CN105634665A - Method and device for sending and receiving data - Google Patents

Abstract

The invention discloses a method and a device for sending and receiving data. The method for sending data comprises following steps: signal channel coding is performed on transmitted information block with length of K bits to obtain coded sequence with length of S bits; the coded sequence with length of S bits is transmitted on corresponding signal channel resource in M sub-frames, wherein M>=1; Qi QAM symbols{q_1, q_2, ..., q_Qi}are transmitted in the ith sub-frame of the M sub-frames, wherein the Qi QAM symbols are obtained from Ki bits of the coded sequence with length of S bits, and 1<= i <= M; each of QAM symbols q_j, 1<=j<=Qi, is transmitted through at least one symbol for transmitting data in the ith sub-frame, wherein the signal transmitted through the symbol for transmitting data is a product of a CAZAC sequence and the QAM symbol q_j; a pilot signal is transmitted through at least one symbol of the ith sub-frame, wherein the pilot signal is a CAZAC sequence.

Description

Data transmission method for uplink, method of reseptance and device

Technical field

The present invention relates to the communications field, and especially, relate to a kind of data transmission method for uplink, method of reseptance and device.

Background technology

Technology of Internet of things is in the ascendant, needs to support machine-type communication (MTC, MachineTypeCommunications) function in 3-G (Generation Three mobile communication system) and its long evolving system (LTE, LongTermEvolution). One MTC device (MTC terminal) is likely to be of multiple machinery compartment (M2M, MachinetoMachine, or become machine and machine) part of properties among communication characteristic, such as Hypomobility, transmitted data amount is little, communication delay is insensitive, require the features such as extremely low power dissipation, some MTC communication being currently recognized that of following citing characteristics more that may be present:

-MTC terminal has Hypomobility;

The time that-MTC terminal and network side carry out data transmission is controlled; Namely MTC terminal can only access within the time period that network is specified;

The data transmission that-MTC terminal and network side carry out is not high to requirement of real-time to data transmission, it may be assumed that have time tolerance;

-MTC terminal energy constraint, it is desirable to extremely low power consumption;

The information transmission of small data quantity is only carried out between-MTC terminal and network side;

-MTC terminal can be managed in units of group;

One actual MTC terminal can have above-mentioned one or more characteristics.

M2M communicates as a kind of novel communication theory, its objective is to organically combine the communication technology of number of different types, as: machine-to-machine communication, apparatus control communication, man-machine interaction communication, mobile interchange communication, thus promoting the development of social production and life style. Estimate that the business of following Human To Human's communication is likely to only account for the 1/3 of whole terminal market, and greater amount of communication is machinery compartment (little bandwidth system) communication service.

Current mobile communications network is for interpersonal communication scheme, such as the determination etc. of network capacity. It is it desired to utilize the feature that mobile communications network is accomplished by according to little bandwidth system communicates to support little bandwidth system communication that the mechanism of mobile communication system is optimized, so as to when traditional person to person's communication not being subject to or by less impact, realize little bandwidth system communication better.

Existing based on global system for mobile communications (GSM, GlobalSystemforMobileCommunications) in the M2M network of technology, operator finds the terminal worked under some scene, such as work in the terminal in basement, market or building corner, owing to wireless signal is seriously blocked, signal is subject to very big decay, and above-mentioned terminal cannot communicate with network, and can be greatly increased the networking cost of network for the degree of depth covering carrying out network under these scenes. Operator is through test, it is believed that need the existing coverage enhancement 15dB of GSM just can be met the covering demand of above-mentioned scene. Follow-up LTE technology can substitute GSM and transmit for M2M, and owing to LTE and GSM covers substantially suitable, therefore, LTE technology is also required to the covering the strengthening 15dB M2M transmission requirement to meet under above-mentioned scene.

For solving the above-mentioned problem covered about M2M transmission, method comparatively direct and feasible at present is that existing physical channel is repeated transmission or similar technology, in theory can by existing physical channel carries out tens times repeating to hundreds of the covering gain of transmission acquisition 15dB. Such as, for Physical Downlink Shared Channel (PDSCH, PhysicalDownlinkSharedCHannel) about need to repeat about tens times to realize the coverage enhancement of 15dB, Physical Uplink Shared Channel (PUSCH, PhysicalUplinkSharedCHannel) is about needed to repeat up to a hundred left and right to realize the coverage enhancement of 15dB.

But the method adopting repeat mechanism realizes coverage enhancement, it is necessary to takies more channel resource, reduces efficiency of transmission and system spectral efficiency, and considerably increase power consumption of terminal.

For the problem in correlation technique, effective solution is not yet proposed at present.

Summary of the invention

For the problem in correlation technique, the present invention proposes a kind of data transmission method for uplink, method of reseptance and device and can pass through to design new transport channel structures lifting transmission performance, to reduce iterative transfer times, improve system spectral efficiency, to save power.

To achieve these goals, according to an aspect of the invention, it is provided a kind of data transmission method for uplink, this data transmission method for uplink includes:

The transmission chunk that length is K bit is carried out chnnel coding, obtains sequence after the coding that length is S bit;

On channel resource corresponding in M subframe conveying length be S bit coding after sequence, wherein M >=1;

I-th subframe in M subframe is transmitted Qi qam symbol q_1, q_2 ..., q_Qi}, Qi qam symbol is obtained by Ki bit in sequence after the coding that length is S bit, wherein, 1��i��M;

Each qam symbol q_j, 1��j��Qi, transmits on the symbol transmit data at least one of i-th subframe, the product that signal is a CAZAC sequence and qam symbol q_j of transmission on the symbol transmit data;

At least one symbol in i-th subframe uploads defeated pilot signal, and pilot signal is a CAZAC sequence.

Providing a kind of data receiver method according to a further aspect in the invention, this data receiver method includes:

Channel resource corresponding in M subframe receives signal, it is thus achieved that sequence after the S bit coding of transmission in M subframe, wherein, M >=1;

After S bit is encoded, sequence carries out channel decoding, obtains the transmission chunk that length is K bit;

I-th subframe in M subframe obtains Qi qam symbol q_1, q_2 ..., q_Qi}, Qi qam symbol is obtained by Ki bit in sequence after the coding that length is S bit, wherein, 1��i��M;

Each qam symbol q_j, 1��j��Qi, transmits on the symbol transmit data at least one of i-th subframe, the product that signal is a CAZAC sequence and qam symbol q_j of transmission on the symbol transmit data;

Obtaining pilot signal at least one symbol of i-th subframe, pilot signal is a CAZAC sequence.

In accordance with a further aspect of the present invention, it is provided that a kind of data sending device, this data sending device includes:

Coding module, for the transmission chunk that length is K bit is carried out chnnel coding, obtains sequence after the coding that length is S bit;

First transport module, on channel resource corresponding in M subframe conveying length be S bit coding after sequence, wherein M >=1;

Second transport module, for Qi qam symbol of transmission in i-th subframe in M subframe q_1, q_2 ..., q_Qi}, Qi qam symbol is obtained by Ki bit in sequence after the coding that length is S bit, 1��i��M;

Wherein, each qam symbol q_j, 1��j��Qi, transmits on the symbol transmit data at least one of i-th subframe, the product that signal is a CAZAC sequence and qam symbol q_j of transmission on the symbol transmit data;

3rd transport module, uploads defeated pilot signal at least one symbol in i-th subframe, and pilot signal is a CAZAC sequence.

According to another aspect of the invention, it is provided that a kind of data sink, this data sink includes:

Receiver module, receives signal on channel resource corresponding in M subframe, it is thus achieved that sequence after the S bit coding of transmission in M subframe, wherein, and M >=1;

Decoding module, carries out channel decoding for sequence after S bit is encoded, obtains the transmission chunk that length is K bit;

First acquisition module, for i-th subframe in M subframe obtains Qi qam symbol q_1, q_2 ..., q_Qi}, Qi qam symbol is obtained by Ki bit in sequence after the coding that length is S bit, 1��i��M;

Wherein, each qam symbol q_j, 1��j��Qi, transmits on the symbol transmit data at least one of i-th subframe, the product that signal is a CAZAC sequence and qam symbol q_j of transmission on the symbol transmit data;

Second acquisition module, for obtaining pilot signal at least one symbol of i-th subframe, pilot signal is a CAZAC sequence.

The present invention proposes a kind of new transport channel structures thus greatly improving transmission performance, and can reduce iterative transfer times, improves system spectral efficiency, save power.

Accompanying drawing explanation

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the flow chart of data transmission method for uplink according to embodiments of the present invention;

Fig. 2 is the flow chart of data receiver method according to embodiments of the present invention;

Fig. 3 is the schematic diagram of the transmission structure under the conventional cyclic prefix (CP, CyclicPrefix) of 10 modulation symbols of each subframe according to the specific embodiment of the invention;

Fig. 4 is the transmission structure schematic diagram under the extended cyclic prefix (CP, CyclicPrefix) of 10 modulation symbols of each subframe according to the specific embodiment of the invention;

Fig. 5 is the transmission structure schematic diagram under the conventional cyclic prefix (CP, CyclicPrefix) of 1 modulation symbol of each subframe according to the specific embodiment of the invention;

Fig. 6 (a) is the transmission structure schematic diagram under the extended cyclic prefix (CP, CyclicPrefix) of 1 modulation symbol of each subframe according to the specific embodiment of the invention;

Fig. 6 (b) is the transmission structure schematic diagram under conventional cyclic prefix (CP, CyclicPrefix) the truncate mode of 1 modulation symbol of each subframe according to the specific embodiment of the invention;

Fig. 6 (c) is the transmission structure schematic diagram under extended cyclic prefix (CP, CyclicPrefix) the truncate mode of 1 modulation symbol of each subframe according to the specific embodiment of the invention;

Fig. 7 is the transmission structure schematic diagram under the conventional cyclic prefix (CP, CyclicPrefix) of 24 modulation symbols of each subframe according to the specific embodiment of the invention;

Fig. 8 is the block diagram of data sending device according to embodiments of the present invention;

Fig. 9 is the block diagram of data sink according to embodiments of the present invention.

Detailed description of the invention

Hereinafter in connection with accompanying drawing, the one exemplary embodiment of the present invention is described. For clarity and conciseness, all features of actual embodiment are not described in the description. But, it should be recognized that, the process developing any this practical embodiments must be made a lot of decision specific to embodiment, to realize the objectives of developer, such as, meet those restrictive conditions relevant to system and business, and these restrictive conditions may change along with the difference of embodiment. Additionally, it also should be appreciated that, although development is likely to be extremely complex and time-consuming, but for having benefited from those skilled in the art of present disclosure, this development is only routine task.

At this, also need to illustrate be a bit, in order to avoid having obscured the present invention because of unnecessary details, illustrate only in the accompanying drawings and according to the closely-related apparatus structure of the solution of the present invention and/or process step, and eliminate other details little with relation of the present invention.

According to The embodiment provides a kind of data transmission method for uplink, this data transmission method for uplink is as it is shown in figure 1, include:

Step S101, carries out chnnel coding to the transmission chunk that length is K bit, obtains sequence after the coding that length is S bit;

Step S103, on channel resource corresponding in M subframe conveying length be S bit coding after sequence, wherein M >=1;

Step S105, i-th subframe in M subframe is transmitted Qi quadrature amplitude modulation (QAM, QuadratureAmplitudeModulation) symbol { q_1, q_2, ..., q_Qi}, Qi qam symbol is obtained by Ki bit in sequence after the coding that length is S bit, Ki is the bit number corresponding with Qi qam symbol, 1��i��M;

Step S107, each qam symbol q_j, 1��j��Qi, transmit on the symbol transmit data at least one of i-th subframe, the product that signal is fixed amplitude zero auto-correlation (CAZAC, a ConstantAmplitudeZeroAuto-Correlation) sequence and qam symbol q_j of transmission on the symbol transmit data;

Step S109, at least one symbol in i-th subframe uploads defeated pilot signal, and pilot signal is a CAZAC sequence.

