WO2021164727A1 - Procédé de transmission d'informations de contrôle de liaison latérale et appareil de communication - Google Patents

Procédé de transmission d'informations de contrôle de liaison latérale et appareil de communication Download PDF

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Publication number
WO2021164727A1
WO2021164727A1 PCT/CN2021/076850 CN2021076850W WO2021164727A1 WO 2021164727 A1 WO2021164727 A1 WO 2021164727A1 CN 2021076850 W CN2021076850 W CN 2021076850W WO 2021164727 A1 WO2021164727 A1 WO 2021164727A1
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dci
joint
information
cell
counting
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PCT/CN2021/076850
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English (en)
Chinese (zh)
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刘思綦
纪子超
潘学明
李�根
沈晓冬
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维沃移动通信有限公司
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Publication of WO2021164727A1 publication Critical patent/WO2021164727A1/fr

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    • 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

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  • the present invention claims the priority of a Chinese patent application filed with the Chinese Patent Office, the application number is 202010103105.5, and the invention title is "a method and communication device for transmitting downlink control information" on February 19, 2020. The entire content of the application is approved The citation is incorporated in the present invention.
  • the embodiments of the present invention relate to the field of communications, and in particular to a method and communication equipment for transmitting downlink control information.
  • LTE Long Term Evolution
  • the New Radio supports a downlink control information (Downlink Control Information, DCI) to simultaneously schedule multiple carriers (Component Carrier, CC) or cell design, that is, joint DCI (joint DCI) to reduce the downlink Control signaling overhead.
  • DCI Downlink Control Information
  • CC Component Carrier
  • joint DCI joint DCI
  • the current DCI design only supports one DCI for scheduling one cell.
  • the user equipment User Equipment, UE
  • UE cannot correctly determine the number of DCIs.
  • the purpose of the embodiments of the present invention is to provide a method and communication equipment for transmitting downlink control information, so as to enable the UE to correctly determine the number of DCIs.
  • a method for transmitting downlink control information is provided, the method is executed by a communication device, and the method includes: transmitting first downlink control information DCI, wherein the first DCI carries a method for pairing The first counting information for counting by the DCI, and the joint DCI is used for scheduling multiple carriers or cells.
  • a communication device including: a processing module for transmitting first downlink control information DCI, wherein the first DCI carries first counting information for counting joint DCI, and The joint DCI is used to schedule multiple carriers or cells.
  • a terminal device in a third aspect, includes a processor, a memory, and a computer program that is stored on the memory and can run on the processor.
  • the computer program When the computer program is executed by the processor, The steps of the method for transmitting downlink control information as described in the first aspect are implemented.
  • a network device in a fourth aspect, includes a processor, a memory, and a computer program that is stored on the memory and can run on the processor.
  • the computer program When the computer program is executed by the processor, The steps of the method for transmitting downlink control information as described in the second aspect are implemented.
  • a computer-readable storage medium is provided, and a computer program is stored on the computer-readable storage medium.
  • the computer program is executed by a processor, the method for transmitting downlink control information as described in the first aspect is implemented. step.
  • first downlink control information is transmitted, wherein the first DCI carries first counting information for counting joint DCI, and the joint DCI is used to schedule multiple
  • the carrier or cell can enable the UE to correctly determine the number of DCI.
  • Fig. 1 is a schematic flowchart of a method for transmitting downlink control information according to an embodiment of the present invention
  • Fig. 2 is a schematic flowchart of a method for transmitting downlink control information according to an embodiment of the present invention
  • Fig. 3 is a schematic flowchart of a method for transmitting downlink control information according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart of a method for transmitting downlink control information according to an embodiment of the present invention
  • Fig. 5 is a schematic flowchart of a method for transmitting downlink control information according to an embodiment of the present invention
  • Fig. 6 is a schematic flowchart of a method for transmitting downlink control information according to an embodiment of the present invention.
  • Fig. 7 is a schematic flowchart of a method for transmitting downlink control information according to an embodiment of the present invention.
  • FIG. 8 is a schematic flowchart of a method for transmitting downlink control information according to an embodiment of the present invention.
  • FIGS 9a-9e show schematic diagrams of DCI scheduling cells
  • FIG. 10 is a schematic flowchart of a method for transmitting downlink control information according to an embodiment of the present invention.
  • Figure 11 is a schematic structural diagram of a communication device according to an embodiment of the present invention.
  • Fig. 12 is a schematic structural diagram of a terminal device according to another embodiment of the present invention.
  • Fig. 13 is a schematic structural diagram of a network device according to another embodiment of the present invention.
  • LTE system LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (TDD), general Mobile communication system (Universal Mobile Telecommunication System, UMTS) or Worldwide Interoperability for Microwave Access (WiMAX) communication system, 5G system, or New Radio (NR) system, or subsequent evolution communication system .
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • 5G system 5G system
  • NR New Radio
  • terminal equipment may include, but is not limited to, mobile station (Mobile Station, MS), mobile terminal (Mobile Terminal), mobile phone (Mobile Telephone), UE, mobile phone (handset), and portable equipment (portable equipment) , Vehicles, etc.
  • the terminal device can communicate with one or more core networks via a radio access network (RAN).
  • RAN radio access network
  • the terminal device can be a mobile phone (or called a "cellular" phone) , A computer with wireless communication function, etc.
  • the terminal device can also be a portable, pocket-sized, handheld, built-in computer or vehicle-mounted mobile device.
  • a network device is a device deployed in a wireless access network to provide wireless communication functions for terminal devices.
  • the network device may be a base station, and the base station may include various forms of macro base stations, micro base stations, relay stations, and access points.
  • the names of devices with base station functions may be different.
  • an LTE network it is called an evolved NodeB (evolved NodeB, eNB, or eNodeB)
  • eNB evolved NodeB
  • 3G Third Generation
  • Node B Node B
  • Network equipment, etc. the wording does not constitute a restriction.
  • an embodiment of the present invention provides a method 100 for transmitting downlink control information.
  • the method may be executed by a communication device.
  • the communication device includes: a terminal device and/or a network device.
  • the method may be installed Executed in software or hardware of a terminal device and/or a network device, the method includes the following steps: the method includes the following steps.
  • S102 Transmit first downlink control information (DCI), where the first DCI carries first counting information for counting joint DCI.
