CN102215577A - Resource allocation method and system of return-link uplink control channel - Google Patents

Abstract

The invention discloses a resource allocation method and a system of a return-link uplink control channel, wherein the method includes the following steps that: a base station allocates resources of a return-link physical uplink control channel R-PUCCH for a relay station; the base station indicates the allocated resources to the relay station through resource configuration parameters; the relay station uses the resources indicated by the resource configuration parameters to carry the uplink control information and send the information to the base station. According to the invention, the base station configures and indicates the R-PUCCH resource to the relay station through relevant parameters; the relay station obtains the R-PUCCH resource based on the configured parameters and sends the uplink control information carried by the configured resource to the base station.

Description

The resource allocation methods of back haul link ascending control channel and system

Technical field

The present invention relates to the communications field, in particular to the method and system of the resource allocation of the ascending control channel of a kind of back haul link (BackhaulLink).

Background technology

Relaying (Relay) technology has caused attention more and more widely as a kind of emerging technology, is regarded as the key technology of B3G/4G.Because following radio communication or cellular system require to improve the network coverage, support the higher rate transmission, this has proposed new challenge to wireless communication technology.Simultaneously, the cost issues of system building and maintenance is more outstanding.Along with the increase of transmission rate and communication distance, it is outstanding that the energy consumption issues of battery also becomes, and following radio communication will adopt higher frequency, and the pathloss attenuation that causes thus is more serious.By relaying technique, traditional one hop link can be divided into a plurality of multi-hop links, because distance shortens, this will greatly reduce path loss, help to improve transmission quality, enlarge communication range, thereby provide quicker better service for the user.

Introducing relay station (Relay Node, RN) in the network, as shown in Figure 1, evolved base station in the network (eNB) and macrocell user (Macro User Equipment, M-UE) link between is called the link that direct transfers (Direct Link), link between eNB and RN is called back haul link (Backhaul Link), and (Relay User Equipment, R-UE) link between is called access link (Access Link) for RN and relay domain user.

In the LTE system, 1 subframe is 1ms, is divided into 2 time slots of 0.5ms, and ascending resource is divided for unit with RB (Resource Block, Resource Block), and it is 1 time slot that RB is defined as on time-domain, comprises continuous N _Symb ^ULIndividual SC-FDM symbol, wherein, when the frame structure of system adopt general cyclic prefix (Normal Cyclic Prefix, in the time of NormalCP),

When the frame structure of system adopts extended cyclic prefix (Extended CyclicPrefix, Extended CP), On frequency domain continuous N _Sc ^RBIndividual subcarrier, With RB is unit, can use RB call number n to the distribution of ascending resource _PRBIndicate, wherein, N _RB ^ULThe RB quantity that comprises for the up-link bandwidth.

On the link that direct transfers of LTE system, the ascending physical signal control channel PUCCH of M-UE (Physical Uplink Control Channel) but go up loaded information and have: dispatch request SR (Scheduling request), the HARQ feedback information, be that M-UE carries out the ACK/NACK feedback to the Data Receiving situation of the descending transmission of eNB, and channel quality reporting, comprise CQI/PMI/RI (Channel Quality Indicator/Precoding MatrixIndicator/Rank Indication).M-UE adopts corresponding ascending control channel form to launch according to the different situations of reporting information, is respectively PUCCH format 1/1a/1b and PUCCH format 2/2a/2b.

The inventor finds that relevant Relay technology is not the ascending control channel Resources allocation of back haul link, therefore can't use back haul link carrying ascending control information.

Summary of the invention

Main purpose of the present invention is to provide a kind of resource allocation methods and system of back haul link ascending control channel, to address the above problem at least.

According to an aspect of the present invention, provide a kind of resource allocation methods of back haul link ascending control channel, may further comprise the steps: the base station is the resource that relay station distributes back haul link Physical Uplink Control Channel R-PUCCH; Indicate the resource of distributing to relay station by the resource distribution parameter base station; And the indicated resource bearing ascending control information of relay station use resource distribution parameter, and send to the base station.

Further, the base station is by one in the following resource distribution parameter or multinomial the resource of distributing is indicated to relay station: n _R-PUCCH, the resource index of R-PUCCH number; N _R-PUCCH, the relative resource index of R-PUCCH number; N _R-PUCCH ^Init, the resource initial position of R-PUCCH; Δ _Shift ^R-PUCCH, ascending control information is at the frequency domain expansion index interval of described back haul link processing; Ascending control information comprises one of following information at least: affirmation/non-affirmation ACK/NACK information, dispatch request SR information, channel quality reporting CQI/PMI/RI information.

Further, relay station adopts R-PUCCH form one or R-PUCCH form two carrying ascending control informations; Wherein, R-PUCCH form one is used for carrying affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information; R-PUCCH form two is used for Bearer Channel quality report CQI/PMI/RI information, or is used to carry CQI/PMI/RI and ACK/NACK information; Base station by following resource distribution parameter one the or multinomial resource of distributing is indicated to relay station: N _R-PUCCH ⁽¹⁾, the relative resource index of R-PUCCH form No.; n _R-PUCCH ⁽¹⁾, the resource index of R-PUCCH form No.; n _R-PUCCH ⁽²⁾, the resource index of R-PUCCH form No. two; N _R-RB ⁽²⁾, the RB that R-PUCCH form two channels use is to quantity; N _R-PUCCH ^Init, R-PUCCH resource initial position; Δ _Shift ^R-PUCCH, ascending control information is at the frequency domain expansion index interval of back haul link processing; N _RB ⁽²⁾, the RB logarithm that PUCCH form 2/2a/2b uses; N _Cs ⁽¹⁾, PUCCH form 1/1a/1b carries the frequency domain expansion index quantity of using among the mixing RB of PUCCH form 1/1a/1b and PUCCH form 2/2a/2b at the same time; Δ _Shift ^PUCCH, the interval of PUCCH form 1/1a/1b frequency domain expansion index; The base station to the resource distribution of R-PUCCH form one at least with N _R-PUCCH ⁽¹⁾Or n _R-PUCCH ⁽¹⁾Indicate, to the resource distribution of R-PUCCH form two at least with n _R-PUCCH ⁽²⁾Indicate; Relay station uses the indicated resource bearing ascending control information of resource distribution parameter to comprise: relay station uses the indicated resource bearing ascending control information of corresponding resource distribution parameter according to the definite R-PUCCH form that uses of ascending control information type to be reported.

According to a further aspect in the invention, a kind of resource allocation system of back haul link ascending control channel is provided, comprise base station and relay station, the base station comprises: resource distribution module is used to relay station to distribute the resource of back haul link Physical Uplink Control Channel R-PUCCH; The resource indicating module is used for by the resource distribution parameter resource of distributing being indicated to relay station; Relay station is used to the resource bearing ascending control information that uses the resource distribution parameter indicated, and sends to the base station.

By the present invention, adopt the base station to send the resource distribution parameter and indicate the R-PUCCH resource of being distributed to relay station, make relay station can determine the resource of R-PUCCH according to this resource distribution parameter, and ascending control information is carried on this resource, realized that the carrying of back haul link ascending control information sends.

Description of drawings

Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:

Fig. 1 is the junction network structural representation according to correlation technique;

Fig. 2 is the resource allocation methods flow chart of the back haul link ascending control channel that provides of the embodiment of the invention;

Fig. 3 is example one a R-PUCCH resource allocation schematic diagram of the present invention;

Fig. 4 is example two R-PUCCH resource allocation schematic diagrames of the present invention;

Fig. 5 is example three R-PUCCH resource allocation schematic diagrames of the present invention;

Fig. 6 is example four R-PUCCH resource allocation schematic diagrames of the present invention;

Fig. 7 is example five R-PUCCH resource allocation schematic diagrames of the present invention;

Fig. 8 is example six R-PUCCH resource allocation schematic diagrames of the present invention;

Fig. 9 is example seven R-PUCCH resource allocation schematic diagrames of the present invention; And

Figure 10 is the resource allocation system block diagram of the back haul link ascending control channel that provides of the embodiment of the invention four.

Embodiment

Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.

Back haul link in the embodiment of the invention refers to the link between base station and relay station, referring to Fig. 2, and the resource allocation methods flow chart of the back haul link ascending control channel that provides for present embodiment, this method may further comprise the steps:

Step 202: the base station is the resource that relay station distributes back haul link Physical Uplink Control Channel R-PUCCH;

Step 204: indicate the resource of distributing to relay station by the resource distribution parameter base station;

Step 206: relay station uses the indicated resource bearing ascending control information of resource distribution parameter, and sends to above-mentioned base station.