Wherein, above-mentioned symbol (including the symbol for transmitting data and the symbol of transmission pilot tone) in a subframe accesses (SC-FDMA for single-carrier frequency division multiple access, or OFDM (OFDM SingleCarrierFrequencyDivisionMultipleAccess), OrthogonalFrequencyDivisionMultiplexing) symbol, lower same.

Wherein, above-mentioned chnnel coding includes at least one of:

Turbo coding, convolutional encoding, Rui De-Muller (RM, Reed-Muller) encode.

Wherein, qam symbol is obtained by the modulation system of at least one of, including:

Binary phase shift keying/two-phase PSK (BPSK, BinaryPhase-ShiftKeying), QPSK/QPSK (QPSK, QuadraturePhase-ShiftKeying), 16QAM, 64QAM, 256QAM.

In addition, before qam symbol is modulated, in addition it is also necessary to coded bit sequence is carried out scrambling, wherein, coded bit sequence is length be S bit coding after sequence, or for Ki bit in sequence after the coding that length is S bit corresponding with qam symbol.

Wherein, in the embodiment that the first is possible, content specific as follows is included in step S105 and step S107:

I-th subframe in M subframe is transmitted Qi=N1 qam symbol, transmission on each qam symbol q_j N1 in an i-th subframe symbol in the symbol transmitting data, wherein, N1 is parameter set in advance, it is preferred that N1=10,9,8,7.

Concrete, can each qam symbol q_j be multiplied (such as with the CAZAC sequence that length is A, it is specially dot product, namely a qam symbol q_j is multiplied respectively with each element in the CAZAC sequence that length is A, lower same), obtain the signal that length is A, wherein, A is parameter set in advance, it should be noted that A is the sub-carrier number on a symbol in current transmission resource, for instance transfer resource is 1 Physical Resource Block (PRB, PhysicalResourceBlock) time, A=12;

The signal that length is A is mapped to A subcarrier on the N1 in an i-th subframe symbol in the symbol transmitting data.

Additionally, in the embodiment that the second is possible, additionally also specifically include following content in step S105 and step S107:

Transmitting Qi=1 qam symbol in i-th subframe in M subframe, qam symbol N1 in i-th subframe transmits on the symbol transmit data, and wherein, N1 is parameter set in advance, it is preferred that N1=10,9,8,7.

Concrete, it is possible to line length of going forward side by side being multiplied with the CAZAC sequence that length is A on the qam symbol q_j each symbol for transmit data in first time slot of i-th subframe isOrthogonal sequence spread spectrum, obtaining length isSignal, wherein, A is parameter set in advance, it is necessary to explanation, and A is the sub-carrier number on a symbol in current transmission resource, for instance when transfer resource is 1PRB, A=12; By length it isSignal be mapped in first time slot of i-th subframeA subcarrier on the individual symbol for transmitting data; Line length of going forward side by side being multiplied with the CAZAC sequence that length is A on the qam symbol q_j each symbol for transmit data in second time slot of the i-th subframe isOrthogonal sequence spread spectrum, obtaining length isSignal; By length it isSignal be mapped in second time slot of i-th subframeA subcarrier on the individual symbol for transmitting data.

It addition, in the embodiment that the second is possible, it is also possible to realizing Qi=1 qam symbol of transmission in the i-th subframe in M subframe in the following way, wherein, qam symbol N1 in i-th subframe transmits on the symbol transmit data:

At first time slot of the i-th subframe with length can be by this qam symbolOrthogonal sequence be multiplied, obtaining length isModulation symbol sequence, by this length beModulation symbol sequence in each modulation symbol be multiplied with the CAZAC sequence that length is A, for each modulation symbol, obtaining a length is the signal of A, is mapped to by this signal in first time slot of i-th subframeA subcarrier on a symbol in the individual symbol for transmitting data, by length be successivelyModulation symbol sequence in the product of the CAZAC sequence that each modulation symbol and length are A be mapped in first time slot of i-th subframeThe individual symbol for transmitting data, a qam symbol q_j (1��j��Qi) at second time slot of the i-th subframe with length isOrthogonal sequence be multiplied, obtaining length isModulation symbol sequence, by this length beModulation symbol sequence in each modulation symbol be multiplied with the CAZAC sequence that length is A, for each modulation symbol, obtaining a length is the signal of A, is mapped to by this signal in second time slot of i-th subframeA subcarrier on a symbol in the individual symbol for transmitting data, by length be successivelyModulation symbol sequence in the product of the CAZAC sequence that each modulation symbol and length are A be mapped in second time slot of i-th subframeThe individual symbol for transmitting data.

Additionally, step S107 can also realize (namely in the following way in replacement step S107 realize method) in the following way:

Qi qam symbol of transmission in i-th subframe is carried out spread spectrum, the symbol sebolic addressing after spread spectrum is mapped to the N1 in present sub-frame for carrying the SC-FDMA/OFDM symbol of data;

Wherein, Qi qam symbol is carried out spread spectrum, including: carry out time domain and/or frequency domain spread spectrum; Particularly as follows:

Qi=N1, each modulation symbol in Qi qam symbol is carried out the frequency domain spread spectrum that length is A, being mapped to by modulation symbol sequence after spread spectrum in N1 SC-FDMA/OFDM symbol, wherein A transmits in subcarrier number shared by frequency domain for this time in present sub-frame; Such as reuse the spread spectrum structure of PUCCHformat2/2a/2b in Rel-8/9/10; Or,

Qi=2*A, A modulation symbol in Qi qam symbol is carried out length isTime domain spread spectrum, before the modulation symbol sequence after spread spectrum being mapped in N1 SC-FDMA/OFDM symbolOn individual symbol, A modulation symbol remaining in Qi qam symbol is carried out length isTime domain spread spectrum, after the modulation symbol sequence after spread spectrum being mapped in N1 SC-FDMA/OFDM symbolOn individual symbol, wherein A transmits in subcarrier number shared by frequency domain for this time in present sub-frame; Such as reuse the spread spectrum structure of PUCCHformat3 in Rel-10; Or,

Qi=1, this qam symbol is carried out length isTime domain spread spectrum, and each modulation symbol after time domain spread spectrum is carried out the frequency domain spread spectrum that length is A, before being mapped to by the modulation symbol sequence after spread spectrum in N1 SC-FDMA/OFDM symbolOn individual symbol, this qam symbol is carried out length isTime domain spread spectrum, and each modulation symbol after time domain spread spectrum is carried out the frequency domain spread spectrum that length is A, after being mapped to by the modulation symbol sequence after spread spectrum in N1 SC-FDMA/OFDM symbolOn individual symbol, wherein A transmits in subcarrier number shared by frequency domain for this time in present sub-frame; Such as reuse the spread spectrum structure of PUCCHformat1/1a/1b in Rel-8.

Wherein, specifically can be accomplished in that in step S109

N2 the symbol in i-th subframe uploads defeated pilot signal, and pilot signal is a CAZAC sequence, and wherein N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe, it is preferred that N2=1,2,3; Or

N2 the symbol in i-th subframe uploads defeated pilot signal, pilot signal obtains by each element in a CAZAC sequence carries out the orthogonal sequence spread spectrum that length is N2/2, N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe, it is preferred that N2=1,2,3.

Additionally, step S109 can also be accomplished in that

Pilot signal (reference signal sequence) is carried out spread spectrum, reference signal sequence after spread spectrum is mapped to the N2 in present sub-frame for carrying the SC-FDMA/OFDM symbol of reference signal, the wherein total SC-FDMA/OFDM symbolic number in N1+N2=present sub-frame.

Wherein, reference signal sequence is carried out spread spectrum, including: carry out time domain and/or frequency domain spread spectrum; Particularly as follows:

Reference signal sequence carrying out frequency domain spread spectrum that length is A respectively, is mapped to by the symbol after spread spectrum in each in N2 SC-FDMA/OFDM symbol, wherein A transmits in subcarrier number shared by frequency domain for this time in present sub-frame; Or,

Reference signal sequence is carried out the time domain spread spectrum that length is N2/2, symbol after spread spectrum is mapped on front N2/2 the symbol in N2 SC-FDMA/OFDM symbol, reference signal sequence is carried out the time domain spread spectrum that length is N2/2, the symbol after spread spectrum is mapped on rear N2/2 the symbol in N2 SC-FDMA/OFDM symbol; Or,

Reference signal sequence is carried out the frequency domain spread spectrum that length is A and the time domain spread spectrum that length is N2/2, symbol after spread spectrum is mapped on front N2/2 the symbol in N2 SC-FDMA/OFDM symbol, reference signal sequence is carried out the frequency domain spread spectrum that length is A and the time domain spread spectrum that length is N2/2, being mapped to by symbol after spread spectrum on rear N2/2 the symbol in N2 SC-FDMA/OFDM symbol, wherein A transmits in subcarrier number shared by frequency domain for this time in present sub-frame.

Additionally, the corresponding channel resource in above-mentioned M subframe includes at least one of:

PUCCHformat1, PUCCHformat1a, PUCCHformat1b, PUCCHformat2, PUCCHformat2a, PUCCHformat2b resource. Certainly can also be PUCCHformat3 channel resource.

Additionally providing a kind of data receiver method according to embodiments of the invention, this data receiver method is as in figure 2 it is shown, include:

Step S201, channel resource corresponding in M subframe receives signal, it is thus achieved that sequence after the S bit coding of transmission in M subframe, wherein, and M >=1;

Step S203, after S bit is encoded, sequence carries out channel decoding, obtains the transmission chunk that length is K bit;

Step S205, the i-th subframe in M subframe obtains Qi qam symbol q_1, q_2 ..., q_Qi}, Qi qam symbol is obtained by Ki bit in sequence after the coding that length is S bit, and Ki is the bit number corresponding with Qi qam symbol, 1��i��M;

Step S207, each qam symbol q_j, 1��j��Qi, transmit on the symbol transmit data at least one of i-th subframe, the product that signal is a CAZAC sequence and qam symbol q_j of transmission on the symbol transmit data;

Step S209, obtains pilot signal at least one symbol of i-th subframe, and pilot signal is a CAZAC sequence.

Wherein, above-mentioned chnnel coding includes at least one of:

Turbo coding, convolutional encoding, RM encode.

Wherein, qam symbol is obtained by the modulation system of at least one of, including:

BPSK��QPSK��16QAM��64QAM��256QAM��

In addition, before after S bit is encoded, sequence carries out channel decoding, in addition it is also necessary to coded bit sequence is unscrambled, wherein, coded bit sequence is length be S bit coding after sequence, or for Ki bit in sequence after the coding that length is S bit corresponding with qam symbol.

Wherein, in the embodiment that the first is possible, step S205 and step S207 also include content specific as follows:

I-th subframe in M subframe obtains Qi=N1 qam symbol, transmission on each qam symbol q_j N1 in an i-th subframe symbol in the symbol transmitting data, wherein, N1 is parameter set in advance, it is preferred that N1=10,9,8,7.

Wherein, on A subcarrier on the N1 in an i-th subframe symbol for the symbol transmitting data in, the signal of acquisition is: each qam symbol q_j is multiplied with the CAZAC sequence that length is A the signal that length is A obtained, wherein, A is parameter set in advance;

Based on above-mentioned signal, thus obtain in Qi qam symbol qam symbol q_j.

Additionally, in the embodiment that the second is possible, additionally also specifically include following content in step S205 and step S207:

Obtaining Qi=1 qam symbol in i-th subframe in M subframe, qam symbol N1 in i-th subframe transmits on the symbol transmit data, and wherein, N1 is parameter set in advance, it is preferred that N1=10,9,8,7.

Concrete, in first time slot of i-th subframeThe signal obtained on A subcarrier on the individual symbol for transmitting data is: the line length of going forward side by side of being multiplied with the CAZAC sequence that length is A on qam symbol each symbol for transmit data in first time slot of i-th subframe isThe length that obtains of orthogonal sequence spread spectrum beSignal, wherein, A is parameter set in advance;

In second time slot of i-th subframeThe signal obtained on A subcarrier on the individual symbol for transmitting data is: the line length of going forward side by side of being multiplied with the CAZAC sequence that length is A on qam symbol each symbol for transmit data in second time slot of i-th subframe isOrthogonal sequence spread spectrum, the length obtained isSignal;

Based on the above-mentioned signal obtained, obtain a qam symbol.

