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WO2018059378A1 - Procédé de transmission d'informations de commande de liaison montante, terminal et station de base - Google Patents

Procédé de transmission d'informations de commande de liaison montante, terminal et station de base Download PDF

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Publication number
WO2018059378A1
WO2018059378A1 PCT/CN2017/103351 CN2017103351W WO2018059378A1 WO 2018059378 A1 WO2018059378 A1 WO 2018059378A1 CN 2017103351 W CN2017103351 W CN 2017103351W WO 2018059378 A1 WO2018059378 A1 WO 2018059378A1
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WIPO (PCT)
Prior art keywords
cqi
information
cell
carrier
channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/103351
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English (en)
Chinese (zh)
Inventor
孙红利
唐轩
时帅帅
刘振
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ZTE Corp
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ZTE Corp
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Filing date
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Publication of WO2018059378A1 publication Critical patent/WO2018059378A1/fr
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Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • 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
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Definitions

  • the present disclosure relates to the field of communications technologies, and, for example, to an uplink control information transmission method, a terminal, and a base station.
  • LTE-A Long Term Evolution-Advanced
  • CA Carrier Aggregation
  • the carrier aggregation technology includes reporting of uplink control information (UCI). Whether the UE can accurately and effectively carry out UCI transmission plays an important role in the real-time adaptive modulation and coding (AMC) adjustment of the network side, and directly relates to whether the maximum throughput of the system can be obtained under the current network. Failure to provide timely and accurate feedback of UCI information will have a serious impact on system capacity and network resource allocation. If the network side does not receive the Channel Quality Indicator (CQI) message in the UCI information reported by the UE for a period of time, the network side adopts a conservative scheduling and reduces the Modulation and Coding Scheme (MCS). And resource allocation.
  • CQI Channel Quality Indicator
  • MCS Modulation and Coding Scheme
  • HARQ Hybrid Automatic Repeat reQuest
  • the present disclosure provides an uplink control information transmission method, a terminal, and a base station, which can implement accurate and timely transmission of UCI information.
  • An embodiment provides a method for transmitting uplink control information, which is applied to a terminal, where the base station configures the first cell and the second cell as an uplink and downlink carrier aggregation coordination relationship, and the method may include: first, according to the first cell The channel quality indicator/rank indication CQI/RI reporting configuration information and the second CQI/RI reporting configuration information of the second cell, determining whether to periodically report the CQI/RI information of the first cell and the CQI of the second cell. And RI information, and calculating a first subframe for reporting CQI/RI information of the first cell and a second subframe for reporting CQI/RI information of the second cell;
  • CQI/RI information includes CQI/RI information of the first cell or CQI/RI information of the second cell
  • the cell that transmits the CQI/RI information and the channel corresponding to the cell are determined according to the acquired carrier index and the uplink grant information of the downlink control information DCI0;
  • Uplink control information UCI including the CQI/RI information to the base station according to the subframe corresponding to the CQI/RI information, the cell that transmits the CQI/RI information, and the channel corresponding to the cell.
  • An embodiment provides a terminal, where the terminal is in communication with a base station, and the base station configures the first cell and the second cell as an uplink and downlink carrier aggregation coordination relationship, and the terminal may include:
  • the period determining module is configured to determine, according to the first channel quality indicator/rank indication CQI/RI reporting configuration information of the first cell, and the second CQI/RI reporting configuration information of the second cell, whether to periodically report the CQI/RI information of a cell and CQI/RI information of the second cell, and calculating And reporting a first subframe of the CQI/RI information of the first cell and a second subframe of reporting CQI/RI information of the second cell;
  • a CQI/RI information calculation module configured to calculate CQI/RI information, where the CQI/RI information includes CQI/RI information of the first cell or CQI/RI information of the second cell;
  • a first channel determining module configured to determine, when the CQI/RI information is periodically reported, the cell that transmits the CQI/RI information and the foregoing according to the acquired carrier index and the uplink grant information of the downlink control information DCI0 The channel corresponding to the cell;
  • the reporting module is configured to send, according to the subframe corresponding to the CQI/RI information, the cell that transmits the CQI/RI information, and the channel corresponding to the cell, an uplink that includes the CQI/RI information to the base station.
  • Control information UCI UCI.
  • An embodiment provides an uplink control information transmission method, which is applied to a base station, and the method may include:
  • Calculating CQI/RI information and determining, according to the periodicity of reporting the CQI/RI information, the cell that transmits the CQI/RI information and the channel corresponding to the cell, and receiving the terminal according to the CQI a subframe corresponding to the /RI information, the CQI/RI information sent by the cell that transmits the CQI/RI information, and a channel corresponding to the cell; wherein the CQI/RI information is the first cell CQI/RI information or CQI/RI information of the second cell.
  • An embodiment provides a base station, where the base station is in communication with a terminal, and the base station may include:
  • a configuration module configured to configure the first cell and the second cell to be uplink and downlink carrier aggregation cooperative relationships
  • the activating module is configured to determine, according to the first channel quality indicator/rank indication CQI/RI reporting configuration information of the first cell, and the second CQI/RI reporting configuration information of the second cell, to determine whether to periodically report the CQI/RI information of the first cell and CQI/RI information of the second cell, and calculating a first subframe for reporting the CQI/RI of the first cell and a CQI/RI reporting the second cell After the second subframe, the carrier corresponding to the first cell is set as the primary carrier, and the carrier corresponding to the second cell is set as the secondary carrier, and is activated;
  • the information receiving module is configured to calculate CQI/RI information in the terminal, and determine, according to the periodicity of reporting the CQI/RI information, the cell that transmits the CQI/RI information and the channel corresponding to the cell, and the receiving station
  • An embodiment provides an uplink control information transmission method, which is applied to a terminal, where the base station configures the first cell and the second cell as an uplink and downlink carrier aggregation coordination relationship, and the method may include:
  • the base station Receiving, by the base station, a first reconfiguration message for establishing a connection, where the first reconfiguration message is used to deliver first report configuration information of channel quality indicator/rank indication CQI/RI information in the first cell, And receiving, by the base station, a second reconfiguration message for adding the secondary carrier, where the second reconfiguration message is used to send the second report configuration information of the CQI/RI information in the second cell; Determining whether to periodically report the CQI/RI information, and calculating a subframe for reporting the CQI/RI information on the primary carrier or the secondary carrier, where the first reporting configuration information and the second reporting configuration information are periodically reported; After the base station activates the first cell and the second cell as a primary carrier and a secondary carrier, according to a periodic judgment Calculating a carrier and a channel for transmitting the CQI/RI information; and transmitting the CQI/RI information to the base station according to the subframe, the carrier, and the channel.
  • An embodiment further provides a terminal, where the base station configures the first cell and the second cell as the uplink and downlink carrier aggregation coordination relationship, and the terminal may include: a reconfiguration message receiving module, configured to receive the connection sent by the base station for establishing a connection.
  • the subframe calculation module is configured to be configured according to the Determining whether to periodically report the CQI/RI information, and calculating a subframe for reporting the CQI/RI information on the primary carrier or the secondary carrier, and reporting the configuration information and the second reporting configuration information;
  • a calculation module configured to: after the base station activates the first cell and the second cell as a primary carrier and a secondary carrier, calculate a carrier and a channel for transmitting the CQI/RI information according to a periodic determination result;
  • a sending module configured to send the CQI/RI information to the base station according to the subframe, the carrier, and the channel.
