WO2020082933A1 - Procédé et appareil de transmission de données - Google Patents

Procédé et appareil de transmission de données Download PDF

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Publication number
WO2020082933A1
WO2020082933A1 PCT/CN2019/106004 CN2019106004W WO2020082933A1 WO 2020082933 A1 WO2020082933 A1 WO 2020082933A1 CN 2019106004 W CN2019106004 W CN 2019106004W WO 2020082933 A1 WO2020082933 A1 WO 2020082933A1
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WO
WIPO (PCT)
Prior art keywords
type
dci
terminal
interruption
symbol
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PCT/CN2019/106004
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English (en)
Chinese (zh)
Inventor
高雪娟
托尼
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电信科学技术研究院有限公司
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Publication of WO2020082933A1 publication Critical patent/WO2020082933A1/fr

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    • 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
    • H04W72/12—Wireless traffic scheduling
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information

Definitions

  • the present application relates to the field of wireless communication technology, and in particular, to a data transmission method and device.
  • the base station can directly transmit the data of the high-priority service over the data of the low-priority service, but if the terminal receiving the low-priority service does not know such processing, it The data is received as its own data, which reduces the detection performance, and when the retransmission occurs, the data of other terminals is retransmitted and merged as its own data, resulting in error propagation.
  • an interruption indication also called preemption indication for downlink transmission
  • the transmission of the interruption instruction information needs to have high reliability.
  • Embodiments of the present application provide a data transmission method and device for reliably transmitting interruption indication information.
  • a data transmission method includes: a first terminal receives a first type of DCI, and performs data transmission according to the first type of DCI.
  • the first type of DCI includes an interruption indication information field and at least one scheduling information field.
  • the interruption indication information field is used to transmit interruption indication information of at least the first terminal
  • the scheduling information field is used to transmit scheduling information of at least the second terminal.
  • the number of scheduling information fields included in the first type of DCI is multiple, one scheduling information field is used to transmit scheduling information of one terminal, and different scheduling information fields transmit scheduling information of different terminals.
  • the interruption indication information field is used to transmit at least the interruption indication information of the first terminal, including: the interruption indication information field is used to indicate an interruption condition in a reference resource, when the resource is referenced
  • the domain area is the interval between two DCI transmission opportunities of the first type, and the frequency domain area of the reference resource is the activated bandwidth part (Band Width Part, BWP) of a carrier.
  • BWP Band Width Part
  • the interruption indication information is used to indicate the interruption of downlink transmission;
  • the time domain area of the reference resource is:
  • the reference resource does not include the uplink symbol determined according to the semi-statically configured slot structure.
  • the interruption indication information is used to indicate the interruption of uplink transmission;
  • the time domain area of the reference resource is:
  • the reference resource does not include the downlink symbol determined according to the semi-statically configured slot structure.
  • the number of bits of the interruption indication information transmitted in the interruption indication information domain is A * B bits, and each bit corresponds to a time-frequency resource composed of a time domain region and a frequency domain region in the reference resource Block, the different status of each bit indicates whether there is an interruption in the corresponding time-frequency resource block, where A is the number of time-domain regions where the reference resource is divided, B is the number of frequency-domain regions where the reference resource is divided, A and B are all positive integers.
  • the time domain length of the reference resource indicated by the interruption indication information field included in the first type of DCI is different, for different reference resource time domain lengths, A The values are different or the same.
  • the reference resource is included according to the previous (N mod A) group Symbols, after (A- (N mod A)) group contains Symbols, or, according to the previous (A- (N mod A)) group Symbols, after (N mod A) group contains Symbols, divided into A regions, where N is the number of symbols included in the reference resource; or, if the time domain length of different reference resources is the same as the value of A, when the reference resource contains the number of symbols When it is less than A, only the first N * B bits or the last N * B bits or the higher N * B bits or the lower N * B bits of the A * B bits are used to correspond to each symbol and B frequency domain
  • the method further includes: the first terminal receives signaling, and determines the configuration information of A and B according to the signaling, and the configuration of A and B The information indicates one of the various value combinations of A and B.
  • the number of bits of the interruption indication information transmitted in the interruption indication information field is P, and each bit corresponds to a terminal, which is used to indicate whether the corresponding terminal has an interruption in the reference resource, where P Predefined or preconfigured positive integer.
  • the first type of DCI is multicast DCI.
  • the first terminal is: a terminal that is configured or supports at least a first service type; or a terminal that does not support a second service type; or, uses a first type DCI format to send scheduling signaling Terminal; or, the terminal that uses the first control resource set (ControlReset, CORESET) or the first search space to send scheduling signaling; or, the first radio network temporary identifier (Radio Network Tempory Identity, RNTI) to scramble the scheduling signal Terminal; or a terminal with a target block error rate (Block Error Rate, BLER) lower than 10-5 or 10-6; or a terminal configured with a 64QAM / 256QAM CQI / MCS table;
  • the second terminal is: a terminal configured or supporting at least a second service type; or a terminal that uses the second type DCI format to send scheduling signaling; or a terminal that uses the second CORESET or second search space to send scheduling signaling; Or, a terminal using the second RNTI scrambling scheduling signaling; or a terminal with a target BLER of 10-5 or 10-6; or a terminal configured with a URLLC CQI / MCS table.
  • the first service type is eMBB
  • the second service type is URLLC
  • the first service type is a low priority service type
  • the second service type is a high priority service type
  • the first service type and the first The second service type is the same service type corresponding to different priorities.
  • the first terminal performs data transmission according to the first type of DCI, including: the first terminal performs data transmission according to the interruption indication information transmitted by the interruption indication information field included in the first type of DCI.
  • the first terminal performs data transmission according to the interruption instruction information transmitted in the interruption instruction information field included in the first type of DCI, Including: if the interruption indication information is used to indicate the interruption of the downlink transmission, then no information will be received on the interruption resource indicated by the interruption indication information, or it will be received on the interruption resource indicated by the interruption indication information The information is set to zero, or it is determined that the information received on the interrupt resource indicated by the interrupt indication information does not participate in the subsequent retransmission merge; or, if the interrupt indication information is used to indicate the interruption of the uplink transmission, then the No information is sent on the interrupt resource indicated by the interrupt instruction information, or the uplink transmission containing the interrupt resource indicated by the interrupt instruction information is stopped.
  • the interrupt resource is a time-frequency domain resource block in the corresponding reference resource that is indicated to be interrupted.
  • the first terminal performs data transmission according to the interruption indication information transmitted in the interruption indication information field included in the first type of DCI, including: If the interruption indication information is used to indicate the interruption of the downlink transmission, then no information is received on the reference resource corresponding to the interruption indication information, or the information received on the reference resource corresponding to the interruption indication information is set to zero, or Determine that the information received on the reference resource corresponding to the interruption indication information does not participate in the subsequent retransmission merge; or, if the interruption indication information is used to indicate the interruption of the uplink transmission, on the reference resource corresponding to the interruption indication information No information is sent, or the uplink transmission containing the reference resource corresponding to the interruption indication information is stopped.
  • the method further includes: if the first terminal does not detect the first type of DCI, determine that there is no interruption in the corresponding reference resource.
  • the first terminal after receiving the first type of downlink control information DCI, the first terminal further includes: the first terminal only reads the interruption indication information field in the first type of DCI.
  • the first terminal receiving the first type DCI includes: the first terminal receives the first type DCI in each transmission opportunity of the first type DCI; or, the first terminal receives its own scheduling Receive the first type of DCI among the first type of DCI transmission opportunities after signaling; or, the first type of DCI's transmission opportunity after the first terminal receives its own scheduling signaling and before its scheduled uplink transmission end position The first type of DCI is received.
  • a data transmission method includes: a base station generates interruption indication information for a first terminal, and carries the interruption indication information in a DCI interruption indication information field, and the base station sends the first DCI-like.
  • the first type of DCI includes an interruption indication information field and at least one scheduling information field.
  • the interruption indication information field is used to transmit interruption indication information of at least the first terminal
  • the scheduling information field is used to transmit scheduling information of at least the second terminal.
