WO2016161916A1 - 一种数据传输方法及设备 - Google Patents

一种数据传输方法及设备 Download PDF

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Publication number
WO2016161916A1
WO2016161916A1 PCT/CN2016/078319 CN2016078319W WO2016161916A1 WO 2016161916 A1 WO2016161916 A1 WO 2016161916A1 CN 2016078319 W CN2016078319 W CN 2016078319W WO 2016161916 A1 WO2016161916 A1 WO 2016161916A1
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Prior art keywords
subframe
group
qam
transport block
groups
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PCT/CN2016/078319
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English (en)
French (fr)
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高雪娟
邢艳萍
沈祖康
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电信科学技术研究院
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Publication of WO2016161916A1 publication Critical patent/WO2016161916A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a data transmission method and device.
  • Machine-to-machine (M2M) communication is a new communication concept. Its purpose is to combine many different types of communication technologies, such as machine-to-machine communication, machine control communication, human-computer interaction communication, Mobile internet communication to promote social production and lifestyle development. It is expected that the business of human-to-human communication in the future may only account for 1/3 of the entire terminal market, and a larger amount of communication is the inter-machine (small bandwidth system) communication service.
  • M2M Machine-to-machine
  • Machine Type Communications (MTC) terminals have low mobility
  • the time for data transmission between the MTC terminal and the network side is controllable; that is, the MTC terminal can only access during the specified time period of the network.
  • the data transmission performed by the MTC terminal and the network side does not require high real-time data transmission, that is, it has time tolerance;
  • MTC terminals are energy limited and require very low power consumption
  • MTC terminals can be managed in groups.
  • An actual MTC terminal may have one or more of the characteristics described above.
  • the coverage enhancement technology for M2M transmission is described as follows:
  • An MTC device (or MTC terminal) may have some of the various M2M communication characteristics, such as low mobility, small amount of transmitted data, and insensitivity to communication delay. Features such as extremely low power consumption are required.
  • a more feasible method is to use repeated transmission or similar technology for the existing channel of the LTE system. In theory, it can obtain 15dB by performing tens to hundreds of repeated transmissions on the existing physical channel. Coverage gain.
  • the prior art adopts a repetitive mechanism to implement coverage enhancement, requires more channel resources, reduces transmission efficiency, and increases terminal power consumption.
  • the same time-frequency domain resource can only be used for repeated transmission of one user, which reduces System reuse capacity.
  • PUCCH physical uplink control channel
  • TB Transport Block
  • the post information is split into a plurality of subframes, each of which is transmitted based on the PUCCH structure.
  • cross-subframe channel estimation is an effective means.
  • the so-called cross-subframe channel estimation refers to joint channel estimation using reference signals in multiple subframes.
  • a typical processing method is to weight-average the results of channel estimation of multiple subframes. Accordingly, the data portions of the plurality of sub-frames are coherently combined.
  • the premise of coherent combining is that the signals transmitted in multiple subframes used for merging are the same. However, since the bearer capacity of the PUCCH structure in one subframe is limited, the information after the TB encoding needs to be split into multiple subframes, and the information transmitted in different subframes is different, and coherent combining cannot be performed.
  • the prior art cannot perform coherent combining when multi-subframe channel estimation is used in data transmission between the transmitting end and the receiving end, so that the demodulation performance of the receiving end is poor when the transmitting end and the receiving end are in frequency deviation.
  • the embodiment of the invention provides a data transmission method and device, which can implement coherent combining when multi-subframe channel estimation is used in data transmission between the transmitting end and the receiving end, thereby improving the frequency deviation between the transmitting end and the receiving end. Demodulation performance at the receiving end.
  • the transport block performs channel coding to obtain a coded sequence
  • the transmitting end obtains multiple sets of orthogonal amplitude modulated QAM symbols according to the number of the subframe groups and the encoded sequence;
  • the transmitting end of the data performs channel coding on the transport block according to the number of subframe groups obtained by grouping the total transmission subframes that need to be occupied by the current transport block, to obtain a coded sequence, according to the child.
  • the number of the frame groups and the encoded sequence, to obtain a plurality of sets of orthogonal amplitude modulated QAM symbols, and the multiple groups of QAM symbols are sent to the receiving end by using the multiple subframe groups, wherein each of the subframe groups
  • the frame repeatedly transmits a set of QAM symbols, so the TB performs channel coding and rate matching according to the number of encoded bits calculated by the number of subframe groups, and ensures that each subframe in the same group of subframes participating in the multi-subframe channel estimation is included.
  • the same data information is transmitted, so that the multi-subframe channel estimation can be coherently combined in the data transmission process at the transmitting end and the receiving end, and the demodulation performance of the receiving end and the receiving end in the frequency deviation is improved.
  • the number of the subframe groups is The length of the encoded sequence is: a bit, where M is the total number of transmission subframes that the transport block needs to occupy, N is the number of subframes participating in channel estimation across the subframe, and C is the maximum number of bits per subframe.
  • the sending end obtains multiple sets of QAM symbols according to the number of the subframe groups and the encoded sequence, including:
  • the transmitting end groups the encoded sequence according to the number of the subframe group to obtain a plurality of sets of encoded sequences, and performs QAM modulation on the multiple sets of encoded sequences to obtain multiple sets of QAM symbols;
  • the transmitting end performs QAM modulation on the encoded sequence, and groups the modulated sequence according to the number of the subframe groups to obtain multiple sets of QAM symbols.
  • the method before performing the QAM modulation, the method further comprises: scrambling the encoded sequence.
  • a physical uplink control channel PUCCH format is used, and QAM symbol transmission is performed on the transmission resource corresponding to the PUCCH format.
  • the receiving end determines the orthogonal amplitude modulated QAM symbols received by each subframe group obtained by grouping the total transmission subframes occupied by the current transport block, wherein each subframe in any subframe group repeatedly transmits the same QAM symbol ;
  • the receiving end performs channel decoding on the encoded sequence to obtain the transport block.
  • the receiving end of the data determines the grouping of the total transmission subframes occupied by the current transport block.
  • a quadrature amplitude modulated QAM symbol received by each subframe group wherein each subframe in any subframe group repeatedly transmits the same QAM symbol, and the receiving end is based on the QAM symbol received by each subframe group, Determining, by the transmitting end, a coded sequence obtained by performing channel coding on the transport block according to the number of subframe groups obtained by grouping the total transmission subframes occupied by the transport block, and the receiving end is after the encoding
  • the sequence is subjected to channel decoding to obtain the transport block.
  • the TB performs channel coding and rate matching according to the number of encoded bits calculated by the number of subframe groups, the same group of subframes participating in the multi-subframe channel estimation are guaranteed.
  • the same data information is transmitted in each sub-frame, so that coherent combining can be performed when multi-subframe channel estimation is used in the data transmission process at the transmitting end and the receiving end, and the demodulation of the receiving end when the transmitting end and the receiving end are in frequency deviation is improved. performance.
  • the receiving end determines the QAM symbols received by each subframe group obtained by grouping the total transmission subframes occupied by the current transport block, including:
  • the receiving end combines the data symbols received in each subframe of the subframe group into subframes to obtain a combined data symbol corresponding to the subframe group; and obtains a joint channel corresponding to the subframe group. estimated value;
  • the receiving end performs channel compensation on the combined data symbols corresponding to the subframe group by using the joint channel estimation value corresponding to the subframe group, and determines the obtained channel compensated QAM symbol corresponding to the obtained subframe group as The QAM symbol received in the subframe group.
  • the receiving end determines, according to the QAM symbols received by each subframe group, the number of subframe groups obtained by the transmitting end according to the total transmission subframe occupied by the transport block,
  • the coded sequence obtained by performing channel coding on the transport block includes:
  • the receiving end receives the QAM symbols in each of the subframe groups, and demodulates the QAM symbols received by each of the subframe groups to obtain a coded sequence corresponding to each subframe group, and The coded sequence corresponding to each subframe group is cascaded, and the number of subframe groups obtained by the sender according to the total transmission subframe occupied by the transport block is obtained, and the transport block is channel coded.
  • the resulting encoded sequence or,
  • the receiving end receives the QAM symbols in each subframe group, and cascades the QAM symbols received by each subframe group, demodulates the cascaded QAM symbols, and obtains the sending end according to the pair. a total number of subframe groups obtained by grouping the total transmission subframe occupied by the transport block, and a coded sequence obtained by channel coding the transport block.
  • the method further comprises: descrambling the encoded sequence.
  • a physical uplink control channel PUCCH format is adopted, and QAM symbol reception is performed on the transmission resource corresponding to the PUCCH format.
  • the number of the subframe groups is The length of the encoded sequence is: a bit, where M is the total number of transmission subframes that the transport block needs to occupy, N is the number of subframes participating in channel estimation across the subframe, and C is the maximum number of bits per subframe.
  • a first unit configured to perform channel coding on the transport block according to the number of subframe groups obtained by grouping the total transmission subframes that need to be occupied by the current transport block when the device is used as a transmitting end, to obtain a coding Post-sequence
  • a second unit configured to obtain, according to the number of the subframe groups and the encoded sequence, multiple sets of orthogonal amplitude modulated QAM symbols;
  • a third unit configured to send the multiple groups of QAM symbols to the receiving end by using the multiple subframe groups, where each subframe in any one of the subframe groups repeatedly transmits a group of QAM symbols.
  • the number of the subframe groups is The length of the encoded sequence is: a bit, where M is the total number of transmission subframes that the transport block needs to occupy, N is the number of subframes participating in channel estimation across the subframe, and C is the maximum number of bits per subframe.
  • the second unit is specifically configured to:
  • the coded sequence is QAM-modulated, and the modulated sequence is grouped according to the number of the subframe groups to obtain a plurality of sets of QAM symbols.
  • the second unit is further configured to: perform scrambling on the encoded sequence.
  • the third unit transmits the QAM symbol in each subframe
  • the physical uplink control channel PUCCH format is used, and the QAM symbol transmission is performed on the transmission resource corresponding to the PUCCH format.
  • the method further includes:
  • a fourth unit configured to determine, when the device is a receiving end, a quadrature amplitude modulated QAM symbol received by each subframe group obtained by grouping a total transmission subframe occupied by a current transport block, where any one of the subframes Repeating transmission of the same QAM symbol for each subframe in the frame group;
  • a fifth unit configured to determine, according to the QAM symbols received by each of the subframe groups, a number of subframe groups obtained by the sender according to the total transmission subframe occupied by the transport block, a coded sequence obtained by channel coding the transport block;
  • a sixth unit configured to perform channel decoding on the encoded sequence to obtain the transport block.
  • a fourth unit configured to determine, when the device is a receiving end, a quadrature amplitude modulated QAM symbol received by each subframe group obtained by grouping a total transmission subframe occupied by a current transport block, where any one of the subframes Repeating transmission of the same QAM symbol for each subframe in the frame group;
  • a fifth unit configured to determine, according to the QAM symbols received by each of the subframe groups, a number of subframe groups obtained by the sender according to the total transmission subframe occupied by the transport block, a coded sequence obtained by channel coding the transport block;
  • a sixth unit configured to perform channel decoding on the encoded sequence to obtain the transport block.
  • the fourth unit is specifically configured to:
  • the data symbols received in each subframe of the subframe group are merged between the subframes to obtain the combined data symbols corresponding to the subframe group; and the joint channel estimation value corresponding to the subframe group is obtained;
  • the fifth unit is specifically configured to:
  • the fifth unit is further configured to: perform descrambling on the encoded sequence.
  • the fourth unit when receiving the QAM symbol in each subframe, the fourth unit adopts a physical uplink control channel PUCCH format, and performs QAM symbol reception on the transmission resource corresponding to the PUCCH format.
  • the number of the subframe groups is The length of the encoded sequence is: a bit, where M is the total number of transmission subframes that the transport block needs to occupy, N is the number of subframes participating in channel estimation across the subframe, and C is the maximum number of bits per subframe.
  • FIG. 1 is a schematic flowchart of a data transmission method of a transmitting end according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a data transmission method of a receiving end according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a transmission structure based on a PUCCH mode 2 under a conventional Cyclic Prefix (CP) according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a PUCCH format 2 based transmission structure under an extended CP according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a PUCCH format 1b-based transmission structure under a conventional CP according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a PUCCH format 1b-based transmission structure under an extended CP according to an embodiment of the present invention
  • FIG. 7 is a schematic diagram of a PUCCH format 1b-based transmission structure under a conventional CP according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a PUCCH format 1b-based transmission structure under an extended CP according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a PUCCH format 3 based transmission structure under a conventional CP according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a PUCCH format 3 based transmission structure under an extended CP according to an embodiment of the present disclosure
  • FIG. 11 is a schematic diagram of a PUCCH format 3 based transmission structure under a conventional CP according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of a PUCCH format 3 based transmission structure under an extended CP according to an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of a data transmission device according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of another data transmission device according to an embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of a data transmission device on a network side according to an embodiment of the present disclosure.
