WO2015113256A1 - Procédé, dispositif et système de transmission de canal de commande de liaison montante - Google Patents

Procédé, dispositif et système de transmission de canal de commande de liaison montante Download PDF

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Publication number
WO2015113256A1
WO2015113256A1 PCT/CN2014/071770 CN2014071770W WO2015113256A1 WO 2015113256 A1 WO2015113256 A1 WO 2015113256A1 CN 2014071770 W CN2014071770 W CN 2014071770W WO 2015113256 A1 WO2015113256 A1 WO 2015113256A1
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WO
WIPO (PCT)
Prior art keywords
pucch
downlink
carrier
harq
downlink data
Prior art date
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PCT/CN2014/071770
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English (en)
Chinese (zh)
Inventor
闫志宇
曲秉玉
Original Assignee
华为技术有限公司
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2014/071770 priority Critical patent/WO2015113256A1/fr
Priority to CN201480029178.7A priority patent/CN105230095B/zh
Publication of WO2015113256A1 publication Critical patent/WO2015113256A1/fr

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Classifications

    • 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
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management

Definitions

  • the embodiments of the present invention relate to communication technologies, and in particular, to an uplink control channel transmission method, apparatus, and system. Background technique
  • LTE Long Term Evolution
  • UE user equipment
  • PDSCH Physical Downlink Shared Channel
  • HARQ Hybrid Automatic Repeat Request
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • the acknowledgement (Acknowledgment, ACK for short) and the negative acknowledgement (NACK) are respectively corresponding to whether the downlink data carried on the PDSCH is correctly received (ACK) or not correctly received (NACK) on the UE side. .
  • carrier aggregation is introduced in the LTE-Advanced Evolution and Enhancement System (LTE-A).
  • LTE-A LTE-Advanced Evolution and Enhancement System
  • the technology aggregates the spectrums of two or more Component Carriers (CCs) together to obtain a wider transmission bandwidth.
  • CCs Component Carriers
  • the existing CA technology (Evolved Node B, eNodeB for short) configures a primary cell (Primary Cell, PCell for short) and a secondary cell (SCell) for the UE.
  • the UE uses the HARQ-ACK information carried on the PUCCH for all services.
  • the downlink data carried on the PDSCH transmitted in the downlink subframe of the serving cell (including the PCell and the SCell) is fed back, and the HARQ-ACK information is transmitted only on the uplink carrier of the PCell.
  • a large number of UEs can select the uplink carrier of the PCell to perform HARQ-ACK feedback, so that the uplink carrier of the PCell transmits the PUCCH.
  • the load is too heavy, especially when the PCell's uplink carrier When the number of carriers is small and the carrier bandwidth is small, the uplink carrier of the PCell may not be able to carry the uplink data transmission of the PUSCH channel.
  • the embodiment of the invention provides a method, a device and a system for transmitting an uplink control channel, so as to solve the problem that the UE only feeds the HARQ-ACK information on the PUCCH of the PCell, causing the uplink of the PCell to be overloaded.
  • An embodiment of the present invention provides an uplink control channel transmission method, including:
  • the first uplink carrier Determining, by the first uplink carrier, the first uplink carrier and the second uplink carrier, where the first uplink carrier corresponds to the first uplink carrier and the second uplink carrier, where the second uplink carrier is used to send the hybrid automatic repeat request (HARQ-ACK) Corresponding to the second cell;
  • HARQ-ACK hybrid automatic repeat request
  • the downlink carrier includes a first downlink carrier that belongs to the first cell and/or a second downlink carrier that belongs to the second cell, and/or at least one downlink carrier that belongs to another cell.
  • the downlink data is a first type of downlink data or a second type of downlink data
  • the first type of downlink data is a physical downlink shared data channel PDSCH scheduled by a physical downlink control channel PDCCH or a PDCCH for releasing a downlink semi-persistent scheduling SPS.
  • the second type of downlink data is a PDSCH without PDCCH scheduling;
  • , include:
  • the format of the PUCCH that sends the HARQ-ACK feedback information is a first format, where the first format is a PUCCH format 3 ;
  • the format of the PUCCH is a second format, and the second format is a PUCCH format la or a PUCCH format lb.
  • the embodiment of the present invention provides an uplink control channel transmission method, including: configuring, for a user equipment UE, a physical medium that sends a hybrid automatic repeat request HARQ-ACK feedback information. a first uplink carrier and a second uplink carrier of the uplink control channel PUCCH, where the first uplink carrier corresponds to the first cell, and the second uplink carrier corresponds to the second cell;
  • the downlink carrier includes a first downlink carrier that belongs to the first cell, and/or belongs to a second downlink carrier of the second cell and/or at least one downlink carrier belonging to another cell, where the downlink data is a first type of downlink data or a second type of downlink data, and the first type of downlink data is a physical downlink control channel a PDCCH scheduled physical downlink shared data channel PDSCH or a PDCCH that releases a downlink semi-persistent scheduling SPS, and the second type of downlink data is a PDSCH without PDCCH scheduling;
  • an embodiment of the present invention provides a user equipment UE, including:
  • a carrier determining module configured to determine a first uplink carrier and a second uplink carrier of a physical uplink control channel PUCCH that can be used to send the hybrid automatic repeat request HARQ-ACK feedback information, where the first uplink carrier corresponds to the first cell, The second uplink carrier corresponds to the second cell, and the detecting module is configured to detect downlink data to obtain a detection result on the downlink carrier, where the downlink carrier includes a first downlink carrier that belongs to the first cell and/or belongs to the second cell.
  • the downlink data is a first type of downlink data or a second type of downlink data
  • the first type of downlink data is a physics scheduled by a physical downlink control channel PDCCH.
  • PDCCH physical downlink control channel
  • PDSCH downlink shared data channel
  • PDCCH PDCCH that releases a downlink semi-persistent scheduling SPS
  • the second type of downlink data is a PDSCH without PDCCH scheduling
  • a resource determining module configured to determine, according to the detection result, a format of the PUCCH that sends the HARQ-ACK feedback information, and a resource index of a PUCCH;
  • the resource determining module is specifically configured to: if the downlink data is detected on the at least one downlink carrier that belongs to another cell, determine that the format of the PUCCH that sends the HARQ-ACK feedback information is a first format,
  • the first format is PUCCH format format 3;
  • an embodiment of the present invention provides a network device, including:
  • a carrier configuration module configured to configure, for the user equipment UE, a first uplink carrier and a second uplink carrier of a physical uplink control channel PUCCH that sends the hybrid automatic repeat request HARQ-ACK feedback information, where the first uplink carrier corresponds to the first a cell, where the second uplink carrier corresponds to the second cell;
  • a sending determining module configured to send downlink data to the UE by using a downlink carrier, and determine, by the UE, the PUCCH resource that is used by the UE to send the HARQ-ACK feedback information, where the downlink carrier includes a first downlink that belongs to the first cell.
  • the downlink data is the first type of downlink data or the second type of downlink data, and the first type of downlink data
  • a detecting module configured to detect, according to the determined PUCCH resource, the HARQ-ACK feedback information sent by the UE on an uplink carrier.
  • an embodiment of the present invention provides a user equipment UE, including:
  • a processor configured to determine a first uplink carrier and a second uplink carrier of a physical uplink control channel PUCCH that can be used to send the hybrid automatic repeat request HARQ-ACK feedback information, where the first uplink carrier corresponds to the first cell, where The second uplink carrier corresponds to the second cell, and the downlink data is detected on the downlink carrier, where the downlink carrier includes a first downlink carrier belonging to the first cell and/or a second downlink carrier belonging to the second cell and/or Or at least one downlink carrier belonging to another cell, the downlink data is a first type of downlink data or a second type of downlink data, and the first type of downlink data is a physical downlink shared data channel PDSCH scheduled by a physical downlink control channel PDCCH or And releasing the PDCCH of the downlink semi-persistent scheduling SPS, where the second type of downlink data is a PDSCH without PDCCH scheduling; determining, according to the detection result, a format of the PUCCH that sends the HARQ
  • the processor is specifically configured to: if the downlink data is detected on the at least one downlink carrier that belongs to another cell, determine that the format of the PUCCH that sends the HARQ-ACK feedback information is a first format, where The first format is the PUCCH format format 3; if the downlink data is detected only on the first downlink carrier of the first cell and/or the second downlink carrier of the second cell, Determining the PUCCH that sends the HARQ-ACK feedback information
  • the format is the second format, and the second format is PUCCH format la or PUCCH format lb o
  • an embodiment of the present invention provides a network device, including:
  • a processor configured to configure, for the user equipment UE, a first uplink carrier and a second uplink carrier of a physical uplink control channel PUCCH that sends the hybrid automatic repeat request HARQ-ACK feedback information, where the first uplink carrier corresponds to the first cell
  • the second uplink carrier corresponds to the second cell
  • the transmitter is configured to send downlink data to the UE by using a downlink carrier, where the downlink carrier includes a first downlink carrier that belongs to the first cell and/or belongs to the second cell.
  • the second downlink carrier and/or the at least one downlink carrier belonging to the other cell, the downlink data is the first type of downlink data or the second type of downlink data, and the first type of downlink data is scheduled by the physical downlink control channel PDCCH.
  • Physical downlink shared data channel PDSCH or PDCCH that releases downlink semi-persistent scheduling SPS, and the second type of downlink data is PDSCH without PDCCH scheduling;
  • the processor is further configured to: determine, by the UE, the PUCCH resource that is used by the UE to send the HARQ-ACK feedback information, and detect, according to the determined PUCCH resource, the HARQ-ACK sent by the UE on an uplink carrier. Feedback.
  • an embodiment of the present invention provides an uplink control channel transmission system, including: a user equipment UE and a network device, where the UE adopts the UE in the third aspect, and the network device adopts the network in the fourth aspect. device.
  • the embodiment of the present invention provides an uplink control channel transmission system, including: a user equipment UE and a network equipment, where the UE adopts the UE according to the fifth aspect, and the network equipment uses the network described in the sixth aspect. device.
  • the uplink control channel transmission method, device, and system by transmitting HARQ-ACK feedback information on the first uplink carrier and/or the second uplink carrier by the UE, feedback on downlink data of multiple cells, and reducing uplink
  • the carrier load dynamically determines the transmission format and resources of the PUCCH through the eNodeB's downlink data scheduling in each Cell. This mechanism can reasonably allocate the transmission resources of the PUCCH format 3 channel and improve the system communication performance.