  • the number of scheduling information fields included in the first type of DCI is multiple, one scheduling information field is used to transmit scheduling information of one terminal, and different scheduling information fields transmit scheduling information of different terminals.
  • the interruption indication information field is used to transmit at least the interruption indication information of the first terminal, including: the interruption indication information field is used to indicate an interruption condition in one reference resource, and the time domain area of the reference resource is two
  • the interval between the transmission opportunities of the first type of DCI, the frequency domain area of the reference resource is the activated BWP of a carrier.
  • the interruption indication information is used to indicate the interruption of downlink transmission;
  • the time domain area of the reference resource is:
  • the reference resource does not include the uplink symbol determined according to the semi-statically configured slot structure.
  • the interruption indication information is used to indicate the interruption of uplink transmission;
  • the time domain area of the reference resource is:
  • the reference resource does not include the downlink symbol determined according to the semi-statically configured slot structure.
  • the number of bits of the interruption indication information transmitted in the interruption indication information domain is A * B bits, and each bit corresponds to a time-frequency resource composed of a time domain region and a frequency domain region in the reference resource Block, the different status of each bit indicates whether there is an interruption in the corresponding time-frequency resource block, where A is the number of time-domain regions where the reference resource is divided, B is the number of frequency-domain regions where the reference resource is divided, A and B are all positive integers.
  • the time domain length of the reference resource indicated by the interruption indication information field included in the first type of DCI is different, for different reference resource time domain lengths, A The values are different or the same.
  • the reference resource is included according to the previous (N mod A) group Symbols, after (A- (N mod A)) group contains Symbols, or, according to the previous (A- (N mod A)) group Symbols, after (N mod A) group contains Symbols, divided into A regions, where N is the number of symbols included in the reference resource; or, if the time domain length of different reference resources is the same as A, the number of symbols included in the reference resource When it is less than A, only the first N * B bits or the last N * B bits or the higher N * B bits or the lower N * B bits of the A * B bits are used to correspond to each symbol and B frequency domain regions in the
  • the method further includes: the base station sends signaling to the first terminal, the signaling includes configuration information of A and B, and configuration of A and B The information indicates one of the various value combinations of A and B.
  • the number of bits of the interruption indication information transmitted in the interruption indication information field is P, and each bit corresponds to a terminal, which is used to indicate whether the corresponding terminal has an interruption in the reference resource, where P Predefined or preconfigured positive integer.
  • the first type of DCI is multicast DCI.
  • the first terminal is: a terminal that is configured or supports at least a first service type; or a terminal that does not support a second service type; or, uses a first type DCI format to send scheduling signaling Terminal; or, a terminal that uses the first CORESET or the first search space to send scheduling signaling; or, a terminal that uses the first RNTI scrambling scheduling signaling; or, a terminal with a target BLER lower than 10-5 or 10-6; Or, a terminal configured with a 64QAM / 256QAM CQI / MCS form;
  • the second terminal is: a terminal configured or supporting at least a second service type; or a terminal that uses the second type DCI format to send scheduling signaling; or a terminal that uses the second CORESET or second search space to send scheduling signaling; Or, a terminal using the second RNTI scrambling scheduling signaling; or a terminal with a target BLER of 10-5 or 10-6; or a terminal configured with an ultra-high reliability and low-latency communication URLLC CQI / MCS table.
  • the first service type is eMBB and the second service type is URLLC; or, the first service type is a low-priority service type, and the second service type is a high-priority service type; or, the first service type And the second service type are the same service type corresponding to different priorities.
  • the number of bits of the interruption indication information transmitted in the interruption indication information field is A * B; the method further includes:
  • the interruption indication information is used to indicate the interruption of the downlink transmission, the downlink transmission for the first terminal is not sent on the interruption resource indicated by the interruption indication information, or the interruption indicated by the interruption indication information will be sent
  • the downlink transmission information for the first terminal on the resource is set to zero;
  • the interruption indication information is used to indicate the interruption of the uplink transmission, then the uplink transmission from the first terminal is not received on the interruption resource indicated by the interruption indication information, or the indication indicated by the interruption indication information is not received. Uplink transmission of the first terminal that interrupts resources.
  • the number of bits of the interruption indication information transmitted in the interruption indication information field is P; the method further includes:
  • the downlink transmission for the first terminal is not sent on the reference resource corresponding to the interruption indication information, or it will be sent on the reference resource corresponding to the interruption indication information
  • the downlink transmission information for the first terminal is set to zero;
  • the interruption indication information is used to indicate the interruption of the uplink transmission, the uplink transmission from the first terminal is not received on the reference resource corresponding to the interruption indication information, or the reference corresponding to the interruption indication information is not received The uplink transmission of the first terminal of the resource.
  • the base station sending the first type of DCI includes: the base station sending the first type of DCI in each transmission opportunity of the first type of DCI; or, after the base station sends scheduling signaling to the first terminal The first type DCI is sent in the first type DCI transmission opportunity; or, the base station sends the first type DCI in the first type DCI transmission opportunity after sending the scheduling signaling to the first terminal and before the scheduled uplink transmission end position .
  • a terminal including: a receiving module for receiving a first type of DCI, the first type of DCI includes an interruption indication information field and at least one scheduling information field, and the interruption indication information field is used to transmit at least a first The interruption indication information of the terminal, the scheduling information field is used to transmit at least the scheduling information of the second terminal; the transmission module is used to perform data transmission according to the first type of DCI.
  • a base station including: a processing module for generating interruption indication information of a first terminal, and carrying the interruption indication information in a DCI interruption indication information field; wherein, the first The DCI-like includes an interruption indication information field and at least one scheduling information field, the interruption indication information field is used to transmit interruption indication information of at least the first terminal, and the scheduling information field is used to transmit scheduling information of at least the second terminal; the sending module, Used to send the first type of DCI.
  • a communication device including: a processor, a memory, and a transceiver; a processor, configured to read computer instructions in the memory, and execute the method according to any one of the above-mentioned first aspects.
  • a communication device including: a processor, a memory, and a transceiver; and a processor, configured to read computer instructions in the memory, and execute the method according to any one of the above-mentioned second aspects.
  • a computer-readable storage medium stores computer-executable instructions.
  • the computer-executable instructions are used to cause a computer to perform the method according to any one of the first aspects described above.
  • a computer-readable storage medium stores computer-executable instructions.
  • the computer-executable instructions are used to cause the computer to perform the method according to any one of the second aspects above.
  • the first type of DCI includes an interruption indication information field and at least one scheduling information field
  • the interruption indication information field is used to transmit at least the interruption indication information of the first terminal
  • the scheduling information field is used to transmit at least The scheduling information of the second terminal, so that the interruption instruction information for the first terminal and the scheduling information for the second terminal are transmitted in the same DCI, can ensure the reliable transmission of the interruption instruction information.
  • the first terminal is a terminal that is configured or supports at least a first service type or the first terminal is a terminal that does not support a second service type, and the second terminal is configured or supports at least a second service Type of terminal, the second service type is a service type that requires high reliability transmission, so that the transmission of the interruption indication information and the scheduling information of the second service type is realized through one DCI, thereby ensuring the transmission performance of the interruption indication information On the basis, avoid transmitting two independent DCIs with high reliability to reduce the transmission efficiency of DCI.
  • FIG. 1 is a schematic diagram of a data transmission process implemented on a base station side provided by an embodiment of this application;
  • FIG. 2 is a schematic diagram of a data transmission process implemented on a terminal side provided by an embodiment of this application;
  • 3 is a schematic diagram of the correspondence between the bits in the interruption indication information and time-frequency resources in the embodiment of the present application;
  • FIG. 4 is a schematic diagram of a transmission opportunity of a first type of DCI in a specific application scenario of an embodiment of this application;
  • FIG. 5 is a schematic structural diagram of an interruption indication information field and a scheduling information field in a first type of DCI in a specific application scenario of an embodiment of this application;
  • FIG. 7, FIG. 8, and FIG. 9 are schematic diagrams of reference resources of the first type of DCI in specific application scenarios according to embodiments of the present application;
  • FIG. 10 is a schematic structural diagram of a terminal provided by an embodiment of this application.
