CN106067845A - The method of multiplexing uplink information - Google Patents

The method of multiplexing uplink information Download PDF

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Publication number
CN106067845A
CN106067845A CN201510612583.8A CN201510612583A CN106067845A CN 106067845 A CN106067845 A CN 106067845A CN 201510612583 A CN201510612583 A CN 201510612583A CN 106067845 A CN106067845 A CN 106067845A
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China
Prior art keywords
csi
information
uci
channel
prb
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CN201510612583.8A
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Chinese (zh)
Inventor
李迎阳
孙程君
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Beijing Samsung Telecom R&D Center
Beijing Samsung Telecommunications Technology Research Co Ltd
Samsung Electronics Co Ltd
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Beijing Samsung Telecommunications Technology Research Co Ltd
Samsung Electronics Co Ltd
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Application filed by Beijing Samsung Telecommunications Technology Research Co Ltd, Samsung Electronics Co Ltd filed Critical Beijing Samsung Telecommunications Technology Research Co Ltd
Priority to PCT/KR2016/003799 priority Critical patent/WO2016163855A1/en
Publication of CN106067845A publication Critical patent/CN106067845A/en
Pending legal-status Critical Current

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1896—ARQ related signaling
    • 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
    • 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
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • 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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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The method that this application discloses one multiplexing ascending control information (UCI) on the uplink channel, first, UCI is classified by UE, and the UCI of difference classification is encoded respectively, rate-matched and modulation, then, UE maps the UCI of different classification the most respectively.Disclosed herein as well is a kind of P CSI of multiplexing on the uplink channel and the method and apparatus of number of modulation symbols that the method and apparatus of A CSI, a kind of UCI of determination take and a kind of method and apparatus determining the ascending physical signal Resource Block for uplink.The invention provides a kind of general physical resource mapping method to process multiple uplink information, ensure that the reliability requirement of different UCI information, optimization is fed back P CSI together with A CSI thus is reduced feedback overhead, and the uplink channel resources that base station is distributed can be made full use of, improve ascending resource utilization rate.

Description

The method of multiplexing uplink information
Technical field
The present invention relates to wireless communication system, more specifically to LTE carrier aggregation system multiplexing on the uplink channel The method of polytype uplink information.
Background technology
In Long Term Evolution (LTE) system, transmit downlink data, phase based on hybrid automatic repeat-request (HARQ) technology Ying Di, subscriber equipment (UE) is receiving after the data of base station, needs correspondingly to feed back HARQ-ACK information, i.e. feeds back ACK one transmission block (TB) of instruction is properly received, and feeds back NACK and indicate TB reception failure.The HARQ-ACK information of UE is all right Being discontinuous transmission (DTX), i.e. represent UE and do not receive the descending scheduling signaling (DL grant) of base station, this can be that base station is true The resource not dispatching UE, or the base station scheduling resource of UE, but UE do not receives the DL grant of base station.In order to drop Low feedback overhead, when usual UE feeds back HARQ-ACK information, can not differentiate between NACK and DTX, such that it is able to refer to 1 bit Show the reception state of a TB.A community to FDD system, has only to feed back a descending sub frame in a sub-frame of uplink The HARQ-ACK information of interior data；A community to TDD system, when the descending sub frame data in its frame structure are more than up During subframe, in a sub-frame of uplink, typically need to feed back the HARQ-ACK information of the data in multiple descending sub frame, described many Individual descending sub frame is referred to as the binding window of this sub-frame of uplink corresponding.Such as, the size of the binding window of LTE TDD cell is permissible It is 1,2,3,4 or 9.
In the enhancing system of LTE system, obtain bigger bandwidth of operation, structure by combining multiple unit carrier waves (CC) Become downlink and the up-link, i.e. carrier aggregation (CA) technology of communication system, thus support higher transfer rate.To mesh Till before, support various types of CA, it may be assumed that the community being polymerized can Dou Shi FDD community, it is also possible to be all TDD cell And the TDD uplink-downlink configuration of these TDD cell is identical, it is also possible to be all the TDD up-downgoing of TDD cell but these TDD cell Differently configured, additionally, also support FDD community and the polymerization of TDD cell, and the uplink-downlink configuration of TDD cell can be half quiet State configuration or dynamically change.
To a UE, when being configured with CA pattern, a community is main plot (Pcell), and other communities are referred to as secondary little District (Scell).According to the method for LTE, based on HARQ mechanism, Pcell and Scell being transmitted downlink data, correspondingly, UE needs Feed back the HARQ-ACK information of multiple community.That is, it needs to feedback HARQ-ACK quantity of information relative to single community situation at double Add.According to the method for LTE, it it is the HARQ-ACK letter of the community feeding back all configurations on a PUCCH channel of Pcell Breath.According to the method for LTE, the community to a configuration, it is that the transmission mode of the size according to its binding window and configuration is come really The fixed HARQ-ACK bit number needing feedback, and obtain needing feedback according to the HARQ-ACK bit number of the community of all configurations HARQ-ACK total number of bits.Use the reason of this method be community based on RRC signal deployment be ratio for base station and UE Relatively reliable.
According to the method for LTE, supporting Physical Uplink Control Channel (PUCCH) form 3 at present, its basic thought is to multiple HARQ-ACK bit, such as the HARQ-ACK bit from the community of multiple configurations carry out combined coding, and are mapped to physics letter Road transmits.PUCCH format 3 at most can be supported to transmit 22 bits.According to the method for LTE, when needs are gone shared physically When the upper feeding back uplink of channel (PUSCH) controls information (UCI), it is to use different processing methods to different types of UCI.Such as figure It is multiplexing HARQ-ACK, order instruction (RI) and channel quality instruction (CQI)/pre-coding matrix instruction on PUSCH shown in 1 (PMI) schematic diagram.Wherein: CQI/PMI information is after coding and rate-matched, identical with the mapping method of upstream data, is The method using time priority maps.HARQ-ACK information is to be mapped on 4 symbols on DMRS side transmission, and uses The frequency direction contrary with CQI/PMI maps, so, when HARQ-ACK information needs Resource Unit (RE) number taken more Time, HARQ-ACK information can cover the RE that CQI/PMI takies, thus protect importance higher HARQ-ACK information.Class Being similar to HARQ-ACK information, RI information is to be mapped to the symbol on HARQ-ACK information side, and is also to use and CQI/PMI phase Anti-frequency direction maps, and so, when the RE number that RI information needs take is more, RI information can cover CQI/PMI and account for RE, thus protect importance higher RI information.
3GPP standardization body is standardized work, example to the enhancing CA technology being polymerized more community at present As, the number of cells of polymerization can reach 32.At this moment, for a UE, can be all configurations little is distinguished into many Individual group, or, it is also possible to only one of which group；And to each group, on the PUCCH of a community, feed back HARQ-ACK letter respectively Breath, the community of this feedback HARQ-ACK information is similar to the Pcell in existing CA technology.Here, the number of cells of each group Still the maximum aggregation cell number of existing CA technical support can be exceeded.Because needing feedback on the PUCCH of a community The number of cells of HARQ-ACK information adds, and under the influence of not too much in the case of row data transmission performance, necessarily causes The HARQ-ACK total number of bits needing feedback on PUCCH increases, such as, more than 22 bits.It practice, UE transmits at up direction UCI information can also include dispatch request (SR) and channel status instruction (CSI), and CSI is further divided into cycle CSI And CSI aperiodic (A-CSI) (P-CSI).Correspondingly, in order to support the UCI transmission more than 22 bits, need to define a kind of new PUCCH format.This form can be brand-new, or, it is also possible to be based on existing PUCCH format 3, PUSCH or its He obtains by channel architecture, hereafter referred to collectively as PUCCH format X.Because introducing PUCCH format X, necessarily bring a series of shadow Ring, correspondingly need the design concrete transmission method to UCI.
Summary of the invention
The application aims to provide the method and apparatus of a kind of polytype uplink information of multiplexing on the uplink channel, to protect Card transmission reliability, improves ascending resource utilization rate.
A kind of method that this application provides ascending control information of multiplexing on the uplink channel, including:
Ascending control information UCI is classified by user equipment (UE), and the UCI classifying difference encodes respectively, speed Join and modulate；
UE maps the UCI of different classification the most respectively.
Include it is preferred that the UCI that difference is classified by described UE carries out coding respectively:
Hybrid automatic repeat-request response HARQ-ACK information, dispatch request SR and first kind channel status are indicated CSI Information carries out combined coding as first kind UCI information；
Equations of The Second Kind CSI information is carried out combined coding as Equations of The Second Kind UCI information；
Wherein, first kind CSI information is higher than the reliability requirement of Equations of The Second Kind CSI information, and first kind UCI information compares Equations of The Second Kind The reliability requirement of UCI information is high.
It is preferred that the UCI that UE maps different classification the most respectively includes:
Running time-frequency resource unit R E of first kind UCI information and Equations of The Second Kind UCI information MAP is not conflicted, or, first kind UCI Information covers the RE of Equations of The Second Kind UCI information MAP.
It is preferred that when UE needs the periodic channel state instruction P-CSI a N number of community of subframe internal feedback, described The UCI that difference is classified by UE carries out coding respectively and includes: will belong to the letter of order instruction RI mono-class in the P-CSI of described N number of community Breath carries out combined coding as first kind UCI information；The P-CSI of described N number of community will belong to channel quality indicator (CQI)/pre- The information of encoder matrix instruction PMI mono-class carries out combined coding as Equations of The Second Kind UCI information；
When UE needs the P-CSI a N number of community of subframe internal feedback and aperiodic channel status instruction A-CSI, institute State the UCI that difference classified by UE to carry out coding respectively and include: by the P-CSI of described N number of community belongs to RI mono-class information and/ Or the information belonging to RI mono-class in the current A-CSI triggering each community carries out combined coding as first kind UCI information；By institute The P-CSI of ShuNGe community belongs in the information of CQI/PMI mono-class and/or the A-CSI of current each community of triggering and belong to CQI/ The information of PMI mono-class carries out combined coding as Equations of The Second Kind UCI information；
When UE needs in HARQ-ACK and the P-CSI information of a N number of community of subframe internal feedback, difference is divided by described UE The UCI of class carries out coding respectively and includes: will belong to information and the HARQ-ACK letter of RI mono-class in the P-CSI of described N number of community Breath carries out combined coding as first kind UCI information；The information belonging to CQI/PMI mono-class in the P-CSI of described N number of community is made Combined coding is carried out for Equations of The Second Kind UCI information；
When UE needs in HARQ-ACK, P-CSI and A-CSI information of a N number of community of subframe internal feedback, described UE pair The UCI of different classification carries out coding respectively and includes: will belong to the information of RI mono-class in the P-CSI of described N number of community, currently trigger The information and the HARQ-ACK information that belong to RI mono-class in the A-CSI of each community carry out associating volume as first kind UCI information Code；Belong to the P-CSI of described N number of community belonging in the information of CQI/PMI mono-class, the current A-CSI triggering each community The information of CQI/PMI mono-class carries out combined coding as Equations of The Second Kind UCI information；
Wherein, N is integer.
It is preferred that the UCI that described UE maps different classification the most respectively includes:
When described up channel is Physical Uplink Control Channel PUCCH format X, by first kind UCI after combined coding Information starts from known modulation symbol position to map, and the Equations of The Second Kind UCI information after combined coding is believed from described first kind UCI Start after breath to map, until taking all modulation symbols of PUCCH format X；
When described up channel is Physical Uplink Shared Channel PUSCH, by the first kind UCI information after combined coding from Known modulation symbol position starts to map, by the Equations of The Second Kind UCI information after combined coding after described first kind UCI information Starting to map, remaining RE is for mapping the upstream data of PUSCH.
Present invention also provides a kind of equipment, including: classification processing module and mapping block, wherein:
Described classification processing module, for classifying ascending control information UCI, and is carried out respectively to the UCI of difference classification Coding, rate-matched and modulation；
Described mapping block, for mapping the UCI of difference classification the most respectively.
Present invention also provides the instruction of one multiplexing periodic channel state on the uplink channel and aperiodic channel status refers to The method shown, including:
User equipment (UE) determines the cycle letter needing to feed back together with aperiodic channel status instruction A-CSI in present sub-frame Road state instruction P-CSI；
Described A-CSI and P-CSI is encoded by UE, rate-matched and modulation, and is mapped to Physical Uplink Shared Channel The upper transmission of PUSCH.
It is preferred that the P-CSI that described needs feed back together with A-CSI includes:
All P-CSI being configured to present sub-frame；
Or, according to a subset of all P-CSI being mapped to present sub-frame that the criterion arranged determines；
Or, in present sub-frame, need the Part I P-CSI in multiple P-CSI of feedback or Part I P- The subset of CSI, wherein, described Part I P-CSI is the side controlling to feed back on channel PUCCH P-CSI according to row physically The Part I P-CSI that method determines.
It is preferred that a subset of described all P-CSI being mapped to present sub-frame includes at least in situations below Kind:
The P-CSI of main plot Pcell；
It is configured with the P-CSI of the community of PUCCH；
Belong to the P-CSI of RI mono-class；
Priority-level sets the P-CSI of thresholding higher than one；
It is different from CSI process identifier ID, community ID and the P-CSI of CSI subframe collection index of described A-CSI；
Configuration according to high-level signaling determines the P-CSI fed back together with A-CSI.
It is preferred that the method also includes: according to the different value in the CSI request territory triggering A-CSI, determine and only feed back A- CSI or simultaneously feedback A-CSI and P-CSI.
It is preferred that the P-CSI that can feed back together with A-CSI is to allow transmission according to the mechanism transmitting P-CSI on PUCCH P-CSI or the subset of P-CSI of described permission transmission.
It is preferred that the CSI number of processes of A-CSI and P-CSI fed back together in a subframe is less than or equal to N, wherein, N is that UE supports that in a subframe maximum number of the CSI process of the A-CSI of feedback is N；
Or, the CSI number of processes of A-CSI and P-CSI fed back together in a subframe is with height less than or equal to M, M The maximum number M of the CSI process that UE feeds back simultaneously in a subframe of layer signal deployment, and M > N.