  • An embodiment further provides an uplink control information transmission method, which is applied to a base station, and the method includes:
  • An embodiment further provides a base station, which may include: a configuration module, configured to configure the first cell and the second cell as an uplink and downlink carrier aggregation coordination relationship; and a reconfiguration message sending module, configured to send to the terminal to establish a connection a first reconfiguration message, where the first reconfiguration message is used to deliver first report configuration information of channel quality indicator/rank indication CQI/RI information under the first cell, and send the Adding a second reconfiguration message of the secondary carrier, where the second reconfiguration message is used to send the second report configuration information of the CQI/RI information in the second cell, so that the terminal is configured according to the first report Determining whether to periodically report the CQI/RI information, and calculating a subframe for reporting the CQI/RI information on the primary carrier or the secondary carrier; the carrier activation module, After being configured to activate the first cell and the second cell as a primary carrier and a secondary carrier, the terminal calculates a carrier and a channel for transmitting the CQI/RI information according to a periodic determination result
  • An embodiment further provides a computer readable storage medium storing computer executable instructions for performing any of the methods described above.
  • An embodiment also provides a terminal that can include one or more processors, memory, and one or more programs, the one or more programs being stored in memory when executed by one or more processors Perform the above method.
  • An embodiment also provides a base station that can include one or more processors, memory, and one or more programs, the one or more programs being stored in memory when executed by one or more processors Perform the above method.
  • An embodiment further provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, When the program instructions are executed by a computer, the computer is caused to perform any of the methods described above.
  • the CQI/RI reporting configuration information of the primary and secondary carriers is used to determine the subframe and the channel for transmitting the CQI/RI information, so that the UCI information can be transmitted in a timely and accurate manner, thereby effectively avoiding the unsuccessful or unsuccessful transmission of the UCI information. occur.
  • FIG. 1 is a flowchart of an uplink control information transmission method according to an embodiment.
  • FIG. 2 is a schematic structural diagram of a terminal according to an embodiment.
  • FIG. 2b is a schematic structural diagram of another terminal according to an embodiment.
  • FIG. 2c is a schematic structural diagram of still another terminal according to an embodiment.
  • FIG. 3 is a flowchart of an uplink control information transmission method according to an embodiment.
  • FIG. 4a is a schematic structural diagram of a base station according to an embodiment.
  • FIG. 4b is a schematic structural diagram of another base station according to an embodiment.
  • FIG. 5a is a flowchart of an uplink control information transmission method according to an embodiment.
  • FIG. 5b is a sub-flow diagram of an uplink control information transmission method according to an embodiment.
  • FIG. 5c is a flowchart of a method for transmitting periodic UCI information according to an embodiment.
  • FIG. 5d is a flowchart of a method for transmitting non-periodic UCI information according to an embodiment.
  • FIG. 6 is a schematic structural diagram of a terminal according to an embodiment.
  • FIG. 7 is a flowchart of an uplink control information transmission method according to an embodiment.
  • FIG. 8 is a flowchart of another uplink control information transmission method according to an embodiment.
  • FIG. 9 is a flowchart of still another method for transmitting uplink control information according to an embodiment.
  • FIG. 10 is a schematic structural diagram of a base station according to an embodiment.
  • FIG. 11 is a schematic structural diagram of hardware of a user equipment according to an embodiment.
  • FIG. 12 is a schematic structural diagram of a hardware structure of a base station according to an embodiment.
  • Carrier aggregation means that a base station aggregates two or more component carriers (CCs) together to provide services for a terminal, such as a UE.
  • the carrier that the UE randomly accesses is called a Primary Carrier Component (PCC) or a Primary Cell (PCell).
  • PCC Primary Carrier Component
  • PCell Primary Cell
  • RRC Radio Resource Control
  • SCC Secondary Carrier Component
  • SCell Secondary Cell
  • FIG. 1 is a schematic diagram of an uplink control information transmission method according to an embodiment, which may be applied to a terminal, where a terminal is in communication with a base station, and the base station configures the first cell and the second cell as uplink and downlink carrier aggregation coordination relationships, and the method may include the following steps. 110 - Step 140.
  • step 110 determining, according to the first channel quality indicator/rank indication CQI/RI reporting configuration information of the first cell, and the second CQI/RI reporting configuration information of the second cell, whether to periodically report the first CQI/RI information of the cell and CQI/RI information of the second cell, and calculating a first subframe for reporting CQI/RI information of the first cell and a CQI/RI information for reporting the second cell Two sub-frames.
  • CQI/RI refers to CQI information and RI information.
  • the base station configures the CQI/RI report configuration information of each cell for the terminal by using the RRC connection reconfiguration message, and the terminal determines whether to support the periodic report of the CQI/RI information according to the CQI/RI report configuration information of each cell, and calculates A subframe for reporting CQI/RI information of each cell, for example, the number of the subframe is 0-9, and the difference between the adjacent two subframes is 1 ms.
  • the CQI/RI information of the first cell is reported on the k1 subframe
  • the CQI/RI information of the second cell is reported in the k2 subframe.
  • the method further includes: receiving, by the base station, a first reconfiguration message for establishing a connection with the terminal, where the first reconfiguration message is used to configure the location of the first cell for the terminal Transmitting the configuration information by the first CQI/RI, and receiving the second information sent by the base station for adding the secondary carrier The second reconfiguration message is used to configure the second CQI/RI reporting configuration information of the second cell for the terminal.
  • the calculated CQI/RI information includes CQI/RI information of the first cell or CQI/RI information of the second cell.
  • the base station configures the first cell as the primary carrier and the second cell as the secondary carrier.
  • the base station may determine whether to activate the secondary carrier according to the size of the service to activate the primary carrier and the secondary carrier. For example, after the carrier is activated, the UE calculates the CQI/RI information of the current cell to be reported, that is, the CQI/RI information, and the current cell to be reported is the first cell or the second cell.
  • step 130 when the result of the determination is that the CQI/RI information is periodically reported, the cell that transmits the CQI/RI information and the corresponding cell are determined according to the acquired carrier index and the uplink grant information of the downlink control information DCI0. channel.
  • the carrier index is obtained from the log, and the uplink grant status of the DCI0 received in the subframe of the preset time before the subframe corresponding to the CQ/RI information is detected; where the carrier index indication is a cell corresponding to the CQI/RI information; determining, according to the carrier index, the carrier index, and the uplink grant status of the DCI0, a cell that transmits the CQI/RI information and a channel corresponding to the cell.
  • the terminal when calculating the CQI/RI information, the terminal identifies the CQI/RI information of the cell currently calculated in the log of the terminal, such as the carrier index in the UE Log-LTE PUCCH CFS information. To indicate the cell corresponding to the currently calculated CQI/RI information.
  • the cell corresponding to the current CQI/RI information may be determined by reading the carrier index, and the cell is used as the cell reporting the CQI/RI information, for example, the Carrier Index indicates the first
  • the CQI/RI information of the first cell is reported on the first cell
  • the CQI/RI information of the second cell is reported on the second cell by the carrier index, and then determined according to the uplink authorization status of the DCI0. Out channel.
  • the corresponding reporting subframe is k1
  • the preset time may be 4 ms
  • the authorization of the DCI0 on the k1-4 subframe is performed.
  • k1-4 represents a subframe of 4 ms before the k1 subframe.
  • the authorization status of the DCI0 on the k2-4 subframe is determined.
  • the DCI0 when the DCI0 has an uplink grant of the cell indicated by the carrier index, determining, by using a physical uplink shared channel (PUSCH) of the cell indicated by the carrier index, to transmit the CQI/RI information. a channel; when the DCI0 does not have the cell uplink grant indicated by the carrier index, transmitting the CQI/RI information on a physical uplink control channel of the cell indicated by the carrier index.
  • PUSCH physical uplink shared channel
  • the carrier index indicates the first cell, and the authorization status of the DCI0 on the k1-4 subframe is determined.
  • the PUSCH channel of the first cell is determined as the channel for transmitting the CQI/RI information of the first cell, and when there is no uplink grant for the first cell in the DCI0, the PUCCH channel of the first cell is determined to be the transmission.
  • the channel of CQI/RI information for a cell When the currently calculated CQI/RI information is the CQI/RI information of the second cell, according to the foregoing procedure, the cell and the channel for reporting the CQI/RI information of the second cell are determined.