  • DCI downlink control information
  • the joint DCI is used for scheduling multiple carriers or cells.
  • the UE may lose some downlink DCIs, so that the UE cannot correctly determine the number of DCIs, resulting in inconsistent understanding of the number of joint DCIs sent by the UE and the base station, and thus cannot be determined. Correct feedback information.
  • the first DCI carries first counting information for counting the joint DCI.
  • the user can determine whether or not from the first counting information carried by other first DCIs. Lost DCI, ensure that the understanding of the DCI count is consistent with the network equipment.
  • an embodiment of the present invention provides a method for transmitting downlink control information by transmitting a first DCI, where the first DCI carries first counting information for counting joint DCI, and the joint DCI uses In scheduling multiple carriers or cells, the UE can learn the joint DCI count, so that the network equipment and the UE have the same understanding of the joint DCI count.
  • an embodiment of the present invention provides a method 200 for transmitting downlink control information.
  • the method may be executed by a communication device.
  • the communication device includes: a terminal device and/or a network device.
  • the method may be installed Executed in the software or hardware of the terminal device and/or the network device, the method includes the following steps.
  • the first DCI carries first counting information for counting joint DCI.
  • the first DCI is the joint DCI or the single DCI.
  • DCI is used to schedule a single carrier or cell.
  • This step may include the same or similar description as step S102 in the embodiment of FIG. 1, and repetitive parts are not repeated here.
  • the first DCI is the joint DCI or a single DCI (single DCI), and the single DCI is used to schedule a single carrier or cell.
  • Single DCI can only schedule one carrier or cell at a time, but the same or different carriers or cells can be scheduled through multiple scheduling.
  • the joint DCI may carry the first counting information.
  • single DCI may carry the first counting information.
  • the single DCI carrying the first counting information is associated with the joint DCI.
  • the first counting information for counting a certain joint DCI may be carried by the joint DCI, or may not be carried by the joint DCI, but may be carried by the single DCI associated with the joint DCI, and is related to the joint DCI.
  • the associated single DCI may be, for example, a single DCI closest to the joint DCI, or a single DCI that has a preset association relationship with the joint DCI. Therefore, through flexible DCI design, the UE can learn the joint DCI count, so that the network equipment and the UE have the same understanding of the joint DCI count.
  • the embodiment of the present invention provides a method for transmitting downlink control information, which enables the UE to learn the counts of single DCI and joint DCI, so that the network equipment and the UE have the same understanding of the single DCI and joint DCI counts.
  • an embodiment of the present invention provides a method 300 for transmitting downlink control information.
  • the method may be executed by a communication device.
  • the communication device includes: a terminal device and/or a network device.
  • the method may be installed Executed in the software or hardware of the terminal device and/or the network device, the method includes the following steps.
  • S302 Transmit first downlink control information (DCI), where the first DCI carries first counting information for counting joint DCI, and the first counting information includes: the serial number and/or of the joint DCI The total number is at least one of the transmission count of the joint DCI scheduling, and the feedback information count corresponding to the joint DCI.
  • DCI downlink control information
  • This step may include the same or similar description as step S102 in the embodiment of FIG. 1 or step S202 in the embodiment of FIG. 2, and repetitive parts are not repeated here.
  • the first count information may include: the number and/or total number of the joint DCI, the transmission count TI (transmission index) scheduled by the joint DCI, such as a transport block (Transport Block, TB) or a code block group ( Code block group, CBG) count, and at least one of feedback information count FI (feedback index) corresponding to the joint DCI.
  • the transmission count TI transmission index
  • TB transport block
  • CBG code block group
  • FI feedback index
  • the count of joint DCI may be Downlink Assignment Index (DAI), the number of joint DCI is, for example, count DAI (counter DAI, cDAI) and/or the total number of joint DCI is, for example, total DAI (tDAI).
  • DAI Downlink Assignment Index
  • the number of joint DCI is, for example, count DAI (counter DAI, cDAI)
  • the total number of joint DCI is, for example, total DAI (tDAI).
  • the above count may include a number and/or a total number.
  • the second count information may include: the second count information includes: the number and/or total number of the single DCI, the transmission count of the single DCI scheduling, and the count of the feedback information corresponding to the single DCI At least one of.
  • an embodiment of the present invention provides a method for transmitting downlink control information, where the first count information includes: the number and/or total number of the joint DCI, the transmission count of the joint DCI scheduling, and the joint DCI At least one of the corresponding feedback information counts can enable the UE to learn the counts of single DCI and joint DCI through a reasonable and flexible count design, so that the network equipment and the UE have consistent understanding of the single DCI and joint DCI counts.
  • an embodiment of the present invention provides a method 400 for transmitting downlink control information.
  • the method may be executed by a communication device.
  • the communication device includes: a terminal device and/or a network device.
  • the method may be installed Executed in software or hardware of a terminal device and/or a network device, the method includes the following steps: the method includes the following steps.
  • S402 Transmit first downlink control information (DCI), where the first DCI carries first counting information for counting joint DCI, and the first DCI also carries first counting information for counting the single DCI
  • the second count information for the first count information and the second count information use different parameter domains.
  • This step may include the same or similar description as step S102 in the embodiment of FIG. 1 or step S202 in the embodiment of FIG. 2, and repetitive parts are not repeated here.
  • the first counting information and the second counting information may use different parameter domains, that is, the single DCI and the joint DCI are counted separately, so that they do not affect each other.
  • the first DCI also carries second counting information for counting the single DCI, so that the single DCI count can also be obtained through the first DCI at the same time.
  • the embodiment of the present invention provides a method for transmitting downlink control information, which enables the UE to learn the counts of single DCI and joint DCI, so that the network equipment and the UE have the same understanding of the single DCI and joint DCI counts.
  • the embodiment of the present invention provides a method for transmitting downlink control information.
  • different parameter fields can be used, and single DCI and joint DCI can be counted separately. Will not affect each other.
  • the embodiment of the present invention provides a method for transmitting downlink control information.
  • the first DCI also carries second counting information for counting the single DCI, so that the single DCI count can be obtained through the first DCI at the same time.
  • an embodiment of the present invention provides a method 500 for transmitting downlink control information.
  • the method may be executed by a communication device.
  • the communication device includes: a terminal device and/or a network device.