Present invention also provides a kind of equipment, including: feedback information determines module and feedback module, wherein:
Described feedback information determines module, for determining the P-CSI needing in present sub-frame to feed back together with A-CSI；
Described feedback module, for encoding described A-CSI and P-CSI, rate-matched and modulation, and is mapped to The upper transmission of PUSCH.
Present invention also provides a kind of method determining number of modulation symbols that ascending control information takies, including:
The ascending control information UCI to be fed back at present sub-frame is encoded by user equipment (UE)；
UE determines the parameter for calculating modulation symbol number of the UCI corresponding to carrying out combined coding
Include it is preferred that described UE carries out coding to the UCI to be fed back at present sub-frame: UE to feed back at present sub-frame All UCI carry out combined coding；
Described UE determines the parameter for calculating modulation symbol number of the UCI corresponding to carrying out combined codingBag Include:
If all UCI belong to same type, then use described type correspondingCalculate modulation symbol number；
If comprising different types of UCI at the UCI that present sub-frame is to be fed back, use described dissimilar UCI correspondingMaximum value calculation modulation symbol number.
Include it is preferred that described UE carries out coding to the UCI to be fed back at present sub-frame: to be fed back at present sub-frame All UCI classify, and the UCI of difference classification is carried out combined coding respectively；
Described UE determines the parameter for calculating modulation symbol number of the UCI corresponding to carrying out combined codingBag Include:
The CSI information of corresponding CQI/PMI mono-class, according toCalculate modulation symbol number；
If there is no the CSI information of RI mono-class, then to HARQ-ACK information, according toCalculate and adjust Symbol numbers processed；
If there is the CSI information of RI mono-class, then after HARQ-ACK information and RI information consolidation being encoded, according toCalculate modulation symbol number, or according to predefined, according toWith In a kind of calculate modulation symbol number；
Wherein, parameterWithIt is respectively and exists for computed HARQ-ACK, RI and CQI/PMI The parameter of the RE number taken on PUSCH.
It is preferred that described UE determines the parameter for calculating modulation symbol number of the UCI corresponding to carrying out combined codingIncluding:
To PUCCH format X channel, reuse the parameter of the RE number determining UCI on PUSCH With
To PUCCH format X channel, configure new parameterWith
To PUCCH format X channel, configuration parameterAnd it is applied to only send out HARQ-ACK, only send out RI and send simultaneously The situation of HARQ-ACK and RI.
It is preferred that to a kind of UCI information, for different PUCCH channel formats, be respectively configured different parameters Control to transmit the RE number that UCI information takies.
Present invention also provides a kind of equipment, including: coding module and computing module, wherein:
Described coding module, for encoding the UCI to be fed back at present sub-frame；
Described computing module, for determine UCI corresponding to carrying out combined coding for calculating modulation symbol number
Present invention also provides a kind of method determining the ascending physical signal Resource Block for uplink, including:
User equipment (UE) determines the ascending physical signal Resource Block PRB taken according to the up channel being assigned in present sub-frame Resource；
Uplink information in present sub-frame is mapped to the PUSCH channel corresponding to described up PRB resource by UE.
If it is preferred that the uplink information in described present sub-frame includes HARQ-ACK information and P-CSI, and HARQ- ACK information and P-CSI are respectively allocated the PRB resource of PUCCH format X of correspondence, up by present sub-frame of the most described UE Information MAP includes to the PUSCH channel corresponding to described up PRB resource:
A channel HARQ-ACK information in above-mentioned two PUCCH format X channel and P-CSI；
Or, the PRB resource of above-mentioned two PUCCH format X channel sends described HARQ-ACK information and P-CSI.
If it is preferred that the uplink information in described present sub-frame includes ascending control information UCI and upstream data, and Described UCI is assigned the PRB channel of PUCCH format X of correspondence, and described upstream data is assigned the PRB of the PUSCH channel of correspondence Resource, the uplink information in present sub-frame is mapped to the PUSCH channel corresponding to described up PRB resource and uploads by the most described UE Defeated include:
The PRB utilizing PRB Yu PUSCH of a PUCCH format X channel transmits described UCI and upstream data；
Or, utilize simultaneously UCI described in the PRB resource of two PUCCH format X channel and the PRB resource transmission of PUSCH and Upstream data.
It is preferred that the number of the described up PRB for transmitting UCI and upstream data is the power of 2,3 and/or 5；Described use Number of clusters in transmission UCI and the up PRB of upstream data is less than the thresholding set.
Present invention also provides a kind of method determining uplink, including:
User equipment (UE) determines the ascending physical signal Resource Block PRB taken according to the up channel being assigned in present sub-frame Resource；
UE is according to above-mentioned PRB number and needs feedback UCI information to determine uplink power.
It is preferred that described PRB number is the PRB number of the PUSCH of distribution；Or,
Described PRB number is the PRB number sum of PUCCH format X of the PRB number of PUSCH of distribution and distribution.
It is preferred that when there is upstream data,Or,
When triggering A-CSI but there is no upstream data, process power control according to the bit number of the CQI/PMI of A-CSI, and AndOr,
When triggering A-CSI but there is no upstream data, process power control according to total bit number of UCI, and It is arranged with a kind of UCI typeValue.
It is preferred that to uplink transmission mode 2, there is no the situation of upstream data, according to above-mentioned K to triggering A-CSIS It is not equal to 0 process power control；To other situations, according to KSMethod equal to 0 processes uplink power control.
Present invention also provides a kind of equipment, including: resource determination module and transport module, wherein:
Described resource determination module, for determining take up according to the up channel that is assigned in present sub-frame PRB resource；
Described transport module, for being mapped to the uplink information in present sub-frame corresponding to described up PRB resource PUSCH channel.
From above-mentioned, the invention provides a kind of general physical resource mapping method to process multiple uplink information, Ensure that the reliability requirement of different UCI information, optimization is fed back P-CSI together with A-CSI thus is reduced feedback overhead, and energy Enough make full use of the uplink channel resources of base station distribution, improve ascending resource utilization rate.
Accompanying drawing explanation
Fig. 1 is the UCI mapping schematic diagram at PUSCH of LTE system；
Fig. 2 is the flow chart of the present invention method of multiplexing UCI on the uplink channel；
Fig. 3 is the flow chart of the present invention method of multiplexing A-CSI and P-CSI on the uplink channel；
Fig. 4 is the flow chart of the method for the number of modulation symbols that present invention determine that UCI takies；
Fig. 5 is the flow chart of the method that present invention determine that the PRB resource for uplink；
Fig. 6 is the mapping schematic diagram one of P-CSI in the embodiment of the present invention；
Fig. 7 is the mapping schematic diagram two of P-CSI in the embodiment of the present invention；
Fig. 8 is the mapping schematic diagram one of HARQ-ACK and P-CSI in the embodiment of the present invention；
Fig. 9 is the mapping schematic diagram two of HARQ-ACK and P-CSI in the embodiment of the present invention；
Figure 10 is the mapping schematic diagram three of HARQ-ACK and P-CSI in the embodiment of the present invention；
Figure 11 is the composition structural representation of the equipment of present invention multiplexing UCI on the uplink channel；
Figure 12 is the composition structural representation of the equipment of present invention multiplexing A-CSI and P-CSI on the uplink channel；
Figure 13 is the composition structural representation of the equipment of the number of modulation symbols that present invention determine that UCI takies；
Figure 14 is the composition structural representation of the equipment that present invention determine that the PRB resource for uplink.
Detailed description of the invention
In order to make the purpose of the application, technological means and advantage clearer, below in conjunction with accompanying drawing, the application is done Further describe.
The application aims to provide the method and apparatus of the polytype uplink information of multiplexing on the uplink channel.Described up Information can be ascending control information (UCI), it is also possible to is upstream data.Described up channel can be PUCCH format X, also It can be PUSCH channel.PUCCH format X can be to obtain based on PUCCH format 3 extension, it is also possible to is to obtain based on PUSCH, Can also is that the channel of other structures.UCI information channel codings etc. can generate multiple modulation symbol, to not using after processing The PUCCH format X channel of time and frequency expansion, a modulation symbol is to be mapped on a running time-frequency resource unit (RE), example As, PUCCH format X channel based on PUSCH structure；Or, the PUCCH format X letter to the time of employing and/or frequency expansion Road, a modulation symbol is also to be mapped on multiple RE, and such as, PUCCH format X based on PUCCH format 3 channel architecture is believed Road.
In LTE system, UCI can be divided into polytype, i.e. HARQ-ACK, SR, P-CSI and A-CSI.Up at one In subframe, UE may need to feed back the one of above-mentioned UCI type, multiple or whole simultaneously.Wherein, CSI information is drawn further Being divided into two classes, a class is the information that reliability requirement is higher, such as, RI；Another kind of is the relatively low information of reliability requirement, Such as, CQI/PMI.Hereinafter CSI information higher for reliability requirement is become first kind CSI information, reliability requirement is relatively low CSI information be referred to as Equations of The Second Kind CSI information, it may be assumed that first kind CSI information is higher than the reliability requirement of Equations of The Second Kind CSI information.
One aspect of the present invention, it is provided that a kind of method of polytype UCI of multiplexing on the uplink channel.Hereinafter describe The multiplexing method of UE side, base station side can use the method for correspondence to demultiplex.It is that the present invention is at up channel as shown in Figure 2 The flow chart of the method for upper multiplexing UCI, comprises the following steps:
Step 201:UE is to UCI information classification, and the UCI of difference classification is encoded respectively, rate-matched and modulation, Wherein, the information higher to reliability requirement, including HARQ-ACK, SR and first kind CSI information can together with combined coding； Can combined coding together to the relatively low Equations of The Second Kind CSI information of reliability requirement.
Step 202:UE maps the UCI of different classification the most respectively, it may be assumed that UE maps the most respectively The UCI information higher to reliability requirement and the UCI information relatively low to reliability requirement.
Here it is possible to be so that the UCI information higher to reliability requirement and the UCI information that reliability requirement is relatively low reflected The RE penetrated does not conflicts；Or, it is also possible to it is that the UCI information that reliability requirement is higher is covered the UCI relatively low to reliability requirement The RE of information MAP.
Another aspect of the present invention, it is provided that a kind of method of P-CSI and A-CSI of multiplexing on the uplink channel.Hereinafter retouch Stating the multiplexing method of UE side, base station side can use the method for correspondence to demultiplex.To a subframe, when needs feed back simultaneously During P-CSI and A-CSI, it is the flow chart of the present invention method of multiplexing P-CSI and A-CSI on the uplink channel as shown in Figure 3, bag Include following steps:
Step 301:UE determines the P-CSI needing in present sub-frame to feed back together with A-CSI.
Here, needing the P-CSI fed back together with A-CSI can be all P-CSI being mapped to present sub-frame；Or, Can determine that the P-CSI needing to feed back together with A-CSI is all P-being mapped to present sub-frame by arranging certain criterion One subset of CSI, it may be assumed that can only feed back the P-CSI of some community, or can also be the P-CSI feeding back multiple communities. Especially, it is assumed that to feed back multiple P-CSI information a subframe domestic demand, according to the method feeding back P-CSI on PUCCH, can Can simply just feed back on PUCCH by Part I P-CSI therein, the most remaining P-CSI is dropped.At this moment, when needs together During feedback P-CSI and A-CSI, it is possible to the P-CSI fed back together with A-CSI can only be above-mentioned Part I P-CSI or first The subset of part P-CSI.
Step 302:UE to A-CSI and need the P-CSI of feedback to encode, the operation such as rate-matched and modulation, and reflect It is mapped to PUSCH channel.
Another aspect of the present invention, it is provided that during one multiplexing UCI information on the uplink channel, determines different classification The method of the number of modulation symbols that UCI takies.Such as, to channel architecture based on PUSCH, a modulation symbol is corresponding to one Running time-frequency resource unit (RE).Hereinafter describing the multiplexing method of UE side, base station side can use the method for correspondence to demultiplex.As It is the flow chart of the method for the number of modulation symbols that present invention determine that UCI takies shown in Fig. 4, comprises the following steps:
The UCI information to be fed back at present sub-frame is encoded by step 401:UE.
Here, UE can be that all UCI information to be fed back at present sub-frame are carried out combined coding.Or, UCI is believed Breath classification also encodes respectively, wherein, the information higher to reliability requirement, believe including HARQ-ACK, SR and first kind CSI Breath can combined coding together；Can combined coding together to the relatively low Equations of The Second Kind CSI information of reliability requirement.
Step 402:UE determines the parameter for calculating modulation symbol number of the UCI corresponding to carrying out combined codingAnd according toDetermine that it needs the number of modulation symbols taken, thus carry out the operation such as rate-matched and modulation, And it is mapped to PUSCH channel.
Assume the multiple UCI information of combined coding together is respectively configuredAccount for after then determining combined coding Modulation symbol can be UCI information based on one of which typeOr, it is also possible to it is based on above-mentioned multiple UCI informationIn maximum.
Another aspect of the present invention, it is provided that a kind of method determining the up PRB resource for uplink.Hereinafter retouch Stating the multiplexing method of UE side, base station side can use the method for correspondence to demultiplex.Be as shown in Figure 5 present invention determine that for The flow chart of the method for the up PRB resource of uplink, comprises the following steps:
Step 501:UE determines the up PRB resource taken according to the multiple up channels being assigned in present sub-frame.
Here, suppose that UE needs to send polytype signal at this sub-frame of uplink, including HARQ-ACK, P-CSI and/ Or the UCI information such as A-CSI, it is also possible to include upstream data, be the most just assigned with multiple up channel, thus UE can be PRB transmitted over resources upward signal from multiple up channels.Here, the PRB number that UE can use can have other to limit Condition processed.Such as, when carrying out uplink based on PUSCH structure, PRB actually used for UE can still be limited to 2,3 and/or The power of 5.
Uplink information is encoded by step 502:UE, rate-matched and modulation etc. process, and the information after processing is reflected It is mapped to PUSCH channel.
Here, the method that physical resource maps can be the method as shown in Fig. 8～11, or can also be its other party Method, the present invention does not limits.