Adopt the base station to send the resource distribution parameter and indicate the resource of distributing to R-PUCCH to relay station, make relay station can determine the resource of R-PUCCH according to this resource distribution parameter, and ascending control information is carried on this resource, realized that the carrying of back haul link ascending control information sends.

Preferably, the R-PUCCH resource that the base station can adopt uniform way indication to distribute, in this case, the base station can or multinomially be indicated the resource of distributing to relay station by one in the following resource distribution parameter:

n _R-PUCCH, the resource index of R-PUCCH number;

N _R-PUCCH, the relative resource index of R-PUCCH number;

N _R-PUCCH ^Init, the resource initial position of R-PUCCH;

Δ _Shift ^R-PUCCH, ascending control information is at the frequency domain expansion index interval of back haul link processing.

Ascending control information comprises one of following information at least: affirmation/non-affirmation ACK/NACK information, dispatch request SR information, channel quality reporting CQI/PMI/RI information.

Relay station can adopt different forms to carry above-mentioned ascending control information, for example adopts R-PUCCH form one or R-PUCCH form two carrying ascending control informations; Wherein, R-PUCCH form one is used for carrying affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information; R-PUCCH form two is used for Bearer Channel quality report CQI/PMI/RI information, or is used to carry CQI/PMI/RI and ACK/NACK information; Base station by following resource distribution parameter one the or multinomial resource of distributing is indicated to relay station:

N _R-PUCCH ⁽¹⁾, the relative resource index of R-PUCCH form No.;

n _R-PUCCH ⁽¹⁾, the resource index of R-PUCCH form No.;

n _R-PUCCH ⁽²⁾, the resource index of R-PUCCH form No. two;

N _R-RB ⁽²⁾, the RB that R-PUCCH form two channels use is to quantity;

N _R-PUCCH ^Init, R-PUCCH resource initial position;

Δ _Shift ^R-PUCCH, ascending control information is at the frequency domain expansion index interval of described back haul link processing;

N _RB ⁽²⁾, the RB logarithm that PUCCH form 2/2a/2b uses;

N _Cs ⁽¹⁾, PUCCH form 1/1a/1b carries the frequency domain expansion index quantity of using among the mixing RB of PUCCH form 1/1a/1b and PUCCH form 2/2a/2b at the same time;

Δ _Shift ^PUCCH, the interval of PUCCH form 1/1a/1b frequency domain expansion index;

The base station to the resource distribution of R-PUCCH form one at least with N _R-PUCCH ⁽¹⁾Or n _R-PUCCH ⁽¹⁾Indicate, to the resource distribution of R-PUCCH form two at least with n _R-PUCCH ⁽²⁾Indicate;

Relay station uses the indicated resource bearing ascending control information of resource distribution parameter to comprise: relay station uses the indicated resource bearing ascending control information of corresponding resource distribution parameter according to the definite R-PUCCH form that uses of ascending control information type to be reported.

Preferably, the base station is that relay station distributes the resource of R-PUCCH to comprise: to being that unit is the resource that relay station distributes R-PUCCH, two time slots of sub-frame of uplink take a RB respectively with Resource Block RB in the base station; Preferably, the base station RB that distributes to relay station in a subframe is to for one or more pairs of.

Preferably, above-mentioned ascending control information comprises ascending control information relevant with back haul link and/or the ascending control information relevant with access link.

The resource of the eNB configuration indication R-PUCCH that RN distributed is for RN divides the RB that is used in the carrying ascending control information right.Wherein, the R-PUCCH channel can carry dispatch request SR information, when affirmation/non-affirmation ACK/NACK information, ascending control informations such as channel quality reporting CQI/PMI/RI, eNB are RN distribution R-PUCCH resource, no matter ascending control information is SR, ACK/NACK, among the CQI/PMI/RI which all can be unified indication to RN, promptly indicate, distribute one or more RB being used to carry ascending control information with predefined sign; The content of the ascending control information that eNB also can need report according to RN is carried out the distribution of R-PUCCH resource respectively.Providing embodiment respectively with regard to both of these case below further specifies.

Embodiment one

The eNB of present embodiment is to the unified configuration indication of R-PUCCH resource, for the resource that R-PUCCH distributes is used non-PUCCH resource, detailed process is: eNB disposes the resource distribution parameter of indication RN about R-PUCCH, and configuration uses the link PUCCH resource in addition that direct transfers for the resource of R-PUCCH.A RB to being the distribution that unit carries out resource, on two time slots (slot) of subframe, is distributed with RB in the base station in the present embodiment on each time slot, and RB is to frequency hopping or non-frequency hopping between time slot.

ENB in the present embodiment can be close to the link PUCCH resource location that direct transfers by the resource location that configuration is used for R-PUCCH on frequency domain.

During the corresponding R-PUCCH resource distribution of eNB configuration indication RN parameter, this resource distribution parameter can be by eNB by high-level signaling configuration indication RN, perhaps indicate RN by the back haul link Downlink Control Information, perhaps indicate RN by high-level signaling in conjunction with Downlink Control Information by eNB by eNB.

Base station in the present embodiment adopts uniform way to send the resource distribution parameter to relay station, make relay station can determine the resource of R-PUCCH according to this resource distribution parameter, and ascending control information is carried on this resource, realized that the carrying of back haul link ascending control information sends.

Be elaborated below by example one and example two and be the R-PUCCH method of allocating resources.

Example one

This example provides a kind of resource allocation methods of back haul link ascending control channel, and the eNB in this method is by the corresponding R-PUCCH resource index of high-level signaling configuration indication RN n _R-PUCCHAnd parameter N _R-PUCCH ^Init, wherein, N _R-PUCCH ^InitThe right initial position of physical resource RB of expression R-PUCCH, this example is with resource call number n _R-PUCCH=7 Hes

For example describes;

When RN was indicated in the eNB configuration at subframe n reporting uplink control information, RN was according to the resource index n of eNB indication _R-PUCCHAnd parameter N _R-PUCCH ^InitThe right position of physical resource RB of the R-PUCCH that acquisition is distributed;

RN is according to the resource index n of eNB indication in this example _R-PUCCH=7 Hes

The right position of physical resource RB of the R-PUCCH that acquisition is distributed, detailed process is as follows:

According to n _R-PUCCHCan further obtain the R-PUCCH channel corresponding physical resource index m that distributed:

Further, obtain RB to call number n according to m _PRB:

Promptly

Wherein, N _RB ^ULThe RB quantity that comprises for the up-link bandwidth;

n _sBe the time-gap number in the radio frames, n _s=[0,19].

RN is carried on this RB to last according to the right position of physical resource RB of the R-PUCCH that obtains with ascending control information to be reported, sends to eNB; As shown in Figure 3, in this example, on eNB disposes resource to R-PUCCH, promptly at the n of the 1st time slot of subframe n _PRBOn the=5,2nd time slot

RB to last, RN is carried on above-mentioned RB to last with ascending control information to be reported, sends to eNB.

Base station in the present embodiment is to the resource index n of relay station configuration indication R-PUCCH _R-PUCCHAnd parameter N _R-PUCCH ^Init, make the relay station can be according to the resource index n of R-PUCCH _R-PUCCHAnd parameter N _R-PUCCH ^InitDetermine the right position of R-PUCCH physical resource RB, and ascending control information is carried on this RB to last, realized that the carrying of back haul link ascending control information sends.

Example two

This example provides a kind of resource allocation methods of back haul link ascending control channel, and the eNB in this method is by the relative resource index N of the corresponding R-PUCCH of high-level signaling configuration indication RN _R-PUCCHAnd parameter N _R-PUCCH ^Init, Δ _Shift ^R-PUCCHWherein, Δ _Shift ^R-PUCCHBe the frequency domain expansion index interval of ascending control information in the back haul link processing; Present embodiment is with relative resource index N _R-PUCCH=5,

For example describes;

When RN was indicated in the eNB configuration at subframe n reporting uplink control information, RN was according to the N of eNB indication _R-PUCCHAnd parameter N _R-PUCCH ^Init, Δ _Shift ^R-PUCCH, and first control information unit (Control Channel Element, CCE) the sequence number n at back haul link Downlink Control Information place _CCE ^R, obtain the right position of being distributed of R-PUCCH resource RB;

Wherein, n _CCE ^RBe first CCE sequence number at the back haul link Downlink Control Information place of indicating the transmission of this ascending control information corresponding downlink data to be reported, CCE is used for the bearing downlink control information, and every Downlink Control Information can be by one or more CCE carryings; Present embodiment with For example describes;

The concrete computational process of the position that the physical resource RB of R-PUCCH is right is as follows: according to N _R-PUCCHAnd n _CCE ^RCan further obtain the resource index n of the R-PUCCH channel that distributed _R-PUCCH:

$n_{R-\mathrm{PUCCH}}=n_{\mathrm{CCE}}^R+N_{R-\mathrm{PUCCH}}=17$

Further obtain the physical resource call number m of R-PUCCH:

Wherein,

This example is set up departments to unite and is adopted general cyclic prefix.

