CN102143586B

CN102143586B - Processing method and system for backhaul link uplink control channel

Info

Publication number: CN102143586B
Application number: CN201010115267.7A
Authority: CN
Inventors: 杨瑾; 毕峰; 梁枫; 袁明; 吴栓栓
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2010-02-01
Filing date: 2010-02-01
Publication date: 2015-06-03
Anticipated expiration: 2030-02-01
Also published as: CN102143586A; WO2011091746A1

Abstract

The invention discloses a processing method and system for a backhaul link uplink control channel. An RN (Relay Node) receives configuration information for indicating backhaul link uplink transmission and comprises backhaul link uplink subframe configuration, timing relation configuration of a backhaul link uplink subframe relative to a received backhaul downlink subframe and resource configuration of a backhaul link physical uplink control channel; uplink control information is processed by adopting a physical uplink control channel structure corresponding to the received configuration information; and uplink transmission of the processed uplink control information is performed according to configured timing advance relation on a distributed backhaul link uplink resource. By adopting the method and the system, uplink control information on a backhaul link is effectively transmitted, and transmission efficiency is improved.

Description

A kind of processing method of backhaul link uplink control channel and system

Technical field

The present invention relates to the communications field, be specifically related to a kind of processing method and system of backhaul link uplink control channel.

Background technology

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

In LTE system, each radio frames is 10ms, comprises 10 subframes.1 subframe is 1ms, is divided into 2 slot of 0.5ms, as shown in Figure 2.Ascending physical signal resource is with RB (Resource Block, Resource Block) for unit divides, and as shown in Figure 3, it is 1 time slot (slot) that RB is defined as in time-domain, comprises continuous print N _symb ^uLindividual SC-FDMA symbol, wherein, when frame structure employing general cyclic prefix (Normal Cyclic Prefix) of system, when frame structure employing extended cyclic prefix (Extended Cyclic Prefix) of system, frequency domain is continuous print N _sc ^rBindividual subcarrier,

N_{sc}^{RB} = 12 .

Direct transfer on link in LTE system, the information that the ascending physical signal control channel PUCCH (PhysicalUplink Control Channel) of M-UE can carry has: dispatch request (Scheduling request, SR), HARQ feedback information, namely the data receiver situation of M-UE to the descending transmission of eNB carries out ACK/NACK feedback, and channel quality reporting, comprise CQI/PMI/RI (Channel Quality Indicator/PrecodingMatrix Indicator/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 format2/2a/2b.

The physical source distributing of PUCCH channel by RB in units of, each PUCCH physical channel takies a pair RB couple, each slot takies respectively a RB, frequency hopping Hopping between slot.PUCCH format1/1a/1b channel architecture as shown in Figure 4.When system frame structure adopts general cyclic prefix (Normal CyclicPrefix), every subframe contains 14 SC-FDMA (Orthogonal Frequency DivisionMultiplexing) symbol, be divided into 2 slot, each slot comprises 7 SC-FDMA symbols, frequency hopping is carried out between slot, as shown in Fig. 4 (a), wherein #0, #1, #5, loading ACK/nack message on #6, #7, #8, #12, #13 symbol, mapping pilot signal (Reference Signal, RS) on remaining #2, #3, #4, #9, #10, #11 symbol.When system frame structure adopts extended cyclic prefix (ExtendedCyclic Prefix), every subframe contains 12 SC-FDMA symbols, be divided into 2 slot, each slot comprises 6 SC-FDMA symbols, frequency hopping is carried out between slot, as shown in Fig. 4 (b), #0, #1, #4 wherein, loading ACK/nack message on #5, #6, #7, #10, #11 symbol, remaining #2, #3, #8, #9 symbol maps RS signal.

PUCCH format 2/2a/2b channel architecture as shown in Figure 5.When system frame structure adopts general cyclic prefix, every subframe contains 14 SC-FDMA symbols, be divided into 2 slot, each slot comprises 7 SC-FDMA symbols, frequency hopping is carried out, #0, #2, #3 wherein, Bearer Channel quality report on #4, #6, #7, #9, #10, #11, #13 symbol between slot, mapping pilot signal on remaining #1, #5, #8, #12 symbol, as shown in Fig. 5 (a).When system frame structure adopts extended cyclic prefix, every subframe contains 12 SC-FDMA symbols, be divided into 2 slot, each slot comprises 6 SC-FDMA symbols, frequency hopping is carried out, #0, #1, #2, #4 wherein, Bearer Channel quality report on #5, #6, #7, #8, #10, #11 symbol between slot, remaining #3, #9 symbol maps RS signal, as shown in Fig. 5 (b).

On Direct Link, M-UE is to the ACK/NACK information generated or channel quality reporting is encoded, map on distributed physical resource according to above-mentioned PUCCH format after the process such as frequency domain expansion, and uply sends to eNB.

On Direct Link, consider the factors such as the signal transmission delay of M-UE to eNB, eNB can configure instruction M-UE regular hour lead N _tA, M-UE, according to the configuration of Timing Advance, shifts to an earlier date N in the original position relative to the Direct Link descending sub frame received _tA× T _sstart the transmission of sub-frame of uplink second.Wherein, time quantum T _s=1/ (15000 × 2048) second, as shown in Figure 6.

The subframe that system configuration RN carries out Backhaul Link uplink is called Backhaul Link sub-frame of uplink, and the subframe accordingly for receiving Access Link upward signal is called Access Link sub-frame of uplink.Because RN cannot carry out the uplink receiving of Access Link and the uplink of Backhaul Link simultaneously; RN receives/sends out and send out/receive at the signal of Access Link and Backhaul Link between conversion needs certain guard time interval GP (Guard Period); therefore; the symbolic number that RN can be actually used in uplink on Backhaul Link sub-frame of uplink is less than the symbolic number that a subframe comprises; namely when general cyclic prefix (Normal CP), available symbols number is less than 14, is less than 12 time extended cyclic prefix (Extended CP).Therefore the channel architecture of the Physical Uplink Control Channel (R-PUCCH) of Backhaul Link and PUCCH different, the difference of this Physical Uplink Control Channel structure makes the process of the ascending control channel of Backhaul Link cannot carry out according to Direct Link method.

Summary of the invention

In view of this, main purpose of the present invention is the processing method and the system that provide a kind of backhaul link uplink control channel, realizes the effective transmission to ascending control information on back haul link, improves efficiency of transmission.

For achieving the above object, technical scheme of the present invention is achieved in that

A kind of backhaul link uplink control channel processing method, the method comprises:

RN receives the configuration information being used to indicate the transmission of Backhaul Link uplink information, comprises the configuration of BackhaulLink sub-frame of uplink, the timing relationship configuration of Backhaul Link sub-frame of uplink relative to Backhaul Link descending sub frame and the resource distribution of Backhaul Link R-PUCCH;

The R-PUCCH channel architecture corresponding with the configuration information received is adopted to process ascending control information; And in distributed Backhaul Link resource, send to eNB according to configured timing relationship by up for ascending control information.