  • FIG. 11 is a schematic structural diagram of a base station provided by an embodiment of this application.
  • FIG. 12 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 13 is a schematic structural diagram of a communication device according to another embodiment of the present application.
  • the term “plurality” refers to two or more, and other quantifiers are similar.
  • a base station is a device that connects a terminal to a wireless network, including but not limited to: evolved Node B (evolved Node B, eNB), radio network controller (Radio Network Controller, RNC), and node B ( Node B, NB), Base Station Controller (BSC), Base Transceiver Station (BTS), Home Base Station (for example, Home Evolved NodeB, HENB), or Home Node B, HNB)), baseband unit (Base, Band Unit, BBU), wireless fidelity (Wireless Fidelity, WIFI) access point (Access Point, AP), transmission point (Transmission And Receiver Point, TRP or Transmission Point, TP) , Continuous Evolved Node B (CENB), etc.
  • evolved Node B evolved Node B
  • RNC Radio Network Controller
  • RNC Radio Network Controller
  • Node B Node B, NB
  • BSC Base Station Controller
  • BTS Base Transceiver Station
  • HNB Home Node B, HNB
  • baseband unit Base,
  • a terminal is a device that provides voice and / or data connectivity to users, and can include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices, drones, or connected to wireless Modem other processing equipment, as well as various forms of user equipment (User Equipment, UE), mobile station (Mobile Station, MS), terminal (Terminal Equipment, TE), transmission point (Transmission And Receiver Point, TRP or Transmission Point, TP) etc.
  • User Equipment User Equipment
  • MS Mobile Station
  • terminal Terminal
  • Terminal Terminal
  • TRP Transmission And Receiver Point
  • TP Transmission Point
  • the base station may transmit the interruption indication information for the first service type and the scheduling information for the second service type to the terminal in the same downlink control information (Downlink Control Information, DCI), in which the second service The type may be a service type requiring high reliability transmission, so that the transmission of the interruption indication information and the scheduling information of the second service type is realized through one DCI, and on the basis of ensuring the transmission performance of the interruption indication information, separate transmission can be avoided Two independent DCIs with high reliability reduce the transmission efficiency of DCI.
  • DCI Downlink Control Information
  • FIG. 1 it is a schematic diagram of a data transmission process implemented on a base station side according to an embodiment of the present application.
  • the data transmission process may include:
  • the base station generates interruption indication information of the first terminal, and carries the interruption indication information in the interruption indication information field of the first type of DCI.
  • the first type of DCI includes an interruption indication information field and at least one scheduling information field.
  • the interruption indication information field is used to transmit interruption indication information of at least the first terminal
  • the scheduling information field is used to transmit scheduling information of at least the second terminal. .
  • the interruption indication information field included in the first type of DCI may be used to transmit interruption indication information of one or more first terminals.
  • the number of scheduling information fields included in the first type of DCI may be one or more. If there are multiple, each scheduling information field corresponds to one second terminal, which is used to transmit scheduling information of one second terminal, and different scheduling information fields transmit scheduling information of different second terminals.
  • the interruption instruction information may be interruption instruction information for downlink transmission, or may be interruption instruction information for uplink transmission.
  • the scheduling information may be uplink scheduling information or downlink scheduling information.
  • the first terminal may be one of the following terminals:
  • the physical downlink control channel Physical Downlink Control Channel, PDCCH
  • PDCCH Physical Downlink Control Channel
  • OFDM Orthogonal Frequency Division Multiplexing
  • the PDCCH starts OFDM Information such as symbol number and PDCCH monitoring period is in the configuration of the search space (Search Space).
  • Radio Network Tempory Identity Radio Network Tempory Identity, RNTI
  • BLER target block error rate
  • QAM is the abbreviation of Quadrature Amplitude Modulation, that is, quadrature amplitude modulation
  • CQI is the abbreviation of Managing Quality, Institute, which is the channel quality indicator
  • MCS is the abbreviation of Modulation and Coding Scheme, which is the modulation and coding strategy.
  • the second terminal may be one of the following terminals:
  • the first service type is eMBB
  • the second service type is URLLC
  • the first service type is a low priority service type
  • the second service type is a high priority service type
  • the first service type and the second service type are the same service type corresponding to different priorities, wherein the priority corresponding to the second service type is higher than the priority corresponding to the first service type, for example, the first type of service type For low-priority URLLC services, the second type of service is for high-priority URLLC services.
  • the service type can be implicitly identified and embodied through the specific configuration of the terminal, without directly configuring or indicating a certain service type to the terminal.
  • the first type of service type may be equivalent to sending scheduling signaling using the first type of DCI format
  • the terminal configured or supporting the first type of service type is equivalent to sending scheduling signaling using the first type of DCI format.
  • the second type of service type may be equivalent to use the second type of DCI format to send scheduling signaling
  • the terminal that configures or supports the second type of service type is equivalent to a terminal using the second type of DCI format to send scheduling signaling.
  • the first type of service type may be equivalent to use the first CORESET or the first search space to send scheduling signaling
  • the terminal that configures or supports the first type of service type is equivalent
  • the second type of service type can be equivalent to using the second CORESET or the second search space to send scheduling signaling, and then configure or support the second type of service type
  • the terminal is equivalent to a terminal that uses the second CORESET or the second search space to send scheduling signaling.
  • the first type of service type can be equivalent to using the first RNTI scrambling scheduling signaling, then the terminal that configures or supports the first type of service type is equivalent to using the first
  • the second type of service may be equivalent to using the second RNTI scrambling scheduling signaling, and then a terminal that configures or supports the second type of service is equivalent to scrambling its terminal by using the second RNTI Scheduling signaling terminal.
  • the first type of service type can be equivalent to the target BLER lower than 10-5 or 10-6 (such as 10-2 or 10-1), then configure or support the first
  • the terminal of the first type of service is equivalent to the terminal with a target BLER lower than 10-5 or 10-6 (for example, 10-2 or 10-1)
  • the first type of service type can be equivalent to the configuration of 64QAM / 256QAM CQI table (corresponding to the MCS table of 64QAM / 256QAM), then configure or support the first type of service type
  • the terminal is equivalent to a terminal configured with a 64QAM / 256QAM CQI table.
  • the second type of service can be equivalent to a URLLC CQI table (corresponding to the MCS table of URLLC). Equivalent to a terminal configured with a URLLC CQI table.
  • S102 The base station sends the first type of DCI.
  • the base station may send the first type DCI in each first type DCI transmission opportunity, or may send the first type in the first type DCI transmission opportunity after sending scheduling signaling to the first terminal
  • the DCI may also send the first type of DCI in the transmission opportunity of the first type of DCI after sending the scheduling signaling to the first terminal and before the scheduled upstream transmission end position.
  • the above method may further include the following steps: before sending the first type of DCI, the base station generates scheduling information of the second terminal, and carries the scheduling information in the scheduling information field of the first type of DCI.
  • FIG. 2 it is a schematic diagram of a data transmission process implemented on a terminal side provided by an embodiment of this application.
  • the data transmission process may include:
  • the first terminal receives the first type of DCI.
  • the first type of DCI includes an interruption indication information field and at least one scheduling information field.
  • the interruption indication information field is used to transmit at least the interruption indication information of the first terminal.
  • the scheduling information field is used For transmitting scheduling information of at least the second terminal;
  • S202 The first terminal performs data transmission according to the first type of DCI.
  • the data transmission method implemented on the terminal side further includes: if the first terminal does not detect the first type of DCI, determining that there is no interruption in the corresponding reference resource.
  • the data transmission method implemented on the terminal side further includes: after receiving the first type of downlink control information DCI, the first terminal only reads the interrupt indication information field in the first type of DCI.
  • the interruption indication information field in the first type of DCI is used to indicate an interruption condition in a reference resource.
  • the time domain region of the reference resource is the interval between two DCI transmission opportunities, and the frequency domain region of the reference resource is the activated bandwidth part (Band Width Part, BWP) of a carrier.