Further, obtain RB to call number n according to m _PRB:

Promptly

RN is carried on this RB to last according to the right position of physical resource RB of the R-PUCCH that obtains with ascending control information to be reported, sends to eNB; As shown in Figure 4, on eNB disposes resource to R-PUCCH, promptly at the 1st time slot of subframe n

N on the 2nd time slot _PRB=7 RB is to last, and RN is carried on above-mentioned RB to last with ascending control information to be reported, sends to eNB.

Base station in this example is to the relative resource index N of relay station configuration indication R-PUCCH _R-PUCCHAnd parameter N _R-PUCCH ^Init, Δ _Shift ^R-PUCCH, make relay station determine the right position of R-PUCCH resource RB, and ascending control information is carried on this RB to last according to these parameters, realized that the carrying of back haul link ascending control information sends.

Embodiment two

ENB in the present embodiment is configured indication according to the content and the corresponding different R-PUCCH channel formats of the ascending control information that RN need report respectively to resource, for the resource that R-PUCCH distributes is used PUCCH part resource; Detailed process is: eNB configuration indication RN is about the resource distribution parameter of R-PUCCH, and the resource of R-PUCCH and the resource-sharing of the link PUCCH that direct transfers are given in configuration, present embodiment with RB to being the distribution that unit carries out resource.On two time slots of subframe, distribute a RB on each time slot, RB to RB between time slot to frequency hopping.

When the corresponding R-PUCCH resource distribution of RN parameter is indicated in the eNB configuration in the present embodiment, the resource distribution parameter can be by eNB by high-level signaling configuration indication RN, perhaps indicate RN by the back haul link Downlink Control Information, perhaps indicate RN by high-level signaling in conjunction with Downlink Control Information by eNB by eNB.

When the ascending control information that need report as RN comprises different content, can adopt different R-PUCCH forms to handle.As, ACK/NACK and/or SR information are handled mapping with R-PUCCH form one, CQI/PMI/RI, or CQI/PMI/RI and ACK/NACK information are handled mapping with R-PUCCH form two.

ENB is RN when distributing the R-PUCCH resource, resource distribution that will be relevant with R-PUCCH form one and the resource-sharing of PUCCH form 1/1a/1b, resource distribution that will be relevant with R-PUCCH form two and the resource-sharing of PUCCH form 2/2a/2b.ENB can distribute the resource of R-PUCCH form one and R-PUCCH form two for RN in same subframe.Respectively above-mentioned situation is described with example three and four below.

Base station in this example is configured indication according to the content and the corresponding different R-PUCCH forms of RN ascending control information to be reported respectively to resource, make relay station determine the R-PUCCH resource according to the information of indication, and ascending control information is carried on this resource, realized that the carrying of back haul link ascending control information sends.

Example three

This example provides a kind of resource allocation methods of back haul link ascending control channel, and the eNB in this method is by the high-level signaling configuration indication RN parameter N relevant with the PUCCH resource allocation _RB ⁽²⁾, N _Cs ⁽¹⁾, Δ _Shift ^PUCCH, and the relative resource index N of corresponding R-PUCCH form one _R-PUCCH ⁽¹⁾Present embodiment with

For example describes;

When RN was indicated in the eNB configuration at subframe n reporting uplink control information, RN was according to the N of eNB indication _RB ⁽²⁾, N _Cs ⁽¹⁾, Δ _Shift ^PUCCHAnd N _R-PUCCH ⁽¹⁾, and first control information unit CCE sequence number n at back haul link Downlink Control Information place _CCE ^R, the right position of physical resource RB of R-PUCCH form one correspondence that acquisition is distributed; Present embodiment is with first control information unit number at back haul link Downlink Control Information place

For example describes;

The position location computation that the physical resource RB of R-PUCCH form one correspondence is right is as follows:

According to N _R-PUCCH ⁽¹⁾And n _CCE ^RCan further obtain the resource index n of the R-PUCCH form one that distributed _R-PUCCH ⁽¹⁾:

$n_{R-\mathrm{PUCCH}}^{\left(1\right)}=n_{\mathrm{CCE}}^R+N_{R-\mathrm{PUCCH}}^{\left(1\right)}=33$

Further obtain the physical resource call number m of R-PUCCH form one correspondence:

That is m=9,

Wherein,

This example is set up departments to unite and is adopted general cyclic prefix.

Further, obtain RB to call number n according to m _PRB:

Promptly

RN is carried on this RB to last according to the right position of physical resource RB of the R-PUCCH that obtains with ascending control information to be reported, sends to eNB; Shown in 5, on eNB disposes resource to R-PUCCH form one, promptly at the 1st time slot of subframe n

N on the 2nd time slot _PRB=4 RB is to last, and RN handles ACK/NACK information to be reported with R-PUCCH form one, is carried on above-mentioned RB to sending to eNB.

Base station in this example is to relay station configuration indication N _RB ⁽²⁾, N _Cs ⁽¹⁾, Δ _Shift ^PUCCHAnd N _R-PUCCH ⁽¹⁾, make relay station can determine the right position of physical resource RB of R-PUCCH, and ascending control information is carried on this RB to last according to these parameters, realized that the carrying of back haul link ascending control information sends.

Example four

This example provides a kind of resource allocation methods of back haul link ascending control channel, and the eNB in this method is by the high-level signaling configuration indication RN parameter N relevant with the PUCCH resource allocation _RB ⁽²⁾, N _Cs ⁽¹⁾, Δ _Shift ^PUCCH, and the relative resource index N of corresponding R-PUCCH form one _R-PUCCH ⁽¹⁾Resource index n with R-PUCCH form two _R-PUCCH ⁽²⁾This example with

For example describes;

Indicate RN when subframe n reports ACK/NACK and CQI information when the eNB configuration, RN is according to the N of eNB indication _RB ⁽²⁾, N _Cs ⁽¹⁾, Δ _Shift ^PUCCH, N _R-PUCCH ⁽¹⁾And n _R-PUCCH ⁽²⁾, and first control information unit CCE sequence number n at back haul link Downlink Control Information place _CCE ^R, obtain R-PUCCH form one and the right position of R-PUCCH form two corresponding physical resource RB distributed respectively.This example is with first control information unit CCE sequence number at back haul link Downlink Control Information place For example describes;

R-PUCCH form one is used for loading ACK/nack message, for the right position of RB that it distributed obtains according to following method:

At first, according to N _R-PUCCH ⁽¹⁾And n _CCE ^RCan further obtain the resource index n of R-PUCCH form one channel that distributed _R-PUCCH ⁽¹⁾:

$n_{R-\mathrm{PUCCH}}^{\left(1\right)}=n_{\mathrm{CCE}}^R+N_{R-\mathrm{PUCCH}}^{\left(1\right)}=20$

Further obtain the physical resource call number m of R-PUCCH form one correspondence:

That is,

m＝5

Wherein,

This example is set up departments to unite and is adopted general cyclic prefix.

Further, obtain RB to call number n according to m _PRB:

Promptly

R-PUCCH form two is used to carry CQI information, for the right position of RB that it distributed obtains according to following method:

According to n _R-PUCCH ⁽²⁾Can further obtain the corresponding physical resource index m of the R-PUCCH form two that distributed:

Further, obtain RB to call number n according to m _PRB:

Promptly

RN is carried on this RB to last according to the right position of physical resource RB of the R-PUCCH that obtains with ascending control information to be reported, sends to eNB; Shown in 6, on eNB disposes resource to R-PUCCH form one correspondence, promptly at the 1st time slot of subframe n

N on the 2nd time slot _PRB=2 RB is to last, and RN handles ACK/NACK information to be reported with R-PUCCH form one, and it is right to be carried on above-mentioned RB.Simultaneously, on eNB disposes resource to R-PUCCH form two correspondences, promptly at the 1st time slot of subframe n

N on the 2nd time slot _PRB=0 RB is to last, and RN handles CQI information to be reported with R-PUCCH form two, is carried on above-mentioned RB to last.RN sends to eNB on to resource on the subframe n ACK/NACK information and CQI information being carried on the RB that distributed respectively.