  • FIG. 16 is a schematic structural diagram of a data transmission device on a terminal side according to an embodiment of the present invention.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • UMTS Universal Mobile Telecommunication System
  • the user equipment includes but is not limited to a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), a mobile phone (handset). And portable devices, etc., the user equipment can communicate with one or more core networks via a Radio Access Network (RAN), for example, the user equipment can be a mobile phone (or "cellular"
  • RAN Radio Access Network
  • the user equipment can be a mobile phone (or "cellular"
  • the telephone device, the computer with wireless communication function, etc., the user equipment can also be a mobile device that is portable, pocket-sized, handheld, built-in, or in-vehicle.
  • a base station may refer to a device in an access network that communicates with a wireless terminal over one or more sectors over an air interface.
  • the base station can be used to convert the received air frame to the IP packet as a router between the wireless terminal and the rest of the access network, wherein the remainder of the access network can include an Internet Protocol (IP) network.
  • IP Internet Protocol
  • the base station can also coordinate attribute management of the air interface.
  • the base station may be a Base Transceiver Station (BTS) in GSM or CDMA, or a base station (NodeB) in WCDMA, or It is an evolved base station (NodeB or eNB or e-NodeB, evolutional Node B) in LTE, and the present invention is not limited thereto.
  • BTS Base Transceiver Station
  • NodeB base station
  • NodeB evolved base station
  • eNB evolved base station
  • e-NodeB evolutional Node B
  • the embodiment of the invention provides a data transmission method and device, which can implement coherent combining when multi-subframe channel estimation is used in data transmission between the transmitting end and the receiving end, thereby improving the frequency deviation between the transmitting end and the receiving end. Demodulation performance at the receiving end.
  • a data transmission method provided by an embodiment of the present invention includes the following steps:
  • the transmitting end performs channel coding on the transport block according to the number of subframe groups obtained by grouping the total transmission subframes that need to be occupied by the current transport block, to obtain a coded sequence.
  • the transmitting end obtains multiple sets of orthogonal amplitude modulated QAM symbols according to the number of the subframe groups and the encoded sequence.
  • the transmitting end sends the multiple groups of QAM symbols to the receiving end by using the multiple subframe groups, where each subframe in any subframe group repeatedly transmits a group of QAM symbols.
  • the transmitting end of the data performs channel coding on the transport block according to the number of subframe groups obtained by grouping the total transmission subframes that need to be occupied by the current transport block, to obtain a coded sequence, that is, a TB according to the sub-frame.
  • Channel number encoding and rate matching calculated by the number of frame groups obtaining a plurality of sets of orthogonal amplitude modulated QAM symbols according to the number of the subframe groups and the encoded sequence, by using the multiple subframes
  • the group sends the multiple sets of QAM symbols to the receiving end, wherein each subframe in any one of the subframe groups repeatedly transmits a set of QAM symbols, thus ensuring each subframe in the same group of subframes participating in the multi-subframe channel estimation
  • the same data information is transmitted in the middle, so that when the multi-subframe channel estimation is used in the data transmission process at the transmitting end and the receiving end, coherent combining can be performed, and the demodulation performance of the receiving end and the receiving end in the frequency deviation is improved.
  • the number of the subframe groups is The length of the encoded sequence is: a bit, where M is the total number of transmission subframes that the transport block needs to occupy, N is the number of subframes participating in channel estimation across the subframe, and C is the maximum number of bits per subframe.
  • the total transmission subframe that needs to be occupied by the transport block is divided to obtain multiple subframe groups, and the specific division manner may be multiple, which may be average division, that is, each subframe.
  • the number of sub-frames included in a group may be the same or may be randomly divided.
  • the number of sub-frames included in different sub-frame groups may be the same or different.
  • the M subframes can be divided into the following embodiments.
  • Sub-frame group then, the channel block with a length of K bits is channel-encoded to obtain a length of The encoded sequence of bits.
  • Recording Qi Quadrature Amplitude Modulation (QAM) symbols in the i-th subframe group these Qi QAM symbols can be recorded as ⁇ q_1, q_2, ..., q_Qi ⁇ , and the Qi QAM symbols are described by Ki bits in the encoded sequence of length S bits are obtained, wherein The QAM symbols transmitted in each subframe in the same subframe group are the same.
  • QAM Quadrature Amplitude Modulation
  • the channel coding described in the embodiment of the present invention may be: turbo coding, convolutional coding, or RM coding.
  • the sending end obtains multiple sets of QAM symbols according to the number of the subframe groups and the encoded sequence, including:
  • the transmitting end groups the encoded sequence according to the number of the subframe group to obtain a plurality of sets of encoded sequences, and performs QAM modulation on the multiple sets of encoded sequences to obtain multiple sets of QAM symbols;
  • the transmitting end performs QAM modulation on the encoded sequence, and groups the modulated sequence according to the number of the subframe groups to obtain multiple sets of QAM symbols.
  • the embodiment of the present invention transmits the encoded sequence of length S bits on the corresponding channel resource in the M subframes, and specifically includes the following two methods:
  • Method 1 Divide the encoded sequence of S bits into Groups, after each group performs QAM modulation, obtain Qi QAM symbols, and repeat the transmission of the Qi QAM symbols in each subframe in each subframe group.
  • Method 2 Perform QAM modulation on the encoded sequence of S bits, and divide the modulated sequence into Groups, each group obtains Qi QAM symbols, and the Qi QAM symbols are repeatedly transmitted in each subframe in each subframe group.
  • the modulation method of the QAM modulation described in the embodiment of the present invention may be: a binary phase shift keying signal (BPSK, Binary Phase Shift Keying), a quadrature phase shift keying signal (QPSK), a 16QAM, 64QAM, or 256QAM modulation.
  • BPSK Binary Phase Shift Keying
  • QPSK quadrature phase shift keying signal
  • the method before performing the QAM modulation, the method further comprises: scrambling the encoded sequence.
  • a physical uplink control channel PUCCH format is used, and QAM symbol transmission is performed on the transmission resource corresponding to the PUCCH format.
  • the PUCCH format that can be used in the embodiment of the present invention may be PUCCH format 1, format 1a, format 1b, format 2, format 2a, format 2b, or format 3.
  • the sending end may be a terminal, that is, a user equipment (User Equipment, UE), and the receiving end may be a base station;
  • the transmitting end may be a base station, and the receiving end may be a terminal. That is, UE.
  • a data transmission method provided by an embodiment of the present invention includes the following steps:
  • the receiving end determines a quadrature amplitude modulated QAM symbol received by each subframe group obtained by grouping the total transmission subframe occupied by the current transport block, where each subframe in each subframe group repeatedly transmits the same QAM symbol;
  • the receiving end determines, according to the QAM symbol received by each subframe group, the number of subframe groups obtained by the transmitting end according to the total transmission subframe occupied by the transport block, where a coded sequence obtained by channel coding the transport block;
  • the receiving end performs channel decoding on the encoded sequence to obtain the transport block.
  • the receiving end of the data determines the orthogonal amplitude modulated QAM symbols received in each subframe group obtained by grouping the total transmission subframes occupied by the current transport block, and each subframe in any one of the subframe groups Repeatingly transmitting the same QAM symbol, and the receiving end determines, according to the QAM symbol received by each subframe group, the subframe group obtained by the transmitting end grouping according to the total transmission subframe occupied by the transport block.
  • a coded sequence obtained by performing channel coding on the transport block, and the receiving end performs channel decoding on the encoded sequence to obtain the transport block, and the TB calculates the code according to the number of subframe groups.
  • the number of bits after the channel coding and rate matching ensures that the same data information is transmitted in each of the same group of subframes participating in the multi-subframe channel estimation, thereby adopting multiple data transmission processes at the transmitting end and the receiving end.
  • Coherent combining can be performed when estimating the sub-channel channel, which improves the demodulation performance of the receiving end when the transmitting end and the receiving end are in frequency deviation.
  • the receiving end determines the QAM symbols received by each subframe group obtained by grouping the total transmission subframes occupied by the current transport block, including:
  • the receiving end combines the data symbols received in each subframe of the subframe group into subframes to obtain a combined data symbol corresponding to the subframe group; and obtains a joint channel corresponding to the subframe group. estimated value;
  • the receiving end performs channel compensation on the combined data symbols corresponding to the subframe group by using the joint channel estimation value corresponding to the subframe group, and determines the obtained channel compensated QAM symbol corresponding to the obtained subframe group as The QAM symbol received in the subframe group.
  • the joint channel estimation value corresponding to the one subframe group specifically: obtaining, for each subframe in the subframe group, a channel estimation value corresponding to the subframe according to the pilot symbol received in the subframe And performing channel subframe estimation corresponding to each subframe in the subframe group to obtain a multi-subframe joint channel estimation value corresponding to the subframe group; or, each subframe in the subframe group
  • the inter-subframe combining is performed to obtain the combined pilot symbols corresponding to the subframe group, and the corresponding pilot symbols corresponding to the subframe group are used to obtain the corresponding subframe group.
  • Multi-subframe joint channel estimation value or, based on the pilot symbols received in each subframe of the subframe group, the pilot symbol channel estimation value of the subframe is obtained (ie, the pilot symbol is located in each subframe)
  • the pilot symbol channel estimation values in each subframe in the subframe group are sub-frame combined to obtain the combined pilot corresponding to the subframe group.
  • Symbol channel estimate based on the subframe group The combined pilot symbol channel estimation value is obtained, and the multi-subframe joint channel estimation value corresponding to the subframe group is obtained; the sequence information may include a loop based on the pilot basic sequence when the pilot symbol is generated.
  • the process of removing sequence information removes cyclic shift and time-domain orthogonality
  • the process of the information such as the spreading sequence may be an inverse process when the pilot symbol is generated.
  • the method includes at least the process of removing the sequence information, and may further include smoothing and denoising. Wait for other processes.
  • receiving the Q QAM symbols in the ith subframe group includes:
  • each subframe in the group performs inter-subframe combining corresponding to the obtained channel estimation value to obtain a joint channel estimation value corresponding to the i-th subframe group; or, receives pilot symbols in each subframe in the i-th subframe group.
  • the sequence information operation is performed on the pilot symbols received in the subframe, and the pilot symbols of the sequence information corresponding to each subframe in the i-th subframe group are merged between the subframes.
  • Joint channel estimation value may also consider pilot symbols in subframes in other subframe groups, that is, the combined channel estimation values corresponding to the i-th subframe group may not be limited to only the first i
  • the pilot symbols in each of the subframe groups are obtained, and the pilot symbols in the subframes in the other subframes may also be considered.
  • the specific combination mode may be a weighted average mode.
  • the receiving end determines, according to the QAM symbols received by each subframe group, the number of subframe groups obtained by the transmitting end according to the total transmission subframe occupied by the transport block,
  • the coded sequence obtained by performing channel coding on the transport block includes:
  • the receiving end receives the QAM symbols in each of the subframe groups, and demodulates the QAM symbols received by each of the subframe groups to obtain a coded sequence corresponding to each subframe group, and The coded sequence corresponding to each subframe group is cascaded, and the number of subframe groups obtained by the sender according to the total transmission subframe occupied by the transport block is obtained, and the transport block is channel coded.
  • the resulting encoded sequence or,
  • the receiving end receives the QAM symbols in each subframe group, and cascades the QAM symbols received by each subframe group, demodulates the cascaded QAM symbols, and obtains the sending end according to the pair.
  • the total transmission occupied by the transport block The number of subframe groups obtained by grouping the sub-frames, and the encoded sequence obtained by channel coding the transport block.
  • the method further comprises: descrambling the encoded sequence.
  • a physical uplink control channel PUCCH format is adopted, and QAM symbol reception is performed on the transmission resource corresponding to the PUCCH format.
  • the number of the subframe groups is The length of the encoded sequence is: a bit, where M is the total number of transmission subframes that the transport block needs to occupy, N is the number of subframes participating in channel estimation across the subframe, and C is the maximum number of bits per subframe.
  • the data transmission method at the receiving end includes, for example:
  • the length is a coded sequence of bits, where C is the maximum number of bits in a subframe;
  • the coded sequence of bits is subjected to channel decoding to obtain a transport block of length K bits, where C is the maximum number of bits in one subframe.
