CN107872292A - Uplink control information transmission method, terminal and base station under carrier aggregation - Google Patents

Uplink control information transmission method, terminal and base station under carrier aggregation Download PDF

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Publication number
CN107872292A
CN107872292A CN201610856101.8A CN201610856101A CN107872292A CN 107872292 A CN107872292 A CN 107872292A CN 201610856101 A CN201610856101 A CN 201610856101A CN 107872292 A CN107872292 A CN 107872292A
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China
Prior art keywords
cqi
carrier
channel
carrier wave
base station
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CN201610856101.8A
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CN107872292B (en
Inventor
孙红利
刘振
唐轩
时帅帅
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ZTE Corp
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ZTE Corp
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Priority to CN201610856101.8A priority Critical patent/CN107872292B/en
Priority to PCT/CN2017/103351 priority patent/WO2018059378A1/en
Publication of CN107872292A publication Critical patent/CN107872292A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Abstract

The invention discloses the uplink control information transmission method under a kind of carrier aggregation, terminal and base station, this method includes：The first reallocation message for being used for foundation connection that base station is sent is received, and receives the second reallocation message for being used to add secondary carrier that base station is sent；Configuration information and second is reported to report configuration information according to first, it is determined whether periodic report CQI/RI, and calculate and be used for the subframe for reporting CQI/RI on main carrier or secondary carrier；After activating first community and second community as main carrier and secondary carrier in base station, calculated according to judged result for the carrier wave where transmitting the UCI information for including CQI/RI, and calculating channel；By subframe, channel and the carrier wave being calculated UCI information is sent to base station.According to the present invention, the CQI/RI configurations based on major-minor carrier wave are calculated so that the technical scheme of the present embodiment can carry out UCI transmission on appropriate time, appropriate channel and carrier wave, can effectively avoid out failed or timely transmission UCI situation from occurring.

Description

Uplink control information transmission method, terminal and base station under carrier aggregation
Technical field
The present invention relates to the uplink control information transmission side under wireless communication technology field, more particularly to a kind of carrier aggregation Method, terminal and base station.
Background technology
In order to meet peak-rate requirements, LTE-A (the follow-up evolution of Long Term Evolution) technology currently supports maximum 100MHz Bandwidth, but be difficult to find so big bandwidth in existing usable spectrum resource, and big bandwidth is for base station and terminal Hardware design bring very big difficulty.In addition, for the frequency spectrum resource being dispersed in multiple frequency ranges, a kind of technology is needed badly them Fully utilize.Based on above-mentioned consideration, LTE-A introduces CA (carrier aggregation) this key technology.
Reporting for UCI (ascending control information) is a very important part in carrier aggregation technology, UE (terminal) UCI transmission can be accurately and effectively carried out, determination is played in AMC (Adaptive Modulation and Coding technology) adjustment real-time to network side The effect of property, directly concern the problem of system maximum throughput can be obtained under activity network；If UCI information can not Rational feedback in time, it will serious influence is brought to power system capacity and Internet resources distribution, if network side is at one section Interior CQI (channel quality instruction) message never received in UCI reports, and network side can take conservative tune afterwards Degree, reduce MCS (modulation and coding strategy) and resource allocation；If same UE can not be on accurate running time-frequency resource by ACK/ NAK (positive acknowledgment/NACK) feeds back to network side, then easily causes DTX (discontinuous transmitting) or HARQ Fail are (mixed Close HARQ), such power system capacity can be reduced substantially, not reach the purpose of carrier aggregation.Therefore solve the reasonable of UCI Transmission problem is very necessary.
The content of the invention
In view of this, it is an object of the invention to provide the uplink control information transmission method under a kind of carrier aggregation, end End and base station, to solve accurately and timely to complete UCI transmission.
Technical scheme is as follows used by the present invention solves above-mentioned technical problem：
According to an aspect of the present invention, there is provided a kind of carrier aggregation under uplink control information transmission method, base station First community, second community are configured to up-downgoing carrier aggregation conspiracy relation, methods described includes：Receive the use that base station is sent It is corresponding with CQI/RI under the first community for issuing in the first reallocation message for establishing connection, first reallocation message First report configuration information, the CQI/RI represents Channel Quality Indicator/rank indication, i.e., Channel quality instruction/order instruction, and receive the second reallocation message for being used to add secondary carrier that the base station is sent, described the What two reallocation messages were used to issue under the second community corresponding with the CQI/RI second reports configuration information；According to described First reports configuration information and described second to report configuration information, it is determined whether CQI/RI described in periodic report, and calculate in master It is used for the subframe for reporting the CQI/RI on carrier wave or secondary carrier；In the base station by the first community and the second community After the main carrier and secondary carrier activation, calculated according to judged result for transmitting the UCI for including the CQI/RI Information, and the carrier wave where the channel is calculated, the UCI information represents Uplink Control Information, i.e., Ascending control information；By subframe, the channel and the carrier wave being calculated the UCI information is sent to the base station.
Alternatively, foregoing method, calculated according to judged result for transmitting the UCI information for including the CQI/RI, with And the carrier wave where the calculating channel, specifically include：When judging CQI/RI described in periodic report, obtained from the daily record of end side Carrier index is taken, and detects the up of the descending control information format 0 received in other subframes before the subframe preset time Authorization conditions；If only for the uplink authorization of the main carrier, on the Physical Uplink Shared Channel of the main carrier Transmit the CQI/RI of the carrier index indicating cell；If have simultaneously for the upper of the main carrier and the secondary carrier Row is authorized, and the shared letter of physical uplink of carrier wave corresponding with the carrier index is selected from the main carrier and the secondary carrier Transmit the CQI/RI of the carrier index indicating cell in road；If without uplink authorization, indicated in the carrier index The Physical Uplink Control Channel of cell transmits the CQI/RI of the carrier index indicating cell.
Alternatively, foregoing method, calculated according to judged result for transmitting the UCI information for including the CQI/RI, with And the carrier wave where the calculating channel, specifically include：Judge it is aperiodic report the CQI/RI when, from default descending control Channel quality instruction request is obtained in information processed, and selects the physical uplink of the channel quality instruction request indicating cell to share Channel, transmit the CQI/RI of the channel quality instruction request indicating cell.
According to another aspect of the present invention, there is provided a kind of terminal, base station by first community, second community be configured to up and down Row carrier aggregation conspiracy relation, the terminal include：Reallocation message receiving module, the foundation that is used for for receiving base station transmission connect The first reallocation message connect, first reallocation message are used to issue corresponding with CQI/RI first under the first community Configuration information is reported, the CQI/RI represents Channel Quality Indicator/rank indication, i.e. channel quality Instruction/order instruction, and receive the second reallocation message for being used to add secondary carrier that the base station is sent, described second again with disappearing Cease and report configuration information for issuing corresponding with the CQI/RI second under the second community；Subframe computing module, use In reporting configuration information and described second to report configuration information according to described first, it is determined whether CQI/RI described in periodic report, And calculate and be used for the subframe for reporting the CQI/RI on main carrier or secondary carrier；Channel carrier wave computing module, for described After base station activates the first community and the second community as the main carrier and the secondary carrier, tied according to judgement Fruit calculates the UCI information for including the CQI/RI for transmission, and calculates the carrier wave where the channel, the UCI information Represent Uplink Control Information, i.e. ascending control information；Sending module, for by the subframe being calculated, The channel and the carrier wave send the UCI information to the base station.
Alternatively, foregoing front end, the channel carrier wave computing module is when judging CQI/RI described in periodic report from end Carrier index is obtained in the daily record of side, and detects the Downlink Control Information received in other subframes before the subframe preset time The uplink authorization situation of form 0；If only for the uplink authorization of the main carrier, in the physical uplink of the main carrier The CQI/RI of the carrier index indicating cell is transmitted in shared channel；If have simultaneously for the main carrier and described The uplink authorization of secondary carrier, the physics of carrier wave corresponding with the carrier index is selected from the main carrier and the secondary carrier Uplink Shared Channel transmits the CQI/RI of the carrier index indicating cell；If without uplink authorization, in the load The Physical Uplink Control Channel of ripple index indicating cell transmits the CQI/RI of the carrier index indicating cell.