  • the cell that transmits the CQI/RI information and the channel corresponding to the cell are determined according to downlink control information sent by the base station.
  • the CQI request is obtained from the downlink control information DCI in the physical downlink control channel (PDCCH), and the CQI request is determined.
  • the physical uplink shared channel of the cell indicated by the CQI request is a channel for transmitting the CQI/RI information, where the CQI/RI information is a CQI Request of a cell indicated by the CQI request.
  • the base station sends a downlink control that instructs the terminal to perform aperiodic reporting during the aperiodic reporting.
  • the information DCI0 the terminal reads the value of the CQI Request field in the DCI0, and determines the cell in which the base station instructs the terminal to report the CQI/RI information.
  • the base station sends the indication information to the terminal through the DCI0, but the information in the DCI0 read by the terminal is different.
  • the terminal reads the uplink authorization information of the DCI0;
  • the terminal reads the value of the CQI Request field of DCI0.
  • the CQI/RI information of the second cell the currently calculated CQI/RI information is the CQI/RI information of the second cell, and the terminal reports the CQI/RI information of the second cell on the PUSCH channel of the second cell.
  • step 140 according to the subframe corresponding to the CQI/RI information, the cell that transmits the CQI/RI information, and the channel corresponding to the cell, send an uplink that includes the CQI/RI information to the base station.
  • Control information UCI UCI.
  • the cell corresponding to the currently calculated CQI/RI information is used as the cell that transmits the CQI/RI information, and the CQI/RI information is reported on the channel corresponding to the cell, so that the cell can be reported on the channel corresponding to each cell.
  • the CQI/RI information is used to prevent the periodic CQI/RI information of all the carriers from being reported on the PUSCH of the primary carrier, which can reduce the occupation of the primary carrier PUSCH resources and ensure timely reporting of CQI/RI information of each cell.
  • An embodiment provides a terminal.
  • the terminal 1 is in communication with a base station 2, and the base station 2 configures a first cell and a second cell as uplink and downlink carrier aggregation coordination relationships, and the terminal can perform the foregoing implementation.
  • the method for transmitting uplink control information provided by the example, as shown in FIG. 2b, the terminal may include include:
  • the period judging module 210 is configured to determine, according to the first channel quality indicator/rank indication CQI/RI reporting configuration information of the first cell, and the second CQI/RI reporting configuration information of the second cell, whether to periodically report the CQI/RI information of the first cell and CQI/RI information of the second cell, and calculating a first subframe for reporting CQI/RI information of the first cell and reporting CQI/RI information of the second cell The second sub-frame.
  • the CQI/RI information calculation module 220 is configured to calculate CQI/RI information, where the CQI/RI information includes CQI/RI information of the first cell or CQI/RI information of the second cell.
  • the first channel determining module 230 is configured to determine, when the CQI/RI information is periodically reported, the cell and the device that transmit the CQI/RI information are determined according to the acquired carrier index and the uplink grant information of the downlink control information DCI0. The channel corresponding to the cell.
  • the second channel determining module 240 is further configured to: when the CQI/RI information is reported to be non-periodically reported, determine, according to the downlink control information sent by the base station, to transmit the CQI/RI information. a cell and a channel corresponding to the cell.
  • the reporting module 250 is configured to send, according to the subframe corresponding to the CQI/RI information, the cell that transmits the CQI/RI information, and the channel corresponding to the cell, to the base station, where the CQI/RI information is included.
  • Uplink control information UCI UCI.
  • the terminal further includes a reconfiguration message receiving module 200, configured to: report configuration information and a second CQI of the second cell according to the first CQI/RI of the first cell.
  • the RI reports the configuration information, and determines whether to periodically report the CQI/RI information of the first cell and the CQI/RI information of the second cell, and calculate a first subframe of the CQI/RI of the first cell and Before the second subframe of the CQI/RI of the second cell is reported, receiving a first reconfiguration message sent by the base station to establish a connection with the terminal, where the first reconfiguration message is used to configure the terminal for the terminal The first of the first cell
  • the CQI/RI reports configuration information, and receives a second reconfiguration message sent by the base station to add a secondary carrier, where the second reconfiguration message is used to configure a second CQI of the second cell for the terminal.
  • the RI reports configuration information.
  • the first channel determining module 230 includes:
  • the detecting unit 232 is configured to: when the result of the determination is that the CQI/RI information is periodically reported, obtain a carrier index from the log, and detect a preset time before the subframe corresponding to the CQ/RI information. An uplink grant situation of DCI0 received on the subframe; wherein the carrier index indicates a cell corresponding to the CQI/RI information.
  • the channel determining unit 234 is configured to determine, according to the carrier index and the uplink grant status of the DCI0, a cell that transmits the CQI/RI information and a channel corresponding to the cell.
  • the channel determining unit 234 is configured to: when the DCI0 has an uplink grant of the cell indicated by the carrier index, determine, that the physical uplink shared channel PUSCH of the cell indicated by the carrier index is Transmitting the CQI/RI information; when there is no cell uplink grant indicated by the carrier index in the DCI0, determining a physical uplink control channel PUCCH of the cell indicated by the carrier index to transmit the CQI/RI information.
  • the second channel determining module 240 is configured to: when the CQI/RI information is reported to the base station aperiodically, obtain a CQI request from the downlink control information sent by the base station, and determine the CQI.
  • the physical uplink shared channel of the cell requesting the indication is transmitting the CQI/RI information, where the CQI/RI information is CQI/RI information of the cell indicated by the CQI request.
  • An embodiment further provides an uplink control information transmission method, which is applied to a base station. As shown in FIG. 3, the method may include steps 310-310.
  • the first cell and the second cell are configured as uplink and downlink carrier aggregation cooperative relationships.
  • the terminal according to the first channel quality indicator/rank indication of the first cell
  • the CQI/RI reports the configuration information and the second CQI/RI reporting configuration information of the second cell, and determines whether to periodically report the CQI/RI information of the first cell and the CQI/RI information of the second cell, and calculate After the first subframe of the CQI/RI of the first cell is reported, and the second subframe of the CQI/RI of the second cell is reported, the carrier corresponding to the first cell is set as a primary carrier, and the The carrier corresponding to the second cell is set as a secondary carrier and activated.
  • the CQI/RI information is calculated by the terminal, and after determining the cell that transmits the CQI/RI information and the channel corresponding to the cell according to the periodicity of reporting the CQI/RI information, receiving the And the CQI/RI information sent by the terminal according to the subframe corresponding to the CQI/RI information, the cell that transmits the CQI/RI information, and the channel corresponding to the cell; wherein the CQI/RI information is The CQI/RI information of the first cell or the CQI/RI information of the second cell.
  • the method further includes: sending, by the terminal, a first reconfiguration message for establishing a connection with the terminal, where the first reconfiguration message is used to configure the first CQI of the first cell for the terminal And the RI reports the configuration information, and sends a second reconfiguration message for adding the secondary carrier to the terminal, where the second reconfiguration message is used to configure the second CQI/RI reporting configuration information of the second cell for the terminal .
  • the receiving the CQI/RI information that is sent by the terminal according to the subframe corresponding to the CQI/RI information, the cell that sends the CQI/RI information, and the channel corresponding to the cell includes: When the terminal periodically reports the CQI/RI information, detecting an authorization status of the DCI0 of the terminal; determining, according to the authorization status of the DCI0, a cell that receives the CQI/RI information and the cell corresponding to the Channel.
  • determining, according to the authorization situation of the DCI0, the cell that receives the CQI/RI information and the channel corresponding to the cell including: when the DCI0 has an uplink of a cell corresponding to the CQI/RI information When the authorization is performed, the CQI/RI information is received on a physical uplink shared channel of the cell corresponding to the CQI/RI information; when the DCI0 does not have an uplink authorization for the cell corresponding to the CQI/RI information And receiving the CQI/RI information on a physical uplink control channel of a cell corresponding to the CQI/RI information.
