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WO2011020396A1 - Procédé et appareil de traitement d’informations en mode multiporteuse - Google Patents

Procédé et appareil de traitement d’informations en mode multiporteuse Download PDF

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Publication number
WO2011020396A1
WO2011020396A1 PCT/CN2010/075336 CN2010075336W WO2011020396A1 WO 2011020396 A1 WO2011020396 A1 WO 2011020396A1 CN 2010075336 W CN2010075336 W CN 2010075336W WO 2011020396 A1 WO2011020396 A1 WO 2011020396A1
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WIPO (PCT)
Prior art keywords
information
response
channel quality
quality indicator
transmitted
Prior art date
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Ceased
Application number
PCT/CN2010/075336
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English (en)
Chinese (zh)
Inventor
陈小波
李超君
曲秉玉
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of WO2011020396A1 publication Critical patent/WO2011020396A1/fr
Anticipated expiration legal-status Critical
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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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
    • 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

Definitions

  • the embodiments of the present invention relate to mobile communication technology, and in particular, to an information processing method and equipment in a multi-carrier mode.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution-Advanced
  • HARQ Hybrid Automatic Repeat Request
  • ACK acknowledgement
  • NACK Negative-Acknowledgement
  • the terminal device needs to feed back channel quality indicator (Channel Quality Indicator; hereinafter referred to as CQI) information to the base station to update the downlink channel quality status sensed by the terminal device, as well as information such as channel rank indicator and precoding matrix indicator, So that the base station can perform adaptive scheduling transmission according to the link channel quality.
  • CQI Channel Quality Indicator
  • the probability that the ACK/NACK information is 00 is higher, which causes unnecessary retransmissions and reduces the downlink throughput.
  • the embodiment of the present invention is to provide an information processing method and device in a multi-carrier mode to reduce unnecessary information retransmission and improve downlink throughput.
  • an embodiment of the present invention provides an information processing in a multi-carrier mode Methods, including:
  • the multiple response responses are grouped to generate multiple response response groups; the response information to be transmitted generated by at least one of the response response groups is multiplexed with independent channel quality indication information, and the multiplexed generated
  • the uplink feedback information is transmitted on at least one channel quality indicator channel.
  • An embodiment of the present invention also provides an information processing method in a multi-carrier mode, including: receiving uplink feedback information sent by a terminal device;
  • the response information to be transmitted generated by at least one response response group in the uplink feedback information is multiplexed with independent channel quality indicator information and then transmitted on at least one channel quality indicator channel.
  • the embodiment of the present invention also provides a terminal device, including:
  • the grouping module is used to group multiple response responses according to the grouping information to generate multiple response response groups;
  • the multiplexing module is configured to multiplex the response information to be transmitted and the independent channel quality indication information generated by at least one of the multiple response response groups generated by the grouping module, and to multiplex the uplink generated by the multiplexing.
  • the feedback information is transmitted on at least one channel quality indicator channel.
  • the embodiment of the present invention also provides a base station, including:
  • a receiving module configured to receive uplink feedback information sent by a terminal device
  • the demultiplexing module is configured to demultiplex the uplink feedback information received by the receiving module according to the grouping information, and the response information to be transmitted generated by at least one response response group in the uplink feedback information is related to the independent channel
  • the quality indicator information is multiplexed and transmitted on at least one channel quality indicator channel.
  • the embodiment of the present invention provides an information processing method and device in a multi-carrier mode.
  • the uplink feedback information sent by the terminal device is received through a base station, and the uplink feedback information is demultiplexed according to the grouping information, and at least one of the uplink feedback information is
  • the response information to be transmitted generated by the response response group is the independent CQI information
  • multiple response information and independent CQI information are multiplexed, and the multiplexed information is flexibly and efficiently transmitted on multiple CQI channels allocated for CQI information, reducing A lot of unnecessary information is retransmitted, which greatly improves the downlink throughput.
  • FIG. 1 is a flowchart of the first embodiment of the information processing method in the j ⁇ carrier mode of the present invention
  • FIG. 2 is a flowchart of the second embodiment of the information processing method in the j ⁇ carrier mode of the present invention
  • FIG. 3 is the present invention j ⁇ a flowchart of the third embodiment of the information processing method in carrier mode
  • FIG. 4 is a schematic diagram of the subframe structure of the LTE-A TDD system in the third embodiment of the information processing method in the multi-carrier mode of the present invention
  • FIG. 5 is a schematic diagram of first information multiplexing in Embodiment 3 of the information processing method in the multi-carrier mode of the present invention.
  • FIG. 6 is a schematic diagram of second information multiplexing in Embodiment 3 of the information processing method in the multi-carrier mode of the present invention.
  • FIG. 7 is a schematic diagram of the third information multiplexing in Embodiment 3 of the information processing method in the multi-carrier mode of the present invention.
  • FIG. 8 is a schematic diagram of the fourth information multiplexing in Embodiment 3 of the information processing method in the multi-carrier mode of the present invention.
  • FIG. 9 is a schematic diagram of the fifth information multiplexing in Embodiment 3 of the information processing method in the multi-carrier mode of the present invention.
  • Figure 10 is a schematic structural diagram of Embodiment 1 of a terminal device according to the present invention.
  • Figure 11 is a schematic structural diagram of Embodiment 2 of a terminal device according to the present invention.
  • Figure 12 is a schematic structural diagram of Embodiment 3 of a terminal device according to the present invention.
  • FIG. 13 is a schematic structural diagram of Embodiment 4 of a terminal device according to the present invention.
  • Figure 14 is a schematic structural diagram of Embodiment 5 of a terminal device according to the present invention.
  • Figure 15 is a schematic structural diagram of Embodiment 6 of a terminal device according to the present invention.
  • Fig. 16 is a schematic structural diagram of an embodiment of a base station according to the present invention.
  • DETAILED DESCRIPTION OF THE EMBODIMENTS Those of ordinary skill in the art can understand that all or part of the steps in the methods of the foregoing embodiments can be implemented by a program instructing relevant hardware to complete.
  • the program can be stored in a computer-readable storage medium, for example, Read memory, disk or CD, etc.
  • the spectrum of two or more component carriers can be aggregated together to obtain a wider transmission bandwidth.
  • the LTE-A system can serve both LTE terminal equipment and LTE-A. Terminal Equipment. Among them, LTE terminal equipment can only access one of the component carriers for data transmission and reception, while LTE-A terminal equipment can access one or more component carriers for data transmission and reception at the same time according to its capabilities and service requirements. The number of uplink and downlink component carriers may not be equal.