Described R-PUCCH comprises GP and significant character, and GP is used for RN to carry out receiving/sending out or send out/receive State Transferring, and significant character refers to SC-FDMA symbol or OFDM symbol, for carrying ascending control information UCI and RS; When adopting Normal CP, described R-PUCCH channel architecture is:

In subframe, #0 symbol is as GP, #1-#13 symbol is the significant character of R-PUCCH, according to the timing relationship of the described Backhaul Link sub-frame of uplink configured relative to received Backhaul Link descending sub frame, the #1 symbol of R-PUCCH when eNB receives and the #1 symbol aligned of macrocell sub-frame of uplink, make 13 significant characters of R-PUCCH in Backhaul Link sub-frame of uplink eNB respectively with the #1-#13 symbol aligned in sub-frame of uplink;

Or, in subframe, #13 symbol is as GP, #0-#12 symbol is the significant character of R-PUCCH, according to the timing relationship of the described Backhaul Link sub-frame of uplink configured relative to received Backhaul Link descending sub frame, the #0 symbol of R-PUCCH when eNB receives and the #0 symbol aligned of macrocell sub-frame of uplink, make 13 significant characters of R-PUCCH in Backhaul Link sub-frame of uplink eNB respectively with the #0-#12 symbol aligned in sub-frame of uplink;

Or, subframe starts to be one section of GP, be called GP1, length is less than #0 symbol lengths, 13 significant characters of R-PUCCH afterwards, #1-#13 symbol, subframe end is one section of GP, be called GP2, the length sum of two sections of GP equals #0 symbol lengths, according to the timing relationship of the described Backhaul Link sub-frame of uplink configured relative to received Backhaul Link descending sub frame, the #1 symbol of R-PUCCH is when eNB receives and the #1 symbol aligned of macrocell sub-frame of uplink, make 13 significant characters of R-PUCCH in Backhaul Link sub-frame of uplink eNB respectively with the #1-#13 symbol aligned in sub-frame of uplink,

Or, subframe starts to be one section of GP, be called GP1, length is less than #13 symbol lengths, 13 significant characters of R-PUCCH afterwards, #0-#12 symbol, last subframe end is one section of GP, be called GP2, the length sum of two sections of GP equals #13 symbol lengths, according to the timing relationship of the described Backhaul Link sub-frame of uplink configured relative to received Backhaul Link descending sub frame, the #0 symbol of R-PUCCH is when eNB receives and the #0 symbol aligned of macrocell sub-frame of uplink, make 13 significant characters of R-PUCCH in Backhaul Link sub-frame of uplink eNB respectively with the #0-#12 symbol aligned in sub-frame of uplink.

When ascending control information to be reported is ACK/NACK information, #2, #3, #4, #9, #10, #11 symbol in described significant character is for mapping RS; When ascending control information to be reported is CQI/PMI/RI information, #1, #5, #8, #12 symbol in described symbol is for mapping RS.

Described R-PUCCH comprises GP and significant character, and GP is used for RN to carry out receiving/sending out or send out/receive State Transferring, and significant character refers to SC-FDMA symbol or OFDM symbol, for carrying UCI and RS; When adopting Extended CP, described R-PUCCH channel architecture is:

In subframe, #0 symbol is as GP, #1-#11 symbol is the significant character of R-PUCCH, according to the timing relationship of the described Backhaul Link sub-frame of uplink configured relative to received Backhaul Link descending sub frame, the #1 symbol of R-PUCCH when eNB receives and the #1 symbol aligned of macrocell sub-frame of uplink, make 11 significant characters of R-PUCCH in Backhaul Link sub-frame of uplink eNB respectively with the #1-#11 symbol aligned in sub-frame of uplink;

Or, in subframe, #11 symbol is as GP, #0-#10 symbol is the significant character of R-PUCCH, according to the timing relationship of the described Backhaul Link sub-frame of uplink configured relative to received Backhaul Link descending sub frame, the #0 symbol of R-PUCCH when eNB receives and the #0 symbol aligned of macrocell sub-frame of uplink, make 11 significant characters of R-PUCCH in Backhaul Link sub-frame of uplink eNB respectively with the #0-#10 symbol aligned in sub-frame of uplink;

Or, subframe starts to be one section of GP, be called GP1, length is less than #0 symbol lengths, 11 significant characters of R-PUCCH afterwards, #1-#11 symbol, last subframe end is one section of GP, be called GP2, the length sum of two sections of GP equals #0 symbol lengths, according to the timing relationship of the described Backhaul Link sub-frame of uplink configured relative to received Backhaul Link descending sub frame, the #1 symbol of R-PUCCH is when eNB receives and the #1 symbol aligned of macrocell sub-frame of uplink, make 11 significant characters of R-PUCCH in Backhaul Link sub-frame of uplink eNB respectively with the #1-#11 symbol aligned in sub-frame of uplink,

Or, subframe starts to be one section of GP, be called GP1, length is less than #11 symbol lengths, 11 significant characters of R-PUCCH afterwards, #0-#10 symbol, last subframe end is one section of GP, be called GP2, the length sum of two sections of GP equals #11 symbol lengths, according to the timing relationship of the described Backhaul Link sub-frame of uplink configured relative to received Backhaul Link descending sub frame, the #0 symbol of R-PUCCH is when eNB receives and the #0 symbol aligned of macrocell sub-frame of uplink, make 11 significant characters of R-PUCCH in Backhaul Link sub-frame of uplink eNB respectively with the #0-#10 symbol aligned in sub-frame of uplink.

When ascending control information to be reported is ACK/NACKK information, #2, #3, #8, #9 symbol in described symbol is for mapping RS; When ascending control information to be reported is CQI/PMI/RI information, #3, #9 symbol in described symbol is for mapping RS.

Described Backhaul Link sub-frame of uplink configures or several acquisitions by following parameter relative to the timing relationship of Backhaul Link descending sub frame: timing offset Parameter N _offset, Timing Advance Parameter N _a, propagation delay Parameter N _r-TA, and N _offset, N _a, N _r-TAvalue is positive integer,

Described parameter indicates RN by eNB by signal deployment, or is fixed value by Operation system setting, or determines value by RN.

Described R-PUCCH structure is adopted to comprise the process that ascending control information processes: at (the N in advance of the original position relative to received Backhaul Link descending sub frame _r-TA+ N _offset) × T _ssecond as start time of Backhaul Link sub-frame of uplink, and,

During Normal CP, make the #0-#12 symbol of R-PUCCH when eNB receives respectively with the #0-#12 symbol aligned of macrocell sub-frame of uplink, the GP in R-PUCCH structure ₁=N _offset× T _ssecond, GP ₂=(#13 symbol lengths-N _offset) × T _ssecond, T _s=1/ (15000 × 2048);

During Extended CP, make the #0-#10 symbol of R-PUCCH when eNB receives respectively with the #0-#10 symbol aligned of macrocell sub-frame of uplink, the GP in R-PUCCH structure ₁=N _offset× T _ssecond, GP ₂=(#11 symbol lengths-N _offset) × T _ssecond, T _s=1/ (15000 × 2048).

Described R-PUCCH structure is adopted to comprise the process that ascending control information processes: at (the N in advance of the original position relative to received Backhaul Link descending sub frame _r-TA-N _offset) × T _ssecond as start time of Backhaul Link sub-frame of uplink, and,

During Normal CP, make the #1-#13 symbol of R-PUCCH when eNB receives and the #1-#13 symbol aligned of macrocell sub-frame of uplink, the GP in R-PUCCH structure ₂=N _offset× T _ssecond, GP ₁=(#0 symbol lengths-N _offset) × T _ssecond;

During Extended CP, make the #1-#11 symbol of R-PUCCH when eNB receives and the #1-#11 symbol aligned of macrocell sub-frame of uplink, the GP in R-PUCCH structure ₂=N _offset× T _ssecond, GP ₁=(#0 symbol lengths-N _offset) × T _ssecond.

Described R-PUCCH structure is adopted to comprise the process that ascending control information processes: to shift to an earlier date N in the original position relative to received Backhaul Link descending sub frame _a× T _ssecond as start time of Backhaul Link sub-frame of uplink, and,

During Extended CP, make the #0-#10 symbol of R-PUCCH when eNB receives respectively with the #0-#10 symbol aligned of macrocell sub-frame of uplink, the GP in R-PUCCH structure ₁=N _offset× T _ssecond, GP ₂=(#11 symbol lengths-N _offset) × T _s.

Described R-PUCCH structure is adopted to comprise the process that ascending control information processes: to shift to an earlier date N in the original position relative to received Backhaul Link descending sub frame _r-TA× T _ssecond as start time of BackhaulLink sub-frame of uplink, and,

During Normal CP, make the #0-#13 symbol of R-PUCCH when eNB receives and the #0-#13 symbol aligned of macrocell sub-frame of uplink, wherein, #0 symbol is as GP;

During Extended CP, make the #0-#11 symbol of R-PUCCH when eNB receives and the #0-#11 symbol aligned of macrocell sub-frame of uplink, wherein, #0 symbol is as GP.

