WO2014019541A1 - 上行控制信息(uci)的传输方法和设备 - Google Patents
上行控制信息(uci)的传输方法和设备 Download PDFInfo
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- WO2014019541A1 WO2014019541A1 PCT/CN2013/080700 CN2013080700W WO2014019541A1 WO 2014019541 A1 WO2014019541 A1 WO 2014019541A1 CN 2013080700 W CN2013080700 W CN 2013080700W WO 2014019541 A1 WO2014019541 A1 WO 2014019541A1
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- bits
- csi
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- ack
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Classifications
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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- 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
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- 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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a method and a device for transmitting uplink control information (UCI).
- UCI uplink control information
- the peak rate is required to reach 1 Gbps downstream and 500 Mbps upstream, which is a huge improvement over the LTE (Long Term Evolution) system.
- CA carrier aggregation
- Each cell can be a member carrier, and cells (member carriers) under different eNBs cannot be aggregated. In order to ensure compatibility with UEs in the LTE system, each carrier does not exceed 20 MHz at most.
- the UCI Uplink Control Information
- 3 ⁇ 4 down the UCI (Uplink Control Information) is described: 3 ⁇ 4 down.
- the UCI includes ACK/NACK (ACKnowledgement/Non-ACKnowlegement) information, periodic CSI (Channel State Information), and SR (Scheduling Request) information.
- ACK/NACK acknowledgement/Non-ACKnowlegement
- periodic CSI Channel State Information
- SR Service Request
- the periodic CSI includes: RI ( Rank Indicator) information, CQI (Channel Quality Indicator) information, and PMI (Precoding Matrix). Indicator, precoding matrix indication) information, and PTI (Precoder Type Indication) information.
- a PUCCH (Physical Uplink Control Channel) format 3 is defined for transmitting multi-bit ACK/NACK information of multiple aggregated carriers.
- PUCCH format 3 has a maximum transmission capacity of 22 bits and supports up to 20-bit ACK/NACK and 1-bit SR joint coding transmission.
- the ACK/NACK information of the multi-carrier is not supported and the periodic CSI is transmitted simultaneously in the PUCCH. If the ACK/NACK and the periodic CSI of the multi-carrier are simultaneously present in the current subframe, the ACK/NACK is transmitted only on the PUCCH. , discard CSI.
- the CSI of the carrier with a high CSI Reporting Type priority is selected according to the pre-defined CSI reporting type priority, wherein the highest priority Reporting Types are type 3, 5, 6, and 2a, followed by type 2, 2b, 2c, and 4.
- the lowest priority Reporting Types are type 1 and la, and each CSI reporting type has a corresponding CSI in different reporting modes (Reporting Mode).
- the reported content and the bit are as shown in Table 1.
- Each active carrier of the UE reports only one reporting type according to the currently configured reporting type and specific status in one uplink subframe. If multiple carriers have the same Reporting Type priority at the same time, the CSI of the reported minimum carrier is further selected according to the carrier number.
- Table 1 CSI reporting type corresponding CSI report content and bits in different reporting modes Reporting Modes
- bits/BP bits/BP
- bits/BP bits/BP
- bits/BP bits/BP
- bits/BP bits/BP
- Sub-band RI 1 NA 4+L NA 4+L
- Bits/BP indicates the number of reported bits per Bandwidth Part; CQI/PMI is divided into Wideband CQI/PMI and Sub-band CQI/PMI; antenna ports are antenna ports; layer is transmission
- the spatial multiplexing indicates spatial multiplexing; NA indicates that the reporting type is not supported in the corresponding reporting mode; L is the sub-band identification information of the selected sub-band, and the maximum is 2 bits.
- the UCI transmission enhancement study is carried out to avoid the excessive drop of CSI and affect the downlink scheduling of the eNB.
- the PUCCH format 3 is also used to simultaneously transmit multi-carrier ACK/NACK and 1 carrier.
- the periodic CSI when there is an SR, can also support simultaneous transmission with a 1-bit SR. Summary of the invention
- the embodiment of the present invention provides a method and a device for transmitting uplink control information (UCI), which can solve the problem that the specific transmission bits of the ACK/NACK and the CSI cannot be accurately determined in the prior art solution, and therefore cannot guarantee that the maximum number of bearers is not exceeded. In the case of simultaneous transmission of ACK/NACK and CSI.
- UCI uplink control information
- an embodiment of the present invention provides a method for transmitting uplink control information (UCI), including at least the following steps: feedback bit number B min and/or maximum feedback bit number B
- UCI uplink control information
- the terminal device When the terminal device determines that the result is C > AB min , the terminal device generates ACK/NACK feedback information of the B max bit, and transmits the generated ACK/ on the corresponding channel resource in the current subframe. NACK feedback information;
- the terminal device When the judgment result of the terminal device is C AB max , the terminal device generates ACK/NACK feedback information of B max bits and CSI feedback information of C bits, and simultaneously transmits on the corresponding channel resources in the current subframe.
- the terminal device When the judgment result of the terminal device is other conditions, the terminal device generates C-bit CSI feedback information, and performs spatial combining on the ACK/NACK feedback information of all or part of the multi-codeword downlink carrier, in the current sub- Transmitting the generated spatially combined ACK/NACK feedback information and the CSI feedback information on the corresponding channel resource in the frame, where the number of bits of the spatially combined ACK/NACK feedback information does not exceed the value of AC .
- an embodiment of the present invention further provides a terminal device, including:
- a determining module configured to determine a minimum feedback bit number B min and/or a maximum feedback bit number B of the ACK/NACK in the current subframe
- a judging module configured to select a downlink carrier, and determine a number of feedback bits C for determining, corresponding to a CSI reporting type of the downlink carrier, a threshold number A of simultaneous transmissions with UCI in the current subframe, and the B mh The relationship between ⁇ W or B max ;
- a processing module configured to: when the judgment result of the determining module is C > AB min , generate ACK/NACK feedback information of B max bits, and transmit the generated ACK on a corresponding channel resource in the current subframe /NACK feedback information;
- the B max bit ACK/NACK feedback information and the C bit CSI feedback information are generated, and the generated channel is simultaneously transmitted on the corresponding channel resource in the current subframe.
- an embodiment of the present invention further provides a method for transmitting uplink control information (UCI), including the following steps:
- the base station selects a downlink carrier, and determines a CSI reporting type of the downlink carrier.