  • the method may be installed Executed in software or hardware of a terminal device and/or a network device, the method includes the following steps: the method includes the following steps.
  • S502 Transmit the first downlink control information DCI, where the first DCI carries first counting information used to count the joint DCI.
  • This step may include the same or similar description as step S102 in the embodiment of FIG. 1 or step S202 in the embodiment of FIG. 2, and repetitive parts are not repeated here.
  • the first counting information is also used to count the single DCI, that is, the first counting information counts both joint DCI and single DCI, for example, the first counting information is cDAI and or tDAI, tDAI It indicates the total number of single DCI and joint DCI sent, and cDAI indicates the number of the first DCI in the single DCI and joint DCI sent. In this way, joint DCI and single DCI can be counted at the same time through the same counting information, without the need to introduce new parameter designs.
  • the first counting information is in a predetermined order, the number of scheduled carriers or cells, the DCI format, the type of DCI, and the DCI At least one of identification, DCI size, search space, control channel element (Control Channel Element, CCE) number, target CCE position, candidate PDCCH aggregation level, and time domain position, compare the joint DCI and the single DCI counts.
  • identification DCI size, search space, control channel element (Control Channel Element, CCE) number, target CCE position, candidate PDCCH aggregation level, and time domain position
  • the time unit may include: time overlapping PDCCH monitoring opportunities, the same time slot, the same sub-time slot, the start time and/or the time interval related to the parameter of the scheduled carrier or cell At least one of the time interval between the PDCCH monitoring opportunities corresponding to the two scheduled carriers or cells, the PDCCH monitoring opportunities with the same starting position of the scheduled shared channel, and the effective time of the monitoring timer.
  • the DCI identifier may be, for example, a Radio Network Temporary Identifier (RNTI) that scrambles the DCI
  • the target CCE position may be, for example, the position of the largest CCE or the position of the smallest CCE, etc.
  • the time domain position For example, it may be the time domain position of the DCI or the monitoring opportunity associated with the DCI, and counting according to the search space may include counting according to the type of the search space, and/or counting according to the identification of the search space.
  • the types of search spaces include: public search space, dedicated search space, search space for scheduling a single cell or carrier, search space for joint scheduling of cells or carriers, and search space for cross-carrier scheduling of cells or carriers. A sort of.
  • the DCI of the common search space can be numbered first, and then the DCI of the dedicated search space can be numbered.
  • the DCI in the search space used for scheduling a single cell or carrier can be numbered first, and then the DCI used for joint scheduling of cells or carriers can be numbered.
  • the DCI number in the search space may be specifically numbered according to the identification of the search space, for example, according to the size order of the identification of the search space where the DCI is located.
  • the embodiment of the present invention provides a method for transmitting downlink control information, which enables the UE to learn the counts of single DCI and joint DCI, so that the network equipment and the UE have the same understanding of the single DCI and joint DCI counts.
  • the embodiment of the present invention provides a method for transmitting downlink control information.
  • the first counting information is also used to count the single DCI, and the joint DCI and single DCI can be counted at the same time through the same counting information. Need to introduce additional new parameter design.
  • an embodiment of the present invention provides a method 600 for transmitting downlink control information.
  • the method may be executed by a communication device.
  • the communication device includes: a terminal device and/or a network device.
  • the method may be installed Executed in software or hardware of a terminal device and/or a network device, the method includes the following steps: the method includes the following steps.
  • S602 Transmit the first downlink control information DCI, where the first DCI carries first counting information used to count the joint DCI.
  • This step can include any one or more of the steps S102 in the embodiment of FIG. 1, step S202 in the embodiment of FIG. 2, step S302 in the embodiment of FIG. 3, step S402 in the embodiment of FIG. 4, and step S502 in the embodiment of FIG. 5. Similar descriptions will not be repeated here for the repeated parts.
  • the first counting information includes: a first number part and/or a first total number part.
  • the second counting information may also include: a second number part and/or a second total number part.
  • the first numbering part or the first total number part adopting joint counting may include: the first numbering part and the first total number part adopting joint counting, the first numbering part adopts joint counting, and the first total number part adopts separate counting.
  • Counting may also include that the first numbering part adopts separate counting and the first total number part adopts joint counting.
  • the use of separate counting for the first number part or the first total number part may include: both the first number part and the first total number part are separately counted.
  • the counting of the joint DCI may include: a downlink allocation index DAI for counting the joint DCI.
  • the first number part may be cDAI (counter DAI) for telling the UE the number of the DCI.
  • the total part can be tDAI (total DAI, total DAI) to indicate how many DCIs have been sent up to the current time point (for example, the current monitoring opportunity monitoring occasion).
  • the downlink allocation index DAI may include cDAI and/or tDAI.
  • the first number part may be cTI (counter TI, count TI) used to tell the UE the number of the joint DCI-scheduled transmission, and the first total part may be tTI (total TI (total TI) is used to indicate how many transmissions have been scheduled up to the current point in time (for example, the current monitoring opportunity monitoring occasion).
  • cTI counter TI, count TI
  • tTI total TI (total TI) is used to indicate how many transmissions have been scheduled up to the current point in time (for example, the current monitoring opportunity monitoring occasion).
  • the first number part may be cFI (counter FI, count FI) for telling the UE the number of the feedback information corresponding to the joint DCI, and the first total part may be tFI (total FI) ,Total FI) is used to indicate how much feedback information corresponds to the current time point (for example, the current monitoring opportunity).
  • the first number part of the first DCI is the first number part of the previous DCI plus N
  • the first total part of the first DCI is the first total number of the previous DCI Partially add N, where N is a positive integer greater than or equal to 2. For example, cDAI+2, tDAI+2.
  • the first number part of the first DCI is the first number part of the previous DCI plus 1
  • the first total part of the first DCI is the first total number of the previous DCI Partially add N, where N is a positive integer greater than or equal to 2.
  • cDAI is the count of DCI. For example, cDAI+1, tDAI+2.
  • the first number part of the first DCI is the first number part of the previous DCI plus 1
  • the first total part of the first DCI is the first total number of the previous DCI Partially add 1. For example, cDAI+1, tDAI+1.
  • the first counting information is in a predetermined order, the number of scheduled carriers or cells, the DCI format, the type of DCI, and the DCI At least one of identification, DCI size, search space, control channel element (Control Channel Element, CCE) number, target CCE position, candidate PDCCH aggregation level, and time domain position, the joint DCI and the single DCI counts.