  • the terminal reports the CQI/RI information aperiodically, the CQI request is obtained from the downlink control information sent by the base station, and is received on the physical uplink shared channel of the carrier corresponding to the cell indicated by the CQI request.
  • CQI/RI information wherein the CQI/RI information is CQI/RI information of a cell indicated by the CQI request.
  • the method of the base station side provided by this embodiment corresponds to the method for transmitting the uplink control information measured by the terminal, that is, the base station receives the CQI/RI information on the cell and the corresponding channel on which the terminal transmits the CQI/RI information, which is not described in detail in this embodiment.
  • the uplink control information transmission method of the terminal measurement provided by the foregoing embodiment.
  • An embodiment further provides a base station, where the base station is in communication with the terminal, as shown in FIG. 4a, the base station may include:
  • the configuration module 410 is configured to configure the first cell and the second cell to be uplink and downlink carrier aggregation cooperative relationships.
  • the activation module 420 is configured to determine, according to the first channel quality indicator/rank indication CQI/RI reporting configuration information of the first cell, and the second CQI/RI reporting configuration information of the second cell, whether the terminal reports the periodic report. Determining CQI/RI information of the first cell and CQI/RI information of the second cell, and calculating a first subframe of reporting the CQI/RI of the first cell and reporting CQI/RI of the second cell After the second subframe, the carrier corresponding to the first cell is set as the primary carrier, and the carrier corresponding to the second cell is set as the secondary carrier, and is activated.
  • the information receiving module 430 is configured to calculate CQI/RI information at the terminal, and according to the reporting a periodicity of the CQI/RI information, after determining a cell that transmits the CQI/RI information and a channel corresponding to the cell, receiving, by the terminal, a subframe corresponding to the CQI/RI information, and transmitting the CQI/ The CQI/RI information sent by the cell of the RI information and the channel corresponding to the cell; wherein the CQI/RI information is CQI/RI information of the first cell or CQI/RI information of the second cell .
  • the base station further includes: a reconfiguration information sending module 400, configured to: at the terminal, report, according to the first channel quality indicator/rank indication CQI/RI of the first cell,
  • the second CQI/RI of the second cell reports the configuration information, and determines whether to periodically report the CQI/RI information of the first cell and the CQI/RI information of the second cell, and calculate and report the CQI of the first cell.
  • the terminal Before transmitting the first subframe of the RI and reporting the second subframe of the CQI/RI of the second cell, sending, by the terminal, a first reconfiguration message for establishing a connection with the terminal, where the first reconfiguration message is used for
  • the terminal configures a first CQI/RI reporting configuration information of the first cell, and sends a second reconfiguration message for adding a secondary carrier to the terminal, where the second reconfiguration message is used to configure the terminal for the terminal
  • the second CQI/RI of the second cell reports configuration information.
  • the information receiving module 430 includes: an authorization detecting unit 432, configured to detect an authorization status of the DCI0 of the terminal when the terminal periodically reports the CQI/RI information; and the information receiving unit 434. Set, according to the authorization condition of the DCI0, to determine a cell that receives the CQI/RI information and a channel that is corresponding to the cell.
  • the information receiving unit is configured to: when there is an uplink grant for the cell corresponding to the CQI/RI information in the DCI0, the physical uplink shared channel of the cell corresponding to the CQI/RI information Receiving the CQI/RI information; when there is no uplink grant for the cell corresponding to the CQI/RI information in the DCI0, the physical uplink control channel receiving station of the cell corresponding to the CQI/RI information CQI/RI information.
  • the information receiving module is configured to: report the non-periodically reported in the terminal
  • the CQI/RI information is obtained, the CQI request is obtained from the downlink control information sent by the base station, and the CQI/RI information is received on a physical uplink shared channel of the carrier corresponding to the cell indicated by the CQI request, where the CQI is used.
  • the /RI information is CQI/RI information of the cell indicated by the CQI request.
  • the CQI/RI information of the cell reported by the terminal is received on the channel corresponding to each cell, the occupation of the PUSCH resource of the primary carrier is reduced, and the CQI/RI information is received in a timely and accurate manner to ensure UCI information reception. Stability, effectively avoiding the occurrence of unsuccessful or untimely receipt of UCI information.
  • an embodiment provides an uplink control information transmission method, which is applicable to a carrier aggregation application scenario, and may be applied to a terminal, where the terminal may be a UE, and the base station will use a first cell (cell1), The second cell (cell 2) is configured as an uplink and downlink carrier aggregation coordination relationship.
  • the base station configures the first cell as the primary carrier and the second cell as the secondary carrier.
  • the method in this embodiment may include the following steps: Step 510 - Step 540 .
  • step 510 the first reconfiguration message sent by the base station is used to establish a connection, and the first reconfiguration message is used to deliver the channel quality indicator/rank indication CQI/RI information in the first cell. And transmitting a second reconfiguration message for adding the secondary carrier, where the second reconfiguration message is used to send the second report of the CQI/RI information in the second cell. Configuration information.
  • the base station configures cell1 and cell2 as an uplink-downlink carrier aggregation cooperative relationship.
  • the base station accesses the cell 1 by using the RRC connection reconfiguration message (rrcConnectionReconfiguration), that is, the first reconfiguration message, and the RRC is an abbreviation of the radio resource control (Radio Resource Control).
  • the base station may add the cell 2 as the secondary carrier of the UE by using the RRC connection reconfiguration message, that is, the foregoing second reconfiguration message.
  • the base station performs the first RRC connection reconfiguration (the message is that the UE configures the CQI/RI reporting configuration information of the cell1, and configures the CQI/RI reporting of the cell2 for the UE through the second RRC connection reconfiguration message.
  • the information includes the configuration information of periodically and aperiodically reporting CQI information.
  • step 520 it is determined whether the CQI/RI information is periodically reported according to the first reporting configuration information and the second reporting configuration information, and is calculated to report the CQI on the primary carrier or the secondary carrier. Subframe of the /RI information.
  • the UE may calculate the reporting subframes k1 and k2 of the CQI information and the reporting subframe of the RI, where k1 is the reporting subframe on the primary carrier, and k2 is the secondary The reporting subframe on the carrier, and obtaining the reporting mode and the reporting period of the CQI information through the RRC connection reconfiguration message. Since the above-mentioned reported subframe is obtained according to the CQI/RI report configuration information, the UCI information such as the CQI/RI information of the corresponding cell can be accurately and timely transmitted through the above-mentioned reported subframe.
  • step 530 after the base station activates the first cell and the second cell as the primary carrier and the secondary carrier, the carrier and the channel for transmitting the CQI/RI information are calculated according to the periodic determination result.
  • the base station activates the uplink and downlink primary carriers and the secondary carrier, and the UE feeds back the primary carrier and the UCI information in the active secondary carrier to the base station, and selects the ACK/NAK for transmitting the primary carrier and the secondary carrier.
  • Channels for information and CQI/RI information for example, the UE performs reporting of ACK/NAK information of the primary carrier and the secondary carrier on the PUCCH, and performs primary carrier and secondary carrier on the Physical Uplink Shared Channel (PUSCH).
  • PUSCH Physical Uplink Shared Channel
  • the CQI/RI information is reported; the UE then determines the carrier where the PUCCH channel transmitting the ACK/NAK information of the primary carrier and the secondary carrier is located, and determines the carrier where the PUSCH channel transmitting the CQI/RI information of the primary carrier and the secondary carrier is located, for example: UE Transmitting ACK/NAK information of cell1 and cell2 on the PUCCH of the primary carrier; transmitting CQI/RI information of cell1 by data multiplexing on the PUSCH of the primary carrier; and transmitting CQI/RI of the cell2 by data multiplexing on the PUSCH of the secondary carrier information.
  • step 540 transmitting, according to the subframe, the carrier, and the channel, to the base station CQI/RI information.