  • the terminal may stop sending or receiving or use other methods to achieve transmission interruption on the transmission resource corresponding to the first terminal in the time-frequency region occupied by the reference resource.
  • the interruption indication information may be used to indicate the interruption of downlink transmission, and may also be used to indicate the interruption of uplink transmission.
  • the time domain area of the reference resource may be one of the following time domain areas:
  • the reference resource does not include the uplink symbol determined according to the semi-statically configured slot structure.
  • the time domain area of the reference resource is the above area, it is necessary to remove the uplink symbol determined in the above area according to the semi-statically configured slot structure.
  • the time domain area of the reference resource is one of the following time domain areas:
  • the reference resource does not include the downlink symbol determined according to the semi-statically configured slot structure. That is to say, when the time domain area of the reference resource is the above area, the downlink symbol determined according to the semi-statically configured slot structure needs to be removed.
  • the number of bits of the interruption indication information transmitted in the interruption indication information field of the first type of DCI is A * B bits, and each bit corresponds to the above reference resource A time-frequency resource block composed of a time-domain region and a frequency-domain region, different states of each bit (that is, different values of each bit) indicate whether there is an interruption in the corresponding time-frequency resource block.
  • A is the number of time domain regions where the reference resource is divided
  • B is the number of frequency domain regions where the reference resource is divided
  • a and B are both positive integers.
  • the terminal can determine on which time-frequency domain resources to stop receiving or sending or use other methods to achieve transmission interruption, and on which time-frequency resources to keep receiving or sending.
  • the time domain length of the reference resource indicated by the interruption indication information field included in the first type of DCI (such as the number of symbols contained in the reference resource) is different, then the time domain length of different reference resources, the value of A may be the same or different.
  • the terminal may use different DCI sizes to detect the first type of DCI in different transmission opportunities of the first type of DCI.
  • the reference resource is included in the previous (N mod A) group Symbols, after (A- (N mod A)) group contains Symbols, or, according to the previous (A- (N mod A)) group Symbols, after (N mod A) group contains Symbols are divided into A regions, where N is the number of symbols included in the reference resource.
  • mod means modulo operation, Means round up, Means round down.
  • the time domain length of different reference resources is the same as the value of A
  • the number of symbols contained in the reference resource is less than A
  • only the first N * B bits or the last N of the A * B bits are used * B-bit or high-order N * B-bit or low-order N * B-bit correspond to a time-frequency resource block composed of each symbol in the reference resource and B frequency domain regions, respectively, where N is the number of symbols included in the reference resource.
  • the combination of A and B can be pre-configured through signaling, for example, in ⁇ A1, B1 ⁇ , ⁇ A2, B2 ⁇ A group that.
  • the method shown in FIG. 1 further includes: the base station sends signaling to the first terminal, the signaling includes configuration information of A and B, and the configuration information of A and B indicates the combination of the various value combinations of A and B One kind.
  • the method shown in FIG. 2 further includes: the terminal receives the above instruction sent by the base station, and determines one of various value combinations of A and B according to the configuration information of A and B contained in the above instruction.
  • the interrupt indication information in the first type of DCI is a bit sequence, and each bit in the bit sequence corresponds to a time-frequency domain region in the reference resource , Used to indicate whether there is an interruption in the corresponding time-frequency domain.
  • the terminal can determine on which time-frequency domain resources to stop receiving or sending or use other methods to achieve transmission interruption, and on which time-frequency resources to keep receiving or sending.
  • the interruption indication information may adopt a bitmap (Bitmap) method, each bit corresponds to a time-frequency domain division area in the above reference resource, and if a certain bit takes a value of "1", it indicates the corresponding time-frequency domain There is an interruption in the area. If a certain bit takes the value "0", it means that there is no interruption in the corresponding time-frequency domain. Vice versa, for example, if a certain bit has a value of "0”, it indicates that there is an interruption in the corresponding time-frequency domain, and if a certain bit has a value of "1", it indicates that there is no interruption in the corresponding time-frequency domain. .
  • Bitmap Bitmap
  • the interruption indication information included in the first type of DCI may be a bit sequence, and the number of bits in the bit sequence is P, and each bit corresponds to a terminal.
  • P is a positive integer pre-defined or pre-configured.
  • P is the number of terminals that transmit interruption indication information in the same first-type DCI.
  • the terminal can determine whether there is an interruption in the above reference resource according to the interruption indication information.
  • the first type of DCI is multicast (Group) Common DCI.
  • the multicast DCI uses a specific RNTI scrambling, that is, DCI shared by multiple terminals.
  • the terminal may use the specific RNTI to descramble the first type of DCI.
  • multicast DCI can also be transmitted in a specific search space, such as in a common search space (Common Search Space, CSS).
  • the method shown in FIG. 1 may further include the following step: the base station performs data transmission according to the interruption indication information in the first type of DCI.
  • the base station adopts a corresponding method for data transmission, which may specifically include:
  • Method 1 When the number of bits of the interruption indication information transmitted in the interruption indication information field of the first type of DCI is A * B:
  • the interruption indication information is used to indicate the interruption of the downlink transmission
  • the downlink transmission for the first terminal is not sent on the interruption resource indicated by the interruption indication information, or the interruption indication will be sent
  • the information about the downlink transmission of the first terminal on the interrupt resource indicated by the information is set to zero.
  • the uplink transmission from the first terminal is not received on the interruption resource indicated by the interruption indication information, or from The uplink transmission of the first terminal that interrupts the resource indicated by the interruption instruction information. That is, the uplink transmission of the first terminal is not received from the starting position of the uplink transmission, that is, the entire channel of the first terminal is not received, or the uplink transmission of the first terminal is not received from the position where the interruption indication information is effective.
  • the interruption indication information is used to indicate the interruption of the downlink transmission
  • the downlink transmission for the first terminal is not sent on the reference resource corresponding to the interruption indication information, or the interruption indication information will be sent
  • the information for the downlink transmission of the first terminal on the corresponding reference resource is set to zero.
  • the interruption indication information is used to indicate the interruption of the uplink transmission
  • the uplink resource from the first terminal is not received on the reference resource corresponding to the interruption indication information, or from the Interrupt the uplink transmission of the first terminal of the reference resource corresponding to the indication information. That is, the uplink transmission of the first terminal is not received from the starting position of the uplink transmission, that is, the entire channel of the first terminal is not received, or the uplink transmission of the first terminal is not received from the position where the interruption indication information is effective.
  • the first terminal may perform data transmission according to the interruption indication information transmitted in the interruption indication information field included in the first type of DCI.
  • the terminal may perform data transmission in the following ways:
  • Method 1 When the number of bits of the interruption indication information transmitted in the interruption indication information field of the first type of DCI is A * B:
  • the interruption indication information is used to indicate the interruption of downlink transmission, the interruption resource indicated by the interruption indication information is not received, or the interruption indicated by the interruption indication information is not received.
  • the information received on the resource is set to zero, or it is determined that the information received on the interrupt resource indicated by the interrupt indication information does not participate in the subsequent retransmission merge.
  • interruption indication information is used to indicate the interruption of the uplink transmission
  • no information is sent on the interruption resource indicated by the interruption indication information (other resources that are not indicated for interruption may be Send), or stop the uplink transmission that contains the interruption resource indicated by the interruption instruction information (for example, stop from the starting position of the uplink transmission, or stop after the interruption instruction is parsed, including may not be indicated Interrupted transmission on resources).
  • the interrupt resource is a time-frequency domain resource block in the corresponding reference resource that is indicated to be interrupted.
  • the interruption indication information if used to indicate the interruption of the downlink transmission, the information will not be received on the reference resource corresponding to the interruption indication information, or it will be received on the reference resource corresponding to the interruption indication information.
  • the information is set to zero, or it is determined that the information received on the reference resource corresponding to the interruption indication information does not participate in the subsequent retransmission merge.
  • interruption indication information is used to indicate the interruption of the uplink transmission
  • no information is sent on the reference resource corresponding to the interruption indication information (other resources that are not indicated to be interrupted may be sent) )
  • stop the uplink transmission that contains the reference resource corresponding to the interruption instruction information for example, stop from the starting position of the uplink transmission, or start to stop after the interruption instruction is parsed, including resources that may not be interrupted by the instruction On transmission).