  • the receiving end is a base station, and the transmitting end is a terminal; for the downlink data receiving process, the receiving end is a terminal, and the transmitting end is a base station.
  • the specific data transmission structure is shown in FIG. 3 .
  • the IFFT represents the inverse fast Fourier transform.
  • the specific data transmission process is as follows:
  • a transport block of length K 72 bits is turbo coded (or convolutionally encoded) and rate matched to obtain a length. Bit-coded sequence;
  • the symbols of #0, 2, 3, 4, and 6 are symbols carrying data, and the symbols numbered #0, 1, 2, 4, and 5 in each slot in FIG. 4 under the extended CP are symbols carrying data;
  • the specific data spreading and mapping manner can be seen in the transmission mode of the prior art PUCCH format 2, in This is not repeated;
  • a CAZAC sequence of length Nsc is generated for each symbol used for transmitting pilots as a reference signal sequence transmitted on the symbol, specifically: generating a pilot basic sequence, and each time slot passes through a length W Domain spreading and cyclic shifting, that is, multiplication by an orthogonal sequence of length W in each slot and multiplication with the corresponding cyclic shift sequence on each bearer pilot SC-FDMA/OFDM symbol (ie SC-FDMA/ mapped to W bearer pilot symbols (reference signals) in each slot in one subframe after multiplication with a corresponding CAZAC sequence of length Nsc (with cyclic shift)
  • the mapped signal is transmitted on a PUCCH format 2, format 2a or format 2b channel resource corresponding to the subframe.
  • the process is based on a pilot base sequence cyclic shift and time domain orthogonal spread spectrum to obtain a pilot sequence transmitted by the transmitting end, and the received pilot sequence is divided by the pilot sequence sent by the transmitting end to obtain the removed sequence information.
  • the following 20-bit coded information if the modulation symbol grouping described in the method 2 is used, the QPSK demodulation may not be performed here, and the plurality of subframe group data are cascaded together and demodulated together;
  • the group channel compensated QPSK modulation symbols are cascaded to obtain a QPSK modulation symbol sequence of length 250;
  • Step 3 Channel decoding
  • the transmission structure is shown in Figure 5.
  • the specific transmission process is as follows:
  • a transport block of length K 72 bits is turbo coded (or convolutionally encoded) and rate matched to obtain a length.
  • the bit-coded sequence is
  • Nsc subcarriers of SC-FDMA/OFDM symbols that is, the 1 modulation symbol and length are Time-domain orthogonal sequence multiplication, obtained
  • Each of the modulation symbols is multiplied by a corresponding CAZAC sequence of length Nsc, and mapped to Nsc subcarriers of respective SC-FDMA/OFDM symbols in the first slot, the one modulation symbol and Length is Time-domain orthogonal sequence multiplication, obtained
  • Each of the modulation symbols is then multiplied by a corresponding CAZAC sequence of length Nsc (with cyclic shift information), mapped to Nsc subcarriers of respective SC-FDMA/OFDM symbols in the second slot
  • the symbols numbered #0, 1, and 5 are the symbols carrying the data, and the symbols numbered #0, 1, 4, and 5 in the first slot in Fig. 8 under the extended CP.
  • the symbol is a symbol carrying a pilot; the specific pilot spreading and mapping manner can be seen in the transmission method of the prior art PUCCH format 1b. Not repeated here;
  • the mapped signal is transmitted on a PUCCH format 1, format 1a, or format 1b channel resource corresponding to the subframe.
  • the multi-subframe joint channel estimation value is obtained.
  • the specific manner is the same as that in the first embodiment. The only difference is that there is one sub-frame.
  • the frame group includes only two subframes. In this case, only the two subframes are combined for the corresponding ones, and the details are not described herein.
  • the joint channel estimation value is used to perform channel compensation on the corresponding combined QPSK modulation symbols.
  • the demodulated 2-bit coded information is obtained. If the modulation symbol grouping method described in the second method is adopted, the QPSK demodulation may not be performed here, and the plurality of subframe group data may be demodulated together after being cascaded.
  • Step 3 Channel decoding
  • the transmission structure is shown in FIG. 9. The specific transmission process is as follows:
  • a transport block of length K 72 bits is turbo coded (or convolutionally encoded) and rate matched to obtain a length. Bit-coded sequence;
  • Nsc subcarriers of SC-FDMA/OFDM symbols that is, the 12 modulation symbols and the length are Time-domain orthogonal sequence multiplication, obtained
  • the modulation symbol sequences of length 12 are respectively mapped to the Nsc subcarriers of the corresponding SC-FDMA/OFDM symbols in the first slot, and the remaining 12 QPSK modulation symbols of the 24 QPSK modulation symbols (for example, the last 12) ) the length is
  • the time domain spread spectrum is mapped to the bearer data of the second time slot.
  • the modulation symbol sequences of length 12 are respectively mapped to the Nsc subcarriers of the corresponding SC-FDMA/OFDM symbols in the second slot.
  • the symbols of 2, 3, and 4 are symbols carrying data, and the symbols numbered #0, 1, 2, 4, and 5 in the first time slot in FIG. 12 under the extended CP, and the number in the second time slot.
  • the symbols that are #0, 1, 2, and 4 are the symbols that carry the data.
  • the transmission mode of the PUCCH format 3 in the prior art can be seen in detail, and details are not described herein.
  • Generating a CAZAC sequence of length Nsc for each symbol used for transmitting pilots as a reference signal sequence transmitted on the symbol specifically comprising: generating a pilot basic sequence, each time passing through a length W in each time slot Domain spreading and cyclic shifting, that is, a CAZAC sequence (with cyclic shift information) multiplied by an orthogonal sequence of length W in each slot and corresponding to the SC-FDMA/OFDM symbol carrying the pilot, respectively Multiplying, the sequences of the W column length Nsc are respectively mapped onto the SC-FDMA/OFDM symbols of the W bearer pilot (reference signal) in each slot, wherein each of the reference signal sequences of length Nsc
  • the symbol of the extended CP, W 2, that is, the symbol numbered #3 in each time slot in FIG. 10 and FIG. 12 is a symbol carrying a pilot; the specific pilot spreading and mapping manner can be seen in the existing The transmission mode of the technical PUCCH format 3 is not described here;
  • the mapped signal is transmitted on the PUCCH format 3 channel resource corresponding to the subframe.
  • the joint channel estimation value is used to perform channel compensation on the corresponding combined QPSK modulation symbol.
  • the QPSK modulation symbols are combined, and the joint channel estimation values corresponding to the 8*(i-1)-88*i subframes are obtained according to the foregoing manner, and the combined QPSK modulation symbols are channel compensated by using the joint channel estimation value.
  • the latter 48-bit coded information if the modulation symbol grouping method described in the second method is adopted, the QPSK demodulation may not be performed here, and the plurality of subframe group data are cascaded and demodulated together.
  • the channel-compensated QPSK modulation symbols are cascaded to obtain a QPSK modulation symbol sequence of length 240;
  • Step 3 Channel decoding
  • the symbol allocation of the bearer data and the bearer pilot in one subframe is as shown in FIG. 10; when the last symbol is reserved for the SRS transmission (ie, the shortened structure), the regular CP and The symbol assignment of the extended CP carrying data and carrying pilots in one subframe is as shown in FIGS. 11 and 12, respectively.
  • a data transmission device includes:
  • the first unit 11 is configured to: when the device is used as the sending end, according to the total transmission that needs to be occupied by the current transport block. Subframes are obtained by grouping the number of subframe groups obtained by grouping, and performing channel coding on the transport block to obtain a coded sequence;
  • a second unit 12 configured to obtain, according to the number of the subframe groups and the encoded sequence, multiple sets of orthogonal amplitude modulated QAM symbols;
  • the third unit 13 is configured to send the multiple groups of QAM symbols to the receiving end by using the multiple subframe groups, where each subframe in any one of the subframe groups repeatedly transmits a group of QAM symbols.
  • the number of the subframe groups is The length of the encoded sequence is: a bit, where M is the total number of transmission subframes that the transport block needs to occupy, N is the number of subframes participating in channel estimation across the subframe, and C is the maximum number of bits per subframe.
  • the second unit is specifically configured to:
  • the coded sequence is QAM-modulated, and the modulated sequence is grouped according to the number of the subframe groups to obtain a plurality of sets of QAM symbols.
  • the second unit is further configured to: perform scrambling on the encoded sequence.
  • the third unit transmits the QAM symbol in each subframe
  • the physical uplink control channel PUCCH format is used, and the QAM symbol transmission is performed on the transmission resource corresponding to the PUCCH format.
  • the device when the device is used as a receiving end, the device further includes:
  • the fourth unit 21 is configured to determine, when the device is the receiving end, a quadrature amplitude modulated QAM symbol received by each subframe group obtained by grouping the total transmission subframe occupied by the current transport block, where any Repeating transmission of the same QAM symbol for each subframe in the subframe group;
  • the fifth unit 22 is configured to determine, according to the QAM symbols received by each of the subframe groups, the number of subframe groups obtained by the sender according to the total transmission subframe occupied by the transport block, a coded sequence obtained by channel coding the transport block;
  • the sixth unit 23 is configured to perform channel decoding on the encoded sequence to obtain the transport block.
  • the data transmission device described in the embodiment of the present invention has a function of a transmitting end and a function of a receiving end.
  • a data transmission device includes:
  • the fourth unit 21 is configured to determine, when the device is the receiving end, a quadrature amplitude modulated QAM symbol received by each subframe group obtained by grouping the total transmission subframe occupied by the current transport block, where any Repeating transmission of the same QAM symbol for each subframe in the subframe group;
  • the fifth unit 22 is configured to determine, according to the QAM symbols received by each of the subframe groups, the number of subframe groups obtained by the sender according to the total transmission subframe occupied by the transport block,
  • the transport block is channel coded The encoded sequence to
  • the sixth unit 23 is configured to perform channel decoding on the encoded sequence to obtain the transport block.
  • the fourth unit is specifically configured to:
  • the data symbols received in each subframe of the subframe group are merged between the subframes to obtain the combined data symbols corresponding to the subframe group; and the joint channel estimation value corresponding to the subframe group is obtained;
  • the fifth unit is specifically configured to:
  • the fifth unit is further configured to: perform descrambling on the encoded sequence.
  • the fourth unit when receiving the QAM symbol in each subframe, the fourth unit adopts a physical uplink control channel PUCCH format, and performs QAM symbol reception on the transmission resource corresponding to the PUCCH format.
  • the number of the subframe groups is The length of the encoded sequence is: a bit, where M is the total number of transmission subframes that the transport block needs to occupy, N is the number of subframes participating in channel estimation across the subframe, and C is the maximum number of bits per subframe.
  • the above data transmission device may be a base station on the network side or a user equipment on the terminal side.
  • a data transmission device provided by an embodiment of the present invention includes:
  • the processor 500 is configured to read a program in the memory 520 and perform the following process:
  • channel coding is performed on the transport block according to the number of subframe groups obtained by grouping the total transmission subframes that need to be occupied by the current transport block, to obtain a coded sequence;
  • the control transceiver 510 transmits the plurality of sets of QAM symbols to the receiving end through the plurality of subframe groups, wherein each of the subframe groups repeatedly transmits a set of QAM symbols.
  • the number of the subframe groups is The length of the encoded sequence is: Bit, where M is the total number of transmission subframes that the transport block needs to occupy, N is the number of subframes participating in the cross-subframe channel estimation, and C is the maximum number of bits per subframe.
  • the processor 500 groups the encoded sequence according to the number of the subframe groups to obtain a plurality of sets of encoded sequences, and performs QAM modulation on the multiple sets of encoded sequences to obtain multiple groups. And performing QAM modulation on the encoded sequence, and grouping the modulated sequence according to the number of the subframe groups to obtain multiple sets of QAM symbols.
  • the processor 500 is further configured to: perform scrambling on the encoded sequence.
  • the processor 500 controls the transceiver 510 to perform QAM symbol transmission on the transmission resource corresponding to the PUCCH format by using a physical uplink control channel PUCCH format when transmitting the QAM symbol in each subframe.
  • the processor 500 is further configured to:
  • the data transmission device on the network side described in the embodiment of the present invention has a function of a transmitting end and a function of a receiving end.
  • the transceiver 510 is configured to receive and transmit data under the control of the processor 500.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 500 and various circuits of memory represented by memory 520.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 510 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 can store data used by the processor 500 when performing operations.