Base station in this example is to relay station configuration indication N _RB ⁽²⁾, N _Cs ⁽¹⁾, Δ _Shift ^PUCCH, N _R-PUCCH ⁽¹⁾And n _R-PUCCH ⁽²⁾, make relay station can determine the right position of physical resource RB of R-PUCCH, and ascending control information is carried on corresponding RB to last according to these parameters, realized that the carrying of back haul link ascending control information sends.

Embodiment three

The content of the ascending control information that the eNB of present embodiment need report according to RN and corresponding different R-PUCCH channel formats are configured indication respectively to resource, and the resource of distributing for R-PUCCH is used the resource outside the link PUCCH that direct transfers; Detailed process is: eNB configuration indication RN is about the resource distribution parameter of R-PUCCH, and configuration uses resource beyond the link PUCCH that direct transfers for the resource of R-PUCCH, with RB to being the distribution that unit carries out resource.On two time slots of subframe, distribute a RB on each time slot, RB is to frequency hopping or non-frequency hopping between time slot.

During the corresponding R-PUCCH resource distribution of present embodiment eNB configuration indication RN parameter, the resource distribution parameter can be by eNB by high-level signaling configuration indication RN, perhaps indicate RN by the back haul link Downlink Control Information, perhaps indicate RN by high-level signaling in conjunction with Downlink Control Information by eNB by eNB.

When the ascending control information that need report as RN comprises different content, can adopt different R-PUCCH forms to handle.As, ACK/NACK and/or SR information are handled mapping with R-PUCCH form one, and CQI/PMI/RI and/or ACK/NACK information are handled mapping with R-PUCCH form two.ENB is RN when distributing the R-PUCCH resource, and the relevant resource of R-PUCCH form one and R-PUCCH form two relevant resources are used the part resource outside the link PUCCH that direct transfers respectively.ENB can distribute R-PUCCH form one and R-PUCCH form two resources for RN in same subframe.Describe with example five to seven respectively below.

Base station in the present embodiment is configured indication according to the content and the corresponding R-PUCCH channel format of RN ascending control information to be reported respectively to resource, make relay station determine the R-PUCCH resource according to the information of indication, and ascending control information is carried on this resource, realized that the carrying of back haul link ascending control information sends.

Example five

This example provides a kind of resource allocation methods of back haul link ascending control channel, and the eNB in this method is by the corresponding R-PUCCH form two resource index n of high-level signaling configuration indication RN _R-PUCCH ⁽²⁾And parameter N _R-PUCCH ^Init, wherein, N _R-PUCCH ^InitThe right initial position of expression RB that R-PUCCH distributes; In this example

With

When RN was indicated in the eNB configuration at subframe n reporting uplink control information, RN was according to the n of eNB indication _R-PUCCH ⁽²⁾And N _R-PUCCH ^InitThe right position of physical resource RB of the R-PUCCH that acquisition is distributed:

According to n _R-PUCCHCan further obtain the R-PUCCH corresponding physical resource index m that distributed:

Further, obtain RB to call number n according to m _PRB:

Promptly

RN is carried on this RB to last according to the right position of physical resource RB of the R-PUCCH that obtains with ascending control information to be reported, sends to eNB; As shown in Figure 7, on eNB disposes resource to R-PUCCH, promptly at the 1st time slot of subframe n

N on the 2nd time slot _PRB=4 RB is to last, RN with CQI/PMI information-bearing to be reported in above-mentioned RB to last, send to eNB.

ENB in this example is to RN configuration indication n _R-PUCCH ⁽²⁾And parameter N _R-PUCCH ^Init, make the RN can be according to n _R-PUCCH ⁽²⁾And N _R-PUCCH ^InitDetermine the right position of R-PUCCH resource RB, and with the CQI/PMI information-bearing in this RB on send to eNB, realized that the carrying of back haul link ascending control information sends.

Example six

This example provides a kind of resource allocation methods of back haul link ascending control channel, and the eNB in this method is by high-level signaling configuration indication RN parameter N _R-RB ⁽²⁾, N _R-PUCCH ^Init, Δ _Shift ^R-PUCCH1, and the resource index n of the R-PUCCH form one that distributes _R-PUCCH ⁽¹⁾Resource index n with R-PUCCH form two _R-PUCCH ⁽²⁾, N wherein _R-RB ⁽²⁾The RB that uses for R-PUCCH form two channels is to quantity, Δ _Shift ^R-PUCCHBe the frequency domain expansion index interval of ascending control information in the back haul link processing; In this example

Indicate RN when subframe n reports ACK/NACK and CQI/PMI information when the eNB configuration, RN disposes according to eNB

Obtain the R-PUCCH form one distributed and the right position of resource RB of R-PUCCH form two respectively;

R-PUCCH form one is used for loading ACK/nack message, for the right position of RB that it distributed obtains according to following method:

The physical resource call number m of R-PUCCH form one correspondence:

Wherein,

This example is set up departments to unite and is adopted general cyclic prefix.

Further, obtain RB to call number n according to m _PRB:

Promptly

R-PUCCH form two is used to carry CQI/PMI information, for the right position of RB that it distributed obtains according to following method:

According to n _R-PUCCH ⁽²⁾Can further obtain the R-PUCCH form two corresponding physical resource index m that distributed:

Further, obtain RB to call number n according to m _PRB:

Promptly

RN is carried on this RB to last according to the right position of physical resource RB of the R-PUCCH that obtains with ascending control information to be reported, sends to eNB; Shown in 8, on eNB disposes resource to R-PUCCH form one, promptly at the 1st the time slot time slot of subframe n

N on the 2nd time slot _PRB=5 RB is to last, and RN handles ACK/NACK information to be reported with R-PUCCH form one, and it is right to be carried on above-mentioned RB.Simultaneously, on eNB disposes resource to R-PUCCH form two, promptly at the n of the 1st time slot of subframe n _PRBOn the=3,2nd time slot

RB to last, RN handles CQI/PMI information to be reported with R-PUCCH form two, be carried on above-mentioned RB to last.RN sends to eNB on to resource on the subframe n ACK/NACK information and CQI/PMI information being carried on the RB that distributed respectively.

ENB in this example is to RN configuration indication N _R-RB ⁽²⁾, N _R-PUCCH ^Init, Δ _Shift ^R-PUCCH, n _R-PUCCH ⁽¹⁾And n _R-PUCCH ⁽²⁾, make RN determine the right position of R-PUCCH resource RB according to these parameters, and with ascending control information be carried on corresponding RB on send to eNB, realized that the carrying of back haul link ascending control information sends.

Example seven

This example provides a kind of resource allocation methods of back haul link ascending control channel, and the eNB in this method is by high-level signaling configuration indication RN parameter N _R-RB ⁽²⁾, N _R-PUCCH ^Init, Δ _Shift ^R-PUCCH, and the relative resource index N of the R-PUCCH form one that distributes _R-PUCCH ⁽¹⁾, N wherein _R-RB ⁽²⁾The RB that uses for R-PUCCH form two channels is to quantity, Δ _Shift ^R-PUCCHBe the frequency domain expansion index interval of ascending control information in the back haul link processing; In this example

$N_{R-\mathrm{RB}}^{\left(2\right)}=4,$ ${\mathrm{\Δ}}_{\mathrm{shift}}^{R-\mathrm{PUCCH}}=3,$ $N_{R-\mathrm{PUCCH}}^{\left(1\right)}=15;$

Indicate RN when subframe n reports ACK/NACK information when the eNB configuration, RN is according to the N of eNB configuration _R-RB ⁽²⁾, N _R-PUCCH ^Init, Δ _Shift ^R-PUCCH, N _R-PUCCH ⁽¹⁾, and first control information unit CCE sequence number n at back haul link Downlink Control Information place _CCE ^R, the right position of physical resource RB of the R-PUCCH form one that acquisition is distributed is in this example

R-PUCCH form one is used for loading ACK/nack message, for the right position of RB that it distributed obtains according to following method:

At first, according to N _R-PUCCH ⁽¹⁾And n _CCE ^RCan further obtain the resource index n of the channel of the R-PUCCH form one that distributed _R-PUCCH ⁽¹⁾:

$n_{R-\mathrm{PUCCH}}^{\left(1\right)}=n_{\mathrm{CCE}}^R+N_{R-\mathrm{PUCCH}}^{\left(1\right)}=24$

The physical resource call number m of R-PUCCH form one correspondence:

Wherein,

This example is set up departments to unite and is adopted general cyclic prefix.