  • Embodiment 1 is a flowchart of Embodiment 1 of an uplink control channel transmission method according to the present invention
  • Embodiment 2 is a flowchart of Embodiment 2 of an uplink control channel transmission method according to the present invention
  • Embodiment 3 is a flowchart of Embodiment 3 of an uplink control channel transmission method according to the present invention.
  • Embodiment 4 is a flowchart of Embodiment 4 of an uplink control channel transmission method according to the present invention.
  • Embodiment 5 is a flowchart of Embodiment 5 of an uplink control channel transmission method according to the present invention.
  • Embodiment 6 is a flowchart of Embodiment 6 of an uplink control channel transmission method according to the present invention.
  • Embodiment 7 is a flowchart of Embodiment 7 of an uplink control channel transmission method according to the present invention.
  • Embodiment 8 is a schematic structural diagram of Embodiment 1 of a UE according to the present invention.
  • Embodiment 9 is a schematic structural diagram of Embodiment 2 of a UE according to the present invention.
  • Embodiment 1 of a network device according to the present invention.
  • FIG. 11 is a schematic structural diagram of Embodiment 2 of a network device according to the present invention.
  • FIG. 12 is a schematic structural diagram of Embodiment 3 of a UE according to the present invention.
  • FIG. 13 is a schematic structural diagram of Embodiment 4 of a UE according to the present invention.
  • FIG. 14 is a schematic structural diagram of Embodiment 3 of a network device according to the present invention.
  • FIG. 15 is a schematic structural diagram of an embodiment of an uplink control channel transmission system according to the present invention. detailed description
  • the UE sends on the uplink carrier of the Pcell.
  • the power control command words transmitted by the PUCCH and PUCCH channels are all from the information of the TPC command field of the PUCCH in the PDCCH on the Pcell.
  • the power control message carried in the TPC command word of the PUCCH of the network device does not distinguish whether the UE transmits the PUCCH in the format la/lb or PUCCH format 3.
  • the UE adjusts the PUCCH transmission power according to different transmission formats when using the TPC command word. Reflects a certain transmission power deviation.
  • the PUCCH channel may also be transmitted on the other one or more Scells other than the Pcell, that is, the PUCCH channel is carried on the Scell, and the Cell that can carry the PUCCH channel except the Pcell is called PUCCH- Scell.
  • the UE detects the PDSCH transmission only on the downlink carrier of the Pcell, the UE uses the PUCCH format la/lb to reply the HARQ-ACK, the PUCCH format la/lb transmission resource and the scheduling PDSCH.
  • the PDCCH resource location corresponds to the SPS feedback resource configured on the Pcell.
  • the UE uses the PUCCH format 3 to feed back the HARQ-ACK, PUCCH format 3
  • the resource is indicated by the eNodeB through the information of the TPC command field of the PDCCH of the Scell, and may be on the uplink carrier of the PUCCH-Scell, so as to achieve the purpose of offloading the PUCCH load in the Pcell.
  • the power control command words of the PUCCH channel of the PUCCH format la/lb and the PUCCH channel of the PUCCH format 3 are all from the TPC command field in the PDCCH on the Pcell, if the eNodeB is in the downlink of the Pcell and other cells other than the Pcell The downlink data is transmitted on the carrier for the UE. However, after the UE arrives, the UE does not detect the data on the downlink carrier of the other cell except the Pcell. In this case, the UE may mistake the eNodeB for the downlink carrier only on the Pcell. There is data transmission and PUCCH format la/lb feedback HARQ-ACK is used on the uplink carrier of the Pcell.
  • the TPC command field of the PUCCH in the PDCCH of the Pcell (including the PDCCH for scheduling the PDSCH or the PDCCH carrying the downlink control information (DCI) format 3/3A) is originally used to adjust the PUCCH on the PUCCH-Scell.
  • the transmit power of the UE uses the power control message to adjust the transmit power of the PUCCH channel of the PUCCH format la/lb on the Pcell, which results in the wrong control of the PUCCH transmit power.
  • the technical solution of the present invention is that the UE can transmit the PUCCH channel on other uplink carriers except the Pcell, and dynamically determine the transmission format and the resource index of the PUCCH by using the scheduling condition of the downlink data of each of the eNodeBs, and separately determine the transmission format and the resource index of the PUCCH. Control the transmit power of the PUCCH on the uplink carrier of the cell in which the cell is located.
  • the mechanism can reasonably allocate the transmission resources of the PUCCH channel, solve the problem of PUCCH power control error, and solve the problem that the uplink carrier PUCCH of the Pcell is overloaded, and at the same time ensure the performance of the PUCCH channel transmission.
  • FIG. 1 is a flowchart of Embodiment 1 of an uplink control channel transmission method according to the present invention.
  • the method in this embodiment may include: Step 101: Determine a first uplink carrier and a second uplink carrier of a physical uplink control channel PUCCH that can be used to send hybrid automatic repeat request HARQ-ACK feedback information.
  • the execution body of this embodiment may be a UE.
  • the first uplink carrier corresponds to the first cell
  • the second uplink carrier corresponds to the second cell
  • the UE determines which is the first uplink carrier, where is the second uplink carrier, and the first cell corresponding to the first uplink carrier
  • the second cell corresponding to the second uplink carrier can accurately acquire the PUCCH resource that sends the HARQ-ACK feedback information in subsequent operations.
  • Step 102 Detect downlink data on a downlink carrier to obtain a detection result.
  • the downlink carrier includes a first downlink carrier that belongs to the first cell, and/or a second downlink carrier that belongs to the second cell, and/or at least one downlink carrier that belongs to another cell, where the downlink data is
  • the downlink data of the first type is the physical downlink shared data channel PDSCH scheduled by the physical downlink control channel PDCCH or the PDCCH releasing the downlink semi-persistent scheduling SPS, and the second type of downlink data.
  • the UE detects the detection result obtained by the downlink data on the downlink carrier, whether the UE detects whether the downlink data transmission and/or the detected downlink data transmission are detected on the downlink carrier. The transmission is correct.
  • the eNodeB configures the PCell and the SCell for the UE.
  • the UE transmits the downlink subframes of all the SCs (including the PCell and the SCell) through the HARQ-ACK information carried on the PUCCH.
  • the downlink data carried on the PDSCH is fed back.
  • downlink data is carried on multiple downlink carriers in one subframe, and the UE only feeds back HARQ-ACK information on the PUCCH of the PCell, and two new 3GPP protocols are added.
  • PUCCH format to support carrier aggregation One is PUCCH format lb with channel selection: Use 2-bit HARQ-ACK information carried by PUCCH format lb, and then determine HARQ by channel selection - PUCCH resource of ACK information, this format only supports scenarios of no more than 4 bits of HARQ-ACK information and no more than 2 SCs; another is PUCCH format 3: can support up to 5 SCs and UEs in each SC In the scenario of Multiple-Input Multiple-Output (MIMO), PUCCH format 3 can also support two SC scenarios, specifically PUCCH format 3 or PUCCH format lb wi. The th channel selection depends on the configuration of the eNodeB.
  • MIMO Multiple-Input Multiple-Output
  • the UE detects downlink data sent by the network device on the downlink carrier.
  • the data sent by the network device may be sent from the first downlink carrier of the first cell, or may be second.
  • the second downlink carrier of the cell may be sent on the downlink carrier of the other cell, where other cells refer to cells other than the first cell and the second cell, because the UE does not determine that the downlink data specifically passes. Which downlink carrier is transmitted, so the UE needs to perform detection on each downlink carrier to prevent data loss.
  • the UE detects that the downlink data sent by the network device is divided into two types on the downlink carrier, and the first type is a PDSCH with a physical downlink control channel (PDCCH) scheduling or a downlink semi-static scheduling (Semi Persistent Schedulingv).
  • the PDCCH of the abbreviated SPS the former can be considered as a dynamic scheduling state, each time the network device sends the downlink data, the resource information of the PDSCH is carried on the PDCCH of the downlink carrier, and the latter network device sends the downlink information to the UE when the downlink SPS is activated.
  • a PDCCH informing the UE that the network device periodically transmits the PDSCH on a fixed resource in a subsequent period of time, and then the network device sends a PDCCH to the UE when the downlink SPS is released, and the UE is notified that the downlink SPS scheduling mode ends.
  • the UE needs to feed back the reception result, that is, the HARQ-ACK feedback information.
  • the other type is the PDSCH without PDCCH scheduling.
  • SPS scheduling the network device has pre-allocated PDSCH resources when activating the downlink SPS, because During the subsequent period of time, the network device periodically uses the same resource to send downlink data. At this time, the UE also detects downlink data at a fixed location, and the PDSCH in this process does not need to be additionally scheduled through the PDCCH. The UE also feeds back the HARQ-ACK information to the network device.
  • Step 103 Determine, according to the detection result, a format of the PUCCH that sends the HARQ-ACK feedback information, and a resource index of the PUCCH.
  • the UE detects downlink data on the downlink carrier, that is, the UE may detect downlink data on the downlink carrier of other cells, or only detects on the first downlink carrier and/or the second downlink carrier. Downstream data.
  • the UE determines the format and resource index of the PUCCH for transmitting the HARQ-ACK feedback information, where the uplink carrier carrying the PUCCH includes the first uplink carrier belonging to the first cell and/or belongs to the second
  • the second uplink carrier of the cell that is, after receiving the downlink data on the downlink carrier of the first cell, the second cell, and/or other cells, the UE may have two uplinks for transmitting HARQ-ACK feedback information.
  • the first uplink carrier of the first cell and the second uplink carrier of the second cell, and the corresponding PUCCH format and resource index may be determined on the two uplink carriers, so that the HARQ-ACK feedback is carried on the PUCCH resource. information.
  • the UE sends the HARQ-ACK feedback information on the first uplink carrier and/or the second uplink carrier, so as to feedback the downlink data of multiple cells, and reduce the load of the uplink carrier, and the eNodeB is downlinked in each cell.
  • the data scheduling situation and the indication dynamically determine the transmission format and resources of the PUCCH, and the transmission resource of the PUCCH format 3 channel can be reasonably allocated by using the mechanism, thereby improving the communication performance of the system.
  • the step 103 of the foregoing method embodiment determines, according to the detection result, the format of the PUCCH that sends the HARQ-ACK feedback information, and the resource of the PUCCH.
  • the specific implementation method may be: And determining, by the at least one downlink carrier that belongs to another cell, the downlink data, determining that the format of the PUCCH that sends the HARQ-ACK feedback information is a first format, where the first format is a PUCCH format format 3; And detecting the downlink data on the first downlink carrier of the first cell and/or the second downlink carrier of the second cell, determining to send the HARQ-ACK feedback information.