During Normal CP, make the #0-#13 symbol of R-PUCCH when eNB receives and the #0-#13 symbol aligned of macrocell sub-frame of uplink, wherein, #13 symbol is as GP;

During Extended CP, make the #0-#11 symbol of R-PUCCH when eNB receives and the #0-#11 symbol aligned of macrocell sub-frame of uplink, wherein, #11 symbol is as GP.

A kind of backhaul link uplink control channel treatment system, this system comprises connected configuration information receiving element, ascending control information processing unit, transmitter unit; Wherein,

Described configuration information receiving element, for receiving the configuration information of instruction Backhaul Link uplink information transmission, comprise Backhaul Link sub-frame of uplink, the timing relationship of Backhaul Link sub-frame of uplink relative to BackhaulLink downlink subframe and the resource of Backhaul Link Physical Uplink Control Channel; And the above-mentioned configuration information received is sent to described ascending control information processing unit;

Described ascending control information processing unit, carries out carrying for the R-PUCCH channel architecture that the configuration information adopted with receive is corresponding to ascending control information and processes, and the ascending control information completing carrying process is sent to transmitter unit;

Described transmitter unit, for the respective resources at distributed Backhaul Link, according to the timing relationship of configuration, carries out up transmitting to the ascending control information completing carrying process received.

Described ascending control information processing unit comprises timing relationship dispensing unit, frame structure dispensing unit, resource configuration unit; Wherein,

Described timing relationship dispensing unit, for receiving the timing relationship configuration information of Backhaul Link sub-frame of uplink relative to BackhaulLink descending sub frame, and requires to send to frame structure dispensing unit by the frame structure corresponding to this timing relationship configuration information;

Described resource configuration unit, for receiving the resource allocation information of Backhaul Link Physical Uplink Control Channel, and requires to send to frame structure dispensing unit by the frame structure corresponding to this resource allocation information;

Described frame structure dispensing unit, for receiving Backhaul Link sub-frame of uplink configuration information and the configuration information from timing relationship dispensing unit, resource configuration unit, adopt the R-PUCCH channel architecture corresponding with the configuration information received to carry out carrying to ascending control information to process, and the ascending control information completing carrying process is sent to described transmitter unit.

Described R-PUCCH comprises GP and significant character, and GP is used for RN to carry out receiving/sending out or send out/receive State Transferring, and significant character refers to SC-FDMA symbol or OFDM symbol, for carrying ascending control information UCI and pilot tone RS; When adopting general cyclic prefix Normal CP, described R-PUCCH channel architecture is:

Described R-PUCCH comprises GP and significant character, and GP is used for RN to carry out receiving/sending out or send out/receive State Transferring, and significant character refers to SC-FDMA symbol or OFDM symbol, for carrying UCI and RS; When adopting extended cyclic prefix Extended CP, described R-PUCCH channel architecture is:

Visible, ascending control information processing method of the present invention and system, all can ensure the smooth transmission of the uplink information on Backhaul Link and can improve efficiency of transmission.

Accompanying drawing explanation

Fig. 1 is junction network structural representation;

Fig. 2 is LTE system wireless frame structure schematic diagram;

Fig. 3 is LTE system resource RB schematic diagram;

Fig. 4 is PUCCH format 1/1a/1b channel architecture schematic diagram in LTE system;

Fig. 5 is PUCCH format 2/2a/2b channel architecture schematic diagram in LTE system;

Fig. 6 is uplink and downlink subframe timing relation schematic diagram in LTE system;

R-PUCCH channel architecture schematic diagram when Fig. 7 is Normal CP of the present invention;

R-PUCCH channel architecture schematic diagram when Fig. 8 is Extended CP of the present invention;

Fig. 9 is the backhaul link uplink control channel processing mode schematic diagram of the embodiment of the present invention one;

Figure 10 is the backhaul link uplink control channel processing mode schematic diagram of the embodiment of the present invention two;

Figure 11 is the backhaul link uplink control channel processing mode schematic diagram of the embodiment of the present invention three;

Figure 12 is the backhaul link uplink control channel processing mode schematic diagram of the embodiment of the present invention four;

Figure 13 is the backhaul link uplink control channel processing mode schematic diagram of the embodiment of the present invention five;

Figure 14 is backhaul link uplink control channel handling process sketch of the present invention;

Figure 15 is the backhaul link uplink control channel treatment system figure of one embodiment of the invention.

Embodiment

ENB is the corresponding R-PUCCH resource of RN configuration instruction, the physical resource that each R-PUCCH channel is corresponding is that a pair RB is to (RB Pairs), respectively take a RB between RB, slot at each slot of sub-frame of uplink carry out frequency hopping to configuring or do not carry out frequency hopping.

Because RN cannot carry out the uplink receiving of Access Link and the uplink of Backhaul Link simultaneously, therefore need Access Link and Backhaul Link receipts/send out and send out/receipts state between change, namely need to arrange certain GP between Access Link sub-frame of uplink and the Backhaul Link sub-frame of uplink configured.The set-up mode of GP and time span and the system transmit timing relation to the time needed for the configuration of Backhaul Link sub-frame of uplink, RN State Transferring and Backhaul Link sub-frame of uplink is relevant, provides in the following embodiments and further illustrates.

According to the Resourse Distribute of system to the configuration of back haul link sub-frame of uplink, the transmit timing relation of Backhaul Link sub-frame of uplink and back haul link Physical Uplink Control Channel R-PUCCH, RN adopts corresponding R-PUCCH channel architecture to carry out carrying process to ascending control information, and uply sends to eNB.

During system employing Normal CP

If system configuration is Backhaul Link sub-frame of uplink to RN subframe, and the previous subframe of this subframe and a rear subframe are Access Link sub-frame of uplink, then RN starting position in this Backhaul Link sub-frame of uplink and end position need arrange one section of GP for receiving/sending out and send out/receive the conversion of state, as shown in Fig. 7 (c) He 7 (d) respectively.The Backhaul Link sub-frame of uplink timing relationship that R-PUCCH channel architecture shown in Fig. 7 (c) is applicable to system configuration instruction is the situation postponing skew offset, namely RN according to system configuration instruction relative to received Backhaul Link descending sub frame original position, initial time using certain Timing Advance as Backhaul Link sub-frame of uplink, makes the #1-#13 symbol aligned of 13 significant characters when eNB receives and in macrocell sub-frame of uplink sent in Backhaul Link sub-frame of uplink.Accordingly, the two sections of GP contained in Backhaul Link sub-frame of uplink are set to: arrange one section of GP after last significant character comprised in BackhaulLink sub-frame of uplink, be designated as GP ₂, and GP ₂=N _offset× T _ssecond, the starting position in subframe arranges one section of GP, is designated as GP ₁, the length due to two sections of GP sums equals #0 length, i.e. GP ₁=(#0 symbol lengths-N _offset) × T _ssecond, wherein, time quantum T _s=1/ (15000 × 2048).Be Backhaul Link sub-frame of uplink at the some sub-frame of uplink of system configuration, and timing relationship is when postponing skew offset, RN adopts the structure shown in Fig. 7 (c) to process ascending control information to be reported, be carried in distributed R-PUCCH resource, the start time of certain Timing Advance as Backhaul Link sub-frame of uplink is shifted to an earlier date in the original position relative to received Backhaul Link descending sub frame, the i.e. beginning of first paragraph GP in subframe, GP ₁=(2208-N _offset) × T _ssecond, for the conversion of the receipts/hair-like state of RN, after this section of GP, start to transmit first significant character in Backhaul Link sub-frame of uplink, i.e. #1 symbol, make the #1 symbol of R-PUCCH when eNB receives and the #1 symbol aligned of macrocell sub-frame of uplink, thereafter be followed successively by the significant character of R-PUCCH, finally second segment GP be set at the end of sub-frame of uplink, GP ₂=N _offset× T _ssecond, at GP ₂interior RN completes and sends out/receive the conversion of state, then in Backhaul Link sub-frame of uplink R-PUCCH 13 significant characters eNB respectively with the #1-#13 symbol aligned in sub-frame of uplink.