  • a single-UE or multi-UE hybrid carrier aggregation scenario is proposed, and a UCI information multiplexing technology is proposed.
  • the base station sends a reconfiguration message
  • the UE reports a configuration message based on the CQI/RI of the primary carrier and the secondary carrier in the reconfiguration message.
  • the subframe for transmitting UCI information such as ACK/NAK information and CQI/RI information can be determined, and the channel and carrier used for transmitting the UCI information can be calculated, so that UCI information transmission can be performed in a timely and accurate manner to ensure UCI information.
  • the stability of the transmission can effectively avoid the unsuccessful or unsuccessful transmission of UCI information.
  • the foregoing step 530 may include steps 531-533.
  • step 531 when the CQI/RI information is periodically reported, the carrier index is obtained from the log of the terminal, and other subframes in a preset time before the subframe in which the CQI/RI information is reported are detected.
  • the uplink authorization status of the downlink control information DCI0 received.
  • the UE calculates the CQI/RI reporting subframe, and the UE performs the CQI/RI calculation on the CQI/RI before the sub-frame is reported in the CQI/RI for 2ms or 4ms (this is related to the internal implementation of the terminal).
  • the UE may obtain the carrier index information according to the UE log (Log), such as the LTE PUCCH CSF log, after the CQI/RI information is periodically reported by the UE. And detecting, in the 2ms or 4ms before the reporting subframe, an uplink grant situation of the downlink control information (DCI0) whose format bit is 0 in other subframes.
  • the carrier index is used to indicate a carrier corresponding to the currently calculated CQI information.
  • step 532 when there is only uplink grant for the primary carrier in DCI0, the CQI/RI information of the cell indicated by the carrier index is transmitted on a physical uplink shared channel of the primary carrier.
  • step 533 when there is an uplink grant for the primary carrier and the secondary carrier in the DCI0, the physical uplink shared channel of the carrier corresponding to the carrier index is selected from the primary carrier and the secondary carrier. Transmitting the CQI/RI information of the cell indicated by the carrier index.
  • the cell index in DCI0 indicates that there are two: cell index1 and cell index2.
  • the UE selects the PUSCH of the same cell as the carrier index to report the CQI/RI information, for example, the UE performs the reporting of the CQI/RI information of the current cell on the PUSCH of the cell indicated by the Cell Index 1, and can be multiplexed by the CQI/RI data. The way to report information.
  • step 534 when there is no uplink grant in DCI0, the CQI/RI information of the cell indicated by the carrier index is transmitted on a physical uplink control channel of the carrier corresponding to the carrier index.
  • FIG. 5c The flow of the carrier where the PUSCH of the UCI information is periodically transmitted by the UE in FIG. 5c is shown in FIG. 5c.
  • the PCC indicates the primary carrier, and when the cell1 is the primary carrier, the PPC takes 1.
  • the base station sends the first of the cell1 to the UE by using the first RRC connection reconfiguration message.
  • the configuration information is reported by the CQI/RI; the second RRC connection reconfiguration message is used to add the cell 2 as the secondary carrier, and the configuration information of the second CQI/RI of the cell 2 is delivered.
  • step 5110 the UE determines whether to periodically report the CQI/RI information of cell1 and cell2 according to the two CQI/RI reporting configuration information, and calculates the subframes k1 and k2 that report the CQI/RI information.
  • k1 is a subframe for reporting the primary carrier CQI/RI information
  • k2 is a subframe for reporting the secondary carrier CQI/RI information.
  • step 5120 according to the reporting period and the UE side log, for example, the Carrier Index indication in the LTE LL1 PUCCH CSF, the CQI/RI information is reported to be reported on k1 or k2, in k1-2 or 4 subframes, or in k2- The CQI/RI information of cell1 or cell2 is calculated in 2 or 4 subframes.
  • step 5140 the UE performs calculation of the primary carrier CQI/RI value on k1-2 or 4 subframes.
  • step 5150 the UE performs reporting of the CQI information of the cell 1 on the K1 subframe, and performs step 5180.
  • step 5160 the UE performs a calculation of the CQI/RI value of the secondary carrier on k2-2 or 4 subframes.
  • step 5170 the UE performs reporting of the secondary carrier CQI on the K2 subframe.
  • step 5180 it is determined whether the UE receives the uplink grant of DCI0 on the ki-4 subframe, if otherwise, step 5190 is performed, and if yes, step 5200 is performed. Where ki includes k1 and k2, if step 5150 is performed to jump to step 5180, then ki is k1, and step 5170 jumps to step 5180, and ki is k2.
  • step 5190 the UE performs CQI/RI information reporting on the PUCCH of the carrier indicated by the carrier index, and the process ends.
  • step 5200 the UE selects a PUSCH channel for reporting CQI/RI information.
  • step 5210 it is determined whether there is only uplink grant of the primary carrier in DCI0, and if yes, step 5220 is performed, otherwise step 5230 is performed.
  • step 5220 the UE reports the CQI/RI information of the cell indicated by the carrier index on the PUSCH of the primary carrier.
  • step 5230 the UE selects the carrier indicated by the carrier index in the primary carrier and the secondary carrier with the DCI0 uplink grant, and performs CQI/RI information reporting on the PUSCH of the carrier.
  • the step 130 of the foregoing embodiment may further include: when reporting the CQI/RI information aperiodically, acquiring a CQI request from the downlink control information sent by the base station, and requesting the corresponding carrier in the CQI request.
  • the CQI/RI information of the cell indicated by the CQI request is transmitted on the physical uplink shared channel.
  • the CQI Request (CQI Request) indication is obtained, and after receiving the indication, the UE performs the following judgment: when the value indicated by the CQI Request is 1, 2 or 3
  • the CQI information of the primary carrier, the first secondary carrier, or the second secondary carrier is reported as a non-period, and the Cell Index indication in the DCI Information Report message is determined by the 3GPP protocol, and the Cell Index indication in the DCI Information Report is specified by the 3GPP protocol.
  • the UE may send the aperiodic CQI information on the channel corresponding to the carrier indicated by the Cell Index, so that the aperiodic CQI information of all the carriers may be indicated to be sent on the channel of one carrier.
  • the UE may select the PUSCH of the carrier indicated by the CQI Request to perform the reporting of the aperiodic CQI information, so as to achieve the purpose of reporting the aperiodic CQI information on the channel corresponding to each carrier.
  • the process of determining, by the UE, the carrier where the PUSCH of the non-periodic UCI information is transmitted is as shown in FIG. 5d, and the value indicated by the CQI request is 1, 2 or 3, where the CQI request indication is 1, indicating the primary carrier; the CQI request When the indication is 2, the first secondary carrier is indicated; when the CQI request indication is 3, the second secondary carrier is indicated.
  • step 5310 CQI request indication information in the LTE DCI information report is obtained.
  • step 5320 it is determined whether the value indicated by the CQI request is 1, if yes, step 5330 is performed, otherwise step 5340 is performed.
  • step 5330 the aperiodic CQI information of the primary carrier is reported, and step 5370 is performed.
  • step 5340 it is determined whether the value indicated by the CQI request is 2, and if so, step 5350 is performed, if otherwise, S5360 is executed.
  • step 5350 the aperiodic CQI information of the first secondary carrier is reported, and step 5370 is performed.
  • step 5360 the aperiodic CQI information of the second secondary carrier is reported.
  • step 5370 the UE selects the PUSCH of the carrier indicated by the CQI request to perform reporting of aperiodic CQI information.
  • Aperiodic CQI information of the carrier may be reported on a corresponding channel of a carrier.
  • the base station configures the first cell and the second cell as the uplink and downlink carrier aggregation coordination relationship, and the terminal provided in the embodiment may include:
  • the reconfiguration message receiving module 610 is configured to receive a first reconfiguration message sent by the base station to establish a connection, where the first reconfiguration message is used to send a channel quality indicator/rank indicator CQI/ under the first cell.
