex programmable logic devices complex programmable logic devices
  • the processor is configured to execute any one of the methods provided by the embodiments of the present disclosure according to the obtained executable instructions by invoking the computer program stored in the memory.
  • the processor and memory may also be physically separated.
  • An embodiment of the present disclosure further provides a network-side device, as shown in FIG. 11 , including: a transceiver 1110, a memory 1120, a processor 1130, and a computer program stored in the memory and running on the processor; in,
  • the transceiver 1110 is configured to send configuration information for repeated transmission of the PDCCH between time slots to the terminal;
  • the processor 1130 is configured to, according to the configuration information, determine the time slots of at least two transmission occasions in which the PDCCH is repeatedly transmitted and the transmission resources of the time slot where each transmission occasion is located;
  • the transmission resources of the time slots are used to transmit the PDCCH.
  • the configuration information includes signaling for indicating repeated transmission of PDCCH between time slots and/or transmission configuration for repeated transmission of PDCCH.
  • the network side device wherein the transmission configuration includes at least one of the following:
  • the transmission resources configured by the network side equipment
  • the transmission resources include at least one of a control resource set CORESET, a search space set SS set and PDCCH candidate resources.
  • the configuration information includes a time slot where one transmission opportunity of the PDCCH repeated transmission is located in each transmission period, according to the configuration information, at least two PDCCH repeated transmissions are determined.
  • the time slot of the transmission opportunity including:
  • the configuration information includes the time slot where the kth transmission opportunity of the PDCCH repeated transmission is located in each transmission period, then determine that the time slot where the kth transmission opportunity is located is the time slot indicated in the configuration information, and use the following One way to determine the time slot where other transmission opportunities are located:
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located
  • the time slot where the other transmission opportunities are located is the previous time slot or the next time slot of the time slot where the kth transmission opportunity is located;
  • the time slots where other transmission opportunities are located include k-1 available time slots before the time slot where the kth transmission opportunity is located and K-k available time slots after the time slot where the kth transmission opportunity is located; where K is the maximum repetition of PDCCH repeated transmissions The number of transmissions, where k is greater than or equal to 1 and less than or equal to K.
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located.
  • the processor 1130 is further configured to: determine the configuration when the time slot where a transmission opportunity of the PDCCH repeated transmission indicated by the configuration information is located is an unavailable time slot A transmission occasion indicated by the information is transmitted on another transmission occasion or on a time slot where the other transmission occasion is located.
  • the network side device wherein the configuration information includes the first time slot of the PDCCH repeated transmission within a preset time period, or includes the location of the first transmission opportunity of the PDCCH repeated transmission within the preset time period.
  • the processor determines, according to the configuration information, the time slots of at least two transmission occasions for the repeated transmission of the PDCCH, including:
  • every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH; wherein, K is the maximum repeated transmission times of the PDCCH repeated transmission.
  • the processor 1130 determines the first time slot or an available time slot within a preset time period after the time slot where the first transmission opportunity is located, including:
  • SFI indication or PDCCH transmission resources determine the available time slots that can be used for PDCCH repeated transmission within the time range.
  • the network side device wherein, the relevant configuration information of the first time slot or the time slot where the first transmission opportunity is located includes at least one of the following:
  • the time slot or symbol interval between each repeated transmission is the time slot or symbol interval between each repeated transmission.
  • the available time slot is indicated by high-level signaling within a preset time period.
  • downlink time slot flexible and pre-configured time slot indicated by higher layer signaling that can be used for PDCCH transmission, downlink time slot with SS set to be monitored, or time slot or transmission opportunity indicated for the transmission configuration
  • the PDCCH in the time slot transmits the downlink time slot with the same PDCCH transmission resources;
  • the available time slot is the downlink time slot indicated by the high-level signaling within the preset time period
  • the flexible and preset time slot indicated by the high-level signaling can be used for A time slot for PDCCH transmission, a flexible time slot indicated by higher layer signaling and indicated by the SFI as a time slot with downlink symbols, a downlink time slot with an SS set to be monitored, or a time slot or transmission indicated for the transmission configuration
  • the PDCCH in the time slot where the opportunity is located transmits the downlink time slot with the same PDCCH transmission resources.