  • the step of the base station sending the first type DCI may specifically include: The base station sends the first type DCI in each transmission opportunity of the first type DCI, or the base station sends the first type DCI
  • the first type of DCI is transmitted in the first type of DCI transmission opportunity after the terminal sends the scheduling signaling, or the first type of DCI transmission opportunity after the base station sends the scheduling signaling to the first terminal and before the scheduled uplink transmission end position
  • the first type of DCI is sent.
  • the step of the first terminal receiving the first type DCI may specifically include: the first terminal receives the first type DCI in each transmission opportunity of the first type DCI , Or the first terminal receives the first type of DCI in the transmission opportunity of the first type of DCI after receiving its own scheduling signaling, or the first terminal receives its own scheduling signaling and its scheduled upstream transmission end position
  • the first type DCI is received in the previous transmission opportunity of the first type DCI.
  • the first type of DCI includes an interruption indication information field and at least one scheduling information field
  • the interruption indication information field is used to transmit at least the interruption indication information of the first terminal
  • the scheduling information field is used to transmit at least The scheduling information of the second terminal, so that the interruption instruction information for the first terminal and the scheduling information for the second terminal are transmitted in the same DCI, can ensure the reliable transmission of the interruption instruction information.
  • the first terminal is a terminal that is configured or supports at least a first service type or the first terminal is a terminal that does not support a second service type, and the second terminal is configured or supports at least a second service Type of terminal, the second service type is a service type that requires high reliability transmission, so that the transmission of the interruption indication information and the scheduling information of the second service type is realized through one DCI, thereby ensuring the transmission performance of the interruption indication information On the basis, avoid transmitting two independent DCIs with high reliability to reduce the transmission efficiency of DCI.
  • the interruption indication information used for uplink transmission (for convenience of description, hereinafter referred to as the uplink interruption indication) is used as an example.
  • the transmission opportunities of the first type of DCI are shown in FIG. 4, where the transmission opportunities of the first type of DCI For the transmission of every two symbols, the CORESET of the first type of DCI transmission occupies 1 symbol in the time domain. Definition for this application scenario:
  • the area between the last symbol of the transmission opportunity where the first type DCI of the uplink interrupt indication (INT) is located and the last symbol of the transmission opportunity of the next first type DCI is the reference resource corresponding to the interrupt indication information Time zone.
  • the structure of the interrupt indication information field and the scheduling information field in the first type of DCI is shown in FIG. 5, which may include uplink scheduling information fields for one or more terminals (such as multiple Non-URLLC terminals), and Or interruption indication information fields of multiple terminals (such as multiple URLLC terminals).
  • the first service type is Non-URLLC service (such as eMBB service), and the second service type is URLLC service.
  • Terminal 1 that is, the first terminal
  • Non-URLLC services such as eMBB services
  • Terminal 2 that is, the second terminal
  • URLLC services such as eMBB services
  • the first type DCI (DCI-1) or the first RNTI (RNTI-1), or the first CORESET (CORESET-1) or the first SS corresponding to the first type DCI can be used (SS-1), sending uplink scheduling information to terminal 1.
  • SS-1 the first type DCI
  • the first RNTI RNTI-1
  • CORESET-1 the first CORESET
  • the first SS corresponding to the first type DCI can be used (SS-1), sending uplink scheduling information to terminal 1.
  • configure terminal 1 to use 64QAM / 256QAM CQI table, or configure BLER to be 10-1 or 10-2 to make terminal 1 support eMBB service but not URLLC service.
  • the second type DCI (DCI-2) or the second RNTI (RNTI-2), or the second CORESET (CORESET-2) or the second SS corresponding to the second type DCI can be used (SS-2)
  • terminal 2 sends uplink scheduling information.
  • Terminal 2 sends uplink scheduling information.
  • Non-URLLC terminal a terminal configured to or at least support Non-URLLC service or a terminal that does not support URLLC service
  • URLLC terminal a terminal configured to or at least supports URLLC service
  • terminal 1 is a Non-URLLC terminal
  • terminal 2 is a URLLC terminal.
  • the terminal 2 used to receive the uplink scheduling information of the URLLC service and the terminal 1 used to receive the uplink interruption indication of the Non-URLLC service are configured to receive the first type using the same RNTI DCI, for example, is configured with a first RNTI for the first type of DCI reception, that is, the first type of DCI is scrambled using the first RNTI.
  • the processing operations of the base station may include:
  • the base station sends an uplink scheduling information (UL grant) in time slot n-1 to schedule terminal 1 to transmit a physical uplink shared channel (Physical Uplink) on the 2nd to 14th symbols in time slot n Shared “Channel, PUSCH).
  • UL grant uplink scheduling information
  • Physical Uplink Physical Uplink
  • Subsequent terminal 2 requests for URLLC service transmission, then the base station sends a first type DCI in the transmission opportunity of the first type 1 DCI in time slot n for scheduling the third symbol of terminal 2 in time slot n PUSCH transmission.
  • one of a plurality of pre-configured scheduling resources may be indicated through scheduling information, for example, N scheduling resources are pre-configured for a terminal that is configured or supports URLLC service, then a scheduling information for such terminal is Bit, used to indicate that one of the N scheduled resources is allocated to the terminal.
  • the first type of DCI may contain multiple such scheduling information domains, each of which corresponds to a different URLLC terminal, thereby achieving Multicast of scheduling information of multiple terminals to reduce signaling overhead.
  • the base station may carry the scheduling information of terminal 2 and terminal 3 in the same Transmission in the first type of DCI.
  • Terminal 2 supports the URLLC service
  • the priority of the URLLC service is higher than that of the eMBB service, and in order to shorten the transmission delay of the URLLC service, the URLLC transmission occupies only one symbol, so it needs to occupy a large frequency domain resource in the frequency domain, which requires the terminal to occupy
  • the PUSCH resource of 1 is transmitted, that is, the URLLC PUSCH of the terminal 2 and the transmission resource of the eMBB PUSCH of the terminal 1 collide on the third symbol in the time slot n.
  • the base station In order to avoid the interference of the PUSCH of the terminal 1 with the PUSCH of the terminal 2, the base station needs to notify the terminal 1 that at least the PUSCH cannot be sent on the third symbol of the time slot n through an uplink interruption instruction. To this end, the base station sets a corresponding interruption indication value in the interruption indication information field in the first type of DCI for scheduling terminal 2, so that uplink scheduling for terminal 2 and uplink interruption for terminal 1 are implemented in the same DCI Break instructions. Because the uplink scheduling information of terminal 2 needs high reliability, it also ensures that the uplink interruption indication of terminal 1 has high reliability, thereby avoiding the transmission of two DCIs with high reliability separately to save signaling overhead.
  • the base station may use one of the following ways to send the interruption indication information:
  • Method 1 The interruption indication information adopts a bitmap (or bit sequence) indication method.
  • the first bit indicates the first symbol in the reference resource and the area composed of the activated BWP
  • the second bit indicates the second symbol in the reference resource and the area composed of the activated BWP.
  • Set the bit sequence of the 2-bit interruption indication information to "01" in the first type of DCI transmitted in the first transmission opportunity in time slot n, indicating that the second symbol in the corresponding reference resource is activating BWP bandwidth memory Interrupt the situation.
  • the base station also needs to continue to send the first type DCI in the subsequent several first type DCI transmission opportunities in the time slot n, and indicate the interruption situation in the corresponding reference resource by setting the interruption indication information field therein.
  • the interruption indication information field in the corresponding first type DCI can be set to "00" to indicate that the terminal does not exist Interrupt the situation.
  • PUSCH needs to be scheduled for transmission (but these URLLC and PUSCH have no resource conflict with terminal 1), and the base station can set these terminals in the first type of DCI Scheduling information, at the same time, it can achieve the PUSCH scheduling of other URLLC-enabled terminals and the multicast transmission of the interruption instruction of the URLLC-less terminals (ie, terminal 1) to reduce DCI overhead.