  • each component carrier corresponds to an independent HARQ process, so that each component carrier has its own ACK/NACK response feedback.
  • LTE-A LTE frequency division duplex Frequency Division Duplex; hereinafter referred to as: FDD
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • the embodiment of the present invention proposes a new method of multiplexing ACK/NACK information and CQI information in response to the above-mentioned technical problems in the prior art, grouping multiple ACK/NACK responses, and combining the grouped ACK /NACK The ACK/NACK generated in response is multiplexed with CQI information and then transmitted on multiple CQI channels.
  • Fig. 1 is a flowchart of Embodiment 1 of an information processing method in a multi-carrier mode of the present invention, as shown in Fig. 1 As shown, this embodiment provides a specific information multiplexing method. This embodiment specifically describes the technical solution of the embodiment of the present invention from the terminal device side, which may specifically include the following steps:
  • Step 101 The terminal device groups multiple response responses according to the grouping information to generate multiple response response groups;
  • Step 102 The terminal device multiplexes the response information to be transmitted generated by the at least one response response group with independent CQI information, and transmits the uplink feedback information generated by the multiplexing to the base station through the at least one CQI channel.
  • the grouping information may be a grouping rule pre-configured by the system, and the terminal device may directly obtain the grouping rule through the system, and respond to multiple responses according to the grouping rule. Responses are grouped.
  • the grouping information may also be a grouping result or grouping rule sent by the base station. After receiving the grouping result or grouping rule generated and sent by the base station, the terminal device groups multiple response responses according to the grouping result or grouping rule.
  • the response response may specifically be an ACK/NACK response, and the uplink feedback information may be information obtained by multiplexing the ACK/NACK response and CQI information.
  • This embodiment provides an information multiplexing method.
  • the terminal groups multiple response responses according to the obtained grouping information, and combines the response information to be transmitted and independent CQI information generated by at least one of the multiple response response groups.
  • the multiplexing is performed, and the uplink feedback information generated by the multiplexing is transmitted to the base station through at least one CQI channel.
  • This embodiment realizes the grouping of the response responses, and combines the response information generated by the multiple response response groups generated after the grouping with independent
  • the information after the CQI information is multiplexed is flexibly and efficiently transmitted on the multiple CQI channels allocated for the CQI information, which reduces many unnecessary information retransmissions and greatly improves the downlink throughput.
  • FIG. 2 is a flowchart of Embodiment 2 of the information processing method in the multi-carrier mode of the present invention. As shown in FIG. 2, this embodiment provides an information multiplexing method. This embodiment specifically compares the embodiment of the present invention from the base station side. To illustrate the technical solution, it may specifically include the following steps:
  • Step 201 The base station receives the uplink feedback information sent by the terminal equipment.
  • Step 202 The base station demultiplexes the uplink feedback information according to the grouping information, and the uplink The response information to be transmitted generated by at least one response response group in the feedback information is multiplexed with independent CQI information and transmitted through at least one CQI channel.
  • the grouping information may be a grouping rule pre-configured by the system, and the base station does not need to participate in the grouping process of the response response, and the terminal device can directly obtain the grouping rule through the system.
  • the base station may demultiplex the uplink feedback information according to the grouping rule grouping information.
  • the grouping information may also be a grouping result or grouping rule sent by the base station. Specifically, the base station groups the response response according to the downlink data information sent to the terminal device, and sends the generated grouping information to the terminal device to perform a specific grouping process.
  • the uplink feedback information After receiving the uplink feedback information sent by the terminal device, the uplink feedback information is demultiplexed according to the grouping result or the grouping rule.
  • the response response may specifically be an ACK/NACK response, and the uplink feedback information may be information obtained by multiplexing the ACK/NACK response and CQI information.
  • This embodiment provides an information multiplexing method.
  • the base station receives the uplink feedback information sent by the terminal equipment, and demultiplexes the uplink feedback information according to the grouping information.
  • the uplink feedback information there is at least one response group to be transmitted generated by the response group.
  • the response information is multiplexed with independent CQI information and then transmitted through at least one CQI channel.
  • FIG. 3 is a flowchart of Embodiment 3 of the information processing method in the multi-carrier mode of the present invention. As shown in FIG. 3, this embodiment provides a specific information multiplexing method. The technical solution of the present invention is described in detail from the perspective of, which specifically may include the following steps:
  • Step 301 The base station generates multiple response packet information, and sends the packet information to the terminal device.
  • the grouping information is specifically generated by the base station and sent to the terminal device, and the response response is specifically an ACK/NACK response.
  • the terminal device sends uplink feedback information to the base station Previously, the base station grouped multiple ACK/NACK responses.
  • the ACK/NACK response is a response that the terminal device feeds back to the base station after receiving the downlink data information sent by the base station, and is a feedback on whether the downlink data transmission is correct or not, where, ACK indicates that the terminal device receives the data correctly, and NACK indicates that the terminal device receives the data incorrectly.
  • the ACK/NACK response is the feedback of the terminal equipment on whether the data sent by the base station is received correctly or not, that is, each ACK/NACK response corresponds to each data sent by the base station, so the base station receives the feedback from the terminal equipment.
  • the situation of the ACK/NACK response to be fed back can be known. Therefore, the grouping of multiple ACK/NACK responses can be actively initiated and executed by the base station, and the base station can generate the grouping information of multiple ACK/NACK responses according to the maximum number of downlink data information that the base station can send to the terminal device. It can be a grouping result or a grouping rule.
  • the grouping result can specifically indicate which ACK/NACK responses are grouped by the terminal device, and the grouping rule is the basis for one or more groupings.
  • the terminal device combines the actual situation with the grouping rule. Perform a grouping process of multiple ACK/NACK responses. Since this embodiment is aimed at the LTE-A system, multiple ACK/NACK responses need to be fed back at the same uplink time, in order to avoid unnecessary transmission on one CQI channel after multiple ACK/NACK responses are multiplexed with CQI information.
  • the base station For data retransmission, in this step, the base station generates multiple ACK/NACK response packet information and sends the packet information to the terminal device. In particular, the packet information can be sent by the base station to the terminal device through dedicated high-level signaling.
  • the base station may first allocate the CQI channel before grouping multiple ACK/NACK responses, and the base station usually notifies the terminal device of the allocated CQI channel through dedicated high-layer signaling.