Further, obtain RB to call number n according to m _PRB, here for the RB of R-PUCCH configuration to frequency hopping not between time slot:

Promptly

n _PRB=6 on two time slots

RN is carried on this RB to last according to the right position of physical resource RB of the R-PUCCH that obtains with ascending control information to be reported, sends to eNB; As shown in Figure 9, on eNB disposed resource to R-PUCCH, promptly 2 time slots at subframe n all used n _PRB=6 RB is to last, RN with ACK/NACK information-bearing to be reported in above-mentioned RB to last, send to eNB.

ENB in this example is to RN configuration indication N _R-RB ⁽²⁾, N _R-PUCCH ^Init, Δ _Shift ^R-PUCCH, N _R-PUCCH ⁽¹⁾, make RN determine the right position of R-PUCCH resource RB according to these parameters, and with ACK/NACK be carried on this RB on send to eNB, realized that the carrying of back haul link ascending control information sends.

Embodiment four

Present embodiment provides a kind of resource allocation system of back haul link ascending control channel, and referring to Figure 10, this system comprises base station 1702 and relay station 1704, and wherein, base station 1702 comprises resource distribution module 1712 and resource indicating module 1722; Its function is as follows:

Resource distribution module 1712, the resource that is used to relay station 1704 to distribute back haul link Physical Uplink Control Channel R-PUCCH; Resource indicating module 1722 is used for by the resource distribution parameter resource of distributing being indicated to relay station 1704;

Relay station 1704 is used to the resource bearing ascending control information that uses the resource distribution parameter indicated, and sends to base station 1702.

Base station 1702 in the present embodiment and relay station 1704 can be carried out the step of each example correspondence among the said method embodiment, no longer describe in detail here.

Preferably, base station 1702 comprises: the first resource indicating module is used for by following resource distribution parameter one or multinomial the resource of distributing is indicated to relay station 1704:

n _R-PUCCH, the resource index of R-PUCCH number;

N _R-PUCCH, the relative resource index of R-PUCCH number;

N _R-PUCCH ^Init, the resource initial position of R-PUCCH;

Δ _Shift ^R-PUCCH, ascending control information is at the frequency domain expansion index interval of back haul link processing; Ascending control information comprises one of following information at least: affirmation/non-affirmation ACK/NACK information, dispatch request SR information, channel quality reporting CQI/PMI/RI information.

For example: the first resource indicating module is by resource distribution parameter: n _R-PUCCHAnd N _R-PUCCH ^InitThe configuration indication R-PUCCH resource that relay station distributed; In this case, relay station 1704 can comprise: the primary importance determination module is used for according to n _R-PUCCHAnd N _R-PUCCH ^InitThe R-PUCCH corresponding physical resource index m that acquisition is distributed; Determine that according to m the physical resource RB of R-PUCCH is to the position; First sending module, be used for ascending control information be carried on RB to, and send to base station 1702.

Perhaps, the first resource indicating module is by resource distribution parameter: N _R-PUCCH, N _R-PUCCH ^InitAnd Δ _Shift ^R-PUCCHThe R-PUCCH resource that configuration indication relay station 1704 is distributed; In this case, relay station 1704 can comprise: second place determination module is used for according to N _R-PUCCH, N _R-PUCCH ^Init, Δ _Shift ^R-PUCCH, and n _CCE ^R, obtain the R-PUCCH corresponding physical resource index m that is distributed; Wherein, n _CCE ^RFirst control information unit CCE sequence number for back haul link Downlink Control Information place; Determine to distribute to the physical resource RB of R-PUCCH to the position according to m; Second sending module is carried on RB to last with ascending control information, and sends to base station 1702.

Relay station 1704 also can adopt R-PUCCH form one or R-PUCCH form two carrying ascending control informations; Wherein, R-PUCCH form one is used for carrying affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information; R-PUCCH form two is used for Bearer Channel quality report CQI/PMI/RI information, or is used to carry CQI/PMI/RI and ACK/NACK information; At this moment, base station 1702 comprises: the second resource indicating module is used for by following resource distribution parameter one or multinomial the resource of distributing is indicated to relay station 1704:

N _R-PUCCH ⁽¹⁾, the relative resource index of R-PUCCH form No.;

n _R-PUCCH ⁽¹⁾, the resource index of R-PUCCH form No.;

n _R-PUCCH ⁽²⁾, the resource index of R-PUCCH form No. two;

N _R-RB ⁽²⁾, the RB that R-PUCCH form two channels use is to quantity;

N _R-PUCCH ^Init, R-PUCCH resource initial position;

Δ _Shift ^R-PUCCH, ascending control information is at the frequency domain expansion index interval of back haul link processing;

N _RB ⁽²⁾, the RB logarithm that PUCCH form 2/2a/2b uses;

N _Cs ⁽¹⁾, PUCCH form 1/1a/1b carries the frequency domain expansion index quantity of using among the mixing RB of PUCCH form 1/1a/1b and PUCCH form 2/2a/2b at the same time;

Δ _Shift ^PUCCH, the interval of PUCCH form 1/1a/1b frequency domain expansion index;

The resource distribution of the 1702 pairs of R-PUCCH forms one in base station is at least with N _R-PUCCH ⁽¹⁾Or n _R-PUCCH ⁽¹⁾Indicate, to the resource distribution of R-PUCCH form two at least with n _R-PUCCH ⁽²⁾Indicate; Correspondingly, relay station 1702 comprises: the form determination module is used for according to the definite R-PUCCH form that uses of ascending control information type to be reported; Sending module is used to the resource bearing ascending control information that uses corresponding resource distribution parameter indicated, and sends to the base station.

For example: the above-mentioned second resource indicating module is by resource distribution parameter: N _R-PUCCH ⁽¹⁾, N _RB ⁽²⁾, N _Cs ⁽¹⁾And Δ _Shift ^R-PUCCHThe R-PUCCH resource that configuration indication relay station 1704 is distributed; Relay station 1704 can comprise: the 3rd position determination module is used for according to N _R-PUCCH ⁽¹⁾, N _RB ⁽²⁾, N _Cs ⁽¹⁾, Δ _Shift ^R-PUCCH, and n _CCE ^R, obtain the R-PUCCH corresponding physical resource index m that is distributed; Wherein, n _CCE ^RFirst control information unit CCE sequence number for back haul link Downlink Control Information place; Determine to distribute to the physical resource RB of R-PUCCH to the position according to m; The 3rd sending module is used for affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information are handled with R-PUCCH form one, is carried on RB to last, and sends to the base station.

The above-mentioned second resource indicating module also can be by resource distribution parameter: N _R-PUCCH ⁽¹⁾, N _RB ⁽²⁾, N _Cs ⁽¹⁾And Δ _Shift ^PUCCHFor confirming/the non-R-PUCCH resource of confirming that ACK/NACK information and/or the indication of dispatch request SR information configuration are distributed; By resource distribution parameter: n _R-PUCCH ⁽²⁾Indicate the R-PUCCH resource of being distributed for the CQI/PMI/RI information configuration; At this moment, relay station 1704 can comprise: the 4th position determination module is used for according to N _R-PUCCH ⁽¹⁾, N _RB ⁽²⁾, N _Cs ⁽¹⁾, Δ _Shift ^R-PUCCH, and n _CCE ^R, the form one physical resource call number m1 of the R-PUCCH correspondence that acquisition is distributed; Wherein, n _CCE ^RFirst control information unit CCE sequence number for back haul link Downlink Control Information place; Determine to distribute to the form one physical resource RB of R-PUCCH to the position according to m1; According to n _R-PUCCH ⁽²⁾The form two physical resource call number m2 of the R-PUCCH correspondence that acquisition is distributed determine to distribute to the form two physical resource RB of R-PUCCH to the position according to m2; The 4th sending module is used for affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information are handled with R-PUCCH form one, is carried on form one physical resource RB to last, and sends to the base station; Channel quality reporting CQI/PMI/RI information is handled with R-PUCCH form two, be carried on form two physical resource RB to last, and send to the base station.