Alternatively, foregoing front end, the channel carrier wave computing module judge it is aperiodic report the CQI/RI when, from Channel quality instruction request is obtained in default Downlink Control Information, and selects the channel quality instruction request indicating cell Physical Uplink Shared Channel, transmit the CQI/RI of the channel quality instruction request indicating cell.
According to an aspect of the present invention, there is provided a kind of carrier aggregation under uplink control information transmission method, including： First community, second community are configured to up-downgoing carrier aggregation conspiracy relation；Sent to terminal for establishing connect first Reallocation message, what first reallocation message was used to issue under the first community corresponding with CQI/RI first reports with confidence Breath, the CQI/RI represent Channel Quality Indicator/rank indication, i.e. channel quality instruction/order Instruction, the second reallocation message for adding secondary carrier is sent to the terminal, second reallocation message is described for issuing Corresponding with the CQI/RI second under second community reports configuration information, and configuration is reported according to described first for the terminal Information and described second reports configuration information, it is determined whether CQI/RI described in periodic report, and calculate in main carrier or secondary carrier The upper subframe for being used to report the CQI/RI；It regard the first community and the second community as the main carrier and described auxiliary After carrier activation, the terminal is calculated for transmitting the UCI information for including the CQI/RI, and calculating institute according to judged result The carrier wave where channel is stated, the UCI information represents Uplink Control Information, i.e. ascending control information；Connect Receive the UCI information that the terminal is sent by the subframe, the channel and the carrier wave that are calculated.
Alternatively, foregoing method, receive the terminal and sent by subframe, the channel and the carrier wave being calculated The UCI information, specifically include：When the terminal judges CQI/RI described in periodic report, detect under the terminal The authorization conditions of row control information form 0：If only for the uplink authorization of the main carrier, in the thing of the main carrier The main carrier and the CQI/RI of the secondary carrier are received on reason Uplink Shared Channel；If have simultaneously for the main load The uplink authorization of ripple and the secondary carrier, judge that present sub-frame belongs to the main carrier or secondary carrier, and according to judged result The Physical Uplink Shared Channel of the corresponding carrier wave of selection receives the CQI/RI of the corresponding carrier wave.
Alternatively, foregoing method, receive the terminal and sent by subframe, the channel and the carrier wave being calculated The UCI information, specifically include：The terminal judge it is aperiodic report the CQI/RI when, from default descending control Channel quality instruction request is obtained in information, and selects the shared letter of physical uplink of the channel quality instruction request indicating cell Road, receive the CQI/RI of the channel quality instruction request indicating cell.
According to an aspect of the present invention, there is provided a kind of base station, including：Configuration module, for by first community, second Cell configuration is up-downgoing carrier aggregation conspiracy relation；Reallocation message sending module, for being sent to terminal for establishing connection The first reallocation message, what first reallocation message was used to issue under the first community corresponding with CQI/RI first reports Configuration information, the CQI/RI represent Channel Quality Indicator/rank indication, i.e. channel quality refers to Show/order instruction, send the second reallocation message for adding secondary carrier to the terminal, second reallocation message is used to issue Corresponding with the CQI/RI second under the second community reports configuration information, is reported for the terminal according to described first Configuration information and described second reports configuration information, it is determined whether CQI/RI described in periodic report, and calculate in main carrier or auxiliary It is used for the subframe for reporting the CQI/RI on carrier wave；Carrier activation module, for by the first community and the second community After the main carrier and secondary carrier activation, the terminal calculates according to judged result and includes the CQI/ for transmitting RI UCI information, and the carrier wave where the channel is calculated, the UCI information represents Uplink Control Information, i.e. ascending control information；Receiving module, for receive the terminal by be calculated subframe, the channel The UCI information sent with the carrier wave.
Alternatively, foregoing base station, the receiving module is when the terminal judges CQI/RI described in periodic report, detection To the authorization conditions of the descending control information format 0 of the terminal：If being only directed to the uplink authorization of the main carrier, The main carrier and the CQI/RI of the secondary carrier are received on the Physical Uplink Shared Channel of the main carrier；If simultaneously There is the uplink authorization for the main carrier and the secondary carrier, judge that present sub-frame belongs to the main carrier or secondary carrier, And the Physical Uplink Shared Channel of corresponding carrier wave is selected to receive the CQI/RI for corresponding to carrier wave according to judged result.
Alternatively, foregoing base station, the receiving module the terminal judge it is aperiodic report the CQI/RI when, from Channel quality instruction request is obtained in default Downlink Control Information, and selects the channel quality instruction request indicating cell Physical Uplink Shared Channel, receive the CQI/RI of the channel quality instruction request indicating cell.
According to above technical scheme, uplink control information transmission method, terminal and base station under carrier aggregation of the invention At least there is advantages below：
Technique according to the invention scheme, when issuing reallocation message in base station, terminal is based on major-minor carrier wave in reallocation message CQI/RI configuration, can reasonably calculate its subframe for being used to transmit the UCI such as ACK/NAK, CQI/RI, and then calculate biography Defeated channel and carrier wave used；CQI/RI configurations based on major-minor carrier wave are calculated so that the technical scheme of the present embodiment UCI transmission can be carried out on appropriate time, appropriate channel and carrier wave, can effectively avoid out failed or timely hair UCI situation is sent to occur.
Brief description of the drawings
Fig. 1 is the flow chart of the uplink control information transmission method under a kind of carrier aggregation of the embodiment of the present invention；
Fig. 2 is the principle flow chart of the uplink control information transmission method under a kind of carrier aggregation of the embodiment of the present invention；
Fig. 3 is the flow chart of the uplink control information transmission method under a kind of carrier aggregation of the embodiment of the present invention；
Fig. 4 is the principle flow chart of the uplink control information transmission method under a kind of carrier aggregation of the embodiment of the present invention；
Fig. 5 is the principle flow chart of the uplink control information transmission method under a kind of carrier aggregation of the embodiment of the present invention；
Fig. 6 is a kind of block diagram of terminal of the embodiment of the present invention；
Fig. 7 is the flow chart of the uplink control information transmission method under a kind of carrier aggregation of the embodiment of the present invention；
Fig. 8 is the flow chart of the uplink control information transmission method under a kind of carrier aggregation of the embodiment of the present invention；
Fig. 9 is the principle flow chart of the uplink control information transmission method under a kind of carrier aggregation of the embodiment of the present invention；
Figure 10 is a kind of block diagram of base station of the embodiment of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
In order that technical problems, technical solutions and advantages to be solved are clearer, clear, tie below Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only To explain the present invention, it is not intended to limit the present invention.
As shown in figure 1, a kind of uplink control information transmission under carrier aggregation is provided in one embodiment of the present of invention First community, second community are configured to up-downgoing carrier aggregation conspiracy relation by method, base station, and the method for the present embodiment includes：
Step S110, the first reallocation message for being used to establish connection that base station is sent is received, under the first reallocation message is used for Corresponding with CQI/RI first under hair first community reports configuration information, and CQI/RI represents Channel Quality Indicator/rank indication, i.e. channel quality instruction/order instruction, and receive the auxiliary for adding of base station transmission Second reallocation message of carrier wave, what the second reallocation message was used to issue under second community corresponding with CQI/RI second reports configuration Information.In this example, it is assumed that existing network side has two cells of cell1, cell2, cell1 and cell2 are matched somebody with somebody by network side It is set to up-downgoing carrier aggregation conspiracy relation；After UE accesses, network side is matched somebody with somebody and disappeared again by RRC (radio resource control) afterwards The secondary carrier that breath addition cell2 is UE；In UE access procedures, network side passes through rrcConnectionReconfiguration (reallocation message) is that UE configurations cell1 CQI/RI reports configuration information, in rrcConnectionReconfiguration The CQI/RI that cell2 is configured with for UE reports configuration information, and the reallocation message is used to add secondary carrier, including cycle and non- Cycle CQI's reports configuration.
