CN102035633B - Method and device for processing HARQ uplink feedback information for backhaul link - Google Patents

Method and device for processing HARQ uplink feedback information for backhaul link Download PDF

Info

Publication number
CN102035633B
CN102035633B CN200910176394.5A CN200910176394A CN102035633B CN 102035633 B CN102035633 B CN 102035633B CN 200910176394 A CN200910176394 A CN 200910176394A CN 102035633 B CN102035633 B CN 102035633B
Authority
CN
China
Prior art keywords
feedback information
multiplexing
pucch
sequence
information sequence
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN200910176394.5A
Other languages
Chinese (zh)
Other versions
CN102035633A (en
Inventor
杨瑾
毕峰
梁枫
袁明
吴栓栓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Li Huichao
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN200910176394.5A priority Critical patent/CN102035633B/en
Priority to PCT/CN2010/077367 priority patent/WO2011038665A1/en
Publication of CN102035633A publication Critical patent/CN102035633A/en
Application granted granted Critical
Publication of CN102035633B publication Critical patent/CN102035633B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829Arrangements specially adapted for the receiver end
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812Hybrid protocols; Hybrid automatic repeat request [HARQ]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a method and a device for processing hybrid automatic repeat request (HARQ) uplink feedback information for a backhaul link. The device comprises an HARQ uplink feedback information generation module, a modulation module, a frequency domain expansion module and a time domain expansion module, wherein the HARQ uplink feedback information generation module is used for generating a piece of feedback information for received data, and coding to obtain a feedback information sequence, or generating a plurality of pieces of feedback information for a plurality of pieces of received data, coding to obtain a plurality of feedback information sequences, and multiplexing the plurality of feedback information sequences to obtain a multiplexed feedback information sequence. By the method and the device, the aim that a relay node (RN) loads the HARQ uplink feedback information to a relay-physical uplink control channel (R-PUCCH) and transmits the HARQ uplink feedback information to an evolved node B (eNB) can be effectively fulfilled, the transmission efficiency of the uplink feedback information of the backhaul link can be improved by fully using the channel condition of the backhaul link.