Similar, the Backhaul Link sub-frame of uplink timing relationship that R-PUCCH channel architecture shown in Fig. 7 (d) is applicable to system configuration instruction is the situation of advance offset offset, namely RN according to system configuration instruction relative to received Backhaul Link descending sub frame original position, initial time using certain Timing Advance as Backhaul Link sub-frame of uplink, makes the #0-#12 symbol aligned of 13 significant characters when eNB receives and in macrocell sub-frame of uplink sent in Backhaul Link sub-frame of uplink.Accordingly, the two sections of GP contained in Backhaul Link sub-frame of uplink are set to: start in Backhaul Link sub-frame of uplink to arrange one section of GP, be designated as GP ₁, and GP ₁=N _offset× T _ssecond, one section of GP is set after last significant character in subframe, is designated as GP ₂, the length due to two sections of GP sums equals #13 length, i.e. GP ₂=(#13 symbol lengths-N _offset) × T _ssecond.Be Backhaul Link sub-frame of uplink at the some sub-frame of uplink of system configuration, and timing relationship is when being advance offset offset, RN adopts the structure shown in Fig. 7 (d) to process ascending control information to be reported, be carried in distributed R-PUCCH resource, the start time of certain Timing Advance as Backhaul Link sub-frame of uplink is shifted to an earlier date in the original position relative to received Backhaul Link descending sub frame, the i.e. beginning of first paragraph GP in subframe, GP ₁=N _offset× T _ssecond, for the conversion of the receipts/hair-like state of RN, after this section of GP, start to transmit first significant character in Backhaul Link sub-frame of uplink, i.e. #0 symbol, make the #0 symbol of R-PUCCH when eNB receives and the #0 symbol aligned of macrocell sub-frame of uplink, thereafter be followed successively by the significant character of R-PUCCH, finally second segment GP be set at the end of sub-frame of uplink, be designated as GP ₂, and GP ₂=(#13 symbol lengths-N _offset) × T _ssecond, i.e. GP ₂=(2192-N _offset) × T _s, at GP ₂interior RN completes and sends out/receive the conversion of state, then in Backhaul Link sub-frame of uplink R-PUCCH 13 significant characters eNB respectively with the #0-#12 symbol aligned in sub-frame of uplink.

When the multiple sub-frame of uplink of system configuration instruction RN continuous print is Backhaul Link sub-frame of uplink, and this multiple subframe previous and a subframe is Access Link sub-frame of uplink afterwards time, in configured continuous multiple Backhaul Link sub-frame of uplink, in first sub-frame of uplink RN need carry out receiving/send out State Transferring, in last sub-frame of uplink, RN need carry out sending out/receive State Transferring, and corresponding R-PUCCH channel architecture is respectively as shown in Fig. 7 (a) He 7 (b).

R-PUCCH channel architecture shown in Fig. 7 (a) is applicable to the Backhaul Link sub-frame of uplink that RN need carry out receiving/sending out State Transferring, RN according to system configuration instruction relative to received BackhaulLink descending sub frame original position, initial time using certain Timing Advance as Backhaul Link sub-frame of uplink, makes the #1-#13 symbol aligned of 13 significant characters when eNB receives and in macrocell sub-frame of uplink sent in Backhaul Link sub-frame of uplink.Accordingly, in Backhaul Link sub-frame of uplink, starting position arranges one section of GP, carries out the conversion of RN receipts/hair-like state, is set to: GP=#0 symbol lengths × T _ssecond, i.e. GP=2208 × T _ssecond.Here, because one section of GP takies a complete symbol lengths, then the timing relationship of BackhaulLink sub-frame of uplink is for shifting to an earlier date N relative to the original position of the Backhaul Link descending sub frame received by RN _r-TA× T _ssecond as start time of Backhaul Link sub-frame of uplink, wherein, propagation delay Parameter N _r-TAbe the Timing Advance relevant to the signal propagation time brought due to space length between RN and affiliated eNB, value positive integer, indicates RN by eNB by signal deployment.Be Backhaul Link sub-frame of uplink at the continuous multiple sub-frame of uplink of system configuration, to first Backhaul Link sub-frame of uplink, RN adopts the structure shown in Fig. 7 (a) to process ascending control information to be reported, be carried in distributed R-PUCCH resource, shift to an earlier date N in the original position relative to received Backhaul Link descending sub frame _r-TA× T _ssecond is as the start time of Backhaul Link sub-frame of uplink, #0 symbol is as GP, for the conversion of the receipts/hair-like state of RN, from the significant character that #1 sign-on is R-PUCCH, make the #1 symbol of R-PUCCH when eNB receives and the #1 symbol aligned of macrocell sub-frame of uplink, thereafter be followed successively by the significant character of R-PUCCH, then in Backhaul Link sub-frame of uplink R-PUCCH 13 significant characters eNB respectively with the #1-#13 symbol aligned in sub-frame of uplink.

R-PUCCH channel architecture shown in Fig. 7 (b) is applicable to the Backhaul Link sub-frame of uplink that RN need carry out sending out/receiving State Transferring, RN according to system configuration instruction relative to received BackhaulLink descending sub frame original position, initial time using certain Timing Advance as Backhaul Link sub-frame of uplink, makes the #0-#12 symbol aligned of 13 significant characters when eNB receives and in macrocell sub-frame of uplink sent in Backhaul Link sub-frame of uplink.Accordingly, in Backhaul Link sub-frame of uplink, end arranges one section of GP, carries out the conversion that RN sent out/received state, is set to: GP=#13 symbol lengths × T _s, i.e. GP=2192 × T _ssecond.Here, because one section of GP takies a complete symbol lengths, then the timing relationship of Backhaul Link sub-frame of uplink is for shifting to an earlier date N relative to the original position of the Backhaul Link descending sub frame received by RN _r-TA× T _ssecond is as the start time of Backhaul Link sub-frame of uplink.Be Backhaul Link sub-frame of uplink at the continuous multiple sub-frame of uplink of system configuration, to last Backhaul Link sub-frame of uplink, RN adopts the structure shown in Fig. 7 (b) to process ascending control information to be reported, be carried in distributed R-PUCCH resource, shift to an earlier date N in the original position relative to received Backhaul Link descending sub frame _r-TA× T _ssecond is as the start time of Backhaul Link sub-frame of uplink, the #13 symbol at subframe end is as GP, for the conversion sending out/receive state of RN, the significant character of R-PUCCH from #0 sign-on in subframe, make the #0 symbol of R-PUCCH when eNB receives and the #0 symbol aligned of macrocell sub-frame of uplink, thereafter the significant character of R-PUCCH is followed successively by, until #12 symbol, #13 is GP, then in BackhaulLink sub-frame of uplink R-PUCCH 13 significant characters eNB respectively with the #0-#12 symbol aligned in sub-frame of uplink.