  • the first report configuration information of the RI information, and the second reconfiguration message sent by the base station to add the secondary carrier, where the second reconfiguration message is used to send the CQI/RI information in the second cell The second report configuration information.
  • the subframe calculation module 620 is configured to determine, according to the first report configuration information and the second report configuration information, whether to periodically report the CQI/RI information, and calculate the report on the primary carrier or the secondary carrier. a subframe of the CQI/RI information.
  • the channel carrier calculation module 630 is configured to calculate, after the base station activates the first cell and the second cell as the primary carrier and the secondary carrier, the carrier that transmits the CQI/RI information according to the periodic determination result. And channel.
  • the sending module 640 is configured to send the CQI/RI information to the base station according to the subframe, the carrier, and the channel.
  • This embodiment can implement UCI information transmission at an appropriate time, on an appropriate channel, and on a carrier, and effectively avoids the occurrence of unsuccessful or untimely transmission of UCI information.
  • the channel carrier calculation module 630 is configured to: when periodically reporting the CQI/RI information, obtain a carrier index from a log of the terminal, and detect a pre-prefix before reporting the CQI/RI information subframe.
  • the CQI/RI information of the cell indicated by the carrier index is transmitted on a physical uplink shared channel of the primary carrier.
  • the carrier When there is an uplink grant for the primary carrier and the secondary carrier in DCI0, the carrier is transmitted on a physical uplink shared channel that selects a carrier corresponding to the carrier index from the primary carrier and the secondary carrier The CQI/RI information of the cell indicated by the index.
  • the CQI/RI information of the cell indicated by the carrier index is transmitted on a physical uplink control channel of the carrier corresponding to the carrier index.
  • the channel carrier calculation module 630 is further configured to: when the CQI/RI information is reported aperiodically, obtain a CQI request from the downlink control information sent by the base station, and request the corresponding carrier in the CQI request.
  • the CQI/RI information of the cell indicated by the CQI request is transmitted on the physical uplink shared channel.
  • an embodiment provides an uplink control information transmission method, which is applied to a base station, and the method may include steps 710-740.
  • the first cell and the second cell are configured as an uplink and downlink carrier aggregation coordination relationship.
  • cell1 and cell2 there are two cells, cell1 and cell2, on the network side, and cell1 and cell2 are configured as uplink and downlink carrier aggregation cooperative relationships through the network side.
  • a first reconfiguration message is sent to the terminal, and the first reconfiguration message is used to deliver the channel quality indicator/rank indication CQI/RI information in the first cell.
  • a sub-frame of CQI/RI information is sent to the terminal, and the first reconfiguration message is used to deliver the channel quality indicator/rank indication CQI/RI information in the first cell.
  • step 730 after the first cell and the second cell are activated as a primary carrier and a secondary carrier, the terminal calculates a carrier and a channel for transmitting the CQI/RI information according to a periodic determination result.
  • step S740 the CQI/RI information sent by the terminal according to the subframe, the carrier, and the channel is received.
  • This embodiment can implement UCI transmission at an appropriate time, on an appropriate channel, and on a carrier, effectively avoiding the occurrence of unsuccessful or untimely transmission of UCI information.
  • step 740 of this embodiment may include steps 841 to 843.
  • step 841 when the terminal periodically reports the CQI/RI information, the authorization status of the downlink control information DCI0 of the terminal is detected.
  • the RRC layer of the base station side sends the report configuration parameters including the CQI/RI information to the MAC/PHY layer of the UE and the base station respectively through the RRC connection reconfiguration message, and receives at the UE. While the CQI/RI reports the configuration information, the base station can also acquire the relevant parameters of the CQI/RI information reported by the UE, and calculate the subframes and periods in which the CQI/RI information is reported by the UE on each carrier. When the base station does not provide uplink services, that is, when the base station does not provide services to the UE, the base station performs CQI/RI information reception of cell1 and cell2 on the PUCCH channel of the primary carrier.
  • step 842 when there is only uplink grant for the primary carrier in the DCI0, then in the primary The CQI/RI information of the primary carrier and the secondary carrier is received on a physical uplink shared channel of the carrier.
  • the base station when the base station has an uplink service, that is, the base station provides the UE with the service, the base station performs the detection and reception of the CQI/RI information on the PUSCH channel, and the base station can determine which carrier is in the current DCI0 authorization status.
  • the detection is performed on the PUSCH. For example, when the base station detects only the uplink grant of the primary carrier in the subframe that is sent to the UE through the physical downlink control channel (PDCCH), the base station performs the primary carrier and the secondary carrier on the PUSCH channel of the primary carrier. Detection and reception of CQI/RI information.
  • PDCCH physical downlink control channel
  • step 843 when there is an uplink grant to the primary carrier and the secondary carrier in the DCI0, the carrier corresponding to the CQI/RI information is determined, and the physical uplink of the carrier corresponding to the CQI/RI information is shared.
  • the CQI/RI information is received on a channel.
  • the base station determines which carrier the current subframe is the CQI/RI information reporting subframe, and selects the PUSCH of the carrier to receive the CQI. /RI information, that is, if the current subframe is the reporting subframe of the primary carrier, the base station performs detection and reception of the CQI/RI information of the primary carrier on the PUSCH of the primary carrier, if the current subframe is the reporting subframe of the first secondary carrier The base station performs detection and reception of CQI/RI information of the secondary carrier on the PUSCH of the first secondary carrier.
  • the flow by which the base station determines the periodic CQI/RI information detection and reception on the PUSCH of which carrier is as shown in FIG.
  • the base station determines, by using the CQI/RI reporting configuration information in the RRC connection reconfiguration message, the subframe and the period in which the UE reports the CQI/RI information on each carrier.
  • step 904 the base station detects and receives the CQI/RI information reported by the terminal according to the subframe and the period in which the CQI/RI information is reported.
  • step 906 the base station determines whether there is an uplink service in the subframe in which the CQI/RI information is reported. Otherwise, if step 908 is performed, if yes, step 910 is performed.
  • step 908 the base station performs detection and reception of CQI/RI information of the primary and secondary carriers on the PUCCH channel of the primary carrier, and the process ends.
  • step 910 the base station performs detection and reception of CQI/RI information on the PUSCH channel.
  • step 912 the base station detects whether there is uplink grant information of the primary carrier and the secondary carrier in the DCI grant information sent to the UE by the PDCCH. If yes, execute S914, if yes, execute S916.
  • step 914 the base station performs detection and reception of CQI/RI information of the primary and secondary carriers on the PUSCH channel of the primary carrier, and the process ends.
  • step 916 the carrier corresponding to the CQI/RI information in the current subframe is determined, and the carrier is selected.
  • step 918 the base station performs detection and reception of CQI/RI information on the PUSCH channel of the selected carrier.
  • the step 740 of the embodiment may further include: when the terminal sends the CQI/RI information aperiodically, acquiring a CQI request from the downlink control information sent by the base station, where the CQI is And transmitting the CQI/RI information of the cell indicated by the CQI request on a physical uplink shared channel of the corresponding carrier.
  • the reporting time of the non-periodic reporting of the CQI/RI information by the UE is determined by the indication of the base station, that is, the base station indicates that the CQI information is sent on a carrier, and the base station waits for the aperiodic CQ I on the PUSCH of the carrier.
  • Receiving information for example, the base station indicates, by using the Cell Index in the PDCCH DCI Information, the UE transmits the carrier of the aperiodic CQI information, and the base station performs the reception of the aperiodic CQI information on the carrier, and the UE may also indicate by using the CQI Request.
  • the receiving mechanism of the corresponding base station also changes. For example, when the CQI Request indication in the DCI Information sent by the base station to the UE by the PDCCH is 1, 2 or 3, The UE reports the aperiodic CQI information of the primary carrier, the first secondary carrier, or the second secondary carrier respectively. If the current CQI Request indicates the acyclic CQI information of the carrier, the base station is in the PUSCH of the carrier. The detection and reception of aperiodic CQI/RI information is performed. There is no need to make any changes to the DCI information in this method.