  • the format of the PUCCH is the second format, and the second format is the PUCCH format format la or format lb.
  • the PUCCH that sends the HARQ-ACK feedback information will be sent regardless of whether downlink data is detected on the first downlink carrier and the second downlink carrier.
  • the format is determined to be PUCCH format 3; if the UE detects the downlink data only on the first downlink carrier of the first cell and/or the second downlink carrier of the second cell, the UE will send the HARQ-ACK feedback information.
  • the format of the PUCCH is determined to be PUCCH format la or PUCCH format lb. This is the principle that the UE needs to follow when determining the format of the PUCCH. This is also a pre-agreed agreement between the UE and the network device.
  • the method further includes receiving resource configuration information, and determining, according to the resource configuration information, that the HARQ-ACK feedback information is sent by using the PUCCH format 3. Specifically, after receiving the resource configuration information configured by the network device, the UE can learn whether the network device configures the PUCCH format 3 resource according to the resource configuration information, and whether the PUCCH format can be used when transmitting the HARQ-ACK feedback information. 3 format.
  • Embodiment 2 is a flowchart of Embodiment 2 of an uplink control channel transmission method according to the present invention. As shown in FIG. 2, the method in this embodiment may include:
  • Step 201 Detect downlink data on at least one downlink carrier that belongs to another cell.
  • the execution entity of this embodiment is a UE.
  • the UE detects the downlink data sent by the network device on the downlink carrier that belongs to the other cell, and does not limit whether the UE detects the data on the first downlink carrier and the second downlink carrier.
  • At least one downlink carrier that belongs to another cell indicates that the downlink data detected by the UE may be a downlink carrier of another cell, or may be a downlink carrier of other multiple cells, which is not specifically limited herein.
  • Step 202 Determine, according to the downlink carrier and the downlink data of the detected downlink data, the format of the PUCCH that sends the HARQ-ACK feedback information and the resource index of the PUCCH.
  • the UE detects the downlink data on the downlink carrier of the other cell, where the downlink data generally refers to the PDSCH scheduled by the PDCCH.
  • the UE determines that the format of the PUCCH that sends the HARQ-ACK feedback information is The PUCCH format 3, the first solution includes: determining, according to the PUCCH format 3 resource pre-configured by the network device, all of the first cell and the second cell that are available to send the HARQ-ACK feedback information a PUCCH format 3 resource; acquiring and transmitting the HARQ according to information of a Transmission Power Control (TPC) command field in the PDCCH of the PDSCH detected by the at least one downlink carrier that belongs to another cell - Resource index of the PUCCH of the ACK feedback information.
  • TPC Transmission Power Control
  • the network device configures at least two available PUCCH format 3 resources for the UE in advance, and the UE determines the available resource indexes of the PUCCHs according to the configuration information of the network devices, and then according to the scheduling detected on the downlink carriers of other cells.
  • the information in the PDCCH of the PDSCH determines the resource index of the PUCCH.
  • the information is specifically the information of the TPC command field in the PDCCH.
  • the field is a multiplexing field, which can be used as uplink power control information or as resource index information in the PUCCH.
  • the field is used as the resource indication, and the PUCCH resource corresponding to the resource index of the PUCCH may be the first uplink carrier or the second uplink carrier, and the UE also determines the information according to the TPC command field.
  • the uplink carrier that transmits the PUCCH.
  • the downlink carrier can be used.
  • the detection result of the data is fed back to the network device through the PUCCH resource. It should be noted that if the UE detects downlink data only on the downlink carrier of other cells, only the corresponding bit needs to be in the PUCCH format 3.
  • the UE fills in the detection result of all the downlink carriers in the corresponding The bit is fed back to the network device, so that only one PUCCH resource is needed to carry all the detection results, which reduces the feedback occupation compared with the feedback of the PUCCH format 3 on the first uplink carrier and the second uplink carrier. Resources also improve the performance of PUCCH foramt 3.
  • the UE sends the PUCCH format 3 on the first uplink carrier or the second uplink carrier to feed back the downlink data of the multiple cells, which not only reduces the load of the uplink carrier, but also solves the problem that the UE is only in the PCell in the prior art.
  • the feedback of the HARQ-ACK information on the PUCCH causes the PCell's uplink carrier to be overloaded, and the multiple information is improved by one PUCCH resource feedback.
  • FIG. 3 is a flowchart of Embodiment 3 of a method for transmitting an uplink control channel according to the present invention. As shown in FIG. 3, the method in this embodiment may include:
  • Step 301 Detecting downlink data on the first downlink carrier and the second downlink carrier, and detecting downlink data on downlink carriers belonging to other cells;
  • the execution body of this embodiment is a UE.
  • the detecting, by the UE, the downlink data on the first downlink carrier and the second downlink carrier includes: detecting, on the first downlink carrier, the first type of downlink data that is sent by the network device, where the second downlink carrier is Detecting the first type of downlink data that is sent by the network device, or detecting, on the first downlink carrier, the second type of downlink data that is sent by the network device, and detecting, on the second downlink carrier, The second type of downlink data that is sent by the network device; or the first type of downlink data that is sent by the network device is detected on the first downlink carrier, and the network device is sent to the second downlink carrier.
  • the second type of downlink data is detected on the first downlink carrier, and the second type of downlink data sent by the network device is detected on the first downlink carrier, and the network device sends the detected on the second downlink carrier.
  • the first type of downlink data In addition, the UE does not detect downlink data on the downlink carriers of any other cell.
  • Step 302 Receive scheme configuration information sent by the network device, and determine, according to the scheme configuration information, whether the format of the PUCCH that sends the HARQ-ACK feedback information and the resource index of the PUCCH are determined by using the second scheme.
  • the network according to the situation that the UE detects the downlink data, there may be two methods for determining the format of the PUCCH and the resource index of the PUCCH. This embodiment is one of the methods, and whether the UE adopts the method of the embodiment, the network The device notifies the UE, that is, sends the scenario configuration information to the UE, and then the UE determines, according to the scenario configuration information, which scheme is adopted to determine the format of the PUCCH and the resource index of the PUCCH.
  • step 302 may not be a necessary step, and an implementation method of the present invention is indicated herein, and is not limited to other forms of implementation.
  • Step 303 Determine, according to the downlink carrier and the downlink data of the detected downlink data, the format of the PUCCH that sends the HARQ-ACK feedback information and the resource index of the PUCCH.
  • the UE determines, by using the second scheme, the format of the PUCCH that sends the HARQ-ACK feedback information, and the resource of the PUCCH.
  • the second solution includes:
  • the method further includes: in the first cell, according to the first The PDCCH in the downlink-like data determines a PUCCH resource that is available to send the HARQ-ACK feedback information on the first uplink carrier, or at least one that is configured on the first uplink carrier according to a network device is available. And the information about the TPC command field in the PDCCH indicating the detection of the downlink SPS and the latest TPC command field in the PDCCH indicating the downlink SPS activation is determined to be used to send the HARQ on the first uplink carrier.
  • the PUCCH resource, or at least one of the second uplink carriers configured according to the network device, may be used to feed back the detection result of the second type of downlink data.
  • PUCCH resources and said latest information indicating the downlink SPS activation PDCCH in the TPC command field is determined on the second uplink carrier may be configured to send the HARQ-ACK The PUCCH resource of the feedback information.
  • the UE may feed back the detection result by using the format of the PUCCH format lb, and the specific format may be PUCCH format lb with channel selection, and then
  • the UE determines, according to the pre-configured channel selection scheme of the network device, which uplink carrier is finally sent the PUCCH format lb, and the content of the channel selection scheme is specified in the 3GPP protocol.
  • Step 1 The UE determines a PUCCH resource that can be used to send HARQ-ACK feedback information according to Table 1 and the foregoing method.
  • Table 1 is a mapping table of TB and HARQ-ACK feedback information, where the PUCCH resource is the first uplink of the first cell.
  • Table 1 is an example, and other forms of tables can be designed according to the same principle.
  • HARQ-ACKG indicates that the TB corresponding to the first cell or the second cell needs to be performed.
  • the HARQ-ACK is fed back. Therefore, according to the maximum number of TB blocks supported by the transmission mode configured in each cell, it is possible to determine how many PUCCH resources are available for transmitting HARQ-ACK feedback information.
  • the first control channel element of the PDCCH of the PDSCH The sequence number of the CCE or the sequence number of the first CCE of the PDCCH that releases the downlink SPS is a parameter corresponding to the carrier configured by the network device; if the UE detects the second type of downlink
  • the UE can acquire PUCCH resources corresponding to the downlink data in the first cell and the second cell. It should be noted that, in the second scheme, the method for the UE to acquire the PUCCH resources corresponding to the downlink data in the first cell and the second cell is not limited to the foregoing method.
  • Step 2 The UE determines the PUCCH resource that finally sends the HARQ-ACK feedback information according to Table 2 - Table 4 and the result of detecting the downlink data.
  • Table 2 shows the channel selection configuration table when A is 2
  • Table 3 shows the channel selection configuration when A is 3.
  • Table, Table 4 is a channel selection configuration table when A is 4.
  • PUCCH format lb in two HARQ-ACK bits may be bits 3 ⁇ 4, (1) fill 1,1, transmitting HARQ-ACK feedback information via the PUCCH resources corresponding to the first cell TB2; if the UE detects the first The TBI and TB2 of the cell and the TBI of the second cell, and the TBI and TB2 of the first cell are correctly verified, and the TBI check of the second cell is incorrect.
  • two of the PUCCH format lbs can be
  • the HARQ-ACK bit is 3 ⁇ 4 , «filled in 1,1, and the first small ⁇ ⁇ 3 ⁇ 4 ⁇ ⁇ IN ⁇ 3 ⁇ 4R small ⁇ ⁇ rrv ⁇ 3 ⁇ 4? ⁇ . ⁇ ⁇ from ⁇ r ⁇ rrv ⁇ 3 ⁇ 4 ?
  • the source cable I has been calculated by the above method.
  • the UE sends the PUCCH format lb on the first uplink carrier or the second uplink carrier by using the channel selection scheme, so as to feedback the downlink data of multiple cells, which not only reduces the load of the uplink carrier, but also solves the UE in the prior art.
  • the feedback of the HARQ-ACK information on the PUCCH of the PCell only causes the uplink load of the PCell to be overloaded, and the multiple downlink information is combined with the HARQ-ACK feedback information to feed back the detection result of the downlink data to the network.
  • the device improves transmission performance.
  • Embodiment 4 is a flowchart of Embodiment 4 of an uplink control channel transmission method according to the present invention. As shown in FIG. 4, the method in this embodiment may include:
  • Step 401 Detect a first type of downlink data on the first downlink carrier.