Step S120, configuration information and second is reported to report configuration information according to first, it is determined whether periodic report CQI/ RI, and calculate and be used for the subframe for reporting CQI/RI on main carrier or secondary carrier.In the present embodiment, configured according to CQI/RI, UE can calculate specific CQI and report subframe k1 and k2 (k1 be to report subframe on main carrier, and k2 is reporting in secondary carrier Subframe) and RI report subframe, and pattern and report cycle are reported with obtain CQI by RRC again.Because subframe is according to CQI/ RI configures to obtain, so can reasonably and accurately transmit the UCI such as CQI/RI by it.
Step S130, after activating first community and second community as main carrier and secondary carrier in base station, according to judgement As a result the UCI information for including CQI/RI for transmission is calculated, and calculates the carrier wave where channel, UCI information represents Uplink Control Information, i.e. ascending control information.In the present embodiment, after business is done, base station activation up-downgoing master Secondary carrier, at this moment UE need to feed back main carrier and the UCI information in activated state secondary carrier；UE selections send major-minor carrier wave ACK/ NAK and CQI/RI channel, such as：It is determined that carrying out major-minor carrier wave ACK/NAK feedbacks on PUCCH, carried out on PUSCH major-minor Carrier wave CQI/RI's reports；UE determines to send the carrier wave where major-minor carrier wave ACK/NAK PUCCH channels, it is determined that sending major-minor Carrier wave where carrier wave CQI/RI PUSCH channels, such as：It is determined that the ACK/ of major-minor carrier wave is sent on the PUCCH of main carrier NAK information；Pass through the CQI/RI information with data-reusing transmission main carrier on the PUSCH of main carrier；In the PUSCH of secondary carrier It is upper to pass through the CQI/RI information that secondary carrier is sent with data-reusing.
Step S140, UCI information is sent to base station by subframe, channel and the carrier wave being calculated.According to the present embodiment Technical scheme, for single UE or more UE mixed carrier aggregation scenes, some UCI multiplexing technologies are proposed, issued in base station again with disappearing During breath, CQI/RI configuration of the terminal based on major-minor carrier wave in reallocation message, it can reasonably calculate it and be used to transmit ACK/ The UCI such as NAK, CQI/RI subframe, and then calculate transmission channel and carrier wave used；CQI/RI based on major-minor carrier wave matches somebody with somebody Put and calculated so that the technical scheme of the present embodiment can carry out UCI on appropriate time, appropriate channel and carrier wave Transmission, can effectively avoid out failed or timely transmission UCI situation from occurring, with foregoing two cells of cell1, cell2 Exemplified by flow it is as shown in Figure 2.
As shown in figure 3, a kind of uplink control information transmission under carrier aggregation is provided in one embodiment of the present of invention Method, compared to previous embodiment, the step S130 of the present embodiment is specifically included：
Step S131, when judging periodic report CQI/RI, carrier index is obtained from the daily record of end side, and detected above-mentioned The uplink authorization situation of the descending control information format 0 received in other subframes before subframe preset time.In the present embodiment, UE reports subframe according to CQI/RI is calculated, 2ms or 4ms (this and terminal inner before each carrier wave CQI/RI reports subframe Realizing relevant) UE can actively carry out CQI/RI calculating, and in calculating CQI/RI UE Log (end side daily record) --- LTE PUCCH CSF (specific Log Types) information includes Carrier Index (carrier index) instructions, for indicating currently to calculate Be which carrier wave CQI information, illustrate by taking Carrier Index=1 as an example.
Step S132, if only for the uplink authorization of main carrier, on the Physical Uplink Shared Channel of main carrier Transmit the CQI/RI of carrier index indicating cell.In the present embodiment, UE determines to send Carrier Index=1 indicating cells CQI/RI channel used：UE needs the transmission for reporting progress UCI information on subframe k1 or k2 in CQI, before being transmitted UE needs first to judge, if (4ms subframe before representing k1, k1-4 is as an example, k2-2 can also be selected herein in k1-4 Deng) UE have received DCI (Downlink Control Information) 0 (0 form) uplink authorization in subframe, UE will carry out indicating cell on PUSCH CQI/RI report.If now only authorized for the DCI0 of main carrier, then UE is right on the PUSCH of main carrier The CQI/RI of Carrier Index=1 indicating cells is reported.
Step S133, if there is the uplink authorization for main carrier and secondary carrier simultaneously, selected from main carrier and secondary carrier Select the CQI/RI of the Physical Uplink Shared Channel transmission carrier index indicating cell of carrier wave corresponding with carrier index.In this implementation In example, if the DCI0 for now having major-minor carrier wave simultaneously in k1-4 subframes is authorized, it can be seen that cell index in DCI0 Instruction has two, and cell index 1 and cell index 2, UE selection and Carrier Index indicate same cells PUSCH channels carry out CQI/RI and reported, i.e. UE carries out the UCI letters of this cell on the PUSCH of the indicating cells of Cell Index 1 Breath reports, and is sent by way of CQI/RI and data-reusing.Similarly if Carrier Index=2. are so at this One piece of UE will select the PUSCH of the indicating cells of cell Index 2 to carry out reporting for CQI/RI.
Step S134, if without uplink authorization, the Physical Uplink Control Channel in carrier index indicating cell transmits The CQI/RI of carrier index indicating cell.In the present embodiment, CQI/RI is carried out by PUCCH channels in the case of with no authorized Report.
The technical scheme of the present embodiment, carrier wave where determining transmission periodicity UCI PUSCH for UE, its idiographic flow As shown in figure 4, PCC represents main carrier in Fig. 1, when the cells of cell 1 are main carrier, PPC takes 1.
A kind of uplink control information transmission method under carrier aggregation is provided in one embodiment of the present of invention, compared to Previous embodiment, the step S130 of the present embodiment, is specifically included：
Judge it is aperiodic report CQI/RI when, from default Downlink Control Information obtain channel quality instruction request, And the Physical Uplink Shared Channel of channel quality instruction request indicating cell is selected, transmission channel quality instruction request indicating cell CQI/RI.In the present embodiment, in LTE DCI Information Report (report of LTE DCI information) message of UE sides In have CQI Request (CQI request) instruction, UE receive this instruction after need to do following judgement：If CQI Request refer to When being shown as 1,2 or 3, illustrate to need the aperiodic CQI for reporting main carrier, first secondary carrier or second secondary carrier；Then sentence The Cell Index to break in this DCI Information Report message indicate that 3GPP agreements provide DCI at present Which carrier wave Cell Index (cell index) indicate in Information Report, and UE will send non-week in this carrier wave Phase CQI, no matter the down channel quality for which carrier wave that current CQI is indicated.This there is the aperiodic CQI of all carrier waves all The problem of being transmitted on a carrier wave can be indicated on, the present embodiment proposes：UE selection CQI Request indication carrier waves PUSCH carries out the scheme that aperiodic CQI is reported, and to reach the purpose that oneself aperiodic CQI is reported in each carrier wave, UE determines transmission The idiographic flow of carrier wave is as shown in Figure 5 where aperiodicity UCI PUSCH.
As shown in fig. 6, provide a kind of terminal in one embodiment of the present of invention, base station is by first community, second community Up-downgoing carrier aggregation conspiracy relation is configured to, the terminal of the present embodiment includes：
Reallocation message receiving module 610, the first reallocation message for being used to establish connection sent for receiving base station, first Reallocation message reports configuration information for issuing corresponding with CQI/RI first under first community, and CQI/RI represents Channel Quality Indicator/rank indication, i.e. channel quality instruction/order instruction, and receive the use that base station is sent In the second reallocation message of addition secondary carrier, the second reallocation message is used to issue corresponding with CQI/RI second under second community Report configuration information.In this example, it is assumed that existing network side has two cells of cell1, cell2, cell1 and cell2 pass through Network side is configured to up-downgoing carrier aggregation conspiracy relation；After UE accesses, network side is added by RRC reallocation messages afterwards Cell2 is UE secondary carrier；In UE access procedures, network side (is matched somebody with somebody and disappeared by rrcConnectionReconfiguration again Cease) configuration information is reported for UE configurations cell1 CQI/RI, configured in rrcConnectionReconfiguration for UE Cell2 CQI/RI reports configuration information, and the reallocation message is used to add secondary carrier, including cycle and aperiodic CQI Report configuration.