Perhaps, the above-mentioned second resource indicating module is by resource distribution parameter: n _R-PUCCH ⁽²⁾And N _R-PUCCH ^InitThe R-PUCCH resource that configuration indication relay station 1704 is distributed; Correspondingly, relay station 1704 comprises: the 5th position determination module is used for according to n _R-PUCCH ⁽²⁾And N _R-PUCCH ^InitThe R-PUCCH channel corresponding physical resource index m that acquisition is distributed; Determine to distribute to the physical resource RB of R-PUCCH to the position according to m; The 5th sending module is used for channel quality reporting CQI/PMI/RI is handled with R-PUCCH form two, is carried on RB to last, and sends to base station 1702.

If the above-mentioned second resource indicating module is by resource distribution parameter: n _R-PUCCH ⁽¹⁾, N _R-RB ⁽²⁾, N _R-PUCCH ^InitAnd Δ _Shift ^R-PUCCHFor confirming/the non-R-PUCCH resource of confirming that ACK/NACK information and/or dispatch request SR information configuration indication relay station 1704 are distributed; And by resource distribution parameter: n _R-PUCCH ⁽²⁾, and N _R-PUCCH ^InitIndicate the R-PUCCH resource of being distributed for the CQI/PMI/RI information configuration; Relay station 1704 can comprise: the 6th position determination module is used for according to n _R-PUCCH ⁽¹⁾, N _R-RB ⁽²⁾, N _R-PUCCH ^InitAnd Δ _Shift ^R-PUCCHThe form one physical resource call number m1 of the R-PUCCH correspondence that acquisition is distributed; Determine to distribute to the form one physical resource RB of R-PUCCH to the position according to m1; And according to n _R-PUCCH ⁽²⁾And N _R-PUCCH ^Init, the form two physical resource call number m2 of the R-PUCCH correspondence that acquisition is distributed determine to distribute to the form two physical resource RB of R-PUCCH to the position according to m2; The 6th sending module is used for affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information are handled with R-PUCCH form one, is carried on form one physical resource RB to last, and sends to the base station; And channel quality reporting CQI/PMI/RI information handled with R-PUCCH form two, be carried on form two physical resource RB to last, and send to the base station.

If the above-mentioned second resource indicating module is by resource distribution parameter: N _R-PUCCH ⁽¹⁾, N _R-RB ⁽²⁾, N _R-PUCCH ^InitAnd Δ _Shift ^R-PUCCHThe R-PUCCH resource that configuration indication relay station 1704 is distributed, relay station 1704 also can comprise: the 7th position determination module is used for according to N _R-PUCCH ⁽¹⁾, N _R-RB ⁽²⁾, N _R-PUCCH ^Init, Δ _Shift ^R-PUCCH, and n _CCE ^R, obtain the R-PUCCH channel corresponding physical resource index m that is distributed; Wherein, n _CCE ^RFirst control information unit CCE sequence number for back haul link Downlink Control Information place; Determine to distribute to the physical resource RB of R-PUCCH to the position according to m; The 7th sending module is used for affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information are handled with R-PUCCH form one, is carried on RB to last, and sends to the base station.

Ascending control information in the present embodiment comprises ascending control information relevant with back haul link and/or the ascending control information relevant with access link.

Relay station 1704 is distributed in base station 1702 in a subframe RB is to for one or more pairs of.

A kind of indicate of above-mentioned resource distribution parameter in the following manner: indicate to relay station 1704 by high-level signaling by base station 1702; Indicate to relay station 1704 by the back haul link Downlink Control Information by base station 1702; Indicate to relay station 1704 in conjunction with Downlink Control Information by high-level signaling by base station 1702.

Base station 1702 in the present embodiment sends the resource distribution parameter to relay station 1704, make relay station 1704 determine the R-PUCCH resource according to these parameters, and ascending control information is carried on sends to base station 1702 on this resource, solved the problem that to use back haul link carrying ascending control information, made system obtain optimization.

As can be seen from the above description, the present invention has realized that following technique effect: eNB sends the resource distribution parameter to RN, make RN determine the R-PUCCH resource according to these parameters, and ascending control information is carried on this resource sends to eNB, realized that the carrying of back haul link ascending control information sends.

Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.

The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (23)

1. the resource allocation methods of a back haul link ascending control channel is characterized in that, may further comprise the steps:

The base station is that relay station distributes back haul link Physical Uplink Control Channel R-PUCCH resource;

Indicate the resource of distributing to described relay station by the resource distribution parameter described base station; And

Described relay station uses the indicated resource bearing ascending control information of described resource distribution parameter, and sends to described base station.

2. method according to claim 1 is characterized in that, described base station is by one in the following resource distribution parameter or multinomial the resource of distributing is indicated to described relay station:

n _R-PUCCH, the resource index of R-PUCCH number;

N _R-PUCCH, the relative resource index of R-PUCCH number;

N _R-PUCCH ^Init, the resource initial position of R-PUCCH;

Δ _Shift ^R-PUCCH, ascending control information is at the frequency domain expansion index interval of described back haul link processing;

Described ascending control information comprises one of following information at least: affirmation/non-affirmation ACK/NACK information, dispatch request SR information, channel quality reporting CQI/PMI/RI information.

3. method according to claim 2 is characterized in that, described base station is by the resource distribution parameter: described n _R-PUCCHWith described N _R-PUCCH ^InitThe configuration indication R-PUCCH resource that described relay station distributed, described relay station uses the indicated resource bearing ascending control information of described resource distribution parameter to comprise:

Described relay station is according to described n _R-PUCCHWith described N _R-PUCCH ^InitThe R-PUCCH corresponding physical resource index m that acquisition is distributed;

The physical resource RB that determines described R-PUCCH according to described m is carried on described RB to last with described ascending control information, and sends to described base station the position.

4. method according to claim 2 is characterized in that, described base station is by the resource distribution parameter: described N _R-PUCCH, described N _R-PUCCH ^InitWith described Δ _Shift ^R-PUCCHThe configuration indication R-PUCCH resource that described relay station distributed; Described relay station uses the indicated resource bearing ascending control information of described resource distribution parameter to comprise:

Described relay station is according to described N _R-PUCCH, described N _R-PUCCH ^Init, described Δ _Shift ^R-PUCCH, and n _CCE ^R, obtain the R-PUCCH corresponding physical resource index m that is distributed;

Wherein, n _CCE ^RFirst control information unit CCE sequence number for back haul link Downlink Control Information place;

The physical resource RB that determines to distribute to described R-PUCCH according to described m is carried on RB to last with described ascending control information, and sends to described base station the position.

5. method according to claim 1 is characterized in that, described relay station adopts R-PUCCH form one or R-PUCCH form two carrying ascending control informations; Wherein, described R-PUCCH form one is used for carrying affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information; Described R-PUCCH form two is used for Bearer Channel quality report CQI/PMI/RI information, or is used to carry CQI/PMI/RI and ACK/NACK information; Described base station by following resource distribution parameter one the or multinomial resource of distributing is indicated to described relay station:

N _R-PUCCH ⁽¹⁾, the relative resource index of R-PUCCH form No.;

n _R-PUCCH ⁽¹⁾, the resource index of R-PUCCH form No.;

n _R-PUCCH ⁽²⁾, the resource index of R-PUCCH form No. two;

N _R-RB ⁽²⁾, the RB that R-PUCCH form two channels use is to quantity;

N _R-PUCCH ^Init, R-PUCCH resource initial position;

Δ _Shift ^R-PUCCH, ascending control information is at the frequency domain expansion index interval of described back haul link processing;

N _RB ⁽²⁾, the RB logarithm that PUCCH form 2/2a/2b uses;

N _Cs ⁽¹⁾, PUCCH form 1/1a/1b carries the frequency domain expansion index quantity of using among the mixing RB of PUCCH form 1/1a/1b and PUCCH form 2/2a/2b at the same time;

Δ _Shift ^PUCCH, the interval of PUCCH form 1/1a/1b frequency domain expansion index;

Described base station to the resource distribution of described R-PUCCH form one at least with described N _R-PUCCH ⁽¹⁾Or described n _R-PUCCH ⁽¹⁾Indicate, to the resource distribution of described R-PUCCH form two at least with described n _R-PUCCH ⁽²⁾Indicate;

Described relay station uses the indicated resource bearing ascending control information of described resource distribution parameter to comprise: described relay station uses the indicated described ascending control information of resource bearing of corresponding resource distribution parameter according to the definite R-PUCCH form that uses of ascending control information type to be reported.