  • the base station simultaneously sends URLLC PUSCH scheduling information of terminal 3 and interruption instruction information ("00") to terminal 1 in DCI of the first type
  • the interruption indication information field in a first type of DCI is shared by these terminals, for example, there is also terminal 4, whose PUSCH is transmitted from the 2nd to 10th symbols in slot n, and There is also a resource conflict with the URLLC and PUSCH of the terminal 2 on the three symbols, so the interruption indication information is also set to "01".
  • Method 2 The interruption indication information adopts a 1-bit method corresponding to one terminal.
  • the interruption indication information field is P bits.
  • terminal 1 corresponds to the first bit of P bits
  • the indication information corresponding to terminal 1 in the interruption indication information field of the first type of DCI transmitted in the first transmission opportunity is set to "1" to indicate that terminal 1 does not send information on the corresponding reference resource; if it is in the reference resource There are other PUSCHs of the first terminal that are interrupted.
  • terminal 4 there is also a terminal 4, whose PUSCH is transmitted in the second to tenth symbols in slot n, and there is also a connection with terminal 2 on the third symbol.
  • the bit For the resource conflict problem of URLLC PUSCH, assuming that the terminal 4 corresponds to the second bit in the interruption indication information, the bit needs to be set to "1".
  • the processing operations of the terminal may include:
  • Terminal 1 detects the DCI of the scheduled PUSCH in the eMBB DCI transmission opportunity in each time slot, and receives the scheduling information for the transmission of PUSCH from the 2nd to 14th symbols scheduled in time slot n in the transmission opportunity of time slot n-1 .
  • Terminal 1 detects the first type DCI in the first type DCI transmission opportunity in each time slot, detects a first type DCI in the first first type DCI transmission opportunity in time slot n, and terminal 1 analyzes the first
  • the specific analysis method may include one of the following methods:
  • Method 1 When the interruption indication information adopts the bitmap (or bit sequence) indication method, the analysis method adopted by the terminal.
  • the reference resource corresponding to the first type of DCI (that is, in time slot n) can be determined according to the above-mentioned time-frequency domain division and corresponding relationship on the base station side
  • the second symbol and the third symbol that is, the third symbol in time slot n is interrupted in the active BWP, and terminal 1 will continue to detect the subsequent first type DCI transmission opportunities
  • Terminal 1 may not pay attention to the scheduling information in the first type of DCI, that is, when receiving the first type of DCI, it only reads the interruption indication information field, because the scheduling information is for the URLLC terminal, not for terminal 1. That is, it is not necessary to parse and read the scheduling information field. Of course, the terminal 1 is not restricted to read the scheduling information field.
  • Terminal 1 may perform one of the following operations according to the interruption indication information carried in the first type of DCI:
  • Operation A PUSCH is not transmitted on the third symbol in time slot n;
  • Operation B PUSCH is not transmitted in time slot n, that is, starting from the first symbol of PUSCH in time slot n or a symbol with interruption (ie, the third symbol), stop transmitting PUSCH;
  • Operation C If the analysis of the first type of DCI has not been completed at the beginning of PUSCH transmission, when the analysis is completed and interruption indication information is obtained, the PUSCH transmission on subsequent symbols is stopped.
  • terminal 4 For the above manner 1, if there are other first terminals that perform multicast with terminal 1 (such as a terminal supporting eMBB services), such as terminal 4, the execution operation of terminal 4 is similar to that of terminal 1, and will not be repeated here repeat.
  • terminal 1 such as a terminal supporting eMBB services
  • terminal 1 may determine that the first bit is the interruption indication information corresponding to terminal 1, and then determine the corresponding There is an interruption in the reference resource, but it is not possible to determine which symbol or frequency domain has the interruption.
  • the terminal 1 may perform the above operation B or the above operation C according to the interruption instruction information.
  • terminal 4 and terminal 5 the execution operations of terminal 4 and terminal 5 are the same as those of terminal 1 Similarly, as long as the second bit and the third bit in the interruption instruction information are read as their own interruption instruction information, and corresponding operations are performed according to the read interruption instruction information.
  • the first type of DCI is detected in the first type of DCI transmission opportunity.
  • the scheduling information therein is parsed, and the corresponding PUSCH transmission is performed according to the scheduling information.
  • the terminal 2 may not pay attention to the interrupt indication information field in the first type of DCI, that is, it may not parse and read the information in this field.
  • the URLLU service terminal is not restricted to read the interruption indication information field.
  • terminal 3 If there is other multicast scheduling information with terminal 2, such as terminal 3, the execution process of terminal 3 is similar to that of terminal 2 described above, and only needs to find its own indication field among multiple scheduling indication fields included in the first type of DCI, And the PUSCH transmission can be performed according to the indication information in the indication field.
  • a reference resource of the first type of DCI may be defined as the end position of the last symbol of the next transmission opportunity of the first type of DCI received to the end position of the last symbol of the next transmission opportunity To reserve the time as the processing time after the first type of DCI reception, as shown in Figure 6.
  • the corresponding relationship may be: for example, the first bit corresponds to the upper half of the BWP on the first symbol, The second bit corresponds to the lower half BWP on the first symbol, the third bit corresponds to the upper half BWP on the second symbol, and the fourth bit corresponds to the lower half BWP on the second symbol.
  • the corresponding order can be adjusted.
  • A may be a longer area of 3, 4 or 7 symbols in length.
  • Figure 8 Assume that there are 4 transmission opportunities of the first type DCI in a time slot, and the time domain size of the reference resources corresponding to the first type DCI in different transmission opportunities is different (in FIG. 8, the first type of the first transmission opportunity The reference resource corresponding to DCI occupies 3 symbols, and the reference resource corresponding to the first type of DCI in the second transmission opportunity occupies 4 symbols).
  • the embodiments of the present application also provide a terminal.
  • the terminal can realize the functions of the terminal side in the foregoing embodiments.
  • the terminal 1000 may include a receiving module 1001 and a transmitting module 1002.
  • the receiving module 1001 is configured to receive a first type of DCI.
  • the first type of DCI includes an interruption indication information field and at least one scheduling information field.
  • the interruption indication information field is used to transmit at least the interruption indication information of the first terminal.
  • the scheduling information field is used Transmitting at least the scheduling information of the second terminal.
  • the transmission module 1002 is used for data transmission according to the first type of DCI.
  • an embodiment of the present application further provides a base station.
  • the base station can realize the functions of the base station side in the foregoing embodiments.
  • the base station 1100 may include a processing module 1101 and a sending module 1102.
  • the processing module 1101 is configured to generate interruption indication information of the first terminal and carry the interruption indication information in the interruption indication information field of the first type of DCI; wherein the first type of DCI includes the interruption indication information field and at least one In the scheduling information field, the interruption indication information field is used to transmit interruption indication information of at least the first terminal, and the scheduling information field is used to transmit scheduling information of at least the second terminal.
  • the sending module 1102 is used to send the first type of DCI.
  • the number of scheduling information fields included in the first type of DCI is multiple, one scheduling information field is used to transmit scheduling information of one terminal, and different scheduling information fields transmit scheduling information of different terminals .
  • the interruption indication information field is used to indicate an interruption condition in a reference resource
  • the time domain area of the reference resource is the interval between two transmission opportunities of the first type DCI.
  • the frequency domain area of the resource is the activated BWP of a carrier.
  • the interruption indication information is used to indicate the interruption of downlink transmission;
  • the time domain area of the reference resource is: the start position of the first symbol of the first type DCI to the previous first The area between the end position of the last symbol of the DCI-like transmission opportunity; or, the start position of the first symbol of the transmission opportunity where the first type of DCI is located to the last symbol of the previous transmission opportunity of the first type of DCI The area between the end positions; or, the area between the start position of the first symbol of the first type DCI and the start position of the first symbol of the previous transmission opportunity of the first type DCI; or, the first type DCI The area between the start position of the first symbol of the transmission opportunity and the start position of the first symbol of the previous transmission opportunity of the first type DCI; or the end position of the last symbol of the first type DCI to the front The area between the end position of the last symbol of the transmission opportunity of a first type DCI; or, the end position of the last symbol of the transmission opportunity where the first type
  • the reference resource does not include the uplink symbol determined according to the semi-statically configured slot structure.