Additionally, step S207 can also realize (method namely replacing in above-mentioned steps S207 in the following way) in the following way:

N1 in this subframe the signal on the SC-FDMA/OFDM symbol carrying data is despread, it is thus achieved that Qi qam symbol;

Wherein, Qi qam symbol is despread, including: carry out time domain and/or Frequency Domain Solution spread spectrum; Particularly as follows:

Signal on each SC-FDMA/OFDM in N1 SC-FDMA/OFDM symbol is carried out the Frequency Domain Solution spread spectrum that length is A, obtain 1 QAM modulation symbol, constitute the qam symbol sequence { q_1 comprising Qi=N1 QAM modulation symbol, q_2, ..., q_Qi}, wherein A transmits in subcarrier number shared by frequency domain for this time in present sub-frame; Or,

Before in N1 SC-FDMA/OFDM symbolSignal on individual symbol carries out lengthTime solution spread spectrum, obtain comprising the sequence 1 of A QAM modulation symbol, after in N1 SC-FDMA/OFDM symbolSignal on individual symbol carries out lengthTime solution spread spectrum, obtain comprising the sequence 2 of A QAM modulation symbol, sequence 1 and sequence 2 are constituted comprise Qi=2*A qam symbol QAM sequence q_1, q_2 ..., q_Qi}, wherein A transmits in subcarrier number shared by frequency domain for this time in present sub-frame; Or,

Signal on each symbol in N1 SC-FDMA/OFDM symbol is carried out the Frequency Domain Solution spread spectrum that length is A, and to before in N1 SC-FDMA/OFDM symbolThe symbol after Frequency Domain Solution spread spectrum on individual symbol carries out length and isTime solution spread spectrum, after in N1 SC-FDMA/OFDM symbolThe symbol after Frequency Domain Solution spread spectrum on individual symbol carries out length and isTime solution spread spectrum, obtain 1 qam symbol, wherein A in present sub-frame this time transmission in subcarrier number shared by frequency domain.

Wherein, in step S209, specifically can be accomplished in that

Obtaining pilot signal on N2 symbol of i-th subframe, pilot signal is a CAZAC sequence, and wherein N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe, it is preferred that N2=1,2,3; Or

N2 symbol of i-th subframe obtains pilot signal, pilot signal is obtain by each element in a CAZAC sequence carries out the orthogonal sequence spread spectrum that length is N2/2 in each time slot, N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe, it is preferred that N2=1,2,3.

Additionally, step S209 can also be accomplished in that

N2 in this subframe the signal on the SC-FDMA/OFDM symbol carrying pilot tone (reference signal) is despread, obtain reference signal sequence (i.e. pilot frequency sequence), the wherein total SC-FDMA/OFDM symbolic number in N1+N2=present sub-frame.

Wherein, reference signal is carried out spread spectrum, including: carry out time domain and/or Frequency Domain Solution spread spectrum; Particularly as follows:

Reference signal sequence carrying out frequency domain spread spectrum that length is A respectively, is mapped to by the symbol after spread spectrum in each in N2 SC-FDMA/OFDM symbol, wherein A transmits in subcarrier number shared by frequency domain for this time in present sub-frame; Or,

Reference signal sequence is carried out the time domain spread spectrum that length is N2/2, symbol after spread spectrum is mapped on front N2/2 the symbol in N2 SC-FDMA/OFDM symbol, reference signal sequence is carried out the time domain spread spectrum that length is N2/2, the symbol after spread spectrum is mapped on rear N2/2 the symbol in N2 SC-FDMA/OFDM symbol; Or,

Reference signal sequence is carried out the frequency domain spread spectrum that length is A and the time domain spread spectrum that length is N2/2, symbol after spread spectrum is mapped on front N2/2 the symbol in N2 SC-FDMA/OFDM symbol, reference signal sequence is carried out the frequency domain spread spectrum that length is A and the time domain spread spectrum that length is N2/2, being mapped to by symbol after spread spectrum on rear N2/2 the symbol in N2 SC-FDMA/OFDM symbol, wherein A transmits in subcarrier number shared by frequency domain for this time in present sub-frame.

Additionally, channel resource corresponding in M subframe includes at least one of:

PUCCHformat1, PUCCHformat1a, PUCCHformat1b, PUCCHformat2, PUCCHformat2a, PUCCHformat2b resource. Certainly can also be PUCCHformat3 channel resource.

In addition, it is necessary to such scheme is illustrated:

1) when after being encoded by S bit in said process, sequence is assigned to and is transmitted in M subframe, after first S bit can being encoded, sequence carries out QAM modulation, modulation symbol is assigned in M subframe and is transmitted, after can also directly being encoded by S bit, sequence is assigned in M subframe, in each subframe sequence after the coding being assigned in this subframe is carried out QAM modulation;

2) above-mentioned modulation symbol and reference signal (i.e. pilot tone) are multiplied with CAZAC sequence and through the detailed process of orthogonal sequence spread spectrum, it is possible to reuse and realize process corresponding to a kind of PUCCHformat in PUCCHformat1/1a/1b/2/2a/2b/3;

3) corresponding channel resource is corresponding with the CAZAC sequence used and orthogonal spreading sequence, and corresponding a kind of PUCCHformat;

4) preferably, use the spread spectrum mode of PUCCHformat2 and channel resource to be transmitted, or use the spread spectrum mode of PUCCHformat1b and channel resource to be transmitted;

5) in said process, sending process for upstream data, entity is terminal; Sending process for downlink data, entity is base station.

In order to be better understood from the present invention, come below in conjunction with specific embodiments the scheme of the invention of the present invention is illustrated.

Embodiment 1: assume 1 transmission block (TB, TransportBlock) be sized to K=20 bit, M=8 subframe is transmitted, adopt QPSK modulation, each subframe can be transmitted 20 bits of encoded information (10 QPSK modulation symbols), take 1 PRB and be transmitted, transmission structure is as shown in Figure 3, Fig. 3 is expressed as the transmission structure under conventional CP, 10 modulation symbols of each of which subframe, and concrete transmitting procedure is as follows:

Transmitting terminal:

Step 1: chnnel coding: length is the transmission block of K=20, is encoded to sequence after length S=148 bits of encoded through turbocoding;

Step 2: packet:

Method 1: bit is grouped:

1) sequence after coding is divided intoGroup, wherein, first 7 groups, group often all comprises information after ki=20 bits of encoded, last group comprises information after 8 bits of encoded, wherein owing to last organizes 8 bit informations less than 20 bit informations once transmitting carrying, it is possible to this 8 bit information is repeated to 20 bits, or after 148 bits of encoded, the head of sequence starts to take 12 bit informations again and is placed on last group, gathers into 20 bits and is transmitted;

2) 20 bit informations in often group are carried out QPSK modulation, group often obtains 10 QPSK modulation symbols; Or 2 can not also be included in this step), QPSK modulation is put and realizes in step 3;

Method 2: modulation symbol is grouped;

1) sequence after the coding that above-mentioned length is 148 bits is carried out QPSK modulation, obtain 74 QPSK modulation symbols;

2) 74 modulation symbols are divided intoGroup, wherein, first 7 groups, group often all comprises 10 QPSK modulation symbols, last group comprises 4 QPSK modulation symbols, wherein owing to last 4 QPSK modulation symbols of group are less than 10 the QPSK modulation symbols once transmitting carrying, it is possible to these 4 QPSK modulation symbols are repeated to 10, or start to take 6 QPSK modulation symbols again from the head of 74 QPSK modulation symbols and be placed on last group, gather into 10 QPSK modulation symbols and be transmitted;

Step 3: step is repeated below for each subframe in M=8 subframe:

A) when step 2 adopts method 1, and method 1 does not include 2 in step 2) time when modulation (do not carry out QPSK): carry out QPSK modulation to transmitting 20 bit informations in present sub-frame, obtain 10 QPSK modulation symbols, these 10 QPSK modulation symbols are mapped on the SC-FDMA/OFDM symbol of N1=10 carrying data, otherwise time (namely step 2 adopts method 1 and method 1 to include 2 in step 2), or step 2 is when adopting method 2), directly 10 QPSK modulation symbols of transmission in present sub-frame are mapped on the SC-FDMA/OFDM symbol of N1=10 carrying data, wherein, each modulation symbol is mapped on 12 subcarriers of each SC-FDMA/OFDM symbol after the frequency domain spread spectrum that length is 12, namely each modulation symbol obtains, after being multiplied with the CAZAC sequence that length is 12, the sequence that length is 12, is mapped on 12 subcarriers of a SC-FDMA/OFDM symbol,

Such as, concrete spread spectrum and mapping mode are as follows:

$\begin{array}{c}z(N_{\mathrm{swq}}^{\mathrm{PUCCH}}\&CenterDot;n+i)=d\left(n\right)\&CenterDot;r_{n,v}^{\left(\mathrm{\&alpha;}\right)}\left(i\right)\\ n=\mathrm{0,1},...,9\\ i=\mathrm{0,1},...,N_{\mathrm{sc}}^{\mathrm{RB}}-1\end{array}$

Wherein, z is the sequence after mapping, and d (n) is 10 QPSK modulation symbol sequences in every group, and n is for transmitting the SC-FDMA/OFDM notation index of data in a subframe, i is the sub-carrier indices on a SC-FDMA/OFDM symbol (in a PRB)It is the subcarrier number in a PRB,Represent QPSK modulation symbol number mapped on a SC-FDMA/OFDM symbol, length be 12 CAZAC sequence can produce as follows:

$r_{u,v}^{\left(\mathrm{\&alpha;}\right)}\left(n\right)=e^{\mathrm{j\&alpha;n}}{\stackrel{\&OverBar;}{r}}_{u,v}0\&le;n\&le;M_{\mathrm{sc}}^{\mathrm{RS}}$

Wherein, $M_{\mathrm{sc}}^{\mathrm{RS}}=N_{\mathrm{sc}}^{\mathrm{RB}},$

Provided by following form,

$\mathrm{\&alpha;}(n_s,l)=2\mathrm{\&pi;}\&CenterDot;n_{\mathrm{cs}}(n_s,l)/N_{\mathrm{cs}}^{\mathrm{RB}};$

$n_{\mathrm{cs}}(n_s,l)=(n_{\mathrm{cs}}^{\mathrm{cell}}(n_s,l)+n^{\&prime;}\left(n_s\right))\mathrm{mod}{N}_{\mathrm{SC}}^{\mathrm{RB}}$ And $n_{\mathrm{cs}}^{\mathrm{cell}}(n_s,l)={\mathrm{\&Sigma;}}_{i=0}^{7}c(8N_{\mathrm{symb}}^{\mathrm{UL}}\&CenterDot;n_s+8l+i)\&CenterDot;2^i$ And

Work as n_sDuring mod2=0, $n^{\&prime;}\left(n_s\right)=\left\{\begin{array}{cc}{n}_{\mathrm{PUCCH}}^{\left(2\right)}\mathrm{mod}{N}_{\mathrm{cs}}^{\mathrm{RB}}& \mathrm{if}{n}_{\mathrm{PUCCH}}^{\left(2\right)}<N_{\mathrm{cs}}^{\mathrm{RB}}{N}_{\mathrm{RB}}^{\left(2\right)}\\ (n_{\mathrm{PUCCH}}^{\left(2\right)}+N_{\mathrm{cs}}^{\left(1\right)}+1)\mathrm{mod}{N}_{\mathrm{sc}}^{\mathrm{RB}}& \mathrm{otherwise}\end{array}\right.,$