Subframe computing module 620, for reporting configuration information and second to report configuration information according to first, it is determined whether week Phase reports CQI/RI, and calculates and be used for the subframe for reporting CQI/RI on main carrier or secondary carrier.In the present embodiment, according to CQI/RI is configured, and UE can calculate specific CQI and report subframe k1 and k2 (k1 be to report subframe on main carrier, supplemented by k2 Report subframe on carrier wave) and RI report subframe, and pattern and report cycle are reported with obtain CQI by RRC again.Due to son Frame is to configure to obtain according to CQI/RI, so can reasonably and accurately transmit the UCI such as CQI/RI by it.
Channel carrier wave computing module 630, first community and second community are activated as main carrier and secondary carrier in base station Afterwards, calculated according to judged result for the carrier wave where transmitting the UCI information for including CQI/RI, and calculating channel, UCI information Represent Uplink Control Information, i.e. ascending control information.In the present embodiment, after business is done, base station The major-minor carrier wave of up-downgoing is activated, at this moment UE needs to feed back main carrier and the UCI information in activated state secondary carrier；UE selections are sent Major-minor carrier wave ACK/NAK and CQI/RI channel, such as：It is determined that major-minor carrier wave ACK/NAK feedbacks are carried out on PUCCH, Reporting for major-minor carrier wave CQI/RI is carried out on PUSCH；UE determines to send the load where major-minor carrier wave ACK/NAK PUCCH channels Ripple, it is determined that the carrier wave where major-minor carrier wave CQI/RI PUSCH channels is sent, such as：It is determined that sent on the PUCCH of main carrier The ACK/NAK information of major-minor carrier wave；Pass through the CQI/RI information with data-reusing transmission main carrier on the PUSCH of main carrier； Pass through the CQI/RI information with data-reusing transmission secondary carrier on the PUSCH of secondary carrier.
Sending module 640, for sending UCI information to base station by subframe, channel and the carrier wave being calculated.According to this reality The technical scheme of example is applied, for single UE or more UE mixed carrier aggregation scenes, some UCI multiplexing technologies is proposed, is issued in base station During reallocation message, CQI/RI configuration of the terminal based on major-minor carrier wave in reallocation message, it can reasonably calculate it and be used to transmit The UCI such as ACK/NAK, CQI/RI subframe, and then calculate transmission channel and carrier wave used；CQI/ based on major-minor carrier wave RI configurations are calculated so that the technical scheme of the present embodiment can be enterprising in appropriate time, appropriate channel and carrier wave Row UCI transmission, failed or timely transmission UCI situation can be effectively avoided out to occur, with foregoing cell1, cell2 two Flow exemplified by cell is as shown in Figure 2.
A kind of terminal is provided in one embodiment of the present of invention, compared to previous embodiment, the channel carrier of the present embodiment Ripple computing module 630 obtains carrier index when judging periodic report CQI/RI from the daily record of end side, and detects above-mentioned subframe The uplink authorization situation of the descending control information format 0 received in other subframes before preset time.In the present embodiment, UE is pressed Subframe is reported according to CQI/RI is calculated, the 2ms or 4ms before each carrier wave CQI/RI reports subframe (realize by this and terminal inner It is relevant) UE can actively carry out CQI/RI calculating, and in calculating CQI/RI UE Log (end side daily record) --- LTE PUCCH CSF (specific Log Types) information includes Carrier Index (carrier index) instructions, for indicate currently to calculate which is The CQI information of individual carrier wave, illustrate by taking Carrier Index=1 as an example.
If carrier wave rope is only transmitted on the Physical Uplink Shared Channel of main carrier for the uplink authorization of main carrier Draw the CQI/RI of indicating cell.In the present embodiment, UE determines to send the CQI/RI's of Carrier Index=1 indicating cells Channel used：UE needs the transmission for reporting progress UCI information on subframe k1 or k2 in CQI, and UE needs first to sentence before being transmitted It is disconnected, if the UE in k1-4 (before representing k1 4ms subframe, k1-4 is as an example, k2-2 etc. can also be selected herein) subframe DCI (Downlink Control Information) 0 (0 form) uplink authorization is have received, UE is by the CQI/RI that indicating cell is carried out on PUSCH Report.If now only authorized for the DCI0 of main carrier, then UE is on the PUSCH of main carrier to Carrier Index=1 The CQI/RI of indicating cell is reported.
If there is the uplink authorization for main carrier and secondary carrier simultaneously, selection and carrier wave rope from main carrier and secondary carrier The CQI/RI of the Physical Uplink Shared Channel transmission carrier index indicating cell of carrier wave corresponding to drawing.In the present embodiment, if The DCI0 for now having major-minor carrier wave simultaneously in k1-4 subframes is authorized, it can be seen that cell index instructions have two in DCI0 Individual, cell index 1 and the PUSCH channels of cell index 2, UE selection and Carrier Index instructions same cells enter Row CQI/RI is reported, i.e. UE carries out the UCI information reportings of this cell on the PUSCH of Cell Index1 indicating cells, and is Sent by way of CQI/RI and data-reusing.Similarly if Carrier Index=2. will so select in this part UE The PUSCH for selecting the indicating cells of cell Index 2 carries out reporting for CQI/RI.
If without uplink authorization, the Physical Uplink Control Channel transmission carrier index in carrier index indicating cell refers to Show the CQI/RI of cell.In the present embodiment, reporting for CQI/RI is carried out by PUCCH channels in the case of with no authorized.
The technical scheme of the present embodiment, carrier wave where determining transmission periodicity UCI PUSCH for UE, its idiographic flow As shown in figure 4, PCC represents main carrier in Fig. 1, when the cells of cell 1 are main carrier, PPC takes 1.
A kind of terminal is provided in one embodiment of the present of invention, compared to previous embodiment, the channel carrier of the present embodiment Ripple computing module 630 judge it is aperiodic report CQI/RI when, from default Downlink Control Information obtain channel quality instruction Request, and the Physical Uplink Shared Channel of channel quality instruction request indicating cell is selected, transmission channel quality instruction request refers to Show the CQI/RI of cell.In the present embodiment, in LTE DCI Information Report (the LTE DCI information reports of UE sides Accuse) there are in message CQI Request (CQI request) instructions, UE to need to do following judgement after receiving this instruction：If CQI When Request is designated as 1,2 or 3, illustrate to need to report main carrier, first secondary carrier or second secondary carrier it is aperiodic CQI；Then the Cell Index instructions in this DCI Information Report message are judged, 3GPP agreements are advised at present Determine which carrier wave Cell Index (cell index) in DCI Information Report indicate, UE will be sent out in this carrier wave Aperiodic CQI is sent, no matter the down channel quality for which carrier wave that current CQI is indicated.This there is the non-week of all carrier waves Phase CQI can be indicated on the problem of being transmitted on a carrier wave, and the present embodiment proposes：UE selection CQI Request instructions The PUSCH of carrier wave carries out the scheme that aperiodic CQI is reported, and to reach the purpose that oneself aperiodic CQI is reported in each carrier wave, UE is true Surely the idiographic flow of carrier wave is as shown in Figure 5 where transmitting aperiodicity UCI PUSCH.
As shown in fig. 7, a kind of uplink control information transmission under carrier aggregation is provided in one embodiment of the present of invention Method, including：
Step S710, first community, second community are configured to up-downgoing carrier aggregation conspiracy relation.In the present embodiment In, it is assumed that existing network side has two cells of cell1, cell2, and cell1 and cell2 are configured to up-downgoing carrier wave by network side and gathered Close conspiracy relation.