  • an embodiment provides a base station, which may include: a configuration module 1010, configured to configure a first cell and a second cell as uplink and downlink carrier aggregation cooperative relationships.
  • the re-allocation message sending module 1020 is configured to send, to the terminal, a first re-configuration message for establishing a connection, where the first re-configuration message is used to deliver a channel quality indicator/rank indicator CQI/ under the first cell.
  • the second reporting configuration information so that the terminal determines whether to periodically report the CQI/RI information according to the first reporting configuration information and the second reporting configuration information, and calculates the primary carrier or the secondary carrier.
  • the carrier activation module 1030 is configured to: after the first cell and the second cell are activated as a primary carrier and a secondary carrier, the terminal calculates a carrier and a channel for transmitting the CQI/RI information according to a periodic determination result. .
  • the receiving module 1040 is configured to receive the CQI/RI information that is sent by the terminal according to the subframe, the carrier, and the channel.
  • This embodiment can implement UCI transmission at an appropriate time, on an appropriate channel, and on a carrier, effectively avoiding the occurrence of unsuccessful or untimely transmission of UCI information.
  • the receiving module 1040 is further configured to: when the terminal periodically reports the CQI/RI information, detecting an authorization status of the downlink control information DCI0 of the terminal: when only the DCI0 is The uplink grant of the primary carrier, the CQI/RI information of the primary carrier and the secondary carrier is received on a physical uplink shared channel of the primary carrier; when the DCI0 has the primary carrier and the primary carrier And determining, by the uplink grant of the secondary carrier, the carrier corresponding to the CQI/RI information, and receiving the CQI/RI information on a physical uplink shared channel of the carrier corresponding to the CQI/RI information.
  • the receiving module 1040 of this embodiment is further configured to report the terminal periodically on the terminal.
  • the CQI/RI information is described, the CQI request is obtained from the downlink control information DCI sent by the base station, and the CQI/RI of the cell indicated by the CQI request is transmitted on the physical uplink shared channel of the carrier corresponding to the CQI request. information.
  • the terminal According to the uplink control information transmission method, the terminal, and the base station provided by the above embodiments:
  • the transmission technology of the uplink control information UCI in the uplink and downlink carrier aggregation, the CQI/RI report configuration information of the primary carrier and the secondary carrier can be obtained through the RRC connection reconfiguration message, and the UE determines the reported UCI information according to the configuration information.
  • the subframes k1 and k2 when transmitting the UCI information, the UE may select the PUCCH of the primary carrier to transmit the ACK/NAK information of the primary and secondary carriers, select the CQI/RI information of the primary carrier's PUSCH transmission primary carrier, and select the PUSCH transmission of the secondary carrier. CQI/RI information of the secondary carrier.
  • the UE may select the PUSCH of the carrier indicated by the carrier index in the LTE PUCCH CSF information of the UE side to perform the CQI of the carrier periodically. Reporting of information.
  • the UE selects the PUSCH of the carrier indicated by the CQI Request in the DCI information to transmit the aperiodic CQI information of the carrier.
  • the base station determines the periodic UCI information reception on the PUSCH of the uplink carrier. It is determined that, if the base station sends an uplink grant to the UE and the cell index indication is included in the subframe corresponding to the time, the base station performs periodic CQI information reception on the PUSCH of the carrier indicated by the cell index.
  • this embodiment proposes two methods for receiving the acyclic CQI information:
  • the base station presses the CQI Request indication sent to the UE, finds the cell index of the corresponding carrier from the RRC connection reconfiguration message, and determines the carrier indicated by the cell index as the carrier to which the PUSCH receiving the CQI information belongs;
  • the base station determines the cell index indication in the DCI message to be sent to the UE (that is, before the DCI message is sent), and if the cell index and the CQI Request indicate different carriers, the cell index is modified on the UE side.
  • the cell index and the CQI Request are indicated to be the same carrier, and the carrier is determined to be the carrier to which the PUSCH receiving the aperiodic CQI information belongs.
  • the periodic CQI information of all the carriers is reported by the PUSCH multiplexing of the primary carrier, and the PUSCH resources of the primary carrier are additionally occupied.
  • the more the number of the secondary carriers the more the PUSCH resources of the primary carrier are used to report the UCI information of the secondary carrier, resulting in loss of the primary carrier resources.
  • the resource allocation of the uplink service is affected.
  • a cell can also serve as a secondary carrier of other UEs. The more the number of UEs using the cell as the secondary carrier, the fewer resources that the uplink services of these UE secondary carriers can allocate.
  • the resource allocation in the case where one cell is used as the primary carrier and the secondary carrier is used.
  • the primary carrier cell is used as the resource for reporting the UCI information
  • the primary carrier cell is used as the secondary carrier of the other UE. .
  • a cell can be used as a primary carrier or a secondary carrier.
  • a cell may have multiple UEs accessing at the same time.
  • the following three scenarios and three UEs are used as an example to describe such a complex scenario.
  • the UE determines the transmission.
  • the procedure of the carrier where the PUSCH of the UCI information is located is as follows:
  • UE1, UE2, and UE3 are three UEs, cell1, cell2, and cell3.
  • UE1 uses cell1 as the primary carrier and cell2 as the secondary carrier.
  • UE2 uses cell2 as the primary carrier and cell3 as the secondary carrier.
  • UE3 uses cell3 as the secondary carrier.
  • the primary carrier, cell1 is a secondary carrier, and the three cells serve as both a primary carrier and a secondary carrier, and each cell has more than one UE at a time.
  • the first step is to configure cell1 and cell2, cell2 and cell3, cell3, and cell1 as the uplink and downlink coordination of the CA, and configure the maximum number of secondary carriers to be 1, and the scenario of three carriers and more carriers needs to be re-deployed.
  • the second step in the RRC reconfiguration of the initial access of the UE1, the base station sends the CQI/RI report configuration information of the cell1, and in the RRC reconfiguration of the secondary carrier, the base station sends the CQI/RI report configuration information of the cell2;
  • the CQI/RI reporting configuration information of the cell 2 is sent by the base station in the initial RRC reconfiguration of the UE2, and the CQI/RI reporting configuration information of the cell3 is sent in the RRC reconfiguration of the secondary carrier; the RRC reconfiguration of the initial access in the UE3 is performed.
  • the CQI/RI reporting configuration of the cell 3 is performed by the eNB, and the configuration information of the CQI/RI is reported by the CQI/RI of the same UE in the RRC reconfiguration of the secondary carrier.
  • the configuration information of the CQI/RI reported by the same UE on different carriers may be the same or different. .
  • the third step the three UEs access the cell according to the deployment in the second step and add the corresponding secondary carrier, and the base station performs uplink and downlink service processing for each UE, so that all the uplink and downlink primary carriers and the secondary carrier are activated;
  • Step 4 Perform CQI/RI information reporting.
  • the process is as follows:
  • the UE1 performs the reporting of the periodic CQI information of the cell 1 on the PUSCH of the cell 1, and performs the reporting of the periodic CQI information of the cell 2 on the PUSCH of the cell 2; the UE 2 reports the periodic CQI information of the cell 2 on the PUSCH of the cell 2, The periodic CQI information of the cell 3 is reported on the PUSCH of the cell 3. The UE 3 reports the periodic CQI information of the cell 3 on the PUSCH of the cell 3. The periodic CQI information of the cell 1 is reported on the PUSCH of the cell 1.
  • UE1 performs reporting of aperiodic CQI information of cell1 on the PUSCH of cell1, and performs reporting of aperiodic CQI information of cell2 on the PUSCH of cell2; UE2 performs aperiodic CQI information of cell2 on the PUSCH of cell2.