  • the channel allocation method in the LTE system can still be used, and each downlink component carrier configured to the terminal device can be allocated an independent CQI channel and feedback period parameter, or some Or the CQI information of all downlink component carriers is jointly coded, and then the same CQI channel is allocated to the jointly coded CQI information.
  • the independent CQI information is CQI information transmitted on the same CQI channel after joint coding, and the independent CQI information may only include the CQI information of one downlink component carrier, or it may include the CQI information of multiple downlink component carriers. CQI information.
  • the two independent CQI information are independent of each other, they are coded separately, and are allocated on different CQI channels for transmission.
  • the multiple ACK/NACK responses participating in the grouping may be those of the currently scheduled component carrier ACK/NACK response; for the LTE-A TDD system, multiple ACK/NACK responses participating in grouping can be ACK/NACK responses of the downlink subframe currently scheduled on the component carrier.
  • FIG. 4 in the LTE-A TDD system, 4 component carriers are configured for the terminal device, and the ratio of the number of downlink subframes and the number of uplink subframes of each component carrier is 3:2.
  • a radio frame is taken as an example for illustration.
  • a radio frame contains ten subframes from subframe 0 to subframe 9, and the part of the downlink subframes corresponding to the moments of subframe 0 and subframe 1 are grayed out, and the gray subframe It means that the base station has scheduled the terminal equipment on the downlink subframe at this moment.
  • the base station may only schedule the terminal equipment on some of the downlink component carriers, and schedule on different downlink component carriers at different downlink moments.
  • Terminal Equipment At one uplink moment, for the LTE-A FDD system, one component carrier has only one ACK/NACK response, while for the LTE-A TDD system, one component carrier may have multiple ACK/NACK responses.
  • the ACK/NACK response of subframe 0 and subframe 1 of each component carrier needs to be fed back.
  • two ACK/NACK responses can be fed back at the same time, such as component carrier 0. ;
  • one ACK/NACK response such as component carrier 1 and component carrier 3.
  • It can also feed back zero ACK/NACK responses, such as component carrier 2. Therefore, the ACK/NACK response of the currently scheduled component carrier can be grouped, or the ACK/NACK response of the currently scheduled downlink subframe on the component carrier can be grouped, but due to the component carrier and the downlink subframe scheduled at different times It may be different.
  • the multiple ACK/NACK responses participating in the grouping may be the ACK/NACK responses of all component carriers; for the LTE-A TDD system, the multiple ACK/NACK responses participating in the grouping The response may be the ACK/NACK response of the downlink subframes of all component carriers.
  • the multiple ACK/NACK responses participating in the grouping in this embodiment are the ACK/NACK responses of all component carriers or the ACK/NACK responses of the downlink subframes of all component carriers, for example, subframe 7 in the example in FIG. 4
  • the uplink time is to group the ACK/NACK responses of subframes 0 and 1 of component carriers 0-3.
  • the base station can specifically group multiple ACK/NACK responses according to the following: The terminal device only feeds back the grouping status of multiple ACK/NACK responses in the ACK/NACK response, the number of transmitting antennas, and the corresponding multiple ACK/NACK responses The component carrier where the physical layer downlink control signaling is transmitted in the downlink subframe data transmission. That is, the base station can only feed back the grouping status of multiple ACK/NACK responses when the terminal device only feeds back the ACK/NACK response, and/or the number of transmit antennas, and/or the downlink subframe data transmission corresponding to the multiple ACK/NACK responses.
  • the component carrier where the physical layer downlink control signaling is transmitted is used to group multiple ACK/NACK responses.
  • the multiple ACK/NACK responses can be divided into those with the independent CQI information fed back in the current uplink subframe.
  • the number of groups with the same number, that is, the grouped ACK/NACK response group and the number of independent CQI information fed back in the current uplink subframe are the same. Since the feedback period of CQI information and the CQI channel used for information transmission are all sent by the base station to the terminal equipment through proprietary high-level signaling, both the base station and the terminal equipment can clearly know the feedback on the current uplink subframe.
  • multiple ACK/NACK responses can be grouped according to the number of independent CQI information, and the multiple ACK/NACK responses are divided into multiple ACK/NACK response groups equal to the number of CQI information.
  • the number of grouped ACK/NACK response groups is known, that is, after the number of groups to be divided is known, multiple ACK/NACK responses can be specifically grouped according to preset rules.
  • the preset The rule may be a specific rule set according to actual conditions, such as current channel conditions, etc., and is not the only determined rule.
  • the base station can notify the terminal equipment of the specific grouping results of the ACK/NACK responses corresponding to the number of groups that may be divided through proprietary high-level signaling, and then perform the corresponding ACK/NACK response group number according to the set number of ACK/NACK response groups.
  • ACK/NACK response packet can notify the terminal equipment of the specific grouping results of the ACK/NACK responses corresponding to the number of groups that may be divided through proprietary high-level signaling, and then perform the corresponding ACK/NACK response group number according to the set number of ACK/NACK response groups.
  • each ACK/NACK response group after the grouping generates 1 bit or 1 bit ACK/NACK information to be transmitted, and then the generated ACK/NACK information to be transmitted is transmitted on the corresponding ACK channel allocated for it.
  • DAI Downlink Assignment Index
  • the terminal device can be configured with 1, 2 or 4 transmit antennas, when multiple transmit antennas are configured for the terminal device, the ACK/NACK information and CQI information can be used on different transmit antennas. Transmission is performed on the allocated ACK channel and CQI channel. Taking the configuration of the terminal device with 2 transmitting antennas as an example, the terminal device can transmit one piece of ACK/NACK information to be transmitted and one piece of CQI information at the same time, but one uplink time may contain multiple copies of ACK/NACK information to be transmitted and CQI information.
  • CM Cubic Metric
  • multiple ACK/NACK responses are grouped so that the number of grouped ACK/NACK response groups does not exceed the number of transmitting antennas, so that different ACK/NACK response groups can be in different groups. It can keep low CM while not reducing the scalability of the system.
  • the base station groups multiple ACK/NACK responses according to the component carrier where the physical layer downlink control signaling of the downlink subframe data transmission corresponding to the multiple ACK/NACK responses is transmitted, the transmission on the same component carrier is In the downlink subframes of the physical layer downlink control signaling, the ACK/NACK responses corresponding to the data transmitted on the downlink subframes may be divided into a group.
  • the ACK/NACK responses corresponding to the data transmitted on the downlink subframes may be divided into a group.
  • the ACK/NACK responses corresponding to the data transmitted on the downlink subframes may be divided into a group.