- the base station determines that the terminal device transmits the B max bit ACK/NACK feedback information in the current subframe, and on the corresponding channel resource in the current subframe, according to the Determining the number of feedback information bits to receive ACK/NACK feedback information transmitted by the terminal device;
- the base station determines that the terminal device transmits B max bit ACK/NACK feedback information and C bit CSI feedback information in the current subframe, and is in the current subframe. And correspondingly receiving, according to the determined number of feedback information bits, ACK/NACK feedback information and CSI feedback information transmitted by the terminal device;
- the base station determines that the terminal device transmits C-bit CSI feedback information in the current subframe, and determines ACK/NACK feedback that the terminal device transmits in the current subframe.
- the number of bits of the information is the number of bits in which the ACK/NACK feedback information of the downlink carrier transmitted by all or part of the multi-codeword is spatially combined, and the number of bits of the feedback information determined according to the determined channel resource in the current subframe And receiving the ACK/NACK feedback information and the CSI feedback information of the spatially combined ACK/NACK feedback information, where the number of bits of the spatially combined ACK/NACK feedback information does not exceed the value of the AC.
- an embodiment of the present invention further provides a base station, including:
- a determining module configured to determine a minimum feedback bit number B min and/or a maximum feedback bit number B of the ACK/NACK fed back by the terminal device in the current subframe
- a judging module configured to select a downlink carrier, and determine a number C of feedback bits corresponding to the CSI reporting type of the downlink carrier, and simultaneously transmit the UCI in the current subframe a threshold number of bits A, and a relationship between the B min and/or B max ;
- a processing module configured to: when the judgment result of the determining module is C > AB min , determine that the terminal device transmits B max bits of ACK/NACK feedback information in a current subframe, and corresponding channels in the current subframe The ACK/NACK feedback information transmitted by the terminal device is received according to the determined number of feedback information bits;
- the terminal device When the determining result of the determining module is C AB max , determining that the terminal device transmits B max bits of ACK/NACK feedback information and C bits of CSI feedback information in a current subframe, and corresponding to the current subframe. And receiving, according to the determined number of feedback information bits, ACK/NACK feedback information and CSI feedback information transmitted by the terminal device;
- the number of bits is the number of bits in which the ACK/NACK feedback information of the downlink carrier transmitted by all or part of the multi-codeword is spatially combined, and the corresponding channel resources in the current subframe are simultaneously received according to the determined number of feedback information bits.
- an ACK/NACK and a ACK/NACK are simultaneously transmitted on a channel resource corresponding to a current subframe.
- the periodic CSI method dynamically determines the ACK/NACK transmitted simultaneously in the current subframe according to the number of threshold bits simultaneously transmitted by the UCI in the current subframe, and the maximum number of feedback bits and the minimum number of feedback bits of the ACK/NACK in the current subframe.
- the bit and the CSI bit are used to ensure that the sum of the UCI bits transmitted simultaneously does not exceed the number of threshold bits simultaneously transmitted by the UCI in the current subframe, and ACK/NACK combining and CSI discarding are avoided as much as possible, thereby ensuring the maximum uplink information transmission. Accuracy and completeness. BRIEF DESCRIPTION OF THE DRAWINGS
- FIG. 1 is a schematic diagram of an application scheme of a CA technology in the prior art
- FIG. 2 is a schematic flowchart of a UCI transmission method according to an embodiment of the present invention
- FIG. 3 is a schematic flowchart of a UCI transmission method according to Embodiment 1 of the present invention
- FIG. 4 is a schematic flow chart of a UCI transmission method according to Embodiment 2 of the present invention.
- FIG. 5 is a schematic flowchart of a UCI transmission method according to Embodiment 3 of the present invention.
- FIG. 6 is a schematic flowchart of a UCI transmission method according to Embodiment 4 of the present invention.
- FIG. 8 is a schematic structural diagram of a base station according to an embodiment of the present invention.
- the maximum number of bearers in PUCCH format 3 is 22. According to Table 1, the maximum number of CSIs per carrier is 11. When ACK/NACK and periodic CSI are transmitted, how to determine the specific ACK/NACK and CSI. It is a problem that needs to be solved to transmit bits to ensure that the maximum number of bearer bits of format3 is not exceeded, but no clear solution has been proposed in the prior art.
- PUCCH format 3 is supported to simultaneously transmit ACK/NACK information of multiple aggregated carriers and periodic CSI of one carrier, but at the same time, it is not clear at the time of transmission.
- the 7-bit bit division method of ACK/NACK and CSI In order to overcome such a defect, the embodiment of the present invention provides a UCI transmission method, for a UE that supports a PUCCH format3 transmission scheme and supports multi-carrier ACK/NACK and periodic CSI to be simultaneously transmitted on the PUCCH, according to the current subframe.
- the maximum number of feedback bits A for transmitting a plurality of UCIs and the maximum feedback bit number B max and the minimum feedback bit number B min of the ACK/NACK in the current subframe dynamically determine ACK/NACK bits and CSI bits simultaneously transmitted in the current subframe. To meet the requirement that the sum of the number of transmitted bits does not exceed A.
- FIG. 2 it is a schematic flowchart of a method for transmitting a UCI according to an embodiment of the present invention, where the method specifically includes the following steps:
- Step S201 The terminal device determines the minimum feedback bit number B mh ⁇ W or the maximum feedback bit number B of the ACK/NACK in the current subframe.
- processing of this step specifically includes:
- the terminal device determines, according to the configured number of carriers N, and the number of downlink subframes ⁇ '' on each carrier i that needs to perform ACK/NACK feedback in the current subframe, according to the following formula
- the terminal device determines, according to the configured carrier number N, the transmission mode of each configured carrier, and the number of downlink subframes ⁇ ' ⁇ on each carrier i that needs to perform ACK/NACK feedback in the current subframe, according to the following formula, B max :
- the value rule of G specifically includes:
- Step S202 the terminal device selects a downlink carrier, and determines the number of feedback bits C for determining the channel state information CSI reporting type of the downlink carrier, and the number of threshold bits A transmitted simultaneously with the UCI in the current subframe. And the relationship between the and/or Bmax .
- step S203 is performed;
- step S204 is performed;
- step S205 is performed, where the number of threshold bits A is a pre-agreed value or a value notified by high layer signaling or physical downlink control channel PDCCH signaling, where A is a positive integer, and the maximum number of bearers of the uplink transmission scheme used by A for the simultaneous transmission of ACK/NACK feedback information and CSI feedback information in the current subframe, or the maximum number of bearers and the SR bits of the uplink transmission scheme. The difference between the numbers.