  • the network side device wherein the processor 1130 determines that in the available time slots, every K consecutive available time slots are respectively used to transmit K repeated transmissions of a PDCCH, including:
  • the time slot occupied by each repeated transmission is determined according to the number of repetitions K of transmission required for each repeated transmission, and each K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for one transmission occasion
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity
  • the transmission resource configured by the network side device is the transmission resource configured for the repeated transmission of the PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resources of different transmission occasions used for PDCCH repeated transmission are the same;
  • the transmission resources used for different transmission occasions of PDCCH repeated transmission are different.
  • the processor 1130 determines, according to the configuration information, that the transmission resource of the time slot where each transmission opportunity of the PDCCH repeated transmission is located includes at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity, determine the transmission resource of the time slot where each transmission opportunity is located according to the configuration information;
  • the configuration information includes the association relationship between the transmission resources of different transmission opportunities used for the repeated transmission of the PDCCH, according to the the transmission resources of the first transmission opportunity configured in the configuration information and the association relationship, and determine the transmission resources corresponding to the time slot where the second transmission opportunity is located, wherein the first transmission opportunity and the second transmission opportunity are different transmission timing.
  • the processor 1130 is further configured to:
  • the corresponding transmission resource is determined to be used for PDCCH transmission.
  • the method when the transmission configuration includes a time slot where a transmission opportunity of the PDCCH repeated transmission is located in each transmission period, the method further includes:
  • the transmission indication information includes at least one of the following:
  • the configuration information is indicated by at least one of high layer signaling, medium access control layer control unit MAC CE signaling and DCI signaling.
  • the transceiver 1110 is configured to receive and transmit data under the control of the processor 1130 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1130 and various circuits of memory represented by memory 1120 are linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
  • the bus interface provides the interface.
  • Transceiver 1110 may be a number of elements, including a transmitter and a receiver, providing means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like.
  • the processor 1130 is responsible for managing the bus architecture and general processing, and the memory 1120 may store data used by the processor 1130 in performing operations.
  • the processor 1130 may be a central processor (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (Complex Programmable Logic Device). , CPLD), the processor can also use a multi-core architecture.
  • CPU central processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • CPLD complex programmable logic device
  • An embodiment of the present disclosure further provides a PDCCH transmission apparatus, which is applied to a terminal.
  • the apparatus includes:
  • an information receiving unit 1210 configured to receive configuration information sent by the network side device for repeated transmission of the PDCCH between time slots;
  • a first processing unit 1220 configured to determine, according to the configuration information, the time slots of at least two transmission occasions for repeated transmission of the PDCCH and the transmission resources of the time slot where each transmission occasion is located;
  • the monitoring unit 1230 is configured to monitor the transmission of the PDCCH on the time slots of the at least two transmission occasions by using the transmission resources of the time slots in which the time slots are located.
  • the configuration information includes signaling for indicating repeated transmission of PDCCH between time slots and/or transmission configuration for repeated transmission of PDCCH.
  • the PDCCH transmission apparatus wherein the transmission configuration includes at least one of the following:
  • the transmission resources configured by the network side equipment
  • the transmission resources include at least one of a control resource set CORESET, a search space set SS set and PDCCH candidate resources.
  • the first processing unit 1220 determines the PDCCH repetition according to the configuration information.
  • the time slots of at least two transmission opportunities for transmission including:
  • the configuration information includes the time slot where the kth transmission opportunity of the PDCCH repeated transmission is located in each transmission period, then determine that the time slot where the kth transmission opportunity is located is the time slot indicated in the configuration information, and use the following One way to determine the time slot where other transmission opportunities are located:
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located
  • the time slot where the other transmission opportunities are located is the previous time slot or the next time slot of the time slot where the kth transmission opportunity is located;
  • the time slots where other transmission opportunities are located include k-1 available time slots before the time slot where the kth transmission opportunity is located and K-k available time slots after the time slot where the kth transmission opportunity is located; where K is the maximum repetition of PDCCH repeated transmissions The number of transmissions, where k is greater than or equal to 1 and less than or equal to K.