During system employing Extended CP

Be similar to situation during normal CP, if system configuration is Backhaul Link sub-frame of uplink to RN subframe, and the previous subframe of this subframe and a rear subframe are Access Link sub-frame of uplink, then RN starting position in this Backhaul Link sub-frame of uplink and end position need arrange one section of GP for receiving/sending out and send out/receive the conversion of state, as shown in Fig. 8 (c) He 8 (d) respectively.The Backhaul Link sub-frame of uplink timing relationship that R-PUCCH channel architecture shown in Fig. 8 (c) is applicable to system configuration instruction is the situation postponing skew offset, namely RN according to system configuration instruction relative to received BackhaulLink descending sub frame original position, initial time using certain Timing Advance as Backhaul Link sub-frame of uplink, makes the #1-#11 symbol aligned of 11 significant characters when eNB receives and in macrocell sub-frame of uplink sent in Backhaul Link sub-frame of uplink.Accordingly, the two sections of GP contained in Backhaul Link sub-frame of uplink are set to: arrange one section of GP after last significant character comprised in Backhaul Link sub-frame of uplink, be designated as GP ₂, and GP ₂=N _offset× T _ssecond, the starting position in subframe arranges one section of GP, is designated as GP ₁, the length due to two sections of GP sums equals #0 length, i.e. GP ₁=(#0 symbol lengths-N _offset) × T _ssecond, wherein, time quantum T _s=1/ (15000 × 2048).Be Backhaul Link sub-frame of uplink at the some sub-frame of uplink of system configuration, and timing relationship is when postponing skew offset, RN adopts the structure shown in Fig. 8 (c) to process ascending control information to be reported, be carried in distributed R-PUCCH resource, the start time of certain Timing Advance as Backhaul Link sub-frame of uplink is shifted to an earlier date in the original position relative to received Backhaul Link descending sub frame, the i.e. beginning of first paragraph GP in subframe, GP ₁=(2560-N _offeet) × T _ssecond, for the conversion of the receipts/hair-like state of RN, after this section of GP, start to transmit first significant character in Backhaul Link sub-frame of uplink, i.e. #1 symbol, make the #1 symbol of R-PUCCH when eNB receives and the #1 symbol aligned of macrocell sub-frame of uplink, thereafter be followed successively by the significant character of R-PUCCH, finally second segment GP be set at the end of sub-frame of uplink, GP ₂=N _offset× T _ssecond, at GP ₂interior RN completes and sends out/receive the conversion of state, then in Backhaul Link sub-frame of uplink R-PUCCH 11 significant characters eNB respectively with the #1-#11 symbol aligned in sub-frame of uplink.

Similar, the Backhaul Link sub-frame of uplink timing relationship that R-PUCCH channel architecture shown in Fig. 8 (d) is applicable to system configuration instruction is the situation of advance offset offset, namely RN according to system configuration instruction relative to received Backhaul Link descending sub frame original position, initial time using certain Timing Advance as Backhaul Link sub-frame of uplink, makes the #0-#10 symbol aligned of 11 significant characters when eNB receives and in macrocell sub-frame of uplink sent in Backhaul Link sub-frame of uplink.Accordingly, the two sections of GP contained in Backhaul Link sub-frame of uplink are set to: start in Backhaul Link sub-frame of uplink to arrange one section of GP, be designated as GP ₁, and GP ₁=N _offset× T _ssecond, one section of GP is set after last significant character in subframe, is designated as GP ₂, the length due to two sections of GP sums equals #11 length, i.e. GP ₂=(#11 symbol lengths-N _offset) × T _ssecond.Be Backhaul Link sub-frame of uplink at the some sub-frame of uplink of system configuration, and timing relationship is when being advance offset offset, RN adopts the structure shown in Fig. 7 (d) to process ascending control information to be reported, be carried in distributed R-PUCCH resource, the start time of certain Timing Advance as Backhaul Link sub-frame of uplink is shifted to an earlier date in the original position relative to received Backhaul Link descending sub frame, the i.e. beginning of first paragraph GP in subframe, GP ₁=N _offset× T _ssecond, for the conversion of the receipts/hair-like state of RN, after this section of GP, start to transmit first significant character in Backhaul Link sub-frame of uplink, i.e. #0 symbol, make the #0 symbol of R-PUCCH when eNB receives and the #0 symbol aligned of macrocell sub-frame of uplink, thereafter be followed successively by the significant character of R-PUCCH, finally second segment GP be set at the end of sub-frame of uplink, be designated as GP ₂, and GP ₂=(#11 symbol lengths-N _offset) × T _ssecond, i.e. GP ₂=(2560-N _offset) × T _s, at GP ₂interior RN completes and sends out/receive the conversion of state, then in Backhaul Link sub-frame of uplink R-PUCCH 11 significant characters eNB respectively with the #0-#10 symbol aligned in sub-frame of uplink.

When the multiple sub-frame of uplink of system configuration instruction RN continuous print is Backhaul Link sub-frame of uplink, and this multiple subframe previous and a subframe is Access Link sub-frame of uplink afterwards time, in configured continuous multiple Backhaul Link sub-frame of uplink, in first sub-frame of uplink RN need carry out receiving/send out State Transferring, in last sub-frame of uplink, RN need carry out sending out/receive State Transferring, and corresponding R-PUCCH channel architecture is respectively as shown in Fig. 8 (a) He 8 (b).

R-PUCCH channel architecture shown in Fig. 8 (a) is applicable to the Backhaul Link sub-frame of uplink that RN need carry out receiving/sending out State Transferring, RN according to system configuration instruction relative to received BackhaulLink descending sub frame original position, initial time using certain Timing Advance as Backhaul Link sub-frame of uplink, makes the #1-#11 symbol aligned of 11 significant characters when eNB receives and in macrocell sub-frame of uplink sent in Backhaul Link sub-frame of uplink.Accordingly, in Backhaul Link sub-frame of uplink, starting position arranges one section of GP, carries out the conversion of RN receipts/hair-like state, is set to: GP=#0 symbol lengths × T _ssecond, i.e. GP=2560 × T _ssecond.Here, because one section of GP takies a complete symbol lengths, then the timing relationship of BackhaulLink sub-frame of uplink is for shifting to an earlier date N relative to the original position of the Backhaul Link descending sub frame received by RN _r-TA× T _ssecond is as the start time of Backhaul Link sub-frame of uplink.Be Backhaul Link sub-frame of uplink at the continuous multiple sub-frame of uplink of system configuration, to first Backhaul Link sub-frame of uplink, RN adopts the structure shown in Fig. 8 (a) to process ascending control information to be reported, be carried in distributed R-PUCCH resource, shift to an earlier date N in the original position relative to received Backhaul Link descending sub frame _r-TA× T _ssecond is as the start time of Backhaul Link sub-frame of uplink, #0 symbol is as GP, for the conversion of the receipts/hair-like state of RN, from the significant character that #1 sign-on is R-PUCCH, make the #1 symbol of R-PUCCH when eNB receives and the #1 symbol aligned of macrocell sub-frame of uplink, thereafter be followed successively by the significant character of R-PUCCH, then in Backhaul Link sub-frame of uplink R-PUCCH 11 significant characters eNB respectively with the #1-#11 symbol aligned in sub-frame of uplink.

R-PUCCH channel architecture shown in Fig. 8 (b) is applicable to the Backhaul Link sub-frame of uplink that RN need carry out sending out/receiving State Transferring, RN according to system configuration instruction relative to received BackhaulLink descending sub frame original position, initial time using certain Timing Advance as Backhaul Link sub-frame of uplink, makes the #0-#10 symbol aligned of 11 significant characters when eNB receives and in macrocell sub-frame of uplink sent in Backhaul Link sub-frame of uplink.Accordingly, in Backhaul Link sub-frame of uplink, end arranges one section of GP, carries out the conversion that RN sent out/received state, is set to: GP=#11 symbol lengths × T _s, i.e. GP=2560 × T _ssecond.Here, because one section of GP takies a complete symbol lengths, then the timing relationship of Backhaul Link sub-frame of uplink is for shifting to an earlier date N relative to the original position of the Backhaul Link descending sub frame received by RN _r-TA× T _ssecond is as the start time of Backhaul Link sub-frame of uplink.Be Backhaul Link sub-frame of uplink at the continuous multiple sub-frame of uplink of system configuration, to last Backhaul Link sub-frame of uplink, RN adopts the structure shown in Fig. 8 (b) to process ascending control information to be reported, be carried in distributed R-PUCCH resource, shift to an earlier date N in the original position relative to received Backhaul Link descending sub frame _r-TA× T _ssecond is as the start time of Backhaul Link sub-frame of uplink, the #11 symbol at subframe end is as GP, for the conversion sending out/receive state of RN, the significant character of R-PUCCH from #0 sign-on in subframe, make the #0 symbol of R-PUCCH when eNB receives and the #0 symbol aligned of macrocell sub-frame of uplink, thereafter the significant character of R-PUCCH is followed successively by, until #10 symbol, #11 is GP, then in BackhaulLink sub-frame of uplink R-PUCCH 11 significant characters eNB respectively with the #0-#10 symbol aligned in sub-frame of uplink.