  • the ACK/NACK response can be divided into two groups
  • the ACK/NACK response of the downlink subframe data transmission of the physical layer downlink control signaling on component carrier 0 and component carrier 1 can be divided into one group.
  • the ACK/NACK response of the downlink subframe data transmission of the physical layer downlink control signaling on carrier 3 is divided into another group. Therefore, the terminal device can automatically group the ACK/NACK response according to the component carrier where the physical layer downlink control signaling of the data transmission is located.
  • the grouping situation of multiple ACK/NACK responses, the number of transmitting antennas, and the number of ACK/NACK responses can also be simultaneously based on the grouping situation of multiple ACK/NACK responses when the terminal device only feeds back the ACK/NACK response.
  • /NACK responds to the component carrier where the physical layer downlink control signaling transmission of the corresponding downlink subframe data transmission is located to group multiple ACK/NACK responses into groups of two or three of the three factors.
  • the base station determines the number of physical layer uplink control channels that the terminal device can transmit at the same time according to factors such as the number of transmitting antennas and channel quality; second, the base station determines the physical layer that the terminal device can transmit at the same time For the number of uplink control channels, divide multiple ACK/NACK responses into groups equal to the number of physical layer uplink control channels that the terminal device can transmit at the same time, and notify the terminal device of the grouping information.
  • the terminal device can group multiple ACK/NACK responses according to the above-mentioned grouping information notified by the base station when only ACK/NACK information is fed back and both ACK/NACK information and CQI information are fed back.
  • the base station simultaneously reports the grouping of multiple ACK/NACK responses when the terminal device only feeds back the ACK/NACK response and the member where the physical layer downlink control signaling transmission of the downlink subframe data corresponding to the multiple ACK/NACK responses is transmitted.
  • Carrier, multiple ACK/NACK responses are grouped, and the following steps can be specifically used.
  • the base station transmits the physical layer downlink control signaling of the downlink subframe data corresponding to the multiple ACK/NACK responses according to the component carrier where the physical layer downlink control signaling is transmitted, Perform multiple ACK/NACK responses for grouping, and notify the terminal equipment of the grouping information; secondly, when only ACK/NACK information is fed back and both ACK/NACK information and CQI information are fed back at the same time, the terminal equipment can follow the above-mentioned grouping information notified by the base station Group multiple ACK/NACK responses.
  • the base station simultaneously performs the processing based on the above three factors
  • the following steps can be specifically used to group ACK/NACK responses: First, the base station determines the physical layer uplink that the terminal device can transmit at the same time according to factors such as the number of transmitting antennas and channel quality conditions.
  • the number of control channels determines the number of physical layer uplink control channels that can be simultaneously transmitted by the terminal device, and the physical layer downlink control signaling transmission of the downlink subframe data transmission corresponding to multiple ACK/NACK responses
  • the component carrier divide multiple ACK/NACK responses into groups with the same number of physical layer uplink control channels that the terminal device can transmit at the same time, and notify the terminal device of the grouping information; finally, the terminal device only has ACK/NACK
  • Both information feedback and simultaneous feedback of ACK/NACK information and CQI information can group multiple ACK/NACK responses according to the aforementioned grouping information notified by the base station.
  • Step 302 The terminal device groups multiple response responses according to the grouping information to generate multiple response response groups.
  • the terminal device After the terminal device obtains the grouping information sent by the base station, the terminal device specifically executes the grouping process of multiple ACK/NACK responses according to the grouping information, and generates multiple ACK/NACK response groups.
  • the terminal device obtains multiple ACK/NACK response groups after grouping multiple ACK/NACK responses, and one ACK/NACK response group may contain one or more ACK/NACK responses, and generates corresponding grouping information from the grouping result.
  • the grouping information is specifically the grouping result, the grouping information may include the number of ACK/NACK response groups after grouping, and the largest possible ACK/NACK response included in each ACK/NACK response group, and other related information.
  • the grouping information may also specifically indicate grouping rules.
  • the ACK/NACK response indicating the downlink subframe data transmission of the physical layer downlink control signaling on which component carriers are transmitted can be automatically grouped into one group.
  • Step 303 The terminal device multiplexes the response information to be transmitted generated by the at least one response response group with the CQI information, and transmits the multiplexed information to the base station through the at least one CQI channel.
  • each ACK/NACK response group separately generates ACK/NACK information to be transmitted. If an ACK/NACK response group is generated The ACK/NACK information to be transmitted needs to be multiplexed with the CQI information and then transmitted on the CQI channel.
  • One bit of ACK/NACK information to be transmitted can be generated according to the method used by the LTE TDD system shown in Table 1; ACK/NACK information contained in the group When the number of NACK responses is small, for example, for the LTE-A FDD system, the ACK/NACK information corresponding to the ACK/NACK response can be directly used as the generated ACK/NACK information to be transmitted.
  • the ACK/NACK response is divided into two groups in four settings.
  • the ACK/NACK response of every two downlink component carriers can be grouped into one group.
  • Each ACK/NACK response corresponds to 1-bit ACK/NACK information (when the corresponding downlink data transmission adopts multi-codeword transmission, the ACK or NACK corresponding to each codeword is logically ANDed to obtain 1-bit ACK/NACK information,
  • the so-called logical AND operation means to get ACK if and only if both are ACK, otherwise get NACK), each group generates 2 bits of ACK/NACK information to be transmitted; for terminal equipment configured with 2 downlink component carriers, each The ACK/NACK response of the downlink component carrier is a group, and the ACK/NACK response group is directly transmitted as the generated ACK/NACK information to be transmitted.
  • each ACK/NACK response group is The NACK response corresponds to 1 bit of ACK/NACK information to be transmitted.
  • each ACK/NACK response corresponds to 1 bit ACK/NACK information to be transmitted.
  • Table 1 Mapping table of multiple ACK/NACK responses and ACK/NACK information to be transmitted
  • multiple ACK/NACK responses are mapped into a 2-bit piece of ACK/NACK information to be transmitted, where the first column indicates the number of ACK responses in multiple ACK/NACK responses, and The two columns represent 2-bit ACK/NACK information to be transmitted [b (0), b (1)].
  • "0 or none" in the second row of the first column indicates that there is at least one NACK in multiple ACK/NACK responses or the loss of at least one downlink allocation is detected, that is, there is only one ACK/NACK response in multiple ACK/NACK responses.
  • the number of ACK responses in multiple ACK/NACK responses is marked as "0 or none", indicating that the downlink data transmission has failed, and the corresponding downlink data needs to be equalized.