- Case 1 The terminal device selects a downlink carrier, and determines a relationship between the actual feedback bit numbers C real and A of the downlink carrier CSI reporting type, and B min and/or B max ; that is, at this time, C The actual feedback bit number of the CSI reporting type of the downlink carrier. ⁇ .
- Case 2 the terminal device selects a downlink carrier, and determines the downlink carrier.
- C is the CSI reported by the maximum downlink carrier corresponding to the type Feedback bit number Cty pe _ max °
- the maximum number of feedback bits Q ⁇ -max corresponding to the CSI reporting type is specifically:
- the current configuration specifically includes information such as a CSI feedback mode and/or an antenna port configuration.
- the CSI report type corresponding to the maximum number of feedback bits c type - max actual number of feedback bits.
- the value of A is a predefined value (no signaling is required) or a value that is signaled through a high layer signaling or a Physical Downlink Control Channel (PDCCH), and the value is not exceeded. Any positive integer of the difference between the maximum number of bearer bits of the PUCCH format or the maximum number of bearer bits of the PUCCH format and the number of SR bits (1 bit).
- the manner in which the terminal device selects a downlink carrier includes the following:
- the terminal device selects a downlink carrier with the highest priority CSI reporting type according to the priority of the CSI reporting type, where, when multiple downlink carriers have the highest priority CSI reporting type at the same time, according to the carrier number, select the The downlink carrier with the smallest carrier number among the multiple carriers.
- Manner 2 The terminal device directly selects a downlink carrier with a minimum carrier number according to the carrier number.
- Manner 3 The terminal device determines that the maximum number of feedback bits corresponding to the CSI reporting type in the downlink carrier in which the CSI feedback exists in the current subframe does not exceed the downlink carrier set of the AB min bit, and the downlink carrier set according to the CSI reporting type priority Choose one with the highest a downlink carrier of a priority CSI reporting type, wherein when a plurality of carriers in the downlink carrier set have the highest priority CSI reporting type, selecting a downlink carrier having the smallest carrier number among the multiple carriers according to the carrier number .
- the terminal device determines that the maximum number of feedback bits corresponding to the CSI reporting type in the downlink carrier in which the CSI feedback exists in the current subframe does not exceed the downlink carrier set of the AB min bit, and directly selects the downlink carrier set according to the carrier number. One of the downlink carriers with the smallest carrier number.
- Manner 5 The terminal device determines that the number of actual feedback bits of the CSI reporting type in the downlink carrier where the CSI feedback exists in the current subframe does not exceed the downlink carrier set of the AB mi b, and the downlink carrier set according to the CSI reporting type priority Selecting a downlink carrier having the highest priority CSI reporting type, wherein when multiple carriers in the downlink carrier set have the highest priority CSI reporting type at the same time, selecting the smallest of the multiple carriers according to the carrier number The downlink carrier of the carrier number.
- the terminal device determines that the number of actual feedback bits of the CSI reporting type in the downlink carrier where the CSI feedback exists in the current subframe does not exceed the downlink carrier set of the AB min bit, and directly selects the downlink carrier set according to the carrier number.
- the terminal device determines that the maximum number of feedback bits corresponding to the CSI reporting type in the downlink carrier where the CSI feedback exists in the current subframe does not exceed when bits AB min downlink component carrier set, if the terminal apparatus of the determined downlink component carrier set is an empty set, the terminal device directly determines C> AB min, i.e. step S203.
- Step S203 The terminal device generates ACK/NACK feedback information of B max bits, And transmitting the generated ACK/NACK feedback information on the corresponding channel resource in the current subframe.
- step S202 the processing of this step is specifically as follows:
- the terminal device generates ACK/NACK feedback information of the B max bit, and transmits the generated ACK/NACK feedback information on the corresponding channel resource in the current subframe.
- step S202 the processing of this step is specifically as follows:
- the terminal device generates B max bits ACK / NACK feedback information, and the channel resources corresponding to the current sub-frame, the transmission of the generated B max bits ACK / NACK feedback information.
- Step S204 The terminal device generates ACK/NACK feedback information of B max bits and CSI feedback information of corresponding bits, and simultaneously transmits the generated ACK/NACK feedback information and corresponding channel resources in the current subframe.
- the CSI feedback information The CSI feedback information.
- step S202 the processing of this step is specifically as follows:
- step S202 the processing of this step is specifically as follows:
- the terminal device generates ACK/NACK feedback information of the B max bit and CSI feedback information of the Cty pe — max bit, and transmits the generated ACK/NACK of the B max bit on the corresponding channel resource in the current subframe. Feedback information and Cty feedback information of the Cty pe — max bits.
- the process of generating CSI feedback information of the C type — max bit is specifically as follows: the terminal device generates CSI feedback information of C real bits;
- the terminal device supplements the C- type information of the C type max ⁇ C rea i bit after the CSI feedback information of the C calcal bit, and determines the CSI inverse after the padding information is supplemented.
- the feed information is the CSI feedback information of the Ctype- max bit.
- the placeholder information is a fixed value pre-agreed by the terminal device and the base station, and may be 0 or 1, and is preferably 0.
- Step S205 The terminal device generates CSI feedback information of the corresponding bit, and performs spatial combining on the ACK/NACK feedback information of the downlink carrier transmitted by all or part of the multi-codeword, and simultaneously transmits on the corresponding channel resource in the current subframe.
- the generated spatially combined ACK/NACK feedback information and the CSI feedback information are used to generate CSI feedback information.
- step S202 the processing of this step is specifically as follows:
- the terminal device generates CSI feedback information of the C real bit, and performs spatial combining on the ACK/NACK feedback information of the downlink carrier transmitted by all or part of the multi-codeword, and generates the same on the corresponding channel resource in the current subframe.
- the spatially combined ACK/NACK feedback information and the CSI feedback information wherein the number of bits of the spatially combined ACK/NACK feedback information does not exceed the value of AC real .
- step S202 the processing of this step is specifically as follows:
- the terminal device generates Qype- max bit CSI feedback information, and all or part of a multi-code word transmission downlink carrier ACK / NACK feedback information spatially combined on the channel resources corresponding to the current sub-frame, a simultaneous transmission
- the generated spatially combined ACK/NACK feedback information and the CSI feedback information of the ⁇ - max bit where the number of bits of the spatially combined ACK/NACK feedback information does not exceed the value of AC t y pe — max .