In a particular application, realizing the above-mentioned mode to the process of Backhaul Link ascending control channel has multiple, for Fig. 7 (a), 7 (b), Fig. 8 (a), 8 (b), owing to arranging one section of GP in Backhaul Link sub-frame of uplink, and length is a complete symbol lengths, the transmission timing advance relation of Backhaul Link sub-frame of uplink is only relevant to the signal propagation time brought due to space length between RN and affiliated eNB.Therefore, RN is obtaining affiliated eNB to propagation delay Parameter N _r-TAconfiguration instruction after, shift to an earlier date N in the original position relative to the Backhaul Link descending sub frame received by RN _r-TA× T _ssecond, Timing Advance was N here as the start time of BackhaulLink sub-frame of uplink _r-TA× T _ssecond.For Fig. 7 (c), 7 (d), Fig. 8 (c), 8 (d), what Backhaul Link sub-frame of uplink sent Timing Advance defines diverse ways, one or more relevant specifically to following parameter, comprising: N _r-TA, N _offset, N _a.Wherein, timing offset Parameter N _offset, be to RN send out/receive or receive/send out relevant parameter change-over time, value is positive integer.N _offsetthe determination of value can indicate RN by eNB by signal deployment, or determines value by default, or selects certain numerical value by RN oneself.Timing Advance Parameter N _a, refer to, relative to the original position of the Backhaul Link descending sub frame received by RN, start the Timing Advance sending Backhaul Link sub-frame of uplink.According to the different configuration modes of the above-mentioned parameter of system, RN adopts corresponding method to process R-PUCCH channel, is described below for Fig. 9 to 13.

It is the processing mode schematic diagram of the backhaul link uplink control channel of the embodiment of the present invention one see Fig. 9, Fig. 9.In Fig. 9, system adopts Normal CP, N _offsetfor certain fixed numbers of default, be positive integer, get N here _offset=614, system configuration Backhaul Link sub-frame of uplink are with advance offset amount N _offsetmode transmit, eNB is with high-level signaling or other signaling method instruction RN propagation delay Parameter N _r-TA.It is Backhaul sub-frame of uplink that eNB configures certain subframe, and the adjacent sub-frame of uplink in front and back is Access Link sub-frame of uplink, and for RN configures RB to as R-PUCCH resource on this sub-frame of uplink, RB to frequency hopping between slot, for carrying ascending control information.

RN indicates according to above-mentioned configuration, in Backhaul Link sub-frame of uplink, adopt the R-PUCCH channel architecture shown in Fig. 7 (d) to process ascending control information to be reported, be carried on the RB that distributes for R-PUCCH to upper, at (the N in advance of the original position relative to received Backhaul Link descending sub frame _r-TA+ N _offset) × T _ssecond as start time of Backhaul Link sub-frame of uplink, i.e. the beginning of first paragraph GP in subframe, and GP ₁=N _offset× T _ssecond, for the conversion of the receipts/hair-like state of RN, after this section of GP, start to transmit first significant character in Backhaul Link sub-frame of uplink, i.e. #0 symbol, make the #0 symbol of R-PUCCH when eNB receives and the #0 symbol aligned of macrocell sub-frame of uplink, thereafter be followed successively by the significant character of R-PUCCH, finally second segment GP be set at the end of sub-frame of uplink, and GP ₂=(#13 symbol lengths-N _offset) × T _ssecond, i.e. GP ₂=(2192-N _offset) × T _s, in GP2, RN completes and sends out/receive the conversion of state, then in Backhaul Link sub-frame of uplink R-PUCCH 13 significant characters eNB respectively with the #0-#12 symbol aligned in sub-frame of uplink.When ascending control information to be reported is ACK/NACKK information, as shown in Fig. 9 (a), the carrying of ACK/NACK information is mapped to the #0 of configured Backhaul Link sub-frame of uplink by RN, #1, #5, on #6, #7, #8, #12 symbol, #2, #3, #4, #9, #10, #11 symbol is then for mapping RS.When ascending control information to be reported is CQI/PMI/RI information, as shown in Fig. 9 (b), the carrying of CQI/PMI/RI information is mapped to #0, #2, #3 of configured Backhaul Link sub-frame of uplink by RN, on #4, #6, #7, #9, #10, #11 symbol, #1, #5, #8, #12 symbol maps RS.

It is the processing mode schematic diagram of the backhaul link uplink control channel of the embodiment of the present invention two see Figure 10, Figure 10.In Figure 10, system adopts Extended CP, N _offsetfor certain fixed numbers of default, be positive integer, get N here _offset=500, system configuration Backhaul Link sub-frame of uplink are to postpone side-play amount N _offsetmode transmit, eNB is with high-level signaling or other signaling method instruction RN propagation delay Parameter N _r-TA.ENB configuration instruction RN subframe is Backhaul sub-frame of uplink, the adjacent sub-frame of uplink in front and back is AccessLink sub-frame of uplink, and for RN configures RB to as R-PUCCH resource on this sub-frame of uplink, RB to frequency hopping between slot, for carrying ascending control information.

RN indicates according to above-mentioned configuration, in Backhaul Link sub-frame of uplink, adopt the structure shown in Fig. 8 (c) to process ascending control information to be reported, be carried in distributed R-PUCCH resource, at (the N in advance of the original position relative to received Backhaul Link descending sub frame _r-TA-N _offset) × T _ssecond as start time of Backhaul Link sub-frame of uplink, i.e. the beginning of first paragraph GP in subframe, and GP ₁=(#0 symbol lengths-N _offset) × T _ssecond, i.e. (2560-N _offset) × T _ssecond, for the conversion of the receipts/hair-like state of RN, after this section of GP, start to transmit first significant character in Backhaul Link sub-frame of uplink, i.e. #1 symbol, make the #1 symbol of R-PUCCH when eNB receives and the #1 symbol aligned of macrocell sub-frame of uplink, thereafter be followed successively by the significant character of R-PUCCH, finally second segment GP be set at the end of sub-frame of uplink, and GP ₂=N _offset× T _ssecond, in GP2, RN completes and sends out/receive the conversion of state, then in Backhaul Link sub-frame of uplink R-PUCCH 11 significant characters eNB respectively with the #1-#11 symbol aligned in sub-frame of uplink.When ascending control information to be reported is ACK/NACKK information, as shown in Figure 10 (a), the carrying of ACK/NACK information is mapped to #1, #4 of configured Backhaul Link sub-frame of uplink by RN, on #5, #6, #7, #10, #11 symbol, #2, #3, #8, #9 symbol maps RS.When ascending control information to be reported is CQI/PMI/RI information, as shown in Figure 10 (b), the carrying of CQI/PMI/RI information is mapped to #1, #2, #4 of configured Backhaul Link sub-frame of uplink by RN, Bearer Channel quality report on #5, #6, #7, #8, #10, #11 symbol, #3, #9 symbol maps RS.

It is the processing mode schematic diagram of the backhaul link uplink control channel of the embodiment of the present invention three see Figure 11, Figure 11.In Figure 11, system adopts Normal CP, N _offsetfor certain fixed numbers of default or by eNB by signaling RN value, be positive integer, get N here _offset=700, system configuration Backhaul Link sub-frame of uplink are to postpone side-play amount N _offsetmode transmit, eNB is using high-level signaling or other signaling method instruction RN as the N of Timing Advance parameter _a.ENB configuration instruction RN subframe is Backhaul sub-frame of uplink, the adjacent sub-frame of uplink in front and back is Access Link sub-frame of uplink, and for RN configures RB to as R-PUCCH resource on this sub-frame of uplink, RB to frequency hopping between slot, for carrying ascending control information.