  • the PDCCH transmission apparatus wherein,
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located.
  • the first processing unit 1220 is further configured to: determine the configuration when the time slot where a transmission opportunity of the PDCCH repeated transmission indicated by the configuration information is located is an unavailable time slot A transmission occasion indicated by the information is transmitted on another transmission occasion or on a time slot where the other transmission occasion is located.
  • the PDCCH transmission apparatus wherein the configuration information includes the first time slot of the PDCCH repeated transmission within a preset time period, or includes the location of the first transmission opportunity of the PDCCH repeated transmission within the preset time period.
  • the first processing unit 1220 determines, according to the configuration information, the time slots of at least two transmission occasions for the repeated transmission of the PDCCH, including:
  • every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH; wherein, K is the maximum number of repeated transmissions of the PDCCH repeated transmission.
  • the first processing unit 1220 determines the first time slot or an available time slot within a preset time period after the time slot where the first transmission opportunity is located, including:
  • SFI indication or PDCCH transmission resources determine the available time slots that can be used for PDCCH repeated transmission within the time range.
  • the described PDCCH transmission apparatus wherein, the relevant configuration information of the first time slot or the time slot where the first transmission opportunity is located includes at least one of the following:
  • the time slot or symbol interval between each repeated transmission is the time slot or symbol interval between each repeated transmission.
  • the PDCCH transmission apparatus wherein, in the case that the network side device is not configured to monitor the time slot format to indicate that the SFI indicates the DCI signaling, the available time slot is indicated by the high-level signaling within a preset time period.
  • the PDCCH in the time slot transmits the downlink time slot with the same PDCCH transmission resources;
  • the available time slot is the downlink time slot indicated by the high-level signaling within the preset time period
  • the flexible and preset time slot indicated by the high-level signaling can be used for A time slot for PDCCH transmission, a flexible time slot indicated by higher layer signaling and indicated by the SFI as a time slot with downlink symbols, a downlink time slot with an SS set to be monitored, or a time slot or transmission indicated for the transmission configuration
  • the PDCCH in the time slot where the opportunity is located transmits the downlink time slot with the same PDCCH transmission resources.
  • the first processing unit 1220 determines that in the available time slots, every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH, including:
  • the time slot occupied by each repeated transmission is determined according to the number of repetitions K of transmission required for each repeated transmission, and each K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for one transmission occasion
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity
  • the transmission resource configured by the network side device is the transmission resource configured for the repeated transmission of the PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resources of different transmission occasions used for PDCCH repeated transmission are the same;
  • the transmission resources used for different transmission occasions of PDCCH repeated transmission are different.
  • the first processing unit 1220 determines, according to the configuration information, that the transmission resources of the time slot where each transmission opportunity of the PDCCH repeated transmission is located include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity, determine the transmission resource of the time slot where each transmission opportunity is located according to the configuration information;
  • the configuration information includes the association relationship between the transmission resources of different transmission opportunities used for the repeated transmission of the PDCCH, according to the the transmission resources of the first transmission opportunity configured in the configuration information and the association relationship, and determine the transmission resources corresponding to the time slot where the second transmission opportunity is located, wherein the first transmission opportunity and the second transmission opportunity are different transmission timing.
  • the first processing unit 1220 is further configured to:
  • the corresponding transmission resource is determined to be used for PDCCH transmission.
  • the information receiving unit 1210 is further configured to:
  • the transmission indication information includes at least one of the following:
  • the configuration information is indicated by at least one of higher layer signaling, medium access control layer control unit MAC CE signaling and downlink control information DCI signaling.
  • One of the embodiments of the present disclosure further provides a PDCCH transmission apparatus, which is applied to network-side equipment.
  • the apparatus includes:
  • an information sending unit 1310 configured to send configuration information for repeated transmission of PDCCH between time slots to the terminal;
  • the second processing unit 1320 is configured to determine, according to the configuration information, the time slots of at least two transmission occasions for repeated transmission of the PDCCH and the transmission resources of the time slot where each transmission occasion is located;
  • the transmission unit 1330 is configured to transmit the PDCCH on the time slots of the at least two transmission occasions by using the transmission resources of the time slots in which the time slots are located.