  • identification DCI size, search space, control channel element (Control Channel Element, CCE) number, target CCE position, candidate PDCCH aggregation level, and time domain position
  • CCE Control Channel Element
  • the predetermined sequence includes: if there are both single DCI and joint DCI in the time unit, the single DCI is counted first and then the joint DCI is counted, or vice versa, the joint DCI is counted first and then the single DCI is counted.
  • Joint DCI scheduling two cells, n may be 2 or 3.
  • n there are 1 single DCI and 1 joint DCI in a monitoring opportunity.
  • the single DCI is counted first, and then the joint DCI is counted. That is, the cDAI of the single DCI is x, and the cDAI of the joint DCI is x+n.
  • joint DCI schedules two For the cell n may be 1 or 2.
  • n there are 1 single DCI and 1 joint DCI in a monitoring opportunity.
  • the positions of the smallest CCE among the CCEs occupied by the two DCIs are CCE#0 and CCE#7. It is assumed that the DCI is performed in the order of the smallest CCE position from low to high. Therefore, the single DCI is counted first, and then the joint DCI is counted.
  • the cDAI of the single DCI is x, and the cDAI of the joint DCI is x+n. Assuming that the joint DCI schedules two cells, n may be 1 or 2.
  • n may be 1 or 2.
  • the embodiment of the present invention provides a method for transmitting downlink control information, which enables the UE to learn the counts of single DCI and joint DCI, so that the network equipment and the UE have the same understanding of the single DCI and joint DCI counts.
  • an embodiment of the present invention provides a method 700 for transmitting downlink control information.
  • the method may be executed by a communication device.
  • the communication device includes: a terminal device and/or a network device.
  • the method may be installed Executed in software or hardware of a terminal device and/or a network device, the method includes the following steps: the method includes the following steps.
  • the first DCI carries first counting information for counting joint DCI.
  • the first DCI is the joint DCI or the single DCI.
  • the DCI is used to schedule a single carrier or cell, and the joint DCI and the single DCI correspond to different configuration information.
  • This step may include the same or similar description as any one or more steps in step S302 in the embodiment of FIG. 3, step S402 in the embodiment of FIG. 4, step S502 in the embodiment of FIG. 5, and step S602 in the embodiment of FIG. I won't repeat them here.
  • the configuration information corresponding to the joint DCI and the single DCI are different, where the configuration information includes: DCI format, DCI type, DCI identifier, DCI size, and DCI associated search space At least one of (SearchSpace), DCI-associated candidate (Physical Downlink Control Channel, PDCCH), DCI-associated CCE, and DCI-associated monitoring opportunity (monitoring occasion).
  • the DCI identifier may be, for example, an RNTI that scrambles the DCI.
  • the size of the DCI may be the size of the amount of information carried by the DCI.
  • the above-mentioned configuration information corresponding to the joint DCI and the single DCI may be different.
  • S704 Determine, according to the configuration information of the first DCI, that the first DCI is the joint DCI or the single DCI.
  • the UE may further determine the count of the joint DCI and/or the count of the single DCI.
  • Joint DCI and single DCI are respectively associated with different monitoring occasions or associated with different SSs.
  • the user can distinguish whether the received joint DCI or single DCI is associated with the current monitoring occasion whether Joint DCI or single DCI is associated.
  • DCI format DCI type, RNTI, SS, monitoring occasion, number of associated cells, etc.
  • users can infer the respective counts of joint DCI and single DCI.
  • the two types of DCI are associated with different features. Regardless of whether the DCI indicates a joint count or a separate count, the user can recognize the different DCIs through these features to identify the actual respective counts of the two DCIs.
  • the joint DCI and the single DCI are located in different time units. That is, the user assumes that in the same time unit, single DCI and joint DCI will not appear at the same time. Therefore, after the first downlink control information DCI is transmitted, it can be determined that the first DCI is the joint DCI or the single DCI according to the time unit in which the first DCI is located.
  • the above implementation can be applied when there is no difference or little difference between the configuration information corresponding to Joint DCI and single DCI, such as sharing at least one of the same DCI format, DCI type, scrambled RNTI, associated SS, and associated monitoring occasion.
  • one search space can be allocated to transmit Joint DCI and single DCI, but for the same or different monitoring occasions in the same slot, Joint DCI and single DCI will not be transmitted at the same time.
  • the time unit may include: time overlapping PDCCH monitoring opportunities, the same time slot, the same sub-time slot, the start time and/or the time interval related to the parameter of the scheduled carrier or cell At least one of the time interval between the PDCCH monitoring opportunities corresponding to the two scheduled carriers or cells, the PDCCH monitoring opportunities with the same starting position of the scheduled shared channel, and the effective time of the monitoring timer.
  • the same sub-slot may include the same sub-slot (Subslot) or mini-slot (mini-slot), the start time and/or length are related to the scheduled carrier or cell parameters, where the parameters may be For the number of carriers or cells or SCS, the PDCCH monitoring opportunities with the same starting position of the scheduled shared channel may be, for example, the PDCCH monitoring opportunities on two cells with the earliest starting positions of both scheduled PDSCH/PUSCH n.
  • an embodiment of the present invention provides a method 800 for transmitting downlink control information.
  • the method may be executed by a communication device.
  • the communication device includes: a terminal device and/or a network device.
  • the method may be installed Executed in software or hardware of a terminal device and/or a network device, the method includes the following steps: the method includes the following steps.
  • S802 Transmit the first downlink control information DCI, where the first DCI carries first counting information used to count the joint DCI.
  • This step may include step S102 in the embodiment of FIG. 1, step S202 in the embodiment of FIG. 2, step S302 in the embodiment of FIG. 3, step S402 in the embodiment of FIG. 4, step S502 in the embodiment of FIG. 5, step S602 in the embodiment of FIG.
  • step S102 in the embodiment of FIG. 1 step S202 in the embodiment of FIG. 2, step S302 in the embodiment of FIG. 3, step S402 in the embodiment of FIG. 4, step S502 in the embodiment of FIG. 5, step S602 in the embodiment of FIG.
  • S804 Determine feedback information according to the first counting information, or according to the first counting information and the second counting information.