RN indicates according to the configuration of eNB, shifts to an earlier date N in the original position relative to received Backhaul Link descending sub frame _a× T _ssecond as start time of Backhaul Link sub-frame of uplink, i.e. the beginning of first paragraph GP in subframe, and GP ₁=(#0 symbol lengths one N _offset) × T _ssecond, i.e. (2208-N _offset) × T _ssecond, for the conversion of the receipts/hair-like state of RN, after this section of GP, start to transmit first significant character in Backhaul Link sub-frame of uplink, i.e. #1 symbol, make the #1 symbol of R-PUCCH when eNB receives and the #1 symbol aligned of macrocell sub-frame of uplink, thereafter be followed successively by the significant character of R-PUCCH, finally second segment GP be set at the end of sub-frame of uplink, be designated as GP ₂, and GP ₂=N _offset× T _ssecond, at GP ₂interior RN completes and sends out/receive the conversion of state, then in Backhaul Link sub-frame of uplink R-PUCCH 13 significant characters eNB respectively with the #1-#13 symbol aligned in sub-frame of uplink.RN is according to above-mentioned configuration, and CQI/PMI/RI information to be reported carrying is mapped to #2, #3 of configured Backhaul Link sub-frame of uplink, on #4, #6, #7, #9, #10, #11, #13 symbol, #1, #5, #8, #12 symbol is then for mapping RS; And according to timing relationship configuration, in advance N _a× T _ssecond carries out up transmitting to eNB.

See the ascending control information processing mode schematic diagram that Figure 12, Figure 12 are the embodiment of the present invention four.In Figure 12, system adopts Extended CP, configuration instruction RN subframe is Backhaul sub-frame of uplink, the adjacent sub-frame of uplink in front and back is Access Link sub-frame of uplink, and for RN configures RB to as R-PUCCH resource on this sub-frame of uplink, RB to not frequency hopping between slot, for carrying ascending control information.N _offsetreceive for RN according to self/send out or send out/receive certain value of determining of conversion required time, being positive integer, getting N here _offset=614, system configuration Backhaul Link sub-frame of uplink are with advance offset amount N _offsetmode transmit, eNB is with high-level signaling or other signaling method instruction RN propagation delay Parameter N _r-TA.

RN indicates according to the configuration of eNB, at (the N in advance of the original position relative to received Backhaul Link descending sub frame _r-TA+ N _offset) × T _ssecond as start time of Backhaul Link sub-frame of uplink, i.e. the beginning of first paragraph GP in subframe, and GP ₁=N _offset× t _ssecond, for the conversion of the receipts/hair-like state of RN, after this section of GP, start to transmit first significant character in Backhaul Link sub-frame of uplink, i.e. #0 symbol, make the #0 symbol of R-PUCCH when eNB receives and the #0 symbol aligned of macrocell sub-frame of uplink, thereafter be followed successively by the significant character of R-PUCCH, finally second segment GP be set at the end of sub-frame of uplink, and GP ₂=(#11 symbol lengths-N _offset) × T _ssecond, namely at GP ₂=(2560-N _offset) × T _ssecond, at GP ₂interior RN completes and sends out/receive the conversion of state, then in Backhaul Link sub-frame of uplink R-PUCCH 11 significant characters eNB respectively with the #0-#10 symbol aligned in sub-frame of uplink.RN is according to above-mentioned configuration, and CQI/PMI/RI information to be reported carrying is mapped to the #0 of configured Backhaul Link sub-frame of uplink, #1, #2, #4, on #5, #6, #7, #8, #10 symbol, #3, #9 symbol is then for mapping RS; And according to timing relationship configuration, in advance (N _r-TA+ N _offset) × T _ssecond carries out up transmitting to eNB.

See the ascending control information processing mode schematic diagram that Figure 13, Figure 13 are the embodiment of the present invention five.In Figure 13, system adopts Normal CP, continuous two subframes of configuration instruction RN are Backhaul sub-frame of uplink, the adjacent sub-frame of uplink in front and back is Access Link sub-frame of uplink, and on 2 sub-frame of uplink, be respectively RN configure RB to as R-PUCCH resource, RB is to frequency hopping between slot, the R-PUCCH resource of first BackhaulLink sub-frame of uplink of configuration is used for loading ACK/nack message, and the R-PUCCH resource of second BackhaulLink sub-frame of uplink is for carrying CQI/PMI/RI information.ENB is by high-level signaling or other signaling methods configuration instruction Backhaul Link sub-frame of uplink propagation delay Parameter N _r-TA.

RN indicates according to the configuration of eNB, a period of time interval is set in Backhaul Link sub-frame of uplink as GP, length is a symbol lengths, and be specifically positioned at GP on first distributed Backhaul Link sub-frame of uplink and be positioned at the starting position of subframe, length is GP=#0 symbol lengths × T _s, i.e. GP=2208 × T _s; On distributed second Backhaul Link sub-frame of uplink, GP is positioned at the end position of subframe, and length is GP=#13 symbol lengths × T _s, i.e. GP=2192 × T _s.

RN, according to above-mentioned configuration, shifts to an earlier date N in the original position relative to received Backhaul Link descending sub frame _r-TA× T _ssecond is as the start time of Backhaul Link sub-frame of uplink, in first BackhaulLink sub-frame of uplink, #0 character position is GP, for the conversion of the receipts/hair-like state of RN, after this section of GP, start to transmit first significant character, i.e. #1 symbol in Backhaul Link sub-frame of uplink, make the #1 symbol of R-PUCCH when eNB receives and the #1 symbol aligned of macrocell sub-frame of uplink, thereafter the significant character of R-PUCCH is followed successively by, until subframe terminates.Then in this Backhaul Link sub-frame of uplink R-PUCCH 13 significant characters eNB respectively with the #1-#13 symbol aligned in sub-frame of uplink.In second Backhaul Link sub-frame of uplink, #13 character position is GP, for the conversion sending out/receive state of RN, in this subframe, the #0 symbol of R-PUCCH is when eNB receives and the #0 symbol aligned of macrocell sub-frame of uplink, thereafter be followed successively by the significant character of R-PUCCH, then in this Backhaul Link sub-frame of uplink R-PUCCH 13 significant characters eNB respectively with the #0-#12 symbol aligned in sub-frame of uplink.The carrying of ACK/NACK information is mapped to #1 by be reported by RN on distributed first Backhaul Link sub-frame of uplink, and on #5, #6, #7, #8, #12, #13 symbol, #2, #3, #4, #9, #10, #11 symbol is then for mapping RS; The carrying of CQI/PMI/RI information is mapped to #0 by distributed second Backhaul Link sub-frame of uplink, #2, #3, on #4, #6, #7, #9, #10, #11 symbol, #1, #5, #8, #12 symbol is then for mapping RS, and according to timing relationship configuration, in advance N _r-TA× T _ssecond carries out up transmitting to eNB.

Known in conjunction with above description, ascending control information handling process of the present invention can simplify as shown in figure 14.Be ascending control information handling process sketch of the present invention see Figure 14, Figure 14, this flow process comprises the following steps:

Step 1410: receive the configuration information being used to indicate the transmission of Backhaul Link uplink information, comprise Backhaul Link sub-frame of uplink, the timing relationship of Backhaul Link sub-frame of uplink relative to downlink subframes in return link and the resource of Backhaul Link Physical Uplink Control Channel.

Step 1420: adopt the Physical Uplink Control Channel structure corresponding with the configuration information received to carry out carrying to ascending control information and process.

Step 1430: in distributed backhaul link resource, carries out up transmitting according to configured timing relationship to the ascending control information completing carrying process.

In order to ensure that above-mentioned technology contents can realize smoothly, setting as shown in figure 15 can be carried out.See the ascending control information treatment system figure that Figure 15, Figure 15 are one embodiment of the invention, this system comprises connected configuration information receiving element, ascending control information processing unit, transmitter unit; Ascending control information processing unit comprises timing relationship dispensing unit, frame structure dispensing unit, the resource configuration unit that can be connected successively or be connected between two.