- the terminal device generates CSI feedback information of C real bits
- the position information of the terminal apparatus C complement type max -C real bits after the bits C Real CSI feedback information, and determines the position information added - if C real ⁇ ⁇
- the feedback information is the CSI feedback information of the Ctype- max bit.
- the placeholder information is a fixed value pre-agreed by the terminal device and the base station, and may be 0 or 1, and is preferably 0.
- the terminal device transmits the generated ACK/NACK feedback information on a corresponding channel resource in the current subframe, or In the process of simultaneously transmitting the generated ACK/NACK feedback information and the CSI feedback information, or simultaneously transmitting the generated spatially combined ACK/NACK feedback information and the CSI feedback information, the specific processing manner is:
- the determination process similar to the foregoing steps S201 and S202 is also required, and the specific UCI receiving mode and the number of bits are determined according to the determination result, and the specific processing manner is similar to that of the terminal device side, but is not Then, according to the judgment result, the corresponding UCI is generated, but the terminal device directly determines the form and the number of bits of the UCI in the current subframe, and performs UCI reception according to the corresponding determination result.
- the specific processing procedure is similar to the foregoing description. This is not repeated.
- an ACK/NACK and a ACK/NACK are simultaneously transmitted on a channel resource corresponding to a current subframe.
- the method of periodic CSI, according to the bit threshold of simultaneous transmission of UCI in the current subframe, and the maximum inverse of ACK/NACK in the current subframe The number of feed bits and the minimum number of feedback bits are dynamically determined to be simultaneously transmitted in the current subframe.
- the ACK/NACK bit and the CSI bit are used to ensure that the sum of the UCI bits transmitted at the same time does not exceed the bit threshold of the UCI simultaneously transmitted in the current subframe, and ACK/NACK combining and CSI discarding are avoided as much as possible, thereby ensuring maximum protection.
- the accuracy and completeness of the uplink information transmission are described below in conjunction with specific application scenarios.
- the corresponding processing process also changes, which is specifically illustrated by the following embodiments.
- the first embodiment performs the initial judgment based on A and 8 ⁇ , and the number of feedback bits used for the determination is specifically the actual feedback bit number C real of the CSI reporting type.
- FIG. 3 it is a schematic diagram of a UCI transmission method according to Embodiment 1 of the present invention, which specifically includes the following steps:
- Step S301 The UE determines the minimum feedback bit number of the ACK/NACK in the current subframe.
- Step S302 The UE selects one downlink carrier according to the CSI reporting type priority and/or the carrier number, and determines whether the number of feedback bits used for determining the CSI reporting type of the downlink carrier exceeds AB min , that is, determines C real > Whether AB min is established.
- A is the number of threshold bits simultaneously transmitted by the UCI in the current subframe.
- the ACK/NACK transmitted in the current subframe is determined according to the judgment result.
- the feedback information or the ACK/NACK and the CSI feedback information are used to transmit the feedback information on the corresponding channel resource in the current subframe.
- the UE determines that the CSI is not transmitted in the current subframe, and performs step S303;
- step S305 When the result of the determination is no, the UE performs step S305.
- Step S303 The UE generates B max bit ACK/NACK feedback information according to the configuration carrier 3 ⁇ 4 N, the transmission mode of each configured carrier, and the number of downlink subframes on each carrier i that need to perform ACK/NACK feedback in the current subframe.
- Step S304 The UE transmits the ACK/NACK feedback information of the B max bit on a channel resource corresponding to the ACK/NACK.
- Step S305 The UE generates CSI feedback information of the C real bit of the selected downlink carrier, and determines the maximum feedback bit number B max of the ACK/NACK in the current subframe.
- Step S306 The UE determines whether the CSI feedback bit number C real of the downlink carrier exceeds AB max .
- step S307 is performed
- step S309 is performed.
- Step S307 The UE spatially combines the ACK/NACK feedback information of the downlink carrier transmitted by all or part of the multi-codewords to meet the spatial realization, and the number of ACK/NACK feedback bits does not exceed AC real .
- Step S308 The UE simultaneously transmits the spatially combined ACK/NACK feedback information and the CSI feedback information of the C real bit on a channel resource corresponding to the ACK/NACK or the CSI.
- Step S309 the UE according to the configuration carrier 3 ⁇ 4 N, the transmission mode of each configured carrier, and the number of downlink subframes on each carrier i that need to perform ACK/NACK feedback in the current subframe.
- ACK/NACK feedback information of B max bits is generated.
- Step S310 The UE simultaneously transmits on the channel resource corresponding to the ACK/NACK or the CSI.
- the second embodiment performs initial judgment based on A and 8 ⁇ , and the number of feedback bits used for the determination is specifically the maximum feedback bit number C type — max of the CSI reporting type.
- FIG. 4 it is a schematic diagram of a UCI transmission method according to Embodiment 2 of the present invention, which specifically includes the following steps:
- Step S401 The UE determines the minimum feedback bit number of the ACK/NACK in the current subframe.
- Step S402 UE according to the type of CSI reported by priority and / or the carrier number, to select a downlink carriers, and determines whether the downlink carrier CSI reporting whether the number of feedback bits for determining the type of the corresponding exceeds AB min, i.e. determination Qype- max > Is AB min established?
- A is the number of threshold bits simultaneously transmitted by the UCI in the current subframe.
- the ACK/NACK feedback information or the ACK/NACK and CSI feedback information transmitted in the current subframe is determined according to the judgment result, and the feedback information is transmitted on the corresponding channel resource in the current subframe.
- the UE determines that the CSI is not transmitted in the current subframe, and performs steps.
- Step S403 The UE generates B max bit ACK/NACK feedback information according to the configuration carrier 3 ⁇ 4 N, the transmission mode of each configured carrier, and the number of downlink subframes on each carrier i that need to perform ACK/NACK feedback in the current subframe.
- the calculation formula of B max is as described in the foregoing step S201, and is not repeated here.
- Step S405 The UE determines, that the selected downlink carrier needs to be transmitted in the current subframe.
- the actual number of transmission bits CSI CSI is Qype- max, and generates the selected downlink carrier C real bits of feedback information, and determines the maximum number of feedback bits ACK / NACK in the current subframe
- step S407 is performed
- step S412 is performed.
- Step S407 The UE determines whether the CSI feedback bit number C real of the downlink carrier exceeds AB max .
- step S408 is performed
- step S410 is performed.