Embodiment one
In CA system, when configuration community number more, or binding window size bigger time, UE need feedback HARQ-ACK bit is the most, such as, more than 22 bits.It addition, when the community number of configuration is more, UE needs feedback CSI information also correspondingly increases.It addition, UE it may also be desirable to send dispatch request (SR) at up direction.Because HARQ- The bit number of ACK and CSI both increases, and existing UCI mapping method as shown in Figure 1 can not meet under specific circumstances The performance requirement of UCI transmission.Such as, as a example by HARQ-ACK, when the bit number of HARQ-ACK information is a lot, but PUSCH PRB number less time, the method for 4 symbols that HARQ-ACK information only only maps into DMRS side may be not sufficient to ensure that The transmission performance requirement of HARQ-ACK.
Point situation describes the processing method of the present embodiment polytype UCI of multiplexing on the uplink channel below.
The first situation:
Assume that UE needs the P-CSI information a multiple community of subframe internal feedback.These P-CSI can be to reliably Property require higher information, such as RI；Or, it is also possible to it is all the information relatively low to reliability requirement, such as CQI/PMI；Or Person, it is also possible to be the information higher to reliability requirement and the information that reliability requirement is relatively low existed, i.e. at this height simultaneously On frame, the P-CSI of a part of community is the information of RI mono-class, and the P-CSI of another part community is the letter of CQI/PMI mono-class Breath.Here, to last a kind of situation, the higher information of reliability requirement may far more than the relatively low information of reliability requirement, So the method at 4 symbols mapping RI such as Fig. 1 can not meet performance requirement.
When described up channel is PUCCH format X, the P-CSI to each community a subframe internal feedback, by it The P-CSI information consolidation of middle RI mono-class encodes and starts from known modulation symbol position to map；Then, by wherein CQI/PMI The modulation symbol of the P-CSI information consolidation coding of one class the P-CSI information of followed by RI mono-class maps；Finally take All modulation symbols of PUCCH format X.Such as, as shown in Figure 6, PUCCH format X not using time and frequency expansion is believed Road, from the beginning of first subcarrier of first symbol, uses and similar with PUSCH maps RI mono-class according to the mode of time priority The modulation symbol of P-CSI information；Then the modulation symbol of the P-CSI information of CQI/PMI mono-class is mapped, until taking PUCCH All RE of form X.To have employed the PUCCH format X channel of time and/or frequency expansion, PUCCH format X channel remains Carry multiple modulation symbol, according to above method, these modulation symbols be respectively used to carry RI mono-class P-CSI information and The P-CSI information of CQI/PMI mono-class.
When described up channel is PUSCH, as it is shown in fig. 7, the P-to each community a subframe internal feedback CSI, encodes the P-CSI information consolidation of wherein RI mono-class and starts from known modulation symbol position to map, such as, from First subcarrier of first symbol of PUSCH channel starts, and maps according to the mode of time priority；Then, will wherein belong to Start to map in the P-CSI signaling combined coding of CQI/PMI mono-class the P-CSI information of followed by RI mono-class；Residue RE is used for Mapping uplink data.
Here, it is the most all that translational speed is the slowest owing to configuring more than the CA UE of 5 communities, therefore, by RI mono-class Information MAP is to the link performance that can't affect RI on all symbols of subframe.
As the method for Fig. 6 and 7 is also applied for transmitting the situation of P-CSI and A-CSI simultaneously.At this moment, the RI in said method The information of one class refers in information and/or the current A-CSI triggering each community of RI mono-class in the P-CSI of each community The information of RI mono-class, and the information of CQI/PMI mono-class refer to CQI/PMI mono-class in the P-CSI of each community information and/or The information of CQI/PMI mono-class in the current A-CSI triggering each community.Fig. 6 is that corresponding PUSCH only distributes for A-CSI Not having the situation of dispatching uplink data, Fig. 7 is the situation that correspondence scheduled upstream data.
The second situation:
Assume that UE needs the HARQ-ACK information a multiple community of subframe internal feedback and P-CSI information, and consider P- CSI can exist the information higher to reliability requirement and the information relatively low to reliability requirement simultaneously.Because HARQ-ACK The reliability requirement of information and the reliability requirement of RI mono-category information are suitable, so, can be HARQ-ACK information and P- The information of RI mono-class in CSI carries out combined coding, it addition, the information of CQI/PMI mono-class in P-CSI is combined volume Code.
When described up channel is PUCCH format X, by the HARQ-ACK information of each community and the P-belonging to RI mono-class CSI information consolidation coding also starts from known modulation symbol position to map；Then, each community belonged to CQI/PMI mono- The modulation symbol of the P-CSI information consolidation coding of class the P-CSI information of followed by HARQ-ACK information and RI mono-class reflects Penetrate；Finally take all modulation symbols of PUCCH format X.Such as, as shown in Figure 8, to not using time and frequency expansion PUCCH format X channel, from the beginning of first subcarrier of the first of PUCCH format X symbol, use similar with PUSCH according to The mode of time priority maps HARQ-ACK information and belongs to the P-CSI information of RI mono-class；Then belonging to of each community is mapped The P-CSI information of CQI/PMI mono-class；Until taking all RE of PUCCH format X.To have employed time and/or frequency expansion PUCCH format X channel, PUCCH format X channel remains and carries multiple modulation symbol, according to above method, these modulation Symbol or for carrying HARQ-ACK information and the P-CSI information of RI mono-class, or for carrying the P-of CQI/PMI mono-class CSI information.
When described up channel is PUSCH, as it is shown in figure 9, by the HARQ-ACK information of each community and belong to RI mono-class P-CSI information consolidation coding and start from known modulation symbol position map, such as, from the first of PUSCH symbol First subcarrier starts, and maps according to the mode of time priority；Then, by the P-belonging to CQI/PMI mono-class of each community The P-CSI information of CSI signaling combined coding followed by RI mono-class starts to map；Residue RE is for mapping uplink data.
Here, it is the most all that translational speed is the slowest owing to configuring more than the CA UE of 5 communities, therefore, by HARQ-ACK The information MAP of information and RI mono-class is to the link that can't affect HARQ-ACK information and RI in all OFDM symbol of subframe Performance.
As the method for Fig. 8 and Fig. 9 is also applied for transmitting the situation of HARQ-ACK and A-CSI simultaneously.At this moment, the PRB of PUSCH Number can be more than 1, and the information of RI mono-class in said method refers to currently to trigger RI mono-class in the A-CSI of each community Information, and the information of CQI/PMI mono-class refers to currently trigger the information of CQI/PMI mono-class in the A-CSI of each community.Fig. 8 Being that corresponding PUSCH only distributes the situation not having dispatching uplink data for A-CSI, Fig. 9 is that correspondence scheduled upstream data Situation.
As the method for Fig. 8 and Fig. 9 applies also for transmitting the situation of HARQ-ACK, P-CSI and A-CSI simultaneously.At this moment, The PRB number of PUSCH can be more than 1, and the information of RI mono-class in said method refers to RI mono-class in the P-CSI of each community Information and/or the current A-CSI triggering each community in the information of RI mono-class, and the information of CQI/PMI mono-class refers to respectively CQI/PMI mono-class in the information of CQI/PMI mono-class in the P-CSI of individual community and/or the current A-CSI triggering each community Information.Fig. 8 is that corresponding PUSCH only distributes the situation not having dispatching uplink data for A-CSI, and Fig. 9 is that correspondence scheduled The situation of upstream data.
The advantage of method using Fig. 6～9 is: when the various different combination processing UCI information, have employed one The method caused maps various UCI information, i.e. distinguishes the reliability of UCI, and the information higher to reliability requirement, including HARQ- ACK, SR be combined coding together with first kind CSI information；And the Equations of The Second Kind CSI information that reliability requirement is relatively low is joined together Compile in collaboration with code.Use this method, also meet the multiplex requirements of A-CSI.It practice, the letter higher to reliability requirement of A-CSI Cease (such as RI) and need to be separately encoded and be mapped to PUSCH channel to the information (such as CQI/PMI) that reliability requirement is relatively low On, this is because the particular content of Equations of The Second Kind CSI information depends on first kind CSI information, i.e. base station needs first to decode to obtain First kind CSI information, the most just can determine that bit number and the content of Equations of The Second Kind CSI information.
Embodiment two
In existing CA system, when P-CSI and A-CSI needs to feed back in same subframe, processing method is to lose P- CSI, and only feed back A-CSI.But, when the community number of configuration is more, UE needs the CSI information of feedback the most correspondingly to increase Adding, P-CSI and A-CSI needs the probability of feedback in same subframe the most correspondingly to increase.In order to reduce downlink transfer Impact, needs to support to transmit P-CSI and A-CSI in same subframe.At this moment, the A-CSI of all current triggerings is needs Feedback, and to the P-CSI in this subframe, can be to feed back a part of P-CSI therein or complete according to certain criterion Portion P-CSI.Several preferred approach that the present invention provides are described below.
First method is in addition to A-CSI, only transmits the P-CSI of Pcell.That is, the P-CSI bag of a subframe it is mapped to During P-CSI containing Pcell, the P-CSI of UE feedback A-CSI and Pcell；Otherwise, UE only feeds back A-CSI.This is because Pcell pair UE work is a most important community, it is ensured that the CSI feedback of Pcell is more beneficial for ensureing the steady operation of UE.
Second method is in addition to A-CSI, only transmission configuration PUCCH channel thus support to feed back the little of UCI information The P-CSI in district.That is, it is mapped to the P-CSI of a subframe to comprise and be configured with PUCCH channel thus support to feed back UCI information cells P-CSI time, UE feeds back A-CSI and the P-CSI of such community；Otherwise, UE only feeds back A-CSI.The advantage of the method and the A kind of method is similar to, and is configured with PUCCH channel thus supports that the community feeding back UCI information undertakes the task of feedback UCI so that its CSI feedback is more beneficial for ensureing the effectiveness of downlink transfer.
The third method is in addition to A-CSI, only feeds back the P-CSI information of RI mono-class.That is, the P-of a subframe it is mapped to When CSI comprises the P-CSI of RI mono-class of community, the P-CSI of RI mono-class of UE feedback A-CSI and such community；Otherwise, UE is only Feedback A-CSI.This is because the reliability requirement of RI is higher than CQI/PMI, thus need special protection, because losing RI mono-class The impact that P-CSI information causes is greater than the P-CSI information abandoning CQI/PMI mono-class.
4th kind of method is in addition to A-CSI, and only feedback priority level is superior to the P-CSI information setting thresholding. Such as, it is first determined CSI information preferentially the highest in A-CSI, then with the feature of this CSI information as thresholding, such as, with this One or more ginseng in the parameter (such as: CSI report type, CSI process ID, community ID and CSI subframe collection index) of CSI Number is thresholding, screens P-CSI to be fed back in same subframe, only those priority higher P-CSI ability Feed back together with A-CSI.For example, it is possible to according to four parameter definition thresholdings, or, it is also possible to according to rear three parameters (such as, CSI process ID, community ID and CSI subframe collection index) define thresholding, or, it is also possible to (such as, little according only to a parameter District ID) define thresholding.Here, the method for the priority comparing A-CSI and P-CSI is: do not consider periodic feedback and aperiodic The factor of feedback, only compares the corresponding parameter of its CSI information.Such as: assume, with 4 parameter definition thresholdings, first to compare CSI Report Type, compares CSI process ID, by that analogy in the case of CSI report type is identical.Use this method, with A-CSI mono- The P-CSI playing feedback is high priority, thus on the premise of controlling feedback overhead, has still reported some prior P-CSI information.Or, it is also possible to it is first to determine CSI information minimum in A-CSI, then with one of this CSI information Or multiple parameters are thresholding, screen P-CSI to be fed back in same subframe, only those priority are higher P-CSI could feed back together with A-CSI.Use this method, simply lose the P-CSI that priority is the lowest, feedback overhead Bigger, but feed back more CSI information, thus beneficially downlink transfer.Or, after determining threshold parameter, Such as, above two method is used to determine thresholding, it is also possible to be only when all P-CSI excellent mapped in same subframe When first level is all higher than the thresholding of correspondence, feedback A-CSI and all P-CSI, the most only feeds back A-CSI the most together.
Fifth method is in addition to A-CSI, and only feedback is different from CSI process ID of A-CSI, community ID and CSI subframe Part P-CSI of collection index.This is because A-CSI feedack is more more abundant than P-CSI, if same CSI process The CSI information of ID, community ID and CSI subframe collection index is fed back by A-CSI, then need not again by the shape of P-CSI Formula is fed back.Use this method, be conducive to reducing feedback overhead in the case of maximizing CSI feedback quantity of information.Or, only When corresponding CSI process ID of all P-CSI of a subframe, community ID and CSI subframe collection index all with in same subframe During A-CSI difference, just support to feed back above-mentioned all P-CSI and A-CSI, otherwise, only feed back A-CSI.
6th kind of method is when reporting with a P-CSI of high-level signaling configuration UE, configures this P-CSI report simultaneously Whether can feed back together with A-CSI.If configuration is supported to feed back together with A-CSI, then it is positioned at same height when it with A-CSI During frame, UE feeds back this P-CSI and A-CSI simultaneously；Otherwise UE only feeds back A-CSI.
7th kind of method is in addition to A-CSI, can be to feed back all P-CSI being configured to this subframe, at this moment, if One community deexcitation, then need the P-CSI reserved bit for this community；Or, it is also possible to being that only feedback is current locates The P-CSI being mapped to this subframe in the community of state of activation.Use such method, need the P-CSI bit number of feedback Mesh is the most, and it is possible to be that the information with A-CSI repeats.
8th kind of method assumes that to feed back multiple P-CSI information a subframe domestic demand, according to feeding back P-on PUCCH The method of CSI, may be that Part I P-CSI therein just feeds back on PUCCH, and remaining P-CSI is dropped.This Time, when needs feed back P-CSI and A-CSI together, it is possible to the P-CSI fed back together with A-CSI can only be above-mentioned Part I P-CSI or its subset.Here, the method determining the subset of above-mentioned Part I P-CSI can be one of above-mentioned 7 kinds of methods.