  • Retransmission is performed, and at this time, the 2-bit ACK/NACK information to be transmitted generated by corresponding mapping of multiple ACK/NACK responses according to the mapping relationship in Table 1 is 00.
  • the value i in the remaining rows of the first column indicates that there are a total of i ACK/NACK responses (0 ⁇ / ⁇ 9, and i is a positive integer), all of which are ACK, and no loss of downlink allocation is detected.
  • an ACK/NACK response refers to ACK/NACK information fed back for data transmission of a downlink subframe. It can be seen from Table 1 above that when the 2-bit ACK/NACK information to be transmitted generated by the mapping is 00, it indicates that there is a downlink subframe data transmission failure this time, and the base station needs to retransmit all scheduled downlink subframe data, and If the number of ACK/NACK responses is greater, the probability that the 1-bit ACK/NACK information to be transmitted is GG is also greater.
  • This embodiment proposes to group multiple ACK/NACK responses in response to this problem, and then multiplex and transmit them, instead of multiplexing and transmitting all ACK/NACK responses as a whole, which greatly reduces After grouping, the probability that the 2-bit ACK/NACK information to be transmitted generated by each ACK/NACK response group is 00, thereby reducing unnecessary information retransmission.
  • the terminal device can perform the ACK/NACK information and CQI information to be transmitted generated by at least one ACK/NACK response group based on the number of divided ACK/NACK response groups and independent CQI information or the number of allocated CQI channels through a preset mapping rule. Multiplexing, and transmitting the multiplexed information on at least one CQI channel.
  • the base station may combine different factors to group multiple ACK/NACK responses.
  • the relationship between the number of divided ACK/NACK response groups and the number of independent CQI information They are all different.
  • the number of the divided ACK/NACK response groups The number is equal to the number of independent CQI information; when the base station only feeds back the ACK/NACK response according to the terminal equipment, the grouping situation of multiple ACK/NACK responses, and/or the number of transmit antennas, and/or multiple ACK/NACK
  • the number of divided ACK/NACK response groups may be greater than, equal to, or less than the independent CQI information The number of.
  • each ACK/NACK response group can be mapped to generate 1 bit or 1 bit of to-be-transmitted ACK/NACK information.
  • the ACK/NACK response group can be mapped to generate 2 bits according to the mapping relationship shown in Table 1.
  • the ACK/NACK information to be transmitted is then multiplexed with the corresponding independent CQI information and then transmitted on the corresponding allocated CQI channel. That is, through the mapping of ACK/NACK response groups to independent CQI information, each ACK/NACK response group is multiplexed with an independent CQI information, and the uplink feedback information generated after each multiplexing is in the corresponding CQI
  • the corresponding CQI channel may be a channel allocated for independent CQI information for generating the uplink feedback information. For example, FIG.
  • the ACK/NACK information to be transmitted generated by the first ACK/NACK response group may be It is multiplexed with the first independent CQI information and then transmitted on the assigned CQI channel, where.
  • the ACK/NACK information to be transmitted is multiplexed with the first quantity of independent CQI information in a one-to-one mapping manner, and the uplink feedback information generated after multiplexing is respectively transmitted on the CQI channel allocated for the independent CQI information;
  • the ACK/NACK responses of the second number of ACK/NACK response groups are respectively transmitted on the ACK channel allocated for the ACK/NACK response group.
  • the first quantity is the number of independent CQI information N ⁇
  • the second quantity is the difference U CQI between the number of ACK/NACK response groups and the number of independent CQI channel quality indication information. That is, select the first number of ACK/NACK response groups from all divided ACK/NACK response groups, and map the first number of ACK/NACK response groups to independent CQI information, and the selected first number of ACK/NACK
  • the ACK/NACK information generated by the response group is multiplexed with the first number of independent CQI information, and then after the first number of ACK/NACK response groups are selected, the remaining second number of ACK/NACK response groups are obtained, and the remaining second number of ACK/NACK response groups are obtained.
  • the ACK/NACK information generated by the two ACK/NACK response groups is respectively transmitted on the ACK channel allocated for the ACK/NACK response group.
  • the first number of ACK/NACK response groups for the sake of simplicity, it may be specified that the first number of ACK/NACK response groups located at the front or the first number of ACK/NACK response groups located at the bottom are always selected.
  • the first number can be specifically N ⁇
  • the second number can be specifically N g ... ⁇ _N
  • the divided N ⁇ ACK/NACK response groups can be divided into the to-be-transmitted ACK/NACK information generated separately
  • the remaining (N gmup _ N CQ1 ) ACK/NACK response groups are processed on the assigned ACK channel according to the processing method when only ACK/NACK information is fed back.
  • Transmission that is , the to-be-transmitted ACK/NACK information generated by (N gr -N CQI ) ACK/NACK response groups is transmitted on the allocated ACK channel.
  • the number of divided ACK/NACK response groups is greater than the number of independent CQI information, that is ⁇ CQI
  • the number of CQI channels allocated for independent CQI information is equal to the number of ACK/NACK response groups
  • group the ACK/NACK response groups after grouping multiple ACK/NACK responses, group the ACK/NACK response groups to generate ACK/NACK for transmission
  • the information is multiplexed with the CQI information, and the uplink feedback information generated after the multiplexing is transmitted in a one-to-one mapping manner on the CQI channel, and the independent CQI information is pre-configured on the CQI channel.
  • the ACK/NACK information to be transmitted generated by each ACK/NACK response group is multiplexed with the configured independent CQI information on the corresponding CQI channel for transmission.
  • the number of CQI channels allocated by the base station to the terminal equipment through high-level dedicated signaling is equal to the number of divided ACK/NACK response groups.
  • one independent CQI information can occupy multiple groups at the same time.
  • the CQI channel is transmitted by, for example, transmit diversity.
  • the ACK/NACK information to be transmitted generated by each ACK/NACK response group can be multiplexed with the CQI information and then multiplexed in the corresponding CQI channel ⁇ Transfer.
  • the third information is multiplexed with three schematic embodiments, shown in Figure 7, the base station for the terminal device is assigned a ⁇ ⁇ CQI channel, wherein the 0th to _ The 2 independent CQI information is configured for transmission on the 0th ⁇ _ 2nd CQI channel allocated respectively, and the N _1th independent CQI information is configured for transmission on the allocated- ⁇ U CQI channel.
  • the ACK/NACK information to be transmitted generated in response to the ⁇ th ACK/NACK group can be placed in the assigned first
  • the CQI channel is multiplexed with CQI information for transmission, where Q ⁇ i ⁇ N .