- Step S408 The UE spatially combines the ACK/NACK feedback information of the downlink carrier transmitted by all or part of the multi-codewords to meet the space realization, and the number of ACK/NACK feedback bits does not exceed AC real .
- Step S409 The UE simultaneously transmits the spatially combined ACK/NACK feedback information and CSI feedback information of the C real bit on the channel resource corresponding to the ACK/NACK or the CSI.
- Step S410 The UE generates B max bit ACK/NACK feedback information according to the configuration carrier 3 ⁇ 4 N, the transmission mode of each configured carrier, and the number of downlink subframes on each carrier i that need to perform ACK/NACK feedback in the current subframe.
- Step S411 The UE simultaneously transmits on the channel resource corresponding to the ACK/NACK or the CSI.
- Step S412 The UE supplements the actual CSI feedback bit number of the generated C real bit.
- the UE needs CSI feedback information transmitted in the current subframe.
- Step S413 UE determines the downlink carrier of the CSI feedback bits Qype- max exceeds AB max.
- step S414 is performed
- step S416 is performed.
- Step S414 UE on the ACK / NACK feedback information of downlink carriers all or part of multi-codeword transmission spatially combined to meet the space combined ACK / NACK feedback bits does not exceed A-Ctype- max.
- Step S415 The UE simultaneously transmits the spatially combined ACK/NACK feedback information and the Ct y pe — max bit CSI feedback information on the channel resource corresponding to the ACK/NACK or the CSI.
- Step S416 The UE generates B max- bit ACK/NACK feedback information according to the configuration carrier 3 ⁇ 4 N, the transmission mode of each configured carrier, and the number of downlink subframes on each carrier i that need to perform ACK/NACK feedback in the current subframe.
- Step S417 The UE simultaneously transmits on the channel resource corresponding to the ACK/NACK or the CSI.
- Embodiment 3 Initially determining based on A and B max , the number of feedback bits used for the determination is specifically the actual feedback bit number C real of the CSI reporting type.
- FIG. 5 it is a schematic diagram of a UCI transmission method according to Embodiment 1 of the present invention, which specifically includes the following steps:
- Step S501 The UE determines the maximum number of feedback bits of the ACK/NACK in the current subframe. "max
- Step S502 The UE selects one downlink carrier according to the CSI reporting type priority and/or the carrier number, and determines whether the number of feedback bits used for determining the CSI reporting type of the downlink carrier exceeds AB, that is, whether C real > AB max is determined. Established.
- A is the number of threshold bits simultaneously transmitted by the UCI in the current subframe.
- the ACK/NACK feedback information or the ACK/NACK and CSI feedback information transmitted in the current subframe is determined according to the judgment result, and the feedback information is transmitted on the corresponding channel resource in the current subframe.
- step S503 the UE performs step S503;
- Step S503 The UE generates CSI feedback information of the C real bit of the selected downlink carrier, and according to the configured number of carriers N, the transmission mode of each configured carrier, and the downlink of ACK/NACK feedback required in the current subframe on each carrier i.
- the number of subframes ⁇ ' generates B max bit ACK/NACK feedback information.
- Step S504 The UE simultaneously transmits the B max bit ACK/NACK feedback information and the C rcal bit CSI feedback information on the channel resource corresponding to the ACK/NACK or the CSI.
- Step S505 The UE generates CSI feedback information of the C real bit of the selected downlink carrier, and determines the minimum feedback bit number B min of the ACK/NACK in the current subframe.
- Step S506 The UE determines whether the CSI feedback bit number C real of the downlink carrier exceeds AB min
- the UE determines that the CSI is not transmitted in the current subframe, and performs step S507;
- Step S507 The UE according to the configuration carrier 3 ⁇ 4 N, the transmission mode of each configured carrier, and On each carrier i, the number of downlink subframes in which ACK/NACK feedback is performed in the current subframe is generated, and B max bit ACK/NACK feedback information is generated.
- Step S508 The UE transmits the ACK/NACK feedback information of the B max bit on a channel resource corresponding to the ACK/NACK.
- Step S509 The UE spatially combines the ACK/NACK feedback information of the downlink carrier transmitted by all or part of the multi-codewords to meet the spatial realization, and the number of ACK/NACK feedback bits does not exceed AC real .
- Step S510 The UE simultaneously transmits the spatially combined ACK/NACK feedback information and the CSI feedback information of the C real bit on a channel resource corresponding to the ACK/NACK or the CSI.
- Embodiment 4 Initially determining based on A and B max , the number of feedback bits used for the determination is specifically the maximum feedback bit number C type — max of the CSI reporting type.
- a schematic diagram of a UCI transmission method according to Embodiment 4 of the present invention includes the following steps:
- Step S601 The UE determines the maximum number of feedback bits of the ACK/NACK in the current subframe.
- Step S602 The UE selects one downlink carrier according to the CSI reporting type priority and/or the carrier number, and determines whether the number of feedback bits used for determining the CSI reporting type of the downlink carrier exceeds AB max , that is, determining ⁇ — Whether max > AB max is true.
- A is the number of threshold bits simultaneously transmitted by the UCI in the current subframe.
- the ACK/NACK feedback information or the ACK/NACK and CSI feedback information transmitted in the current subframe are determined according to the judgment result, and the corresponding channel in the current subframe. Resources, the feedback information is transmitted.
- step S603 When the judgment result is no, the UE performs step S603;
- Step S603 The UE determines the minimum feedback bit number of the ACK/NACK in the current subframe.
- Step S604 The UE determines whether C type — max > AB min is established.
- step S605 is performed
- step S611 is performed.
- Step S605 UE on the ACK / NACK feedback information of downlink carriers all or part of multi-codeword transmission spatially combined to meet the space combined ACK / NACK feedback bits does not exceed A-Ctype- max.
- Step S606 The UE determines, that the selected downlink carrier needs to be transmitted in the current subframe.
- CSI number of transmission bits is Ctype- max, and generates an actual CSI of the selected downlink carrier C real feedback information bits.
- step S608 is performed
- step S610 is performed.
- Step S608 the UE supplements the C type — max — C real bit 0 after the actual CSI feedback bit number of the generated C real bit, and uses the CSI feedback information of the Q ⁇ — max bit after the complement 0 as the current needs of the UE.
- CSI feedback information for subframe transmission is included in Step S608.
- Step S609 The UE transmits the spatially combined ACK/NACK feedback information and the Ct y pe — max bit CSI feedback information on a channel resource corresponding to the ACK/NACK or the CSI.