  • a data transmission device includes:
  • the processor 600 is configured to read a program in the memory 620 and perform the following process:
  • the processor 600 is configured to group any of the subframes obtained by grouping the total transmission subframes occupied by the current transport block:
  • the data symbols received in each subframe of the subframe group are merged between the subframes to obtain the combined data symbols corresponding to the subframe group; and the joint channel estimation value corresponding to the subframe group is obtained;
  • the processor 600 receives the QAM symbols in each of the subframe groups, and demodulates the QAM symbols received by each of the subframe groups to obtain corresponding to each subframe group. Encoding the sequence, cascading the coded sequences corresponding to each of the subframe groups, and obtaining the number of subframe groups obtained by the sender according to the total transmission subframe occupied by the transport block, Transmitting a block to obtain a coded sequence obtained by channel coding; or, receiving QAM symbols in each of the subframe groups, and concatenating the QAM symbols received by each of the subframe groups, and cascading QAM symbols Demodulation is performed to obtain a coded sequence obtained by channel coding the transmission block according to the number of subframe groups obtained by grouping the total transmission subframes occupied by the transmission block.
  • the processor 600 is further configured to: perform descrambling on the encoded sequence.
  • the processor 600 when receiving the QAM symbol in each subframe, the processor 600 adopts a physical uplink control channel PUCCH format, and performs QAM symbol reception on the transmission resource corresponding to the PUCCH format.
  • the number of the subframe groups is The length of the encoded sequence is: a bit, where M is the total number of transmission subframes that the transport block needs to occupy, N is the number of subframes participating in channel estimation across the subframe, and C is the maximum number of bits per subframe.
  • the processor 600 is further configured to:
  • the control transceiver 610 transmits the plurality of sets of QAM symbols to the receiving end through the plurality of subframe groups, wherein each of the subframe groups repeatedly transmits a set of QAM symbols.
  • the number of the subframe groups is The length of the encoded sequence is: a bit, where M is the total number of transmission subframes that the transport block needs to occupy, N is the number of subframes participating in channel estimation across the subframe, and C is the maximum number of bits per subframe.
  • the processor 600 when the processor 600 obtains multiple sets of QAM symbols according to the number of the subframe groups and the encoded sequence, the processor 600 is specifically configured to:
  • the coded sequence is QAM-modulated, and the modulated sequence is grouped according to the number of the subframe groups to obtain a plurality of sets of QAM symbols.
  • the method before performing the QAM modulation, the method further comprises: scrambling the encoded sequence.
  • a physical uplink control channel PUCCH format is used, and QAM symbol transmission is performed on the transmission resource corresponding to the PUCCH format.
  • the transceiver 610 is configured to receive and transmit data under the control of the processor 600.
  • the data transmission device on the terminal side provided by the embodiment of the present invention has a function of a transmitting end and a function of a receiving end.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 600 and various circuits of memory represented by memory 620.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 610 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the user interface 630 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 600 is responsible for managing the bus architecture and general processing, and the memory 620 can store data used by the processor 600 in performing operations.
  • the TB performs channel coding and rate matching according to the number of encoded bits calculated by the number of subframe groups to ensure each of the same group of subframes participating in the multi-subframe channel estimation.
  • a data transmission structure in which a same data information is transmitted in a frame and transmitted through a PUCCH in M subframes.
  • the embodiment of the present invention provides a new data transmission structure.
  • the coherent combining of multiple subframe signals can be implemented based on the transmission structure, and the frequency deviation between the transmitting end and the receiving end is improved. Demodulation performance.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

本发明公开了一种数据传输方法及设备，用以实现在发送端和接收端进行数据传输过程中采用多子帧信道估计时可以进行相干合并，从而提高发送端和接收端在频率偏差时接收端的解调性能。本发明提供的发送端的一种数据传输方法包括：发送端按照对当前传输块需要占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码，得到编码后序列；所述发送端根据所述子帧组的个数以及所述编码后序列，得到多组正交调幅QAM符号；所述发送端通过所述多个子帧组将所述多组QAM符号发送给接收端，其中任一子帧组中每一子帧重复传输一组QAM符号。

Description

一种数据传输方法及设备
本申请要求在2015年04月09日提交中国专利局、申请号为201510166968.6、发明名称为“一种数据传输方法及设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信技术领域，尤其涉及一种数据传输方法及设备。
背景技术
机器间(Machine-to-machine，M2M)通信作为一种新型的通信理念，其目的是将多种不同类型的通信技术有机结合，例如：机器对机器通信、机器控制通信、人机交互通信、移动互联通信，从而推动社会生产和生活方式的发展。预计未来人对人通信的业务可能仅占整个终端市场的1/3，而更大数量的通信是机器间(小带宽系统)通信业务。
当前的移动通信网络是针对人与人之间的通信设计的，例如：网络容量的确定等。如果希望利用移动通信网络来支持小带宽系统通信就需要根据小带宽系统通信的特点对移动通信系统的机制进行优化，以便能够在对传统的人与人通信不受或受较小影响的情况下，更好地实现小带宽系统通信。
当前认识到的MTC通信可能存在的一些特性有：
机器型通信(Machine Type Communications，MTC)终端具有低移动性；
MTC终端与网络侧进行数据传输的时间是可控的；即MTC终端只能在网络指定的时间段内进行接入。
MTC终端与网络侧进行的数据传输对数据传输对实时性要求不高，即：具有时间容忍性；
MTC终端能量受限，要求极低的功率消耗；
MTC终端和网络侧之间只进行小数据量的信息传输；
MTC终端可以以组为单位进行管理。
一个实际的MTC终端可以具有上述的一个或多个特性。
M2M传输的覆盖增强技术介绍如下：
物联网技术方兴未艾，在第三代移动通信系统以及其长期演进系统(Long Term Evolution，LTE)中需要支持MTC功能。一台MTC设备(或称MTC终端)可能具有多种M2M通信特性之中的部分特性，例如：低移动性、传输数据量小、对通信时延不敏感、 要求极低功耗等特征。
在现有的基于全球移动通信系统(Global System for Mobile communication，GSM)技术的M2M网络中，运营商发现在有些场景下工作的终端，比如工作于地下室、商场或者建筑角落的终端，由于无线信号被严重遮挡，信号受到很大的衰减，上述终端无法与网络进行通信，而针对这些场景下进行网络的深度覆盖会大大增加网络的建网成本。运营商经过测试，认为需要对GSM的现有覆盖增强例如15dB才可满足上述场景的覆盖需求。后续长期演进(Long Term Evolution，LTE)技术会替代GSM用于M2M传输，由于LTE与GSM覆盖基本相当，因此，LTE技术也需要增强例如15dB的覆盖来满足上述场景下的M2M传输要求。
要做到15dB的覆盖增强，一种较为可行的方法是需要对LTE系统现有信道采用重复传输或类似技术，理论上可以通过对现有物理信道进行几十次至几百次重复传输获得15dB的覆盖增益。