Wherein, configuration information receiving element can receive the configuration information being used to indicate the transmission of Backhaul Link uplink information, comprises Backhaul Link sub-frame of uplink, the timing relationship of Backhaul Link sub-frame of uplink relative to Backhaul Link descending sub frame and the resource of Backhaul Link Physical Uplink Control Channel; And the above-mentioned configuration information received can be sent to ascending control information processing unit.Timing relationship dispensing unit in ascending control information processing unit can receive the timing relationship configuration information of Backhaul Link sub-frame of uplink relative to Backhaul Link descending sub frame, and is required to send to frame structure dispensing unit by the frame structure corresponding to this timing relationship configuration information; Resource configuration unit can receive the resource allocation information of Backhaul Link Physical Uplink Control Channel, and is required to send to frame structure dispensing unit by the frame structure corresponding to this resource allocation information; Frame structure dispensing unit can receive Backhaul Link sub-frame of uplink configuration information and the configuration information from timing relationship dispensing unit, resource configuration unit, and then the R-PUCCH channel architecture corresponding with the configuration information received can be adopted to carry out carrying to ascending control information process, and the ascending control information completing carrying process is sent to transmitter unit.Transmitter unit in the respective resources of distributed Backhaul Link, according to the timing relationship of configuration, can carry out up transmitting to the ascending control information completing carrying process received.

It should be noted that, visible from the above description, N _offsetcan determine in several ways, as: by default for certain fixed numbers or by eNB by signaling RN to be defined as certain value, or RN receives according to self/sends out or sends out/receive certain value of determining of conversion required time.

Visible in sum, no matter be method or system, Backhaul Link ascending control channel treatment technology of the present invention, all can ensure the effective transmission on ascending control information Backhaul Link, and can improve efficiency of transmission.

The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims

1. a backhaul link uplink control channel processing method, is characterized in that, the method comprises:

Relay station RN receives the configuration information being used to indicate the transmission of back haul link Backhaul Link uplink information, comprises the configuration of Backhaul Link sub-frame of uplink, the timing relationship configuration of Backhaul Link sub-frame of uplink relative to Backhaul Link descending sub frame and the resource distribution of Backhaul Link Physical Uplink Control Channel R-PUCCH;

The R-PUCCH channel architecture corresponding with the configuration information received is adopted to process ascending control information; And in distributed Backhaul Link resource, send to eNB according to configured timing relationship by up for ascending control information;

Wherein, described R-PUCCH comprises guard time interval GP and significant character; GP is used for RN to carry out receiving/sending out or send out/receive State Transferring, and significant character refers to single-carrier frequency division multiple access SC-FDMA symbol or orthogonal frequency division multiplex OFDM symbol, for carrying ascending control information UCI and pilot tone RS.

2. method according to claim 1, is characterized in that, when adopting general cyclic prefix Normal CP, described R-PUCCH channel architecture is:

3. method according to claim 2, is characterized in that, when ascending control information to be reported is ACK/NACK information, #2, #3, #4, #9, #10, #11 symbol in described significant character is for mapping RS; When ascending control information to be reported is CQI/PMI/RI information, #1, #5, #8, #12 symbol in described symbol is for mapping RS.

4. method according to claim 1, is characterized in that, described R-PUCCH comprises GP and significant character, and GP is used for RN to carry out receiving/sending out or send out/receive State Transferring, and significant character refers to SC-FDMA symbol or OFDM symbol, for carrying UCI and RS; When adopting extended cyclic prefix Extended CP, described R-PUCCH channel architecture is:

5. method according to claim 4, is characterized in that, when ascending control information to be reported is ACK/NACKK information, #2, #3, #8, #9 symbol in described symbol is for mapping RS; When ascending control information to be reported is CQI/PMI/RI information, #3, #9 symbol in described symbol is for mapping RS.

6. the method according to claim 1,2 or 4, is characterized in that, described Backhaul Link sub-frame of uplink configures or several acquisitions by following parameter relative to the timing relationship of Backhaul Link descending sub frame: timing offset Parameter N _offset, Timing Advance Parameter N _a, propagation delay Parameter N _r-TA, and N _offset, N _a, N _r-TAvalue is positive integer,

7. the method according to claim 1,2 or 4, is characterized in that, adopts described R-PUCCH structure to comprise the process that ascending control information processes: at (the N in advance of the original position relative to received Backhaul Link descending sub frame _r-TA+ N _offset) × T _ssecond as start time of Backhaul Link sub-frame of uplink, and,

8. the method according to claim 1,2 or 4, is characterized in that, adopts described R-PUCCH structure to comprise the process that ascending control information processes: at (the N in advance of the original position relative to received Backhaul Link descending sub frame _r-TA-N _offset) × T _ssecond as start time of Backhaul Link sub-frame of uplink, and,

9. the method according to claim 1,2 or 4, is characterized in that, adopts described R-PUCCH structure to comprise the process that ascending control information processes: shift to an earlier date N in the original position relative to received Backhaul Link descending sub frame _a× T _ssecond as start time of Backhaul Link sub-frame of uplink, and,

10. the method according to claim 1,2 or 4, is characterized in that, adopts described R-PUCCH structure to comprise the process that ascending control information processes: shift to an earlier date N in the original position relative to received Backhaul Link descending sub frame _a× T _ssecond as start time of Backhaul Link sub-frame of uplink, and,

11. methods according to claim 1,2 or 4, is characterized in that, adopt described R-PUCCH structure to comprise the process that ascending control information processes: shift to an earlier date N in the original position relative to received Backhaul Link descending sub frame _r-TA× T _ssecond as start time of Backhaul Link sub-frame of uplink, and,

12. methods according to claim 1,2 or 4, is characterized in that, adopt described R-PUCCH structure to comprise the process that ascending control information processes: shift to an earlier date N in the original position relative to received Backhaul Link descending sub frame _r-TA× T _ssecond as start time of Backhaul Link sub-frame of uplink, and,

13. 1 kinds of backhaul link uplink control channel treatment systems, is characterized in that, this system comprises connected configuration information receiving element, ascending control information processing unit, transmitter unit; Wherein,

Described configuration information receiving element, for receiving the configuration information of instruction Backhaul Link uplink information transmission, comprise Backhaul Link sub-frame of uplink, the timing relationship of Backhaul Link sub-frame of uplink relative to Backhaul Link downlink subframe and the resource of Backhaul Link Physical Uplink Control Channel R-PUCCH; And the above-mentioned configuration information received is sent to described ascending control information processing unit;

Described transmitter unit, for the respective resources at distributed Backhaul Link, according to the timing relationship of configuration, carries out up transmitting to the ascending control information completing carrying process received;

Wherein, described R-PUCCH comprises guard time interval GP and significant character; GP is used for relay station RN to carry out receiving/sending out or send out/receive State Transferring, and significant character refers to single-carrier frequency division multiple access SC-FDMA symbol or orthogonal frequency division multiplex OFDM symbol, for carrying ascending control information UCI and pilot tone RS.

14. systems according to claim 13, is characterized in that, described ascending control information processing unit comprises timing relationship dispensing unit, frame structure dispensing unit, resource configuration unit; Wherein,

15. systems according to claim 13 or 14, it is characterized in that, described R-PUCCH comprises GP and significant character, and GP is used for RN to carry out receiving/sending out or send out/receive State Transferring, significant character refers to SC-FDMA symbol or OFDM symbol, for carrying ascending control information UCI and pilot tone RS; When adopting general cyclic prefix Normal CP, described R-PUCCH channel architecture is:

16. systems according to claim 15, is characterized in that, when ascending control information to be reported is ACK/NACK information, #2, #3, #4, #9, #10, #11 symbol in described significant character is for mapping RS; When ascending control information to be reported is CQI/PMI/RI information, #1, #5, #8, #12 symbol in described symbol is for mapping RS.

17. systems according to claim 13 or 14, it is characterized in that, described R-PUCCH comprises GP and significant character, and GP is used for RN to carry out receiving/send out or send out/receipts State Transferring, and significant character refers to SC-FDMA symbol or OFDM symbol, for carrying UCI and RS; When adopting extended cyclic prefix Extended CP, described R-PUCCH channel architecture is:

18. systems according to claim 17, is characterized in that, when ascending control information to be reported is ACK/NACK information, #2, #3, #8, #9 symbol in described symbol is for mapping RS; When ascending control information to be reported is CQI/PMI/RI information, #3, #9 symbol in described symbol is for mapping RS.