- Step S610 The UE simultaneously transmits on the channel resource corresponding to the ACK/NACK or the CSI.
- Step S611 The UE generates B max- bit ACK/NACK feedback information according to the configuration carrier 3 ⁇ 4 N, the transmission mode of each configured carrier, and the number of downlink subframes on each carrier i that need to perform ACK/NACK feedback in the current subframe.
- Step S612 the UE transmits the B max bit on the channel resource corresponding to the ACK/NACK.
- Step S613 The UE generates B max- bit ACK/NACK feedback information according to the configuration carrier 3 ⁇ 4 N, the transmission mode of each configured carrier, and the number of downlink subframes on each carrier i that need to perform ACK/NACK feedback in the current subframe.
- Step S614 the UE determines that the selected downlink carrier needs to be transmitted in the current subframe.
- CSI number of transmission bits is Ctype- max, and generates an actual CSI of the selected downlink carrier C real feedback information bits.
- step S616 is performed
- step S618 is performed.
- Step S616 The UE supplements the actual CSI feedback bit number of the generated C real bit.
- the UE needs CSI feedback information transmitted in the current subframe.
- Step S617 The UE simultaneously transmits the ACK/NACK feedback information of the B max and the CSI feedback information of the — ⁇ - max bit on the channel resource corresponding to the ACK/NACK or the CSI.
- Step S618 The UE simultaneously transmits the ACK/NACK feedback information of the B max bit and the CSI feedback information of the C real bit on the channel resource corresponding to the ACK/NACK or the CSI.
- the base station side needs to determine the UCI transmitted by the UE. Therefore, the base station can also perform the judgment processing based on the rules in the above four embodiments, except that the base station itself does not generate a corresponding
- the UCI feedback information only determines the number of UCI bits reported by the UE and its corresponding transmission resources, so as to facilitate the reception of the corresponding UCI, and the description is not repeated here, which is also within the protection scope of the present invention.
- the maximum number of feedback bits corresponding to the CSI reporting type is the current antenna port configuration in the CSI reporting type.
- the maximum number of feedback bits corresponding to the CSI reporting type is the actual number of feedback bits.
- the maximum number of CSI feedback bits corresponding to the CSI reporting type 2 is 8 bits
- the minimum CSI feedback bit number corresponding to the CSI reporting type 2 is 6 bits.
- the number of specifically reported bits is independent of the RI value.
- the actual bit of the CSI reporting type is 2 bits, and the CSI reporting type 3
- the corresponding maximum and minimum CSI feedback bits are both 2 bits.
- the PUCCH format for transmitting the UCI may be PUCCH format 2, 3, or other newly defined large-capacity PUCCH format, such as a PUCCH format based on a PUSCH transmission structure.
- the PUCCH format3 channel resource The source may be a channel resource corresponding to the ACK/NACK or a channel resource corresponding to the periodic CSI.
- the PUCCH format 3 channel resource may be a channel resource corresponding to the ACK/NACK, and when the ACK/NACK is configured to be transmitted by using the PUCCH format lb with channel selection, the PUCCH
- the format3 channel resource may be a channel resource corresponding to the CSI.
- the A value is a predefined value (no signaling required) or a value notified by higher layer signaling or PDCCH signaling, and the value is not more than the maximum number of bearer bits of the PUCCH format or the PUCCH. Any positive integer of the difference between the maximum number of bearers and the number of SR bits in the format.
- the methods proposed in the foregoing embodiments are applicable to UEs configured with multiple carriers and UEs configured with one carrier.
- an ACK/NACK and a ACK/NACK are simultaneously transmitted on a channel resource corresponding to a current subframe.
- the periodic CSI method dynamically determines the ACK/NACK transmitted simultaneously in the current subframe according to the number of threshold bits simultaneously transmitted by the UCI in the current subframe, and the maximum number of feedback bits and the minimum number of feedback bits of the ACK/NACK in the current subframe.
- an embodiment of the present invention further provides a terminal device, and a schematic structural diagram thereof is shown in FIG. 7, which at least includes:
- a determining module 71 configured to determine a minimum feedback bit number Bmin and/or a maximum feedback bit number Bmax of the ACK/NACK in the current subframe;
- the determining module 72 is configured to select a downlink carrier, and determine a number of feedback bits C for determining, corresponding to a CSI reporting type of the downlink carrier, a threshold number A of simultaneous transmissions with UCI in the current subframe, and the B The relationship between mh ⁇ W or B max ;
- the processing module 73 is configured to generate ACK/NACK feedback information of the B max bit when the judgment result of the determining module 72 is C > AB min , and corresponding channel resources in the current subframe Source, transmitting the generated ACK/NACK feedback information;
- the B max bit ACK/NACK feedback information and the C bit CSI feedback information are generated, and the generated channel is simultaneously transmitted on the corresponding channel resource in the current subframe.
- the C-bit CSI feedback information is generated, and the ACK/NACK feedback information of the downlink carrier transmitted by all or part of the multi-codeword is spatially combined, corresponding to the current subframe. And the CSI feedback information of the spatially combined ACK/NACK feedback information is not transmitted, and the number of bits of the spatially combined ACK/NACK feedback information does not exceed the value of the AC.
- the determining module 71 is specifically configured to:
- the B min is determined according to the following formula:
- the B max is determined according to the following formula:
- the value rule of G specifically includes:
- C ' l
- C i l
- C i 2'
- m i represents the required ACK / NACK feedback number of downlink subframes in the current subframe on carrier i, which value is specific rules:
- M ' l
- TDD system time division multiplexing
- determining module 72 is specifically configured to:
- the processing module 73 is specifically used to:
- the B max bit ACK/NACK feedback information is generated, and the generated ACK/NACK feedback is transmitted on the corresponding channel resource in the current subframe. information;
- the ACK/NACK feedback information of the B max bit and the CSI feedback information of the C real bit are generated, and the corresponding channel resource in the current subframe is simultaneously transmitted.
- the CSI feedback information of the C real bit is generated, and the ACK/NACK feedback information of the downlink carrier transmitted by all or part of the multi-codeword is spatially combined, in the current subframe.
- the generated spatially combined ACK/NACK feedback information and the CSI feedback information are simultaneously transmitted, where the number of bits of the spatially combined ACK/NACK feedback information does not exceed the value of AC real .
- the determining module 72 determines the CSI reporting of the downlink carrier.