  • the execution body of this embodiment is a UE.
  • the UE detects the first type of downlink data on the first downlink carrier, that is, the UE detects the PDSCH scheduled by the PDCCH or releases the PDCCH of the downlink half SPS on the first downlink carrier of the first cell, where the two types of data are used.
  • the UE needs to feed back the detection result to the network device.
  • Step 402 Determine, according to the first downlink carrier and the first type of downlink data, a format of a PUCCH that sends HARQ-ACK feedback information, and a resource index of the PUCCH.
  • the UE detects the first type of downlink data, and uses the third scheme to determine the format of the PUCCH that sends the HARQ-ACK feedback information and the resource index of the PUCCH.
  • the third solution includes:
  • the format of the PUCCH that sends the HARQ-ACK feedback information is a third format or a second format, where the third format is a PUCCH format la,
  • the second format is PUCCH format lb;
  • the UE may pass PUCCH format la or PUCCH.
  • the format of the format lb is used to feed back the detection result, and the PUCCH resource used by the UE to feed back the detection result is related to the number of antennas.
  • the resource index of the PUCCH corresponding to the first antenna port is obtained by the formula (1), and the n c CE of this embodiment is obtained.
  • the resource index of the PUCCH corresponding to the second antenna port is obtained by the calculation of equation (2).
  • the UE detects the first type of downlink data on the first downlink carrier, and performs feedback on the PUCCH resource on the first uplink carrier.
  • the UE detects that the network device sends the first type of downlink data on the second downlink carrier, and determines, according to the second downlink carrier and the first type of downlink data, that the HARQ is sent by using the third scheme.
  • the format of the PUCCH of the ACK feedback information, and the resource index of the PUCCH are the format of the PUCCH of the ACK feedback information, and the resource index of the PUCCH.
  • FIG. 5 is a flowchart of Embodiment 5 of the method for transmitting an uplink control channel according to the present invention. As shown in FIG. 5, the method in this embodiment may include:
  • Step 501 A second type of downlink data is detected on the first downlink carrier.
  • the execution body of this embodiment is a UE.
  • the UE detects the second type of downlink data on the first downlink carrier, that is, the PDSCH without the PDCCH scheduling.
  • the PDSCH is the downlink data sent by the downlink SPS scheduling mode, and the network device sends the PDCCH only when the downlink SPS is activated.
  • the PDCCH is transmitted again until the downlink SPS is released.
  • the resources used by the PDSCH are all scheduled by the PDCCH sent when the downlink SPS is activated last time, and the resources are relatively fixed.
  • Step 502 Determine, according to the first downlink carrier and the second type of downlink data, a format of a PUCCH that sends HARQ-ACK feedback information, and a resource index of the PUCCH.
  • the UE detects the second type of downlink data, and uses the fourth scheme to determine the format of the PUCCH that sends the HARQ-ACK feedback information and the resource index of the PUCCH.
  • the fourth solution includes:
  • the format of the PUCCH that sends the HARQ-ACK feedback information at least on the first uplink carrier or the second uplink carrier configured according to a network device
  • the information of the PUCCH resource that can be used to feed back the detection result of the second type of downlink data and the latest one of the TPC command fields in the PDCCH indicating the downlink SPS activation determines the corresponding to the first antenna port First uplink carrier or the second uplink a resource index of the PUCCH of the row carrier and a resource index of the PUCCH corresponding to the first uplink carrier or the second uplink carrier of the second antenna port.
  • the UE may feed back the detection result in the format of the PUCCH format la or the PUCCH format lb, and the PUCCH resource used by the UE to feed back the detection result is also related to the number of antennas, and the UE is activated according to the latest network device.
  • the information about the TPC command field in the PDCCH sent by the downlink SPS is combined with the PUCCH resource configured by the network device to be used for feeding back the detection result of the second type of downlink data on the first uplink carrier, and finally determining corresponding to the first antenna port and the second Resource index of the PUCCH of the antenna port.
  • the UE detects the second type of downlink data on the first downlink carrier, and performs feedback through the PUCCH resource on the first uplink carrier.
  • the UE detects, on the second downlink carrier, that the network device sends the second type of downlink data.
  • the fourth scheme is used to determine to send the HARQ- The format of the PUCCH of the ACK feedback information, and the resource index of the PUCCH.
  • the format and resources of the PUCCH that send the HARQ-ACK feedback information are determined on the uplink carrier corresponding to the downlink carrier by using a corresponding scheme.
  • the index is that the UE feeds back the first uplink carrier when the downlink data is detected by the first downlink carrier, and the UE feeds back the downlink data on the second downlink carrier, and the UE feeds back the second uplink carrier according to the type of the downlink data.
  • the scheme for calculating the resource index of the PUCCH is different. Therefore, the UE does not need to focus on one uplink carrier for feedback, but performs load balancing. In the prior art, the UE only feeds back HARQ-ACK information on the PUCCH of the PCell, resulting in PCdl. The problem of excessive uplink load is increased, and the transmission performance is improved.
  • the foregoing embodiment shown in FIG. 4 and FIG. 5 is that the UE detects downlink data only on the first downlink carrier or the second downlink carrier.
  • the method is applicable to the UE in the first downlink carrier and the first The downlink data is simultaneously detected on the downlink carrier, and the UE performs feedback on the uplink carrier corresponding to the downlink carrier according to the type of the detected downlink data.
  • the UE after determining the format of the PUCCH for transmitting the HARQ-ACK feedback information and the resource index of the PUCCH, the UE further needs the UE to determine the power control information of the PUCCH, and the implementation method is implemented.
  • the method may be: if it is determined that the HARQ-ACK feedback information is sent on the first uplink carrier, acquiring the PUCCH according to the information of the TPC command field in the PDCCH on the first downlink carrier Power control information; And sending the HARQ-ACK feedback information on the second uplink carrier, and acquiring the power control information of the PUCCH according to the information of the TPC command field in the PDCCH on the second downlink carrier.
  • the UE needs to perform power control on the PUCCH to ensure that the network device can receive the PUCCH and correctly decode the UE, and the UE performs power control.
  • the PDCCH is the PDCCH for scheduling the PDSCH, or the PDCCH for the downlink SPS is released by the network device, if it is the second For downlink data, the PDCCH is the PDCCH indicating the downlink SPS activation of the nearest one.
  • the UE determines on which uplink carrier to transmit HARQ-ACK feedback information, based on the information of the TPC command field in the PDCCH transmitted on the downlink carrier corresponding to the uplink carrier.
  • the format of the PUCCH channel in which the UE determines the feedback HARQ-ACK by using the scheme is PUCCH format 3, PUCCH format la Or the PUCCH format lb
  • the eNodeB controls the transmit power of the uplink carrier PUCCH of the corresponding cell by using the same TPC command word on the downlink carrier, and solves the problem of PUCCH power control error.
  • FIG. 6 is a flowchart of Embodiment 6 of an uplink control channel transmission method according to the present invention. As shown in FIG. 6, the method in this embodiment may include:
  • Step 601 Configure, for the user equipment UE, the first uplink carrier and the second uplink carrier of the physical uplink control channel PUCCH that sends the hybrid automatic repeat request HARQ-ACK feedback information.
  • the execution body of this embodiment is a network device.
  • the network device needs to configure, for the UE, which is the first uplink carrier, which is the second uplink carrier, and the first cell corresponding to the first uplink carrier and the second cell corresponding to the second uplink carrier, and the network device and the UE in subsequent operations.
  • the PUCCH resource that sends the HARQ-ACK feedback information can be accurately obtained.
  • Step 602 Send downlink data to the UE by using a downlink carrier, and determine, by the UE, the PUCCH resource that is used by the UE to send the HARQ-ACK feedback information.
  • the downlink carrier includes a first downlink carrier that belongs to the first cell, and/or a second downlink carrier that belongs to the second cell, and/or at least one downlink carrier that belongs to another cell, where the downlink data is a type of downlink data or a second type of downlink data, wherein the first type of downlink data is The physical downlink shared data channel PDSCH of the physical downlink control channel PDCCH scheduling or the PDCCH that releases the downlink semi-persistent scheduling SPS, and the second type of downlink data is a PDSCH without PDCCH scheduling.
  • the network device sends the downlink data to the UE, where the downlink carrier includes the first downlink carrier of the first cell, the second downlink carrier of the second cell, and the downlink carrier of the other cell, and the downlink data sent by the network device is classified into two types, one type is The PDSCH with the PDCCH scheduling or the PDCCH for releasing the downlink SPS, the former can be considered as the dynamic scheduling state.
  • the network device sends the downlink data the resource information of the PDSCH is carried on the PDCCH of the downlink carrier, and the network device is activated in the downlink.
  • the UE When the SPS sends a PDCCH to the UE, the UE is notified that the network device sends the PDSCH according to the fixed resource, and then the network device sends a PDCCH to the UE when the downlink SPS is released, and the UE is notified that the downlink SPS scheduling mode ends.
  • One type is a PDSCH without PDCCH scheduling. It can be considered that this type of data is downlink SPS scheduling.
  • the network device has pre-allocated PDSCH resources when activating the downlink SPS. Therefore, the network device will use the same resource for a later period of time. Send downlink data.
  • the network device needs to determine the PUCCH resource that the UE feeds back the HARQ-ACK information for the downlink data after the downlink data is sent. For example, the network device sends the downlink data to the UE on the first downlink carrier and the second downlink carrier, where the UE is specifically located.
  • the network device that sends the HARQ-ACK feedback information on the uplink carrier is not known. Therefore, the network device considers that the UE may send the HARQ-ACK feedback information on the first uplink carrier and the second uplink carrier, and therefore the PUCCH resource determined by the network device. That is, the first uplink carrier and the second uplink carrier are included.
  • Step 603 Detect, according to the determined PUCCH resource, the HARQ-ACK feedback information sent by the UE on an uplink carrier.
  • the uplink carrier includes a first uplink carrier that belongs to the first cell and/or a second uplink carrier that belongs to the second cell.
  • the network device detects the HARQ-ACK feedback information sent by the UE according to the determined PUCCH resource that the UE may send the HARQ-ACK feedback information. Specifically, the network device detects the PUCCH resources on the determined PUCCH resources, where the PUCCH resources are at least One, as long as the UE detects any one of the two types of data on any carrier, it will feed back on one of the PUCCH resources, and the network device is responsible for detecting the feedback and parsing to determine the next step. Operation.
  • the uplink carrier that the UE configured by the network device to send the HARQ-ACK feedback information includes the first uplink carrier and the second uplink carrier.