  • the interruption indication information is used to indicate the interruption of uplink transmission;
  • the time domain area of the reference resource is: the end position of the last symbol of the first type DCI to the next first type The area between the start position of the first symbol of the transmission opportunity of the DCI; or, the end position of the last symbol of the transmission opportunity where the first type of DCI is located to the first symbol of the next transmission opportunity of the first type of DCI
  • the area between the start positions; or, the area between the start position of the first symbol of the first type DCI and the start position of the first symbol of the next transmission opportunity of the first type DCI; or, the first type DCI The area from the start position of the first symbol of the transmission opportunity to the start position of the first symbol of the next transmission opportunity of the first type DCI; or, the end position of the last symbol of the first type DCI to the next The area between the end position of the last symbol of the transmission opportunity of a first type DCI; or, the end position of the last symbol of the transmission opportunity where the
  • the terminal 1000 or the base station 1100 does not include the downlink symbol determined according to the semi-statically configured slot structure in the reference resource.
  • the number of bits of the interruption indication information transmitted in the interruption indication information field is A * B bits, and each bit corresponds to a time composed of a time domain region and a frequency domain region in the reference resource Frequency resource block, the different states of each bit indicate whether there is an interruption in the corresponding time-frequency resource block, where A is the number of time-domain regions into which the reference resource is divided, and B is the number of frequency-domain regions into which the reference resource is divided, Both A and B are positive integers.
  • the terminal 1000 or the base station 1100 if the first type of DCI is in different transmission opportunities and the time domain length of the reference resource indicated by the interruption indication information field included in the first type of DCI is different, different reference resources are targeted.
  • the length of the time domain, the value of A is different or the same.
  • the reference resource is included according to the previous (N mod A) group Symbols, after (A- (N mod A)) group contains Symbols, or, according to the previous (A- (N mod A)) group Symbols, the (N mod A) group contains Symbols are divided into A areas, where N is the number of symbols included in the reference resource; or, if the time domain length of different reference resources is the same as A, then when the number of symbols included in the reference resource is less than When A, only the first N * B bits or the last N * B bits or the higher N * B bits or the lower N * B bits of the A * B bits are used to correspond to each symbol in the
  • the terminal 1000 further includes a receiving module for receiving signaling, and determining configuration information of A and B according to the signaling ,
  • the configuration information of A and B indicates one of the multiple value combinations of A and B.
  • the number of bits of the interruption indication information transmitted in the interruption indication information field is P, and each bit corresponds to a terminal to indicate whether the corresponding terminal has an interruption in the reference resource.
  • P is a positive integer that is pre-defined or pre-configured.
  • the first type of DCI is multicast DCI.
  • the first terminal is: a terminal that is configured or supports at least a first service type; or, a terminal that does not support a second service type; or, a terminal that uses the first type DCI format to send scheduling signaling; or, uses A terminal that sends scheduling signaling in the first CORESET or first search space; or a terminal that uses the first RNTI to scramble scheduling signaling; or a terminal with a target BLER lower than 10-5 or 10-6; or, 64QAM is configured / 256QAM terminal of CQI / MCS form;
  • the second terminal is: a terminal configured or supporting at least a second service type; or a terminal that uses the second type DCI format to send scheduling signaling; or a terminal that uses the second CORESET or second search space to send scheduling signaling; Or, a terminal using the second RNTI scrambling scheduling signaling; or a terminal with a target BLER of 10-5 or 10-6; or a terminal configured with an ultra-high reliability and low-latency communication URLLC CQI / MCS table.
  • the first service type is eMBB and the second service type is URLLC; or, the first service type is a low-priority service type, and the second service type is a high-priority service type; or, the first service type And the second service type are the same service type corresponding to different priorities.
  • the terminal 1000 and the transmission module 1002 are specifically configured to: perform data transmission according to the interruption indication information transmitted in the interruption indication information field included in the first type of DCI.
  • the transmission module 1002 is specifically configured to: if the interruption indication information is used to indicate the downlink transmission In case of interruption, no information is received on the interruption resource indicated by the interruption instruction information, or the information received on the interruption resource indicated by the interruption instruction information is set to zero, or it is determined that the interruption instruction information indicates The information received on the interruption resource does not participate in the subsequent retransmission merge; or, if the interruption indication information is used to indicate the interruption of the uplink transmission, no information is sent on the interruption resource indicated by the interruption indication information , Or stop the uplink transmission containing the interrupt resource indicated by the interrupt instruction information.
  • the interrupt resource is a time-frequency domain resource block in the corresponding reference resource that is indicated to be interrupted.
  • the transmission module 1002 is specifically configured to: if the number of bits of the interruption indication information transmitted in the interruption indication information field is P, then if the interruption indication information is used to indicate the interruption of downlink transmission, then No information is received on the reference resource corresponding to the interruption instruction information, or the information received on the reference resource corresponding to the interruption instruction information is set to zero, or it is determined that the information received on the reference resource corresponding to the interruption instruction information does not participate Subsequent retransmission combining; or, if the interruption indication information is used to indicate the interruption of the uplink transmission, then no information is sent on the reference resource corresponding to the interruption indication information, or the reference resource corresponding to the interruption indication information is stopped Upstream transmission.
  • the transmission module 1002 is further configured to: if no DCI of the first type is detected, determine that there is no interruption in the corresponding reference resource.
  • the transmission module 1002 is further configured to: after receiving the first type of downlink control information DCI, only read the interruption indication information field in the first type of DCI.
  • the receiving module 1001 is specifically configured to: receive the first type DCI in each first type DCI transmission opportunity; or, the first type DCI transmission opportunity after receiving its own scheduling signaling Receive the first type of DCI; or, receive the first type of DCI in the transmission opportunity of the first type of DCI after receiving its own scheduling signaling and before its scheduled uplink transmission end position.
  • the sending module 1102 is further used to: if the interruption indication information is used to indicate the interruption of downlink transmission , Then the downlink transmission for the first terminal is not sent on the interrupt resource indicated by the interrupt instruction information, or the information about the downlink transmission for the first terminal on the interrupt resource indicated by the interrupt instruction information is set to Zero; if the interruption indication information is used to indicate the interruption of the uplink transmission, the uplink transmission from the first terminal is not received on the interruption resource indicated by the interruption indication information, or from the location containing the interruption indication information The indicated uplink transmission of the first terminal that interrupts the resource.
  • the sending module 1102 is further configured to: if the interruption indication information is used to indicate the interruption of downlink transmission, Then, the downlink transmission for the first terminal is not sent on the reference resource corresponding to the interruption indication information, or the information for the downlink transmission on the first terminal on the reference resource corresponding to the interruption indication information is set to zero; if The interruption indication information is used to indicate the interruption of the uplink transmission, and then the uplink transmission from the first terminal is not received on the reference resource corresponding to the interruption indication information, or the reference resource corresponding to the interruption indication information is not received. Uplink transmission of the first terminal.
  • the sending module 1102 is specifically configured to: send the first type of DCI in each transmission opportunity of the first type of DCI; or, the first type of DCI after sending scheduling signaling to the first terminal
  • the first type of DCI is sent in the transmission opportunity of the first type; or, the first type of DCI is sent in the transmission opportunity of the first type of DCI after the scheduling signaling is sent to the first terminal and before the scheduled uplink transmission end position.
  • an embodiment of the present application further provides a communication device.
  • the communication device may be a base station, which can implement the functions implemented on the base station side in the embodiment of the present application.
  • the communication device may include: a processor 1201, a memory 1202, a transceiver 1203, and a bus interface 1204.
  • the processor 1201 is responsible for managing the bus architecture and general processing, and the memory 1202 may store data used by the processor 1201 when performing operations.
  • the transceiver 1203 is used to receive and transmit data under the control of the processor 1201.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 1201 and various circuits of the memory represented by the memory 1202 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, etc., which are well known in the art, and therefore, they will not be further described in this article.