9th kind of method is to indicate different behaviors, i.e. a part by the different value in the CSI request territory triggering A-CSI A-CSI is only fed back in the value instruction in CSI request territory, and A-CSI and P-CSI is fed back in the instruction of the value in another part CSI request territory simultaneously. Such operation can configure with high-level signaling, or can also be predefined.Such as, the value " 01 " in CSI request territory refers to Show and only feed back A-CSI, value instruction feedback A-CSI and P-CSI simultaneously in other CSI request territories in addition to " 00 ".Further, The method of feedback A-CSI and P-CSI can be one of above-mentioned 8 kinds of methods simultaneously.
Tenth kind of method is when determining the P-CSI fed back together with A-CSI, it is still desirable to consider that UE processes A-CSI's Ability limits.Such as, the maximum number of the CSI process that note can trigger the A-CSI of UE feedback in a subframe is N, then need Ensure that the CSI number of processes of A-CSI and P-CSI fed back together is less than or equal to N.Use above one of nine kinds of methods or other After method determines P-CSI, if the CSI number of processes sum of A-CSI and P-CSI is more than N, then can be according to each P-CSI Priority, select the P-CSI feedback that priority is higher, and lose other P-CSI.Feed back on PUCCH for example, it is possible to reuse The priority policy of P-CSI processes the priority of the P-CSI fed back together with A-CSI.Such as, with the UE of existing LTE system As a example by ability, the CSI number of processes that can trigger A-CSI in a subframe is not more than 5, then use one of above-mentioned nine kinds of methods Or additive method is after selecting P-CSI, the CSI number of processes of A-CSI and P-CSI of corresponding subframe triggering is made to be less than In 5.Or, during A-CSI and P-CSI fed back at the same time, it is also possible to can trigger in being arranged in a subframe with high-level signaling The maximum number M of the CSI process that UE feeds back simultaneously, or, can trigger, in being predefined in a subframe, the CSI that UE feeds back simultaneously The maximum number M of process, and allow M > N.Use after one of nine kinds of methods or additive method determine P-CSI above, if A-CSI It is more than M with the CSI number of processes sum of P-CSI, then can be the priority according to each P-CSI, select priority higher P-CSI feeds back, and loses other P-CSI.
Embodiment three
On a sub-frame of uplink, it may be necessary to transmit polytype UCI information.Community along with the UE configured Number increases, and this demand is the most prominent.In a subframe, UE can be to all UCI letters to be fed back at present sub-frame Breath carries out combined coding, rate-matched and modulation, is then mapped on up channel.Or, UE can also be to divide UCI information Class the UCI information to difference classification encode respectively, rate-matched and modulation.Such as, higher to reliability requirement letter Breath, including HARQ-ACK, SR and first kind CSI information can together with combined coding；The Equations of The Second Kind relatively low to reliability requirement CSI information can combined coding together.In order to be mapped on up channel, one group of UCI information to combined coding, need meter Calculate the number of its modulation symbol taken.
In existing LTE CA system, as needs multiplexing HARQ-ACK, RI and PMI/CQI on PUSCH, it is respectively configured ParameterWithAnd be respectively used to computed HARQ-ACK, RI and PMI/CQI takies on PUSCH RE number.Such as, according to LTE specification, when transmitting transmission block (TB) on PUSCH, be used for carrying HARQ-ACK or The RE number of RI calculates according to following formula,
Here, O is the bit number of HARQ-ACK or RI；It is that PUSCH channel wraps in a SCFDMA symbol The subcarrier number contained；It it is the SCFDMA symbol numbers of the initial p USCH transmission of this TB； C,and KrIt is to determine according to initial (E) PDCCH dispatching this TB, and represents the subcarrier of initial p USCH transmission respectively Number, encoding block (CB) number that TB is divided into and the bit number of each CB.To HARQ-ACK,To RI,Formula based on above-mentioned calculating Q ' or similar method, can be by adjusting parameterControl The modulation symbol number of distribution UCI.
When PUCCH format X channel feeds back UCI, still can be with configuration parameterWithAnd use In the number of modulation symbols that computed HARQ-ACK, RI and PMI/CQI take in PUCCH format X channel.Above-mentioned parameterWithThe correspondence feeding back UCI on PUSCH can be reusedParameter.Or, because PUCCH lattice Interference profile suffered by Formula X channel is typically different from PUSCH, its parameterWithCan be Different, so the present invention proposes, PUCCH format X channel can be configured new parameterWith For determining the modulation symbol number that corresponding UCI type takies.Because the performance requirement of HARQ-ACK and RI is close, to PUCCH Form X channel, it is also possible to be one parameter of configurationAnd it is applied to only send out HARQ-ACK, only send out RI and send HARQ-simultaneously The situation of ACK and RI.
Further, as needs multiplexing HARQ-ACK, RI and PMI/CQI on PUSCH, even same type of UCI, when its bit number difference, the parameter of optimizationAlso it is different.Particularly to HARQ-ACK, because base station needs HARQ-ACK transmission is carried out DTX detection, so when HARQ-ACK bit number is less, it is generally required to configuration is biggerEnsure that DTX detects performance；And when HARQ-ACK bit number increases, lessJust can meeting property Can requirement.Assume that a UE can transmit UCI based on multiple PUCCH format on PUCCH.For example, it is assumed that when needing feedback UCI bit number is fewer, such as, less than 22 bits, remain the existing PUCCH format of employing, such as, form 2 or lattice Formula 3 etc. transmits UCI；Accordingly, when the UCI bit number needing feedback is more, it is greater than 22 bits, then uses new PUCCH format X of definition transmits UCI.So, the present invention proposes, to a kind of UCI information, for different PUCCH channel lattice Formula, is respectively configured different parametersControl to transmit the RE number that UCI information takies.As a example by HARQ-ACK, work as UE When being to feed back HARQ-ACK by PUCCH format 3, configuration parameterA value；When UE is to feed back by PUCCH format X During HARQ-ACK, configuration parameterAnother value.This method can be to be served only for HARQ-ACK, i.e. corresponding different The differently configured parameter of PUCCH formatOr, this method can also be to be served only for RI, the most corresponding different The parameter that PUCCH format is differently configuredOr, this method can also be to be applied to HARQ-ACK and RI, and i.e. correspondence is not The parameter that same PUCCH format is differently configuredWithOr, this method can also be to be applied to HARQ- ACK, RI and PMI/CQI, the parameter that the most corresponding different PUCCH format is differently configured With
According to the method for embodiment four, when being assigned with PUSCH channel, can be only in the PRB transmission of PUSCH channel State information, be respectively used for the PRB number transmitting UCI and the upstream data PRB number equal to PUSCH；Or, it is also possible to be The extension PUSCH channel information that the PRB of PUSCH channel and the PRB of PUCCH format X is constituted, is respectively used for transmission The PRB number of UCI and upstream data is equal to PRB number and the PRB number sum of PUCCH format X of PUSCH.
According to the method for embodiment four, when only feeding back UCI information, when being only assigned with a PUCCH in a subframe During form X channel, it is respectively used for the PRB number the transmitting UCI PRB number equal to this PUCCH format X channel；Or, when To feed back multiple UCI a subframe domestic demand, and when being correspondingly configured with multiple PUCCH format X channel, can be to only take up it In a PUCCH format X channel transmit above-mentioned multiple UCI, be respectively used for transmitting the PRB number of UCI equal to this PUCCH The PRB number of form X channel；Or, it is also possible to be the PRB simultaneously utilizing multiple PUCCH format X channel to transmit UCI, example As, the extension PUCCH channel that all PRB of the plurality of PUCCH format X channel are constituted passes according to the structure of PUSCH Defeated UCI, is respectively used for the PRB number the transmitting UCI PRB sum equal to the plurality of PUCCH format X channel.Divide feelings below Condition describes the method that the present invention determines, at a sub-frame of uplink, number of modulation symbols that UCI information takies.
The first situation:
Assume that all UCI information of feedback are combined codings on a up channel.Such as, UE needs at a son The situation of the P-CSI information of the multiple community of frame internal feedback.These P-CSI can be the information higher to reliability requirement, example Such as RI；Or, it is also possible to it is all the information relatively low to reliability requirement, such as CQI/PMI；Or, it is also possible to it is to reliability Require higher information and the information that reliability requirement is relatively low is existed simultaneously, i.e. in this subframe, the P-of a part of community CSI is the information of RI mono-class, and the P-CSI of another part community is the information of CQI/PMI mono-class.It is further assumed that to above-mentioned The P-CSI information of multiple communities of one subframe internal feedback uses combined coding.As the needs above-mentioned UCI of multiplexing on PUSCH and During upstream data, method below can be used to determine for calculating modulation symbol number
If all P-CSI are same types, then use respective typeThat is: if, all P-CSI is Belong to RI mono-class, thenIf all P-CSI broadly fall into CQI/PMI mono-class, then
β o f f s e t P U S C H = β o f f s e t C Q I .
If contain the information higher to reliability requirement and to reliability at the P-CSI of this subframe internal feedback simultaneously Require relatively low information, then can be according to two kinds of informationWithMaximum, i.e.Calculate the modulation symbol number of needs.In general, its result is according to reliability Require higher informationCalculate modulation symbol number, i.e.Or, because the performance requirement of RI Higher than CQI/PMI, it is also possible to directly predefined according toCalculate modulation symbol number.
The second situation:
Assume UE be to UCI information classification and encode respectively, rate-matched and modulation.Such as, UE needs at one The HARQ-ACK information of the multiple community of subframe internal feedback and the situation of P-CSI information.Here, HARQ-ACK information and to reliability The P-CSI information consolidation requiring higher RI mono-class encodes, the P-of the most all CQI/PMI mono-classes relatively low to reliability requirement CSI information consolidation encodes.
When the needs above-mentioned UCI of multiplexing on PUSCH and upstream data, method below can be used to determine for calculating Modulation symbol number
The P-CSI information of corresponding CQI/PMI mono-class,
If there is no the P-CSI information of RI mono-class, then to HARQ-ACK information,If deposited In the P-CSI information of RI mono-class, then after HARQ-ACK information and RI information consolidation being encoded, can be according to two kinds of information 'sWithMaximum, i.e.Calculate the modulation symbol of needs Number.Here, because the performance requirement of RI and HARQ-ACK is close,WithAlso can relatively, but can not break Fixed wherein certain value is the biggest.Or, because the performance requirement of RI and HARQ-ACK is close, it is also possible to directly predefine and press According to one of which UCI typeCalculate modulation symbol number, such as, to this situation, predefined
Above-mentioned determine PUSCH multiplexing HARQ-ACK's and P-CSIMethod, it is also possible to at PUSCH During feedback HARQ-ACK and A-CSI.At this moment, the information of RI mono-class in said method refers to currently trigger the A-of each community The information of RI mono-class in CSI, and the information of CQI/PMI mono-class refers to the CQI/PMI that currently triggers in the A-CSI of each community The information of one class.
Above-mentioned determine PUSCH multiplexing HARQ-ACK's and P-CSIMethod, it is also possible to at PUSCH During feedback HARQ-ACK, P-CSI and A-CSI.At this moment, the information of RI mono-class in said method refers to the P-CSI of each community In the information of RI mono-class and/or the information of RI mono-class in the current A-CSI triggering each community, and CQI/PMI mono-class Information refers in information and/or the current A-CSI triggering each community of CQI/PMI mono-class in the P-CSI of each community The information of CQI/PMI mono-class.
When the needs above-mentioned HARQ-ACK information of multiplexing in PUCCH format X and P-CSI information, because all of modulation Symbol contributes to UCI's, so having only to calculate the ratio of the modulation symbol number that two classes UCI carrying out encoding respectively take Example.The modulation symbol that the determination of the P-CSI information of note HARQ-ACK information and RI mono-class higher to reliability requirement needs The parameter of number isThen can basisWithCalculate the modulation that the UCI of two kinds of reliabilities takies Symbol numbers.For example, it is assumed that PUCCH format X is the structure reusing PUSCH, then distribution is wanted for ARQ-ACK information and reliability The modulation symbol number seeking the P-CSI information of higher RI mono-class is Wherein,It is the subcarrier number that comprises of PUCCH format X channel,It is that PUCCH format X channel is used in subframe In the symbol numbers of transmission data, O is the bit of the P-CSI information of HARQ-ACK information and higher RI mono-class of reliability requirement Number, OCQIIt is the bit number according to CQI/PMI,In this manner, if distributing CQI/ Very little, such as code rate exceedes certain thresholding to the modulation symbol of PMI, then can be to abandon CQI/PMI, and all of tune Symbol processed is used for transmitting HARQ-ACK and RI.Above-mentioned thresholding is predefined or high-level signaling configuration.
When PUCCH format X feeds back UCI, above-mentioned parameterWithCan with on PUSCH The correspondence of feedback UCIParameter is equal.Or, even if PUCCH format X is the structure reusing PUSCH, but it is because The all interference profile received of PUCCH format X are typically different from PUSCH, its parameterWith It is typically different, so the present invention proposes, PUCCH format X can be defined new parameterWithFor determining the modulation symbol number that corresponding UCI type takies.Because the performance requirement of HARQ-ACK and RI is close, right PUCCH format X, it is also possible to be one parameter of configurationAnd it is applied to only send out HARQ-ACK, only send out RI and send simultaneously The situation of HARQ-ACK and RI.
It is similar to feed back the situation of UCI in PUCCH format X, does not dispatch for A-CSI when PUSCH only distributes During row data, because all of modulation symbol contributes to UCI, so having only to calculate two classes carrying out respectively encoding The ratio of the modulation symbol number that UCI takies.At this moment, the PRB number of PUSCH can be more than 1.When needs feed back on PUSCH During HARQ-ACK and A-CSI, the information of RI mono-class in said method refers to the RI mono-currently triggering in the A-CSI of each community The information of class, and the information of CQI/PMI mono-class refers to currently trigger the information of CQI/PMI mono-class in the A-CSI of each community. When needs feed back HARQ-ACK, P-CSI and A-CSI on PUSCH, the information of RI mono-class in said method refers to that each is little The information of RI mono-class in the information of RI mono-class in the P-CSI in district and/or the current A-CSI triggering each community, and CQI/ The information of PMI mono-class refers to the information of CQI/PMI mono-class in the P-CSI of each community and/or currently triggers each community The information of CQI/PMI mono-class in A-CSI.Here, because the bit number of the CQI/PMI of A-CSI is to rely on the RI letter of A-CSI Breath, when calculating the RE number that different UCI takies, the information bit of CQI/PMI mono-class of A-CSI can be according to RI Value is 1 to calculate.