Work as n_sDuring mod2=1, $n^{\&prime;}\left(n_s\right)=\left\{\begin{array}{cc}\left[N_{\mathrm{sc}}^{\mathrm{RB}}(n^{\&prime;}(n_s-1)+1)\right]\mathrm{mod}(N_{\mathrm{sc}}^{\mathrm{RB}}+1)-1& \mathrm{if}{n}_{\mathrm{PUCCH}}^{\left(2\right)}<N_{\mathrm{sc}}^{\mathrm{RB}}{N}_{\mathrm{RB}}^{\left(2\right)}\\ (N_{\mathrm{sc}}^{\mathrm{RB}}-2-n_{\mathrm{PUCCH}}^{\left(2\right)})\mathrm{mod}{N}_{\mathrm{sc}}^{\mathrm{RB}}& \mathrm{otherwise}\end{array}\right.$

In above-mentioned formula, ns is time-gap number, and l is SC-FDMA/OFDM symbol number,Be the SC-FDMA symbolic number in a time slot, c (i) for pseudo-random sequence (pseudo-randomsequence) and byInitialize, whereinFor the community ID of UE operational cell,Channel resource for PUCCHformat2 indexes,For PUCCHformat2 in systems can amount of bandwidth (showing as RB number),The then cyclic shift number (cyclicshift) shared by PUCCHformat1/1a/1b in Mixed Zone in format2 available resources;

Table5.5.1.2-1:Definitionoffor

Table one

B) to each CAZAC sequence that symbol generation length is 12 for transmitting pilot tone as the reference signal sequence of transmission on this symbol, in each time slot respectively through the time domain spread spectrum that length is 2, namely spread spectrum is carried out through the orthogonal sequence that length is 2, it is mapped on the SC-FDMA/OFDM symbol of N2=4 carrying pilot tone (reference signal) in a subframe, wherein, length is the corresponding subcarrier of each symbol in the reference signal sequence of 12;

Such as, concrete spread spectrum and mapping mode are as follows:

$r^{\mathrm{PUCCH}}(m^{\&prime;}{N}_{\mathrm{RS}}^{\mathrm{PUCCH}}{M}_{\mathrm{sc}}^{\mathrm{RS}}+m{M}_{\mathrm{sc}}^{\mathrm{RS}}+n)=\stackrel{\&OverBar;}{w}\left(m\right)r_{u,v}^{\left(\mathrm{\&alpha;}\right)}\left(n\right),\begin{array}{c}m=0,...,N_{\mathrm{RS}}^{\mathrm{PUCCH}}-1\\ n=0,...,M_{\mathrm{sc}}^{\mathrm{RS}}-1\\ m^{\&prime;}=\mathrm{0,1}\end{array}$

Wherein,With �� (n_s, being defined as above l);Definition as shown in the table;It is the number of pilot symbols in a time slot, for queue CP,During extension CP,

Table5.5.2.2.1-3:OrthogonalsequencesforPUCCHformats2,2a,2b.

Table two

C) signal after sending above-mentioned mapping on the PUCCHformat2/2a/2b channel resource corresponding to this subframe.

Receiving terminal:

Step 1: receive: being repeated below operation in each subframe in M=8 subframe, wherein step C and D can not also carry out, particularly when the modulation symbol sequence using ML algorithm to obtain transmission in a subframe;

A) on the PUCCHformat2/2a/2b channel resource corresponding to this subframe, signal is received;

B) signal that length is 12 on each symbol in present sub-frame 10 SC-FDMA/OFDM symbols carrying data is carried out Frequency Domain Solution spread spectrum, namely the conjugate sequence of the CAZAC sequence that transmitting terminal adopts it is multiplied by, such as detailed process can be the inverse process of above-mentioned transmitting terminal, obtain 1 QPSK modulation symbol, there are and comprise 10 QPSK modulation symbols;

C) signal that length is 12 on each symbol on the SC-FDMA/OFDM symbol obtaining 2 carrying pilot tones in present sub-frame first time slot is despread, obtaining 1 row length is the reference symbol sequence of 12, as the channel estimating of first time slot; The signal that length is 12 on each symbol on the SC-FDMA/OFDM symbol obtaining 2 carrying pilot tones in present sub-frame second time slot is despread, obtaining 1 row length is the reference symbol sequence of 12, channel estimating as the 2nd time slot, for instance detailed process can be the inverse process of above-mentioned transmitting terminal;

D) modulation symbol in a subframe is carried out channel compensation by the channel estimation value produced based on pilot tone;

E) when transmitting terminal step 2 adopts method 1 and does not comprise 2) time, 10 modulation symbols in one subframe are carried out QPSK demodulation, obtain sequence Si after 20 bits of encoded, otherwise (namely in transmitting terminal step 2 employing method 1 and comprise 2), or transmitting terminal step 2 adopts method 2), do not perform E);

Step 2: cascade:

When transmitting terminal step 2 adopts method 1:

1) 10 modulation symbols often organized are carried out QPSK demodulation, group often obtains the sequence after 20 bits of encoded; Wherein, when transmitting terminal step 2 does not comprise 2) time, do not perform this step;

2) sequence after 20 bits of encoded obtained in each subframe is carried out cascade (bit repeating transmission is merged), obtain sequence after the coding that length is 148;

When transmitting terminal step 2 adopts method 2:

1) 10 the QPSK modulation symbols obtained in each subframe are carried out cascade (symbol repeating transmission is merged), obtain the QPSK modulation symbol sequence that length is 74;

2) the QPSK modulation symbol sequence that length is 74 is carried out QPSK demodulation, obtain sequence after the coding that length is 148;

Step 3: channel decoding: sequence after the coding that length is 148 is carried out turbodecoding, obtains the transmission block that length is K=20;

Embodiment 2: that assumes 1 transmission block (TB) is sized to K=20 bit, M=50 subframe is transmitted, adopt QPSK modulation, each subframe can be transmitted 20 bits of encoded information (10 QPSK modulation symbols), take 1 PRB to be transmitted, transmission structure is as it is shown on figure 3, concrete transmitting procedure is as follows:

Transmitting terminal:

Step 1: chnnel coding: length be the transmission block of K=20 through turbocoding and rate-matched (namely rate-matched repeats 3 data streams of turbocoding output to mate corresponding encoded length), be encoded to sequence after length S=50*20=1000 bits of encoded;

Step 2: packet:

Method 1: bit is grouped:

1) sequence after coding is divided into 50 groups, wherein, often organizes information after all comprising ki=20 bits of encoded (owing to coding and rate-matched itself are to carry out according to total bit number of 50 sub-frame transmission, it is possible to full segmentation is 50 groups);

2) 20 bit informations in often group are carried out QPSK modulation, group often obtains 10 QPSK modulation symbols; Or 2 can not also be included in this step), QPSK modulation is put and realizes in step 3;

Method 2: modulation symbol is grouped:

1) sequence after the coding that above-mentioned length is 1000 bits is carried out QPSK modulation, obtain 500 QPSK modulation symbols;

2) 500 modulation symbols are divided into 50 groups, wherein, often organize and all comprise 10 QPSK modulation symbols;

Step 3: transmission: the corresponding steps repeated in embodiment 1 for each subframe in 50 subframes, is not repeated herein;

Receiving terminal:

Step 1: receive: repeat such as the corresponding steps of embodiment 1 in each subframe in 50 subframes, be not repeated herein;

Step 2: cascade:

When transmitting terminal step 2 adopts method 1:

1) 10 modulation symbols often organized are carried out QPSK demodulation, group often obtains the sequence after 20 bits of encoded; Wherein, when transmitting terminal step 2 does not comprise 2) time, do not perform this step;

2) sequence after 20 bits of encoded obtained in each subframe is carried out cascade, obtain sequence after the coding that length is 1000;

When transmitting terminal step 2 adopts method 2:

1) 10 the QPSK modulation symbols obtained in each subframe are carried out cascade, obtain the QPSK modulation symbol sequence that length is 500;

2) the QPSK modulation symbol sequence that length is 500 is carried out QPSK demodulation, obtain sequence after the coding that length is 1000;

Step 3: channel decoding: sequence after the coding that length is 1000 is carried out turbodecoding and rate de-matching (rate de-matching is about to repeat the corresponding bits of transmission and merges, to obtain gain), obtains the transmission block that length is K=20;

In above-described embodiment 1 and 2, under extension CP, the symbol carrying data and carrying pilot tone in a subframe distributes as shown in Figure 4, when adopting this structure to be embodied as step similar with above-described embodiment content, it is distinctive in that the symbolic number N1 carrying data in a subframe and the symbolic number N2 of carrying pilot tone, and it is assigned to the coded bit number in each subframe and qam symbol number, do not repeat them here.

Embodiment 3: that assumes 1 transmission block (TB) is sized to K=20 bit, M=74 subframe is transmitted, adopt QPSK modulation, each subframe can be transmitted 2 bits of encoded information (1 QPSK modulation symbol), take 1 PRB to be transmitted, transmission structure is as it is shown in figure 5, concrete transmitting procedure is as follows:

Transmitting terminal:

Step 1: chnnel coding: length is the transmission block of K=20, is encoded to sequence after length S=148 bits of encoded through turbocoding;

Step 2: packet:

Method 1: bit groupings:

1) sequence after coding is divided intoGroup, wherein, often all comprises information after ki=2 bits of encoded in group;

2) 2 bit informations in often group are carried out QPSK modulation, group often obtains 1 QPSK modulation symbol; Or 2 can not also be included in this step), QPSK modulation is put and realizes in step 3;

Method 2: packet of modulation symbols

1) sequence after the coding that above-mentioned length is 148 bits is carried out QPSK modulation, obtain 74 QPSK modulation symbols;

2) 74 modulation symbols are divided intoGroup, wherein, often all comprises 1 QPSK modulation symbol in group;

Step 3: transmission: step is repeated below for each subframe in 74 subframes:

A) when step 2 adopts method 1, and method 1 does not include 2 in step 2) time when modulation (do not carry out QPSK): 2 bit informations in sequence after the coding sent in present sub-frame are carried out QPSK modulation, obtain 1 modulation symbol, this 1 modulation symbol is mapped on the SC-FDMA/OFDM symbol of N1=8 carrying data in a subframe, otherwise time (namely step 2 adopts method 1 and method 1 to include 2 in step 2), or step 2 is when adopting method 2), directly this 1 modulation symbol is mapped on the SC-FDMA/OFDM symbol of N1=8 carrying data in a subframe, wherein, this 1 modulation symbol obtains 4 modulation symbols at each time slot through the time domain frequency expansion sequence that length is 4, each modulation symbol in these 4 modulation symbols is mapped on 12 subcarriers of each SC-FDMA/OFDM symbol (above-mentioned spreading step can also first frequency domain spread spectrum time domain spread spectrum again, order is variable) after the frequency domain spread spectrum (being namely multiplied with the CAZAC sequence that length is 12) that length is A=12,

Such as, concrete spread spectrum and mapping mode are as follows:

$y\left(n\right)=d\left(0\right)\&CenterDot;r_{u,v}^{\left(\mathrm{\&alpha;}\right)}\left(n\right),n=\mathrm{0,1},...,N_{\mathrm{seq}}^{\mathrm{PUCCH}}-1$

$z(m^{\&prime;}\&CenterDot;N_{\mathrm{SF}}^{\mathrm{PUCCH}}\&CenterDot;N_{\mathrm{seq}}^{\mathrm{PUCCH}}+m\&CenterDot;N_{\mathrm{seq}}^{\mathrm{PUCCH}}+n)={w_n}_{\mathrm{oc}}\left(m\right)\&CenterDot;y\left(n\right)$ And $\begin{array}{c}m=0,...,N_{\mathrm{SF}}^{\mathrm{PUCCH}}-1\\ n=0,...,N_{\mathrm{seq}}^{\mathrm{PUCCH}}-1\\ m^{\&prime;}=\mathrm{0,1}\end{array}$

Wherein,

D (0) is this 1 modulation symbol,For each time slot transmits the symbolic number of data, for general format, in each time slotFor truncate form (when namely last symbol is used for transmitting SRS), in first time slotIn second time slotDifferentCorresponding orthogonal sequenceAs shown in the table;