Description

Be used for processing method and the device of the HARQ uplink feedback information of back haul link
Technical field
The invention belongs to moving communicating field, relate in particular to a kind of processing method and device of mixed automatic retransfer request (Hybrid Automatic Repeat request, the HARQ) uplink feedback information (ACK/NACK) for back haul link (Backhaul Link).
Background technology
Relaying (Relay) technology as a kind of emerging technology, has caused more and more widely and has noted, has been regarded as the key technology of B3G/4G.Because future wireless system or cellular system require to improve the network coverage, support higher rate transmission, this has proposed new challenge to wireless communication technology.Meanwhile, 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 causing is thus more serious.By relaying technique, traditional one hop link can be divided into multiple multi-hop links, due to Distance Shortened, this will greatly reduce path loss, contribute to improve transmission quality, expand communication range, thereby provide quicker better service for user.
Introducing relay station (Relay Node, RN) in network, as shown in Figure 1, base station in network (eNB) and macrocell user (Macro User Equipment, M-UE) link between is called the link that direct transfers (Direct Link), link between base station and relay station is called back haul link, link between relay station and relay domain user (Relay User Equipment, R-UE) is called access link (Access Link).
In LTE system, between eNB and UE, need to set up HARQ process and feed back accordingly for the transmission of signal.When UE receives after the signal of eNB, generate the uplink feedback information to this HARQ process according to the receipt decoding situation of signal, correctly generate ACK feedback information as received, receive the incorrect NACK feedback information that generates, and by the up ACK/NACK information eNB that sends to.ENB is for further processing according to the feedback information receiving, if receive ACK, continues the new data of transmission, if receive NACK, the data that take defeat is transferred to UE again.
Direct transferring on link of LTE system, it is upper that ACK/NACK uplink feedback information is carried on Physical Uplink Control Channel (PUCCH, Physical Uplink Control Channel), is divided into PUCCH format1a/1b, as shown in Figure 2 and Figure 3.
In the time that system frame structure adopts general cyclic prefix (Normal Cyclic Prefix), each subframe contains 14 SC-FDMA (Single Carrier-Frequency Division Multiple Access, the multiplexing access of single carrier frequency division) symbol, as shown in Figure 2, be divided into 2 time slots (slot), on each slot, comprise 7 SC-FDMA symbols, between slot, carry out frequency hopping (Hopping).Fig. 2 (a) is ordinary construction, wherein #0, #1, #5, loading ACK/nack message on #6, #7, #8, #12, #13 symbol, on remaining #2, #3, #4, #9, #10, #11 symbol, shine upon pilot tone (RS, Reference Signal) signal, Fig. 2 (b) is for carry the Shortened structure of SRS (Sounding Reference Signal) simultaneously, wherein #0, #1, #5, loading ACK/nack message on #6, #7, #8, #12 symbol, #13 symbols carry SRS, shines upon pilot tone on remaining #2, #3, #4, #9, #10, #11 symbol.
In the time that system frame structure adopts extended cyclic prefix (Extended Cyclic Prefix), every subframe contains 12 SC-FDMA symbols, as shown in Figure 3, be divided into 2 slot, on each slot, comprise 6 SC-FDMA symbols, between slot, carry out frequency hopping (Hopping), Fig. 3 (a) is ordinary construction, #0 wherein, #1, #4, #5, #6, #7, #10, loading ACK/nack message on #11 symbol, remaining #2, #3, #8, on #9 symbol, shine upon RS signal, Fig. 3 (b) is Shortened structure, wherein #0, #1, #4, #5, #6, #7, loading ACK/nack message on #10 symbol, #11 symbols carry SRS, remaining #2, #3, #8, on #9 symbol, shine upon pilot tone.
On Direct Link, M-UE carries out, after the processing such as frequency domain expansion, time domain expansion, being mapped on distributed PUCCH physical resource according to system configuration to the ACK/NACK information generating, and at respective symbol position mapping RS, sends to eNB in addition.Simultaneously, eNB can distribute identical PUCCH physical resource to multiple UE, the frequency domain expansion index CS_index and the time domain expansion index OC_index that use due to each UE have orthogonality, ACK/NACK feedback information that can multiplexing multiple UE on identical PUCCH physical resource, relevant parameter and resource are distributed by eNB configuration indication UE.ENB UE to dispatch service in a subframe transmits a packet, and configuration indication is fed back relevant information to HARQ, be parameter and the resource distribution that ACK/NACK information processing is relevant, UE generates ACK/NACK information after receiving data, and according to configuration indication, the ACK/NACK information of self is processed the up eNB that is transmitted to.
M-UE processes the ACK/NACK information generating according to the configuration indication of eNB and corresponding account form, and step is as follows:
Step 10, configuration indication gets parms
M-UE obtains the configuration indication of eNB to PUCCH relevant parameter:
N pUCCH (1), for the PUCCH resource index number of loading ACK/NACK feedback information, by high-level signaling configuration indication;
N cs (1)in mixed RB (mixing Resource Block) for the CS_index quantity of PUCCH format 1/1a/1b, wherein mixed RB refers to be configured for and carries PUCCH format 1/1a/1b and PUCCH format 2/2a/2b, the i.e. RB of channel quality report information (Resource Block) simultaneously;
Δ shift pUCCH, the value interval of PUCCH format 1/1a/1b frequency domain expansion index CS_index, by high level configuration indication.
N rB (2), for the bandwidth of PUCCH format 2/2a/2b, take RB as unit, by high level configuration indication.
Step 20, obtains resource distribution
According to above-mentioned configuration parameter, M-UE can obtain according to corresponding computational methods the resource distribution of PUCCH format 1/1a/1b, as follows:
2a) calculate n pRB
First according to n pUCCH (1)can obtain RB that the PUCCH format 1/1a/1b channel of configuration is corresponding to call number m:
C be every slot for carrying the SC-FDMA symbolic number of RS, when when normal CP, c value is 3, extended CP, c value is 2, that is:
c = 3 fornormalCP 2 forextendedCP
Further, obtain the RB resource number n of actual physical resources configuration according to m pRB:
Figure G2009101763945D00041
Wherein, n sfor No. slot in radio frames; N sc rBfor the contained sub-carrier number of every RB; N rB uLfor the upstream bandwidth of system configuration, take RB as unit.
2b) calculate n ' (n s)
According to n pUCCH (1)calculate n ' (n s):
N swhen mod 2=0, i.e. first slot of each subframe
n &prime; ( n s ) = n PUCCH ( 1 ) if n PUCCH ( 1 ) < c &CenterDot; N cs ( 1 ) / &Delta; shift PUCCH ( n PUCCH ( 1 ) - c &CenterDot; N cs ( 1 ) / &Delta; shift PUCCH ) mod ( c &CenterDot; N sc RB / &Delta; shift PUCCH ) otherwise
N swhen mod 2=1, i.e. second of each subframe slot
Wherein, h = ( n &prime; ( n s - 1 ) + d ) mod ( cN &prime; / &Delta; shift PUCCH ) , D=2 when normal CP, d=0 when extended CP
N &prime; = N cs ( 1 ) if n PUCCH ( 1 ) < c &CenterDot; N cs ( 1 ) / N sc RB otherwise
2c) calculate n oc(n s)
According to n ' (n s) can further obtain orthogonal sequence call number (Sequence index) n oc(n s):
Figure G2009101763945D00046
According to n oc(n s) can obtain corresponding orthogonal sequence (Orthogonal sequences) in time domain expansion
Figure G2009101763945D00047
in the ordinary construction of PUCCH format 1/1a/1b, on 2 slot N SF PUCCH = 4 , In the Shortened structure of PUCCH format 1/1a/1b, on first slot N SF PUCCH = 4 , On second slot N SF PUCCH = 3 , Accordingly
Figure G2009101763945D000411
sequence is chosen as table 1, shown in table 2.
Table 1 orthogonal sequence [w (0) ... w (N sF pUCCH-1)] for N SF PUCCH = 4
Sequence index n oc(n s) Orthogonal sequences [w(0)…w(N SF PUCCH-1)]
0 [+1 +1 +1 +1]
1 [+1 -1 +1 -1]
2 [+1 -1 -1 +1]
Table 2 orthogonal sequence [w (0) ... w (N sF pUCCH-1)] for N SF PUCCH = 3 .
Sequence index n oc(n s) Orthogonal sequences [w(0)…w(N SF PUCCH-1)]
0 [1 1 1]
1 [1 e j2π/3 e j4π/3]
2 [1 e j4π/3 e j2π/3]
2d) calculate n cs(n s, l)
According to n ' (n s) can further obtain n cs(n s, l):
n cs ( n s , l ) = [ n cs cell ( n s , l ) + ( n &prime; ( n s ) &CenterDot; &Delta; shift PUCCH + ( n oc ( n s ) mod &Delta; shift PUCCH ) ) mod N sc RB ] mod N sc RB fornormalCP [ n cs cell ( n s , l ) + ( n &prime; ( n s ) &CenterDot; &Delta; shift PUCCH + n oc ( n s ) / 2 ) mod N sc RB ] mod N sc RB forextendedCP
Wherein, n cs cell ( n s , l ) = &Sigma; i = 0 7 c ( 8 N symb UL &CenterDot; n s + 8 l + i ) &CenterDot; 2 i , L is the SC-FDMA symbol number in each slot, N symb uLfor the SC-FDMA symbolic number comprising in each slot.
2e) calculate α (ns, l)
According to n cs(n s, l) can further obtain circulation offset alpha (n s, l):
&alpha; ( n s , l ) = 2 &pi; &CenterDot; n cs ( n s , l ) / N sc RB
Step 30, the processing mapping of ACK/NACK information
M-UE processes the ACK/NACK information generating according to above-mentioned resource distribution, and is finally mapped in distributed PUCCH resource, and step is as follows:
3a) coded modulation
M-UE encodes the ACK/NACK information of generation, and ACK is encoded to 1, NACK and is encoded to 0.The amount of information of ACK/NACK information b (i) after coding is 1 or 2bit, respectively through BPSK or QPSK be modulated to one oneself adjust symbol d (0), modulator approach is as shown in table 3:
Table 3 d (0) for PUCCH formats 1a and 1b.
Figure G2009101763945D00061
3b) frequency domain expansion
M-UE is according to system configuration parameter, and after modulating, information d (0) carries out frequency domain expansion processing:
y ( n ) = d ( 0 ) &CenterDot; r u , v ( &alpha; ) ( n ) , n = 0,1 , . . . , N seq PUCCH - 1
Wherein, cyclic shift length N seq PUCCH = 12 ; R u, v (α)(n) according to circulation offset parameter α (n s, l) obtain:
r u , v ( &alpha; ) ( n ) = e j&alpha;n r &OverBar; u , v ( n ) , 0 &le; n < M sc RS
R u, v(n) be basic sequence, M sc RS = N seq PUCCH .
3c) time domain expansion
z ( m &prime; &CenterDot; N SF PUCCH &CenterDot; N seq PUCCH + m &CenterDot; N seq PUCCH + n ) = S ( n s ) &CenterDot; w n oc ( m ) &CenterDot; y ( n )
Sequences y (0) after frequency domain expansion ..., y (N seq pUCCH-1) through time domain, expansion obtains z (i) wherein again,
m = 0 , . . . , N SF PUCCH - 1
n = 0 , . . . , N seq PUCCH - 1
m′=0,1
S ( n s ) = 1 if n &prime; ( n S ) mod 2 = 0 e j&pi; / 2 otherwise
3d) mapping
M-UE by z (i) sequence after time domain expansion according to first frequency domain after the order of time domain be filled into successively distributed RB to upper, finally complete the mapping of ACK/NACK information to physical resource.
On Backhaul Link, HARQ feedback information and Direct Link are different, the data of the descending RN of sending to of eNB comprise the data that are transferred to RN itself, and need the data of RN relaying to R-UE, simultaneously because Backhaul downlink data transmission can adopt different send modes, as transmitted multiple packets in a subframe, aggregated data bag transmission etc., make the HARQ feedback information of Backhaul Link different with the feedback information content of Direct Link possibility, may in a BackhaulLink sub-frame of uplink, report many tops ACK/NACK feedback information.On the other hand, because RN needs certain interval change-over time between the transmitting-receiving conversion of signal relay forwarding, RN is on the Backhaul Link sub-frame of uplink of configuration, the SC-FDMA symbolic number that can be actually used in uplink is less than the symbolic number that a subframe comprises, in the time of Normal CP, available symbols number is less than 14, when Extended CP, available symbols number is less than 12, and therefore the channel architecture of the Physical Uplink Control Channel of Backhaul Link (R-PUCCH) and PUCCH are also different.The above-mentioned information content is different from Physical Uplink Control Channel structure, and the processing of the ACK/NACK uplink feedback information of Backhaul Link cannot be carried out according to Direct Link method.
Summary of the invention