  • the network device sends downlink data to the UE on the downlink carrier, and configures the UE to send the HARQ-ACK feedback information on the first uplink carrier and/or the second uplink carrier to perform downlink data of multiple cells.
  • the feedback reduces the load of the uplink carrier, and solves the problem that the UE only feeds the HARQ-ACK information on the PUCCH of the PCell in the prior art, causing the uplink load of the PCell to be overloaded, and improving the communication performance.
  • the method further includes: pre-configuring, for the UE, the format of the PUCCH that sends the HARQ-ACK feedback information to be a PUCCH format format 3, and sending, by the UE, the PUCCH format 3 Channel resources.
  • the network device pre-configures that the UE performs HARQ-ACK feedback according to the format of the PUCCH format 3, and allocates a channel resource for transmitting the PUCCH format 3 to the UE in advance, which is a pre-configured
  • the UE may further adjust the resource for transmitting the PUCCH according to the PDCCH in the downlink data.
  • the step 601 of the foregoing method embodiment sends the downlink data to the user equipment UE by using the downlink carrier, and determines the physical uplink control channel PUCCH resource that the UE can use to send the hybrid automatic repeat request HARQ-ACK feedback information
  • the method may be: sending the downlink data to the UE by using the downlink carrier, and then determining that the downlink data is detected by the UE on the N 2 downlink carriers, determining that the N 3 types of the UE are available.
  • step 602 of the foregoing method embodiment is based on the determined PUCCH the HARQ-ACK feedback information transmitted specific method of detecting the resource on the uplink carrier may be ufi3 ⁇ 4E: based on the determination that the UE N 3 species can be used for transmitting the HARQ-ACK of the feedback information in the PUCCH
  • the resource detects the HARQ-ACK feedback information sent by the UE on an uplink carrier.
  • the network device may send downlink data to the UE by using a downlink carrier, where the downlink carriers include a first downlink carrier, a second downlink carrier, and downlink carriers of other cells, and the number of each downlink carrier is indeterminate. It can be 0 or a natural number greater than 0, which is not specifically limited here.
  • the network device then assumes that the UE actually detects the downlink data on the N 2 downlink carriers. For example, the network device sends the downlink data to the UE simultaneously on the first downlink carrier and the second downlink carrier, and the UE can be assumed to be only in the first Downlink data is detected on the line carrier. It can also be assumed that the UE detects downlink data on both downlink carriers.
  • the network device assumes various detection results, and then determines that the UE can be used for sending according to the assumed situation.
  • the PUCCH resource of the HARQ-ACK feedback information where N 2 ⁇ Ni , N 3 ⁇ .
  • the network device detects the HARQ-ACK feedback information of the UE one by one according to the P1 ⁇ 4CH resource that the determined N ⁇ t UE can use to send the HARQ-ACK feedback information.
  • the network device assumes that the UE detects the downlink data on the N 2 downlink carriers, thereby determining the PUCCH resource, and the network device does not necessarily need to detect every PUCCH resource when detecting, and the network device may appear. If the HARQ-ACK feedback information is detected in the first PUCCH resource, the detection does not need to be continued.
  • the process of specifically detecting the HARQ-ACK feedback information is not specifically limited for the network device.
  • FIG. 7 is a flowchart of Embodiment 7 of an uplink control channel transmission method according to the present invention. As shown in FIG. 7, the method in this embodiment may include:
  • Step 701 The format of the PUCCH that is configured to send the HARQ-ACK feedback information to the UE is PUCCH format 3 and the channel resource of the PUCCH format 3 is sent by the UE.
  • the execution body of this embodiment is a network device.
  • the network device configures the channel resource for transmitting the PUCCH format 3 for the UE before starting the downlink scheduling. It should be noted that this is a pre-configured process. In the subsequent specific downlink data transmission process, the UE may further adjust the format of the PUCCH according to the PDCCH in the downlink data.
  • Step 702 Configure, for the UE, a first uplink carrier and a second uplink carrier of the PUCCH that send the HARQ-ACK feedback information.
  • the network device configures, for the UE, which of the first uplink carrier is used for transmitting the PUCCH, which is the second uplink carrier, and the first cell corresponding to the first uplink carrier and the second cell corresponding to the second uplink carrier, In subsequent operations, the network device and the UE can accurately acquire the PUCCH resource that sends the HARQ-ACK feedback information.
  • Step 703 Send downlink data to the UE on the downlink carrier that belongs to the other cell, and carry the HARQ-ACK feedback by the UE in the information of the TPC command field in the PDCCH of the downlink data of the at least one downlink carrier belonging to the other cell.
  • Resource index of PUCCH format 3 of information In this embodiment, the network device sends downlink data to the UE on at least one downlink carrier that belongs to other cells, where other cells are cells other than the first cell and the second cell, and the network device sends downlink data to the UE on other cells.
  • the UE performs HARQ-ACK feedback through the PUCCH format 3, so the network device carries the UE in the information of the TPC command field in the PDCCH of the downlink data.
  • a resource index of the PUCCH format 3 that sends the HARQ-ACK feedback information, where the resource index is a resource index on the first uplink carrier or the second uplink carrier, that is, the network device sends downlink data to the UE in other cells, ideally, the UE
  • the downlink data is detected, and the HARQ-ACK feedback information is still sent through the first uplink carrier or the second uplink carrier.
  • the network device sends downlink data to the UE on at least one downlink carrier that belongs to other cells.
  • the network device may also be in the first downlink carrier and/or the second downlink carrier.
  • the downlink data is sent to the UE, and is not specifically limited herein.
  • Step 704 If the UE detects the downlink data on the downlink carrier that belongs to the other cell, the first scenario is used to determine that the UE sends the HARQ-ACK feedback information on the first uplink carrier or the second uplink carrier by using the PUCCH format 3. PUCCH resources;
  • the network device assumes that the UE detects the downlink data on the downlink carrier of the other cell, and uses the first scheme to determine the PUCCH format 3 resource that the UE sends the HARQ-ACK feedback information.
  • the first solution includes:
  • the network device has carried the resource index of the PUCCH in the downlink data of the at least one downlink carrier that belongs to the other cell, that is, the information of the TPC command field in the PDCCH of the downlink data, and the network device further uses the TPC command field according to the TPC command field.
  • the information determines the PUCCH resource that the UE sends the HARQ-ACK feedback information.
  • Step 705 Detect, according to the determined PUCCH resource, HARQ-ACK feedback information sent by the UE on the uplink carrier.
  • the network device detects the HARQ-ACK feedback information sent by the UE according to the PUCCH resource determined in step 704.
  • the network device sends downlink data to the UE on downlink carriers of other cells.
  • the information of the TPC command field in the PDCCH of the downlink data carries the resource index of the PUCCH format 3 in which the UE sends the HARQ-ACK feedback information, and specifies that the UE uses the first uplink carrier or the second uplink carrier, and the network device The feedback information of the UE is detected on the PUCCH resource.
  • the network device further includes the UE in the information of the TPC command field in the PDCCH in the downlink data on the first downlink carrier.
  • Generating power control information of the PUCCH of the HARQ-ACK feedback information on the first uplink carrier; the TPC command field in the PDCCH in the downlink data on the second downlink carrier The information carries the power control information of the PUCCH in which the UE sends the HARQ-ACK feedback information on the second uplink carrier.
  • the network device if the network device sends the first type of downlink data on the downlink carrier, the network device carries the power control information in the PDCCH for scheduling the PDSCH or the PDCCH for releasing the downlink SPS, and the network device sends the second type downlink data on the downlink carrier.
  • the PDCCH in the downlink SPS is activated by the latest indication to carry the power control information.
  • the network device does not send downlink data on the first downlink carrier or the second downlink carrier, but will be in the two downlinks.
  • the PDCCH with the power control command is sent on the carrier, and the network device indicates the power control information to the UE through the PDCCH.
  • the UE On which corresponding uplink carrier the UE sends the HARQ-ACK feedback information, which downlink carrier uses the TPC command field information of the PDCCH. Obtain the power control information of the PUCCH. It should be noted that, regardless of how the network device sends the downlink data to the UE, the power control information is indicated to the UE by using the foregoing method, which is not specifically limited herein. This solves the problem of possible PUCCH power control errors.
  • the network device determines, according to the scenario that the UE detects the downlink data, the corresponding solution to determine the PUCCH resource that the UE sends the HARQ-ACK feedback information, specifically , there are several situations:
  • the network device assumes that the downlink data is detected on the first downlink carrier and the second downlink carrier, and the downlink data is not detected on downlink carriers belonging to other cells. Then, the second solution is used to determine that the UE sends the PUCCH resource of the HARQ-ACK feedback information on the first uplink carrier or the second uplink carrier by using a PUCCH format lb.
  • the second solution includes:
  • the UE configured in the information to send the PUCCH resource of the HARQ-ACK feedback information, and determine the PUCCH resource used by the UE to send HARQ-ACK feedback information in the first cell; Determining, according to the PDCCH in the first type of downlink data, the PUCCH resource used by the UE to send the HARQ-ACK feedback information, or according to at least configuring the UE to be configured on the second uplink carrier.
  • the network device configures a channel selection scheme for the UE.
  • the specific implementation method of the channel selection scheme is shown in the method embodiment shown in FIG. 3.
  • the network device since the UE detection result is unknown, it is also uncertain. From which uplink carrier the UE feeds back information, but the network device can determine the transmission mode configured on the first cell and the second cell, and the number of TBs supported by the transmission mode, so the corresponding network device can calculate the number of TBs.
  • the network device detects the feedback information of the UE one by one according to the PUCCH format lb resource index on the first uplink carrier or the second uplink carrier.
  • the third scheme is used to determine that the UE is in the first uplink by using PUCCH format la or PUCCH format lb Transmitting the PUCCH resource of the HARQ-ACK feedback information on a carrier, where the third solution includes:
  • the network device assumes that the UE detects the first type of downlink data on the first downlink carrier, and calculates a resource index of the PUCCH that the UE feeds back information on the first uplink carrier by using the foregoing method.
  • the network device may calculate the feedback information of the UE on the second uplink carrier by using the foregoing method.
  • the fourth scheme is used to determine that the UE is in the first uplink by using PUCCH format la or PUCCH format lb Transmitting the PUCCH resource of the HARQ-ACK feedback information on a carrier, where the fourth solution includes:
  • a resource index of the PUCCH corresponding to the first uplink carrier or the second uplink carrier of the second antenna port a resource index of the PUCCH corresponding to the first uplink carrier or the second uplink carrier of the second antenna port.