$\mathrm{\&alpha;}(n_s,l)=2\mathrm{\&pi;}\&CenterDot;n_{\mathrm{cs}}(n_s,l)/N_{\mathrm{sc}}^{\mathrm{RB}}$

$n_{\mathrm{cs}}(n_s,l)=\left\{\begin{array}{cc}[n_{\mathrm{cs}}^{\mathrm{cell}}(n_s,l)+(n^{\&prime;}\left(n_s\right)\&CenterDot;{\mathrm{\&Delta;}}_{\mathrm{shift}}^{\mathrm{PUCCH}}+\left(n_{\mathrm{oc}}\left(n_s\right)\mathrm{mod}{\mathrm{\&Delta;}}_{\mathrm{shift}}^{\mathrm{PUCCH}}\right))\mathrm{mod}{N}^{\&prime;}]& \mathrm{for\; normal\; cyclic\; prefix}\\ [n_{\mathrm{cs}}^{\mathrm{cell}}(n_s,l)+(n^{\&prime;}\left(n_s\right)\&CenterDot;{\mathrm{\&Delta;}}_{\mathrm{shift}}^{\mathrm{PUCCH}}+n_{\mathrm{oc}}\left(n_s\right)/2)\mathrm{mod}{N}^{\&prime;}]\mathrm{mod}{N}_{\mathrm{sc}}^{\mathrm{RB}}& \mathrm{for\; extended\; cyclic\; prefix}\end{array}\right.$

$N^{\&prime;}=\left\{\begin{array}{cc}{N}_{\mathrm{cs}}^{\left(1\right)}& \mathrm{if}{n}_{\mathrm{PUCCH}}^{\left(1\right)}<c\&CenterDot;N_{\mathrm{cs}}^{\left(1\right)}/{\mathrm{\&Delta;}}_{\mathrm{shift}}^{\mathrm{PUCCH}}\\ N_{\mathrm{sc}}^{\mathrm{RB}}& \mathrm{otherwise}\end{array}\right.$

$c=\left\{\begin{array}{cc}3& \mathrm{normal\; cyclic\; prefix}\\ 2& \mathrm{extended\; cyclic\; prefix}\end{array}\right.$

Work as n_sDuring mod2=0, $n^{\&prime;}\left(n_s\right)=\left\{\begin{array}{cc}{n}_{\mathrm{PUCCH}}^{\left(1\right)}& \mathrm{if}{n}_{\mathrm{PUCCH}}^{\left(1\right)}<c\&CenterDot;N_{\mathrm{cs}}^{\left(1\right)}/{\mathrm{\&Delta;}}_{\mathrm{shift}}^{\mathrm{PUCCH}}\\ (n_{\mathrm{PUCCH}}^{\left(1\right)}-c\&CenterDot;N_{\mathrm{cs}}^{\left(1\right)}/{\mathrm{\&Delta;}}_{\mathrm{shift}}^{\mathrm{PUCCH}})\mathrm{mod}(c\&CenterDot;N_{\mathrm{sc}}^{\mathrm{RB}}/{\mathrm{\&Delta;}}_{\mathrm{shift}}^{\mathrm{PUCCH}})& \mathrm{otherwise}\end{array}\right.$

Work as n_sDuring mod2=1,AndWherein, during conventional CP, d=2 extends d=0 during CP;

In above-mentioned formula,For cyclic shift interval,Numbering for PUCCHformat1/1a/1b channel resource, other parameters are with parameter mentioned in embodiment 1;

Table5.4.1-2:Orthogonalsequencesfor

Table three

Table5.4.1-3:Orthogonalsequencesfor

Table four

B) producing length is the reference signal sequence of 12, in each time slot respectively through the time domain spread spectrum that length is 3, and the reference signal sequence that each length is 12 after spread spectrum carries out frequency domain spread spectrum that length is 12, and (above-mentioned spreading step can also first frequency domain spread spectrum time domain spread spectrum again, order is variable), it is mapped on the SC-FDMA/OFDM symbol of N2=6 carrying pilot tone (reference signal) in a subframe, wherein, length is the corresponding subcarrier of each symbol in the reference signal sequence of 12;

Such as, concrete spread spectrum and mapping mode are as follows:

$r^{\mathrm{PUCCH}}(m^{\&prime;}{N}_{\mathrm{RS}}^{\mathrm{PUCCH}}{M}_{\mathrm{sc}}^{\mathrm{RS}}+m{M}_{\mathrm{sc}}^{\mathrm{RS}}+n)=\stackrel{\&OverBar;}{w}\left(m\right)r_{u,v}^{\left(\mathrm{\&alpha;}\right)}\left(n\right),\begin{array}{c}m=0,...,N_{\mathrm{RS}}^{\mathrm{PUCCH}}-1\\ n=0,...,M_{\mathrm{sc}}^{\mathrm{RS}}-1\\ m^{\&prime;}=\mathrm{0,1}\end{array}$

Wherein,It is the number of pilot symbols in a time slot, for queue CP,During extension CP, $N_{\mathrm{RS}}^{\mathrm{PUCCH}}=2;$

$\mathrm{\&alpha;}(n_s,l)=2\mathrm{\&pi;}\&CenterDot;{\stackrel{\&OverBar;}{n}}_{\mathrm{cs}}(n_s,l)/N_{\mathrm{sc}}^{\mathrm{RB}}$

${\stackrel{\&OverBar;}{n}}_{\mathrm{cs}}(n_s,l)=\left\{\begin{array}{cc}[n_{\mathrm{cs}}^{\mathrm{cell}}(n_s,l)+(n^{\&prime;}\left(n_s\right)\&CenterDot;{\mathrm{\&Delta;}}_{\mathrm{shift}}^{\mathrm{PUCCH}}+\left({\stackrel{\&OverBar;}{n}}_{\mathrm{oc}}\left(n_s\right)\mathrm{mod}{\mathrm{\&Delta;}}_{\mathrm{shift}}^{\mathrm{PUCCH}}\right))\mathrm{mod}{N}^{\&prime;}]& \mathrm{for\; normal\; cyclic\; prefix}\\ [n_{\mathrm{cs}}^{\mathrm{cell}}(n_s,l)+(n^{\&prime;}\left(n_s\right)\&CenterDot;{\mathrm{\&Delta;}}_{\mathrm{shift}}^{\mathrm{PUCCH}}+{\stackrel{\&OverBar;}{n}}_{\mathrm{oc}}\left(n_s\right))\mathrm{mod}{N}^{\&prime;}]\mathrm{mod}{N}_{\mathrm{sc}}^{\mathrm{RB}}& \mathrm{for\; extended\; cyclic\; prefix}\end{array}\right.$

N ' (n in above-mentioned formula_s),N��,andDefinition is with step A

Table5.5.2.2.1-2:OrthogonalsequencesforPUCCHformats1,1aand1b.

Table five

C) signal after sending above-mentioned mapping on the PUCCHformat1/1a/1b channel resource corresponding to this subframe.

Receiving terminal:

Step 1: receive: being repeated below operation in each subframe in 74 subframes, wherein step B and C can not also carry out, particularly when the modulation symbol sequence using ML algorithm to obtain transmission in each subframe;

A) on the PUCCHformat1/1a/1b channel resource corresponding to this subframe, signal is received;

B) signal in present sub-frame 8 SC-FDMA/OFDM symbols carrying data is carried out time domain and Frequency Domain Solution spread spectrum, for instance be specifically as follows the inverse process of transmitting terminal corresponding operating, obtain 1 QPSK modulation symbol;

C) signal that length is 12 on each symbol on the SC-FDMA/OFDM symbol obtaining 2 carrying pilot tones in present sub-frame first time slot is carried out time domain and Frequency Domain Solution spread spectrum, obtaining 1 row length is the reference symbol sequence of 12, as the channel estimating of first time slot; The signal that length is 12 on each symbol on the SC-FDMA/OFDM symbol obtaining 2 carrying pilot tones in present sub-frame second time slot is carried out time domain and Frequency Domain Solution spread spectrum, obtaining 1 row length is the reference symbol sequence of 12, as the channel estimating of the 2nd time slot; Such as it is specifically as follows the inverse process of transmitting terminal corresponding operating,

D) modulation symbol of transmission in present sub-frame is carried out channel compensation by the channel estimation value produced based on pilot tone;

E) when transmitting terminal step 2 adopts method 1 and does not comprise 2) time, the modulation symbol of transmission in present sub-frame is carried out QPSK demodulation, obtains sequence after 2 bits of encoded; Otherwise (namely in transmitting terminal step 2 employing method 1 and comprise 2), or transmitting terminal step 2 adopts method 2), do not perform E);

Step 2: cascade:

When transmitting terminal step 2 adopts method 1:

1) 1 modulation symbol often organized is carried out QPSK demodulation, group often obtains the sequence after 2 bits of encoded; Wherein, when transmitting terminal step 2 does not comprise 2) time, do not perform this step;

2) sequence Si after 2 bits of encoded obtained in each subframe is carried out cascade, obtain sequence after the coding that length is 148

When transmitting terminal step 2 adopts method 2:

1) 1 the QPSK modulation symbol obtained in each subframe is carried out cascade, obtain the QPSK modulation symbol sequence that length is 74;

2) the QPSK modulation symbol sequence that length is 74 is carried out QPSK demodulation, obtain sequence after the coding that length is 148;

Step 3: channel decoding: sequence after the coding that length is 148 is carried out turbodecoding, obtains the transmission block that length is K=20;

Embodiment 4: that assumes 1 transmission block (TB) is sized to K=20 bit, M=100 subframe is transmitted, adopt QPSK modulation, each subframe can be transmitted 20 bits of encoded information (10 QPSK modulation symbols), take 1 PRB to be transmitted, transmission structure is as it is shown in figure 5, concrete transmitting procedure is as follows:

Transmitting terminal:

Step 1: chnnel coding: length be the transmission block of K=20 through turbocoding and rate-matched (namely rate-matched repeats 3 data streams of turbocoding output to mate corresponding encoded length), be encoded to sequence after length S=100*2=200 bits of encoded;

Step 2: packet:

Method 1: bit groupings:

1) sequence after coding is divided into 100 groups, wherein, information (owing to coding and rate-matched itself are to carry out according to total bit number of 100 sub-frame transmission, it is possible to full segmentation is 100 groups) after often all comprising ki=2 bits of encoded in group;

2) 2 bit informations in often group are carried out QPSK modulation, group often obtains 1 QPSK modulation symbol; Or 2 can not also be included in this step), QPSK modulation is put and realizes in step 3;

Method 2: packet of modulation symbols:

1) sequence after the coding that above-mentioned length is 200 bits is carried out QPSK modulation, obtain 100 QPSK modulation symbols;

2) 100 modulation symbols are divided into 100 groups, wherein, group often all comprise 1 QPSK modulation symbol;

Step 3: transmission: for the processing procedure of each subframe in 100 subframes with the corresponding steps in embodiment 3, be not repeated herein;

Receiving terminal:

Step 1: receive: repeat such as the corresponding steps of embodiment 3 in each subframe in 100 subframes, be not repeated herein;

Step 2: cascade:

When transmitting terminal step 2 adopts method 1:

1) 1 modulation symbol often organized is carried out QPSK demodulation, group often obtains the sequence after 2 bits of encoded; Wherein, when transmitting terminal step 2 does not comprise 2) time, do not perform this step;

2) sequence after 2 bits of encoded obtained in each subframe is carried out cascade, obtain sequence after the coding that length is 200;

When transmitting terminal step 2 adopts method 2:

1) 1 the QPSK modulation symbol obtained in each subframe is carried out cascade, obtain the QPSK modulation symbol sequence that length is 100;

2) the QPSK modulation symbol sequence that length is 100 is carried out QPSK demodulation, obtain sequence after the coding that length is 200;

Step 3: channel decoding: sequence after the coding that length is 200 is carried out turbodecoding and rate de-matching (rate de-matching is about to repeat the corresponding bits of transmission and merges, to obtain gain), obtains the transmission block that length is K=20;

In above-described embodiment 3 and 4, under extension CP, the symbol carrying data and carrying pilot tone in a subframe distributes as shown in Fig. 6 (a); When there is SRS transmission in last symbol, conventional CP and extension CP carries the symbol distribution of data and carrying pilot tone respectively as shown in Fig. 6 (b) and (c) in a subframe, when adopting these structures to be embodied as step similar with above-described embodiment content, it is distinctive in that the symbolic number N1 carrying data in a subframe and the symbolic number N2 of carrying pilot tone, and it is assigned to the coded bit number in each subframe and qam symbol number, do not repeat them here.