6. method according to claim 5 is characterized in that, described base station is by the resource distribution parameter: described N _R-PUCCH ⁽¹⁾, N _RB ⁽²⁾, N _Cs ⁽¹⁾And Δ _Shift ^R-PUCCHThe configuration indication R-PUCCH resource that described relay station distributed; Described relay station uses the indicated resource bearing ascending control information of described resource distribution parameter to comprise:

Described relay station is according to described N _R-PUCCH ⁽¹⁾, N _RB ⁽²⁾, N _Cs ⁽¹⁾, Δ _Shift ^R-PUCCH, and n _CCE ^R, obtain the R-PUCCH corresponding physical resource index m that is distributed; Wherein, n _CCE ^RFirst control information unit CCE sequence number for back haul link Downlink Control Information place;

Determine to distribute to the physical resource RB of described R-PUCCH to the position according to described m; Described affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information are handled with described R-PUCCH form one, be carried on described RB, and send to described base station last.

7. method according to claim 5 is characterized in that, described base station is by the resource distribution parameter: described N _R-PUCCH ⁽¹⁾, N _RB ⁽²⁾, N _Cs ⁽¹⁾And Δ _Shift ^PUCCHFor confirming/the non-R-PUCCH resource of confirming that ACK/NACK information and/or the indication of dispatch request SR information configuration are distributed; Described base station is by the resource distribution parameter: described n _R-PUCCH ⁽²⁾Indicate the R-PUCCH resource of being distributed for the CQI/PMI/RI information configuration; Described relay station uses the indicated resource bearing ascending control information of described resource distribution parameter to comprise:

Described relay station is according to described N _R-PUCCH ⁽¹⁾, N _RB ⁽²⁾, N _Cs ⁽¹⁾, Δ _Shift ^R-PUCCH, and n _CCE ^R, the form one physical resource call number m1 of the R-PUCCH correspondence that acquisition is distributed;

Wherein, n _CCE ^RFirst control information unit CCE sequence number for back haul link Downlink Control Information place; Determine to distribute to the form one physical resource RB of described R-PUCCH to the position according to described m1; Described affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information are handled with described R-PUCCH form one, be carried on described form one physical resource RB to last, and send to described base station;

Described relay station is according to n _R-PUCCH ⁽²⁾The form two physical resource call number m2 of the R-PUCCH correspondence that acquisition is distributed determine to distribute to the form two physical resource RB of described R-PUCCH to the position according to described m2; Described channel quality reporting CQI/PMI/RI information is handled with R-PUCCH form two, be carried on described form two physical resource RB to last, and send to described base station.

8. method according to claim 5 is characterized in that, described base station is by the resource distribution parameter: described n _R-PUCCH ⁽²⁾And N _R-PUCCH ^InitThe configuration indication R-PUCCH resource that described relay station distributed; Described relay station uses the indicated resource bearing ascending control information of described resource distribution parameter to comprise:

Described relay station is according to described n _R-PUCCH ⁽²⁾And N _R-PUCCH ^InitThe R-PUCCH channel corresponding physical resource index m that acquisition is distributed;

Determine to distribute to the physical resource RB of described R-PUCCH to the position according to described m; Described channel quality reporting CQI/PMI/RI is handled with described R-PUCCH form two, be carried on described RB, and send to described base station last.

9. method according to claim 5 is characterized in that, described base station is by the resource distribution parameter: described n _R-PUCCH ⁽¹⁾, N _R-RB ⁽²⁾, N _R-PUCCH ^InitAnd Δ _Shift ^R-PUCCHFor confirming/the non-R-PUCCH resource of confirming that ACK/NACK information and/or dispatch request SR information configuration indicate described relay station to distribute; Described base station is by the resource distribution parameter: described n _R-PUCCH ⁽²⁾, and N _R-PUCCH ^IntiIndicate the R-PUCCH resource of being distributed for the CQI/PMI/RI information configuration; Described relay station uses the indicated resource bearing ascending control information of described resource distribution parameter to comprise:

Described relay station is according to described n _R-PUCCH ⁽¹⁾, N _R-RB ⁽²⁾, N _R-PUCCH ^InitAnd Δ _Shift ^R-PUCCHThe form one physical resource call number m1 of the R-PUCCH correspondence that acquisition is distributed; Determine to distribute to the form one physical resource RB of described R-PUCCH to the position according to described m1; Described affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information are handled with described R-PUCCH form one, be carried on described form one physical resource RB to last, and send to described base station;

Described relay station is according to n _R-PUCCH ⁽²⁾And N _R-PUCCH ^Init, the form two physical resource call number m2 of the R-PUCCH correspondence that acquisition is distributed determine to distribute to the form two physical resource RB of described R-PUCCH to the position according to described m2; Described channel quality reporting CQI/PMI/RI information is handled with R-PUCCH form two, be carried on described form two physical resource RB to last, and send to described base station.

10. method according to claim 5 is characterized in that, described base station is by the resource distribution parameter: described N _R-PUCCH ⁽¹⁾, N _R-RB ⁽²⁾, N _R-PUCCH ^InitAnd Δ _Shift ^R-PUCCHThe configuration indication R-PUCCH resource that described relay station distributed, described relay station uses the indicated resource bearing ascending control information of described resource distribution parameter to comprise:

Described relay station is according to described N _R-PUCCH ⁽¹⁾, N _R-RB ⁽²⁾, N _R-PUCCH ^Init, Δ _Shift ^R-PUCCH, and n _CCE ^R, obtain the R-PUCCH channel corresponding physical resource index m that is distributed; Wherein, n _CCE ^RFirst control information unit CCE sequence number for back haul link Downlink Control Information place; Determine to distribute to the physical resource RB of described R-PUCCH to the position according to described m; Described affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information are handled with described R-PUCCH form one, be carried on described RB, and send to described base station last.

11. method according to claim 1 is characterized in that, described ascending control information comprises ascending control information relevant with described back haul link and/or the ascending control information relevant with access link.

12. according to claim 3-4, the arbitrary described method of 6-10 is characterized in that, described relay station is distributed in described base station in a subframe RB is to for one or more pairs of.

13., it is characterized in that a kind of indicate of described resource distribution parameter in the following manner according to arbitrary described method among the claim 1-11:

Indicate to described relay station by high-level signaling by described base station;

Indicate to described relay station by the back haul link Downlink Control Information by described base station;

Indicate to described relay station in conjunction with Downlink Control Information by high-level signaling by described base station.

14. the resource allocation system of a back haul link ascending control channel comprises base station and relay station, it is characterized in that, described base station comprises:

Resource distribution module is used to described relay station to distribute the resource of back haul link Physical Uplink Control Channel R-PUCCH;

The resource indicating module is used for by the resource distribution parameter resource of distributing being indicated to described relay station;

Described relay station is used to the resource bearing ascending control information that uses described resource distribution parameter indicated, and sends to described base station.

15. system according to claim 14 is characterized in that, described base station comprises:

The first resource indicating module is used for by following resource distribution parameter one or multinomial the resource of distributing is indicated to described relay station:

n _R-PUCCH, the resource index of R-PUCCH number;

N _R-PUCCH, the relative resource index of R-PUCCH number;

N _R-PUCCH ^Init, the resource initial position of R-PUCCH;

Δ _Shift ^R-PUCCH, ascending control information is at the frequency domain expansion index interval of described back haul link processing; Described ascending control information comprises one of following information at least: affirmation/non-affirmation ACK/NACK information, dispatch request SR information, channel quality reporting CQI/PMI/RI information.

16. system according to claim 15 is characterized in that, the described first resource indicating module is by the resource distribution parameter: described n _R-PUCCHWith described N _R-PUCCH ^InitThe configuration indication R-PUCCH resource that described relay station distributed;

Described relay station comprises:

The primary importance determination module is used for according to described n _R-PUCCHWith described N _R-PUCCH ^InitThe R-PUCCH corresponding physical resource index m that acquisition is distributed; Determine that according to described m the physical resource RB of described R-PUCCH is to the position;

First sending module, be used for described ascending control information be carried on described RB to, and send to described base station.