Step S720, the first reallocation message for establishing connection is sent to terminal, the first reallocation message is used to issue the Corresponding with CQI/RI first under one cell reports configuration information, and CQI/RI represents Channel Quality Indicator/ Rank indication, i.e. channel quality instruction/order instruction, the second reallocation message for adding secondary carrier is sent to terminal, What the second reallocation message was used to issue under second community corresponding with CQI/RI second reports configuration information, for terminal according to first Configuration information and second is reported to report configuration information, it is determined whether periodic report CQI/RI, and calculate in main carrier or secondary carrier The upper subframe for being used to report CQI/RI.In the present embodiment, after UE accesses, network side by RRC, (assist by wireless heterogeneous networks afterwards View) reallocation message addition cell2 be UE secondary carrier；In UE access procedures, network side passes through The CQI/RI that rrcConnectionReconfiguration is UE configurations cell1 reports configuration information, The CQI/RI for being configured with cell2 in rrcConnectionReconfiguration for UE reports configuration information, the reallocation message For adding secondary carrier, configuration is reported including cycle and aperiodic CQI.UE is configured according to CQI/RI, and UE can be calculated Go out specific CQI and report subframe k1 and k2 (k1 is the subframe that reports on main carrier, and k2 is to report subframe in secondary carrier) and RI Subframe is reported, and pattern and report cycle are reported with acquisition CQI by RRC again.Because subframe is arranged to according to CQI/RI Arrive, so can reasonably and accurately transmit the UCI such as CQI/RI by it.
Step S730, after first community and second community are activated as main carrier and secondary carrier, terminal is tied according to judgement Fruit calculates the UCI information for including CQI/RI for transmission, and calculates the carrier wave where channel, and UCI information represents Uplink Control Information, i.e. ascending control information.In the present embodiment, after business is done, base station activation up-downgoing master Secondary carrier, at this moment UE need to feed back main carrier and the UCI information in activated state secondary carrier；UE selections send major-minor carrier wave ACK/ NAK and CQI/RI channel, such as：It is determined that carrying out major-minor carrier wave ACK/NAK feedbacks on PUCCH, carried out on PUSCH major-minor Carrier wave CQI/RI's reports；UE determines to send the carrier wave where major-minor carrier wave ACK/NAK PUCCH channels, it is determined that sending major-minor Carrier wave where carrier wave CQI/RI PUSCH channels, such as：It is determined that the ACK/ of major-minor carrier wave is sent on the PUCCH of main carrier NAK information；Pass through the CQI/RI information with data-reusing transmission main carrier on the PUSCH of main carrier；In the PUSCH of secondary carrier It is upper to pass through the CQI/RI information that secondary carrier is sent with data-reusing.
Step S740, the UCI information that receiving terminal is sent by the subframe, channel and the carrier wave that are calculated.According to this implementation The technical scheme of example, for single UE or more UE mixed carrier aggregation scenes, proposes some UCI multiplexing technologies, and weight is issued in base station During with message, CQI/RI configuration of the terminal based on major-minor carrier wave in reallocation message, it can reasonably calculate it and be used to transmit The UCI such as ACK/NAK, CQI/RI subframe, and then calculate transmission channel and carrier wave used；CQI/ based on major-minor carrier wave RI configurations are calculated so that the technical scheme of the present embodiment can be enterprising in appropriate time, appropriate channel and carrier wave Row UCI transmission, failed or timely transmission UCI situation can be effectively avoided out to occur, with foregoing cell1, cell2 two Flow exemplified by cell is as shown in Figure 2.
As shown in figure 8, a kind of uplink control information transmission under carrier aggregation is provided in one embodiment of the present of invention Method, compared to previous embodiment, the step S840 of the present embodiment, specifically include：
Step S841, when terminal judges periodic report CQI/RI, detect awarding to the descending control information format 0 of terminal Power situation.In the present embodiment, in UE access procedures, base station side rrc layer can pass through The parameter that configuration is reported including CQI/RI is handed down to UE and base station by rrcConnectionReconfiguration respectively The layers such as MAC/PHY, oneself so is learnt while CQI/RI reports configuration on each carrier wave in UE, base station is it is also known that UE is reported The relevant parameter of these information, and calculate the UE on each carrier wave by these parameters and report the specific subframes of CQI/RI and week Phase.In the case of no uplink service, base station can carry out major-minor carrier wave CQI/RI on the PUCCH channels of main carrier for base station.
Step S842, if only for the uplink authorization of main carrier, on the Physical Uplink Shared Channel of main carrier Receive main carrier and the CQI/RI of secondary carrier.In the present embodiment, when there is uplink service, base station is carried out on PUSCH channels CQI/RI detection receives, and at this moment base station needs enterprising in the PUSCH of which carrier wave to determine bottom by current DCI mandates Row detection：When the only uplink authorization of main carrier during base station detects that the DCI that UE is handed down to by PDCCH is authorized, base station meeting The CQI/RI detections that major-minor carrier wave is carried out on the PUSCH channels of main carrier receive.
Step S843, if there is the uplink authorization for main carrier and secondary carrier simultaneously, judge that present sub-frame belongs to main load Ripple or secondary carrier, and select the Physical Uplink Shared Channel reception of corresponding carrier wave to correspond to the CQI/ of carrier wave according to judged result RI.In the present embodiment, when having the uplink authorization of major-minor carrier wave simultaneously in DCI mandates, base station needs to judge：Current son Frame is that the CQI/RI on which carrier wave reports subframe, is to report which carrier wave is subframe just select on which carrier wave, i.e., if worked as Preceding subframe is the subframe that reports of main carrier, and the detection for the CQI/RI that base station will carry out main carrier on the PUSCH of main carrier connects Receive, similarly if present sub-frame is the subframe that reports of first secondary carrier, base station will first secondary carrier PUSCH it is enterprising Row carrier wave CQI/RI detection receives.Base station determines that periodicity CQI/RI detections are carried out on the PUSCH of which carrier wave to be received Idiographic flow it is as shown in Figure 9.
The uplink control information transmission method under a kind of carrier aggregation is provided in one embodiment of the present of invention, compared to Previous embodiment, the step S840 of the present embodiment, is specifically included：Terminal judge it is aperiodic report CQI/RI when, from default Channel quality instruction request is obtained in Downlink Control Information, and selects the physical uplink of channel quality instruction request indicating cell to be total to Channel is enjoyed, receives the CQI/RI of channel quality instruction request indicating cell.In the present embodiment, due to the aperiodic CQI/RI's of UE On call time and determined completely by base station instruction, so base station instruction sends CQI information on which carrier wave, then will be at which Aperiodic CQI reception is waited on the PUSCH of individual carrier wave, prior art base station passes through in PDCCH DCI Information Cell Index instructions UE sends aperiodic CQI carrier wave, and corresponding base station can also carry out aperiodic connect on this carrier wave Receive, the UE that mentions of the present invention is indicated aperiodic to judge to send in which carrier wave by CQI Request, and corresponding base station connects Receipts mechanism will also change, and concrete scheme is as follows：It is handed down to by PDCCH in UE DCI Information once base station When CQI Request are 1,2 or 3, illustrate to need to report main carrier, first secondary carrier or second secondary carrier it is aperiodic CQI, that currently indicate is the aperiodic CQI of which carrier wave, then base station just carries out aperiodic CQI/ on the PUSCH of the carrier wave RI detection receives.DCI information it goes without doing any change in this approach.
As shown in Figure 10, a kind of base station is provided in one embodiment of the present of invention, including：
Configuration module 1010, for first community, second community to be configured into up-downgoing carrier aggregation conspiracy relation.At this In embodiment, it is assumed that existing network side has two cells of cell1, cell2, and cell1 and cell2 are configured to up-downgoing by network side Carrier aggregation conspiracy relation.
Reallocation message sending module 1020, for sending the first reallocation message for establishing connection, the first weight to terminal Configuration information is reported with message is used to issue under first community corresponding with CQI/RI first, CQI/RI represents Channel Quality Indicator/rank indication, i.e. channel quality instruction/order instruction are sent for adding auxiliary load to terminal Second reallocation message of ripple, what the second reallocation message was used to issue under second community corresponding with CQI/RI second reports with confidence Breath, it is determined whether periodic report CQI/RI, and report configuration information and second to report configuration information according to first for terminal, calculate It is used for the subframe for reporting CQI/RI on main carrier or secondary carrier.In the present embodiment, after UE accesses, network side passes through afterwards The secondary carrier that RRC (radio resource control) reallocation message addition cell2 is UE；In UE access procedures, network side passes through The CQI/RI that rrcConnectionReconfiguration is UE configurations cell1 reports configuration information, The CQI/RI for being configured with cell2 in rrcConnectionReconfiguration for UE reports configuration information, the reallocation message For adding secondary carrier, configuration is reported including cycle and aperiodic CQI.UE is configured according to CQI/RI, and UE can be calculated Go out specific CQI and report subframe k1 and k2 (k1 is the subframe that reports on main carrier, and k2 is to report subframe in secondary carrier) and RI Subframe is reported, and pattern and report cycle are reported with acquisition CQI by RRC again.Because subframe is arranged to according to CQI/RI Arrive, so can reasonably and accurately transmit the UCI such as CQI/RI by it.