  • the bus interface 1204 provides an interface.
  • the processor 1201 is responsible for managing the bus architecture and general processing, and the memory 1202 may store data used by the processor 1201 when performing operations.
  • the process disclosed in the embodiments of the present application may be applied to the processor 1201 or implemented by the processor 1201.
  • each step of the signal processing flow may be completed by an integrated logic circuit of hardware in the processor 1201 or instructions in the form of software.
  • the processor 1201 may be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, and may implement or execute the embodiments of the present application The disclosed methods, steps and logic block diagrams.
  • the general-purpose processor may be a microprocessor or any conventional processor.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware processor, or may be executed and completed by a combination of hardware and software modules in the processor.
  • the software module may be located in a mature storage medium in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an electrically erasable programmable memory, and a register.
  • the storage medium is located in the memory 1202, and the processor 1201 reads the information in the memory 1202 and completes the steps of the signal processing flow in combination with its hardware.
  • the processor 1201 is configured to read computer instructions in the memory 1202 and perform functions implemented on the base station side in the process shown in FIG. 1.
  • an embodiment of the present application further provides a communication device.
  • the communication device may be a terminal, and can implement the functions implemented on the terminal side in the embodiment of the present application.
  • the communication device may include: a processor 1301, a memory 1302, a transceiver 1303, and a bus interface 1304.
  • the processor 1301 is responsible for managing the bus architecture and general processing, and the memory 1302 may store data used by the processor 1301 when performing operations.
  • the transceiver 1303 is used to receive and transmit data under the control of the processor 1301.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 1301 and various circuits of the memory represented by the memory 1302 are linked together. The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, etc., which are well known in the art, and therefore, they will not be further described in this article.
  • the bus interface 1304 provides an interface.
  • the processor 1301 is responsible for managing the bus architecture and general processing, and the memory 1302 may store data used by the processor 1301 when performing operations.
  • the process disclosed in the embodiments of the present application may be applied to the processor 1301 or implemented by the processor 1301.
  • each step of the signal processing flow may be completed by instructions in the form of hardware integrated logic circuits or software in the processor 1301.
  • the processor 1301 may be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, and may implement or execute the embodiments of the present application
  • the general-purpose processor may be a microprocessor or any conventional processor.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware processor, or may be executed and completed by a combination of hardware and software modules in the processor.
  • the software module may be located in a mature storage medium in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an electrically erasable programmable memory, and a register.
  • the storage medium is located in the memory 1302.
  • the processor 1301 reads the information in the memory 1302 and completes the steps of the signal processing flow in combination with its hardware.
  • the processor 1301 is configured to read computer instructions in the memory 1302 and execute functions implemented on the terminal side in the process shown in FIG. 2.
  • embodiments of the present application also provide a computer-readable storage medium.
  • the computer-readable storage medium stores computer-executable instructions for causing the computer to perform the process performed by the base station in FIG. 1.
  • embodiments of the present application also provide a computer-readable storage medium.
  • the computer-readable storage medium stores computer-executable instructions for causing the computer to execute the process performed by the terminal in FIG. 2.
  • the computer storage medium may be any available medium or data storage device that can be accessed by the computer, including but not limited to magnetic storage (such as floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (such as CD, DVD, BD, HVD, etc.), and semiconductor memory (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state hard disk (SSD)), etc.
  • magnetic storage such as floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.
  • optical storage such as CD, DVD, BD, HVD, etc.
  • semiconductor memory such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state hard disk (SSD)
  • the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware.
  • this application may use one or more computer-usable storage media (including but not limited to disk storage, CD-ROM (Compact Disc Read-Only Memory, CD-ROM), optical memory, etc.) containing computer usable program code ) On the form of the computer program product implemented.
  • These computer program instructions may also be stored in a computer readable memory that can guide a computer or other programmable data processing device to work in a specific manner, so that the instructions stored in the computer readable memory produce an article of manufacture including an instruction device, the instructions The device implements the functions specified in one block or multiple blocks of the flowchart one flow or multiple flows and / or block diagrams.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device, so that a series of operating steps are performed on the computer or other programmable device to produce computer-implemented processing, which is executed on the computer or other programmable device
  • the instructions provide steps for implementing the functions specified in one block or multiple blocks of the flowchart one flow or multiple flows and / or block diagrams.

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

Abstract

L'invention concerne un procédé et un appareil de transmission de données. Le procédé comprend les étapes suivantes : un premier terminal reçoit un premier type de DCI, et effectue une transmission de données selon le premier type de DCI, le premier type de DCI contenant un domaine d'informations d'indication d'interruption et au moins un domaine d'informations d'ordonnancement ; le domaine d'informations d'indication d'interruption est utilisé pour transmettre des informations d'indication d'interruption d'au moins le premier terminal ; et le domaine d'informations d'ordonnancement est utilisé pour transmettre des informations d'ordonnancement d'au moins un deuxième terminal.
PCT/CN2019/106004 2018-10-26 2019-09-16 Procédé et appareil de transmission de données WO2020082933A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021223213A1 (fr) * 2020-05-08 2021-11-11 Qualcomm Incorporated Décodage de canaux physiques de commande de liaison descendante se terminant au niveau du même symbole
CN116471601A (zh) * 2022-01-11 2023-07-21 华为技术有限公司 无线局域网中的时间资源调度方法、装置及可读存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107241805A (zh) * 2017-07-14 2017-10-10 北京邮电大学 一种上行资源分配方法及装置
US20180035332A1 (en) * 2016-07-29 2018-02-01 Samsung Electronics Co., Ltd. Method and apparatus for handling collisions in next generation communication system
CN107734506A (zh) * 2016-08-10 2018-02-23 华为技术有限公司 数据信道发送和接收方法、网络设备及终端
CN108633073A (zh) * 2017-03-21 2018-10-09 株式会社Kt 在新无线电网络中使用位图来发送和接收下行链路先占指示信息的方法及其装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106850157B (zh) * 2012-10-31 2020-08-18 Lg 电子株式会社 用于发送和接收控制信息的方法及其设备
CN106454694A (zh) * 2015-08-11 2017-02-22 中兴通讯股份有限公司 下行控制信息发送、接收方法及装置
CN105517061B (zh) * 2016-01-15 2019-03-22 宇龙计算机通信科技(深圳)有限公司 一种非授权频谱上指示上行子帧的方法及装置
CN107027184B (zh) * 2016-02-02 2020-01-14 电信科学技术研究院 一种下行控制信息传输方法及装置
CN107371272B (zh) * 2016-05-13 2022-04-29 中兴通讯股份有限公司 下行控制信息的传输方法、装置及系统
WO2018064360A1 (fr) * 2016-09-30 2018-04-05 Intel IP Corporation Coexistence de services multiples dans des systèmes de nouvelle radio (nr)
CN108633072B (zh) * 2017-03-16 2022-08-26 株式会社Kt 监视、发送和接收下行链路先占指示信息的方法及其装置
US10448414B2 (en) * 2017-03-23 2019-10-15 Sharp Kabushiki Kaisha Downlink control channel for uplink ultra-reliable and low-latency communications
CN108631929B (zh) * 2017-03-24 2021-06-08 华为技术有限公司 数据传输方法和设备
CN108696936B (zh) * 2017-04-12 2022-11-11 华为技术有限公司 数据发送方法、接收方法和相关设备
GB2562120A (en) * 2017-05-05 2018-11-07 Tcl Communication Ltd Preemption indication details for eMBB-URLLC multiplexing in wireless communication systems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180035332A1 (en) * 2016-07-29 2018-02-01 Samsung Electronics Co., Ltd. Method and apparatus for handling collisions in next generation communication system
CN107734506A (zh) * 2016-08-10 2018-02-23 华为技术有限公司 数据信道发送和接收方法、网络设备及终端
CN108633073A (zh) * 2017-03-21 2018-10-09 株式会社Kt 在新无线电网络中使用位图来发送和接收下行链路先占指示信息的方法及其装置
CN107241805A (zh) * 2017-07-14 2017-10-10 北京邮电大学 一种上行资源分配方法及装置

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