  • the configuration information includes signaling for indicating repeated transmission of PDCCH between time slots and/or transmission configuration for repeated transmission of PDCCH.
  • the PDCCH transmission apparatus wherein the transmission configuration includes at least one of the following:
  • the transmission resources configured by the network side equipment
  • the transmission resources include at least one of a control resource set CORESET, a search space set SS set and PDCCH candidate resources.
  • the second processing unit 1320 determines the PDCCH repetition according to the configuration information.
  • the time slots of at least two transmission opportunities for transmission including:
  • the configuration information includes the time slot where the kth transmission opportunity of the PDCCH repeated transmission is located in each transmission period, then determine that the time slot where the kth transmission opportunity is located is the time slot indicated in the configuration information, and use the following One way to determine the time slot where other transmission opportunities are located:
  • the time slot where the other transmission opportunities are located is the time slot where the kth transmission opportunity is located
  • the time slot where the other transmission opportunities are located is the previous time slot or the next time slot of the time slot where the kth transmission opportunity is located;
  • the time slots where other transmission opportunities are located include k-1 available time slots before the time slot where the kth transmission opportunity is located and K-k available time slots after the time slot where the kth transmission opportunity is located; where K is the maximum repetition of PDCCH repeated transmissions The number of transmissions, where k is greater than or equal to 1 and less than or equal to K.
  • the time slot where other transmission opportunities are located is the time slot where the kth transmission opportunity is located.
  • the second processing unit 1320 is further configured to: determine the configuration when the time slot where a transmission opportunity of the PDCCH repeated transmission indicated by the configuration information is located is an unavailable time slot A transmission occasion indicated by the information is transmitted on another transmission occasion or on a time slot where the other transmission occasion is located.
  • the PDCCH transmission apparatus wherein the configuration information includes the first time slot of the PDCCH repeated transmission within a preset time period, or includes the location of the first transmission opportunity of the PDCCH repeated transmission within the preset time period.
  • the second processing unit 1320 determines, according to the configuration information, the time slots of at least two transmission occasions for the repeated transmission of the PDCCH, including:
  • every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH; wherein, K is the maximum repeated transmission times of the PDCCH repeated transmission.
  • the second processing unit 1320 determines the first time slot or an available time slot within a preset time period after the time slot where the first transmission opportunity is located, including:
  • SFI indication or PDCCH transmission resources determine the available time slots that can be used for PDCCH repeated transmission within the time range.
  • the described PDCCH transmission apparatus wherein, the relevant configuration information of the first time slot or the time slot where the first transmission opportunity is located includes at least one of the following:
  • the time slot or symbol interval between each repeated transmission is the time slot or symbol interval between each repeated transmission.
  • the PDCCH transmission apparatus wherein, in the case that the network side device is not configured to monitor the time slot format to indicate that the SFI indicates the DCI signaling, the available time slot is indicated by the high-level signaling within a preset time period.
  • the PDCCH in the time slot transmits the downlink time slot with the same PDCCH transmission resources;
  • the available time slot is the downlink time slot indicated by the high-level signaling within the preset time period
  • the flexible and preset time slot indicated by the high-level signaling can be used for A time slot for PDCCH transmission, a flexible time slot indicated by higher layer signaling and indicated by the SFI as a time slot with downlink symbols, a downlink time slot with an SS set to be monitored, or a time slot or transmission indicated for the transmission configuration
  • the PDCCH in the time slot where the opportunity is located transmits the downlink time slot with the same PDCCH transmission resources.
  • the second processing unit 1320 determines that in the available time slots, every K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH, including:
  • the time slot occupied by each repeated transmission is determined according to the number of repetitions K of transmission required for each repeated transmission, and each K consecutive available time slots are respectively used to transmit K repeated transmissions of one PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for one transmission occasion
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity
  • the transmission resource configured by the network side device is the transmission resource configured for the repeated transmission of the PDCCH.
  • the transmission resources configured by the network side device include at least one of the following:
  • the transmission resources of different transmission occasions used for PDCCH repeated transmission are the same;
  • the transmission resources used for different transmission occasions of PDCCH repeated transmission are different.