The present invention proposes a kind of processing method and device of the HARQ uplink feedback information for Backhaul Link, effectively realizing RN is carried on ACK/NACK uplink feedback information on R-PUCCH, to be transferred to eNB, and make full use of Backhaul link channel condition, improve the efficiency of transmission of Backhaul Link uplink feedback information.
In order to address the above problem, the invention provides a kind of processing method of the HARQ uplink feedback information for back haul link, comprise: HARQ uplink feedback information generates step, the data that receive are generated to a feedback information, coding obtains feedback information sequence, or, the multinomial data that receive are generated to multinomial feedback information, coding obtains multinomial feedback information sequence, and described multinomial feedback information sequence is carried out to the multiplexing feedback information sequence obtaining after multiplexing; Modulation step, to described feedback information sequence or multiplexing after feedback information sequence modulate, the feedback information sequence after being modulated; Frequency domain expansion step, carries out frequency domain expansion processing to the feedback information sequence after described modulation, obtains the complex-valued sequences after frequency domain expansion; Time domain spread step, carries out time domain extension process to the complex-valued sequences after described frequency domain expansion, obtains the complex-valued sequences after time-frequency expansion; Mapping step, is mapped to the complex-valued sequences after described time-frequency expansion on the Physical Uplink Control Channel physical resource of system configuration; Or, the complex-valued sequences after multiple time-frequency expansions is carried out to channel multiplexing, obtain multiplexed sequence, described multiplexed sequence is mapped on the Physical Uplink Control Channel physical resource of system configuration.
Further, said method also has following characteristics:
Described to multinomial feedback information sequence carry out information multiplexing one of refer to as follows carry out multiplexing: connect multiplexing, bind multiplexing and compress multiplexing, wherein: multiplexing the referring to of connecting, multinomial feedback information sequence multiplexing need is connected successively, form the feedback information sequence after multiplexing, the amount of information of the feedback information sequence after multiplexing equals the summation of the amount of information of this multinomial feedback information sequence; Bind multiplexing referring to, the identical information position of each feedback information sequence in multinomial feedback information sequence multiplexing need is carried out and operation, obtain the value of this information bit in the feedback information sequence after multiplexing, the amount of information of the feedback information sequence after wherein, multiplexing is identical with the feedback information sequence of amount of information maximum in this multinomial feedback information sequence; Compress multiplexing referring to, to each the feedback information sequence in the multiplexing multinomial feedback information sequence of need, all information bits of this feedback information sequence are carried out and operation, obtain a compressed value of this feedback information sequence, corresponding this multinomial feedback information sequence multiple compressed values series connection are obtained to the feedback information sequence after multiplexing, and the amount of information of the feedback information sequence after multiplexing equals the item number of multiplexing feedback information sequence.
Further, said method also has following characteristics:
Described complex-valued sequences after the expansion of multiple time-frequencies is carried out to channel multiplexing, obtains multiplexed sequence and specifically refer to:
Complex-valued sequences after k multiplexing time-frequency expansion is z k(i k), i k = 0,1 , . . . , N seq PUCCH &CenterDot; ( N SF , k R - PUCCH ( 0 ) + N SF , k R - PUCCH ( 1 ) ) - 1 , k=0,1,…,n-1;
And N SF , k R - PUCCH ( 0 ) = N SF , k R - PUCCH n s mod 2 = 0 N SF , k R - PUCCH ( 1 ) = N SF , k R - PUCCH n s mod 2 = 1
System is each z k(i k) configure corresponding multiplexing coefficient A k(j k)=0,1, j k = 0,1 , . . . , ( N SF , k R - PUCCH ( 0 ) + N SF , k R - PUCCH ( 1 ) ) - 1 , :
z k &OverBar; ( j k &CenterDot; N seq PUCCH + s ) = A k ( j k ) &CenterDot; z k ( j k &CenterDot; N seq PUCCH + s ) , s = 0,1 , . . . , N seq PUCCH - 1 ;
Obtain multiplexed sequence Z &OverBar; ( i ) = &Sigma; k = 0 n - 1 z k &OverBar; ( i ) , i = 0,1 , . . . , N seq PUCCH &CenterDot; MAX ( j k ) - 1 ;
Wherein, n is the number of carrying out the complex-valued sequences after the time-frequency expansion of channel multiplexing, n sfor the timeslot number in radio frames,
Figure G2009101763945D00096
according to the corresponding value of different channels structure choice of R-PUCCH.
Further, said method also has following characteristics:
Described HARQ uplink feedback information generates multinomial feedback information sequence described in step and refers to: relay station is several packets in same subframe transmission to base station, and/or relay station to base station several packets in the transmission of different subframes, and/or relay station is to the some sub data packets that comprise in the aggregated data bag of base-station transmission, the multinomial feedback information of generation.
Further, said method also has following characteristics:
In described mapping step, carry out complex-valued sequences after the multiple time-frequencies expansion of channel multiplexing from following multinomial feedback information: relay station is several packets in same subframe transmission to base station, and/or base station is at several packets of different subframe transmission, and/or the some sub data packets that comprise in the aggregated data bag of base-station transmission, the multinomial feedback information of generation.
Further, said method also has following characteristics:
In described frequency domain expansion step, feedback information sequence after using frequency domain expansion sequence to modulation is carried out frequency domain expansion processing, wherein, one or more definite described frequency domain expansion sequence according in following parameters: the cell ID of community, relay station place, system configuration is to the resource index n of the respective physical ascending control channel of relay station r-PUCCH (1), high-rise configuration parameter N cs (1), Δ shift pUCCH.
Further, said method also has following characteristics:
In described time domain spread step, carry out as follows time domain expansion:
z ( m &prime; &CenterDot; N SF R - PUCCH &CenterDot; N seq PUCCH + k &CenterDot; N seq PUCCH + n ) = S ( n s ) &CenterDot; w n oc ( k ) &CenterDot; y ( n )
Wherein,
Y (n) represents the complex-valued sequences after frequency domain expansion; N seq pUCCHcyclic shift length;
m′=0,1,
Figure G2009101763945D00101
Figure G2009101763945D00102
according to the corresponding value of different channels structure choice of R-PUCCH; k = 0 , . . . , N SF R - PUCCH - 1 ; Orthogonal sequence
Figure G2009101763945D00104
according to N sF r-PUCCHand system configuration parameter n r-PUCCH (1), N cs (1), Δ shift pUCCHobtain.
In order to solve the problems of the technologies described above, the present invention also provides a kind of processing unit of the uplink feedback information for back haul link, comprise: HARQ uplink feedback information generation module, for the data that receive are generated to a feedback information, coding obtains feedback information sequence, or, for the multinomial data that receive are generated to multinomial feedback information, coding obtains multinomial feedback information sequence, and described multinomial feedback information sequence is carried out to the multiplexing feedback information sequence obtaining after multiplexing; Modulation module, for to described feedback information sequence or multiplexing after feedback information sequence modulate, the feedback information sequence after being modulated; Frequency domain expansion module, carries out frequency domain expansion processing for the feedback information sequence to after described modulation, obtains the complex-valued sequences after frequency domain expansion; Time domain expansion module, carries out time domain extension process for the complex-valued sequences to after described frequency domain expansion, obtains the complex-valued sequences after time-frequency expansion; Mapping block, for being mapped to the complex-valued sequences after described time-frequency expansion the Physical Uplink Control Channel physical resource of system configuration; Or, for the complex-valued sequences after multiple time-frequency expansions is carried out to channel multiplexing, obtain multiplexed sequence, described multiplexed sequence is mapped on the Physical Uplink Control Channel physical resource of system configuration.
Further, said apparatus also has following characteristics:
HARQ uplink feedback information generation module, for one of as follows multinomial feedback information sequence being carried out to information multiplexing: connect multiplexing, bind multiplexing and compress multiplexing, wherein: multiplexing the referring to of connecting, multinomial feedback information sequence multiplexing need is connected successively, form the feedback information sequence after multiplexing, the amount of information of the feedback information sequence after multiplexing equals the summation of the amount of information of this multinomial feedback information sequence; Bind multiplexing referring to, the identical information position of each feedback information sequence in multinomial feedback information sequence multiplexing need is carried out and operation, obtain the value of this information bit in the feedback information sequence after multiplexing, the amount of information of the feedback information sequence after wherein, multiplexing is identical with the feedback information sequence of amount of information maximum in this multinomial feedback information sequence; Compress multiplexing referring to, to each the feedback information sequence in the multiplexing multinomial feedback information sequence of need, all information bits of this feedback information sequence are carried out and operation, obtain a compressed value of this feedback information sequence, corresponding this multinomial feedback information sequence multiple compressed values series connection are obtained to the feedback information sequence after multiplexing, and the amount of information of the feedback information sequence after multiplexing equals the item number of multiplexing feedback information sequence.
Further, said apparatus also has following characteristics:
Described mapping block, for as follows the complex-valued sequences after multiple time-frequency expansions being carried out to channel multiplexing, obtains multiplexed sequence:
Complex-valued sequences after k multiplexing time-frequency expansion is z k(i k), i k = 0,1 , . . . , N seq PUCCH &CenterDot; ( N SF , k R - PUCCH ( 0 ) + N SF , k R - PUCCH ( 1 ) ) - 1 , k=0,1,…,n-1;
And N SF , k R - PUCCH ( 0 ) = N SF , k R - PUCCH n s mod 2 = 0 N SF , k R - PUCCH ( 1 ) = N SF , k R - PUCCH n s mod 2 = 1
The system of obtaining is each z k(i k) configure corresponding multiplexing coefficient A k(j k)=0,1, j k = 0,1 , . . . , ( N SF , k R - PUCCH ( 0 ) + N SF , k R - PUCCH ( 1 ) ) - 1 , :
z k &OverBar; ( j k &CenterDot; N seq PUCCH + s ) = A k ( j k ) &CenterDot; z k ( j k &CenterDot; N seq PUCCH + s ) , s = 0,1 , . . . , N seq PUCCH - 1 ;
Obtain multiplexed sequence Z &OverBar; ( i ) = &Sigma; k = 0 n - 1 z k &OverBar; ( i ) , i = 0,1 , . . . , N seq PUCCH &CenterDot; MAX ( j k ) - 1 ;
Wherein, n is the number of carrying out the complex-valued sequences after the time-frequency expansion of channel multiplexing, n sfor the timeslot number in radio frames, according to the corresponding value of different channels structure choice of R-PUCCH.
Further, said apparatus also has following characteristics:
Described HARQ uplink feedback information generation module is used for generating following multinomial feedback information and carrying out information multiplexing: several packets to base station in same subframe transmission, and/or relay station to base station several packets in the transmission of different subframes, and/or relay station is to the some sub data packets that comprise in the aggregated data bag of base-station transmission, generates described multinomial feedback information.
Further, said apparatus also has following characteristics:
Described mapping block carries out channel multiplexing for using from the complex-valued sequences after multiple time-frequency expansions of following multinomial feedback information: several packets to base station in same subframe transmission, and/or base station is at several packets of different subframe transmission, and/or the some sub data packets that comprise in the aggregated data bag of base-station transmission, the multinomial feedback information of generation.
Further, said apparatus also has following characteristics:
Described frequency domain expansion module, carry out frequency domain expansion processing for the feedback information sequence after using frequency domain expansion sequence to modulation, wherein, one or more definite described frequency domain expansion sequence according in following parameters: the cell ID of community, relay station place, system configuration is to the resource index n of the respective physical ascending control channel of relay station r-PUCCH (1), high-rise configuration parameter N cs (1), Δ shift pUCCH.
Further, said apparatus also has following characteristics:
Described time domain expansion module, for carrying out as follows time domain expansion:
z ( m &prime; &CenterDot; N SF R - PUCCH &CenterDot; N seq PUCCH + k &CenterDot; N seq PUCCH + n ) = S ( n s ) &CenterDot; w n oc ( k ) &CenterDot; y ( n )
Wherein,
Y (n) represents the complex-valued sequences after frequency domain expansion; N seq pUCCHcyclic shift length;
m′=0,1,
Figure G2009101763945D00122
Figure G2009101763945D00123
according to the corresponding value of different channels structure choice of R-PUCCH; k = 0 , . . . , N SF R - PUCCH - 1 ; Orthogonal sequence
Figure G2009101763945D00125
according to N sF r-PUCCHand system configuration parameter n r-PUCCH (1), N cs (1), Δ shift pUCCHobtain.
The present invention proposes a kind of processing method and device of the ACK/NACK uplink feedback information for Backhaul Link, effectively realizing RN is carried on HARQ uplink feedback information on R-PUCCH, to be transferred to eNB, in addition, because Backhaul Link generally has the channel condition that is obviously better than Direct Link, and the up emissivities of RN are also better than UE, the present invention can make full use of Backhaul link channel condition, improves the efficiency of transmission of Backhaul Link uplink feedback information.
Accompanying drawing explanation
Fig. 1 is junction network structural representation;
Fig. 2 (a), Fig. 2 (b) are the PUCCH structural representations of loading ACK/nack message under normal CP in LTE system;
Fig. 3 (a), Fig. 3 (b) are the PUCCH structural representations of loading ACK/nack message under extended CP in LTE system;
Fig. 4 is that the RB of PUCCH in LTE system is to configuration schematic diagram;
R-PUCCH format 1 channel architecture one schematic diagram when Fig. 5 is Normal CP;
R-PUCCH format 1 channel architecture two schematic diagrames when Fig. 6 is Normal CP;
R-PUCCH format 1 channel architecture three schematic diagrames when Fig. 7 is Normal CP;
R-PUCCH format 1 channel architecture one schematic diagram when Fig. 8 is Extended CP;
R-PUCCH format 1 channel architecture two schematic diagrames when Fig. 9 is Extended CP;
R-PUCCH format 1 channel architecture three schematic diagrames when Figure 10 is Extended CP;
Figure 11 is the HARQ uplink feedback information process flow figure of the present invention for back haul link;
Figure 12 is embodiment mono-use figure;
Figure 13 is embodiment dual-purpose figure;
Figure 14 is embodiment tri-use figure;
Figure 15 is embodiment four-function figure;
Figure 16 is the HARQ uplink feedback information processing unit block diagram of the present invention for back haul link.
Embodiment
The R-PUCCH physical resource of eNB configuration indication RN, according to call number m obtain RB to resource with the PUCCH physical resource RB of M-UE to the same two ends in system bandwidth, R-PUCCH and PUCCH can configure multiplexing identical RB on, also can distribute independently RB to resource for R-PUCCH.
R-PUCCH channel architecture for loading ACK/nack message has multiple, in the time that system adopts normal CP, there are three kinds of structures, as shown in Figures 5 to 7, be called R-PUCCH format 1 channel architecture one, structure two, structure three under normal CP below, the physical resource distributing is the upper RB of each slot, and the RB configuring is to comprising altogether 14 SC-FDMA symbols, frequency hopping between slot, carries RS signal on #2, #3 in subframe, #4, #9, #10, #11 symbol.For structure one, #0 wherein, #13 symbol can not carrying signals due to transmitting-receiving interval change-over time of RN, #1, #5, loading ACK/nack message on #6, #7, #8, #12 symbol.For structure two, #13 symbol can not carrying signal due to transmitting-receiving interval change-over time of RN, #0, #1, #5, loading ACK/nack message on #6, #7, #8, #12 symbol.For structure three, #0 symbol can not carrying signal due to transmitting-receiving interval change-over time of RN, #1, #5, loading ACK/nack message on #6, #7, #8, #12, #13 symbol.
In the time that system adopts extended CP, there are three kinds of structures, as shown in Fig. 8 to Figure 10, be called R-PUCCH format 1 channel architecture one, structure two, structure three under extended CP below, the physical resource distributing is the upper RB of each slot, the RB configuring is to comprising altogether 12 SC-FDMA symbols, and frequency hopping between slot is carried RS signal on #2, #3 in subframe, #8, #9 symbol.For structure one, #0 wherein, #11 symbol can not carrying signals due to transmitting-receiving interval change-over time of RN, #1, #4, #5, loading ACK/nack message on #6, #7, #10 symbol.For structure two, #11 symbol wherein can not carrying signal due to transmitting-receiving interval change-over time of RN, #0, #1, #4, #5, loading ACK/nack message on #6, #7, #10 symbol.For structure three, #0 symbol wherein can not carrying signal due to transmitting-receiving interval change-over time of RN, #1, #4, #5, loading ACK/nack message on #6, #7, #10, #11 symbol.
As shown in figure 11, RN processes mapping according to the configuration indication of eNB to HARQ feedback information to the processing method of the HARQ uplink feedback information for back haul link provided by the invention, and step is as follows:
Step 1101, RN generates feedback information to the eNB downlink data receiving, and is encoded to the ACK/NACK feedback information b (i) of p bit, i=0,1 ..., p-1;
Step 1102, according to system configuration indication, RN is undertaken multiplexing by multinomial ACK/NACK information.
This step is optional step, if system configuration RN does not carry out information multiplexing, the feedback information in step 1101 is directly carried out to step 1103 and processes.
Wherein, described multinomial ACK/NACK information is:
RN is the multinomial feedback information in the corresponding generation of multiple packets of same subframe transmission to eNB;
RN is the multinomial feedback information in the corresponding generation of multiple packets of different subframe transmission to eNB;
The multinomial feedback information of RN to the corresponding generation of many sub data packets comprising in the aggregated data bag of eNB transmission;
Or, the mixing situation of above situation;
; relay station is several packets in same subframe transmission to base station; and/or relay station to base station several packets in the transmission of different subframes, and/or relay station is to the some sub data packets that comprise in the aggregated data bag of base-station transmission, the multinomial feedback information of generation.
Wherein: concrete multiplexing method has serial multiplex, Bundling (binding) is multiplexing and compression is multiplexing, wherein:
Multiplexing the referring to of connecting: multinomial feedback information sequence multiplexing need is connected successively, form the feedback information sequence after multiplexing;
Specifically, need the amount of information of multiplexing n item ACK/NACK information to be respectively p 0, p 1..., p n-1bit, connects this n item ACK/NACK information successively, forms multiplexing ACK/NACK information sequence b (i), i.e. b 0(0), b 0(1) ..., b 0(p 0-1), b 1(0), b 1(1) ..., b 1(p 1-1) ..., b n-1(p n-1-1).The amount of information of multiplexing ACK/NACK information equals the summation of every ACK/NACK information, i.e. b (i), and i=0,1 ..., p-1bit, wherein, p=p 1+ p 2+ ...+p n.
Bundling is multiplexing to be referred to: the identical information position of each feedback information sequence in multinomial feedback information sequence multiplexing need is carried out and operation, obtain the value of this information bit in the feedback information sequence after multiplexing, the amount of information of the feedback information sequence after wherein, multiplexing is identical with the feedback information sequence of amount of information maximum in this multinomial feedback information sequence;
Specifically, need the amount of information of multiplexing n item ACK/NACK information to be respectively p 0, p 1..., p n-1bit, carries out AND-operation, i.e. the b of every ACK/NACK information by this n item ACK/NACK information successively step-by-step k(i) information bit is carried out "AND", wherein, k=0,1 ..., n-1, i=0,1 ..., MAX (p k-1), i.e. b (i)=b 0(i) & b 1(i) & b 2(i) & ... & b n-1(i), form multiplexing ACK/NACK information sequence b (i).The amount of information of multiplexing ACK/NACK information equals the amount of information of the ACK/NACK information of amount of information maximum in every ACK/NACK information, i.e. b (i), and i=0,1 ..., p-1bit, wherein, p=Max (p 0, p 1..., p n-1).
Compress multiplexing referring to:
To each the feedback information sequence in the multiplexing multinomial feedback information sequence of need, all information bits of this feedback information sequence are carried out and operation, obtain a compressed value of this feedback information sequence, corresponding this multinomial feedback information sequence multiple compressed values series connection are obtained to the feedback information sequence after multiplexing;
Specifically, need the amount of information of multiplexing n item ACK/NACK information to be respectively p 0, p 1..., p n-1bit, carries out respectively p item by item by this n item ACK/NACK information kthe AND-operation of bit, wherein, k=0,1 ..., n-1, i.e. b (k)=b k(0) & b k(1) & b k(2) ... b k(p k-1), be 1bit by every ACK/NACK Information Compression, then the n item ACK/NACK after compression is connected, form multiplexing ACK/NACK information sequence b (i), b (i)=b (k).The amount of information of multiplexing ACK/NACK information equals multiplexing ACK/NACK information item number, i.e. b (i), and i=0,1 ..., p-1bit, wherein, p=n.
Step 1103, modulation step, RN modulates ACK/NACK information b (i);
The ACK/NACK information here can be the ACK/NACK information of non-multiplexed, can be also the ACK/NACK information after multiplexing process.
When RN modulates ACK/NACK information, adopt different modulation systems according to b (i) amount of information, as BPSK, QPSK, 8PSK, 16QAM, 64QAM or the modulation system of high-order more, b (i) is modulated to an own symbol of adjusting, ACK/NACK information after modulation becomes complex value symbol, represents with d (0).
Step 1104, frequency domain expansion step, RN, according to system configuration parameter, carries out frequency domain expansion processing by the complex value ACK/NACK information d (0) after modulation:
y(n)=d(0)·r(n), n = 0,1 , . . . , N seq PUCCH - 1
Wherein, r (n) is frequency domain expansion sequence, according in following parameters one or more determine: the Cell ID of community, RN place, system configuration is to the resource index n of the corresponding R-PUCCH of RN r-PUCCH (1), high-rise configuration parameter N cs (1), Δ shift pUCCH.
Step 1105, time domain spread step, RN carries out time domain extension process to the complex-valued sequences y (n) through frequency domain expansion, obtains the complex-valued sequences after time-frequency expansion, is shown below:
z ( m &prime; &CenterDot; N SF R - PUCCH &CenterDot; N seq PUCCH + k &CenterDot; N seq PUCCH + n ) = S ( n s ) &CenterDot; w n oc ( k ) &CenterDot; y ( n )
Wherein,
N SF R - PUCCH = 3,4 , According to the corresponding value of different channels structure choice of R-PUCCH;
k = 0 , . . . , N SF R - PUCCH - 1 ;
m′=0,1; S ( n s ) = 1 if n &prime; ( n S ) mod 2 = 0 e j&pi; / 2 otherwise ;
Figure G2009101763945D00166
according to n oc(n s) and N sF r-PUCCHobtain, and n oc(n s) according to system configuration parameter n r-PUCCH (1), N cs (1), Δ shift pUCCHobtain.
Step 1106, RN is according to system configuration, by n the complex-valued sequences z after above-mentioned frequency domain, time domain extension process k(i k), k=0,1 ..., n-1 carries out channel multiplexing, obtains multiplexed sequence Z (i).
Wherein,
N sequence z k(i k), i k = 0,1 , . . . , N seq PUCCH &CenterDot; ( N SF , k R - PUCCH ( 0 ) + N SF , k R - PUCCH ( 1 ) ) - 1 , And N SF , k R - PUCCH ( 0 ) = N SF , k R - PUCCH n s mod 2 = 0 N SF , k R - PUCCH ( 1 ) = N SF , k R - PUCCH n s mod 2 = 1
To carrying out the sequence z of channel multiplexing k(i k), the corresponding multiplexing coefficient A of system configuration RN k(j k)=0,1, j k = 0,1 , . . . , ( N SF , k R - PUCCH ( 0 ) + N SF , k R - PUCCH ( 1 ) ) - 1 ,
z k &OverBar; ( j k &CenterDot; N seq PUCCH + s ) = A k ( j k ) &CenterDot; z k ( j k &CenterDot; N seq PUCCH + s ) , s = 0,1 , . . . , N seq PUCCH - 1
Z &OverBar; ( i ) = &Sigma; k = 0 n - 1 z k &OverBar; ( i ) , i = 0,1 , . . . , N seq PUCCH &CenterDot; MAX ( j k ) - 1
Wherein, n sfor the timeslot number in radio frames,
Figure G2009101763945D00178
according to the corresponding value of different channels structure choice of R-PUCCH.
This step is optional step, if system configuration is not carried out channel multiplexing, and Z (i)=z (i).
N z of channel multiplexing carried out in configuration k(i k) sequence is from n item ACK/NACK information, described n item ACK/NACK information is:
RN is the multinomial feedback information in the corresponding generation of multiple packets of same subframe transmission to eNB;
RN is the multinomial feedback information in the corresponding generation of multiple packets of different subframe transmission to eNB;
The multinomial feedback information of RN to the corresponding generation of many sub data packets comprising in the aggregated data bag of eNB transmission;
Or, the mixing situation of above situation;
That is, relay station is several packets in the transmission of same subframe to base station, and/or base station is at several packets of different subframes transmission, and/or the some sub data packets that comprise in the aggregated data bag of base-station transmission, the multinomial feedback information of generation.
Step 1107, RN by Z (i) according to first frequency domain after the order of time domain be mapped to successively on the R-PUCCH physical resource of system configuration, the R-PUCCH physical resource configuring is according to the resource index n of corresponding R-PUCCH r-PUCCH (1), high-rise configuration parameter N cs (1), Δ shift pUCCH, N rB (2)obtain.
RN obtains the related resource for loading ACK/NACK feedback information according to the R-PUCCH channel architecture using and system configuration parameter, comprise physical resource, frequency domain, time domain expansion index etc., further describe implementation process of the present invention below by specific embodiment.
Embodiment mono-
RN adopts R-PUCCH format 1 channel architecture one loading ACK/NACK feedback information under normal CP, and eNB is designated as the relevant parameter configuration of RN: n R - PUCCH ( 1 ) = 7 , N cs ( 1 ) = 0 , &Delta; shift PUCCH = 2 , N RB ( 2 ) = 3 , N r-PUCCH (1)with n pUCCH (1)correspondence, RN can obtain the relevant parameter to R-PUCCH resource according to calculating same method with PUCCH resource configuration parameter, as follows:
m=3
n PRB = N RB UL - 2 forslot 0 1 forslot 1
n &prime; ( n s ) = 7 forslot 0 4 forslot 1
n oc ( n s ) = 1 forslot 0 0 forslot 1
n cs ( n s , l ) = ( n cs cell ( n s , l ) + 3 ) mod N sc RB forslot 0 ( n cs cell ( n s , l ) + 8 ) mod N sc RB forslot 1
&alpha; ( n s , l ) = 2 &pi; &CenterDot; n cs ( n s , l ) / N sc RB
According to above-mentioned parameter, according to content of the present invention, RN processes the ACK/NACK information generating, and process is as follows:
Step 1201, the data that RN sends eNB generate and are encoded to the ACK/NACK feedback information b (i) of 2bit, i=0,1;
Step 1202, according to system configuration, RN need carry out information multiplexing to ACK/NACK information at this R-PUCCH, and the ACK/NACK feedback information b (i) of above-mentioned generation is designated as b 1(i) the 1bit ACK/NACK feedback information b of the upper packet that, RN sends eNB 0and b (0) 1(i) connect multiplexingly, forming multiplexing ACK/NACK information is b (i), i=0,1,2;
Step 1203, RN modulates ACK/NACK information b (i), because b (i) sequence length is 3, selects the modulation system of 8PSK that b (i) is modulated to a complex value symbol d (0);
Step 1204, RN, according to system configuration parameter, carries out frequency domain expansion by the complex value ACK/NACK information d (0) after modulation:
y(n)=d(0)·r(n), n = 0,1 , . . . , N seq PUCCH - 1
Here r (n)=e, j α nr u, v(n), M sc RS = N seq PUCCH , N seq PUCCH = 12
Wherein, r u, v(n) be basic sequence, circulation offset alpha is above-mentioned parameter α (n s, l).
Step 1205, RN carries out time domain extension process to the complex-valued sequences y (n) through frequency domain expansion:
z ( m &prime; &CenterDot; N SF R - PUCCH &CenterDot; N seq PUCCH + k &CenterDot; N seq PUCCH + n ) = S ( n s ) &CenterDot; w n oc ( k ) &CenterDot; y ( n )
Wherein, N SF R - PUCCH = 3 forslot 0 3 forslot 1
S ( n s ) = e j&pi; / 2 forslot 0 1 forslot 1
According to n oc(n s) and N sF r-PUCCH, obtain corresponding
Figure G2009101763945D00197
for:
w n oc ( k ) = 1 e j 2 &pi; / 3 e j 4 &pi; / 3 forslot 0 1 1 1 forslot 1
Step 1206, RN, according to system configuration, does not carry out channel multiplexing to this R-PUCCH, i.e. Z (i)=z (i);
Step 1207, RN by Z (i) sequence according to first frequency domain after the Sequential Mapping of time domain to the RB of above-mentioned configuration to upper, first slot's n PRB = N RB UL - 2 , The n of second slot pRB=1.
According to said process, RN by information multiplexing, is mapped to two ACK/NACK uplink feedback informations in distributed R-PUCCH resource, as shown in figure 12, realize effective carrying of the HARQ feedback information to Backhaul Link, improved the resource utilization of R-PUCCH simultaneously.
Embodiment bis-
RN adopts R-PUCCH format 1 channel architecture two loading ACK/NACK feedback information under normal CP, and eNB is designated as the relevant parameter configuration of RN: n R - PUCCH ( 1 ) = 25 , N cs ( 1 ) = 6 , &Delta; shift PUCCH = 2 , N RB ( 2 ) = 3 , Can obtain successively other parameter as follows:
m=4
n PRB = 2 forslot 0 N RB UL - 3 forslot 1
n &prime; ( n s ) = 16 forslot 0 12 forslot 1
n oc ( n s ) = 2 forslot 0 2 forslot 1
n cs ( n s , l ) = ( n cs cell ( n s , l ) + 8 ) mod N sc RB forslot 0 n cs cell ( n s , l ) mod N sc RB forslot 1
&alpha; ( n s , l ) = 2 &pi; &CenterDot; n cs ( n s , l ) / N sc RB
According to above-mentioned parameter, RN processes the ACK/NACK information generating, and process is as follows:
Step 1301, the data that RN sends eNB generate and are encoded to the ACK/NACK feedback information b (i) of 4bit, i=0,1,2,3;
Step 1302, according to system configuration, RN does not carry out information multiplexing to ACK/NACK information at this R-PUCCH, directly by above-mentioned b (i), i=0,1,2,3 carry out next step modulation treatment;
Step 1303, RN modulates ACK/NACK information b (i), because b (i) sequence length is 4, selects the modulation system of 16QAM that b (i) is modulated to a complex value symbol d (0);
Step 1304, RN, according to system configuration parameter, carries out frequency domain expansion by the complex value ACK/NACK information d (0) after modulation:
y ( n ) = d ( 0 ) &CenterDot; r u , v ( &alpha; ) ( n ) , n = 0,1 , . . . , N seq PUCCH - 1
Wherein, r u , v ( &alpha; ) ( n ) = e j&alpha;n r &OverBar; u , v ( n ) Calculate and obtain according to above-mentioned parameter.
Step 1305, RN carries out time domain extension process to the complex-valued sequences y (n) through frequency domain expansion:
z ( m &prime; &CenterDot; N SF R - PUCCH &CenterDot; N seq PUCCH + k &CenterDot; N seq PUCCH + n ) = S ( n s ) &CenterDot; w n oc ( k ) &CenterDot; y ( n )
Wherein, N SF R - PUCCH = 4 forslot 0 3 forslot 1
S ( n s ) = 1 forslot 0 1 forslot 1
According to n oc(n s) and N sF r-PUCCH, obtain corresponding for:
w n oc ( k ) = + 1 - 1 - 1 + 1 forslot 0 1 e j 4 &pi; / 3 e j 2 &pi; / 3 forslot 1
Step 1306, RN, according to system configuration, carries out channel multiplexing to this R-PUCCH, and sequence z obtained above (i) is designated as to z 2(i) the sequence z that the ACK/NACK feedback information processing of two other packet that, RN sends eNB obtains 0and z (i) 1(i) carry out channel multiplexing, the channel multiplexing parameter of configuration is respectively: A 0(j 0)=[1,1,0,0,0,0,0], A 1(j 1)=[0,0,1,1,0,0,0], A 2(j 2)=[0,0,0,0,1,1,1],
Z &OverBar; ( i ) = z 0 ( i ) i < 2 &CenterDot; N seq PUCCH z 1 ( i ) 2 &CenterDot; N seq PUCCH &le; i < 4 &CenterDot; N seq PUCCH z 2 ( i ) 4 &CenterDot; N seq PUCCH &le; i < 7 &CenterDot; N seq PUCCH , i = 0,1 , . . . , 7 &CenterDot; N seq PUCCH - 1
Step 1307, RN by Z (i) sequence according to first frequency domain after the Sequential Mapping of time domain to the RB of above-mentioned configuration to upper, i.e. the n of first slot pRB=2, second slot's n PRB = N RB UL - 3 .
According to said process, RN by channel multiplexing, is mapped to three ACK/NACK uplink feedback informations in distributed R-PUCCH resource, as shown in figure 13, realize effective carrying of the HARQ feedback information to Backhaul Link, improved the resource utilization of R-PUCCH simultaneously.
Embodiment tri-
RN adopts R-PUCCH format 1 channel architecture one loading ACK/NACK feedback information under extended CP, and eNB is designated as the relevant parameter configuration of RN: n R - PUCCH ( 1 ) = 16 , N cs ( 1 ) = 0 , &Delta; shift PUCCH = 3 , N RB ( 2 ) = 4 , Can obtain successively other parameter as follows:
m=6
n PRB = 3 forslot 0 N RB UL - 4 forslot 1
n &prime; ( n s ) = 6 forslot 0 4 forslot 1
n oc ( n s ) = 2 forslot 0 2 forslot 1
n cs ( n s , l ) = ( n cs cell ( n s , l ) + 7 ) mod N sc RB forslot 0 ( n cs cell ( n s , l ) + 1 ) mod N sc RB forslot 1
&alpha; ( n s , l ) = 2 &pi; &CenterDot; n cs ( n s , l ) / N sc RB
According to above-mentioned parameter, RN processes the ACK/NACK information generating, and process is as follows:
Step 1401, the data that RN sends eNB generate the ACK/NACK feedback information b (i) of 4bit, i=0,1,2,3;
Step 1402, according to system configuration, RN need carry out information multiplexing to ACK/NACK information at this R-PUCCH, and adopts Bundling multiplex mode.The ACK/NACK feedback information b (i) of above-mentioned generation is designated as b 1(i) the ACK/NACK feedback information b of the upper packet that, RN sends eNB 0(i), i=0,1,2,3 and b 1(i) carry out Bundling multiplexing, form multiplexing ACK/NACK information b (i), b (i)=b 0(i) & b 1(i), i=0,1,2,3, then by b (i), i=0,1,2,3 carry out next step modulation treatment
Step 1403, RN modulates ACK/NACK information b (i), because b (i) sequence length is 4, selects the modulation system of 16QAM that b (i) is modulated to a complex value symbol d (0);
Step 1404, RN, according to system configuration parameter, carries out frequency domain expansion processing by the complex value ACK/NACK information d (0) after modulation:
y ( n ) = d ( 0 ) &CenterDot; r u , v ( &alpha; ) ( n ) , n = 0,1 , . . . , N seq PUCCH - 1
Wherein, r u , v ( &alpha; ) ( n ) = e j&alpha;n r &OverBar; u , v ( n ) Calculate and obtain according to above-mentioned parameter.
Step 1405, RN carries out time domain extension process to the complex-valued sequences y (n) through frequency domain expansion:
z ( m &prime; &CenterDot; N SF R - PUCCH &CenterDot; N seq PUCCH + k &CenterDot; N seq PUCCH + n ) = S ( n s ) &CenterDot; w n oc ( k ) &CenterDot; y ( n )
Wherein, N SF R - PUCCH = 3 forslot 0 3 forslot 1
S ( n s ) = 1 forslot 0 1 forslot 1
According to n oc(n s) and N sF r-PUCCH, obtain corresponding
Figure G2009101763945D002210
for:
w n oc ( k ) = 1 e j 4 &pi; / 3 e j 2 &pi; / 3 forslot 0 1 e j 4 &pi; / 3 e j 2 &pi; / 3 forslot 1
Step 1406, RN, according to system configuration, carries out channel multiplexing to this R-PUCCH, and sequence z obtained above (i) is designated as to z 1(i) the sequence z that the ACK/NACK feedback information processing of the another one packet that, RN sends eNB obtains 0(i) carry out channel multiplexing, the channel multiplexing parameter of configuration is respectively: A 0(j 0)=[1,1,1,0,0,0], A 1(j 1)=[0,0,0,1,1,1],
Z &OverBar; ( i ) = z 0 ( i ) i < 3 &CenterDot; N seq PUCCH z 1 ( i ) 3 &CenterDot; N seq PUCCH &le; i < 6 &CenterDot; N seq PUCCH , i = 0,1 , . . . , 6 &CenterDot; N seq PUCCH - 1
Step 1407, RN by Z (i) sequence according to first frequency domain after the Sequential Mapping of time domain to the RB of above-mentioned configuration to upper, i.e. the n of first slot pRB=3, second slot's n PRB = N RB UL - 4 .
According to said process, two ACK/NACK uplink feedback informations are carried out information multiplexing by RN, carry out channel multiplexing with another ACK/NACK feedback information again, finally be mapped in distributed R-PUCCH resource, as shown in figure 14, realize effective carrying of the HARQ feedback information to Backhaul Link, improved the resource utilization of R-PUCCH simultaneously.
Embodiment tetra-
RN adopts R-PUCCH format 1 channel architecture two loading ACK/NACK feedback information under extended CP, and eNB is designated as the relevant parameter configuration of RN: n R - PUCCH ( 1 ) = 19 , N cs ( 1 ) = 6 , &Delta; shift PUCCH = 3 , N RB ( 2 ) = 4 , , according to the computational methods in summary of the invention, can obtain successively other parameter as follows:
Figure G2009101763945D00237
n PRB = 3 forslot 0 N RB UL - 4 forslot 1
n &prime; ( n s ) = 7 forslot 0 6 forslot 1
n oc ( n s ) = 2 forslot 0 2 forslot 1
n cs ( n s , l ) = ( n cs cell ( n s , l ) + 10 ) mod N sc RB forslot 0 ( n cs cell ( n s , l ) + 7 ) mod N sc RB forslot 1
&alpha; ( n s , l ) = 2 &pi; &CenterDot; n cs ( n s , l ) / N sc RB
According to above-mentioned parameter, RN processes the ACK/NACK information generating, and process is as follows:
Step 1501, eNB sends aggregation group bag data to RN, and aggregated data bag contains 4 sub data packets, and RN generates respectively the ACK/NACK feedback information of 2bit to each sub data packets, be b k(i), k=0,1,2,3, i=0,1;
Step 1502, according to system configuration, RN need carry out information multiplexing to ACK/NACK information at this R-PUCCH, and adopts Multiplexing multiplex mode.RN carries out the AND-operation of 2bit, b (k)=b item by item to above-mentioned 4 ACK/NACK feedback informations k(0) & b k(1), k=0,1,2,3, form multiplexing ACK/NACK information sequence b (i)=b (k), i=0,1,2,3, then b (i) is carried out to next step modulation treatment;
Step 1503, RN modulates ACK/NACK information b (i), because b (i) sequence length is 4, selects the modulation system of 16QAM that b (i) is modulated to a complex value symbol d (0);
Step 1504, RN, according to system configuration parameter, carries out frequency domain expansion by the complex value ACK/NACK information d (0) after modulation:
y ( n ) = d ( 0 ) &CenterDot; r u , v ( &alpha; ) ( n ) , n = 0,1 , . . . , N seq PUCCH - 1
Wherein, r u , v ( &alpha; ) ( n ) = e j&alpha;n r &OverBar; u , v ( n ) Calculate and obtain according to above-mentioned parameter.
Step 1505, RN carries out time domain extension process to the complex-valued sequences y (n) through frequency domain expansion:
z ( m &prime; &CenterDot; N SF R - PUCCH &CenterDot; N seq PUCCH + k &CenterDot; N seq PUCCH + n ) = S ( n s ) &CenterDot; w n oc ( k ) &CenterDot; y ( n )
Wherein, N SF R - PUCCH = 4 forslot 0 3 forslot 1
S ( n s ) = e j&pi; / 2 forslot 0 1 forslot 1
According to n oc(n s) and N sF r-PUCCH, obtain corresponding
Figure G2009101763945D00247
for:
w n oc ( k ) = + 1 - 1 - 1 + 1 forslot 0 1 e j 4 &pi; / 3 e j 2 &pi; / 3 forslot 1
Step 1506, RN, according to system configuration, does not carry out channel multiplexing to this R-PUCCH, i.e. Z (i)=z (i).
Step 1507, RN by Z (i) sequence according to first frequency domain after the Sequential Mapping of time domain to the RB of above-mentioned configuration to upper, i.e. the n of first slot pRB=3, second slot's n PRB = N RB UL - 4 .
According to said process, RN will carry out information multiplexing to 4 of each sub data packets ACK/NACK uplink feedback informations, finally be mapped in distributed R-PUCCH resource, as shown in figure 15, realize effective carrying of the HARQ uplink feedback information to Backhaul Link, improved the resource utilization of R-PUCCH simultaneously.
The present invention also provides a kind of processing unit of the uplink feedback information for back haul link, as shown in figure 16, comprising:
HARQ uplink feedback information generation module, for the data that receive are generated to a feedback information, coding obtains feedback information sequence, or, for the multinomial data that receive are generated to multinomial feedback information, coding obtains multinomial feedback information sequence, and described multinomial feedback information sequence is carried out to the multiplexing feedback information sequence obtaining after multiplexing;
Modulation module, for to described feedback information sequence or multiplexing after feedback information sequence modulate, the feedback information sequence after being modulated;
Frequency domain expansion module, carries out frequency domain expansion processing for the feedback information sequence to after described modulation, obtains the complex-valued sequences after frequency domain expansion;
Time domain expansion module, carries out time domain extension process for the complex-valued sequences to after described frequency domain expansion, obtains the complex-valued sequences after time-frequency expansion;
Mapping block, for being mapped to the complex-valued sequences after described time-frequency expansion the Physical Uplink Control Channel physical resource of system configuration; Or, for the complex-valued sequences after multiple time-frequency expansions is carried out to channel multiplexing, obtain multiplexed sequence, described multiplexed sequence is mapped on the Physical Uplink Control Channel physical resource of system configuration.
Wherein, described HARQ uplink feedback information generation module, for one of as follows multinomial feedback information sequence being carried out to information multiplexing: connect multiplexing, bind multiplexing and compress multiplexing, wherein:
Multiplexing the referring to of connecting, connects multinomial feedback information sequence multiplexing need successively, forms the feedback information sequence after multiplexing, and wherein, the amount of information of the feedback information sequence after multiplexing equals the summation of the amount of information of this multinomial feedback information sequence;
Bind multiplexing referring to, the identical information position of each feedback information sequence in multinomial feedback information sequence multiplexing need is carried out and operation, obtain the value of this information bit in the feedback information sequence after multiplexing, the amount of information of the feedback information sequence after wherein, multiplexing is identical with the feedback information sequence of amount of information maximum in this multinomial feedback information sequence;
Compress multiplexing referring to, to each the feedback information sequence in the multiplexing multinomial feedback information sequence of need, all information bits of this feedback information sequence are carried out and operation, obtain a compressed value of this feedback information sequence, corresponding this multinomial feedback information sequence multiple compressed values series connection are obtained to the feedback information sequence after multiplexing, and the amount of information of the feedback information sequence after multiplexing equals the item number of multiplexing feedback information sequence.
Wherein, described mapping block, for as follows the complex-valued sequences after multiple time-frequency expansions being carried out to channel multiplexing, obtains multiplexed sequence:
Complex-valued sequences after k multiplexing time-frequency expansion is z k(i k), i k = 0,1 , . . . , N seq PUCCH &CenterDot; ( N SF , k R - PUCCH ( 0 ) + N SF , k R - PUCCH ( 1 ) ) - 1 , k=0,1,…,n-1;
And N SF , k R - PUCCH ( 0 ) = N SF , k R - PUCCH n s mod 2 = 0 N SF , k R - PUCCH ( 1 ) = N SF , k R - PUCCH n s mod 2 = 1
The system of obtaining is each z k(i k) configure corresponding multiplexing coefficient A k(j k)=0,1, j k = 0,1 , . . . , ( N SF , k R - PUCCH ( 0 ) + N SF , k R - PUCCH ( 1 ) ) - 1 , :
z k &OverBar; ( j k &CenterDot; N seq PUCCH + s ) = A k ( j k ) &CenterDot; z k ( j k &CenterDot; N seq PUCCH + s ) , s = 0,1 , . . . , N seq PUCCH - 1 ;
Obtain multiplexed sequence Z &OverBar; ( i ) = &Sigma; k = 0 n - 1 z k &OverBar; ( i ) , i = 0,1 , . . . , N seq PUCCH &CenterDot; MAX ( j k ) - 1 ;
Wherein, n is the number of carrying out the complex-valued sequences after the time-frequency expansion of channel multiplexing, n sfor the timeslot number in radio frames,
Figure G2009101763945D00268
according to the corresponding value of different channels structure choice of R-PUCCH.
Wherein, described HARQ uplink feedback information generation module is used for generating following multinomial feedback information and carries out information multiplexing:
Multinomial feedback information to base station in the corresponding generation of multiple packets of same subframe transmission; Or,
Multinomial feedback information to base station in the corresponding generation of multiple packets of different subframe transmission; Or,
To the multinomial feedback information of the corresponding generation of many sub data packets comprising in the aggregated data bag of base-station transmission;
Or, the mixing situation of above situation;
That is, several packets to base station in the transmission of same subframe, and/or base station is at several packets of different subframes transmission, and/or the some sub data packets that comprise in the aggregated data bag of base-station transmission, generate described multinomial feedback information.
Wherein, described mapping block carries out channel multiplexing for using from the complex-valued sequences after multiple time-frequency expansions of following multinomial feedback information:
Multinomial feedback information to base station in the corresponding generation of multiple packets of same subframe transmission; Or,
Multinomial feedback information to base station in the corresponding generation of multiple packets of different subframe transmission; Or,
To the multinomial feedback information of the corresponding generation of many sub data packets comprising in the aggregated data bag of base-station transmission;
Or, the mixing situation of above situation;
That is, several packets to base station in the transmission of same subframe, and/or base station is at several packets of different subframes transmission, and/or the some sub data packets that comprise in the aggregated data bag of base-station transmission, the multinomial feedback information of generation.
Wherein, described frequency domain expansion module, carry out frequency domain expansion processing for the feedback information sequence after using frequency domain expansion sequence to modulation, wherein, one or more definite described frequency domain expansion sequence according in following parameters: the cell ID of community, relay station place, system configuration is to the resource index n of the respective physical ascending control channel of relay station r-PUCCH (1), high-rise configuration parameter N cs (1), Δ shift pUCCH.
Wherein, described time domain expansion module, for carrying out as follows time domain expansion:
z ( m &prime; &CenterDot; N SF R - PUCCH &CenterDot; N seq PUCCH + k &CenterDot; N seq PUCCH + n ) = S ( n s ) &CenterDot; w n oc ( k ) &CenterDot; y ( n )
Wherein,
Y (n) represents the complex-valued sequences after frequency domain expansion; N seq pUCCHcyclic shift length;
according to the corresponding value of different channels structure choice of R-PUCCH; k = 0 , . . . , N SF R - PUCCH - 1 ; Orthogonal sequence
Figure G2009101763945D00275
according to N sF r-PUCCHand system configuration parameter n r-PUCCH (1), N cs (1), Δ shift pUCCHobtain.