Embodiment 5: that assumes 1 transmission block (TB) is sized to K=20 bit, M=10 subframe is transmitted, adopt QPSK modulation, each subframe can be transmitted 48 bits of encoded information (24 QPSK modulation symbols), take 1 PRB to be transmitted, transmission structure is as it is shown in fig. 7, concrete transmitting procedure is as follows:

Transmitting terminal:

Step 1: chnnel coding: length be the transmission block of K=20 through turbocoding and rate-matched (namely rate-matched repeats 3 data streams of turbocoding output to mate corresponding encoded length), be encoded to sequence after length S=48*10=480 bits of encoded;

Step 2: packet:

Method 1: bit is grouped:

1) sequence after coding is divided into 10 groups, wherein, information (owing to coding and rate-matched itself are to carry out according to total bit number of 10 sub-frame transmission, it is possible to full segmentation is 10 groups) after often all comprising ki=48 bits of encoded in sequence after group coding;

2) 48 bit informations in sequence after often organizing coding are carried out QPSK modulation, group often obtains 24 QPSK modulation symbols; Or 2 can not also be included in this step), QPSK modulation is put and realizes in step 3;

Method 2: modulation symbol is grouped:

1) sequence after the coding that above-mentioned length is 480 bits is carried out QPSK modulation, obtain 240 QPSK modulation symbols;

2) 240 modulation symbols are divided into 10 groups, wherein, often organize and all comprise 24 QPSK modulation symbols;

Step 3: transmission: step is repeated below for each subframe in 10 subframes:

A) when step 2 adopts method 1, and method 1 does not include 2 in step 2) time when modulation (do not carry out QPSK): 48 bit informations in sequence after the coding of transmission in present sub-frame are carried out QPSK modulation, obtain 24 QPSK modulation symbols, 12 modulation symbols in these 24 QPSK modulation symbols are mapped on the SC-FDMA/OFDM symbol of 5 carrying data in first time slot, 12 modulation symbols of residue in these 24 QPSK modulation symbols are mapped on the SC-FDMA/OFDM symbol of 5 carrying data in second time slot, otherwise time (namely step 2 adopts method 1 and method 1 to include 2 in step 2), or step 2 is when adopting method 2), directly 12 modulation symbols in 24 QPSK modulation symbols of transmission in present sub-frame are mapped on the SC-FDMA/OFDM symbol of 5 carrying data in first time slot, 12 modulation symbols of residue in these 24 QPSK modulation symbols are mapped on the SC-FDMA/OFDM symbol of 5 carrying data in second time slot, wherein, in each time slot, 12 modulation symbols are mapped on 12 subcarriers of each SC-FDMA/OFDM symbol after the time domain spread spectrum that length is 5, the i.e. corresponding subcarrier of each modulation symbol in 12 modulation symbols, each modulation symbol in 12 modulation symbols is mapped to after being multiplied with the orthogonal sequence that length is 5 on 5 SC-FDMA/OFDM symbols,

Such as, concrete spread spectrum and mapping mode are as follows:

$y_n^{\left(\tilde{p}\right)}\left(i\right)=\left\{\begin{array}{cc}{w}_{n_{\mathrm{oc},0}^{\left(\tilde{p}\right)}}\left(\stackrel{\&OverBar;}{n}\right)\&CenterDot;d\left(i\right)& n<N_{\mathrm{SF},0}^{\mathrm{PUCCH}}\\ w_{n_{\mathrm{oc},1}^{\left(\tilde{p}\right)}}\left(\stackrel{\&OverBar;}{n}\right)\&CenterDot;d(N_{\mathrm{sc}}^{\mathrm{RB}}+i)& \mathrm{otherwise}\end{array}\right.$

$\stackrel{\&OverBar;}{n}n\mathrm{mod}{M}_{\mathrm{SF},0}^{\mathrm{PUCCH}}$

$n=0,...,N_{\mathrm{SF},0}^{\mathrm{PUCCH}}+N_{\mathrm{SF},1}^{\mathrm{PUCCH}}-1$

$i=\mathrm{0,1},...,N_{\mathrm{sc}}^{\mathrm{RB}}-1$

Wherein, for general format, the symbolic number of the carrying data of first time slot and second time slot is identical, namelyFor truncate form, in first time slotIn second time slotOrthogonal sequenceandAs shown in the table;Number for PUCCHformat3 channel resource;

$n_{\mathrm{oc},0}^{\left(\tilde{p}\right)}=n_{\mathrm{PUCCH}}^{(3,\tilde{p})}\mathrm{mod}{M}_{\mathrm{SF},1}^{\mathrm{PUCCH}}$

$n_{\mathrm{oc},1}^{\left(\tilde{p}\right)}=\left\{\begin{array}{cc}\left(3n_{\mathrm{oc},0}^{\left(\tilde{p}\right)}\right)\mathrm{mod}{N}_{\mathrm{SF},1}^{\mathrm{PUCCH}}& \mathrm{if}{N}_{\mathrm{SF},1}^{\mathrm{PUCCH}}=5\\ n_{\mathrm{oc},0}^{\left(\tilde{p}\right)}\mathrm{mod}{N}_{\mathrm{SF},1}^{\mathrm{PUCCH}}& \mathrm{otherwise}\end{array}\right.$

Wherein,WithRelation such as following table;

Table5.5.2.2.1-4:RelationbetweenandforPUCCHformat3.

Table six

Table5.4.2A-1:Theorthogonalsequence

Table seven

Wherein, above-mentioned spreading procedure can also include symbol level scrambling, for instance:Can further include cyclic shift, for instance:Sequence after spread spectrum be can further include precoding,

$z^{\left(\tilde{p}\right)}(n\&CenterDot;N_{\mathrm{sc}}^{\mathrm{RB}}+k)=\frac{1}{\sqrt{P}}\frac{1}{\sqrt{N_{\mathrm{sc}}^{\mathrm{RB}}}}\underset{i=0}{\overset{N_{\mathrm{sc}}^{\mathrm{RB}}-1}{\mathrm{\&Sigma;}}}{\tilde{y}}_n^{\left(\tilde{p}\right)}\left(i\right)e^{-j\frac{2\mathrm{\&pi;ik}}{N_{\mathrm{sc}}^{\mathrm{RB}}}}$

Such as: $\begin{array}{c}k=0,...,N_{\mathrm{sc}}^{\mathrm{RB}}-1\\ n=0,...,N_{\mathrm{SF},0}^{\mathrm{PUCCH}}+N_{\mathrm{SF},1}^{\mathrm{PUCCH}}-1\end{array},$ P is antenna port number;

B) to each CAZAC sequence that symbol generation length is 12 for transmitting pilot tone as the reference signal sequence of transmission on this symbol, in each time slot respectively through the time domain spread spectrum that length is 2, namely spread spectrum is carried out through the orthogonal sequence that length is 2, it is mapped on the SC-FDMA/OFDM symbol of N2=4 carrying pilot tone (reference signal) in a subframe, wherein, length is the corresponding subcarrier of each symbol in the reference signal sequence of 12;

Such as, concrete spread spectrum and mapping mode are as follows:

$r_{\mathrm{PUCCH}}^{\left(\tilde{p}\right)}(m^{\&prime;}{N}_{\mathrm{RS}}^{\mathrm{PUCCH}}{M}_{\mathrm{sc}}^{\mathrm{RS}}+m{M}_{\mathrm{sc}}^{\mathrm{RS}}+n)=\frac{1}{\sqrt{P}}{\stackrel{\&OverBar;}{w}}^{\left(\tilde{p}\right)}\left(m\right)r_{u,v}^{\left({\mathrm{\&alpha;}}_{\tilde{p}}\right)}n,\begin{array}{c}m=0,...,N_{\mathrm{RS}}^{\mathrm{PUCCH}}-1\\ n=0,...,M_{\mathrm{sc}}^{\mathrm{RS}}-1\\ m^{\&prime;}=\mathrm{0,1}\end{array}$

Wherein,

$\begin{array}{c}{\mathrm{\&alpha;}}_{\tilde{p}}(n_s,l)=2\mathrm{\&pi;}\&CenterDot;n_{\mathrm{cs}}^{\left(\tilde{p}\right)}\\ n_{\mathrm{cs}}^{\left(\tilde{p}\right)}(n_s,l)=(n_{\mathrm{cs}}^{\mathrm{cell}}(n_s,l)+n_{\tilde{p}}^{\&prime;}\left(n_s\right))\mathrm{mod}{N}_{\mathrm{sc}}^{\mathrm{RB}}\end{array}$ Be defined as above

C) signal after sending above-mentioned mapping on the PUCCHformat3 channel resource corresponding to this subframe.

Receiving terminal:

Step 1: receive: be repeated below step in each subframe in 10 subframes:

A) on the PUCCHformat3 channel resource corresponding to this subframe, signal is received;

B) signal on the SC-FDMA/OFDM symbol of 5 carrying data in present sub-frame first time slot is carried out time solution spread spectrum, such as detailed process can be the inverse process of above-mentioned transmitting terminal, obtain 12 QPSK modulation symbols, signal on the SC-FDMA/OFDM symbol of 5 carrying data in present sub-frame second time slot is carried out time solution spread spectrum, obtain 12 QPSK modulation symbols, there are 24 QPSK modulation symbols; Such as detailed process can be the inverse process of above-mentioned transmitting terminal,

C) signal that length is 12 on each symbol on the SC-FDMA/OFDM symbol obtaining 2 carrying pilot tones in present sub-frame first time slot is despread, obtaining 1 row length is the reference symbol sequence of 12, as the channel estimating of first time slot; The signal that length is 12 on each symbol on the SC-FDMA/OFDM symbol obtaining 2 carrying pilot tones in present sub-frame second time slot is despread, obtaining 1 row length is the reference symbol sequence of 12, channel estimating as the 2nd time slot, for instance detailed process can be the inverse process of above-mentioned transmitting terminal;

D) modulation symbol in a subframe is carried out channel compensation by the channel estimation value produced based on pilot tone;

E) when transmitting terminal step 2 adopts method 1 and does not comprise 2) time, 24 modulation symbols in one subframe are carried out QPSK demodulation, obtain sequence after 48 bits of encoded, otherwise (namely in transmitting terminal step 2 employing method 1 and comprise 2), or transmitting terminal step 2 adopts method 2), do not perform E);

Step 2: cascade:

When transmitting terminal step 2 adopts method 1:

1) 24 modulation symbols often organized are carried out QPSK demodulation, group often obtains the sequence after 48 bits of encoded; Wherein, when transmitting terminal step 2 does not comprise 2) time, do not perform this step;

2) sequence after 48 bits of encoded obtained in each subframe is carried out cascade, obtain sequence after the coding that length is 480;

When transmitting terminal step 2 adopts method 2:

1) 24 the QPSK modulation symbols obtained in each subframe are carried out cascade, obtain the QPSK modulation symbol sequence that length is 240;

2) the QPSK modulation symbol sequence that length is 240 is carried out QPSK demodulation, obtain sequence after the coding that length is 480;

Step 3: channel decoding: sequence after the coding that length is 480 is carried out turbodecoding and rate de-matching (rate de-matching is about to repeat the corresponding bits of transmission and merges, to obtain gain), obtains the transmission block that length is K=20;

In above-described embodiment 5, under extension CP, the symbol carrying data and carrying pilot tone in a subframe distributes as shown in Figure 4, when adopting this structure to be embodied as step similar with above-described embodiment content, it is distinctive in that the symbolic number N1 carrying data in a subframe and the symbolic number N2 of carrying pilot tone, and it is assigned to the coded bit number in each subframe and qam symbol number, do not repeat them here.