  • the second processing unit 1320 determines, according to the configuration information, that the transmission resources of the time slot where each transmission opportunity of the PDCCH repeated transmission is located include at least one of the following:
  • the transmission resource configured by the network side device is the transmission resource configured for each transmission opportunity, determine the transmission resource of the time slot where each transmission opportunity is located according to the configuration information;
  • the configuration information includes the association relationship between the transmission resources of different transmission opportunities used for the repeated transmission of the PDCCH, according to the the transmission resources of the first transmission opportunity configured in the configuration information and the association relationship, and determine the transmission resources corresponding to the time slot where the second transmission opportunity is located, wherein the first transmission opportunity and the second transmission opportunity are different transmission timing.
  • the second processing unit 1320 is further configured to:
  • the corresponding transmission resource is determined to be used for PDCCH transmission.
  • the information sending unit 1310 is further configured to:
  • the transmission indication information includes at least one of the following:
  • the configuration information is indicated by at least one of higher layer signaling, medium access control layer control unit MAC CE signaling and DCI signaling.
  • each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a processor-readable storage medium.
  • the technical solutions of the present disclosure can be embodied in the form of software products in essence, or the parts that contribute to related technologies, or all or part of the technical solutions, and the computer software products are stored in a storage medium.
  • a computer device which may be a personal computer, a server, or a network device, etc.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .
  • An embodiment of the present disclosure further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program for causing the processor to execute the PDCCH according to any one of the above transfer method.
  • the processor-readable storage medium can be any available medium or data storage device that can be accessed by a processor, including, but not limited to, magnetic storage (eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (eg, CD, DVD, BD, HVD, etc.), and semiconductor memory (eg, ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state disk (SSD)), etc.
  • magnetic storage eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.
  • optical storage eg, CD, DVD, BD, HVD, etc.
  • semiconductor memory eg, ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH),
  • embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein, including but not limited to disk storage, optical storage, and the like.
  • modules can all be implemented in the form of software calling through processing elements; they can also all be implemented in hardware; some modules can also be implemented in the form of calling software through processing elements, and some modules can be implemented in hardware.
  • the determination module may be a separately established processing element, or may be integrated into a certain chip of the above-mentioned device to be implemented, in addition, it may also be stored in the memory of the above-mentioned device in the form of program code, and a certain processing element of the above-mentioned device may Call and execute the function of the above determined module.
  • the implementation of other modules is similar. In addition, all or part of these modules can be integrated together, and can also be implemented independently.
  • the processing element described here may be an integrated circuit with signal processing capability. In the implementation process, each step of the above-mentioned method or each of the above-mentioned modules can be completed by an integrated logic circuit of hardware in the processor element or an instruction in the form of software.
  • each module, unit, sub-unit or sub-module may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuit (ASIC), or, one or Multiple microprocessors (digital signal processors, DSP), or, one or more field programmable gate arrays (Field Programmable Gate Array, FPGA), etc.
  • ASIC Application Specific Integrated Circuit
  • DSP digital signal processors
  • FPGA Field Programmable Gate Array
  • the processing element may be a general-purpose processor, such as a central processing unit (Central Processing Unit, CPU) or other processors that can call program codes.
  • CPU central processing unit
  • these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).
  • SOC system-on-a-chip

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

Abstract

L'invention concerne un procédé et un appareil de transmission de PDCCH, ainsi qu'un terminal et un dispositif côté réseau. Le procédé consiste : à recevoir des informations de configuration envoyées par un dispositif côté réseau et utilisées pour une retransmission de PDCCH inter-intervalle ; en fonction des informations de configuration, à déterminer des intervalles d'au moins deux occasions de transmission pour la retransmission de PDCCH, et une ressource de transmission d'un intervalle dans lequel chaque occasion de transmission est située ; et à surveiller la transmission de PDCCH à l'aide des ressources de transmission de l'intervalle dans les intervalles des au moins deux occasions de transmission.
PCT/CN2022/070715 2021-01-18 2022-01-07 Procédé et appareil de transmission de pdcch, terminal et dispositif côté réseau WO2022152052A1 (fr)

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CN202110065059.9 2021-01-18

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