Claims (14)

1. for a processing method for the HARQ uplink feedback information of back haul link, it is characterized in that, comprising:
HARQ uplink feedback information generates step, the data that receive are generated to a feedback information, coding obtains feedback information sequence, or, the multinomial data that receive are generated to multinomial feedback information, coding obtains multinomial feedback information sequence, and described multinomial feedback information sequence is carried out to the multiplexing feedback information sequence obtaining after multiplexing;
Modulation step, to described feedback information sequence or multiplexing after feedback information sequence modulate, the feedback information sequence after being modulated;
Frequency domain expansion step, carries out frequency domain expansion processing to the feedback information sequence after described modulation, obtains the complex-valued sequences after frequency domain expansion;
Time domain spread step, carries out time domain extension process to the complex-valued sequences after described frequency domain expansion, obtains the complex-valued sequences after time-frequency expansion;
Mapping step, is mapped to the complex-valued sequences after described time-frequency expansion on the Physical Uplink Control Channel physical resource of system configuration; Or, the complex-valued sequences after multiple time-frequency expansions is carried out to channel multiplexing, obtain multiplexed sequence, described multiplexed sequence is mapped on the Physical Uplink Control Channel physical resource of system configuration; The Physical Uplink Control Channel of the system configuration after mapping comprises:
In the time that system adopts normal CP, the PUCCH format1 channel architecture under normal CP is divided into structure one, structure two, structure three; For structure one, #0 wherein, not carrying signal of #13 symbol, #1, #5, loading ACK/nack message on #6, #7, #8, #12 symbol, carries RS signal on all the other symbols; For structure two, #13 symbol can not carrying signal, #0, #1, #5, and loading ACK/nack message on #6, #7, #8, #12 symbol, carries RS signal on all the other symbols; For structure three, not carrying signal of #0 symbol, #1, #5, loading ACK/nack message on #6, #7, #8, #12, #13 symbol, carries RS signal on all the other symbols;
In the time that system adopts extended CP, the PUCCH format1 channel architecture under extended CP is divided into structure one, structure two, structure three; For structure one, #0, not carrying signal of #11 symbol, #1, #4, #5, loading ACK/nack message on #6, #7, #10 symbol, carries RS signal on all the other symbols; For structure two, not carrying signal of #11 symbol, #0, #1, #4, #5, loading ACK/nack message on #6, #7, #10 symbol, carries RS signal on all the other symbols; For structure three, not carrying signal of #0 symbol, #1, #4, #5, loading ACK/nack message on #6, #7, #10, #11 symbol, carries RS signal on all the other symbols.
2. the method for claim 1, is characterized in that, described to multinomial feedback information sequence carry out information multiplexing one of refer to as follows carry out multiplexing: connect multiplexing, bind multiplexing and compress multiplexing, wherein:
Multiplexing the referring to of connecting, connects multinomial feedback information sequence multiplexing need successively, forms the feedback information sequence after multiplexing, and the amount of information of the feedback information sequence after multiplexing equals the summation of the amount of information of this multinomial feedback information sequence;
Bind multiplexing referring to, the identical information position of each feedback information sequence in multinomial feedback information sequence multiplexing need is carried out and operation, obtain the value of this information bit in the feedback information sequence after multiplexing, the amount of information of the feedback information sequence after wherein, multiplexing is identical with the feedback information sequence of amount of information maximum in this multinomial feedback information sequence;
Compress multiplexing referring to, to each the feedback information sequence in the multiplexing multinomial feedback information sequence of need, all information bits of this feedback information sequence are carried out and operation, obtain a compressed value of this feedback information sequence, corresponding this multinomial feedback information sequence multiple compressed values series connection are obtained to the feedback information sequence after multiplexing, and the amount of information of the feedback information sequence after multiplexing equals the item number of multiplexing feedback information sequence.
3. the method for claim 1, is characterized in that, described complex-valued sequences after the expansion of multiple time-frequencies is carried out to channel multiplexing, obtains multiplexed sequence and specifically refers to:
Complex-valued sequences after k multiplexing time-frequency expansion is z k(i k), i k = 0,1 , . . . , N seq PUCCH &CenterDot; ( N SF , k R - PUCCH ( 0 ) + N SF , k R - PUCCH ( 1 ) ) - 1 , k = 0,1 , &CenterDot; &CenterDot; &CenterDot; , n - 1 ;
And N SF , k R - PUCCH ( 0 ) = N SF , k R - PUCCH n s mod 2 = 0 N SF , k R - PUCCH ( 1 ) = N SF , k R - PUCCH n s mod 2 = 1
System is each z k(i k) configure corresponding multiplexing coefficient A k(j k)=0,1, j k = 0,1 , . . . , ( N SF , k R - PUCCH ( 0 ) + N SF , k R - PUCCH ( 1 ) ) - 1 , :
z k &OverBar; ( j k &CenterDot; N seq PUCCH + s ) = A k ( j k ) &CenterDot; z k ( j k &CenterDot; N seq PUCCH + s ) , s = 0,1 , . . . , N seq PUCCH - 1 ;
Obtain multiplexed sequence Z &OverBar; ( i ) = &Sigma; k = 0 n - 1 z k &OverBar; ( i ) , i = 0,1 , . . . , N seq PUCCH &CenterDot; MAX ( j k ) - 1 ;
Wherein, n is the number of carrying out the complex-valued sequences after the time-frequency expansion of channel multiplexing, n sfor the timeslot number in radio frames,
Figure FDA0000417380520000032
according to the corresponding value of different channels structure choice of R-PUCCH.
4. the method for claim 1, is characterized in that, described HARQ uplink feedback information generates multinomial feedback information sequence described in step and refers to:
Relay station is several packets in same subframe transmission to base station, and/or relay station to base station several packets in the transmission of different subframes, and/or relay station is to the some sub data packets that comprise in the aggregated data bag of base-station transmission, the multinomial feedback information of generation.
5. the method for claim 1, is characterized in that, in described mapping step, carries out complex-valued sequences after the multiple time-frequencies expansion of channel multiplexing from following multinomial feedback information:
Relay station is several packets in the transmission of same subframe to base station, and/or base station is at several packets of different subframes transmission, and/or the some sub data packets that comprise in the aggregated data bag of base-station transmission, the multinomial feedback information of generation.
6. the method for claim 1, it is characterized in that, in described frequency domain expansion step, feedback information sequence after using frequency domain expansion sequence to modulation is carried out frequency domain expansion processing, wherein, one or more definite described frequency domain expansion sequence according in following parameters: the cell ID of community, relay station place, system configuration is to the resource index of the respective physical ascending control channel of relay station
Figure FDA0000417380520000033
high-rise configuration parameter
Figure FDA0000417380520000034
7. the method for claim 1, is characterized in that, in described time domain spread step, carries out as follows time domain expansion:
z ( m &prime; &CenterDot; N SF R - PUCCH &CenterDot; N seq PUCCH + k &CenterDot; N seq PUCCH + n ) = S ( n s ) &CenterDot; w n oc ( k ) &CenterDot; y ( n )
Wherein,
Y (n) represents the complex-valued sequences after frequency domain expansion;
Figure FDA0000417380520000036
cyclic shift length;
Figure FDA0000417380520000037
Figure FDA0000417380520000038
according to the corresponding value of different channels structure choice of R-PUCCH; k = 0 , . . . , N SF R - PUCCH - 1 ; Orthogonal sequence
Figure FDA00004173805200000310
according to
Figure FDA00004173805200000311
and system configuration parameter
Figure FDA00004173805200000312
Figure FDA0000417380520000041
obtain.
8. for a processing unit for the uplink feedback information of back haul link, it is characterized in that, comprising:
HARQ uplink feedback information generation module, for the data that receive are generated to a feedback information, coding obtains feedback information sequence, or, for the multinomial data that receive are generated to multinomial feedback information, coding obtains multinomial feedback information sequence, and described multinomial feedback information sequence is carried out to the multiplexing feedback information sequence obtaining after multiplexing;
Modulation module, for to described feedback information sequence or multiplexing after feedback information sequence modulate, the feedback information sequence after being modulated;
Frequency domain expansion module, carries out frequency domain expansion processing for the feedback information sequence to after described modulation, obtains the complex-valued sequences after frequency domain expansion;
Time domain expansion module, carries out time domain extension process for the complex-valued sequences to after described frequency domain expansion, obtains the complex-valued sequences after time-frequency expansion;
Mapping block, for being mapped to the complex-valued sequences after described time-frequency expansion the Physical Uplink Control Channel physical resource of system configuration; Or, for the complex-valued sequences after multiple time-frequency expansions is carried out to channel multiplexing, obtain multiplexed sequence, described multiplexed sequence is mapped on the Physical Uplink Control Channel physical resource of system configuration; The Physical Uplink Control Channel of the system configuration after mapping comprises:
In the time that system adopts normal CP, the PUCCH format1 channel architecture under normal CP is divided into structure one, structure two, structure three; For structure one, #0 wherein, not carrying signal of #13 symbol, #1, #5, loading ACK/nack message on #6, #7, #8, #12 symbol, carries RS signal on all the other symbols; For structure two, #13 symbol can not carrying signal, #0, #1, #5, and loading ACK/nack message on #6, #7, #8, #12 symbol, carries RS signal on all the other symbols; For structure three, not carrying signal of #0 symbol, #1, #5, loading ACK/nack message on #6, #7, #8, #12, #13 symbol, carries RS signal on all the other symbols;
In the time that system adopts extended CP, the PUCCH format1 channel architecture under extended CP is divided into structure one, structure two, structure three; For structure one, #0, not carrying signal of #11 symbol, #1, #4, #5, loading ACK/nack message on #6, #7, #10 symbol, carries RS signal on all the other symbols; For structure two, not carrying signal of #11 symbol, #0, #1, #4, #5, loading ACK/nack message on #6, #7, #10 symbol, carries RS signal on all the other symbols; For structure three, not carrying signal of #0 symbol, #1, #4, #5, loading ACK/nack message on #6, #7, #10, #11 symbol, carries RS signal on all the other symbols.
9. device as claimed in claim 8, is characterized in that, HARQ uplink feedback information generation module, for one of as follows multinomial feedback information sequence being carried out to information multiplexing: connect multiplexing, bind multiplexing and compress multiplexing, wherein:
Multiplexing the referring to of connecting, connects multinomial feedback information sequence multiplexing need successively, forms the feedback information sequence after multiplexing, and the amount of information of the feedback information sequence after multiplexing equals the summation of the amount of information of this multinomial feedback information sequence;
Bind multiplexing referring to, the identical information position of each feedback information sequence in multinomial feedback information sequence multiplexing need is carried out and operation, obtain the value of this information bit in the feedback information sequence after multiplexing, the amount of information of the feedback information sequence after wherein, multiplexing is identical with the feedback information sequence of amount of information maximum in this multinomial feedback information sequence;
Compress multiplexing referring to, to each the feedback information sequence in the multiplexing multinomial feedback information sequence of need, all information bits of this feedback information sequence are carried out and operation, obtain a compressed value of this feedback information sequence, corresponding this multinomial feedback information sequence multiple compressed values series connection are obtained to the feedback information sequence after multiplexing, and the amount of information of the feedback information sequence after multiplexing equals the item number of multiplexing feedback information sequence.
10. device as claimed in claim 8, is characterized in that, described mapping block, for as follows the complex-valued sequences after multiple time-frequency expansions being carried out to channel multiplexing, obtains multiplexed sequence:
Complex-valued sequences after k multiplexing time-frequency expansion is z k(i k), i k = 0,1 , . . . , N seq PUCCH &CenterDot; ( N SF , k R - PUCCH ( 0 ) + N SF , k R - PUCCH ( 1 ) ) - 1 , k = 0,1 , &CenterDot; &CenterDot; &CenterDot; , n - 1 ;
And N SF , k R - PUCCH ( 0 ) = N SF , k R - PUCCH n s mod 2 = 0 N SF , k R - PUCCH ( 1 ) = N SF , k R - PUCCH n s mod 2 = 1
The system of obtaining is each z k(i k) configure corresponding multiplexing coefficient A k(j k)=0,1, j k = 0,1 , . . . , ( N SF , k R - PUCCH ( 0 ) + N SF , k R - PUCCH ( 1 ) ) - 1 , :
z k &OverBar; ( j k &CenterDot; N seq PUCCH + s ) = A k ( j k ) &CenterDot; z k ( j k &CenterDot; N seq PUCCH + s ) , s = 0,1 , . . . , N seq PUCCH - 1 ;
Obtain multiplexed sequence Z &OverBar; ( i ) = &Sigma; k = 0 n - 1 z k &OverBar; ( i ) , i = 0,1 , . . . , N seq PUCCH &CenterDot; MAX ( j k ) - 1 ;
Wherein, n is the number of carrying out the complex-valued sequences after the time-frequency expansion of channel multiplexing, n sfor the timeslot number in radio frames,
Figure FDA0000417380520000061
according to the corresponding value of different channels structure choice of R-PUCCH.
11. devices as claimed in claim 8, is characterized in that, described HARQ uplink feedback information generation module is used for generating following multinomial feedback information and carries out information multiplexing:
Several packets to base station in same subframe transmission, and/or relay station to base station several packets in the transmission of different subframes, and/or relay station is to the some sub data packets that comprise in the aggregated data bag of base-station transmission, generates described multinomial feedback information.
12. devices as claimed in claim 8, is characterized in that, described mapping block carries out channel multiplexing for using from the complex-valued sequences after multiple time-frequency expansions of following multinomial feedback information:
Several packets to base station in the transmission of same subframe, and/or base station is at several packets of different subframes transmission, and/or the some sub data packets that comprise in the aggregated data bag of base-station transmission, the multinomial feedback information of generation.
13. devices as claimed in claim 8, it is characterized in that, described frequency domain expansion module, carry out frequency domain expansion processing for the feedback information sequence after using frequency domain expansion sequence to modulation, wherein, one or more definite described frequency domain expansion sequence according in following parameters: the cell ID of community, relay station place, system configuration is to the resource index of the respective physical ascending control channel of relay station
Figure FDA00004173805200000612
high-rise configuration parameter
14. devices as claimed in claim 8, is characterized in that, described time domain expansion module, for carrying out as follows time domain expansion:
z ( m &prime; &CenterDot; N SF R - PUCCH &CenterDot; N seq PUCCH + k &CenterDot; N seq PUCCH + n ) = S ( n s ) &CenterDot; w n OC ( k ) &CenterDot; y ( n )
Wherein,
Y (n) represents the complex-valued sequences after frequency domain expansion;
Figure FDA0000417380520000064
cyclic shift length;
Figure FDA0000417380520000065
Figure FDA0000417380520000066
according to the corresponding value of different channels structure choice of R-PUCCH; k = 0 , . . . , N SF R - PUCCH - 1 ; Orthogonal sequence
Figure FDA0000417380520000068
according to
Figure FDA0000417380520000069
and system configuration parameter
Figure FDA00004173805200000610
obtain.
CN200910176394.5A 2009-09-29 2009-09-29 Method and device for processing HARQ uplink feedback information for backhaul link Expired - Fee Related CN102035633B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200910176394.5A CN102035633B (en) 2009-09-29 2009-09-29 Method and device for processing HARQ uplink feedback information for backhaul link
PCT/CN2010/077367 WO2011038665A1 (en) 2009-09-29 2010-09-27 Method and device for handling harq uplink feedback information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910176394.5A CN102035633B (en) 2009-09-29 2009-09-29 Method and device for processing HARQ uplink feedback information for backhaul link