  • the user can feed back feedback information on the uplink resource according to the receiving status, that is, HARQ-ACK information to inform the control node whether the transmission of the downlink data packet is successful.
  • the number of target cells scheduled by the joint DCI, and the number of transmissions scheduled by the joint DCI on each target cell or the bits of the corresponding feedback information The number of bits of the feedback information is determined.
  • the number of actually scheduled transmissions can be known through the first counting information, and thus, feedback is performed according to the number of transmissions.
  • the I scheduling cell support joint DCI (present joint DCI), joint DCI scheduling on a cell i i N i th cell, and each cell j in the scheduling of its scheduled M I, M, or TB j th i, j CBGs or corresponding to M i, j HARQ-ACK bits; assuming that K cells support single DCI scheduling, single DCI on cell k schedules O k TBs or O k CBGs or corresponds to O k HARQ -ACK bit.
  • each joint DCI of cell i corresponds to N i *max i (M i,j ) HARQ-ACK bits, or each joint DCI of cell i corresponds to sum i (M i,j ) HARQ -ACK bit, or each joint DCI in the joint DCI of one cell corresponds to max(N i )*max(M i,j ) HARQ-ACK bits.
  • max i (M i,j ) is the number of transmissions on the cell scheduled by the joint DCI of cell i or the maximum number of corresponding HARQ-ACK bits
  • sum i (M i,j ) is the joint DCI of cell i
  • max(N i ) is the maximum value of the number of cells scheduled in the joint DCI of one cell.
  • max(M i,j ) is the number of scheduled transmissions on the cell scheduled in the joint DCI of one cell or the maximum number of corresponding HARQ-ACK bits.
  • the joint DCI on cell 1 schedules two cells
  • the joint DCI on cell 2 schedules three cells
  • N*max(M 1,j ) HARQ-ACK bits are fed back.
  • M 1,j M
  • step S802 one of the first or second implementation manners of calculating counting information is adopted in step S102 of the embodiment of FIG. 1, step S402 of the embodiment of FIG. 4, and step S602 of the embodiment of FIG. At this time, in this step, the first implementation manner of determining the feedback information described above can be adopted accordingly.
  • the number of bits of the feedback information is determined according to the number of transmissions scheduled by the joint DCI on each target cell or the number of bits of the corresponding feedback information.
  • each joint DCI of cell i corresponds to max i (M i,j ) HARQ-ACK bits
  • each joint DCI of I cell corresponds to max(M i,j ) HARQ-ACK bits
  • each joint DCI of cell i corresponds to sum i (M i,j )
  • One HARQ-ACK bit or each joint DCI of one cell corresponds to max(sum i (Mi ,j )) HARQ-ACK bits.
  • max i (M i,j ) is the number of transmissions on the cell scheduled by the joint DCI of cell i or the maximum number of corresponding HARQ-ACK bits
  • max(M i,j ) is the joint DCI of I cells The number of scheduled transmissions on the cell scheduled by each joint DCI or the maximum number of corresponding HARQ-ACK bits.
  • sum i (M i, j ) is the number of transmissions on the cell scheduled by the joint DCI of cell i or the total number of corresponding HARQ-ACK bits
  • max (sum i (M i, j )) is the total number of I cells The maximum number of scheduled transmissions on the cell scheduled by each joint DCI in joint DCI or the total number of corresponding HARQ-ACK bits.
  • the joint DCI on cell 1 schedules two cells
  • the joint DCI on cell 2 schedules three cells
  • the joint DCI on cell 1 schedules two cells
  • the joint DCI on cell 2 schedules three cells
  • the third implementation manner for determining feedback information according to the number of target cells scheduled by the joint DCI, the number of transmissions scheduled by the joint DCI on each target cell, or the number of bits of the corresponding feedback information, And, the number of transmissions scheduled by the single DCI on each target cell or the number of bits of the corresponding feedback information determines the number of bits of the feedback information.
  • each DCI corresponds to max(max(N i *M i,j ), max(O k )) HARQ-ACK bits.
  • max(N i *M i,j ) is the maximum of the product of the number of cells N i scheduled by each joint DCI in the joint DCI of a cell and the number of transmissions on the cell scheduled by the DCI or the number of corresponding feedback information bits value.
  • max(O k ) is the number of transmissions scheduled by single DCI of K cells or the maximum value of the number of corresponding feedback information bits.
  • the number of DCI actually sent can be known through the first counting information, but the total number of actually scheduled transmissions is not known. Since the scheduled cell corresponding to each DCI does not exceed max(Ni), each scheduled cell corresponds to The number of transmissions of is not greater than max(max(N i *M i,j ),max(O k )), so feedback according to the maximum overhead can make the size of the feedback information relatively fixed.
  • each DCI corresponds to 2 bits of HARQ-ACK information.
  • step S802 adopts one of step S102 in the embodiment of FIG. 1, step S502 in the embodiment of FIG. 5, and step S602 in the embodiment of FIG.
  • this step can adopt the second or third implementation manner of determining the feedback information described above.
  • the feedback resources corresponding to the at least two first DCI scheduled transmissions are fed back on the feedback resources indicated by the last DCI. Feedback.
  • the predetermined conditions include: overlapping resources, overlapping partial resources, and being in the same time range, such as the same slot, and the same format, such as at least one of the long format.
  • the last DCI includes: the last joint DCI of the at least two first DCIs, the last single DCI of the at least two first DCIs, and the time position of the at least two first DCIs The joint DCI at the last time position or the single DCI at the last time position among the time positions where the at least two first DCIs are located.
  • the joint DCI at the last time position among the time positions where the at least two first DCIs are located for example, there are 1 single DCI, 1 single DCI, 1 single DCI, and 1 single DCI on the monitoring opportunities 1, 2 and 3 respectively.
  • 1 joint DCI, these DCI respectively indicate feedback resources 1 or 2 or 3 or 4, and these feedback resources overlap, then the last DCI is the joint DCI on monitoring opportunity 3, and the resource used to feed back the feedback information corresponding to these DCIs is the feedback resource 4.
  • FIGS 9a-9e show schematic diagrams of DCI scheduling cells.