Or, when PUSCH only distribute there is no dispatching uplink data for A-CSI time because all of modulation symbol is all For UCI, can first calculate the RE number that the CSI information of HARQ-ACK and RI mono-class takies, the most all residue RE are For transmitting the information of CQI/PMI mono-class.The modulation symbol that the determination of the CSI information of note HARQ-ACK information and RI mono-class needs The parameter of number isThen can basisWithThe CSI information coming computed HARQ-ACK and RI mono-class accounts for Modulation symbol number Q ', such as,Its In, β o f f s e t P U S C H = β o f f s e t P U S C H , h i g h / β o f f s e t C Q I , It is the subcarrier number of PUSCH channel,It is that subframe is interior for passing The SCFDMA symbol numbers of transmission of data, O is the bit number of the P-CSI information of ARQ-ACK information and RI mono-class, OCQI-MINIt is CQI/ The bit number of PMI, wherein the bit number of the CQI/PMI of A-CSI can calculate equal to 1 according to RI.In this manner, If the modulation symbol of distribution CQI/PMI is very little, such as code rate exceedes certain thresholding, then can be to abandon CQI/PMI, And all of modulation symbol is used for transmitting HARQ-ACK and RI.Above-mentioned thresholding is predefined or high-level signaling configuration.
The third situation:
Assume to need on a up channel to feed back the higher CSI information of HARQ-ACK, reliability requirement and can simultaneously Require relatively low CSI information by property, and assume that above-mentioned all UCI information is combined coding.Such as, UE uses combined coding The situation of all information of method feedback HARQ-ACK and P-CSI.When the needs above-mentioned UCI of multiplexing on PUSCH and upstream data Time, method below can be used to determine for calculating modulation symbol number
If there is currently only a type of UCI, then use respective typeIf that is: only HARQ- ACK, thenIf only P-CSI and all P-CSI broadly fall into RI mono-class, then If only P-CSI and all P-CSI broadly fall into CQI/PMI mono-class, then
If there is currently multiple UCI type, then can be according to these UCI typesMaximum, calculate Modulation symbol number.There is HARQ-ACK simultaneously, the P-CSI information of RI mono-class that reliability requirement is higher and reliability requirement As a example by the CSI information of relatively low CQI/PMI mono-class, can be according toCount Calculate the modulation symbol number needed.In general, its result is the information higher according to reliability requirementI.e.OrCalculate modulation symbol number.Here, because the performance requirement of RI and HARQ-ACK is close,WithAlso relatively, but can not conclude that wherein certain value is the biggest.Or, because HARQ- The performance requirement of ACK and RI is higher than CQI/PMI, it is also possible to directly according to RI's and HARQ-ACKWithMaximum Value, i.e.Calculate the modulation symbol number of needs.Here, because RI and HARQ-ACK Performance requirement is close,WithAlso relatively, but can not conclude that wherein certain value is the biggest.Or, Further, because the performance requirement of RI and HARQ-ACK is close, it is also possible to directly predefined according to one of which UCI typeCalculate modulation symbol number, such as, to this situation, predefinedOr, also It can be one parameter of configurationAnd it is applied to have sent the situation of HARQ-ACK and/or RI, at this moment can also send out simultaneously Send the CSI information of CQI/PMI mono-class.
4th kind of situation:
Assume UE be to UCI information classification and encode respectively, rate-matched and modulation.Such as, UE needs at one The HARQ-ACK information of the multiple community of subframe internal feedback and the situation of P-CSI information.Here it is possible to directly using HARQ-ACK as One class UCI encodes, and to all P-CSI information, does not differentiates between RI and CQI/PMI, carries out combined coding.
When needs multiplexing HARQ-ACK, P-CSI and upstream data on PUSCH, method below can be used to determine For calculating modulation symbol numberTo HARQ-ACK information,To P-CSI information, can Being that the method according to above-mentioned the first situation of process is to arrange parameterSuch as, When needs feed back HARQ-ACK, P-CSI and A-CSI on PUSCH simultaneously, it is also possible to be to HARQ-ACK,The RI information consolidation of all P-CSI information and A-CSI is encoded, and higher according to reliability requirement Information arrangeSuch as, β o f f s e t P U S C H = m a x ( β o f f s e t R I , β o f f s e t C Q I ) ; The CQI/PMI information consolidation of A-CSI is encoded, β o f f s e t P U S C H = β o f f s e t C Q I .
When needs multiplexing HARQ-ACK information and P-CSI information in PUCCH format X, because all of modulation symbol Contribute to UCI's, it is possible to be the bit number according to every kind of UCI type and weightsCalculate its modulation taken Symbol numbers.Note processes the parameter that P-CSI mapsForSuch as,The most permissible According toWithCalculate the modulation symbol number that the UCI of two kinds of reliabilities takies.For example, it is assumed that PUCCH lattice Formula X is the structure reusing PUSCH, then distribution for the modulation symbol number of HARQ-ACK information isWherein,It is that PUCCH format X channel comprises Subcarrier number,Be PUCCH format X channel in subframe for transmitting the symbol numbers of data, O is HARQ- The bit number of ACK information, OPCSIIt it is the total number of bits of P-CSI information.In this manner, if the modulation of distribution P-CSI accords with Number very little, such as code rate exceedes certain thresholding, then can be to abandon P-CSI, and all of modulation symbol is used for passing Defeated HARQ-ACK.Above-mentioned thresholding is predefined or high-level signaling configuration.
It is similar to feed back the situation of UCI in PUCCH format X, does not dispatch for A-CSI when PUSCH only distributes Row data, when needs feed back HARQ-ACK, P-CSI and A-CSI on PUSCH, the information of RI mono-class in said method is Refer to the information of all P-CSI information and RI mono-class in the current A-CSI triggering each community, to all P-CSI information and A- The RI information consolidation coding of CSI, and arrange according to the information that reliability requirement is higherSuch as,And the information of CQI/PMI mono-class refers to CQI/PMI mono-class in the P-CSI of each community Information and/or the current A-CSI triggering each community in the information of CQI/PMI mono-class.Here, because the CQI/ of A-CSI The bit number of PMI is to rely on the RI information of A-CSI, when calculating the RE number that different UCI takies, and the CQI/PMI of A-CSI The information bit of one class can be to be 1 to calculate according to the value of RI.
When PUCCH format X feeds back UCI, above-mentioned parameterWithCan be anti-with on PUSCH The correspondence of feedback UCIParameter is equal.Or, even if PUCCH format X is the structure reusing PUSCH, but it is because PUCCH The all interference profile received of form X are typically different from PUSCH, its parameterWithIt is typically Different, so the present invention proposes, PUCCH format X can be defined new parameterWithFor Determine the modulation symbol number that corresponding UCI type takies.
5th kind of situation:
Assume UE be carry out respectively HARQ-ACK, RI and CQI/PMI encoding, rate-matched and modulation.
When there is upstream data, below description process RE map method.When needs multiplexing on PUSCH is above-mentioned During HARQ-ACK and P-CSI, can be corresponding HARQ instance-ACK, RI and CQI/PMI, be respectively adopted parameterWithCalculate modulation symbol number.When needs are at PUSCH multiplexing HARQ-ACK and A-CSI, it is also possible to be corresponding HARQ instance-ACK, RI and CQI/PMI, is respectively adopted parameterWithCalculate modulation symbol number.When needs are on PUSCH When feeding back HARQ-ACK, P-CSI and A-CSI, can be to HARQ-ACK simultaneously,To P-CSI's The information of RI mono-class and the RI information consolidation coding of A-CSI,To the information of CQI/PMI mono-class of P-CSI and The CQI/PMI information consolidation coding of A-CSI, β o f f s e t P U S C H = β o f f s e t C Q I .
When needs multiplexing in PUCCH format X above-mentioned HARQ-ACK and P-CSI information, because all of modulation symbol is all For UCI, it is possible to be the bit number according to every kind of UCI type, i.e. HARQ-ACK, RI and CQI/PMI and weightsCalculate its modulation symbol number taken.For example, it is assumed that PUCCH format X is the structure reusing PUSCH, then distribution is used for The modulation symbol number of HARQ-ACK information is Wherein,It is the subcarrier number that comprises of PUCCH format X channel,It is that PUCCH format X channel is used in subframe In the symbol numbers of transmission data, O is the bit number of HARQ-ACK information, ORIIt is the bit number of RI information, OCQIIt is CQI/PMI The bit number of information.In this manner, if the modulation symbol of distribution CQI/PMI is very little, such as code rate exceedes necessarily Thresholding, then can be to abandon CQI/PMI, and all of modulation symbol is used for transmitting HARQ-ACK and RI.During above-mentioned thresholding Predefined or high-level signaling configuration.
It is similar to feed back the situation of UCI in PUCCH format X, does not dispatch for A-CSI when PUSCH only distributes During row data, because all of modulation symbol contributes to UCI's, it is possible to be according to every kind of UCI type, i.e. HARQ- The bit number of ACK, RI and CQI/PMI and weightsCalculate its modulation symbol number taken.When needs are on PUSCH During feedback HARQ-ACK and A-CSI, the information of RI mono-class in said method refers to currently to trigger in the A-CSI of each community The information of RI mono-class, and the information of CQI/PMI mono-class refers to currently to trigger CQI/PMI mono-class in the A-CSI of each community Information.When needs feed back HARQ-ACK, P-CSI and A-CSI on PUSCH, the information of RI mono-class in said method refers to The information of RI mono-class in the information of RI mono-class in the P-CSI of each community and/or the current A-CSI triggering each community, And the information of CQI/PMI mono-class refers to the information of CQI/PMI mono-class in the P-CSI of each community and/or currently triggers each The information of CQI/PMI mono-class in the A-CSI of community.
Or, when PUSCH only distribute there is no dispatching uplink data for A-CSI time because all of modulation symbol is all For UCI, can first calculate the RE number that the CSI information of HARQ-ACK and RI mono-class takies, the most all residues RE is used for transmitting the information of CQI/PMI mono-class.Such as, to a kind of UCI, the modulation symbol number that it takiesWherein, the modulation symbol of computed HARQ-ACK During number,When calculating the modulation symbol number of RI, It is the subcarrier number of PUSCH channel,Being that subframe is interior for transmitting the SCFDMA symbol numbers of data, O is HARQ- The bit number of ACK information, OCQIBeing the bit number of CQI/PMI, wherein the bit number of the CQI/PMI of A-CSI can be according to RI etc. Calculate in 1.In this manner, if the modulation symbol of distribution CQI/PMI is very little, such as code rate exceedes certain Thresholding, then can be to abandon CQI/PMI, and all of modulation symbol is used for transmitting HARQ-ACK and RI.During above-mentioned thresholding pre- That define or high-level signaling configuration.
Specifically, when needs feed back HARQ-ACK and A-CSI on PUSCH, the information of RI mono-class refers to current touching Send out the information of RI mono-class in the A-CSI of each community,The information of CQI/PMI mono-class refers to work as The information of CQI/PMI mono-class in the A-CSI of front each community of triggering, i.e. OCQIEqual to OCQI-MIN, OCQI-MINBe to A-CSI by According to the RI bit number equal to the CQI/PMI of 1 calculating.When needs feed back HARQ-ACK, P-CSI and A-CSI on PUSCH, RI The information of one class refers to the RI in the information of RI mono-class in the P-CSI of each community and the A-CSI of current each community of triggering The information of one class, encodes the information consolidation of all RI mono-classes,The information of CQI/PMI mono-class is Refer to the information of CQI/PMI mono-class in the P-CSI of each community and the CQI/PMI mono-in the A-CSI of current each community of triggering The information of class, encodes the information consolidation of all CQI/PMI mono-classes, OCQIIt is equal to It is P- The bit number of the information of CQI/PMI mono-class of CSI, OCQI-MINIt it is the bit number to the CQI/PMI that A-CSI calculates equal to 1 according to RI.Or Person, when needs feed back HARQ-ACK, P-CSI and A-CSI on PUSCH, the information of RI mono-class in said method refers to institute There is the information of P-CSI information and RI mono-class in the current A-CSI triggering each community, the information consolidation of all RI mono-classes is compiled Code, and arrange according to the information that reliability requirement is higherSuch as, The information of CQI/PMI mono-class refers to currently trigger the information of CQI/PMI mono-class in the A-CSI of each community, i.e. OCQIIt is equal to OCQI-MIN, OCQI-MINIt it is the bit number to the CQI/PMI that A-CSI calculates equal to 1 according to RI.Here, because the CQI/PMI of A-CSI Bit number be to rely on the RI information of A-CSI, when calculating the RE number that different UCI takies, the CQI/PMI mono-of A-CSI The information bit of class can be to be 1 to calculate according to the value of RI.
When PUCCH format X feeds back UCI, above-mentioned parameterWithCan be anti-with on PUSCH The correspondence of feedback UCIParameter is equal.Or, even if PUCCH format X is the structure reusing PUSCH, but it is because PUCCH The all interference profile received of form X are typically different from PUSCH, its parameterWithIt is typically Different, so the present invention proposes, PUCCH format X can be defined new parameterWithFor Determine the modulation symbol number that corresponding UCI type takies.
Embodiment four
In CA system, when configuration community number more, or binding window size bigger time, UE need feedback HARQ-ACK bit is the most, such as, more than 22 bits.It addition, when the community number of configuration is more, UE needs feedback CSI information also correspondingly increases.It addition, UE it may also be desirable to send dispatch request (SR) at up direction.In order to support The upper UCI information feeding back more bits of PUCCH, needs to define new PUCCH format, it may be assumed that foregoing PUCCH format X.This In, it is assumed that map and on the PRB of PUCCH format X, only support one PUCCH format X channel of multiplexing.One PUCCH format X channel can To take one or more PRB.I.e., the once actual PUCCH format X channel that is assigned with, then its PRB is exclusively used in a UE.Example As, PUCCH format X can be the structure of multiplexing PUSCH, only has a symbol for DMRS in each time slot；Or, it is possible to To be to increase DMRS density, such as, in each time slot, distribute two DMRS symbols.When UE needs to send multiple at sub-frame of uplink The signal of type, the UCI information such as including HARQ-ACK, P-CSI and/or A-CSI, it is also possible to include upstream data, correspondingly divide When having joined multiple up channel, the present embodiment describes the method utilizing multiple such uplink channel transmission upward signal.