Additionally, additionally provide a kind of data sending device according to embodiments of the invention, this device as shown in Figure 8, including:

Coding module 81, for the transmission chunk that length is K bit is carried out chnnel coding, obtains sequence after the coding that length is S bit;

First transport module 82, on channel resource corresponding in M subframe conveying length be S bit coding after sequence, wherein M >=1;

Second transport module 83, for Qi qam symbol of transmission in i-th subframe in M subframe q_1, q_2 ..., q_Qi}, Qi qam symbol is obtained by Ki bit in sequence after the coding that length is S bit, 1��i��M;

Wherein, each qam symbol q_j, 1��j��Qi, transmits on the symbol transmit data at least one of i-th subframe, the product that signal is a CAZAC sequence and qam symbol q_j of transmission on the symbol transmit data;

3rd transport module 84, uploads defeated pilot signal at least one symbol in i-th subframe, and pilot signal is a CAZAC sequence.

Wherein, above-mentioned chnnel coding includes at least one of:

Turbo coding, convolutional encoding, RM encode.

Wherein, the qam symbol of the present invention is obtained by the modulation system of at least one of, including:

BPSK��QPSK��16QAM��64QAM��256QAM��

In addition, this device can also include scrambling module (not shown), for before qam symbol is modulated, coded bit sequence is carried out scrambling, wherein, coded bit sequence is length be S bit coding after sequence, or for Ki bit in sequence after the coding that length is S bit corresponding with qam symbol.

Wherein, second transport module 83 is further used for, and transmits Qi=N1 qam symbol in the i-th subframe in M subframe, transmission on each qam symbol q_j N1 in an i-th subframe symbol in the symbol transmitting data, wherein, N1 is parameter set in advance.

Additionally, the data sending device of the present invention can also include computing module (not shown), being multiplied with the CAZAC sequence that length is A for each qam symbol q_j, obtain the signal that length is A, wherein, A is parameter set in advance;

Mapping block (not shown), for being mapped to A subcarrier on the N1 in an i-th subframe symbol in the symbol transmitting data by the signal that length is A.

Wherein, the second transport module 83 can also be further used for, and transmits Qi=1 qam symbol in the i-th subframe in M subframe, and qam symbol N1 in i-th subframe transmits on the symbol transmit data, and wherein, N1 is parameter set in advance.

Wherein, computing module can also be further used for, and line length of going forward side by side that qam symbol q_j each symbol for transmit data in first time slot of i-th subframe is multiplied with the CAZAC sequence that length is A isOrthogonal sequence spread spectrum, obtaining length isSignal, wherein, A is parameter set in advance, and mapping block is further used for, and by length isSignal be mapped in first time slot of i-th subframeA subcarrier on the individual symbol for transmitting data;

It addition, computing module is further used for, line length of going forward side by side that qam symbol q_j each symbol for transmit data in second time slot of the i-th subframe is multiplied with the CAZAC sequence that length is A isOrthogonal sequence spread spectrum, obtaining length isSignal, mapping block is further used for, and by length isSignal be mapped in second time slot of i-th subframeA subcarrier on the individual symbol for transmitting data.

In said apparatus, the 3rd transport module 84 is used for, and N2 the symbol in i-th subframe uploads defeated pilot signal, and pilot signal is a CAZAC sequence, and wherein N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe; Or

N2 the symbol in i-th subframe uploads defeated pilot signal, pilot signal obtains by each element in a CAZAC sequence carries out the orthogonal sequence spread spectrum that length is N2/2, N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe.

Additionally, the corresponding channel resource in above-mentioned M subframe includes at least one of:

PUCCHformat1, PUCCHformat1a, PUCCHformat1b, PUCCHformat2, PUCCHformat2a, PUCCHformat2b resource.

Another aspect according to embodiments of the present invention additionally provides a kind of data sink, and this device is as it is shown in figure 9, include:

Receiver module 91, receives signal on channel resource corresponding in M subframe, it is thus achieved that sequence after the S bit coding of transmission in M subframe, wherein, and M >=1;

Decoding module 92, carries out channel decoding for sequence after S bit is encoded, obtains the transmission chunk that length is K bit;

First acquisition module 93, for i-th subframe in M subframe obtains Qi qam symbol q_1, q_2 ..., q_Qi}, Qi qam symbol is obtained by Ki bit in sequence after the coding that length is S bit, 1��i��M;

Wherein, each qam symbol q_j, 1��j��Qi, transmits on the symbol transmit data at least one of i-th subframe, the product that signal is a CAZAC sequence and qam symbol q_j of transmission on the symbol transmit data;

Second acquisition module 94, for obtaining pilot signal at least one symbol of i-th subframe, pilot signal is a CAZAC sequence.

Wherein, above-mentioned chnnel coding includes at least one of:

Turbo coding, convolutional encoding, RM encode.

Wherein, the qam symbol of the application is obtained by the modulation system of at least one of, including:

BPSK��QPSK��16QAM��64QAM��256QAM��

In addition, this data sink can also include: descrambling module (not shown), before after S bit is encoded, sequence carries out channel decoding, coded bit sequence is unscrambled, wherein, coded bit sequence is length be S bit coding after sequence, or for Ki bit in sequence after the coding that length is S bit corresponding with qam symbol.

In addition, first acquisition module 93 can also be further used for, and obtains Qi=N1 qam symbol in the i-th subframe in M subframe, transmission on each qam symbol q_j N1 in an i-th subframe symbol in the symbol transmitting data, wherein, N1 is parameter set in advance.

Wherein, on A subcarrier on the N1 in an i-th subframe symbol for the symbol transmitting data in, the signal of acquisition is: each qam symbol q_j is multiplied with the CAZAC sequence that length is A the signal that length is A obtained, wherein, A is parameter set in advance;

Therefore, the first acquisition module 93, based on signal, obtains a qam symbol q_j in Qi qam symbol.

It addition, the first acquisition module 93 can also be further used for, obtaining Qi=1 qam symbol in the i-th subframe in M subframe, qam symbol N1 in i-th subframe transmits on the symbol transmit data, and wherein, N1 is parameter set in advance.

Wherein, in first time slot of i-th subframeThe signal obtained on A subcarrier on the individual symbol for transmitting data is: the line length of going forward side by side of being multiplied with the CAZAC sequence that length is A on qam symbol each symbol for transmit data in first time slot of i-th subframe isThe length that obtains of orthogonal sequence spread spectrum beSignal, wherein, A is parameter set in advance;

In second time slot of i-th subframeThe signal obtained on A subcarrier on the individual symbol for transmitting data is: the line length of going forward side by side of being multiplied with the CAZAC sequence that length is A on qam symbol each symbol for transmit data in second time slot of i-th subframe isOrthogonal sequence spread spectrum, the length obtained isSignal;

Therefore, the first acquisition module 93 can also pass through the above-mentioned signal obtained, and obtains a qam symbol.

Additionally, in the data sink of the present invention, the second acquisition module 94 can also be further used for, N2 symbol of i-th subframe obtains pilot signal, pilot signal is a CAZAC sequence, and wherein N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe; Or

N2 symbol of i-th subframe obtains pilot signal, pilot signal is obtain by each element in a CAZAC sequence carries out the orthogonal sequence spread spectrum that length is N2/2 in each time slot, N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe.

It addition, channel resource corresponding in each subframe of the M of the present invention includes at least one of:

PUCCHformat1, PUCCHformat1a, PUCCHformat1b, PUCCHformat2, PUCCHformat2a, PUCCHformat2b resource.

To sum up, technique scheme by means of the present invention, the present invention is by designing new transport channel structures, namely TB is grouped after carrying out Turbocoding, by the coversequence data transmission structure transmitted in multiple subframes, such that it is able to greatly promote transmission performance, to reduce iterative transfer times and effectively to save power.

The ultimate principle of the present invention is described above in association with specific embodiment, but, it is to be noted, for those of ordinary skill in the art, it will be appreciated that whole or any steps of methods and apparatus of the present invention or parts, can in any calculation element (including processor, storage medium etc.) or the network of calculation element, being realized with hardware, firmware, software or their combination, this is that those of ordinary skill in the art use their basic programming skill can be achieved with when the explanation having read the present invention.

It may also be noted that in apparatus and method of the present invention, it is clear that each parts or each step can decompose and/or reconfigure. These decompose and/or reconfigure the equivalents that should be regarded as the present invention. Further, the step performing above-mentioned series of processes can order naturally following the instructions perform in chronological order, but is not required to necessarily perform sequentially in time. Some step can perform parallel or independently of one another.

Although having described the present invention and advantage thereof in detail it should be appreciated that various change, replacement and conversion can be carried out when without departing from the spirit and scope of the present invention being defined by the claims appended hereto. And, the term " including " of the application, " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or device not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or device. When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or device.

Claims (40)

1. a data transmission method for uplink, it is characterised in that including:

The transmission chunk that length is K bit is carried out chnnel coding, obtains sequence after the coding that length is S bit;

Channel resource corresponding in M subframe transmits sequence, wherein M >=1 after the coding that described length is S bit;

I-th subframe in described M subframe is transmitted Qi qam symbol q_1, q_2 ..., q_Qi}, described Qi qam symbol is obtained by Ki bit in sequence after the coding that described length is S bit, 1��i��M;

Each qam symbol q_j, 1��j��Qi, transmits on the symbol transmit data at least one of described i-th subframe, the product that signal is a CAZAC sequence and qam symbol q_j of transmission on the described symbol for transmit data;

At least one symbol in described i-th subframe uploads defeated pilot signal, and described pilot signal is a CAZAC sequence.

2. described method according to claim 1, it is characterised in that described chnnel coding includes at least one of:

Turbo coding, convolutional encoding, RM encode.

3. described method according to claim 1, it is characterised in that described qam symbol is obtained by the modulation system of at least one of, including:

BPSK��QPSK��16QAM��64QAM��256QAM��

4. described method according to claim 1, it is characterised in that before described qam symbol is modulated, including:

Coded bit sequence is carried out scrambling, wherein, described coded bit sequence is described length be S bit coding after sequence, or for Ki bit in sequence after the coding that described length is S bit corresponding with described qam symbol.

5. described method according to claim 1, it is characterized in that, i-th subframe in described M subframe is transmitted Qi=N1 qam symbol, transmission on each qam symbol q_j N1 in a described i-th subframe symbol in the symbol transmitting data, wherein, N1 is parameter set in advance.

6. described method according to claim 5, it is characterised in that each qam symbol q_j is multiplied with the CAZAC sequence that length is A, obtains the signal that length is A, wherein, A is parameter set in advance;

The signal that described length is A is mapped to A subcarrier on the N1 in an i-th subframe symbol in the symbol transmitting data.

7. described method according to claim 1, it is characterized in that, transmitting Qi=1 qam symbol in the i-th subframe in described M subframe, described qam symbol N1 in described i-th subframe transmits on the symbol transmit data, wherein, N1 is parameter set in advance.

8. described method according to claim 7, it is characterised in that the line length of going forward side by side of being multiplied with the CAZAC sequence that length is A on qam symbol q_j each symbol for transmit data in first time slot of i-th subframe isOrthogonal sequence spread spectrum, obtaining length isSignal, wherein, A is parameter set in advance;

By described length it isSignal be mapped in first time slot of i-th subframeA subcarrier on the individual symbol for transmitting data;

The line length of going forward side by side of being multiplied with the CAZAC sequence that length is A on the one qam symbol q_j each symbol for transmit data in second time slot of the i-th subframe isOrthogonal sequence spread spectrum, obtaining length isSignal;

By described length it isSignal be mapped in second time slot of i-th subframeA subcarrier on the individual symbol for transmitting data.