  • the network device assumes that the UE detects the second type of downlink data on the first downlink carrier, and calculates the resource index of the PUCCH that the UE feeds back information on the first uplink carrier by using the foregoing method.
  • the resource index of the PUCCH that is used by the UE to feed back information on the second uplink carrier may be calculated by using the foregoing method.
  • FIG. 8 is a schematic structural diagram of Embodiment 1 of a UE according to the present invention.
  • the apparatus in this embodiment may include: a carrier determining module 11, a detecting module 12, and a resource determining module 13, where
  • the first determining carrier 11 is configured to determine a first uplink carrier and a second uplink carrier of the physical uplink control channel PUCCH that can be used to send the hybrid automatic repeat request HARQ-ACK feedback information, where the first uplink carrier corresponds to the first cell
  • the second uplink carrier corresponds to the second cell
  • the detecting module 12 is configured to detect downlink data to obtain a detection result on the downlink carrier, where the downlink carrier includes the first downlink carrier belonging to the first cell and/or belongs to the second The second downlink carrier of the cell and/or the at least one downlink carrier belonging to the other cell, the downlink data is the first type of downlink data or the second type of downlink data, and the first type of downlink data is scheduled by the physical downlink control channel PDCCH
  • the resource determining module 13 is specifically configured to: if the downlink data is detected on the at least one downlink carrier that belongs to another cell, determine that the format of the PUCCH that sends the HARQ-ACK feedback information is first a format, the first format is a PUCCH format format 3; if the downlink is detected only on the first downlink carrier of the first cell and/or the second downlink carrier of the second cell Data, the format of the PUCCH that sends the HARQ-ACK feedback information is determined to be a second format, where the second format is PUCCH format la or PUCCH format lb.
  • the device in this embodiment can be used to implement the technical solution of the method embodiment shown in FIG. 1.
  • the principle and the technical effect are similar, and details are not described herein again.
  • FIG. 9 is a schematic structural diagram of Embodiment 2 of the UE according to the present invention.
  • the apparatus of this embodiment is based on the apparatus structure shown in FIG. 8, and further includes: a format determining module 21, and a scheme configuration receiving. Module 22 and power control module 23.
  • the format determining module 21 is configured to receive resource configuration information, and determine, according to the resource configuration information, that the HARQ-ACK feedback information is sent by using the PUCCH format 3.
  • the detecting module 12 is specifically configured to detect downlink data on the at least one downlink carrier that belongs to another cell
  • the resource determining module 13 is specifically configured to use, according to the detected downlink carrier, the downlink carrier and the For the downlink data, the format of the PUCCH and the resource index of the PUCCH that send the HARQ-ACK feedback information are determined by using the first scheme.
  • the first solution includes: the PUCCH format 3 resource pre-configured according to the network device Determining, in the first cell and the second cell, all of the PUCCH format 3 resources that are used to send the HARQ-ACK feedback information; according to the detected on the at least one downlink carrier belonging to another cell
  • the information of the transmission power control TPC command field in the PDCCH of the PDSCH acquires a resource index of the PUCCH that transmits the HARQ-ACK feedback information.
  • the detecting module 12 is configured to detect the first type of downlink data on the first downlink carrier, and detect the first type of downlink data on the second downlink carrier, and The downlink data is detected on the downlink carrier of the other cell; or the second type of downlink data is detected on the first downlink carrier, and the second type downlink data is detected on the second downlink carrier.
  • the scheme configuration receiving module 22 is configured to receive the scheme that is sent by the network device.
  • the resource determining module 13 is specifically configured to detect The downlink carrier and the downlink data of the downlink data are determined by using a second scheme to determine a format of the PUCCH that sends the HARQ-ACK feedback information, and a resource index of a PUCCH.
  • the second solution includes: determining that the format of the PUCCH that sends the HARQ-ACK feedback information is a second format, where the second format is a PUCCH format lb;
  • the PDCCH in a type of downlink data determines a PUCCH resource that is available to send the HARQ-ACK feedback information on the first uplink carrier, or at least one available on the first uplink carrier according to a network device configuration And determining, by the information about the detection result of the detection result of the second type of downlink data, and the TPC command field in the PDCCH indicating the downlink SPS activation, that the first uplink carrier is available for sending the HARQ - the PUCCH resource of the ACK feedback information, in the second cell, determining, according to the PDCCH in the first type of downlink data, that the second uplink carrier is available for transmitting the HARQ-ACK feedback information
  • the information of the TPC command field in the SPS-activated PDCCH determines the PUCCH resource that is available to send the HARQ-ACK feedback information on the second uplink carrier; and determines the first uplink according to a pre-configured channel selection scheme a carrier or a resource index of the PUCCH of the second uplink carrier, where the channel selection scheme includes a pre-configured HARQ-ACK feedback information, a resource index of a PUCCH, and a correspondence between the HARQ-ACK feedback information bits relationship.
  • the detecting module 12 is specifically configured to detect the first type of downlink data on the first downlink carrier
  • the resource determining module 13 is configured to be used according to the first downlink carrier and the first For the downlink data, the format of the PUCCH that sends the HARQ-ACK feedback information and the resource index of the PUCCH are determined by using the third scheme.
  • the third solution including: determining, according to the PDCCH in the first type of downlink data, that the format of the PUCCH that sends the HARQ-ACK feedback information is a third format or a second format, where the third format is For PUCCH format la, the second format is PUCCH format lb; according to the formula
  • the detecting module 12 is specifically configured to detect the second type of downlink data on the first downlink carrier
  • the resource determining module 13 is specifically configured to use, according to the first downlink carrier, and the second For the downlink data, the fourth scheme is used to determine the format of the PUCCH that transmits the HARQ-ACK feedback information, and the resource index of the PUCCH.
  • the fourth solution including: determining, that the format of the PUCCH that sends the HARQ-ACK feedback information is the third format or the second format, and configuring, according to the network device, the first uplink carrier or the Determining, by the information on the second uplink carrier, the PUCCH resource that is used to feed back the detection result of the second type of downlink data, and the information about the TPC command field in the PDCCH indicating the downlink SPS activation Said to the first uplink carrier or the second uplink carrier of the first antenna port
  • a resource index UCCH of the PUCCH and the first uplink carrier corresponding to the second antenna port or the The resource index of the PUCCH of the second uplink carrier is "H".
  • the detecting module 12 is specifically configured to detect the first type of downlink data on the second downlink carrier
  • the resource determining module 13 is specifically configured to use the second downlink carrier and the first type of downlink Data, using the foregoing third scheme, determining a format of the PUCCH that transmits HARQ-ACK feedback information, and a resource index of a PUCCH.
  • the detecting module 12 is specifically configured to detect the second type of downlink data on the second downlink carrier.
  • the resource determining module 13 is specifically configured to use the second downlink carrier and the second type of downlink. Data, using the fourth scheme described above, determining the format of the PUCCH, the resource index of the PUCCH, and the power control information of the PUCCH that transmit the HARQ-ACK feedback information.
  • the power control module 23 is configured to: if it is determined to send the the uplink carrier,
  • the power control information of the PUCCH is obtained according to the information of the TPC command field in the PDCCH on the first downlink carrier; if it is determined to be sent on the second uplink carrier, The HARQ-ACK feedback information is used to obtain the power control information of the PUCCH according to the information of the TPC command field in the PDCCH on the second downlink carrier.
  • the device of this embodiment may be used to perform the technical solution of the method embodiment of any one of the embodiments of FIG. 1 to 5.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 10 is a schematic structural diagram of Embodiment 1 of a network device according to the present invention.
  • the apparatus in this embodiment may include: a carrier configuration module 11, a transmission determining module 12, and a detecting module 13, where the carrier configuration module 11 is used.
  • the sending determining module 12 is configured to send downlink data to the UE by using the downlink carrier, and determine, by the UE, the PUCCH resource that is used by the UE to send the HARQ-ACK feedback information, where the downlink carrier
  • the first type of downlink data is a physical downlink shared data channel PDSCH scheduled by the physical downlink control channel PDCCH or released downlink
  • the PDCCH of the SPS is statically scheduled
  • the second type of downlink data is
  • FIG. 11 is a schematic structural diagram of Embodiment 2 of a network device according to the present invention.
  • the device in this embodiment may further include: a resource configuration module 21 and a power control, based on the device structure shown in FIG.
  • the power control module 22 is configured to carry, in the information of the TPC command field in the PDCCH in the downlink data on the first downlink carrier, that the UE sends the first uplink carrier
  • the power control information of the PUCCH of the HARQ-ACK feedback information where the information of the TPC command field in the PDCCH in the downlink data on the second downlink carrier carries the UE in the The power control information of the PUCCH that sends the HARQ-ACK feedback information on the second uplink carrier.
  • the sending determining module 12 is specifically configured to send the downlink data to the UE by using the downlink carrier, and then assume that the UE detects the downlink data on the N2 downlink carriers, and determines that the downlink data is
  • the UE may be configured to send the PUCCH resource of the HARQ-ACK feedback information, where Ni, ⁇ ⁇ 3 are natural numbers, and ⁇ 2 ⁇ ⁇ N, ⁇ ⁇ 3 ⁇ 4;
  • the detecting module 13 is specifically configured to Determining, according to the determining, the HARQ-ACK feedback information that is sent by the UE on an uplink carrier, by using the PUCCH resource that the UE is available to the HARQ-ACK feedback information.
  • the sending determining module 12 is specifically configured to send downlink data to the UE on the downlink carrier that belongs to the other cell, and simultaneously perform the downlink data on the downlink carrier of the at least one belonging to another cell.
  • the information of the TPC command field in the PDCCH carries the resource index of the PUCCH format 3 in which the UE sends the HARQ-ACK feedback information.
  • the sending determining module 12 is specifically configured to: if the UE detects the downlink data on the at least one downlink carrier that belongs to another cell, according to the at least one downlink carrier that belongs to another cell.
  • the information of the TPC command field in the PDCCH of the downlink data determines a resource index of the PUCCH format 3 in which the UE sends the HARQ-ACK feedback information.
  • the sending determining module 12 is specifically configured to: if the UE detects the downlink data on the first downlink carrier and the second downlink carrier at the same time, and does not belong to other cells. Detecting the downlink data on the downlink carrier, configuring a channel selection scheme for the UE, and determining, according to the channel selection scheme, that the UE sends the HARQ-ACK on the first uplink carrier or the second uplink carrier. a resource index of the PUCCH format lb of the feedback information, where the channel selection scheme includes a pre-configured HARQ-ACK feedback information, a resource of the uplink carrier, and a correspondence between the HARQ-ACK feedback information bits. .