Assume that UE needs to transmit HARQ-ACK information and P-CSI in a subframe simultaneously, and be HARQ-ACK information Dynamically indicate a PUCCH format X resource, remember that its PRB number is N1；P-CSI has been semi-statically configured a PUCCH format X resource, remembers that its PRB number is N2.
UE can be that a channel in above-mentioned two PUCCH format X channel is to transmit HARQ-ACK information and P- CSI.Such as, UE can be the PUCCH format X channel using PRB number relatively more, thus the code rate ratio to UCI information Relatively low, advantageously ensure that link performance.
Or, because the PRB of the two PUCCH format X resource occupation is to be assigned to only this UE, thus another kind of Processing method is that the ascending resource taking PRB simultaneously utilizing the two PUCCH format X channel is to send HARQ-ACK and P- CSI.Here, UE can be use the two PUCCH format X channel whole N1+N2 PRB to transmit HARQ-ACK information with P-CSI；Or, UE can also be that a part of PRB in whole N1+N2 the PRB using the two PUCCH format X channel comes Transmission HARQ-ACK information and P-CSI.The present invention is not intended to select the side of the above-mentioned a part of PRB in whole N1+N2 PRB Method.Such as, note is that N, N are less than or equal to N1+N2, to based on PUSCH for transmitting the PRB number of HARQ-ACK information and P-CSI PUCCH format X channel, then this N number of PRB is the equal of the PUSCH channel resource taking N number of PRB.In LTE system, at present Only support that the PRB number of PUSCH is the power of 2,3 and/or 5.If need nonetheless remain for meeting this to limit, then it is unsatisfactory for above-mentioned as N During the condition of power, can attempt reducing PRB number, i.e. N-1, N-2 etc., it is possible to preferential use the power meeting 2,3 and/or 5 The maximum of PRB number, remembers that this PRB number is n, and the present invention is not intended to from N number of PRB select n PRB for transmitting UCI Method.As shown in Figure 10, it is assumed that each PUCCH format X resource takies a PRB respectively, then can use in the two PRB The method of upper transmission PUSCH processes UCI transmission, i.e. the length doubles of DMRS sequence, is 24 modulation symbols, and to each symbol Number, 24 modulation symbols of two PRB are done Pre-DFT conversion together.In the schematic diagram of Figure 10, assume that various UCI believes Breath is all to map according to the method for time priority, but the present invention is not limiting as the concrete mapping method of UCI.In certain situation Under, the PRB of the PUCCH format X channel of the HARQ-ACK of distribution transmission and the PUCCH format X letter being semi-statically configured transmission P-CSI The PRB in road can partly overlap or complete overlap, actual may be used for transmitting HARQ-ACK information and P-CSI PRB number is more than or equal to min (N1, N2), but less than N1+N2.
Assuming that UE needs to transmit UCI and upstream data in a subframe simultaneously, UCI here can only include HARQ- ACK, only includes P-CSI, or includes HARQ-ACK and P-CSI simultaneously.Correspondingly, base station can be merely UE and be assigned with one PUCCH format X channel, it is also possible to be to be assigned with two PUCCH format X channel and correspond respectively to HARQ-ACK and P-CSI.This In, the PRB number of the note PUCCH format X channel for transmitting HARQ-ACK information is N1, for PUCCH format X of P-CSI The PRB number of channel is N2.It addition, UE is also assigned with the PUSCH channel for transmitting upstream data, and remember PRB of PUSCH Number is NPUSCH.At this moment, because the PUCCH format X channel of above-mentioned distribution is specifically assigned to this UE, so a kind of process side Method is that the PRB of PRB and PUSCH simultaneously utilizing PUCCH format X is to send UCI and upstream data.
UE can be PRB with PUSCH utilizing a PUCCH format X channel PRB together with transmit UCI and upstream data, Remember that this PRB number being used for the PUCCH format X channel of uplink is that M, i.e. M are equal to N1 or N2, then UE is at NPUSCH+M Uplink is carried out on the ascending resource of individual PRB.Such as, it has been respectively configured PUCCH format X channel as HARQ-ACK and P-CSI Time, can be to carry out uplink together with PRB with PUSCH only using one of them PUCCH format X.Such as use and distribute to The PUCCH format X channel of P-CSI.Here, because the PRB of distribution P-CSI is semi-static distribution, even if UE does not uses, base station is also Shortage mechanism makes full use of this PRB resource.Or, it is also possible to it is with the PUCCH lattice being dynamically assigned to HARQ-ACK information Formula X channel, base station ensures resource utilization by other mechanism.Or, UE can be the PUCCH lattice using PRB number relatively more Carry out uplink together with the PRB of PRB with PUSCH of Formula X channel, thus available ascending resource is more, advantageously ensures that link Performance.Or, if the PRB number needing UE to use need be 2,3 and/or 5 power, then determining for uplink During PUCCH format X channel, the PRB number sum of its PRB number of prioritizing selection and PUSCH channel meets the power of 2,3 and/or 5 PUCCH format X channel, and select to take the channel of more PUCCH format X of PRB number.Work as NPUSCH+ M is unsatisfactory for above-mentioned power During condition, can attempt reducing PRB number, i.e. NPUSCH+M-1、NPUSCH+ M-2 etc., it is possible to preferential employing meets 2,3 and/or 5 The maximum of PRB number of power, remember that this PRB number is m, the present invention is not intended to from NPUSCH+ M PRB selects m PRB For the method transmitting UCI and upstream data.
Or, HARQ-ACK and P-CSI has been respectively configured the situation of PUCCH format X channel, can be to use the two Uplink is carried out together with the PRB of PRB with PUSCH of PUCCH format X channel.Here, UE can be to use the two PUCCH Whole N1+N2 PRB of form X channel carry out uplink；Or, UE can also be to use the two PUCCH format X channel Whole N1+N2 PRB in a part of PRB carry out uplink.In some cases, the HARQ-ACK's that distribution is transmitted The PRB of PUCCH format X channel and be semi-statically configured the PRB of PUCCH format X channel of transmission P-CSI can be partly overlap or Person completes overlap, and the actual PRB number that may be used for transmitting the PUCCH format X channel of UCI and upstream data is more than or equal to Min (N1, N2), but less than N1+N2.So, the above-mentioned PUCCH format X channel that may be used for transmitting UCI and upstream data Part or all of PRB is used for transmitting UCI and upstream data.It is above-mentioned that the present invention is not intended in the most available PRB of selection The method of a part of PRB.Such as, note is N, the N maximum less than or equal to available PRB number for the PRB number of uplink, UE is at NPUSCHUCI and upstream data is transmitted on the ascending resource of+N number of PRB.If needing the PRB number meeting UE use is 2,3 And/or the power of 5, then work as NPUSCHWhen+N is unsatisfactory for the condition of above-mentioned power, can attempt reducing PRB number, i.e. NPUSCH+N-1、 NPUSCH+ N-2 etc., it is possible to the maximum of the preferential PRB number using the power meeting 2,3 and/or 5, remember that this PRB number is n, The present invention is not intended to from N number of PRB select n PRB for the method transmitting UCI.
The PRB number of PUSCH can not be limited by said method, such as, if NPUSCH+ k remains 2,3 and/or 5 Power, k is because there is the PRB number for uplink that PUCCH format X channel can increase, then UE takies NPUSCH+k Individual PRB transmits UCI and upstream data.Or, said method can also be only in the PRB number of PUSCH less than a thresholding NTTime just application.NTCan configure with high-level signaling, or NTIt is predefined, such as NTEqual to 5.This is because work as When the PRB number of PUSCH is fewer, transmitting too many UCI information on PUSCH can affect the transmission performance of upstream data, logical Cross increase PRB number, the impact on transmitting uplink data can be reduced.
The method simultaneously transmitting UCI and upstream data in using said one subframe, although divide in uplink authorization signaling The PRB number of the PUSCH channel being used in transmission upstream data is NPUSCH, actually UE is at NPUSCHThe PUSCH of+k PRB Channel upstream data and UCI.K is because there is the PRB for uplink that PUCCH format X channel can increase Number.Present invention further propose that, can no longer limit NPUSCHIt is the power of 2,3 and/or 5, but only limits NPUSCH+ k is 2,3 And/or the power of 5.
In existing LTE system, only support the situation that PUSCH channel includes most two PRB bunch, in the most same bunch PRB be continuous print, the PRB between different bunches is discontinuous.If remaining in that this limits, then utilize PUCCH to above-mentioned The method transmitting UCI and upstream data together with the PRB of PRB with PUSCH of form X channel causes restriction.PRB bunch of note permission The maximum of number is q, then UE is for transmitting PRB bunch of number of UCI and upstream data less than or equal to q.Q can be up with transmission The PRB number of clusters of the PUSCH of data is consistent, and such as, q is equal to 2；Or, at the same time when transmission UCI and upstream data, it is also possible to be Allowing bigger q, such as q is equal to 3.Here it is possible to be preferentially use PUSCH channel PRB to transmit UCI and upstream data, I.e., it is assumed that the PRB number of clusters of the PUSCH of transmission upstream data has been q, then only when the PRB of PUCCH format X channel is with upper State the PRB of PUSCH adjacent time, just can utilize the PRB of PRB and PUSCH of PUCCH format X channel simultaneously；Otherwise, Ke Yitong The PRB of PRB and PUSCH of Shi Liyong PUCCH format X channel, and need to ensure that the actual PRB bunch of number taken of UE is less than In q.Or, if the PRB bunch of number that the PRB of the PRB of PUSCH and PUCCH format X channel is constituted is less than or equal to q, then own The PRB of PUSCH and the PRB of PUCCH format X channel may be used to transmit UCI and upstream data；Otherwise, can be to comprise UCI and upstream data is transmitted on the PRB of PRB number most q PRB bunch.Transmit in a subframe above simultaneously UCI and on The method of row data, is also applied for being fully allocated the PUSCH for A-CSI, i.e. not actually exists the feelings of transmitting uplink data Condition.Here UCI can only include HARQ-ACK, only includes P-CSI, or includes HARQ-ACK and P-CSI simultaneously.At this moment, According to above method, the PRB number of the PUSCH channel joining A-CSI of scoring is NPUSCH, then can be at NPUSCHOn+k PRB Transmission UCI and upstream data, k is because there is the PRB number for uplink that PUCCH format X channel can increase.
Embodiment five
According to existing LTE specification, when there is not PUCCH transmission, the transmission merit of the PUSCH channel in subframe i of community c Rate determines according to following formula:
P P U S C H , c ( i ) = min P C M A X , c ( i ) , 10 log 10 ( M P U S C H , c ( i ) ) + P O _ P U S C H , c ( j ) + α c ( j ) · PL c + Δ T F , c ( i ) + f c ( i ) [ d B m ] - - - ( 1 )
Wherein, in formula (1), the definition of parameters refers to the 5.1.1.1 chapter of 3GPP specification 36.212, and brief introduction is as follows: PCMAX,cI () is the maximum transmission power on the community c of configured UE；MPUSCH,cI () is the PRB number that PUSCH takies； PO_PUSCH,cJ () is the power offset values of high-level signaling configuration；PLcIt it is link load；αcJ () is the whole of control and compensation link load Or a part；fcI () is the accumulated value of close-loop power control；△TF,cI () is a parameter relevant with the MCS of uplink. Specifically, K is worked asSDuring equal to 0, △TF,c(i)=0；Work as KSDuring equal to 1.25, To only sending A-CSI and do not send the situation of upstream data, BPRE=OCQI/NRE,To have sent upstream data Situation,C is the number of the CB that a TB divides, KrIt it is the ratio of r CB Special number, NREIt is that the RE that PUSCH channel comprises is total.
Assume that UE needs to scheduled upstream data in a subframe, or trigger A-CSI but there is not line number According to, correspondingly, base station is that UE is assigned with a PUSCH channel.In addition, it is assumed that UE also needs to feed back UCI in this subframe, this In UCI can only include HARQ-ACK, only include P-CSI, or include HARQ-ACK and P-CSI, correspondingly, base station simultaneously It is assigned with PUCCH format X channel for UE.The PRB number of the PUSCH channel joined of scoring is NPUSCH.Then, according to the side of embodiment four Method, can be at NPUSCHThe above-mentioned UCI of PUSCH channel, upstream data and/or the A-CSI that+k PRB is constituted.Wherein, k It is because there is the PRB number for uplink that PUCCH format X channel can increase.Especially, k can be equal to 0, On PUSCH, the most only transmit UCI and upstream data.
Corresponding said method, can be according to the PRB sum after increasing, i.e. Next=N 'PUSCH+ k processes up merit Control.Wherein, N 'PUSCHIt it is the PRB number of the PUSCH channel of distribution.To scheduled the situation of upstream data, N 'PUSCHMay refer to In present sub-frame, distribution is for PRB number N of transmitting uplink dataPUSCH, or, N 'PUSCHMay also mean that same TB exists The PRB number of distribution during its initial transmission.When triggering A-CSI but there is no upstream data, N 'PUSCHMay refer to currently In subframe, distribution is for PRB number N of transmitting uplink dataPUSCH。
Based on formula (1), M can be setPUSCH,cI () is PRB sum Next.Based on formula (1), work as KSDuring equal to 0, parameter △TF,c(i)=0；Work as KSWhen being not equal to 0,Such as KSEqual to 1.25, below K is describedSTo parameter △ when being not equal to 0TF,cThe processing method of (i).