Carrier activation module 1030, after using first community and second community as main carrier and secondary carrier activation, eventually End is calculated for the carrier wave where transmitting the UCI information for including CQI/RI, and calculating channel, UCI information according to judged result Represent Uplink Control Information, i.e. ascending control information.In the present embodiment, after business is done, base station The major-minor carrier wave of up-downgoing is activated, at this moment UE needs to feed back main carrier and the UCI information in activated state secondary carrier；UE selections are sent Major-minor carrier wave ACK/NAK and CQI/RI channel, such as：It is determined that major-minor carrier wave ACK/NAK feedbacks are carried out on PUCCH, Reporting for major-minor carrier wave CQI/RI is carried out on PUSCH；UE determines to send the load where major-minor carrier wave ACK/NAK PUCCH channels Ripple, it is determined that the carrier wave where major-minor carrier wave CQI/RI PUSCH channels is sent, such as：It is determined that sent on the PUCCH of main carrier The ACK/NAK information of major-minor carrier wave；Pass through the CQI/RI information with data-reusing transmission main carrier on the PUSCH of main carrier； Pass through the CQI/RI information with data-reusing transmission secondary carrier on the PUSCH of secondary carrier.
Receiving module 1040, the UCI information sent for receiving terminal by the subframe, channel and the carrier wave that are calculated.Root According to the technical scheme of the present embodiment, for single UE or more UE mixed carrier aggregation scenes, some UCI multiplexing technologies are proposed, in base When station issues reallocation message, CQI/RI configuration of the terminal based on major-minor carrier wave in reallocation message, its use can be reasonably calculated In the UCI such as transmission ACK/NAK, CQI/RI subframe, and then calculate transmission channel and carrier wave used；Based on major-minor carrier wave CQI/RI configuration calculated so that the technical scheme of the present embodiment can be in appropriate time, appropriate channel and load UCI transmission is carried out on ripple, can effectively avoid out failed or timely transmission UCI situation from occurring, with foregoing cell1, Flow exemplified by two cells of cell2 is as shown in Figure 2.
A kind of base station is provided in one embodiment of the present of invention, compared to previous embodiment, the reception mould of the present embodiment Block 1040 detects the authorization conditions to the descending control information format 0 of terminal when terminal judges periodic report CQI/RI.At this In embodiment, in UE access procedures, base station side rrc layer be able to will be included by rrcConnectionReconfiguration CQI/RI reports the parameter of configuration to be handed down to the layer such as UE and the MAC/PHY of base station respectively, so learns oneself in each carrier wave in UE While upper CQI/RI reports configuration, base station is it is also known that UE reports the relevant parameter of these information, and passes through these parameter meters Calculate the UE on each carrier wave and report the specific subframes of CQI/RI and cycle.Base station is in the case of no uplink service, base station meeting Major-minor carrier wave CQI/RI is carried out on the PUCCH channels of main carrier.
If only receive main carrier on the Physical Uplink Shared Channel of main carrier for the uplink authorization of main carrier With the CQI/RI of secondary carrier.In the present embodiment, when there is uplink service, base station carries out CQI/RI inspection on PUSCH channels Survey and receive, at this moment base station needs to authorize by current DCI and detected to determine bottom on the PUSCH of which carrier wave：When Base station detects that base station can be in main carrier when the only uplink authorization of main carrier is handed down in UE DCI mandates by PDCCH The CQI/RI detections that major-minor carrier wave is carried out on PUSCH channels receive.
If there is the uplink authorization for main carrier and secondary carrier simultaneously, judge that present sub-frame belongs to main carrier or auxiliary load Ripple, and select the Physical Uplink Shared Channel reception of corresponding carrier wave to correspond to the CQI/RI of carrier wave according to judged result.In this implementation In example, when having the uplink authorization of major-minor carrier wave simultaneously in DCI mandates, base station needs to judge：Present sub-frame is which is carried CQI/RI on ripple reports subframe, is to report which carrier wave is subframe just select on which carrier wave, i.e., if present sub-frame is main Carrier wave reports subframe, and the detection that base station will carry out the CQI/RI of main carrier on the PUSCH of main carrier receives, similarly if Present sub-frame is that first secondary carrier reports subframe, and base station will carry out the carrier wave on the PUSCH of first secondary carrier CQI/RI detection receives.Base station determines to carry out the specific stream that periodicity CQI/RI detections receive on the PUSCH of which carrier wave Journey is as shown in Figure 9.
A kind of base station is provided in one embodiment of the present of invention, compared to previous embodiment, the reception mould of the present embodiment Block 1040 terminal judge it is aperiodic report the CQI/RI when, from default Downlink Control Information obtain channel quality instruction Request, and the Physical Uplink Shared Channel of channel quality instruction request indicating cell is selected, receive channel quality instruction request and refer to Show the CQI/RI of cell.In the present embodiment, determined completely by base station instruction due to being called time on the aperiodic CQI/RI of UE, So base station instruction sends CQI information on which carrier wave, then aperiodic CQI will be waited on the PUSCH of which carrier wave Reception, prior art base station passes through Cell Index in PDCCH DCI Information and indicates that UE sends aperiodic CQI's Carrier wave, corresponding base station can also carry out aperiodic reception on this carrier wave, and the UE that the present invention mentions passes through CQI Request Instruction is aperiodic to judge to send in which carrier wave, and the reception mechanism of corresponding base station will also change, and concrete scheme is as follows： Once CQI Request are handed down in UE DCI Information in base station by PDCCH when being 1,2 or 3, illustrate on needs The aperiodic CQI of main carrier, first secondary carrier or second secondary carrier is reported, what is currently indicated is the aperiodic of which carrier wave CQI, then the detection that base station just carries out aperiodic CQI/RI on the PUSCH of the carrier wave receives.DCI information in this approach Any change that it goes without doing.
According to above example, it is seen that in the uplink control information transmission method of the present invention, terminal and base station：
1) for single UE, ascending control information UCI transmission technology, passes through under up-downgoing carrier aggregation RrcConnectionReconfiguration can learn the CQI/RI configurations of major-minor carrier wave, and UE calculates according to the configuration Specific subframe k1, k2 that UCI is reported, when sending UCI information, UE can select the major-minor carrier wave of the PUCCH feedback of main carrier ACK/NAK message, select the PUSCH of main carrier to send the CQI/RI message of main carrier, select the PUSCH of secondary carrier to send auxiliary load The CQI/RI message of ripple.
2) method for determining to transmit the carrier wave where periodicity UCI PUSCH for UE, the present invention propose UE selection UE sides The PUSCH of Carrier Index indication carrier waves carries out reporting for this carrier cycle CQI in log LTE PUCCH CSF information.
3) method of carrier wave where transmission aperiodicity UCI PUSCH is determined for UE, the present invention propose UE selections DCI The PUSCH of the current carrier that the aperiodic CQI of needs in information indicated by CQI Request is reported sends this load The aperiodic CQI information of ripple.
4) method for determining to carry out the reception of periodicity UCI information on the PUSCH of which up-link carrier for base station, this hair In the bright subframe for proposing to send subframe k1-4 and k2-4 in periodicity UCI, base station is judged, if this time base station give UE has issued uplink authorization and has wherein had cell index instructions, then base station is exactly the cell index indication carrier waves Periodicity CQI reception is carried out on PUSCH.
5) method for determining to carry out the reception of aperiodicity UCI information on the PUSCH of which up-link carrier for base station, or Base station issues the method that aperiodic CQI reports mandate, and the present invention proposes that two kinds of aperiodic CQI report indicating means, and it is pressed in base station UE CQI Request instructions are handed down to, its corresponding carrier wave is found from rrcConnectionReconfiguration Cell index, and indicated carrier wave is defined as receiving the carrier wave where CQI PUSCH；Base station will be handed down to UE to it DCI message in cell index instructions judged, if wherein cell index and CQI Request indicate different loads Ripple, cell index will be modified, and finally cause cell index and CQI Request to indicate same carrier wave, and really The carrier wave being set to where the PUSCH for receiving aperiodic CQI.