17. system according to claim 15 is characterized in that, the described first resource indicating module is by the resource distribution parameter: described N _R-PUCCH, described N _R-PUCCH ^InitWith described Δ _Shift ^R-PUCCHThe configuration indication R-PUCCH resource that described relay station distributed;

Described relay station comprises:

Second place determination module is used for according to described N _R-PUCCH, described N _R-PUCCH ^Init, described Δ _Shift ^R-PUCCH, and n _CCE ^R, obtain the R-PUCCH corresponding physical resource index m that is distributed; Wherein, n _CCE ^RFirst control information unit CCE sequence number for back haul link Downlink Control Information place; Determine to distribute to the physical resource RB of described R-PUCCH to the position according to described m;

Second sending module is carried on RB to last with described ascending control information, and sends to described base station.

18. system according to claim 14 is characterized in that, described relay station adopts R-PUCCH form one or R-PUCCH form two carrying ascending control informations; Wherein, described R-PUCCH form one is used for carrying affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information; Described R-PUCCH form two is used for Bearer Channel quality report CQI/PMI/RI information, or is used to carry CQI/PMI/RI and ACK/NACK information;

Described base station comprises:

The second resource indicating module is used for by following resource distribution parameter one or multinomial the resource of distributing is indicated to described relay station:

N _R-PUCCH ⁽¹⁾, the relative resource index of R-PUCCH form No.;

n _R-PUCCH ⁽¹⁾, the resource index of R-PUCCH form No.;

n _R-PUCCH ⁽²⁾, the resource index of R-PUCCH form No. two;

N _R-RB ⁽²⁾, the RB that R-PUCCH form two channels use is to quantity;

N _R-PUCCH ^Init, R-PUCCH resource initial position;

Δ _Shift ^R-PUCCH, ascending control information is at the frequency domain expansion index interval of described back haul link processing;

N _RB ⁽²⁾, the RB logarithm that PUCCH form 2/2a/2b uses;

N _Cs ⁽¹⁾, PUCCH form 1/1a/1b carries the frequency domain expansion index quantity of using among the mixing RB of PUCCH form 1/1a/1b and PUCCH form 2/2a/2b at the same time;

Δ _Shift ^R-PUCCH, the interval of PUCCH form 1/1a/1b frequency domain expansion index;

Described base station to the resource distribution of described R-PUCCH form one at least with described N _R-PUCCH ⁽¹⁾Or described n _R-PUCCH ⁽¹⁾Indicate, to the resource distribution of described R-PUCCH form two at least with described n _R-PUCCH ⁽²⁾Indicate;

Correspondingly, described relay station comprises:

The form determination module is used for according to the definite R-PUCCH form that uses of ascending control information type to be reported;

Sending module is used to the described ascending control information of resource bearing that uses corresponding resource distribution parameter indicated, and sends to described base station.

19. system according to claim 18 is characterized in that, the described second resource indicating module is by the resource distribution parameter: described N _R-PUCCH ⁽¹⁾, N _RB ⁽²⁾, N _Cs ⁽¹⁾And Δ _Shift ^R-PUCCHThe configuration indication R-PUCCH resource that described relay station distributed;

Described relay station comprises:

The 3rd position determination module is used for according to described N _R-PUCCH ⁽¹⁾, N _RB ⁽²⁾, N _Cs ⁽¹⁾, Δ _Shift ^R-PUCCH, and n _CCE ^R, obtain the R-PUCCH corresponding physical resource index m that is distributed; Wherein, n _CCE ^RFirst control information unit CCE sequence number for back haul link Downlink Control Information place; Determine to distribute to the physical resource RB of described R-PUCCH to the position according to described m;

The 3rd sending module is used for described affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information are handled with described R-PUCCH form one, is carried on described RB to last, and sends to described base station.

20. system according to claim 18 is characterized in that, the described second resource indicating module is by the resource distribution parameter: described N _R-PUCCH ⁽¹⁾, N _RB ⁽²⁾, N _Cs ⁽¹⁾And Δ _Shift ^PUCCHFor confirming/the non-R-PUCCH resource of confirming that ACK/NACK information and/or the indication of dispatch request SR information configuration are distributed; By the resource distribution parameter: described n _R-PUCCH ⁽²⁾Indicate the R-PUCCH resource of being distributed for the CQI/PMI/RI information configuration;

Described relay station comprises:

The 4th position determination module is used for according to described N _R-PUCCH ⁽¹⁾, N _RB ⁽²⁾, N _Cs ⁽¹⁾, Δ _Shift ^R-PUCCH, and n _CCE ^R, the form one physical resource call number m1 of the R-PUCCH correspondence that acquisition is distributed; Wherein, n _CCE ^RFirst control information unit CCE sequence number for back haul link Downlink Control Information place; Determine to distribute to the form one physical resource RB of described R-PUCCH to the position according to described m1; According to n _R-PUCCH ⁽²⁾The form two physical resource call number m2 of the R-PUCCH correspondence that acquisition is distributed determine to distribute to the form two physical resource RB of described R-PUCCH to the position according to described m2;

The 4th sending module is used for described affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information are handled with described R-PUCCH form one, is carried on described form one physical resource RB to last, and sends to described base station; Described channel quality reporting CQI/PMI/RI information is handled with R-PUCCH form two, be carried on described form two physical resource RB to last, and send to described base station.

21. system according to claim 18 is characterized in that, the described second resource indicating module is by the resource distribution parameter: described n _R-PUCCH ⁽²⁾And N _R-PUCCH ^InitThe configuration indication R-PUCCH resource that described relay station distributed;

Described relay station comprises:

The 5th position determination module is used for according to described n _R-PUCCH ⁽²⁾And N _R-PUCCH ^InitThe R-PUCCH channel corresponding physical resource index m that acquisition is distributed; Determine to distribute to the physical resource RB of described R-PUCCH to the position according to described m;

The 5th sending module is used for described channel quality reporting CQI/PMI/RI is handled with described R-PUCCH form two, is carried on described RB to last, and sends to described base station.

22. system according to claim 18 is characterized in that, the described second resource indicating module is by the resource distribution parameter: described n _R-PUCCH ⁽¹⁾, N _R-RB ⁽²⁾, N _R-PUCCH ^InitAnd Δ _Shift ^R-PUCCHFor confirming/the non-R-PUCCH resource of confirming that ACK/NACK information and/or dispatch request SR information configuration indicate described relay station to distribute; And by the resource distribution parameter: described n _R-PUCCH ⁽²⁾, and N _R-PUCCH ^InitIndicate the R-PUCCH resource of being distributed for the CQI/PMI/RI information configuration;

Described relay station comprises:

The 6th position determination module is used for according to described n _R-PUCCH ⁽¹⁾, N _R-RB ⁽²⁾, N _R-PUCCH ^InitAnd Δ _Shift ^R-PUCCHThe form one physical resource call number m1 of the R-PUCCH correspondence that acquisition is distributed; Determine to distribute to the form one physical resource RB of described R-PUCCH to the position according to described m1; And according to n _R-PUCCH ⁽²⁾And N _R-PUCCH ^Init, the form two physical resource call number m2 of the R-PUCCH correspondence that acquisition is distributed determine to distribute to the form two physical resource RB of described R-PUCCH to the position according to described m2;

The 6th sending module is used for described affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information are handled with described R-PUCCH form one, is carried on described form one physical resource RB to last, and sends to described base station; And described channel quality reporting CQI/PMI/RI information handled with R-PUCCH form two, be carried on described form two physical resource RB to last, and send to described base station.

23. system according to claim 18 is characterized in that, the described second resource indicating module is by the resource distribution parameter: described N _R-PUCCH ⁽¹⁾, N _R-RB ⁽²⁾, N _R-PUCCH ^InitAnd Δ _Shift ^R-PUCCHThe configuration indication R-PUCCH resource that described relay station distributed,

Described relay station comprises:

The 7th position determination module is used for according to described N _R-PUCCH ⁽¹⁾, N _R-RB ⁽²⁾, N _R-PUCCH ^Init, Δ _Shift ^R-PUCCH, and n _CCE ^R, obtain the R-PUCCH channel corresponding physical resource index m that is distributed; Wherein, n _CCE ^RFirst control information unit CCE sequence number for back haul link Downlink Control Information place; Determine to distribute to the physical resource RB of described R-PUCCH to the position according to described m;

The 7th sending module is used for described affirmation/non-affirmation ACK/NACK information and/or dispatch request SR information are handled with described R-PUCCH form one, is carried on described RB to last, and sends to described base station.

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