现有技术采用重复机制的方法实现覆盖增强，需要占用较多的信道资源，降低了传输效率，增加了终端功耗，另外，同一时频域资源只能用于一个用户的重复传输，降低了系统复用容量。为了解决上述弊端，还可以考虑使用基于物理上行链路控制信道(Physical Uplink Control Channel，PUCCH)结构传输传输块(Transport Block，TB)，将TB经过信道编码(可以包括速率匹配过程)后的编码后信息分割到多个子帧中，每个子帧中都基于PUCCH结构传输。另一方面，为了尽可能减少重复次数，经过研究，发现跨子帧信道估计是一种有效的手段。所谓跨子帧信道估计，是指利用多个子帧内的参考信号进行联合信道估计，一种典型的处理方式是将多个子帧信道估计的结果进行加权平均。相应地，多个子帧的数据部分进行相干合并。而相干合并的前提是在用来合并的多个子帧中发送的信号是相同的。但是，由于PUCCH结构在一个子帧中的承载容量有限，TB编码后的信息需要分割到多个子帧中传输，导致不同子帧中传输的信息不同，无法进行相干合并。
综上所述，现有技术在发送端和接收端进行数据传输过程中采用多子帧信道估计时无法进行相干合并，因此导致发送端和接收端在频率偏差时接收端的解调性能较差。
发明内容
本发明实施例提供了一种数据传输方法及设备，用以实现在发送端和接收端进行数据传输过程中采用多子帧信道估计时可以进行相干合并，从而提高发送端和接收端在频率偏差时接收端的解调性能。
本发明实施例提供的一种数据传输方法，包括：
发送端按照对当前传输块需要占用的总的传输子帧进行分组得到的子帧组的个数，对 所述传输块进行信道编码，得到编码后序列；
所述发送端根据所述子帧组的个数以及所述编码后序列，得到多组正交调幅QAM符号；
所述发送端通过所述多个子帧组将所述多组QAM符号发送给接收端，其中任一子帧组中每一子帧重复传输一组QAM符号。
通过该方法，数据的发送端按照对当前传输块需要占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码，得到编码后序列，根据所述子帧组的个数以及所述编码后序列，得到多组正交调幅QAM符号，通过所述多个子帧组将所述多组QAM符号发送给接收端，其中任一子帧组中每一子帧重复传输一组QAM符号，因此TB按照子帧组的个数计算出的编码后比特数进行信道编码和速率匹配，保证了参与多子帧信道估计的同一组子帧中的每个子帧中传输相同的数据信息，从而在发送端和接收端进行数据传输过程中采用多子帧信道估计时可以进行相干合并，提高了发送端和接收端在频率偏差时接收端的解调性能。
较佳地，所述子帧组的个数为
Figure PCTCN2016078319-appb-000001
所述编码后序列的长度为：
Figure PCTCN2016078319-appb-000002
比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子帧数，C为每个子帧最大承载的比特数。
较佳地，所述发送端根据所述子帧组的个数以及所述编码后序列，得到多组QAM符号，包括：
所述发送端将所述编码后序列按照所述子帧组的个数进行分组，得到多组编码后序列，对所述多组编码后序列分别进行QAM调制后得到多组QAM符号；或者，
所述发送端将所述编码后序列进行QAM调制，将调制后序列按照所述子帧组的个数进行分组，得到多组QAM符号。
较佳地，进行所述QAM调制之前，该方法还包括：对所述编码后序列进行加扰。
较佳地，在每个子帧中传输QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号传输。
本发明实施例提供的一种数据传输方法，包括：
接收端确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的正交调幅QAM符号，其中任一子帧组中每一子帧重复传输相同的QAM符号；
所述接收端基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；
所述接收端对所述编码后序列进行信道译码，得到所述传输块。
通过该方法，数据的接收端确定在对当前传输块占用的总的传输子帧进行分组得到的 每一子帧组接收到的正交调幅QAM符号，其中任一子帧组中每一子帧重复传输相同的QAM符号，所述接收端基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列，所述接收端对所述编码后序列进行信道译码，得到所述传输块，由于TB按照子帧组的个数计算出的编码后的比特数进行信道编码和速率匹配，保证了参与多子帧信道估计的同一组子帧中的每个子帧中传输相同的数据信息，从而在发送端和接收端进行数据传输过程中采用多子帧信道估计时可以进行相干合并，提高了发送端和接收端在频率偏差时接收端的解调性能。
较佳地，所述接收端确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的QAM符号，包括：
对于对当前传输块占用的总的传输子帧进行分组得到的任一子帧组：
所述接收端将在该子帧组中每一子帧接收到的数据符号进行子帧间合并，得到该子帧组对应的合并后的数据符号；以及，获得该子帧组对应的联合信道估计值；
所述接收端使用该子帧组对应的联合信道估计值，对该子帧组对应的合并后的数据符号进行信道补偿，将得到的该子帧组对应的信道补偿后的QAM符号，确定为在该子帧组接收到的QAM符号。
较佳地，所述接收端基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列，包括：
所述接收端在所述每一子帧组接收到QAM符号，并对所述每一子帧组接收到的QAM符号进行解调，得到所述每一子帧组对应的编码后序列，将所述每一子帧组对应的编码后序列级联，得到发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；或者，
所述接收端在所述每一子帧组接收到QAM符号，并将所述每一子帧组接收到的QAM符号级联，对级联后的QAM符号进行解调，得到发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列。
较佳地，进行所述解调之后，该方法还包括：对所述编码后序列进行解扰。
较佳地，在每个子帧中接收QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号接收。
较佳地，所述子帧组的个数为
Figure PCTCN2016078319-appb-000003
所述编码后序列的长度为：
Figure PCTCN2016078319-appb-000004
比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子帧数，C为每个子帧最大承载的比特数。
本发明实施例提供的一种数据传输设备，包括：
第一单元，用于当所述设备作为发送端时，按照对当前传输块需要占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码，得到编码后序列；
第二单元，用于根据所述子帧组的个数以及所述编码后序列，得到多组正交调幅QAM符号；
第三单元，用于通过所述多个子帧组将所述多组QAM符号发送给接收端，其中任一子帧组中每一子帧重复传输一组QAM符号。
较佳地，所述子帧组的个数为
Figure PCTCN2016078319-appb-000005
所述编码后序列的长度为：
Figure PCTCN2016078319-appb-000006
比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子帧数，C为每个子帧最大承载的比特数。
较佳地，所述第二单元具体用于：
将所述编码后序列按照所述子帧组的个数进行分组，得到多组编码后序列，对所述多组编码后序列分别进行QAM调制后得到多组QAM符号；或者，
将所述编码后序列进行QAM调制，将调制后序列按照所述子帧组的个数进行分组，得到多组QAM符号。
较佳地，所述第二单元进行所述QAM调制之前，还用于：对所述编码后序列进行加扰。
较佳地，所述第三单元在每个子帧中传输QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号传输。
较佳地，还包括：
第四单元，用于当所述设备作为接收端时，确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的正交调幅QAM符号，其中任一子帧组中每一子帧重复传输相同的QAM符号；
第五单元，用于基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；
第六单元，用于对所述编码后序列进行信道译码，得到所述传输块。
本发明实施例提供的一种数据传输设备，包括：
第四单元，用于当所述设备作为接收端时，确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的正交调幅QAM符号，其中任一子帧组中每一子帧重复传输相同的QAM符号；
第五单元，用于基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；
第六单元，用于对所述编码后序列进行信道译码，得到所述传输块。
较佳地，所述第四单元具体用于：
对于对当前传输块占用的总的传输子帧进行分组得到的任一子帧组：
将在该子帧组中每一子帧接收到的数据符号进行子帧间合并，得到该子帧组对应的合并后的数据符号；以及，获得该子帧组对应的联合信道估计值；
使用该子帧组对应的联合信道估计值，对该子帧组对应的合并后的数据符号进行信道补偿，将得到的该子帧组对应的信道补偿后的QAM符号，确定为在该子帧组接收到的QAM符号。
较佳地，所述第五单元具体用于：
在所述每一子帧组接收到QAM符号，并对所述每一子帧组接收到的QAM符号进行解调，得到所述每一子帧组对应的编码后序列，将所述每一子帧组对应的编码后序列级联，得到发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；或者，
在所述每一子帧组接收到QAM符号，并将所述每一子帧组接收到的QAM符号级联，对级联后的QAM符号进行解调，得到发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列。
较佳地，所述第五单元进行所述解调之后，还用于：对所述编码后序列进行解扰。
较佳地，所述第四单元在每个子帧中接收QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号接收。
较佳地，所述子帧组的个数为
Figure PCTCN2016078319-appb-000007
所述编码后序列的长度为：
Figure PCTCN2016078319-appb-000008
比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子帧数，C为每个子帧最大承载的比特数。
附图说明
图1为本发明实施例提供的发送端的一种数据传输方法的流程示意图；
图2为本发明实施例提供的接收端的一种数据传输方法的流程示意图；
图3为本发明实施例提供的常规循环前缀(Cyclic Prefix，CP)下的基于PUCCH模式(format)2的传输结构示意图；
图4为本发明实施例提供的扩展CP下的基于PUCCH format 2的传输结构示意图；
图5为本发明实施例提供的常规CP下的基于PUCCH format 1b的传输结构示意图；
图6为本发明实施例提供的扩展CP下的基于PUCCH format 1b的传输结构示意图；
图7为本发明实施例提供的常规CP下的基于PUCCH format 1b的传输结构示意图；
图8为本发明实施例提供的扩展CP下的基于PUCCH format 1b的传输结构示意图；
图9为本发明实施例提供的常规CP下的基于PUCCH format 3的传输结构示意图；
图10为本发明实施例提供的扩展CP下的基于PUCCH format 3的传输结构示意图；
图11为本发明实施例提供的常规CP下的基于PUCCH format 3的传输结构示意图；
图12为本发明实施例提供的扩展CP下的基于PUCCH format 3的传输结构示意图；
图13为本发明实施例提供的一种数据传输设备的结构示意图；
图14为本发明实施例提供的另一种数据传输设备的结构示意图；
图15为本发明实施例提供的网络侧的一种数据传输设备的结构示意图；
图16为本发明实施例提供的终端侧的一种数据传输设备的结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
应理解，本发明的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、先进的长期演进(Advanced long term evolution，LTE-A)系统、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)等。
还应理解，在本发明实施例中，用户设备(User Equipment，UE)包括但不限于移动台(Mobile Station，MS)、移动终端(Mobile Terminal)、移动电话(Mobile Telephone)、手机(handset)及便携设备(portable equipment)等，该用户设备可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网进行通信，例如，用户设备可以是移动电话(或称为“蜂窝”电话)、具有无线通信功能的计算机等，用户设备还可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置。
在本发明实施例中，基站(例如，接入点)可以是指接入网中在空中接口上通过一个或多个扇区与无线终端通信的设备。基站可用于将收到的空中帧与IP分组进行相互转换，作为无线终端与接入网的其余部分之间的路由器，其中接入网的其余部分可包括网际协议(IP)网络。基站还可协调对空中接口的属性管理。例如，基站可以是GSM或CDMA中的基站(Base Transceiver Station，BTS)，也可以是WCDMA中的基站(NodeB)，还可以 是LTE中的演进型基站(NodeB或eNB或e-NodeB，evolutional Node B)，本发明并不限定。
本发明实施例提供了一种数据传输方法及设备，用以实现在发送端和接收端进行数据传输过程中采用多子帧信道估计时可以进行相干合并，从而提高发送端和接收端在频率偏差时接收端的解调性能。
参见图1，在发送端，本发明实施例提供的一种数据传输方法，包括步骤：
S101、发送端按照对当前传输块需要占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码，得到编码后序列；
S102、所述发送端根据所述子帧组的个数以及所述编码后序列，得到多组正交调幅QAM符号；
S103、所述发送端通过所述多个子帧组将所述多组QAM符号发送给接收端，其中任一子帧组中每一子帧重复传输一组QAM符号。