  • the NACK information is multiplexed with an independent CQI information, and the uplink feedback information generated after multiplexing is transmitted on the CQI channel allocated for the independent CQI information; the ACK/NACK information to be transmitted that is not generated with the ACK/NACK response group is transmitted
  • the multiplexed independent CQI information is transmitted on the CQI channel allocated for the independent CQI information.
  • FIG. 8 is a schematic diagram of the fourth information multiplexing in the third embodiment of the information processing method in the multi-carrier mode of the present invention. As shown in FIG.
  • the''th group (Q ⁇ i ⁇ N ) ACK/NACK response is generated
  • the to-be-transmitted ACK/NACK information is multiplexed with the ⁇ th independent CQI information , and then transmitted on the allocated 7th CQI channel, and the _/ ⁇ th (N group ⁇ j ⁇ N CQI _ 1) independent CQI
  • the information is transmitted solely on the allocated CQI channel.
  • the ACK/NACK information to be transmitted generated by the ACK/NACK response group and the independent CQI information are multiplexed in a one-to-many mapping manner, and the multiplexed response is generated
  • the uplink feedback information is transmitted on the CQI channel allocated for independent CQI information.
  • each ACK/NACK response group is multiplexed with the mapped independent CQI information, and the multiplexed information is stored in the CQI channel allocated for independent CQI information Transfer on.
  • FIG. 9 is a schematic diagram of the fifth information multiplexing in the third embodiment of the information processing method in the multi-carrier mode of the present invention. As shown in FIG.
  • the ⁇ th ( 0 ⁇ i ⁇ U) ACK/NACK response group is generated
  • the ACK/NACK information to be transmitted is multiplexed with the 7th independent CQI information and then transmitted on the allocated 7th CQI channel.
  • the 1st ACK/NACK response group generated by the ACK/NACK response group is to be transmitted
  • the ACK/NACK information is multiplexed with the independent CQI information (_ ⁇ j ⁇ N cQ "Y) and then transmitted on the allocated CQI channel.
  • Figure 9 shows only one possible information complex in this embodiment Way of use, Those skilled in the art can understand that the one-to-many mapping between the to-be-transmitted ACK/NACK information generated by the ACK/NACK response group and the independent CQI information in this embodiment may also include multiple, such as grouping the first group ( 0 ⁇ ⁇ U)
  • the ACK/NACK information to be transmitted generated in the ACK/NACK response is multiplexed with the "th independent CQI information" and then transmitted on the assigned ⁇ th CQI channel, and the kth ACK/NACK response group is generated
  • the to-be-transmitted ACK/NACK information is multiplexed with the independent CQI information (_ Y ⁇ j ⁇ N cQ "Y) and then transmitted on the allocated CQI channel, where
  • the two pieces of information can be combined in a sequential manner for multiplexing, for example, the i-th
  • the ACK/NACK information to be transmitted generated in response to each ACK/NACK group corresponds to the i-th independent CQI information; it is also possible to use a random manner to correspond the two pieces of information together for multiplexing, for example, the i-th ACK/NACK group
  • the ACK/NACK information to be transmitted generated in the response corresponds to the j-th independent CQI information, where the values of i and j are different.
  • the multiplexing the response information to be transmitted generated by the at least one response response group with independent channel quality indicator information, and transmitting the uplink feedback information generated by the multiplexing to the base station through the at least one channel quality indicator channel includes:
  • the above step 303 may include: multiplexing the response information to be transmitted generated by the at least one response response group and the independent CQI information according to the number of response response groups and the independent CQI information fed back at the current uplink time, and multiplexing
  • the generated uplink feedback information is transmitted to the base station through at least one CQI channel.
  • different independent CQ I information can be configured to be fed back at different uplink moments, and the number of independent CQ I information that is configured to be fed back at different uplink moments can also be different.
  • the number of independent CQI information is the number of independent CQI information configured to be fed back at the current uplink moment.
  • the terminal device According to the number of divided ACK/NACK response groups and the number of independent CQI information, the terminal device generates at least one ACK/NACK response group to be transmitted through a preset mapping rule Multiplexing ACK/NACK information and CQI information and transmitting the multiplexed information on at least one CQI channel means: according to the number of divided ACK/NACK response groups and the independent CQI configured to be fed back at the current uplink time Regarding the size relationship of the number of information, one of the specific multiplexing methods described above is selected for multiplexing.
  • the transmitting antenna may include a first transmitting antenna and a second transmitting antenna, wherein the maximum transmitting power of the first transmitting antenna is greater than the maximum transmitting power of the second transmitting antenna,
  • the second transmitting antenna is used to transmit the ACK channel that is generated by the ACK/NACK response group to be transmitted and the ACK channel that is solely occupied by the ACK/NACK information or the CQI channel that is independently occupied by the independent CQI information. Both the ACK channel and the CQI channel belong to the uplink control channel. It can be seen from the above description that when the number of divided ACK/NACK response groups is not equal to the number of independent CQI information, the ACK/NACK information and CQI information can only be multiplexed on part of the uplink control channel for transmission, and the rest Only CQI information or ACK/NACK information is transmitted on the uplink control channel.
  • the terminal device has two transmitting antennas and the maximum transmitting power is 23dBm and 20dBm respectively, that is, the first transmitting antenna in this embodiment can correspond to the transmitting antenna with a transmitting power of 23dBm.
  • the second transmitting antenna may correspond to a transmitting antenna with a transmitting power of 20 dBm.
  • the first transmit antenna with a higher maximum transmit power can be used to transmit uplink control channels multiplexed with ACK/NACK information and CQI information
  • the second transmit antenna with a lower maximum transmit power can be used to transmit only ACK/NACK Uplink control channel for information or CQI information.
  • the specific multiplexing mode of the ACK/NACK information to be transmitted and the CQI information on the CQI channel can be the information multiplexing mode of the LTE system, that is, in the short cyclic prefix subframe structure, the ACK/NACK information to be transmitted
  • the NACK information is transmitted on the second pilot OFDM symbol of each time slot of the CQI channel.
  • the 1-bit or 1-bit ACK/NACK information and the CQI information are jointly encoded and then transmitted on the CQI channel.
  • the information multiplexing manner in the following embodiments may also use the above-mentioned similar information multiplexing manner, which will not be described in detail in the following.
  • the base station may also be the terminal in the configured downlink component carrier.