Publications (2)

Publication Number Publication Date
CN102035633A CN102035633A (en) 2011-04-27
CN102035633B true CN102035633B (en) 2014-06-11

Family

ID=43825566

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200910176394.5A Expired - Fee Related CN102035633B (en) 2009-09-29 2009-09-29 Method and device for processing HARQ uplink feedback information for backhaul link

Country Status (2)

Country Link
CN (1) CN102035633B (en)
WO (1) WO2011038665A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104754742B (en) * 2013-12-25 2019-02-05 中国移动通信集团公司 A kind of resource allocation methods and device
AR103887A1 (en) * 2015-03-09 2017-06-14 ERICSSON TELEFON AB L M (publ) BRIEF PUCCH CHANNEL IN SPUCCH CHANNEL OF ASCENDING LINK
FR3048574A1 (en) * 2016-03-07 2017-09-08 Orange SELECTION OF A NETWORK TRANCHE INSTANCIATION FOR THE TRANSMISSION OF AMOUNT PACKETS
CN107592189B (en) * 2016-07-06 2020-07-14 华为技术有限公司 Transmission method, user equipment and base station
CN109995484B (en) * 2017-12-29 2021-01-22 电信科学技术研究院 Data transmission and receiving method, terminal and base station

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101309132A (en) * 2008-06-20 2008-11-19 中兴通讯股份有限公司 Method for uplink confirm information transmission on uplink control channel
WO2009022293A2 (en) * 2007-08-14 2009-02-19 Nokia Corporation Variable transmission structure for reference signals in uplink messages
CN101478383A (en) * 2009-02-03 2009-07-08 中兴通讯股份有限公司 Feedback method for downlink sub-frame response information in long-term evolution system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009022293A2 (en) * 2007-08-14 2009-02-19 Nokia Corporation Variable transmission structure for reference signals in uplink messages
CN101309132A (en) * 2008-06-20 2008-11-19 中兴通讯股份有限公司 Method for uplink confirm information transmission on uplink control channel
CN101478383A (en) * 2009-02-03 2009-07-08 中兴通讯股份有限公司 Feedback method for downlink sub-frame response information in long-term evolution system

Also Published As

Publication number Publication date
CN102035633A (en) 2011-04-27
WO2011038665A1 (en) 2011-04-07

Similar Documents

Publication Publication Date Title
JP6976337B2 (en) Uplink control channel transmission method of terminal in wireless communication system and communication device using the above method
EP2301293B1 (en) System level architectures for relayed uplink communication
CN102714570B (en) For the method and apparatus via relay backhaul link transmission signal
WO2012023498A1 (en) Wireless base station device and resource allocation method
CN102224698A (en) Method for transmitting control information in wireless mobile communication system
CN101989904B (en) Resource mapping method and device
KR20120090994A (en) Relay station, relay method, radio communication system, and radio communication apparatus
US8811261B2 (en) Radio base station apparatus, radio relay station apparatus, and resource allocation method
CN104218985A (en) Method and apparatus for signal transmission in wireless communication system
CN102035633B (en) Method and device for processing HARQ uplink feedback information for backhaul link
CN102065032B (en) Mobile communication system and method based on high altitude platform semi-regeneration signal processing
CN101882978A (en) Method and device for downlink cooperative retransmission of relay station
CN102036291B (en) Method and device for processing channel quality report of backhaul link
CN102036399B (en) Method for sending uplink control information on back haul link
CN101453800A (en) Bidirectional data transmission processing method for multi-hop relay system and communication intermediate apparatus
CN102480343A (en) Processing method and system for backhaul link acknowledge/negative acknowledge (ACK/NACK) information
CN102035632B (en) Data transmission method and system in wireless relay scene
CN105281880A (en) Method and apparatus for transmitting signal via relay backhaul link
CN101895925B (en) Method for realizing downlink cooperative retransmission of relay station and relay station
CN102694629B (en) The processing method of back haul link uplink feedback information and system in TDD system
CN102149131B (en) Downlink acknowledgement/unacknowledgement information processing method and system
CN102006602B (en) Method, system and device for transmitting cooperative data
CN102487294B (en) Relay communication method and relay station
CN101989889B (en) Method for transferring data of relay links, eNB (evolutional node B) and RN (relay station)
CN101989905B (en) Resource mapping method and device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20110427

Assignee: SHENZHEN ZTE MICROELECTRONICS TECHNOLOGY CO., LTD.

Assignor: ZTE Corporation

Contract record no.: 2015440020319

Denomination of invention: Method and device for processing HARQ uplink feedback information for backhaul link

Granted publication date: 20140611

License type: Common License

Record date: 20151123

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20171110

Address after: Erdaoqiao Street South 071000 in Hebei city of Baoding province No. 376 1 unit 3 Building No. 101

Patentee after: Li Huichao

Address before: 518057 Nanshan District high tech Industrial Park, Guangdong, South Road, science and technology, ZTE building, legal department

Patentee before: ZTE Corporation

TR01 Transfer of patent right
CB03 Change of inventor or designer information

Inventor after: Li Huichao

Inventor before: Yang Jin

Inventor before: Bi Feng

Inventor before: Liang Feng

Inventor before: Yuan Ming

Inventor before: Wu Shuanshuan

CB03 Change of inventor or designer information
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140611

Termination date: 20180929

CF01 Termination of patent right due to non-payment of annual fee