  • the DCI shown in this figure adopts the first counting information described in the embodiment of Fig. 5 and is also used to count the single DCI in an implementation manner, and the calculation counting information described in the embodiment of Fig. 6
  • the first implementation method specifically includes: the DCI corresponding to CC or cell 0 and CC or cell 1 is single DCI, only one corresponding cell is scheduled, and the joint DCI of CC or cell 2 schedules two CCs or cells, and the DCI carries Add cDAI and tDAI, and number single DCI and joint DCI. For each single DCI, cDAI and tDAI are increased by 1, and for each joint DCI, cDAI and tDAI are both increased by 2. Therefore, DAI gives the number and total number of scheduled transmissions, which is convenient for users to determine feedback information.
  • the DCI shown in this figure uses the first counting information described in the embodiment in Figure 5 and is also used to count the single DCI in an implementation manner, and the calculation counting information described in the embodiment in Figure 6
  • the second implementation method of CC or cell 0, 1, 4 is single DCI, only one corresponding cell is scheduled, and the joint DCI of CC or cell 2 schedules two CCs or cells (CC or cell 2 and 3), DCI carries cDAI and tDAI, and single DCI and joint DCI are numbered. For each single DCI, cDAI and tDAI are increased by 1, and for each joint DCI, cDAI is increased by 1, and tDAI is increased by 2.
  • DAI gives the total number of scheduled transmissions, which is convenient for users to determine the feedback information, and also gives the number of the DCI, thereby reducing the misunderstanding caused by the consecutive loss of two joint DCIs.
  • the DCI shown in this figure uses the first counting information described in the embodiment of Figure 4 and the second counting information can be implemented in different parameter domains, and the method described in the embodiment of Figure 6
  • the first implementation of calculating counting information specifically includes: the DCI corresponding to CC or cell 0 and CC or cell 1 is single DCI, only one corresponding cell is scheduled, and the joint DCI of CC or cell 2 schedules two CCs or cells.
  • Single DCI carries cDAI and tDAI for single DCI, and counts single DCI; joint DCI carries cDAI and tDAI for joint DCI, and counts joint DCI.
  • the cDAI and tDAI in the single DCI are both increased by 1, and for each joint DCI, the cDAI and tDAI in the joint DCI are both increased by 2.
  • single DCI and joint DCI are counted separately, so that joint DC will not affect the feedback under the existing single DCI.
  • the DCI shown in this figure uses the first counting information described in the embodiment of Figure 4 and the second counting information can be implemented in different parameter domains, and the method described in the embodiment of Figure 6
  • the second way to calculate counting information specifically includes: the DCI corresponding to CC or cell 0 and CC or cell 1 is single DCI, only one corresponding cell is scheduled, and the joint DCI of CC or cell 2 schedules two CCs or cells, single DCI carries cDAI and tDAI for single DCI, and counts single DCI; joint DCI carries cDAI and tDAI for joint DCI, and counts joint DCI.
  • the cDAI and tDAI in the single DCI are increased by 1, and for each joint DCI, the cDAI in the joint DCI is increased by 1, and the tDAI is increased by 2.
  • single DCI and joint DCI are counted separately, so that joint DCI will not affect the feedback under the existing single DCI.
  • the DCI shown in this figure uses the configuration information of the DCI described in the embodiment of Figure 7 to determine the joint DCI included in the DCI and the single included in the DCI
  • the implementation of DCI specifically includes: the DCI corresponding to CC or cell 0 and CC or cell 1 is single DCI, only one corresponding cell is scheduled, and the joint DCI of CC or cell 2 schedules two CCs or cells.
  • DCI carries cDAI and tDAI, counts single DCI and joint DCI. For single DCI, both cDAI and tDAI are increased by 1, and for joint DCI, both cDAI and tDAI are increased by 2.
  • the user can determine the respective count information through the difference between single DCI and joint DCI to determine feedback.
  • an embodiment of the present invention provides a method 1000 for transmitting downlink control information.
  • the method may be executed by a communication device.
  • the communication device includes: a terminal device and/or a network device.
  • the method may be installed Executed in software or hardware of a terminal device and/or a network device, the method includes the following steps: the method includes the following steps.
  • S1002 Transmit the first downlink control information DCI, where the first DCI carries first counting information used to count the joint DCI.
  • This step may include step S102 in the embodiment of FIG. 1, step S202 in the embodiment of FIG. 2, step S302 in the embodiment of FIG. 3, step S402 in the embodiment of FIG. 4, step S502 in the embodiment of FIG. 5, step S602 in the embodiment of FIG.
  • Example step S702 and any one or more steps in step S802 in the embodiment of FIG. 8 are the same or similar, and repetitive parts are not repeated here.
  • each carrier or cell of the multiple carriers or cells corresponds to one piece of the first counting information.
  • the first counting information includes: the number and/or total number of the joint DCI, and the number and/or total number of the joint DCI is the downlink allocation index DAI.
  • the first counting information may include one DAI, and one DAI corresponds to one carrier or cell.
  • the first counting information may include multiple DAIs, each DAI corresponds to a scheduled carrier or cell, or each DAI corresponds to a carrier or cell, and the DAI corresponding to each carrier or cell may be the same or different.
  • the first DCI carries M cDAI domains, and each cDAI domain corresponds to a carrier or cell. Assuming that a joint DCI is sent and the joint DCI schedules N carriers or cells, it is scheduled CDAI+1 corresponding to the carrier or cell. Optionally, the cDAI corresponding to the carrier or cell that is not scheduled remains unchanged.
  • the joint DCI only carries one tDAI, one joint DCI is sent, and the joint DCI schedules N carriers or cells, then tDAI+N.
  • the first DCI carries M tDAIs, tDAI+1 corresponding to the scheduled carrier or cell.
  • the tDAI corresponding to the carrier or cell that is not scheduled remains unchanged.
  • each first counting information can be made to correspond to one scheduled carrier or cell.
  • each preset carrier or cell group corresponds to one piece of the first counting information.
  • the preset carrier or cell grouping can be pre-configured by the network equipment, or agreed by a protocol.
  • the preset carrier or cell group may be a scheduled carrier or cell group.
  • the first counting information may include one DAI, and one DAI corresponds to one preset carrier or cell group.
  • the first counting information may include multiple DAIs, each DAI corresponds to a preset carrier or cell group, and the DAI corresponding to each preset carrier or cell group may be the same or different.