The first processes △TF,cThe method of (i), when there is upstream data,BPRE is according to current number According to bit number and PRB sum NextCalculate, i.e.NRE=Next·M'PUSCH.When triggering A-CSI But when there is no upstream data,BPRE can be the bit number O of the CQI/PMI according to A-CSICQIAnd PRB Sum NextCalculate, i.e. BPRE=OCQI/NRE, NRE=Next·M'PUSCH。OCQITo A-CSI according to RI equal to 1 calculating The bit number of CQI/PMI.Or, when triggering A-CSI but there is no upstream data, can according to total bit number of UCI, PRB sum NextWith one of which UCISuch as, the UCI's that reliability requirement is the highestProcess △TF,c I (), BPRE can be the total bit number O according to UCIUCIWith PRB sum NextCalculate, i.e. BPRE=OUCI/NRE, NRE= Next·M'PUSCH。。
The second processes △TF,cThe method of (i), when there is upstream data,BPRE is according to current number PRB number N of transmitting uplink data it is used for ' according to bit number and distributionPUSCHCalculate,NRE= N'PUSCH·M'PUSCH.When triggering A-CSI but there is no upstream data,BPRE is according to A-CSI The bit number O of CQI/PMICQIWith PRB number N that distribution is used for transmitting uplink data 'PUSCHCalculate, BPRE=OCQI/NRE, NRE =N'PUSCH·M'PUSCH.Or, when triggering A-CSI but there is no upstream data, can according to total bit number of UCI, The PRB sum N ' of PUSCHPUSCHWith one of which UCISuch as, the UCI's that reliability requirement is the highestCome Process △TF,cI (), BPRE can be the total bit number O according to UCIUCIPRB sum N ' with PUSCHPUSCHCalculate, i.e. BPRE =OUCI/NRE, NRE=N'PUSCH·M'PUSCH。OCQIIt it is the bit number to the CQI/PMI that A-CSI calculates equal to 1 according to RI.
The third processes △TF,cThe method of (i), when there is upstream data,BPRE=Ntot/NRE。NtotCan To refer to the bit number N of UCIUCIBit number with upstream dataSum, i.e.When feedback is multiple During UCI type, NUCIIt it is the total number of bits of various UCI type.Or, NtotMay also mean that the equivalent data of UCI and upstream data Total number of bits, to a kind of UCI type, remembers that its bit number is NUCI,k, then can be according to the parameter of this UCI typeIt is designated asObtain its equivalent data bit numberThus N t o t = Σ r = 0 C - 1 K r + Σ k ( β o f f s e t , k P U S C H · N U C I , k ) . Above-mentioned UCI type may refer to HARQ-ACK, CQI/PMI or RI；Or, to P-CSI, it is also possible to be not differentiate between CQI/PMI and RI, And refer to the total number of bits of P-CSI.NREAlso it is according to PRB sum NextCalculate, or only pass for upstream data according to distribution Defeated PRB number N 'PUSCHCalculate.
When triggering A-CSI but there is no upstream data,BPRE=Ntot/NRE。NtotCan be Refer to the bit number N of UCIUCIBit number O with the CQI/PMI of A-CSICQISum, i.e. Ntot=NUCI+OCQI, when feeding back multiple UCI During type, NUCIIt it is the total number of bits of various UCI type.Or, NtotMay also mean that the ratio of the CQI/PMI of UCI and A-CSI Special number OCQIEquivalent CQI total number of bits, to a kind of UCI type, remember that its bit number is NUCI,k, then can be according to this UCI The parameter of typeIt is designated asObtain its equivalent data bit numberThusAbove-mentioned UCI type may refer to HARQ-ACK, from the CQI/ of P-CSI PMI or RI；Or, to P-CSI, it is also possible to be not differentiate between CQI/PMI and RI, and refer to the total number of bits of P-CSI.NREAlso it is According to PRB sum NextCalculate, or be only used for PRB number N of transmitting uplink data according to distribution 'PUSCHCalculate.OCQIIt is Bit number to the CQI/PMI that A-CSI calculates equal to 1 according to RI.
In above-mentioned three kinds of methods, M'PUSCHMay refer to distribute in present sub-frame for transmitting uplink data is up The SCFDMA symbol numbers of resource, i.e. It it is SCFDMA symbol in a time slot Number, NSRSIt it is the interior SCFDMA symbolic number for SRS transmission of present sub-frame；Or, M'PUSCHMay refer to same TB at it The SCFDMA symbol numbers of the ascending resource of distribution during initial transmission, i.e.NSRSRefer to For the SCFDMA symbolic number of SRS transmission in the same TB sub-frame of uplink when its initial transmission.
It addition, process discussed above △TF,cI the method for () can be only applicable to KSIt is not equal to the situation of 0.When being configured with Uplink transmission mode 2, when i.e. supporting uplink MEVlO transmissions, existing standard limits KSDuring equal to 0, thus also cannot pass through △TF,c I () controls uplink power.Particularly not having the situation of upstream data to triggering A-CSI, UE actually adopts Transmit with monolayer (layer), but still can not pass through △TF,cI () controls uplink power.To uplink transmission mode 2, In order to preferably control ascending power, the present invention proposes can not have the situation of upstream data to triggering A-CSI, According to above-mentioned KSIt is not equal to 0, such as KSMethod equal to 1.25 processes △TF,c(i) and uplink power control；And to other situations, still So use KSMethod equal to 0 processes uplink power control.
It addition, to there is the situation of upstream data, and there is no the situation of upstream data to triggering A-CSI, respectively Parameter P is setO_PUSCH,c(j).It is thus possible to according to have sent upstream data and only sending the performance difference of A-CSI and adjust Row power control.
When circule power control method based on above-mentioned PUSCH processes PUCCH power control, such as, tie based on PUSCH for PUCCH The situation of structure, can be that the power control of the power control to transmitting uplink data and PUCCH is respectively configured parameter KS, thus at upstream data Transmission is based on KSIn the case of processing power control equal to 0, still can configure PUCCH power control based on KSMore than 0, such as 1.25 places Reason.Or, it is also possible to it is power control parameters K being independent of transmitting uplink dataS, predefined PUCCH power control is fixing based on processing In KSMore than 0, such as 1.25 process.
Embodiment six
On a sub-frame of uplink, it may be necessary to transmit polytype UCI information.On a up channel, remember it Modulation symbol number is NRE, to UCI type k, remember that its bit number is Nk, correspondingly parameterFor
Above-mentioned up channel can be PUCCH format X channel, thus feeds back HARQ-ACK and/or P-CSI；Or, to touching But having sent out A-CSI there is not the situation of upstream data, above-mentioned up channel can be PUSCH channel.Or, use above-mentioned reality The method executing example four, above-mentioned up channel refers to the PRB set of multiple PUCCH format X channel；Or, above-mentioned up channel is Refer to the PRB set of PUSCH channel and PUCCH format X channel.
Not being general, above-mentioned UCI type may refer to distinguish CQI/PMI, RI and HARQ-ACK, such as, is designated as successively UCI type k, k is equal to 3 equal to 0,1,2, UCI type sum K, and 3 kinds of UCI types is separately encoded and is calculated respectively its mapping RE number.Or, UCI is divided into K and is equal to 2 classes, 2 kinds of UCI types are separately encoded and calculate respectively its RE mapped Number.Such as, CQI/PMI is designated as UCI type 0, and HARQ-ACK, SR and RI combined coding, is designated as UCI Class1；Or, Do not differentiate between RI and CQI/PMI, P-CSI is designated as UCI type 0, HARQ-ACK is designated as UCI Class1.
The reliability requirement of different types of UCI is usually different, and its relative reliability can pass through parameter Control.Generally, the reliability requirement of CQI/PMI is lower relative to HARQ-ACK and RI.In the different UCI class of distribution During the RE number that type takies, can be the bit number according to UCI type k and its parameterCalculate its RE taken.Such as, The method using embodiment 3, when there is two kinds of UCI types, the modulation symbol number of distribution UCI type 0 isThis formula have employed down and round, be because UCI type 0 Represent the UCI type that reliability requirement is relatively low.But, this calculated modulation symbol number Q ' may result in UCI The code rate of type 0 is the highest, and even greater than 1.This causes transmitting UCI type 0, especially when have employed embodiment four Method, in multiple PUCCH format X channel or the situation of the PRB using PUSCH channel and PUCCH format X channel simultaneously. In this case, always there is the RE of abundance for carrying uplink.
The present invention proposes when needs are a subframe internal feedback multiple UCI type, to kth kind UCI type, and k=0, 1 ... K-1, a number of modulation symbol of predistribution, it is designated as Mk。MkCan be true according to the lowest performance demand of UCI type k Fixed, such as, maximum code rate R that can use according to UCI type kk,Different UCI type RkCan be identical or can also be different, RkCan be predefined or high-level signaling configuration, NCRC It is the bit number to the CRC that UCI type k is added, QmIt it is order of modulation.Especially, maximum code rate R of each UCI type kk Proportionate relationship can be with its parameterProportionate relationship identical.
If the sum of the preallocated modulation symbol number of K kind UCI typeModulation symbol equal to up channel Sum NRE, the most preallocated modulation symbol number is exactly the modulation symbol number of each UCI type distribution.
IfMore than NRE, i.e. the RE number of up channel is not enough to transmit HARQ-ACK and CSI simultaneously, at this moment, and can To be to lose part or all CSI information, recalculate new Mk, until obtainingThe present invention is not intended to The method losing part or all CSI information.
IfLess than NRE, i.e. after calculating, according to lowest performance demand, the number of modulation symbols needed, the most surplus RemainingIndividual modulation symbol, these residue modulation symbols may be used for improving the property of one or more UCI types Energy.Remembering that above-mentioned residue modulation symbol distributes the modulation symbol number of UCI type k is Q 'k, thus the modulation taken of UCI type k symbol Number total Qk=Q 'k+Mk。
IfLess than NRE, above-mentioned residue modulation symbol can be entirely used for the UCI that transmission reliability requirement is the highest Type, such as HARQ-ACK.Or, above-mentioned residue modulation symbol can be etc. to give each UCI class that present sub-frame is to be fed back Type.Or, above-mentioned residue modulation symbol can also distribute according to the ratio of the bit number of each UCI type.Such as, above-mentioned surplus The modulation symbol number distributing UCI type 0 in remaining modulation symbol is
Or, ifLess than NRE, the distribution of above-mentioned residue modulation symbol can also be ratio based on UCI type k Special number and above-mentioned maximum code rate Rk.That is, according to above-mentioned maximum code rate RkRatio be each UCI type distribution above-mentioned Residue modulation symbol.Such as, the modulation symbol number distributing UCI type 0 in above-mentioned residue modulation symbol isUse this method, be to ensure that the actual coding speed of each UCI type Ratio and its maximum code rate RkRatio identical or close.To above-mentioned bit number based on UCI type k and maximum coding Speed RkThe method distributing above-mentioned residue modulation symbol, it is also possible to be directly according to modulation symbol sum NREIt is calculated distribution The modulation symbol sum of UCI type k, such as, the modulation symbol sum of distribution UCI type 0 is
Or, ifLess than NRE, the distribution of above-mentioned residue modulation symbol can also be ratio based on UCI type k Special number and its parameterThat is, according to parameterRatio be each UCI type distribute above-mentioned residue modulation symbol.Such as, The modulation symbol number distributing UCI type 0 in above-mentioned residue modulation symbol is
Or, ifLess than NRE, the tune meeting its minimum performance requirement is at least distributed in every kind of UCI type of guarantee Under conditions of symbol numbers processed, as far as possible according to parameterRatio control the modulation symbol number of UCI type distribution Ratio.Specifically, according to modulation symbol sum NRE, bit number based on UCI type k and its parameterCalculate UCI type The modulation symbol number Q of k "k, i.e. according to parameterThe whole N of ratio cut partitionREIndividual modulation symbol, such as, the modulation of UCI type 0 Symbolic numberIf each UCI type meets the restriction of its lowest performance demand, i.e. Q”k≥Mk, k=0,1 ... K-1, then the modulation symbol sum Q of UCI type k distributionk=Q "k.Otherwise, to being unsatisfactory for minimum property UCI type p of energy demand, i.e. Q "p<MpSo that it is the modulation symbol sum of distribution is Mp；It follows that remember above-mentioned all be unsatisfactory for The modulation symbol sum of the UCI type p distribution of low performance demand isTo remainingIndividual modulation symbol, Bit number and parameter according to residue UCI typeDistribute modulation symbol, and continue to judge that each UCI type is distributed Modulation symbol number whether meet the restriction of its minimum performance requirement, and correspondingly process.Especially, it is assumed that in a subframe The UCI of feedback is divided into two types, its bit number and parameterIt is designated as N respectivelykWithAnd remember two kinds of UCI types The lowest modulation symbol numbers needing distribution is Mk, k=0,1, then distribution UCI type 0 modulation symbol number it may be that
Correspondingly, the modulation symbol number of distribution UCI Class1 is Q1=NRE-Q0.Especially, it is assumed that in a subframe The UCI of feedback is divided into three types, its bit number and parameterIt is designated as N respectivelykWithAnd remember three kinds of UCI types The lowest modulation symbol numbers needing distribution is Mk, k=0,1,2.When distributing modulation symbol, can be that preferential enhancing indexes k It is worth the performance of bigger UCI type.Such as, the reliability requirement of HARQ-ACK is generally greater than RI and CQI/PMI, and CQI/ The reliability requirement of PMI is minimum, and k=0, the UCI of 1,2 can be made to correspond respectively to CQI/PMI, RI and HARQ-ACK.But It is that the present invention is not intended to use the priority orders of other CQI/PMI, RI and HARQ-ACK.Such as, UCI type 2 is distributed Modulation symbol number it may be that
Correspondingly, the modulation symbol number of distribution UCI Class1 is,
Correspondingly, the modulation symbol number of distribution UCI type 0 is Q0=NRE-Q2-Q1。
The present invention proposes when needs are a subframe internal feedback multiple UCI type, is first according to UCI total number of bits and upper The RE sum N of row channelREJudge whether can support to transmit all of UCI information.Such as, according to UCI total number of bits NUCICount Calculate code rate R=(NUCI+K·NCRC)/NRE/QmIf this code rate exceedes certain thresholding Rlimit, then can be to lose Fall part or all CSI information, recalculate new code rate, until obtaining code rate less than Rlimit。RlimitCan Be predefined or high-level signaling configuration.The method that the present invention is not intended to lose part or all CSI information.Connect Get off, to kth kind UCI type, k=0,1 ... K-1, a number of modulation symbol of predistribution, it is designated as Mk。MkCan be right UCI type k is according to code rate thresholding RlimitThe modulation symbol number calculated, Mk=(Nk+NCRC)/Rlimit/Qm.If K kind The sum of the preallocated modulation symbol number of UCI typeModulation symbol sum N equal to up channelRE, then predistribution Modulation symbol number be exactly each UCI type distribution modulation symbol number.IfLess than NRE, then to remainingIndividual modulation symbol, can be according to the bit number of UCI type k and its parameterCalculate its RE number taken Q′k, thus the modulation symbol sum taken of UCI type k is Q 'k+Mk.Such as, above-mentioned residue modulation symbol distributes UCI class The modulation symbol number of type 0 isOr, ifLess than NRE, Under conditions of ensureing that every kind of UCI type at least distributes the modulation symbol number meeting its minimum performance requirement, as far as possible according to ginseng NumberRatio control the ratio of modulation symbol number of UCI type distribution.Specifically, according to modulation symbol sum NRE, bit number based on UCI type k and its parameterCalculate the modulation symbol number Q of UCI type k "k, i.e. according to parameterThe whole N of ratio cut partitionREIndividual modulation symbol, such as, the modulation symbol number of UCI type 0If each UCI type meets the restriction of its lowest performance demand, i.e. Q "k≥ Mk, k=0,1 ... K-1, then the modulation symbol sum Q of UCI type k distributionk=Q "k.Otherwise, to being unsatisfactory for lowest performance demand UCI type p, 0≤p≤K-1, i.e. Q "p<MpSo that it is the modulation symbol sum of distribution is Mp；It follows that remember above-mentioned all discontented The modulation symbol sum of the UCI type p distribution of foot lowest performance demand isTo remainingIndividual modulation Symbol, according to bit number and the parameter of residue UCI typeDistribute modulation symbol, and continue to judge each UCI class Whether the modulation symbol number of type distribution meets the restriction of its minimum performance requirement, and correspondingly processes.Especially, it is assumed that at one The UCI of subframe internal feedback is divided into two types, its bit number and parameterIt is designated as N respectivelykWithAnd remember two kinds of UCI The lowest modulation symbol numbers needing distribution of type is Mk, k=0,1, then the modulation symbol number of distribution UCI type 0 is permissible It is,
Correspondingly, the modulation symbol number of distribution UCI Class1 is Q1=NRE-Q0.Especially, it is assumed that in a subframe The UCI of feedback is divided into three types, its bit number and parameterIt is designated as N respectivelykWithAnd remember three kinds of UCI types The lowest modulation symbol numbers needing distribution is Mk, k=0,1,2.When distributing modulation symbol, can be that preferential enhancing indexes k It is worth the performance of bigger UCI type.Such as, the reliability requirement of HARQ-ACK is generally greater than RI and CQI/PMI, and CQI/ The reliability requirement of PMI is minimum, and k=0, the UCI of 1,2 can be made to correspond respectively to CQI/PMI, RI and HARQ-ACK.But It is that the present invention is not intended to use the priority orders of other CQI/PMI, RI and HARQ-ACK.Such as, UCI type 2 is distributed Modulation symbol number it may be that
Correspondingly, the modulation symbol number of distribution UCI Class1 is,
Correspondingly, the modulation symbol number of distribution UCI type 0 is Q0=NRE-Q2-Q1。
When UE transmits HARQ-ACK and P-CSI, or during HARQ-ACK and A-CSI, it is assumed that its up channel is multiple The PRB set of PUCCH format X channel, or, its up channel refers to the PRB collection of PUSCH channel and PUCCH format X channel Close.Because abundant for the RE of uplink, so can also be not detect whether total modulation symbol number exceedes according to The modulation symbol number that low performance demand calculates, i.e. need not processMore than NRESituation, but directly processEqual to or less than NRESituation.