Based on above-mentioned technical proposal, one or more embodiments of the invention solves problems with：
1) in the case that carrier number is more than 1, and each carrier wave all has uplink service, the periodicity CQI of all carrier waves Being reported by the PUSCH multiplexings of main carrier, this can additionally take the PUSCH resources of main carrier, and secondary carrier number is more, that The more PUSCH resources of main carrier will be taken to report the UCI information of these secondary carriers, this is one for main carrier The loss of kind resource.
2) when the main carrier secondary carrier as other UE simultaneously of current UE, the resource allocation of uplink service can receive shadow Ring.One cell can also be as other multiple UE secondary carrier while as this UE main carrier, then makees when with it More for the UE numbers of secondary carrier, the resource that the uplink service of these UE secondary carriers can be assigned to is fewer, so to meet I.e. as main carrier, the resource allocation as secondary carrier in this case, the present invention consider main carrier cell one cell again The resource reported as UCI is as far as possible reserved, in case being used when it is as other UE secondary carriers.
3) the scheduling resistance that the same time needs to bring when main carrier feeds back the UCI information of multiple cells in UE is avoided Plug；Especially pattern is reported in periodic UE selections subband CQI.
4) solving same subframe needs when reporting multiple carrier cycle CQI on main carrier, the collision of CQI report cycles The problem of.
5) solve：When the aperiodicity CQI of the periodicity CQI of carrier wave 1 and carrier wave 2 and other carrier waves is touched in same subframe The problem of hitting.
Combine the process that UE under a mixed carrier aggregation scene of the technical scheme of above-described embodiment determines transmission UCI Illustrate.In actual life, often same cell is used as secondary carrier, a cell same time again as main carrier There may be multiple UE to access, first this complicated scene is described by taking three carrier waves, three UE as an example below, then proposed this The flow of carrier wave where UE determines transmission UCI PUSCH under scene：
Scene description：UE1, UE2, UE3 tri- cells of tri- UE, cell1, cell2, cell3, UE1 are carried based on cell1 Ripple, cell2 are secondary carrier；For UE2 using cell2 as main carrier, cell3 is secondary carrier；Using cell3 as main carrier, cell1 is UE3 Secondary carrier, three cells are used as secondary carrier again as main carrier respectively, and same time each cell there is more than 1 UE reality Example.
The first step：Base station side configuration cell1 and cell2, cell2 and cell3, cell3 and cell1 cooperate with for CA up-downgoings The relation and maximum each number of secondary carrier of configuration is 1, the scene of three carrier waves and more multicarrier needs to redeploy.
Second step：The CQI/RI that cell1 can be issued with middle base station again in the RRC that UE1 is initially accessed reports configuration, is adding The RRC of secondary carrier reports configuration with the middle CQI/RI that can issue cell2 again；The RRC that UE2 is initially accessed again with middle base station can under Hair cell2 CQI/RI reports configuration, and configuration is reported with the middle CQI/RI that can issue cell3 again in the RRC of addition secondary carrier； The CQI/RI that the RRC that UE3 is initially accessed can issue cell3 with middle base station again reports configuration, in the RRC of addition secondary carrier matches somebody with somebody again The CQI/RI that cell1 can be issued reports configuration；CQI/RI configuration possibility of the same UE under different carrier waves is identical may also be different.
3rd step：Three UE all access cell according to the deployment in step 2 and with the addition of corresponding secondary carrier, to each UE does up-downgoing business so that the major-minor carrier wave of up-downgoing all activates；
4th step：CQI/RI is reported, and is specifically shown in description below：
For periodicity UCI：
The periodicity CQI that UE1 carries out cell1 on cell1 PUSCH is reported, and cell2 is carried out on cell2 PUSCH Periodicity CQI report；The periodicity CQI that UE2 carries out cell2 on cell2 PUSCH is reported, on cell3 PUSCH The periodicity CQI for carrying out cell3 is reported；The periodicity CQI that UE3 carries out cell3 on cell3 PUSCH is reported, in cell1 PUSCH on carry out cell1 periodicity CQI report；Specifically report scheme as in the foregoing embodiment.
For aperiodicity UCI：
The aperiodicity CQI that UE1 carries out cell1 on cell1 PUSCH is reported, and is carried out on cell2 PUSCH Cell2 aperiodicity CQI is reported；The aperiodicity CQI that UE2 carries out cell2 on cell2 PUSCH is reported, in cell3 PUSCH on carry out cell3 aperiodicity CQI report；UE3 carries out cell3 aperiodicity CQI on cell3 PUSCH Report, the aperiodicity CQI that cell1 is carried out on cell1 PUSCH is reported；Specifically report scheme as in the foregoing embodiment.
Correspondingly, under more UE mixed carriers aggregation scenes base station it needs to be determined that the PUSCH in which up-link carrier is enterprising Row UCI information receives：
For periodicity UCI：
Due to it is up be HARQ synchronous transfers, UE can award after 4 subframes of DCI0 uplink authorizations are received for FDD The PUSCH channels of the carrier wave of power carry out the transmission of upstream data.
The first step：After the completion of UE1 accesses, base station can be learnt from RRC reallocation messages, CQI/RI under cell1 and cell2 Report cycle simultaneously calculates the subframe specifically reported, afterwards reporting in subframe if upstream data in CQI, and base station can be PUSCH detections CQI's reports information.And indicated according to the Cell Index in DCI0 during uplink authorization to determine in cell1 Or detected on cell2 PUSCH, it is specific as previous embodiment describes.
Second step：Equally after the completion of UE2 accesses, base station can be learnt from RRC reallocation messages, CQI under cell2 and cell3 Report cycle and calculate the subframe specifically reported, up-link carrier activate in the case of, base station can PUSCH detect CQI Report information.And indicated according to the Cell Index in DCI0 during uplink authorization to determine cell2's or cell3 Received on PUSCH, specific previous embodiment description.
3rd step：Equally after the completion of UE3 accesses, base station can be learnt from RRC reallocation messages, CQI under cell3 and cell1 Report cycle and calculate the subframe specifically reported, up-link carrier activate in the case of, base station can PUSCH detect CQI Report information.And indicated according to the Cell Index in DCI 0 during uplink authorization to determine cell3's or cell1 CQI reception is carried out on PUSCH, is specifically shown in previous embodiment description.
For aperiodicity UCI:
For each UE major-minor carrier wave, base station instruction current UE sends CQI/RI information on which carrier wave, that Aperiodic CQI/RI reception, specific previous embodiment description will be waited on the PUSCH of which carrier wave.
Above by reference to the preferred embodiments of the present invention have been illustrated, not thereby limit to the interest field of the present invention.This Art personnel do not depart from the scope of the present invention and essence, can have a variety of flexible programs to realize the present invention, for example as one The feature of individual embodiment can be used for another embodiment and obtain another embodiment.All institutes within the technical concept with the present invention The all any modification, equivalent and improvement of work, all should be within the interest field of the present invention.

Claims (12)

1. a kind of uplink control information transmission method, it is characterised in that first community, second community are configured to up-downgoing by base station Carrier aggregation conspiracy relation, methods described include：
The first reallocation message for being used to establish connection that base station is sent is received, first reallocation message is used to issue described first Corresponding with CQI/RI first under cell reports configuration information, and the CQI/RI represents Channel Quality Indicator/rank indication, i.e. channel quality instruction/order instruction, and receive that the base station sends are used to add Add the second reallocation message of secondary carrier, second reallocation message be used to issue under the second community with described CQI/RI pairs Second answered reports configuration information；
Configuration information and described second is reported to report configuration information according to described first, it is determined whether CQI/ described in periodic report RI, and calculate and be used for the subframe for reporting the CQI/RI on main carrier or secondary carrier；
After the first community and the second community are activated as the main carrier and the secondary carrier in the base station, root It is judged that result calculates the UCI information for including the CQI/RI for transmission, and the carrier wave where the channel is calculated, it is described UCI information represents Uplink Control Information, i.e. ascending control information；
By subframe, the channel and the carrier wave being calculated the UCI information is sent to the base station.