  • the correspondence between the carrier or the cell and the first counting information may be configured by the network device or agreed upon by a protocol.
  • a count field is Xbit
  • M count fields are M*Xbit
  • DCI contains M*Xbit, which corresponds to the count in the order of the size of the carrier or cell identifier, for example, the carrier with the identifier 0 or the cell corresponding to the lowest X bit (0th to X-1bit), the carrier or cell identified as 1 corresponds to the Xth to 2X-1 bits.
  • the carrier or cell here may include carriers or cells that are configured but not scheduled by joint DCI.
  • a count field is Xbit
  • N count fields are N*Xbit
  • DCI schedules N cells
  • DCI contains N*Xbit, which corresponds to the count in the order of the size of the scheduled carrier or cell identifier, for example, the smaller the identifier Corresponds to the lower bit, or the larger the mark corresponds to the lower bit.
  • the identifier may be an identifier configured by a higher layer or an identifier indicated by physical layer signaling, or may be a relative identifier determined after sorting according to the identifier configured by a higher layer or the identifier size indicated by physical layer signaling.
  • N 2
  • the DCI schedules two carriers or cells with IDs 0 and 7, the carrier or cell with ID 0 corresponds to the lowest X bit (0th to X-1bit), and the carrier or cell with ID 7 corresponds to the first X bit.
  • X 2X-1bit.
  • N 2
  • DCI schedules two carriers or cells
  • the RRC configuration identifiers are 0 and 7
  • the corresponding relative identifiers after sorting the RRC configuration identifiers are 0 and 1
  • the carrier or cell with the relative identifier of 0 corresponds to the lowest X bit (0th to X-1bit), relative to the carrier or cell identified as 1 corresponds to Xth to 2X-1bit.
  • carriers or cells with the same sub-carrier spacing in the multiple carriers or cells correspond to one piece of the first counting information.
  • a carrier or cell with the same subcarrier interval and cyclic prefix in the multiple carriers or cells corresponds to one piece of the first counting information.
  • the carrier or cell associated with the same feedback cell corresponds to one piece of the first counting information.
  • the carrier or cell associated with the same feedback cell group corresponds to one piece of the first counting information.
  • an embodiment of the present invention provides a method for transmitting downlink control information by transmitting a first DCI, where the first DCI carries first counting information for counting joint DCI, and the joint DCI uses In scheduling multiple carriers or cells, the UE can learn the joint DCI count, so that the network equipment and the UE have the same understanding of the joint DCI count.
  • Fig. 11 is a schematic structural diagram of a communication device according to an embodiment of the present invention. As shown in FIG. 11, the communication device 1100 includes: a processing module 1110.
  • the processing module 1110 is configured to transmit first downlink control information DCI, where the first DCI carries first counting information for counting joint DCI, and the joint DCI is used to schedule multiple carriers or cells.
  • the first DCI is the joint DCI or a single DCI
  • the single DCI is used for scheduling a single carrier or cell.
  • the single DCI has an association relationship with the joint DCI.
  • the first DCI also carries second counting information for counting the single DCI.
  • the first counting information and the second counting information use different parameter domains.
  • the first counting information is also used to count the single DCI.
  • the first counting information is in a predetermined order, the number of scheduled carriers or cells, the DCI format, the type of DCI, and the DCI At least one of identification, DCI size, search space, number of control channel elements, target control channel element location, candidate physical downlink control channel PDCCH aggregation level, and time domain location, for the joint DCI and the Single DCI counts.
  • the first counting information includes: a first number part and/or a first total number part, the first number part of the first DCI is the first number part of the previous DCI plus 1 or N, The first total part of the first DCI is the first total part of the previous DCI plus N, where N is a positive integer greater than or equal to 2.
  • the first counting information includes: a first number part and/or a first total number part, the first number part of the first DCI is the first number part of the previous DCI plus 1, the first number part The first total part of a DCI is the first total part of the previous DCI plus one.
  • the configuration information corresponding to the joint DCI and the single DCI is different, where the configuration information includes: DCI format, DCI type, DCI identifier, DCI size, DCI association information At least one of a search space, a candidate PDCCH associated with the DCI, a control channel element associated with the DCI, and a listening opportunity associated with the DCI.
  • the processing module 1110 is further configured to, after the transmission of the first downlink control information DCI, determine that the first DCI is the joint DCI or the joint DCI according to the configuration information of the first DCI Single DCI.
  • the joint DCI and the single DCI are located in different time units.
  • the processing module 1110 is further configured to determine that the first DCI is the joint DCI or the joint DCI according to the time unit in which the first DCI is located after the first downlink control information DCI is transmitted. State the single DCI.
  • the time unit includes: time overlapping PDCCH monitoring opportunities, the same time slot, the same sub-time slot, the start time and/or the time interval related to the parameter of the scheduled carrier or cell, At least one of the time interval between the PDCCH monitoring opportunities corresponding to the two scheduled carriers or cells, the PDCCH monitoring opportunities with the same starting position of the scheduled shared channel, and the effective time of the monitoring timer.
  • the processing module 1110 is further configured to, after the first downlink control information DCI is transmitted, according to the first counting information, or according to the first counting information and the second counting information, Confirm feedback information.
  • the processing module 1110 is configured to schedule according to the number of target cells scheduled by the joint DCI, and, the number of transmissions scheduled by the joint DCI on each target cell or the bits of the corresponding feedback information Determine the number of bits of the feedback information; or, determine the number of bits of the feedback information according to the number of transmissions scheduled by the joint DCI on each target cell or the number of bits of the corresponding feedback information; or , According to the number of target cells scheduled by the joint DCI, the number of transmissions scheduled by the joint DCI on each target cell, or the number of bits of the corresponding feedback information, and, the single DCI is in each of the The number of transmissions scheduled on the target cell or the number of bits of the corresponding feedback information determines the number of bits of the feedback information.
  • the processing module 1110 is further configured to, after the first downlink control information DCI is transmitted, in the case where the feedback resources indicated by the at least two first DCIs meet a predetermined condition, the final DCI indicates Feedback information corresponding to the transmissions scheduled by the at least two first DCIs is fed back on the feedback resource; wherein, the last DCI includes: the last joint DCI of the at least two first DCIs, and the at least two first DCIs The last single DCI in a DCI, the joint DCI at the last time position among the time positions where the at least two first DCIs are located, or the last time position among the time positions where the at least two first DCIs are located Single DCI.