Corresponding to method shown in Fig. 2～Fig. 5, the present invention each provides the equipment of correspondence, is explained separately below.
Figure 11 is the composition structural representation of the equipment of present invention multiplexing UCI on the uplink channel, equipment bag shown in Figure 11 Include: classification processing module and mapping block, wherein:
Described classification processing module, for classifying UCI, and the UCI classifying difference encodes respectively, rate-matched And modulation；
Described mapping block, for mapping the UCI of difference classification the most respectively.
Figure 12 is the composition structural representation of the equipment of present invention multiplexing A-CSI and P-CSI on the uplink channel, Tu12Suo Show that equipment includes: feedback information determines module and feedback module, wherein:
Described feedback information determines module, for determining the P-CSI needing in present sub-frame to feed back together with A-CSI；
Described feedback module, for encoding described A-CSI and P-CSI, rate-matched and modulation, and is mapped to The upper transmission of PUSCH.
Figure 13 is the composition structural representation of the equipment of the number of modulation symbols that present invention determine that UCI takies, shown in Figure 13 Equipment includes: coding module and computing module, wherein:
Described coding module, for encoding the UCI to be fed back at present sub-frame；
Described computing module, for determine UCI corresponding to carrying out combined coding for calculating modulation symbol number
Figure 14 is the composition structural representation of the equipment that present invention determine that the PRB resource for uplink, shown in Figure 14 Equipment includes: resource determination module and transport module, wherein:
Described resource determination module, for determining take up according to the up channel that is assigned in present sub-frame PRB resource；
Described transport module, for being mapped to the uplink information in present sub-frame corresponding to described up PRB resource PUSCH channel.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvement etc. done, within should be included in the scope of protection of the invention.

Claims (15)

1. the method for a multiplexing ascending control information on the uplink channel, it is characterised in that including:
User equipment (UE) to ascending control information UCI classify, and to difference classification UCI encode respectively, rate-matched and Modulation；
UE maps the UCI of different classification the most respectively.
Method the most according to claim 1, it is characterised in that the UCI that difference is classified by described UE carries out coding bag respectively Include:
Hybrid automatic repeat-request response HARQ-ACK information, dispatch request SR and first kind channel status are indicated CSI information Combined coding is carried out as first kind UCI information；
Equations of The Second Kind CSI information is carried out combined coding as Equations of The Second Kind UCI information；
Wherein, first kind CSI information is higher than the reliability requirement of Equations of The Second Kind CSI information, and first kind UCI information is than Equations of The Second Kind UCI The reliability requirement of information is high.
Method the most according to claim 2, it is characterised in that:
When UE needs the periodic channel state instruction P-CSI a N number of community of subframe internal feedback, difference is classified by described UE UCI carry out coding respectively and include: using the P-CSI of described N number of community belongs to order instruction RI mono-class information as the first kind UCI information carries out combined coding；The P-CSI of described N number of community will belong to channel quality indicator (CQI)/pre-coding matrix instruction The information of PMI mono-class carries out combined coding as Equations of The Second Kind UCI information；
When UE needs the P-CSI a N number of community of subframe internal feedback and aperiodic channel status instruction A-CSI, described UE The UCI classifying difference carries out coding respectively and includes: will belong to the information of RI mono-class in the P-CSI of described N number of community and/or work as The information belonging to RI mono-class in the A-CSI of front each community of triggering carries out combined coding as first kind UCI information；By described N The P-CSI of individual community belongs in the information of CQI/PMI mono-class and/or the A-CSI of current each community of triggering and belong to CQI/PMI The information of one class carries out combined coding as Equations of The Second Kind UCI information；
When UE needs in HARQ-ACK and the P-CSI information of a N number of community of subframe internal feedback, difference is classified by described UE UCI carries out coding respectively and includes: the information and HARQ-ACK information that belong to RI mono-class in the P-CSI of described N number of community are made Combined coding is carried out for first kind UCI information；Using the P-CSI of described N number of community belongs to CQI/PMI mono-class information as Two class UCI information carry out combined coding；
When UE needs in HARQ-ACK, P-CSI and A-CSI information of a N number of community of subframe internal feedback, described UE is to difference The UCI of classification carries out coding respectively and includes: will belong to the information of RI mono-class in the P-CSI of described N number of community, currently trigger each The information and the HARQ-ACK information that belong to RI mono-class in the A-CSI of community carry out combined coding as first kind UCI information； CQI/ is belonged to by the P-CSI of described N number of community belonging in the information of CQI/PMI mono-class, the current A-CSI triggering each community The information of PMI mono-class carries out combined coding as Equations of The Second Kind UCI information；
Wherein, N is integer.
4. the method that the instruction of multiplexing periodic channel state and aperiodic channel status indicate on the uplink channel, its feature exists In, including:
User equipment (UE) determines the periodic channel shape needing to feed back together with aperiodic channel status instruction A-CSI in present sub-frame State instruction P-CSI；
Described A-CSI and P-CSI is encoded by UE, rate-matched and modulation, and is mapped to Physical Uplink Shared Channel PUSCH Upper transmission.
Method the most according to claim 4, it is characterised in that the P-CSI that described needs feed back together with A-CSI includes:
All P-CSI being configured to present sub-frame；
Or, the P-CSI of main plot Pcell；
Or, it is configured with the P-CSI of the community of PUCCH；
Or, belong to the P-CSI of RI mono-class；
Or, priority-level sets the P-CSI of thresholding higher than one；
Or, it is different from CSI process identifier ID, community ID and the P-CSI of CSI subframe collection index of described A-CSI；
Or, the P-CSI fed back together with A-CSI is determined according to the configuration of high-level signaling.
Or, in present sub-frame, need the Part I P-CSI's in multiple P-CSI of feedback or Part I P-CSI Subset, wherein, described Part I P-CSI is to control the method for feedback P-CSI on channel PUCCH according to row physically to determine Part I P-CSI.
Method the most according to claim 4, it is characterised in that: A-CSI's and P-CSI fed back together in a subframe CSI number of processes is less than or equal to N, and wherein, N is the maximum number that UE supports the CSI process of the A-CSI of feedback in a subframe Mesh is N；
Or, the CSI number of processes of A-CSI and P-CSI fed back together in a subframe is with high level less than or equal to M, M The maximum number M of the CSI process that UE feeds back simultaneously in a subframe of signal deployment, and M > N.
7. the method determining number of modulation symbols that ascending control information takies, it is characterised in that including:
The ascending control information UCI to be fed back at present sub-frame is encoded by user equipment (UE)；
UE determines the parameter for calculating modulation symbol number of the UCI corresponding to carrying out combined codingAnd determine distribution Modulation symbol number to various UCI types.
Method the most according to claim 7, it is characterised in that:
Described UE carries out coding to the UCI to be fed back at present sub-frame and includes: all UCIs to be fed back at present sub-frame are entered by UE Row combined coding；
Described UE determines the parameter for calculating modulation symbol number of the UCI corresponding to carrying out combined codingIncluding:
If all UCI belong to same type, then use described type correspondingCalculate modulation symbol number；
If comprising different types of UCI at the UCI that present sub-frame is to be fed back, use described dissimilar UCI correspondingMaximum value calculation modulation symbol number.
Method the most according to claim 7, it is characterised in that: described UE determines the UCI's corresponding to carrying out combined coding For calculating the parameter of modulation symbol numberIncluding:
To PUCCH format X channel, reuse the parameter of the RE number determining UCI on PUSCH With Or,
To PUCCH format X channel, configure new parameterWithOr,
To PUCCH format X channel, configuration parameterAnd it is applied to only send out HARQ-ACK, only send out RI and send HARQ-simultaneously The situation of ACK and RI；Or,
To a kind of UCI information, for different PUCCH channel formats, it is respectively configured different parametersControl transmission The RE number that UCI information takies.
10. the method determining the ascending physical signal Resource Block for uplink, it is characterised in that including:
User equipment (UE) determines the ascending physical signal Resource Block PRB money taken according to the up channel being assigned in present sub-frame Source；
Uplink information in present sub-frame is mapped to the PUSCH channel corresponding to described up PRB resource by UE.
11. methods according to claim 10, it is characterised in that:
If the uplink information in described present sub-frame includes HARQ-ACK information and P-CSI, and HARQ-ACK information and P- CSI is respectively allocated the PRB resource of PUCCH format X of correspondence, and it is right that the uplink information in present sub-frame is mapped to by the most described UE Described in Ying Yu, the PUSCH channel of up PRB resource includes:
A channel HARQ-ACK information in above-mentioned two PUCCH format X channel and P-CSI；
Or, the PRB resource of above-mentioned two PUCCH format X channel sends described HARQ-ACK information and P-CSI.
12. methods according to claim 10, it is characterised in that:
If the uplink information in described present sub-frame includes ascending control information UCI and upstream data, and described UCI distribution Having the PRB channel of PUCCH format X of correspondence, described upstream data is assigned the PRB resource of the PUSCH channel of correspondence, then described Uplink information in present sub-frame is mapped to the PUSCH channel corresponding to described up PRB resource and includes by UE:
The PRB utilizing PRB Yu PUSCH of a PUCCH format X channel transmits described UCI and upstream data；
Or, utilize UCI described in the PRB resource of two PUCCH format X channel and the PRB resource transmission of PUSCH and up simultaneously Data；
Wherein, the number of the described up PRB for transmitting UCI and upstream data is the power of 2,3 and/or 5, and its number of clusters is less than setting Fixed thresholding.
13. 1 kinds of methods determining uplink, it is characterised in that including:
User equipment (UE) determines the ascending resource taken according to the up channel being assigned in present sub-frame；
UE is according to the PRB number of above-mentioned ascending resource and needs to feed back UCI information and determines uplink power.
14. methods according to claim 13, it is characterised in that:
Described PRB number is the PRB number of the PUSCH of distribution；Or,
Described PRB number is the PRB number sum of PUCCH format X of the PRB number of PUSCH of distribution and distribution.
15. methods according to claim 13, it is characterised in that:
Uplink power control formula based on PUSCH, power excursionPlace Reason method includes:
When there is upstream data, C is the number of the CB that a TB divides, KrIt is The bit number of r CB；Or,
When triggering A-CSI but there is no upstream data, process power control, BPRE=according to the bit number of the CQI/PMI of A-CSI OCQI/NRE, andOCQIIt it is the bit number to the CQI/PMI that A-CSI calculates equal to 1 according to RI；Or,
When triggering A-CSI but there is no upstream data, process power control, BPRE=O according to total bit number of UCIUCI/NRE, and AndIt is arranged with a kind of UCI typeValue, total bit number O of UCIUCI；
Wherein, NREIt it is the RE number for uplink.
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