2. according to the method for claim 1, it is characterised in that calculated according to judged result and include the CQI/ for transmitting RI UCI information, and the carrier wave where the channel is calculated, specifically include：
When judging CQI/RI described in periodic report, carrier index is obtained from the daily record of end side, and detects the subframe and presets The uplink authorization situation of the descending control information format 0 received in other subframes before time；
If institute is only transmitted on the Physical Uplink Shared Channel of the main carrier for the uplink authorization of the main carrier State the CQI/RI of carrier index indicating cell；
If there is the uplink authorization for the main carrier and the secondary carrier simultaneously, from the main carrier and the secondary carrier The Physical Uplink Shared Channel of selection carrier wave corresponding with the carrier index transmits the described of the carrier index indicating cell CQI/RI；
If without uplink authorization, the Physical Uplink Control Channel in the carrier index indicating cell transmits the carrier wave rope Draw the CQI/RI of indicating cell.
3. according to the method for claim 1, it is characterised in that calculated according to judged result and include the CQI/ for transmitting RI UCI information, and the carrier wave where the channel is calculated, specifically include：
Judge it is aperiodic report the CQI/RI when, from default Downlink Control Information obtain channel quality instruction request, And the Physical Uplink Shared Channel of the channel quality instruction request indicating cell is selected, transmit the channel quality instruction request The CQI/RI of indicating cell.
4. a kind of terminal, it is characterised in that first community, second community are configured to the collaboration of up-downgoing carrier aggregation and closed by base station System, the terminal include：
Reallocation message receiving module, for receiving the first reallocation message for being used to establish connection of base station transmission, first weight Configuration information is reported with message is used to issue under the first community corresponding with CQI/RI first, the CQI/RI is represented Channel Quality Indicator/rank indication, i.e. channel quality instruction/order instruction, and described in reception The second reallocation message for being used to add secondary carrier that base station is sent, second reallocation message are used to issue under the second community Corresponding with the CQI/RI second report configuration information；
Subframe computing module, for reporting configuration information and described second to report configuration information according to described first, it is determined whether CQI/RI described in periodic report, and calculate and be used for the subframe for reporting the CQI/RI on main carrier or secondary carrier；
Channel carrier wave computing module, in the base station using the first community and the second community as the main carrier After being activated with the secondary carrier, calculated according to judged result for transmitting the UCI information for including the CQI/RI, and calculating institute The carrier wave where channel is stated, the UCI information represents Uplink Control Information, i.e. ascending control information；
Sending module, believe for sending the UCI to the base station by subframe, the channel and the carrier wave being calculated Breath.
5. terminal according to claim 4, it is characterised in that
The channel carrier wave computing module obtains carrier index when judging CQI/RI described in periodic report from the daily record of end side, And detect the uplink authorization situation of the descending control information format 0 received in other subframes before the subframe preset time；Such as Fruit only has the uplink authorization for the main carrier, then the carrier wave is transmitted on the Physical Uplink Shared Channel of the main carrier Index the CQI/RI of indicating cell；If there is the uplink authorization for the main carrier and the secondary carrier simultaneously, from institute State and selected in main carrier and the secondary carrier described in the Physical Uplink Shared Channel transmission of carrier wave corresponding with the carrier index The CQI/RI of carrier index indicating cell；If without uplink authorization, the physics in the carrier index indicating cell Ascending control channel transmits the CQI/RI of the carrier index indicating cell.
6. terminal according to claim 4, it is characterised in that
The channel carrier wave computing module judge it is aperiodic report the CQI/RI when, obtained from default Downlink Control Information Win the confidence quality indication request, and select the Physical Uplink Shared Channel of the channel quality instruction request indicating cell, transmission The CQI/RI of the channel quality instruction request indicating cell.
A kind of 7. uplink control information transmission method under carrier aggregation, it is characterised in that including：
First community, second community are configured to up-downgoing carrier aggregation conspiracy relation；
The first reallocation message for establishing connection is sent to terminal, first reallocation message is used to issue the first community Under corresponding with CQI/RI first report configuration information, the CQI/RI represents Channel Quality Indicator/ Rank indication, i.e. channel quality instruction/order instruction, send to the terminal and second match somebody with somebody again for add secondary carrier Message, what second reallocation message was used to issue under the second community corresponding with the CQI/RI second reports with confidence Breath, reports configuration information and described second to report configuration information, it is determined whether periodic report for the terminal according to described first The CQI/RI, and calculate and be used for the subframe for reporting the CQI/RI on main carrier or secondary carrier；
After using the first community and the second community as the main carrier and secondary carrier activation, the terminal according to Judged result calculates the UCI information for including the CQI/RI for transmission, and calculates the carrier wave where the channel, described UCI information represents Uplink Control Information, i.e. ascending control information；
Receive the UCI information that the terminal is sent by the subframe, the channel and the carrier wave that are calculated.
8. according to the method for claim 7, it is characterised in that receive the terminal by be calculated subframe, the letter The UCI information that road and the carrier wave are sent, is specifically included：
When the terminal judges CQI/RI described in periodic report, awarding to the descending control information format 0 of the terminal is detected Power situation：
If institute is only received on the Physical Uplink Shared Channel of the main carrier for the uplink authorization of the main carrier State main carrier and the CQI/RI of the secondary carrier；
If there is the uplink authorization for the main carrier and the secondary carrier simultaneously, judge that present sub-frame belongs to the main carrier Or secondary carrier, and select the Physical Uplink Shared Channel of corresponding carrier wave to receive the corresponding carrier wave according to judged result The CQI/RI.
9. according to the method for claim 7, it is characterised in that receive the terminal by be calculated subframe, the letter The UCI information that road and the carrier wave are sent, is specifically included：
The terminal judge it is aperiodic report the CQI/RI when, from default Downlink Control Information obtain channel quality refer to Show request, and select the Physical Uplink Shared Channel of the channel quality instruction request indicating cell, receive the channel quality Indicate the CQI/RI of request indicating cell.
A kind of 10. base station, it is characterised in that including：
Configuration module, for first community, second community to be configured into up-downgoing carrier aggregation conspiracy relation；
Reallocation message sending module, for sending the first reallocation message for establishing connection to terminal, described first again with disappearing Cease and report configuration information for issuing corresponding with CQI/RI first under the first community, the CQI/RI is represented Channel Quality Indicator/rank indication, i.e. channel quality instruction/order instruction, sent out to the terminal Send the second reallocation message for adding secondary carrier, second reallocation message be used to issue under the second community with it is described Second reports configuration information corresponding to CQI/RI, reports configuration information and described second to report according to described first for the terminal Configuration information, it is determined whether CQI/RI described in periodic report, and calculate and be used to report the CQI/ on main carrier or secondary carrier RI subframe；
Carrier activation module, for the first community and the second community to be swashed as the main carrier and the secondary carrier After work, the terminal is calculated for transmitting the UCI information for including the CQI/RI, and the calculating channel according to judged result The carrier wave at place, the UCI information represent Uplink Control Information, i.e. ascending control information；
Receiving module, the UCI sent for receiving the terminal by the subframe, the channel and the carrier wave that are calculated Information I.
11. base station according to claim 10, it is characterised in that
The receiving module detects the descending control letter to the terminal when the terminal judges CQI/RI described in periodic report Cease the authorization conditions of form 0：If only it is total to for the uplink authorization of the main carrier in the physical uplink of the main carrier Enjoy the CQI/RI that the main carrier and the secondary carrier are received on channel；If have simultaneously for the main carrier and described The uplink authorization of secondary carrier, judge that present sub-frame belongs to the main carrier or secondary carrier, and select to correspond to according to judged result The Physical Uplink Shared Channel of carrier wave receives the CQI/RI of the corresponding carrier wave.
12. base station according to claim 10, it is characterised in that
The receiving module the terminal judge it is aperiodic report the CQI/RI when, obtained from default Downlink Control Information Win the confidence quality indication request, and select the Physical Uplink Shared Channel of the channel quality instruction request indicating cell, receive The CQI/RI of the channel quality instruction request indicating cell.
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