  • the end device chooses to configure a primary downlink component carrier.
  • the base station may notify the terminal device system information through the primary downlink component carrier, activate a newly configured component carrier, or deactivate an already configured component carrier.
  • the corresponding ACK/NACK response transmission requires more reliable performance.
  • the corresponding CQI information is allocated Channel transmission, as shown in the information multiplexing mode shown in Figure 6, preferably divide the ACK/NACK response corresponding to the downlink data transmission of the primary downlink component carrier into the second number of ACK/NACK response groups, that is, the partial group ACK/NACK response group.
  • the NACK response When the NACK response is grouped, it does not include the ACK/NACK response corresponding to the downlink data transmission of the primary downlink component carrier, which can provide more reliable performance for the ACK/NACK response transmission corresponding to the downlink data transmission of the primary downlink component carrier.
  • the response response may also include scheduling request indication information, that is, in addition to ACK/NACK information and CQI information, the uplink control information in this embodiment may also include scheduling request indication (Schedul ing Reques t Indica tor; hereinafter referred to as: SRI) information.
  • SRI scheduling request indication
  • SRI information can be transmitted on the allocated SRI channel.
  • the value of the SRI information includes two states of scheduling request (Posit ive SR) and no scheduling request (Nega t ive SR), that is, with/without scheduling request.
  • one SRI information can also be used as an ACK/NACK response
  • Pos it ive SR and Nega t ive SR can be mapped to ACK and NACK respectively.
  • one SRI information can be processed as one ACK/NACK response, that is, the SRI information can be included in the grouped multiple ACK/NACK responses,
  • the SRI information and multiple ACK/NACK responses are grouped together, and the grouped at least one ACK/NACK response group of to-be-transmitted ACK/NACK information is multiplexed with the CQI information on at least one allocated CQI channel for transmission.
  • the information multiplexing mode shown in FIG. 6 preferably divides the SRI information into the second In the number ACK/NACK response group, that is, part of the ACK/NACK response does not include the SRI information processed as an ACK/NACK response when grouping, which can improve the efficiency of the system for information processing and increase the throughput of the system.
  • Step 304 The base station receives the uplink feedback information sent by the terminal equipment, and demultiplexes the uplink feedback information according to the grouping information.
  • the terminal equipment After the terminal equipment multiplexes the ACK/NACK information with the CQI information, it transmits the uplink feedback information generated by the multiplexing to the base station through the CQI channel or the ACK channel.
  • the grouping information generated by itself demultiplexes the uplink feedback information, and the mapping relationship shown in Table 1 can be combined at the same time to obtain the content of the ACK/NACK response sent by the terminal device, that is, ACK or NACK.
  • the base station obtains the ACK/NACK response fed back by the terminal device during demultiplexing to learn whether the terminal device correctly receives the downlink data information sent by the base station. If it is not received correctly, the base station needs to retransmit the downlink data information to the terminal device.
  • This embodiment provides an information multiplexing method.
  • the base station groups multiple ACK/NACK responses according to one or a combination of multiple factors to generate corresponding grouping information, and the base station passes the generated grouping information through
  • the high-level dedicated signaling is delivered to the terminal device, and the terminal device performs specific grouping steps for multiple ACK/NACK responses according to the grouping information, and combines at least one ACK/NACK among the multiple ACK/NACK responses generated after grouping
  • the ACK/NACK information to be transmitted generated by the response group is multiplexed with the CQI information, and the multiplexed information is transmitted on at least one CQI channel.
  • the base station decodes the information corresponding to the information multiplexing mode used by the terminal equipment.
  • the multiplexing mode demultiplexes the received multiplexing information, and then accurately receives the ACK/NACK response.
  • This embodiment realizes that the information multiplexed with multiple ACK/NACK information and independent CQI information is flexibly and efficiently transmitted on multiple CQI channels allocated for CQI information, which reduces many unnecessary information retransmissions, and greatly improves Up the downstream throughput.
  • FIG. 10 is a schematic structural diagram of Embodiment 1 of a terminal device of the present invention.
  • this embodiment provides a terminal device, which may specifically include a grouping module 1001 and a multiplexing module 1002.
  • the grouping module 1001 is configured to group multiple response responses according to the grouping information, and generate multiple response responses.
  • the multiplexing module 1002 is used to multiplex the to-be-transmitted response information generated by at least one of the multiple response groups generated by the grouping module 1001 with independent CQI information, and to multiplex the generated uplink feedback
  • the information is transmitted to the base station through at least one CQI channel.
  • the terminal device provided in this embodiment may further include a receiving module 1003, and the receiving module 1003 is configured to receive the grouping information generated and sent by the base station.
  • the response response may specifically be an ACK/NACK response
  • the response information to be transmitted may specifically be ACK/NACK information to be transmitted.
  • FIG. 11 is a schematic structural diagram of the second embodiment of the terminal device of the present invention. As shown in FIG. 11, this embodiment is based on the terminal device embodiment shown in FIG. 10, when the divided ACK/NACK response is When the number of groups is equal to the number of independent channel quality indication information, the multiplexing module 1002 may specifically include a first multiplexing unit 1012, and the first multiplexing unit 1012 is configured to transmit each ACK/NACK response group generated to be transmitted.
  • the ACK/NACK information and the independent CQI information are multiplexed in a one-to-one mapping manner, and the uplink feedback information generated after the multiplexing is respectively transmitted on the CQI channel allocated for the independent CQI information.
  • FIG. 12 is a schematic structural diagram of Embodiment 3 of a terminal device of the present invention. As shown in FIG. 12, this embodiment is based on the terminal device embodiment shown in FIG. 10, when the divided ACK/NACK group
  • the multiplexing module 1002 may specifically include a second multiplexing unit 1022 and a third multiplexing unit 1032. Wherein, the second multiplexing unit 1022 is used to multiplex the ACK/NACK information to be transmitted generated by the first number of ACK/NACK response groups and the first number of independent CQI information in a one-to-one mapping manner, and to multiplex the generated
  • the uplink feedback information is respectively transmitted on the CQI channel allocated for independent CQI information.
  • the third multiplexing unit 1032 is configured to transmit the ACK/NACK responses generated by the second number of ACK/NACK response groups on the ACK channels allocated for the ACK/NACK response groups, respectively.
  • the first quantity is specifically the number of independent CQI information
  • the second quantity is specifically the difference between the number of ACK/NACK response groups and the number of independent CQI information.