通过该方法，数据的发送端按照对当前传输块需要占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码，得到编码后序列，即TB按照子帧组的个数计算出的编码后比特数进行信道编码和速率匹配；根据所述子帧组的个数以及所述编码后序列，得到多组正交调幅QAM符号，通过所述多个子帧组将所述多组QAM符号发送给接收端，其中任一子帧组中每一子帧重复传输一组QAM符号，因此保证了参与多子帧信道估计的同一组子帧中的每个子帧中传输相同的数据信息，从而在发送端和接收端进行数据传输过程中采用多子帧信道估计时可以进行相干合并，提高了发送端和接收端在频率偏差时接收端的解调性能。
较佳地，所述子帧组的个数为
Figure PCTCN2016078319-appb-000009
所述编码后序列的长度为：
Figure PCTCN2016078319-appb-000010
比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子帧数，C为每个子帧最大承载的比特数。
需要说明的是，本发明实施例中，将传输块需要占用的总的传输子帧进行划分，得到多个子帧组，具体的划分方式可以有多种，可以是平均划分，即每一子帧组中包含的子帧数相同，也可以是随机划分，不同的子帧组中包含的子帧数可以相同也可以不同。
本发明实施例为了实现方便，可以将M个子帧分为
Figure PCTCN2016078319-appb-000011
个子帧组，则，对长度为K比特的传输块进行信道编码，得到长度为
Figure PCTCN2016078319-appb-000012
比特的编码后序列。记在第i个子帧组中传输Qi个正交调幅(Quadrature Amplitude Modulation，QAM)符号，这些Qi个QAM符号可以记为{q_1,q_2,…,q_Qi}，所述Qi个QAM符号由所述长度为S比特的编码后序列中的Ki个比特得到，其中，
Figure PCTCN2016078319-appb-000013
同一个子帧组中的每个子帧传输的QAM符号相同。
当MOD(M,N)>0时，在
Figure PCTCN2016078319-appb-000014
个子帧组中存在一个子帧组中的子帧数不足N个，即 为MOD(M,N)个，其余
Figure PCTCN2016078319-appb-000015
个子帧组中所包含的子帧数都为N个；例如，第一个或者最后一个子帧组包含MOD(M,N)个子帧；其中，MOD(M，N)表示M除以N得到的余数。
本发明实施例中所述的信道编码可以为：turbo编码、卷积编码、或者RM编码。
较佳地，所述发送端根据所述子帧组的个数以及所述编码后序列，得到多组QAM符号，包括：
所述发送端将所述编码后序列按照所述子帧组的个数进行分组，得到多组编码后序列，对所述多组编码后序列分别进行QAM调制后得到多组QAM符号；或者，
所述发送端将所述编码后序列进行QAM调制，将调制后序列按照所述子帧组的个数进行分组，得到多组QAM符号。
即本发明实施例在所述M个子帧中对应的信道资源上传输所述长度为S比特的编码后序列，具体包括以下两种方法：
方法一：将S比特的编码后序列分为
Figure PCTCN2016078319-appb-000016
组，每组进行QAM调制后，得到Qi个QAM符号，将该Qi个QAM符号在每个子帧组中的每个子帧中重复传输。
方法二：将S比特的编码后序列进行QAM调制，将调制后序列分为
Figure PCTCN2016078319-appb-000017
组，每组得到Qi个QAM符号，将该Qi个QAM符号在每个子帧组中的每个子帧中重复传输。
本发明实施例中所述的QAM调制的调制方式可以为：二相相移键控信号(BPSK，Binary Phase Shift Keying)、四相相移键控信号(Quadrature Phase Shift Keying，QPSK)、16QAM、64QAM、或256QAM调制。
较佳地，进行所述QAM调制之前，该方法还包括：对所述编码后序列进行加扰。
较佳地，在每个子帧中传输QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号传输。
其中，本发明实施例中可使用的PUCCH格式，可以为PUCCH format 1、format 1a、format 1b、format 2、format 2a、format 2b、或者format 3。
其中，C与使用的PUCCH format相关，对于PUCCH format 1/1a(假设使用BPSK调制)，C＝1，对于PUCCH format 1b(假设使用QPSK调制)，C＝2，对于PUCCH format 2/2a/2b(假设使用QPSK调制)，C＝20，对于PUCCH format 3(假设使用QPSK调制)，C＝48。
上述过程中，对于上行数据发送过程，发送端可以为终端，即用户设备(User Equipment，UE)，接收端可以是基站；对于下行数据发送过程，发送端可以为基站，接收端可以是终端，即UE。
相应地，在接收端，参见图2，本发明实施例提供的一种数据传输方法，包括步骤：
S201、接收端确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的正交调幅QAM符号，其中任一子帧组中每一子帧重复传输相同的QAM符号；
S202、所述接收端基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；
S203、所述接收端对所述编码后序列进行信道译码，得到所述传输块。
通过该方法，数据的接收端确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的正交调幅QAM符号，其中任一子帧组中每一子帧重复传输相同的QAM符号，所述接收端基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列，所述接收端对所述编码后序列进行信道译码，得到所述传输块，由于TB按照子帧组的个数计算出的编码后的比特数进行信道编码和速率匹配，保证了参与多子帧信道估计的同一组子帧中的每个子帧中传输相同的数据信息，从而在发送端和接收端进行数据传输过程中采用多子帧信道估计时可以进行相干合并，提高了发送端和接收端在频率偏差时接收端的解调性能。
较佳地，所述接收端确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的QAM符号，包括：
对于对当前传输块占用的总的传输子帧进行分组得到的任一子帧组：
所述接收端将在该子帧组中每一子帧接收到的数据符号进行子帧间合并，得到该子帧组对应的合并后的数据符号；以及，获得该子帧组对应的联合信道估计值；
所述接收端使用该子帧组对应的联合信道估计值，对该子帧组对应的合并后的数据符号进行信道补偿，将得到的该子帧组对应的信道补偿后的QAM符号，确定为在该子帧组接收到的QAM符号。
所述的获得一个子帧组对应的联合信道估计值，具体包括：对于该子帧组中每一子帧，基于在该子帧接收到的导频符号，获得该子帧对应的信道估计值，将该子帧组中的每个子帧对应的信道估计值进行子帧间合并，得到该子帧组对应的多子帧联合信道估计值；或者，将在该子帧组中每一子帧接收到的导频符号去除序列信息后进行子帧间合并，得到该子帧组对应的合并后的导频符号，基于该子帧组对应的合并后的导频符号获得该子帧组对应的多子帧联合信道估计值；或者，基于在该子帧组中每一子帧接收到的导频符号得到该子帧的导频符号信道估计值(即每一个子帧中该导频符号所在的SC-FDMA/OFDM符号上的信道估计值)，将该子帧组中每一个子帧中的导频符号信道估计值进行子帧间合并，得到该子帧组对应的合并后的导频符号信道估计值，基于该子帧组对应的合并后的导频符号信道估计值，得到该子帧组对应的多子帧联合信道估计值；上述序列信息可以包括在产生导频符号时，在导频基本序列的基础上进行的循环移位，时域正交扩频(即与一定长度的时域正交扩频序列相乘)等操作引入的信息；去除序列信息的过程即去除循环移位、时域正交 扩频序列等信息的过程，具体可以为产生导频符号时的逆过程；上述得到该子帧的导频符号信道估计值时，至少包括去除序列信息的过程，还可以进一步包括平滑，去噪声等其他过程。
例如，在第i个子帧组中接收Qi个QAM符号，具体包括：
在第i个子帧组中的每个子帧中接收Qi个QAM符号，将该第i个子帧组中的每个子帧中接收到的Qi个QAM符号进行子帧间合并，得到合并后的Qi个QAM符号；
在第i个子帧组中的每个子帧中接收导频符号，对于每一子帧，基于该子帧中接收到的导频符号获得该子帧对应的信道估计值，将该第i个子帧组中的每个子帧对应得到的信道估计值进行子帧间合并，得到该第i个子帧组对应的联合信道估计值；或者，在第i个子帧组中的每个子帧中接收导频符号，对于每一子帧，对该子帧中接收到的导频符号进行去除序列信息操作，将该第i个子帧组中的每个子帧对应的去除序列信息的导频符号进行子帧间合并，得到该第i个子帧组对应的合并后的导频符号，基于该第i个子帧组对应的合并后的导频符号获得该第i个子帧组对应的合并后的信道估计值；或者，在第i个子帧组中的每个子帧中接收导频符号，对于每一子帧，基于该子帧中接收到的导频符号得到导频信道估计值，将该第i个子帧组中的每个子帧对应的导频信道估计值进行子帧间合并，得到该第i个子帧组对应的合并后的导频信道估计值，基于该第i个子帧组对应的合并后的导频信道估计值获得该第i个子帧组对应的联合信道估计值；或者，上述合并还可以考虑其他子帧组中的子帧中的导频符号，即第i个子帧组对应的合并后的信道估计值可以不局限于仅根据该第i个子帧组中的每个子帧中的导频符号获得，还可以考虑其他子帧中的子帧中的导频符号。
使用第i个子帧组合并后的信道估计值对第i个子帧组合并后的Qi个QAM符号进行信道补偿，得到第i个子帧组信道补偿后的Qi个QAM符号，作为在第i个子帧组中接收的Qi个QAM符号。
其中，具体的合并方式可以为加权平均方式。
较佳地，所述接收端基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列，包括：
所述接收端在所述每一子帧组接收到QAM符号，并对所述每一子帧组接收到的QAM符号进行解调，得到所述每一子帧组对应的编码后序列，将所述每一子帧组对应的编码后序列级联，得到发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；或者，
所述接收端在所述每一子帧组接收到QAM符号，并将所述每一子帧组接收到的QAM符号级联，对级联后的QAM符号进行解调，得到发送端按照对所述传输块占用的总的传 输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列。
较佳地，进行所述解调之后，该方法还包括：对所述编码后序列进行解扰。
较佳地，在每个子帧中接收QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号接收。
较佳地，所述子帧组的个数为
Figure PCTCN2016078319-appb-000018
所述编码后序列的长度为：
Figure PCTCN2016078319-appb-000019
比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子帧数，C为每个子帧最大承载的比特数。
在接收端的数据传输方法，例如包括：
将M个子帧分为
Figure PCTCN2016078319-appb-000020
个子帧组，在第i个子帧组中接收Qi个QAM符号{q_1,q_2,…,q_Qi}，所述Qi个QAM符号由所述长度为S比特的编码后序列中的Ki个比特得到，其中，
Figure PCTCN2016078319-appb-000021
同一个子帧组中的每个子帧传输的QAM符号相同，M为该传输块占用的总传输子帧数，N为参与跨子帧信道估计的子帧数，MOD(M，N)表示M除以N得到的余数；
基于在M个子帧接收到的QAM调制符号，得到长度为
Figure PCTCN2016078319-appb-000022
比特的编码后序列，其中，C为一个子帧中的最大承载的比特数；
对长度为
Figure PCTCN2016078319-appb-000023
比特的编码后序列进行信道译码，得到长度为K比特的传输块，其中，C为一个子帧中的最大承载的比特数。
上述过程中，对于上行数据接收过程，接收端为基站，发送端为终端；对于下行数据接收过程，接收端为终端，发送端为基站。
下面给出几个具体实施例的举例说明。
实施例1：假设1个TB的大小为K＝72比特，在M＝100个子帧中传输，每N＝4个子帧一组进行多子帧联合信道估计，基于PUCCH format2结构进行传输，即采用QPSK调制，每个子帧中可以传输C＝20比特编码信息(10个QPSK调制符号)，占用1个物理资源块(Physical Resource Block，PRB)进行传输，具体的数据传输结构如图3所示，其中的IFFT表示快速傅里叶逆变换，具体的数据传输过程如下：
发送端：
步骤一：编码
长度为K＝72比特的传输块经过turbo coding(或者卷积编码)和速率匹配后，得到长度
Figure PCTCN2016078319-appb-000024
比特编码后序列；
步骤二：分组
方法一：对比特进行分组
将编码后序列分为
Figure PCTCN2016078319-appb-000025
组，每组包含Ki＝20比特编码后信息；例如第1～20比特为第一组，第21～40比特为第二组，以此类推，第20*(i-1)+1～20*i比特为第i组， i＝1,2…25；
对每组中的20比特信息进行QPSK调制，每组中获得Qi＝10个QPSK调制符号；
方法二：对调制符号进行分组
对上述长度为S＝500比特的编码后序列进行QPSK调制，得到250个QPSK调制符号；
将250个QPSK调制符号分为
Figure PCTCN2016078319-appb-000026
组，每组包含Qi＝10个QPSK调制符号；例如第1～10个QPSK调制符号为第一组，第11～20个QPSK调制符号为第二组，以此类推，第10*(i-1)+1～10*i个QPSK调制符号为第i组，i＝1,2…25；
步骤三：传输
依次取一组Qi＝10个QPSK调制符号，在N＝4个子帧中传输；具体为：取第一组Q1＝10个QPSK调制符号，在第1个子帧组中的N1个子帧中传输，例如第1个子帧组为100个子帧中的第1～4个子帧，N1＝N＝4，其中，在该子帧组中的每个子帧中，重复如下步骤传输；然后，取第二组Q2＝10个QPSK调制符号，在第2个子帧组中的N2个子帧中传输，例如第2个子帧组为100个子帧中的第5～8个子帧，N2＝N＝4，其中，在该子帧组中的每个子帧中，重复如下步骤传输；以此类推，取第i组Qi＝10个QPSK调制符号，在第i个子帧组中的Ni个子帧中传输，例如第i个子帧组为100个子帧中的第4*(i-1)～4*i个子帧,i＝1,2…25，其中，在该子帧组中的每个子帧中，重复如下步骤传输；