  • the reporting of the aperiodic CQI information of the cell 3 is performed on the PUSCH of the cell 3; the UE 3 reports the aperiodic CQI information of the cell 3 on the PUSCH of the cell 3, and the aperiodic cell 1 is performed on the PUSCH of the cell 1. Reporting of CQI information.
  • the base station needs to determine which uplink carrier's PUSCH to receive UCI information on:
  • the UE can perform uplink data transmission on the PUSCH channel of the authorized carrier after receiving 4 subframes of the DCI0 uplink grant.
  • FDD Frequency Division Duplexing
  • the first step is: after the UE1 access is completed, the base station can obtain the reporting period of the CQI/RI information of the cell1 and the cell2 according to the RRC reconfiguration message, and calculate the corresponding reporting subframe, if there is an uplink in the reporting subframe of the CQI information. Data, the base station detects the report information corresponding to the CQI information on the PUSCH. And determining CQI information on the PUSCH of cell1 or cell2 according to the Cell Index indication in the uplink grant in DCI0.
  • the second step after the UE2 access is completed, the base station learns from the RRC reconfiguration message that the reporting period of the CQI information corresponding to the cell 2 and the cell 3 is calculated and the corresponding reporting subframe is calculated.
  • the base station In the case that the uplink carrier is activated, the base station is in the PUSCH.
  • the report information corresponding to the CQI information is detected. And determining whether to receive CQI information on the PUSCH of cell2 or cell3 according to the Cell Index indication in the uplink grant in DCI0.
  • the third step after the UE3 access is completed, the base station learns from the RRC reconfiguration message that the reporting period of the CQI information corresponding to the cell3 and the cell1 is calculated and the corresponding reporting subframe is calculated.
  • the base station In the case of the uplink carrier activation, the base station is in the PUSCH. Detecting the reported information of the CQI. And determining whether to receive CQI information on the PUSCH of cell3 or cell1 according to the Cell Index indication in the uplink grant in DCI0.
  • the base station For the primary carrier and the secondary carrier of each UE, the base station indicates that the current UE transmits CQI/RI information on one carrier, and the base station performs aperiodic reception of CQI/RI information on the PUSCH of the carrier.
  • the embodiment further provides a computer readable storage medium storing computer executable instructions for performing any of the above methods.
  • FIG. 11 is a schematic diagram of a hardware structure of a terminal according to an embodiment. As shown in FIG. 11, the terminal may include: one or more processors 1110 and a memory 1120. In Fig. 11, a processor 1110 is taken as an example.
  • the terminal may further include: an input device 1130 and an output device 1140.
  • the processor 1110, the memory 1120, the input device 1130, and the output device 1140 in the terminal may be connected by a bus or other means, and the bus connection is taken as an example in FIG.
  • the input device 1130 can receive input digital or character information
  • the output device 1140 can include a display device such as a display screen.
  • the memory 1120 is a computer readable storage medium that can be used to store software programs, computer executable programs, and modules.
  • the processor 1110 runs the software program stored in the memory 1120, The instructions and the modules, thereby performing various functional applications and data processing, to implement any of the above embodiments.
  • the memory 1120 may include a storage program area and an storage data area, wherein the storage program area may store an operating system, an application required for at least one function; the storage data area may store data created according to usage of the terminal, and the like.
  • the memory may include volatile memory such as random access memory (RAM), and may also include non-volatile memory such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device.
  • Memory 1120 can be a non-transitory computer storage medium or a transitory computer storage medium.
  • the non-transitory computer storage medium such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • memory 1120 can optionally include memory remotely located relative to processor 1110, which can be connected to the terminal over a network. Examples of the above networks may include the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
  • Input device 1130 can be used to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the terminal.
  • the output device 1140 may include a display device such as a display screen.
  • the terminal of this embodiment may further include a communication device 1150 that transmits and/or receives information over a communication network.
  • a person skilled in the art can understand that all or part of the process of implementing the above embodiment method can be completed by executing related hardware by a computer program, and the program can be stored in a non-transitory computer readable storage medium.
  • the program when executed, may include the flow of an embodiment of the method as described above, wherein the non-transitory computer readable storage medium may be a magnetic disk, an optical disk, a read only memory (ROM), or a random access memory (RAM). Wait.
  • FIG. 12 is a schematic structural diagram of a hardware structure of a base station according to an embodiment. As shown in FIG. 12, the base station includes: a processor 1210 and a memory 1220. Communications Interface 1230 and bus 1240.
  • the processor 1210, the memory 1220, and the communication interface 1230 can complete communication with each other through the bus 1240.
  • Communication interface 1230 can be used for information transfer.
  • the processor 1210 can invoke logic instructions in the memory 1220 to perform any of the methods of the above-described embodiments.
  • the memory 1220 may include a storage program area and a storage data area, and the storage program area may store an operating system and an application required for at least one function.
  • the storage data area can store data and the like created according to the use of the base station.
  • the memory may include, for example, a volatile memory of a random access memory, and may also include a non-volatile memory. For example, at least one disk storage device, flash memory device, or other non-transitory solid state storage device.
  • the logic instructions in the memory 1220 described above can be implemented in the form of software functional units and sold or used as separate products, the logic instructions can be stored in a computer readable storage medium.
  • the technical solution of the present disclosure may be embodied in the form of a computer software product, which may be stored in a storage medium, and includes a plurality of instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) All or part of the steps of the method described in this embodiment are performed.
  • the storage medium may be a non-transitory storage medium or a transitory storage medium.
  • the non-transitory storage medium may include: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. medium.
  • All or part of the processes in the foregoing embodiment may be completed by a computer program indicating related hardware, and the program may be stored in a non-transitory computer readable storage medium, and when the program is executed, may include the above The flow of an embodiment of the method.
  • the present disclosure provides an uplink control information transmission method, a terminal, and a base station, and performs channel calculation based on configuration information of CQI/RI information of a primary carrier and a secondary carrier, which can be performed on a channel and a carrier with better matching, and can be performed in a timely and effective manner.
  • the transmission of UCI information ensures the stability of UCI information transmission, and effectively avoids the occurrence of unsuccessful or unsuccessful transmission of UCI information.

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

Abstract

L'invention concerne un procédé de transmission d'informations de commande de liaison montante (UCI, "uplink control information"), un terminal et une station de base. Le procédé consiste à : rapporter des informations de configuration selon un premier indicateur de qualité de canal (CQI, "channel quality indicator") et un indicateur de rang (RI, "rank indicator") d'une première cellule, rapporter des informations de configuration selon un second CQI/RI d'une seconde cellule, déterminer s'il faut rapporter périodiquement des informations CQI/RI de la première cellule et des informations CQI/RI de la seconde cellule, et calculer une première sous-trame pour rapporter les informations CQI/RI de la première cellule et une seconde sous-trame pour rapporter les informations CQI/RI de la seconde cellule ; calculer les informations CQI/RI, les informations CQI/RI comprenant les informations CQI/RI de la première cellule ou les informations CQI/RI de la seconde cellule ; lorsque le résultat de détermination indique qu'il faut rapporter périodiquement les informations CQI/RI, déterminer, selon un indice de porteuse obtenu et un état d'autorisation de liaison montante d'informations de commande de liaison descendante (DCI, "downlink control information"), une cellule pour transmettre les informations CQI/RI et un canal correspondant à la cellule ; et envoyer des UCI comprenant les informations CQI/RI à une station de base selon la sous-trame correspondant aux informations CQI/RI, la cellule pour transmettre les informations CQI/RI, et le canal correspondant à la cellule.
PCT/CN2017/103351 2016-09-27 2017-09-26 Procédé de transmission d'informations de commande de liaison montante, terminal et station de base Ceased WO2018059378A1 (fr)

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CN113014364B (zh) * 2019-12-20 2022-06-28 中国电信股份有限公司 上行数据传输方法、系统和相关设备
CN116094674A (zh) * 2021-11-05 2023-05-09 中兴通讯股份有限公司 一种载波聚合方法、装置及电子设备

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