9. the described method according to any one of claim 1-8, it is characterized in that, N2 the symbol in described i-th subframe uploads defeated pilot signal, and described pilot signal is a CAZAC sequence, wherein N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe; Or

N2 the symbol in described i-th subframe uploads defeated pilot signal, described pilot signal obtains by each element in a CAZAC sequence carries out the orthogonal sequence spread spectrum that length is N2/2, N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe.

10. described method according to claim 1, it is characterised in that the channel resource of the described correspondence in M subframe includes at least one of:

PUCCHformat1, PUCCHformat1a, PUCCHformat1b, PUCCHformat2, PUCCHformat2a, PUCCHformat2b resource.

11. a data receiver method, it is characterised in that including:

Channel resource corresponding in M subframe receives signal, it is thus achieved that sequence after the S bit coding of transmission in described M subframe, wherein, M >=1;

After described S bit is encoded, sequence carries out channel decoding, obtains the transmission chunk that length is K bit;

I-th subframe in described M subframe obtains Qi qam symbol q_1, q_2 ..., q_Qi}, described Qi qam symbol is obtained by Ki bit in sequence after the coding that described length is S bit, 1��i��M;

Each qam symbol q_j, 1��j��Qi, transmits on the symbol transmit data at least one of described i-th subframe, the product that signal is a CAZAC sequence and qam symbol q_j of transmission on the described symbol for transmit data;

Obtaining pilot signal at least one symbol of described i-th subframe, described pilot signal is a CAZAC sequence.

12. described method according to claim 11, it is characterised in that described chnnel coding includes at least one of:

Turbo coding, convolutional encoding, RM encode.

13. described method according to claim 11, it is characterised in that qam symbol is obtained by the modulation system of at least one of, including:

BPSK��QPSK��16QAM��64QAM��256QAM��

14. described method according to claim 11, it is characterised in that before sequence carries out channel decoding after described S bit is encoded, including:

Coded bit sequence is unscrambled, wherein, described coded bit sequence is described length be S bit coding after sequence, or for Ki bit in sequence after the coding that described length is S bit corresponding with described qam symbol.

15. described method according to claim 11, it is characterized in that, i-th subframe in described M subframe obtains Qi=N1 qam symbol, transmission on each qam symbol q_j N1 in a described i-th subframe symbol in the symbol transmitting data, wherein, N1 is parameter set in advance.

16. described method according to claim 15, it is characterized in that, on A subcarrier on the N1 in a described i-th subframe symbol for the symbol transmitting data in, the signal of acquisition is: each qam symbol q_j is multiplied with the CAZAC sequence that length is A the signal that length is A obtained, wherein, A is parameter set in advance;

Based on described signal, obtain a qam symbol q_j in described Qi qam symbol.

17. described method according to claim 11, it is characterized in that, obtaining Qi=1 qam symbol in the i-th subframe in described M subframe, described qam symbol N1 in described i-th subframe transmits on the symbol transmit data, wherein, N1 is parameter set in advance.

18. described method according to claim 17, it is characterised in that in first time slot of described i-th subframeThe signal obtained on A subcarrier on the individual symbol for transmitting data is: the line length of going forward side by side of being multiplied with the CAZAC sequence that length is A on qam symbol each symbol for transmit data in first time slot of i-th subframe isThe length that obtains of orthogonal sequence spread spectrum beSignal, wherein, A is parameter set in advance;

In second time slot of described i-th subframeThe signal obtained on A subcarrier on the individual symbol for transmitting data is: the line length of going forward side by side of being multiplied with the CAZAC sequence that length is A on the one qam symbol each symbol for transmit data in second time slot of i-th subframe isOrthogonal sequence spread spectrum, the length obtained isSignal;

Based on the signal obtained, obtain one qam symbol.

19. the described method according to any one of claim 11-18, it is characterized in that, obtaining pilot signal on N2 symbol of described i-th subframe, described pilot signal is a CAZAC sequence, wherein N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe; Or

N2 symbol of described i-th subframe obtains pilot signal, described pilot signal is obtain by each element in a CAZAC sequence carries out the orthogonal sequence spread spectrum that length is N2/2 in each time slot, N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe.

20. described method according to claim 11, it is characterised in that channel resource corresponding described in M subframe includes at least one of:

PUCCHformat1, PUCCHformat1a, PUCCHformat1b, PUCCHformat2, PUCCHformat2a, PUCCHformat2b resource.

21. a data sending device, it is characterised in that including:

Coding module, for the transmission chunk that length is K bit is carried out chnnel coding, obtains sequence after the coding that length is S bit;

First transport module, transmits sequence, wherein M >=1 after the coding that described length is S bit on channel resource corresponding in M subframe;

Second transport module, for Qi qam symbol of transmission in i-th subframe in described M subframe q_1, q_2 ..., q_Qi}, described Qi qam symbol is obtained by Ki bit in sequence after the coding that described length is S bit, 1��i��M;

Wherein, each qam symbol q_j, 1��j��Qi, transmits on the symbol transmit data at least one of described i-th subframe, the product that signal is a CAZAC sequence and qam symbol q_j of transmission on the described symbol for transmit data;

3rd transport module, uploads defeated pilot signal at least one symbol in described i-th subframe, and described pilot signal is a CAZAC sequence.

22. described device according to claim 21, it is characterised in that described chnnel coding includes at least one of:

Turbo coding, convolutional encoding, RM encode.

23. described device according to claim 21, it is characterised in that described qam symbol is obtained by the modulation system of at least one of, including:

BPSK��QPSK��16QAM��64QAM��256QAM��

24. described device according to claim 21, it is characterised in that including:

Scrambling module, for before described qam symbol is modulated, coded bit sequence is carried out scrambling, wherein, described coded bit sequence is described length be S bit coding after sequence, or for Ki bit in sequence after the coding that described length is S bit corresponding with described qam symbol.

25. described device according to claim 21, it is characterized in that, described second transport module is further used for, i-th subframe in described M subframe is transmitted Qi=N1 qam symbol, transmission on each qam symbol q_j N1 in a described i-th subframe symbol in the symbol transmitting data, wherein, N1 is parameter set in advance.

26. described device according to claim 25, it is characterised in that including:

Computing module, is multiplied with the CAZAC sequence that length is A for each qam symbol q_j, obtains the signal that length is A, and wherein, A is parameter set in advance;

Mapping block, for being mapped to A subcarrier on the N1 in an i-th subframe symbol in the symbol transmitting data by the signal that described length is A.

27. described device according to claim 21, it is characterized in that, described second transport module is further used for, i-th subframe in described M subframe is transmitted Qi=1 qam symbol, described qam symbol N1 in described i-th subframe transmits on the symbol transmit data, wherein, N1 is parameter set in advance.

28. described device according to claim 27, it is characterized in that, described computing module is further used for, and line length of going forward side by side that qam symbol q_j each symbol for transmit data in first time slot of i-th subframe is multiplied with the CAZAC sequence that length is A isOrthogonal sequence spread spectrum, obtaining length isSignal, wherein, A is parameter set in advance;

Described mapping block is further used for, and by described length isSignal be mapped in first time slot of i-th subframeA subcarrier on the individual symbol for transmitting data;

Described computing module is further used for, and line length of going forward side by side that the one qam symbol q_j each symbol for transmit data in second time slot of the i-th subframe is multiplied with the CAZAC sequence that length is A isOrthogonal sequence spread spectrum, obtaining length isSignal;

Described mapping block is further used for, and by described length isSignal be mapped in second time slot of i-th subframeA subcarrier on the individual symbol for transmitting data.

29. the described device according to any one of claim 21-28, it is characterized in that, described 3rd transport module is used for, N2 the symbol in described i-th subframe uploads defeated pilot signal, described pilot signal is a CAZAC sequence, wherein N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe; Or

N2 the symbol in described i-th subframe uploads defeated pilot signal, described pilot signal obtains by each element in a CAZAC sequence carries out the orthogonal sequence spread spectrum that length is N2/2, N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe.

30. described device according to claim 21, it is characterised in that the channel resource of the described correspondence in M subframe includes at least one of:

PUCCHformat1, PUCCHformat1a, PUCCHformat1b, PUCCHformat2, PUCCHformat2a, PUCCHformat2b resource.

31. a data sink, it is characterised in that including:

Receiver module, receives signal on channel resource corresponding in M subframe, it is thus achieved that sequence after the S bit coding of transmission in described M subframe, wherein, and M >=1;

Decoding module, carries out channel decoding for sequence after described S bit is encoded, obtains the transmission chunk that length is K bit;

First acquisition module, for i-th subframe in described M subframe obtains Qi qam symbol q_1, q_2 ..., q_Qi}, described Qi qam symbol is obtained by Ki bit in sequence after the coding that described length is S bit, 1��i��M;

Wherein, each qam symbol q_j, 1��j��Qi, transmits on the symbol transmit data at least one of described i-th subframe, the product that signal is a CAZAC sequence and qam symbol q_j of transmission on the described symbol for transmit data;

Second acquisition module, obtains pilot signal at least one symbol in described i-th subframe, and described pilot signal is a CAZAC sequence.

32. the described device according to claim 31, it is characterised in that described chnnel coding includes at least one of:

Turbo coding, convolutional encoding, RM encode.

33. the described device according to claim 31, it is characterised in that qam symbol is obtained by the modulation system of at least one of, including:

BPSK��QPSK��16QAM��64QAM��256QAM��

34. the described device according to claim 31, it is characterised in that including:

Descrambling module, before after described S bit is encoded, sequence carries out channel decoding, coded bit sequence is unscrambled, wherein, described coded bit sequence is described length be S bit coding after sequence, or for Ki bit in sequence after the coding that described length is S bit corresponding with described qam symbol.

35. the described device according to claim 31, it is characterized in that, described first acquisition module is further used for, i-th subframe in described M subframe obtains Qi=N1 qam symbol, transmission on each qam symbol q_j N1 in a described i-th subframe symbol in the symbol transmitting data, wherein, N1 is parameter set in advance.

36. the described device according to claim 35, it is characterized in that, on A subcarrier on the N1 in a described i-th subframe symbol for the symbol transmitting data in, the signal of acquisition is: each qam symbol q_j is multiplied with the CAZAC sequence that length is A the signal that length is A obtained, wherein, A is parameter set in advance;

Described first acquisition module, based on described signal, obtains a qam symbol q_j in described Qi qam symbol.

37. the described device according to claim 31, it is characterized in that, described first acquisition module is further used for, i-th subframe in described M subframe obtains Qi=1 qam symbol, described qam symbol N1 in described i-th subframe transmits on the symbol transmit data, wherein, N1 is parameter set in advance.

38. the described device according to claim 37, it is characterised in that in first time slot of described i-th subframeThe signal obtained on A subcarrier on the individual symbol for transmitting data is: the line length of going forward side by side of being multiplied with the CAZAC sequence that length is A on qam symbol each symbol for transmit data in first time slot of i-th subframe isThe length that obtains of orthogonal sequence spread spectrum beSignal, wherein, A is parameter set in advance;

In second time slot of described i-th subframeThe signal obtained on A subcarrier on the individual symbol for transmitting data is: the line length of going forward side by side of being multiplied with the CAZAC sequence that length is A on the one qam symbol each symbol for transmit data in second time slot of i-th subframe isOrthogonal sequence spread spectrum, the length obtained isSignal;

Described first acquisition module, based on the signal obtained, obtains one qam symbol.

39. the described device according to any one of claim 31-38, it is characterized in that, described second acquisition module is further used for, N2 symbol of described i-th subframe obtains pilot signal, described pilot signal is a CAZAC sequence, wherein N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe; Or

N2 symbol of described i-th subframe obtains pilot signal, described pilot signal is obtain by each element in a CAZAC sequence carries out the orthogonal sequence spread spectrum that length is N2/2 in each time slot, N2 is parameter set in advance, and N1+N2 is equal to the total number of symbols in i-th subframe.

40. the described device according to claim 31, it is characterised in that channel resource corresponding described in each subframe of M includes at least one of:

PUCCHformat1, PUCCHformat1a, PUCCHformat1b, PUCCHformat2, PUCCHformat2a, PUCCHformat2b resource.