将该Qi＝10个QPSK调制符号映射到L个承载数据的单载波频分复用(SC-FDMA)或正交频分复用(Orthogonal Frequency Division Multiplex，OFDM)符号上；其中，第i个调制符号q_i经过长度为Nsc的频域扩频后映射到第i个承载数据的SC-FDMA或OFDM符号的Nsc个子载波上，即第i个调制符号q_i与对应的长度为Nsc的带有循环移位信息的恒包络零自相关序列(Const Amplitude Zero Auto-Corelation，即CAZAC序列)相乘后得到长度为Nsc的序列，映射到第i个承载数据的SC-FDMA或OFDM符号的Nsc个子载波上，对于本实施例，基于PUCCH format2结构，频域仅占1RB，Nsc＝12，常规CP下和扩展CP下，L＝10，即常规CP下图3中每个时隙中的编号为#0、2、3、4、6的符号为承载数据的符号，扩展CP下图4中每个时隙中的编号为#0、1、2、4、5的符号为承载数据的符号；具体数据扩频和映射方式可详见现有技术PUCCH format2的传输方式，在此不赘述；
对每个用于传输导频的符号产生长度为Nsc的CAZAC序列作为在该符号上传输的参考信号序列，具体为：产生导频基本序列，在每个时隙中分别经过长度为W的时域扩频和循环移位，即在每个时隙中与长度为W的正交序列相乘并在每个承载导频SC-FDMA/OFDM符号上与对应的循环移位序列相乘(即与对应的长度为Nsc的CAZAC序列(带有循环移位的)相乘)后，映射到一个子帧中的每个时隙中的W个承载导频符号(参考信号)的SC-FDMA/OFDM符号上，其中，长度为Nsc的参考信号序列中的每个符号对应一个子载波；对于本实施例，基于PUCCH format2结构，常规CP下，W＝2，即图 3中每个时隙中的编号为#1、5的符号为承载导频的符号，扩展CP下，W＝1，即图4中每个时隙中的编号为#3的符号为承载导频的符号；具体的导频扩频和映射方式可详见现有技术PUCCH format2的传输方式，在此不赘述；
在该子帧所对应的PUCCH format 2、format 2a或format 2b信道资源上发送上述映射后的信号。
接收端：
步骤一：接收
在每个子帧中按照上述发送端(步骤三中)的逆过程接收Qi＝10个QPSK调制符号和导频；
将每N＝4个子帧中的QPSK调制符号进行合并(具体可以为相干合并，例如取加权平均)，得到每N＝4个子帧对应的合并后的一组Qi＝10个QPSK调制符号；获得多子帧联合信道估计值：在每个子帧中基于该子帧中的导频获得该子帧的信道估计值，将每N＝4个子帧中信道估计值进行合并(具体可以为相干合并，例如取加权平均)，得到每N＝4个子帧对应的联合信道估计值，或者，在每个子帧中对该子帧中接收到的导频去除序列信息(具体可以为按照发送端产生导频的过程，基于导频基序列进行循环移位、时域正交扩频，得到发送端发送的导频序列，将接收到的导频序列除以发送端发送的导频序列，得到去除序列信息的导频序列)，将每N＝4个子帧中的去除序列信息的导频进行合并(具体可以为相干合并，例如取加权平均)，基于合并后的导频得到每N＝4个子帧的联合信道估计值，或者，在每个子帧中基于该子帧中接收到的导频得到导频信道估计值，将每N＝4个子帧中的导频信道估计值进行合并(具体可以为相干合并，例如取加权平均)，基于合并后的导频信道估计值得到每N＝4个子帧的联合信道估计值；使用该联合信道估计值对相应的合并后的QPSK调制符号进行信道补偿，得到该4个子帧对应的信道补偿后的一组Qi＝10个QPSK调制符号；上述行为等价为将M＝100个子帧分为
Figure PCTCN2016078319-appb-000027
组，在每个子帧组中按照上述步骤获得信道补偿后的Qi＝10个QPSK调制符号，具体包括：
a)将第1～4个子帧(即第1个子帧组，包含N1＝N＝4个子帧)中的每个子帧中接收到的Qi＝10个QPSK调制符号进行合并，并按照上述方式获得第1～4个子帧对应的联合信道估计值，使用联合信道估计值对合并后的QPSK调制符号进行信道补偿，得到第1组信道补偿后的Q1＝10个QPSK调制符号；
b)将第5～8个子帧(即第2个子帧组，包含N2＝N＝4个子帧)中的每个子帧中接收到的Qi＝10个QPSK调制符号进行合并，并按照上述方式获得第5～8个子帧对应的联合信道估计值，使用联合信道估计值对合并后的QPSK调制符号进行信道补偿，得到第2组信道补偿后的Q2＝10个QPSK调制符号；
c)以此类推，将第4*(i-1)～4*i个子帧(即第i个子帧组，包含Ni＝N＝4个子帧) 中的每个子帧中接收到的Qi＝10个QPSK调制符号进行合并，并按照上述方式获得第4*(i-1)～4*i个子帧对应的联合信道估计值，使用联合信道估计值对合并后的QPSK调制符号进行信道补偿，得到第i组Qi＝10个QPSK调制符号，i＝1,2…25；
需要说明的是，如果采用方法一中所述的比特分组方式，上述步骤a)、b)、c)中还包括对信道补偿后的Qi＝10个QPSK调制符号进行QPSK解调，得到解调后的20比特编码信息，如果采用方法二中所述的调制符号分组，此处可以不进行QPSK解调，在多个子帧组数据级联后一起解调；
步骤二：级联
当采用上述方法一所述的比特分组方式时：
将上述步骤一得到的
Figure PCTCN2016078319-appb-000028
组解调后的编码信息进行级联，得到长度为S＝500比特的编码后序列；
当采用上述方法二所述的调制符号分组方式时：
将上述步骤一得到的
Figure PCTCN2016078319-appb-000029
组信道补偿后的QPSK调制符号进行级联，得到长度为250的QPSK调制符号序列；
对长度为250的QPSK调制符号序列进行QPSK解调，得到长度为S＝500比特的编码后序列；
步骤三：信道译码
对步骤二中得到的长度为S＝500比特的编码后序列进行解速率匹配和turbo decoding(或者卷积码译码)，得到长度为K＝72比特的译码后序列，即原传输块；
上述实施例中，在扩展CP下，在一个子帧中承载数据和承载导频的符号分配如图4所示。
实施例2：假设1个TB的大小为K＝72比特，在M＝450个子帧中传输，每N＝4个子帧一组进行多子帧联合信道估计，基于PUCCH format1b结构进行传输，即采用QPSK调制，每个子帧中可以传输C＝2比特编码信息(1个QPSK调制符号)，占用1个PRB进行传输，传输结构如图5所示，具体传输过程如下：
发送端：
步骤一：编码
长度为K＝72比特的传输块经过turbo coding(或者卷积编码)和速率匹配后，得到长度
Figure PCTCN2016078319-appb-000030
比特编码后序列。
步骤二：分组
方法一：对比特信息进行分组
将编码后序列分为
Figure PCTCN2016078319-appb-000031
组，每组包含Ki＝2比特编码后信息；例如第1～2比特为第一组，第3～4比特为第二组，以此类推，第2*(i-1)+1～2*i比特为第i组，i＝1,2…113；
对每组中的2比特信息进行QPSK调制，每组中获得Qi＝1个QPSK调制符号；
方法二：对调制符号进行分组
对上述长度为S＝226比特的编码后序列进行QPSK调制，得到113个QPSK调制符号；
将113个QPSK调制符号分为
Figure PCTCN2016078319-appb-000032
组，每组包含Qi＝1个QPSK调制符号；例如第1个QPSK调制符号为第一组，第2个QPSK调制符号为第二组，以此类推，第i个QPSK调制符号为第i组，i＝1,2…113；
步骤三：传输
依次取一组Qi＝1个QPSK调制符号，在N＝4个子帧中传输；
具体包括：取第一组Q1＝1个QPSK调制符号，在第1个子帧组中的N1个子帧中传输，例如，第1个子帧组为450个子帧中的第1～4个子帧，N1＝N＝4，其中，在该子帧组中的每个子帧中，重复如下步骤传输；然后，取第二组Q2＝1个QPSK调制符号，在第2个子帧组中的N2个子帧中传输，例如第2个子帧组为450个子帧中的第5～8个子帧，N2＝N＝4，其中，在该子帧组中的每个子帧中，重复如下步骤传输；以此类推，取第i组Qi＝1个QPSK调制符号，在第i个子帧组中的Ni个子帧中传输，例如第i个子帧组为450个子帧中的第4*(i-1)～4*i个子帧,i＝1,2…112，其中，在该子帧组中的每个子帧中，重复如下步骤传输；在最后一个子帧组中，仅包含MOD(450,4)＝2个子帧，即取第113组Q113＝1个QPSK调制符号，在第113个子帧组中的N113个子帧中传输，例如第113个子帧组为450个子帧中的第449～450个子帧，N113＝MOD(450,4)＝2)，其中，在该子帧组中的每个子帧中，重复如下步骤传输；
将该Qi＝1个QPSK调制符号映射到L个承载数据的SC-FDMA/OFDM符号上；其中，该1个QPSK调制符号经过长度为Nsc的频域扩频以及长度为
Figure PCTCN2016078319-appb-000033
的时域扩频后映射到第1个时隙的承载数据的
Figure PCTCN2016078319-appb-000034
个SC-FDMA/OFDM符号的Nsc个子载波上，经过长度为Nsc的频域扩频以及长度为
Figure PCTCN2016078319-appb-000035
的时域扩频后映射到第2个时隙的承载数据的
Figure PCTCN2016078319-appb-000036
个SC-FDMA/OFDM符号的Nsc个子载波上，即该1个调制符号与长度为
Figure PCTCN2016078319-appb-000037
的时域正交序列相乘，得到的
Figure PCTCN2016078319-appb-000038
个调制符号中的每个调制符号再与对应的长度为Nsc的CAZAC序列相乘，映射到第一个时隙中的相应SC-FDMA/OFDM符号的Nsc个子载波上，该1个调制符号与长度为
Figure PCTCN2016078319-appb-000039
的时域正交序列相乘，得到的
Figure PCTCN2016078319-appb-000040
个调制符号中的每个调制符号再与对应的长度为Nsc的CAZAC序列(带有循环移位信息)相乘，映射到第二个时隙中的相应SC-FDMA/OFDM符号的Nsc个子载波上(上述扩频步骤也可以先频域扩频再时域扩频，顺序可变)；对于本实施例，基于PUCCH format1b结构，频域仅占用1个RB传输，即Nsc＝12，当采用常规(normal)方式时(即不支持最后一个符号预留传输探测用参考信号(Sounding Reference Signal，SRS))，L＝8，即常规CP下图5中每个时隙中的编号为#0、1、5、6的符号为承载数据的符号，扩展CP下图6中每个时隙中的编号为#0、1、 4、5的符号为承载数据的符号，当采用截短(shortened)方式时(即最后一个符号预留传输SRS)，L＝7，即常规CP下图7中第一个时隙中的编号为#0、1、5、6的符号以及第二个时隙编号为#0、1、5的符号为承载数据的符号，扩展CP下图8中第一个时隙中的编号为#0、1、4、5的符号、以及第二个时隙中编号为#0、1、4的符号为承载数据的符号；具体数据扩频和映射方式可详见现有技术PUCCH format1b的传输方式，在此不赘述；
对每个用于传输导频的符号产生长度为Nsc的CAZAC序列作为在该符号上传输的参考信号序列，具体为：产生导频基本序列，在每个时隙中分别经过长度为W的时域扩频以及长度为Nsc的频域扩频(即循环移位)，即在每个时隙中与长度为W的正交序列相乘后，得到W列长度为Nsc的序列，每个长度为Nsc的序列与对应的长度为Nsc的CAZAC序列(带有循环移位的)相乘，映射到一个子帧中的每个时隙中的W个承载导频(参考信号)的SC-FDMA/OFDM符号上，其中，长度为Nsc的参考信号序列中的每个符号对应一个子载波；对于本实施例，基于PUCCH format1b结构，常规CP下，W＝3，即图5和图7中每个时隙中的编号为#2、3、4的符号为承载导频的符号，扩展CP下，W＝2，即图6和图8中每个时隙中的编号为#2、3的符号为承载导频的符号；具体导频扩频和映射方式可详见现有技术PUCCH format1b的传输方式，在此不赘述；
在该子帧所对应的PUCCH format 1、format 1a、或format 1b信道资源上发送上述映射后的信号。
接收端：
步骤一：接收
在每个子帧中按照上述发送端(步骤三中)的逆过程接收Qi＝1个QPSK调制符号和导频；
将每N＝4个子帧中的QPSK调制符号进行合并(具体可以为相干合并，例如取加权平均)，得到每N＝4个子帧对应的合并后的一组Qi＝1个QPSK调制符号，其中，存在一个子帧组中仅包含2个子帧，此时，只针对该2个子帧进行相应的合并；获得多子帧联合信道估计值，具体方式同实施例一，唯一的区别在于存在一个子帧组中仅包含2个子帧，此时，只针对该2个子帧进行相应的合并，在此不赘述；使用该联合信道估计值对相应的合并后的QPSK调制符号进行信道补偿，得到该4个子帧对应的信道补偿后的一组Qi＝1个QPSK调制符号；上述行为等价为将M＝450个子帧分为
Figure PCTCN2016078319-appb-000041
组，在每个子帧组中按照上述步骤获得信道补偿后的Qi＝1个QPSK调制符号；具体包括：
a)将第1～4个子帧(即第1个子帧组，包含N1＝N＝4个子帧)中的每个子帧中接收到的Q1＝1个QPSK调制符号进行合并，并按照上述方式获得第1～4个子帧对应的联合信道估计值，使用联合信道估计值对合并后的QPSK调制符号进行信道补偿，得到第1组信道补偿后的Q1＝1个QPSK调制符号；
b)将第5～8个子帧(即第2个子帧组，包含N2＝N＝4个子帧)中的每个子帧中接收到的Q2＝1个QPSK调制符号进行合并，并按照上述方式获得第5～8个子帧对应的联合信道估计值，使用联合信道估计值对合并后的QPSK调制符号进行信道补偿，得到第2组信道补偿后的Q2＝1个QPSK调制符号；
c)以此类推，将第4*(i-1)～4*i个子帧(即第i个子帧组，包含Ni＝N＝4个子帧)中的每个子帧中接收到的Qi＝1个QPSK调制符号进行合并，并按照上述方式获得第4*(i-1)～4*i个子帧对应的联合信道估计值，使用联合信道估计值对合并后的QPSK调制符号进行信道补偿，得到第i组Qi＝1个QPSK调制符号，i＝1,2…112；
d)将第112～113个子帧(即第113个子帧组，包含N113＝MOD(450,4)＝2个子帧)中的每个子帧中接收到的Q113＝1个QPSK调制符号进行合并，并按照上述方式获得第112～113个子帧对应的联合信道估计值，使用联合信道估计值对合并后的QPSK调制符号进行信道补偿，得到第113组Q113＝1个QPSK调制符号；
需要说明的是，如果采用方法一中所述的比特分组方式，上述步骤a)、b)、c)、d)中还包括对信道补偿后的Qi＝1个QPSK调制符号进行QPSK解调，得到解调后的2比特编码信息，如果采用方法二中所述的调制符号分组方式，此处可以不进行QPSK解调，在多个子帧组数据级联后一起解调。
步骤二：级联
当采用方法一中所述的比特分组方式时：
将上述步骤一得到的
Figure PCTCN2016078319-appb-000042
组解调后的编码信息进行级联，得到长度为S＝226比特的编码后序列；
当采用方法二中所述的调制符号分组方式时：
将上述步骤一得到的
Figure PCTCN2016078319-appb-000043
组信道补偿后的QPSK调制符号进行级联，得到长度为113的QPSK调制符号序列；
对长度为113的QPSK调制符号序列进行QPSK解调，得到长度为S＝226比特的编码后序列；
步骤三：信道译码