  • the sending determining module 11 is further configured to: in the first cell, determine, according to the PDCCH in the first type of downlink data, a PUCCH resource used by the UE to send the HARQ-ACK feedback information, or And the at least one PUCCH resource that is configured by the UE on the first uplink carrier to be used for feeding back a detection result of the second type of downlink data, and the TPC in a PDCCH that is the latest one indicating the downlink SPS activation.
  • the UE configured in the information of the command field sends the PUCCH resource of the HARQ-ACK feedback information, and determines a PUCCH resource used by the UE to send HARQ-ACK feedback information in the first cell; Determining, according to the PDCCH in the first type of downlink data, the PUCCH resource used by the UE to send the HARQ-ACK feedback information, or configuring, according to the UE, the second uplink carrier At least one of the PUCCH resources that can be used to feed back the detection result of the second type of downlink data and the UE transmission station configured in the information of the TPC command field in the latest one of the PDCCHs indicating the downlink SPS activation Describe the PUCCH resource of the HARQ-ACK feedback information, and determine a PUCCH resource used by the UE to send HARQ-ACK feedback information in the second cell.
  • the sending determining module 12 is specifically configured to: determine that the UE detects the first type of downlink data on the first downlink carrier, and determine the UE according to the resource used by the PDCCH of the downlink data. Transmitting the PUCCH resource of the HARQ-ACK feedback information;
  • the sending determining module 12 is specifically configured to: after the UE detects the second type of downlink data on the first downlink carrier, determining that the UE is in the first uplink carrier or the second The PUCCH resource on the uplink carrier for feeding back the detection result of the second type of downlink data;
  • the sending determining module 12 is specifically configured to: determine that the UE detects the first type of downlink data on the second downlink carrier, and determine, according to the resource used by the PDCCH of the downlink data, that the UE sends The PUCCH resource of the HARQ-ACK feedback information; according to formula (1)
  • CCE is the sequence number of the first control channel element CCE of the PDCCH of the PDSCH scheduled on the first downlink carrier or the second downlink carrier or the first of the PDCCH releasing the downlink SPS
  • the serial number of the CCE, W is the parameter configured by the network device
  • the sending determining module 12 is specifically configured to: if the UE detects the second type of downlink data on the second downlink carrier, determining that the UE is in the first uplink carrier or the second uplink The PUCCH resource on the carrier for feeding back the detection result of the second type of downlink data;
  • the UE Determining, according to a recent information indicating the TPC command field in the downlink SPS activated PDCCH, that the UE sends the HARQ-ACK feedback information corresponding to the first uplink carrier of the first antenna port or the a resource index of the PUCCH of the second uplink carrier and a resource index of the PUCCH corresponding to the first uplink carrier or the second uplink carrier of the second antenna port.
  • the device in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 6 or FIG. 7. The implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 12 is a schematic structural diagram of Embodiment 3 of a UE according to the present invention.
  • the device in this embodiment may include: a processor 11 configured to determine a physical uplink that can be used to send a hybrid automatic repeat request HARQ-ACK feedback information.
  • the downlink carrier includes a first downlink carrier belonging to the first cell and/or a second downlink carrier belonging to the second cell and/or at least one downlink carrier belonging to the other cell, where the downlink data is the first type of downlink data or the first
  • the downlink data of the second type is the physical downlink shared data channel PDSCH scheduled by the physical downlink control channel PDCCH or the PDCCH releasing the downlink semi-persistent scheduling SPS, and the second type of downlink data is the PDSCH without PDCCH scheduling. Determining, according to the detection result, a format, PUCC of the PUCCH that sends the HARQ-ACK feedback information H's resource index.
  • the processor 11 is specifically configured to: if the downlink data is detected on the at least one downlink carrier that belongs to another cell, determine that the format of the PUCCH that sends the HARQ-ACK feedback information is a first format, The first format is a PUCCH format format 3; if the downlink data is detected only on the first downlink carrier of the first cell and/or the second downlink carrier of the second cell, The format of the PUCCH that sends the HARQ-ACK feedback information is determined to be a second format, where the second format is PUCCH format la or PUCCH format lb.
  • the device in this embodiment can be used to implement the technical solution of the method embodiment shown in FIG. 1.
  • the principle and the technical effect are similar, and details are not described herein again.
  • FIG. 13 is a schematic structural diagram of Embodiment 4 of a UE according to the present invention.
  • the apparatus in this embodiment is further configured to: Receiver 21, for receiving resources, on the basis of the apparatus structure shown in FIG.
  • the processor 11 is configured to determine, according to the resource configuration information, that the HARQ-ACK feedback information is sent by using the PUCCH format 3.
  • the processor 11 is specifically configured to: detect downlink data on the at least one downlink carrier that belongs to another cell; determine the first cell and the first cell according to the PUCCH format 3 resource configured in advance by the network device. All of the PUCCH format 3 resources available for transmitting the HARQ-ACK feedback information in the second cell; according to the at least one belonging to another cell.
  • the information of the transmission power control TPC command field in the PDCCH of the PDSCH detected on the downlink carrier acquires the resource index of the PUCCH that transmits the HARQ-ACK feedback information.
  • the processor 11 is configured to detect the first type of downlink data on the first downlink carrier, and detect the first type of downlink data on the second downlink carrier, and The downlink data is detected on the downlink carrier of the other cell; or the second type of downlink data is detected on the first downlink carrier, and the second type downlink data is detected on the second downlink carrier.
  • the second format is a PUCCH format lb; determining, according to a pre-configured channel selection scheme, a resource of the PUCCH of the first uplink carrier or the second uplink carrier, the channel selection scheme
  • the pre-configured HARQ-ACK feedback information, the resource index of the PUCCH, and the correspondence between the HARQ-ACK feedback information bits are included.
  • the processor 11 is further configured to: in the first cell, determine, according to the PDCCH in the first type of downlink data, a PUCCH resource that is used to send the HARQ-ACK feedback information on the first uplink carrier, where Or the at least one of the PUCCH resources that are used to feed back the detection result of the second type of downlink data and the latest one of the PDCCHs that indicate the downlink SPS activation are configured according to the network device.
  • the information of the TPC command field determines the PUCCH resource that is available to send the HARQ-ACK feedback information on the first uplink carrier;
  • the PUCCH resource that is used to send the HARQ-ACK feedback information on the second uplink carrier according to the PDCCH in the first type of downlink data, or according to the network device Configuring at least one of the PUCCH resources on the second uplink carrier that can be used to feed back the detection result of the second type of downlink data and the TPC command field in the PDCCH indicating the downlink SPS activation
  • the information determines the PUCCH resource that is available to send the HARQ-ACK feedback information on the second uplink carrier.
  • the receiver 21 is further configured to receive scheme configuration information sent by the network device;
  • the device 11 is specifically configured to determine, according to the scenario configuration information, whether to use the second scheme to determine a format of the PUCCH that sends the HARQ-ACK feedback information, and a resource index of a PUCCH.
  • the processor 11 is specifically configured to detect the first type of downlink data on the first downlink carrier, and determine to send the HARQ-ACK feedback according to the PDCCH in the first type of downlink data.
  • the format of the PUCCH of the information is a third format or a second format, the third format is a PUCCH format la, and the second format is a PUCCH format lb;
  • the processor 11 is specifically configured to detect the second type of downlink data on the first downlink carrier, and determine that the format of the PUCCH that sends the HARQ-ACK feedback information is the third format. Or the second format;
  • the information of the TPC command field in the SPS-activated PDCCH determines a resource index of the PUCCH corresponding to the first uplink carrier or the second uplink carrier of the first antenna port, and corresponds to the second a resource index of the PUCCH of the first uplink carrier or the second uplink carrier of the antenna port.
  • the processor 11 is specifically configured to detect the first type of downlink data on the second downlink carrier, and determine to send the according to the PDCCH in the first type of downlink data.
  • the format of the PUCCH of the HARQ-ACK feedback information is a third format or a second format, the third format is PUCCH format la, and the second format is PUCCH format lb;
  • nCCE 1 y 1 Calculating a resource index of the PUCCH corresponding to the first antenna port, where CCE is the PDCCH of the PDSCH scheduled on the first downlink carrier or the second downlink carrier
  • the sequence number of the first control channel element CCE or the sequence number of the first CCE of the PDCCH that releases the downlink SPS, and ⁇ t ⁇ H is a parameter configured by the network device;
  • the processor 11 is specifically configured to detect the second type of downlink data on the second downlink carrier, and determine that the format of the PUCCH that sends the HARQ-ACK feedback information is the third format or The second format;
  • the information of the TPC command field in the activated PDCCH determines a resource index of the PUCCH corresponding to the first uplink carrier or the second uplink carrier of the first antenna port, and corresponds to the second antenna
  • the resource index " ⁇ of the PUCCH of the first uplink carrier or the second uplink carrier of the port is a resource index of the PUCCH corresponding to the first uplink carrier or the second uplink carrier of the first antenna port, and corresponds to the second antenna.
  • the processor 11 is further configured to: if it is determined to send the the uplink carrier,
  • the HARQ-ACK feedback information is, according to the foregoing in the PDCCH on the first downlink carrier.
  • the information of the TPC command field acquires the power control information of the PUCCH; if it is determined that the HARQ-ACK feedback information is sent on the second uplink carrier, according to the PDCCH in the PDCCH on the second downlink carrier.
  • the information of the TPC command field acquires the power control information of the PUCCH.
  • the device of this embodiment may be used to implement the technical solution of any one of the method embodiments of FIG. 1 to FIG. 5, and the implementation principle and technical effects thereof are similar, and details are not described herein again.
  • FIG. 14 is a schematic structural diagram of Embodiment 3 of a network device according to the present invention.
  • the device in this embodiment may include: a transmitter 11 and a processor 12, where the processor 12 is configured to send and send for the user equipment UE.
  • the transmitter 11 is configured to send downlink data to the UE by using a downlink carrier, where the downlink carrier includes a first downlink carrier that belongs to the first cell and/or a second downlink carrier that belongs to the second cell, and/or at least one Downstream of other communities
  • the downlink data is the first type of downlink data or the second type of downlink data
  • the first type of downlink data is a physical downlink shared data channel PDSCH scheduled by the physical downlink control channel PDCCH or a PDCCH that releases the downlink semi-persistent scheduling SPS.
  • the second type of downlink data is a PDSCH without PDCCH scheduling; the processor 12 is further configured to determine the PUCCH resource that the UE can use to send the HARQ-ACK feedback information; and detect the PUCCH resource according to the determined The HARQ-ACK feedback information sent by the UE on an uplink carrier.