- the type of feedback bits corresponding to the maximum C ⁇ - max and when the relationship between A, and B min and / or B max, the processing module 73 is specifically configured to:
- the ACK/NACK feedback information of the B max bit and the CSI feedback information of the C t y pe — max bit are generated, and the corresponding channel in the current subframe is generated.
- Resource transmitting the generated ACK/NACK feedback information of the B max bit and the CSI feedback information of the Qype — max bit;
- the C type feedback information of the C type — max bit is generated, and the ACK/NACK feedback information of the downlink carrier transmitted by all or part of the multi-codeword is spatially merged, and the current sub- Transmitting the generated spatially combined ACK/NACK feedback information and the CSI feedback information of the max ⁇ - max bit on the corresponding channel resource in the frame, where the bit of the spatially combined ACK/NACK feedback information is transmitted.
- the number does not exceed the value of AC t y pe — max ;
- the CSI feedback information of the C real bit is added to the C t y pe — max — C real bit placeholder information, and the CSI feedback information after the padding information is added is determined to be ⁇ —the CSI feedback information of the max bit
- the determining module 72 is specifically configured to: Selecting a downlink carrier with the highest priority CSI reporting type according to the priority of the CSI reporting type, wherein when the multiple downlink carriers have the highest priority CSI reporting type at the same time, selecting the smallest carrier among the multiple carriers according to the carrier number The downlink carrier of the number is selected; or, the downlink carrier with the smallest carrier number is selected according to the carrier number; or, the maximum number of feedback bits corresponding to the CSI reporting type in the downlink carrier in which the CSI feedback exists in the current subframe does not exceed the AB min bit. a downlink carrier set, wherein a downlink carrier having the highest priority CSI reporting type is selected in the downlink carrier set according to a CSI reporting type priority, where multiple carriers in the downlink carrier set have the highest priority at the same time
- the downlink carrier having the smallest carrier number among the multiple carriers is selected according to the carrier number;
- Carrier or,
- Determining the presence of a current subframe downlink carrier CSI feedback CSI is reported the number of feedback bits actual type AB min bits does not exceed the set of downlink carriers, and directly from the carrier number, to select a downlink carrier of said downlink component carrier set having the smallest number of carriers .
- the determining module 72 determines that the maximum number of feedback bits corresponding to the CSI reporting type in the downlink carrier in which the CSI feedback exists in the current subframe does not exceed the downlink carrier set of the AB min bit, or when the determining module 72 determines There is CSI feedback in the current subframe.
- the judging module 72 is further configured to:
- the determining module 71 is further configured to:
- report type determines the CSI feedback bits corresponding to the maximum number of types Qype- max configuration feedback bits corresponding to different values of current for RI in the CSI reported by the maximum value;
- the processing module 73 is specifically configured to: when the current subframe is specifically a scheduling request SR transmission subframe, where
- the determining module 71 is further configured to: determine the threshold bit number A according to a pre-agreed or according to configuration information acquired through high layer signaling or physical downlink control channel PDCCH signaling, where the A is not exceeded
- an embodiment of the present invention further provides a base station, and a schematic structural diagram thereof is shown in FIG. 8 , including: a determining module 81, configured to determine a minimum feedback bit number B mh ⁇ W or a maximum feedback bit number B max of the ACK/NACK fed back by the terminal device in the current subframe;
- the determining module 82 is configured to select a downlink carrier, and determine a number of feedback bits C for determining, corresponding to a CSI reporting type of the downlink carrier, a threshold number A of simultaneous transmissions with UCI in the current subframe, and the B The relationship between mh ⁇ W or B max ;
- the processing module 83 is configured to: when the determination result of the determining module 82 is C > AB min , determine that the terminal device transmits the B max bit ACK/NACK feedback information in the current subframe, and corresponds to the current subframe. Receiving ACK/NACK feedback information transmitted by the terminal device according to the determined number of feedback information bits;
- the terminal device transmits the B max bit ACK/NACK feedback information and the C bit CSI feedback information in the current subframe, and corresponds to the current subframe. Receiving ACK/NACK feedback information and CSI feedback information transmitted by the terminal device according to the determined number of feedback information bits;
- the determining module 82 determines that the terminal device transmits C-bit CSI feedback information in the current subframe, and determining ACK/NACK feedback information that the terminal device transmits in the current subframe.
- the number of bits is the number of bits of spatially combined ACK/NACK feedback information of the downlink carrier transmitted by all or part of the multi-codewords, and the number of bits of the feedback information is determined according to the determined channel resources in the current subframe. Receiving spatially combined ACK/NACK feedback information and the CSI feedback information transmitted by the terminal device.
- the determining module 81 is specifically configured to:
- Mi indicates the number of downlink subframes on the carrier i that need to be ACK/NACK feedback in the current subframe.
- determining module 82 is specifically configured to:
- a downlink carrier is selected, and the actual number of feedback bits of the CSI reporting type of the downlink carrier is determined. ⁇ and eight, and the relationship between B min and / or ;; or,
- the processing module 83 is specifically used to:
- determining the terminal setting The ACK/NACK feedback information of the B max bit is transmitted in the current subframe, and the B max bit transmitted by the terminal device is received according to the determined number of feedback information bits on the corresponding channel resource in the current subframe.
- ACK/NACK feedback information is transmitted in the current subframe, and the B max bit transmitted by the terminal device is received according to the determined number of feedback information bits on the corresponding channel resource in the current subframe.
- the terminal device When the determination result of the determining module 82 is C rcal AB max , determining that the terminal device transmits the B max bit ACK/NACK feedback information and the C rcal bit CSI feedback information in the current subframe, and is in the current subframe. Receiving ACK/NACK feedback information of B max bits and CSI feedback information of C rcal bits transmitted by the terminal device according to the determined number of feedback information bits;
- determining that the terminal device transmits the CSI feedback information of the C calcal bit in the current subframe, and determining that the number of bits of the ACK/NACK feedback information transmitted by the terminal device is The number of bits of the ACK/NACK feedback information of the downlink carrier of all or part of the multi-codeword transmission is spatially combined, and the terminal is simultaneously received according to the determined number of feedback information bits in the corresponding channel resource in the current subframe.
- the spatially combined ACK/NACK feedback information and the CSI feedback information of the C real bit are transmitted by the device, where the number of bits of the spatially combined ACK/NACK feedback information does not exceed the value of AC real .