  • the predetermined condition includes at least one of: resource overlap, partial resource overlap, in the same time range, and the same format.
  • the first counting information includes at least one of the number and/or total number of the joint DCI, the transmission count scheduled by the joint DCI, and the feedback information count corresponding to the joint DCI.
  • the number and/or total number of the joint DCI is the downlink allocation index DAI.
  • the second count information includes: at least one of the serial number and/or total number of the single DCI, the transmission count scheduled by the single DCI, and the feedback information count corresponding to the single DCI.
  • each carrier or cell of the multiple carriers or cells corresponds to one piece of the first counting information; or, each preset carrier or cell group corresponds to one piece of the first counting information; Carriers or cells with the same subcarrier spacing in the multiple carriers or cells correspond to one of the first counting information; or, carriers or cells with the same subcarrier spacing and cyclic prefix in the multiple carriers or cells correspond to the first counting information
  • One counting information; or, the carrier or cell associated with the same feedback cell corresponds to one piece of the first counting information; or, the carrier or cell associated with the same feedback cell group corresponds to one piece of the first counting information.
  • the communication device 1100 may refer to the processes of the methods 100-800 and 1000 corresponding to the embodiment of the present invention, and each unit/module in the communication device 1100 and the other operations and/or functions described above are used to implement the method respectively.
  • the corresponding processes in 100-800 and 1000 can achieve the same or equivalent technical effects. For the sake of brevity, it will not be repeated here.
  • Fig. 12 is a block diagram of a terminal device according to another embodiment of the present invention.
  • the communication device described in the embodiment of the present invention may be a terminal device.
  • the terminal device 1200 shown in FIG. 12 includes: at least one processor 1201, a memory 1202, at least one network interface 1204, and a user interface 1203.
  • the various components in the terminal device 1200 are coupled together through the bus system 1205.
  • the bus system 1205 is used to implement connection and communication between these components.
  • the bus system 1205 also includes a power bus, a control bus, and a status signal bus.
  • various buses are marked as the bus system 1205 in FIG. 12.
  • the user interface 1203 may include a display, a keyboard, a pointing device (for example, a mouse, a trackball), a touch panel or a touch screen, etc.
  • the memory 1202 in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • Synchronous DRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Double Data Rate SDRAM Double Data Rate SDRAM
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM Enhanced SDRAM, ESDRAM
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • Synchlink DRAM Synchronous Link Dynamic Random Access Memory
  • SLDRAM Direct Rambus RAM
  • the memory 1202 of the system and method described in the embodiment of the present invention is intended to include, but is not limited to, these and any other suitable types of memory.
  • the memory 1202 stores the following elements, executable modules or data structures, or their subsets, or their extended sets: operating system 12021 and application programs 12022.
  • the operating system 12021 includes various system programs, such as a framework layer, a core library layer, a driver layer, etc., for implementing various basic services and processing hardware-based tasks.
  • the application program 12022 includes various application programs, such as a media player (Media Player), a browser (Browser), etc., which are used to implement various application services.
  • the program for implementing the method of the embodiment of the present invention may be included in the application program 12022.
  • the terminal device 1200 further includes: a computer program stored in the memory 1202 and capable of running on the processor 1201. The computer program is executed by the processor 1201 to implement the steps of the methods 100-800 and 1000.
  • the method disclosed in the foregoing embodiment of the present invention may be applied to the processor 1201 or implemented by the processor 1201.
  • the processor 1201 may be an integrated circuit chip with signal processing capabilities. In the implementation process, the steps of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 1201 or instructions in the form of software.
  • the aforementioned processor 1201 may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA) or other Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA field Programmable Gate Array
  • Programmable logic devices discrete gates or transistor logic devices, discrete hardware components.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present invention may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a computer-readable storage medium that is mature in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the computer-readable storage medium is located in the memory 1202, and the processor 1201 reads information in the memory 1202, and completes the steps of the foregoing method in combination with its hardware.
  • a computer program is stored on the computer-readable storage medium, and when the computer program is executed by the processor 1201, each step of the above-mentioned method 100 embodiment is implemented.
  • the embodiments described in the embodiments of the present invention may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more application specific integrated circuits (ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing equipment (DSP Device, DSPD), programmable Logic device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, and others for performing the functions described in this application Electronic unit or its combination.
  • ASIC application specific integrated circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • PLD programmable Logic Device
  • PLD Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described in the embodiments of the present invention can be implemented by modules (for example, procedures, functions, etc.) that execute the functions described in the embodiments of the present invention.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the terminal device 1200 can implement each process implemented by the communication device in the foregoing embodiment, and can achieve the same or equivalent technical effects. To avoid repetition, details are not described herein again.
  • FIG. 13 is a structural diagram of a network device applied in an embodiment of the present invention, which can implement the details of the method embodiments 100-800 and 1000 and achieve the same effect.
  • the network device 1300 includes: a processor 1301, a transceiver 1302, a memory 1303, and a bus interface, where:
  • the network device 1300 further includes: a computer program stored in the memory 1303 and capable of running on the processor 1301, and the computer program is executed by the processor 1301 to implement the steps of the method 500.
  • 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 1303 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 1302 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the processor 1301 is responsible for managing the bus architecture and general processing, and the memory 1303 can store data used by the processor 1301 when performing operations.
  • the embodiment of the present invention also provides a computer-readable storage medium, and a computer program is stored on the computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk, or optical disk, etc.
  • the technical solution of the present invention essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in each embodiment of the present invention.
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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Abstract

Selon certains modes de réalisation, la présente invention concerne un procédé de transmission d'informations de contrôle de liaison latérale et un appareil de communication. Le procédé consiste à : transmettre des premières informations de contrôle de liaison descendante (DCI), les premières DCI transportant des premières informations de comptage destinées à compter les DCI dans des DCI conjointes, et les DCI conjointes étant utilisées pour programmer de multiples porteuses ou cellules de composants.
PCT/CN2021/076850 2020-02-19 2021-02-19 Procédé de transmission d'informations de contrôle de liaison latérale et appareil de communication WO2021164727A1 (fr)

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CN115734360A (zh) * 2021-08-31 2023-03-03 华为技术有限公司 多载波调度的方法和装置
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