  • FIG. 13 is a schematic structural diagram of Embodiment 4 of a terminal device of the present invention. As shown in FIG. 13, this embodiment is based on the terminal device embodiment shown in FIG. 10, when the divided ACK/ The number of NACK response groups is greater than the number of independent CQI information, and is the CQI channel allocated for independent CQI information When the number of is equal to the number of ACK/NACK response groups, the multiplexing module 1002 may specifically include a fourth multiplexing unit 1042.
  • the fourth multiplexing unit 1042 is configured to multiplex the to-be-transmitted ACK/NACK information generated by each ACK/NACK response group with independent CQI information, and map the uplink feedback information generated after multiplexing on the CQI channel according to one-to-one mapping
  • the independent CQI information is pre-configured on the CQI channel.
  • FIG. 14 is a schematic structural diagram of Embodiment 5 of a terminal device of the present invention. As shown in FIG. 14, this embodiment is based on the terminal device embodiment shown in FIG. 10, when the divided ACK/NACK response is When the number of groups is less than the number of independent CQI information, the multiplexing module 1002 may specifically include a fifth multiplexing unit 1052 and a sixth multiplexing unit 1062.
  • the fifth multiplexing unit 1052 is configured to multiplex the ACK/NACK information to be transmitted generated by each ACK/NACK response group with an independent CQI information, and the uplink feedback information generated after multiplexing is the independent CQI information Transmission is performed on the allocated CQI channel.
  • the sixth multiplexing unit 1062 is used to transmit the independent CQI information that is not multiplexed with the ACK/NACK information to be transmitted generated in the ACK/NACK response group on the CQI channel allocated for the independent CQI information.
  • FIG. 15 is a schematic structural diagram of Embodiment 6 of a terminal device of the present invention. As shown in FIG. 15, this embodiment is based on the terminal device embodiment shown in FIG. 10, when the divided ACK/NACK response is When the number of groups is less than the number of independent CQI information, the multiplexing module 1002 may specifically include a seventh multiplexing unit 1072, and the seventh multiplexing unit 1072 is configured to combine the ACK/NACK information to be transmitted generated by the ACK/NACK response group with The independent CQI information is multiplexed in a one-to-many mapping manner, and the uplink feedback information generated after multiplexing is transmitted on the CQI channel allocated for the CQI information.
  • This embodiment provides a terminal device.
  • a grouping module and a multiplexing module terminal By setting a grouping module and a multiplexing module terminal, multiple response responses are grouped according to the obtained grouping information, and the waiting response group generated by at least one of the multiple response response groups is
  • the transmission response information is multiplexed with independent CQI information, and the uplink feedback information generated by the multiplexing is transmitted to the base station through at least one CQI channel.
  • This embodiment realizes the grouping of the response response, and multiple response responses generated after the grouping
  • the response information generated by the group and the information multiplexed with independent CQI information are flexibly and efficiently transmitted on the multiple CQI channels allocated for the CQI information, which reduces many unnecessary information retransmissions and greatly improves the downlink throughput.
  • FIG. 16 is a schematic structural diagram of an embodiment of a base station of the present invention. As shown in FIG. 11, this embodiment provides a base station, which may specifically include a receiving module 1601 and a demultiplexing module 1602, where the receiving module 1601 is used to receive transmissions from terminal equipment.
  • the demultiplexing module 1602 is used to demultiplex the uplink feedback information received by the receiving module 1601 according to the grouping information, and in the uplink feedback information, at least one of the response response groups generated by the response group to be transmitted is related to the independent CQI
  • the information is multiplexed and transmitted through at least one CQI channel.
  • the grouping information can be a grouping rule pre-configured by the system, and the base station does not need to participate in the grouping process of the response response.
  • the terminal device can directly obtain the grouping rule through the system for grouping.
  • the uplink feedback information can be demultiplexed according to the grouping rule grouping information.
  • the grouping information may also be a grouping result or grouping rule sent by the base station.
  • the base station groups the response response according to the downlink control information sent to the terminal device, and sends the generated grouping information to the terminal device to perform a specific grouping process.
  • the uplink feedback information is demultiplexed according to the grouping result or the grouping rule.
  • the response response may specifically be an ACK/NACK response
  • the uplink feedback information may be information obtained by multiplexing the ACK/NACK response and CQI information.
  • the base station provided in this embodiment may further include a grouping information generating module 1603, and the grouping information generating module 1603 is configured to generate grouping information of multiple response responses, and send the grouping information to the terminal device.
  • This embodiment provides a base station.
  • the uplink feedback information sent by the terminal device is received, and the uplink feedback information is demultiplexed according to the grouping information, and there is at least one response response in the uplink feedback information.
  • the response information to be transmitted generated by the group is multiplexed with independent CQI information and then transmitted through at least one CQI channel.

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Abstract

L'invention concerne, selon des modes de réalisation, un procédé et un appareil de traitement d'informations en mode multi-porteuse, le procédé comprenant les étapes suivantes : regroupement d'une pluralité de réponses d'accusé de réception compte tenu d'informations de regroupement, et génération d'une pluralité de groupes de réponses d'accusé de réception; multiplexage des informations d'accusé de réception à transmettre générées par au moins un groupe de réponses d'accusé de réception avec des informations d'indication de qualité de canal indépendantes; et transmission à une station de base, par au moins un canal d'indication de qualité de canal, des informations de retour d'information sens montant générées par le multiplexage. L'appareil comprend un module de regroupement et un module de multiplexage. L'invention concerne également, selon des modes de réalisation, une station de base. L'invention permet le multiplexage souple et efficace d'une pluralité d'informations ACK/NACK avec des informations d'indication de qualité de canal (CQI) et leur transmission sur une pluralité de canaux CQI réservés aux informations CQI, d'où une réduction des retransmissions inutiles d'informations et une augmentation du débit sens descendant.
PCT/CN2010/075336 2009-08-18 2010-07-21 Procédé et appareil de traitement d’informations en mode multiporteuse Ceased WO2011020396A1 (fr)

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KR20210040440A (ko) * 2018-08-10 2021-04-13 지티이 코포레이션 채널 품질 표시자 피드백 향상 방법, 장치, 시스템, 사용자 기기 및 기지국
KR102511738B1 (ko) * 2018-08-10 2023-03-17 지티이 코포레이션 채널 품질 표시자 피드백 향상 방법, 장치, 시스템, 사용자 기기 및 기지국
US11870568B2 (en) 2018-08-10 2024-01-09 Zte Corporation Channel quality indicator feedback enhancement method, device and system, user equipment, and base station

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