- the processing module 83 is specifically configured to:
- the terminal device transmits B max bits of ACK/NACK feedback information in the current subframe, and corresponding channel resources in the current subframe. Receiving, according to the determined number of feedback information bits, the ACK/NACK feedback information of the B max bit transmitted by the terminal device;
- the terminal device transmits the B max bit ACK/NACK feedback information and max in the current subframe.
- the CSI feedback information of the bit, and the ACK/NACK feedback information of the B max bit transmitted by the terminal and the C are simultaneously received according to the determined number of feedback information bits on the corresponding channel resource in the current subframe.
- t y pe CSI feedback information of max bits;
- the terminal device determines the feedback information transmitted in the subframe Qype- max current CSI bit, and determining the terminal device transmitted in the current subframe ACK / NACK
- the number of bits of the feedback information is the number of bits of spatially combined ACK/NACK feedback information of the downlink carrier transmitted by all or part of the multi-codeword, and the determined feedback information bit is used on the corresponding channel resource in the current subframe.
- the processing module 83 specifically to determine the transmission terminal device C type in the current sub-frame in the following way - max bits CSI feedback information:
- C real ⁇ Q ⁇ - max determining the Q ⁇ - CSI feedback information comprising bits max C type - max -C real position information bits, the C type and the received - CSI bit max
- the pre-C real bit information in the feedback information as the actual CSI feedback information of the downlink carrier, if The base station determines the Qype- max bit CSI feedback information of the downlink CSI is the actual feedback information carrier.
- determining module 82 is specifically configured to:
- Selecting a downlink carrier with the highest priority CSI reporting type according to the priority of the CSI reporting type wherein when the multiple downlink carriers have the highest priority CSI reporting type at the same time, selecting the smallest carrier among the multiple carriers according to the carrier number Numbered downlink carrier; or, directly select the downlink carrier with the smallest carrier number according to the carrier number; or, Determining, in the downlink carrier in which the CSI feedback exists in the current subframe, that the maximum number of feedback bits corresponding to the CSI reporting type does not exceed the downlink carrier set of the AB min bit, and selecting one of the downlink carrier sets with the highest priority according to the CSI reporting type priority a downlink carrier of a CSI reporting type, wherein, when a plurality of carriers in the downlink carrier set have the highest priority CSI reporting type, selecting a downlink carrier having the smallest carrier number among the multiple carriers according to the carrier number; or ,
- Carrier or,
- the determining module 82 determines the presence of the current subframe downlink carrier CSI feedback CSI is reported downlink component carrier set the maximum number of feedback bits corresponding to the type of bits does not exceed AB min, or, when the determining module 82 determines When the number of the actual feedback bits of the CSI reporting type in the downlink carrier in the current subframe does not exceed the downlink carrier set of the AB min bit, the determining module 82 is further configured to:
- the determining module 81 is further configured to: For the CSI reporting type that is reported based on the RI value, determining the maximum number of feedback bits C type — max corresponding to the CSI reporting type is the maximum number of feedback bits corresponding to different RI values in the current configuration of the CSI reporting type. ;
- determine the CSI report type corresponding to the maximum number of feedback bits Qype- max is the actual number of feedback bits.
- the processing module 83 is specifically configured to: when the current subframe is specifically a scheduling request SR transmission subframe, where
- the ACK/NACK feedback information and the 1-bit SR transmitted by the terminal device Receiving, by using the corresponding channel resource in the current subframe, the ACK/NACK feedback information and the 1-bit SR transmitted by the terminal device, or receiving the ACK/NACK feedback information and the CSI transmitted by the terminal device at the same time
- the feedback information and the 1-bit SR or simultaneously receive the spatially combined ACK/NACK feedback information and the CSI feedback information and the 1-bit SR transmitted by the terminal device.
- the determining module 81 is further configured to: determine the threshold bit number A according to a predetermined agreement or determine the threshold bit number A, and configure the A by using high layer signaling or physical downlink control channel PDCCH signaling.
- the terminal device where the A is a maximum number of bearers of an uplink transmission scheme that does not exceed an uplink transmission scheme for simultaneously transmitting ACK/NACK feedback information and CSI feedback information in a current subframe or a maximum bearer bit of the uplink transmission scheme Any positive integer with the difference between the number and the number of SR bits.
- an ACK/NACK and a ACK/NACK are simultaneously transmitted on a channel resource corresponding to a current subframe.
- the method of periodic CSI dynamically determines the simultaneous transmission in the current subframe according to the maximum number of feedback bits of the plurality of UCIs simultaneously transmitted in the current subframe, and the maximum number of feedback bits and the minimum number of feedback bits of the ACK/NACK in the current subframe.
- the technical solution of the embodiment of the present invention may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a USB flash drive, a mobile hard disk, etc.).
- a computer device which may be a personal computer, a server, or a network side device, etc.
- modules in the apparatus in the implementation scenario may be distributed in the apparatus for implementing the scenario according to the implementation scenario description, or may be correspondingly changed in one or more devices different from the implementation scenario.
- the modules of the above implementation scenarios may be combined into one module, or may be further split into multiple sub-modules.
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Abstract
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KR1020157005545A KR101749199B1 (ko) | 2012-08-03 | 2013-08-02 | 업링크 제어 정보(uci)의 전송 방법 및 장치 |
US14/418,777 US9585131B2 (en) | 2012-08-03 | 2013-08-02 | Method and device for transmitting uplink control information (UCI) |
EP13825262.2A EP2882128B1 (en) | 2012-08-03 | 2013-08-02 | Method and device for transmitting uplink control information (uci) |
JP2015524624A JP5992102B2 (ja) | 2012-08-03 | 2013-08-02 | アップリンク制御情報(uci)の伝送方法及び装置 |
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CN201210276428.XA CN103580825B (zh) | 2012-08-03 | 2012-08-03 | Uci的传输方法和设备 |
CN201210276428.X | 2012-08-03 |
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EP (1) | EP2882128B1 (zh) |
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CN103580825A (zh) | 2014-02-12 |
JP5992102B2 (ja) | 2016-09-14 |
US20150173066A1 (en) | 2015-06-18 |
EP2882128A4 (en) | 2015-08-19 |
CN103580825B (zh) | 2017-05-24 |
KR20150041018A (ko) | 2015-04-15 |
KR101749199B1 (ko) | 2017-07-04 |
EP2882128A1 (en) | 2015-06-10 |
EP2882128B1 (en) | 2018-03-28 |
US9585131B2 (en) | 2017-02-28 |
JP2015529053A (ja) | 2015-10-01 |
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