  • the processor 12 is further configured to pre-configure, for the UE, the format of the PUCCH that sends the HARQ-ACK feedback information to a PUCCH format format 3, and the UE sends the channel resource of the PUCCH format 3.
  • the transmitter 11 is specifically configured to send downlink data to the UE on the downlink carrier that belongs to the other cell, and at the same time, the PDCCH of the downlink data on the at least one downlink carrier belonging to another cell
  • the information of the TPC command field carries the resource index of the PUCCH format 3 in which the UE sends the HARQ-ACK feedback information.
  • the processor 12 is specifically configured to: if the UE detects the downlink data on the at least one downlink carrier that belongs to another cell, according to the downlink on the downlink carrier that belongs to the at least one other cell
  • the information of the TPC command field in the PDCCH of the data determines the resource index of the PUCCH format 3 in which the UE transmits the HARQ-ACK feedback information.
  • the processor 12 is specifically configured to: if the UE detects the downlink data on the first downlink carrier and the second downlink carrier at the same time, and does not detect the downlink carrier that belongs to another cell. Determining the downlink data, configuring a channel selection scheme for the UE, and determining, according to the channel selection scheme, the PUCCH that the UE sends the HARQ-ACK feedback information on the first uplink carrier or the second uplink carrier. a resource index of the format lb, the channel selection scheme includes the pre-configured HARQ-ACK feedback information, a resource index of an uplink carrier, and the Correspondence between HARQ-ACK feedback information bits.
  • the processor 12 is further configured to: in the first cell, determine, according to the PDCCH in the first type of downlink data, a PUCCH resource that is used by the UE to send the HARQ-ACK feedback information, or At least one PUCCH resource that is configured by the UE on the first uplink carrier to feed back a detection result of the second type of downlink data and a TPC command in a PDCCH that indicates the downlink SPS activation
  • the UE configured in the information of the field sends the PUCCH resource of the HARQ-ACK feedback information, and determines a PUCCH resource used by the UE to send HARQ-ACK feedback information in the first cell; Determining, according to the PDCCH in the first type of downlink data, the PUCCH resource used by the UE to send the HARQ-ACK feedback information, or according to the UE configured on the second uplink carrier.
  • the PUCCH resource of the ACK feedback information is used to determine a PUCCH resource used by the UE to transmit HARQ-ACK feedback information in the second cell.
  • the processor 12 is specifically configured to: determine that the UE detects the first type of downlink data on the first downlink carrier, and determine, according to the resource used by the PDCCH of the downlink data, that the UE sends The PUCCH resource of the HARQ-ACK feedback information;
  • CCE is the sequence number of the first control channel element CCE of the PDCCH of the PDSCH scheduled on the first downlink carrier or the second downlink carrier or the first of the PDCCH releasing the downlink SPS
  • the serial number of the CCE which is the parameter configured for the network device
  • the processor 12 is specifically configured to: if the UE detects the second type of downlink data on the first downlink carrier, determine that the UE is in the first uplink carrier or the second uplink The PUCCH resource on the carrier for feeding back the detection result of the second type of downlink data; according to the latest one, indicating the TPC command word in the PDCCH of the downlink SPS activation
  • the information of the segment determines that the UE sends the HARQ-ACK feedback information corresponding to the first uplink carrier of the first antenna port or the resource index of the PUCCH of the second uplink carrier, and corresponds to the second a resource index " ⁇ H " of the PUCCH of the first uplink carrier or the second uplink carrier of the antenna port.
  • the processor 12 is specifically configured to: determine that the UE detects the first type of downlink data on the first downlink carrier, and determine, according to the resource used by the PDCCH of the downlink data, that the UE sends The PUCCH resource of the HARQ-ACK feedback information;
  • CCE is the sequence number of the first control channel element CCE of the PDCCH of the PDSCH scheduled on the first downlink carrier or the second downlink carrier or the first of the PDCCH releasing the downlink SPS
  • the serial number of the CCE, W ⁇ CH is the parameter configured by the network device
  • the processor 12 is specifically configured to: if the UE detects the second type of downlink data on the first downlink carrier, determine that the UE is in the first uplink carrier or the second uplink The PUCCH resource on the carrier for feeding back the detection result of the second type of downlink data; determining, according to the latest information indicating the TPC command field in the downlink SPS activated PDCCH, that the UE sends the HARQ
  • the ACK feedback information corresponds to a resource index of the PUCCH of the first uplink carrier or the second uplink carrier of the first antenna port, and the first uplink carrier or the second corresponding to the second antenna port
  • the processor 12 is further configured to carry the UE in the first uplink carrier in the information of the TPC command field in the PDCCH in the downlink data on the first downlink carrier.
  • the device in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 6 or FIG. 7. The implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 15 is a schematic structural diagram of an embodiment of an uplink control channel transmission system according to the present invention.
  • the system in this embodiment includes: a UE 11 and a network device 12, where the UE 11 can adopt the device embodiment shown in FIG. 8 or FIG.
  • the technical solution of any of the method embodiments of FIG. 1 to FIG. 5 may be performed, and the implementation principle and the technical effect are similar, and details are not described herein;
  • the network device 12 may adopt the method shown in FIG. 10 or FIG.
  • the technical solution of the method embodiment shown in FIG. 6 or FIG. 7 can be performed, and the implementation principle and the technical effect are similar, and details are not described herein again.
  • the structure shown in FIG. 15 may also be a schematic structural diagram of an uplink control channel transmission entity system, including: a UE 11 and a network device 12, where the UE 11 may adopt the structure of the apparatus embodiment shown in FIG. 12 or FIG.
  • the technical solution of the method embodiment of any one of FIG. 1 to FIG. 5 can be performed, and the implementation principle and technical effects are similar, and details are not described herein.
  • the network device 12 can adopt the structure of the device embodiment shown in FIG.
  • the technical solution of the method embodiment shown in FIG. 6 or FIG. 7 can be performed, and the implementation principle and the technical effect are similar, and details are not described herein again.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.
  • the units described as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. . Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the software functional unit is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform the method of various embodiments of the present invention. Part of the steps.
  • the foregoing storage medium includes: a U disk, a removable 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. .

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Abstract

L'invention concerne, dans des modes de réalisation, un procédé, un dispositif et un système de transmission de canal de commande de liaison montante. Le procédé de transmission de canal de commande de liaison montante de la présente invention consiste : à déterminer une première porteuse de liaison montante et une seconde porteuse de liaison montante d'un canal de commande de liaison montante physique (PUCCH) qui peuvent être utilisées pour transmettre des informations de rétroaction d'accusé de réception (ACK) de demande de répétition automatique hybride (HARQ), HARQ-ACK ; à détecter des données de liaison descendante sur une porteuse de liaison descendante pour obtenir un résultat de détection, la porteuse de liaison descendante comprenant une première porteuse de liaison descendante appartenant à une première cellule et/ou une deuxième porteuse de liaison descendante appartenant à une seconde cellule et/ou au moins une porteuse de liaison descendante appartenant à d'autres cellules, les données de liaison descendante étant des données de liaison descendante de type 1 ou des données de liaison descendante de type 2; à déterminer, en fonction du résultat de détection, un format du canal PUCCH et un index de ressources du canal PUCCH pour transmettre les informations de rétroaction HARQ-ACK. Les modes de réalisation de la présente invention résolvent le problème dans l'état de la technique selon lequel un équipement utilisateur (UE) réinjecte des informations HARQ-ACK sur un canal PUCCH d'une PCell uniquement, de sorte qu'une porteuse de liaison montante de la PCell est surchargée.
PCT/CN2014/071770 2014-01-29 2014-01-29 Procédé, dispositif et système de transmission de canal de commande de liaison montante WO2015113256A1 (fr)

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PCT/CN2014/071770 WO2015113256A1 (fr) 2014-01-29 2014-01-29 Procédé, dispositif et système de transmission de canal de commande de liaison montante
CN201480029178.7A CN105230095B (zh) 2014-01-29 2014-01-29 上行控制信道传输方法、装置及系统

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107026723A (zh) * 2016-02-02 2017-08-08 电信科学技术研究院 一种传输上行控制信息的方法和设备

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110830176B (zh) * 2018-08-10 2023-10-03 大唐移动通信设备有限公司 一种harq-ack发送方法、接收方法、终端及基站
CN112118079B (zh) * 2019-06-19 2023-05-05 中国电信股份有限公司 上行控制信令的传输方法、设备和系统
CN116132004A (zh) * 2021-11-11 2023-05-16 中国移动通信有限公司研究院 一种指示载波的方法及装置、终端、网络设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101795492A (zh) * 2010-01-15 2010-08-04 中兴通讯股份有限公司 一种多载波系统中物理上行控制信道资源的确定方法
US20120269179A1 (en) * 2011-04-22 2012-10-25 Samsung Electronics Co. Ltd. Method and apparatus for transmitting acknowledgement/nonacknowledgement signals in a wireless communication system
CN103001750A (zh) * 2011-09-16 2013-03-27 北京三星通信技术研究有限公司 一种传输harq-ack信息的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101838284B1 (ko) * 2009-10-01 2018-03-13 인터디지탈 패튼 홀딩스, 인크 업링크 제어 데이터 전송
CN101958777B (zh) * 2010-09-28 2015-07-22 中兴通讯股份有限公司 正确/错误应答消息发送的处理方法及装置
US9155083B2 (en) * 2010-10-12 2015-10-06 Lg Electronics Inc. Method and device for transmitting control information in a wireless communication system
US9819464B2 (en) * 2010-11-02 2017-11-14 Lg Electronics Inc. Technique to provide channel format and signal processing for efficiently transmitting control information
US20120113827A1 (en) * 2010-11-08 2012-05-10 Sharp Laboratories Of America, Inc. Dynamic simultaneous pucch and pusch switching for lte-a

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101795492A (zh) * 2010-01-15 2010-08-04 中兴通讯股份有限公司 一种多载波系统中物理上行控制信道资源的确定方法
US20120269179A1 (en) * 2011-04-22 2012-10-25 Samsung Electronics Co. Ltd. Method and apparatus for transmitting acknowledgement/nonacknowledgement signals in a wireless communication system
CN103001750A (zh) * 2011-09-16 2013-03-27 北京三星通信技术研究有限公司 一种传输harq-ack信息的方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107026723A (zh) * 2016-02-02 2017-08-08 电信科学技术研究院 一种传输上行控制信息的方法和设备
CN107026723B (zh) * 2016-02-02 2020-10-09 电信科学技术研究院 一种传输上行控制信息的方法和设备

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