对步骤二中得到的长度为S＝226比特的编码后序列进行解速率匹配和turbo decoding(或者卷积码译码)，得到长度为K＝72比特的译码后序列，即原传输块；
上述实施例2中，扩展CP下，在一个子帧中承载数据和承载导频的符号分配如图6所示；当最后一个符号预留用于SRS传输时(即shortened结构)，常规CP和扩展CP在一个子帧中承载数据和承载导频的符号分配分别如图7和图8所示。
实施例3：假设1个TB的大小为K＝72比特，在M＝80个子帧中传输，每N＝8个子帧一组进行多子帧信道估计，基于PUCCH format3结构进行传输，即采用QPSK调制，每 个子帧中可以传输C＝48比特编码信息(24个QPSK调制符号)，占用1个PRB进行传输，传输结构如图9所示，具体传输过程如下：
发送端：
步骤一：编码
长度为K＝72比特的传输块经过turbo coding(或者卷积编码)和速率匹配后，得到长度
Figure PCTCN2016078319-appb-000044
比特编码后序列；
步骤二：分组
方法一：对比特进行分组
将编码后序列分为
Figure PCTCN2016078319-appb-000045
组，每组包含Ki＝48比特编码后信息，例如第1～48比特为第一组，第49～96比特为第二组，以此类推，第48*(i-1)+1～48*i比特为第i组，i＝1,2…10；
对每组中的48比特信息进行QPSK调制，每组中获得Qi＝24个QPSK调制符号；
方法二：对调制符号进行分组
对上述长度为S＝480比特的编码后序列进行QPSK调制，得到240个QPSK调制符号；
将240个QPSK调制符号分为
Figure PCTCN2016078319-appb-000046
组，每组包含Qi＝24个QPSK调制符号；例如第1～24个QPSK调制符号为第一组，第25～48个QPSK调制符号为第二组，以此类推，第24*(i-1)+1～24*i个QPSK调制符号为第i组，i＝1,2…10；
步骤三：传输
依次取一组Qi＝24个QPSK调制符号，在N＝8个子帧中传输，具体包括：
取第一组Q1＝24个QPSK调制符号，在第1个子帧组中的N1个子帧中传输，例如第1个子帧组为80个子帧中的第1～8个子帧，N1＝N＝8，其中，在该子帧组中的每个子帧中，重复如下步骤传输；然后，取第二组Q2＝24个QPSK调制符号，在第2个子帧组中的N2个子帧中传输，例如第2个子帧组为80个子帧中的第9～16个子帧，N2＝N＝8，其中，在该子帧组中的每个子帧中，重复如下步骤传输；以此类推，取第i组Qi＝24个QPSK调制符号，在第i个子帧组中的Ni个子帧中传输，例如第i个子帧组为80个子帧中的第8*(i-1)～8*i个子帧,i＝1,2…10，其中，在该子帧组中的每个子帧中，重复如下步骤传输。
将该Qi＝24个QPSK调制符号映射到L个承载数据的SC-FDMA/OFDM符号上；其中，将24个QPSK调制符号中的12个QPSK调制符号(例如前12个)经过长度为
Figure PCTCN2016078319-appb-000047
的时域扩频后映射到第1个时隙的承载数据的
Figure PCTCN2016078319-appb-000048
个SC-FDMA/OFDM符号的Nsc个子载波上，即该12个调制符号与长度为
Figure PCTCN2016078319-appb-000049
的时域正交序列相乘，得到的
Figure PCTCN2016078319-appb-000050
个长度为12的调制符号序列分别映射到第一个时隙中的相应SC-FDMA/OFDM符号的Nsc个子载波上，将24个QPSK调制符号中的其余12个QPSK调制符号(例如后12个)经过长度为
Figure PCTCN2016078319-appb-000051
的时域扩频后映射到第2个时隙的承载数据的
Figure PCTCN2016078319-appb-000052
个SC-FDMA/OFDM符号的Nsc个子 载波上，即该12个调制符号与长度为
Figure PCTCN2016078319-appb-000053
的时域正交序列相乘，得到的
Figure PCTCN2016078319-appb-000054
个长度为12的调制符号序列分别映射到第二个时隙中的相应SC-FDMA/OFDM符号的Nsc个子载波上；对于本实施例，基于PUCCH format3结构，频域仅占用1个RB传输，即Nsc＝12，当采用normal方式时(即不支持最后一个符号预留传输SRS)，L＝10，即常规CP下图9中每个时隙中的编号为#0、2、3、4、6的符号为承载数据的符号，扩展CP下图10中每个时隙中的编号为#0、1、2、4、5的符号为承载数据的符号，当采用shortened方式时(即最后一个符号预留传输SRS)，L＝9，即常规CP下图11中第一个时隙中的编号为#0、2、3、4、6的符号以及第二个时隙编号为#0、2、3、4的符号为承载数据的符号，扩展CP下图12中第一个时隙中的编号为#0、1、2、4、5的符号、以及第二个时隙中编号为#0、1、2、4的符号为承载数据的符号；具体数据扩频和映射方式可详见现有技术PUCCH format3的传输方式，在此不赘述。
对每个用于传输导频的符号产生长度为Nsc的CAZAC序列作为在该符号上传输的参考信号序列，具体包括：产生导频基本序列，在每个时隙中分别经过长度为W的时域扩频和循环移位，即在每个时隙中与长度为W的正交序列相乘并分别与承载导频的SC-FDMA/OFDM符号对应的CAZAC序列(带有循环移位信息)相乘，得到W列长度为Nsc的序列分别映射到每个时隙中的W个承载导频(参考信号)的SC-FDMA/OFDM符号上，其中，长度为Nsc的参考信号序列中的每个符号对应一个子载波；对于本实施例，基于PUCCH format3结构，常规CP下，W＝2，即图9和图11中每个时隙中的编号为#1、5的符号为承载导频的符号，扩展CP下，W＝2，即图10和图12中每个时隙中的编号为#3的符号为承载导频的符号；具体导频扩频和映射方式可详见现有技术PUCCH format3的传输方式，在此不赘述；
在该子帧所对应的PUCCH format 3信道资源上发送上述映射后的信号。
接收端：
步骤一：接收
在每个子帧中按照上述发送端(步骤三中)的逆过程接收Qi＝24个QPSK调制符号和导频；
将每N＝8个子帧中的QPSK调制符号进行合并，具体可以为相干合并，例如取加权平均，得到每N＝8个子帧对应的合并后的一组Qi＝24个QPSK调制符号；获得多子帧联合信道估计值，具体方式同实施例一，唯一的区别在于此处N＝8，在此不赘述；使用该联合信道估计值对相应的合并后的QPSK调制符号进行信道补偿，得到该8个子帧对应的信道补偿后的一组Qi＝24个QPSK调制符号；上述行为等价为将M＝80个子帧分为
Figure PCTCN2016078319-appb-000055
组，在每个子帧组中按照上述步骤获得信道补偿后的Qi＝24个QPSK调制符号；具体包括：
a)将第1～8个子帧(即第1个子帧组，包含N1＝N＝8个子帧)中的每个子帧中接收 到的Q1＝24个QPSK调制符号进行合并，并按照上述方式获得第1～8个子帧对应的联合信道估计值，使用联合信道估计值对合并后的QPSK调制符号进行信道补偿，得到第1组信道补偿后的Q1＝24个QPSK调制符号；
b)将第9～16个子帧(即第2个子帧组，包含N2＝N＝8个子帧)中的每个子帧中接收到的Q2＝24个QPSK调制符号进行合并，并按照上述方式获得第9～16个子帧对应的联合信道估计值，使用联合信道估计值对合并后的QPSK调制符号进行信道补偿，得到第2组信道补偿后的Q2＝24个QPSK调制符号；
c)以此类推，将第8*(i-1)～8*i个子帧(即第i个子帧组，包含Ni＝N＝8个子帧)中的每个子帧中接收到的Qi＝24个QPSK调制符号进行合并，并按照上述方式获得第8*(i-1)～8*i个子帧对应的联合信道估计值，使用联合信道估计值对合并后的QPSK调制符号进行信道补偿，得到第i组Qi＝24个QPSK调制符号，i＝1,2…10；
需要说明的是，如果采用方法一中所述的比特分组方式，上述步骤a)、b)、c)中还包括对信道补偿后的Qi＝24个QPSK调制符号进行QPSK解调，得到解调后的48比特编码信息，如果采用方法二中所述的调制符号分组方式，此处可以不进行QPSK解调，在多个子帧组数据级联后一起解调。
步骤二：级联
当采用方法一中所述的比特分组方式时：
将上述步骤一得到的
Figure PCTCN2016078319-appb-000056
组解调后的编码信息进行级联，得到长度为S＝480比特的编码后序列；
当采用方法二中所述的调制符号分组方式时：
将上述步骤一得到的
Figure PCTCN2016078319-appb-000057
组信道补偿后的QPSK调制符号进行级联，得到长度为240的QPSK调制符号序列；
对长度为240的QPSK调制符号序列进行QPSK解调，得到长度为S＝480比特的编码后序列；
步骤三：信道译码
对步骤二中得到的长度为S＝480比特的编码后序列进行解速率匹配和turbo decoding(或者卷积码译码)，得到长度为K＝72比特的译码后序列，即原传输块；
上述实施例3中，扩展CP下，在一个子帧中承载数据和承载导频的符号分配如图10所示；当最后一个符号预留用于SRS传输时(即shortened结构)，常规CP和扩展CP在一个子帧中承载数据和承载导频的符号分配分别如图11和图12所示。
下面介绍与上述本发明实施例提供的方法相对的设备。
参见图13，本发明实施例提供的一种数据传输设备，包括：
第一单元11，用于当所述设备作为发送端时，按照对当前传输块需要占用的总的传输 子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码，得到编码后序列；
第二单元12，用于根据所述子帧组的个数以及所述编码后序列，得到多组正交调幅QAM符号；
第三单元13，用于通过所述多个子帧组将所述多组QAM符号发送给接收端，其中任一子帧组中每一子帧重复传输一组QAM符号。
较佳地，所述子帧组的个数为
Figure PCTCN2016078319-appb-000058
所述编码后序列的长度为：
Figure PCTCN2016078319-appb-000059
比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子帧数，C为每个子帧最大承载的比特数。
较佳地，所述第二单元具体用于：
将所述编码后序列按照所述子帧组的个数进行分组，得到多组编码后序列，对所述多组编码后序列分别进行QAM调制后得到多组QAM符号；或者，
将所述编码后序列进行QAM调制，将调制后序列按照所述子帧组的个数进行分组，得到多组QAM符号。
较佳地，所述第二单元进行所述QAM调制之前，还用于：对所述编码后序列进行加扰。
较佳地，所述第三单元在每个子帧中传输QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号传输。
较佳地，参见图14，当该设备作为接收端时，该设备还包括：
第四单元21，用于当所述设备作为接收端时，确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的正交调幅QAM符号，其中任一子帧组中每一子帧重复传输相同的QAM符号；
第五单元22，用于基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；
第六单元23，用于对所述编码后序列进行信道译码，得到所述传输块。
也就是说，本发明实施例中所述的数据传输设备，即具有发送端功能又具有接收端功能。
参见图14，本发明实施例提供的一种数据传输设备，包括：
第四单元21，用于当所述设备作为接收端时，确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的正交调幅QAM符号，其中任一子帧组中每一子帧重复传输相同的QAM符号；
第五单元22，用于基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得 到的编码后序列；
第六单元23，用于对所述编码后序列进行信道译码，得到所述传输块。
较佳地，所述第四单元具体用于：
对于对当前传输块占用的总的传输子帧进行分组得到的任一子帧组：
将在该子帧组中每一子帧接收到的数据符号进行子帧间合并，得到该子帧组对应的合并后的数据符号；以及，获得该子帧组对应的联合信道估计值；
使用该子帧组对应的联合信道估计值，对该子帧组对应的合并后的数据符号进行信道补偿，将得到的该子帧组对应的信道补偿后的QAM符号，确定为在该子帧组接收到的QAM符号。
较佳地，所述第五单元具体用于：
在所述每一子帧组接收到QAM符号，并对所述每一子帧组接收到的QAM符号进行解调，得到所述每一子帧组对应的编码后序列，将所述每一子帧组对应的编码后序列级联，得到发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；或者，
在所述每一子帧组接收到QAM符号，并将所述每一子帧组接收到的QAM符号级联，对级联后的QAM符号进行解调，得到发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列。
较佳地，所述第五单元进行所述解调之后，还用于：对所述编码后序列进行解扰。
较佳地，所述第四单元在每个子帧中接收QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号接收。
较佳地，所述子帧组的个数为
Figure PCTCN2016078319-appb-000060
所述编码后序列的长度为：
Figure PCTCN2016078319-appb-000061
比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子帧数，C为每个子帧最大承载的比特数。
以上数据传输设备可以是网络侧的基站也可以是终端侧的用户设备。
参见图15，在网络侧，本发明实施例提供的一种数据传输设备包括：
处理器500，用于读取存储器520中的程序，执行下列过程：
当所述设备作为发送端时，按照对当前传输块需要占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码，得到编码后序列；
根据所述子帧组的个数以及所述编码后序列，得到多组正交调幅QAM符号；
控制收发机510通过所述多个子帧组将所述多组QAM符号发送给接收端，其中任一子帧组中每一子帧重复传输一组QAM符号。
较佳地，所述子帧组的个数为
Figure PCTCN2016078319-appb-000062
所述编码后序列的长度为：
Figure PCTCN2016078319-appb-000063
比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子 帧数，C为每个子帧最大承载的比特数。
较佳地，所述处理器500将所述编码后序列按照所述子帧组的个数进行分组，得到多组编码后序列，对所述多组编码后序列分别进行QAM调制后得到多组QAM符号；或者，将所述编码后序列进行QAM调制，将调制后序列按照所述子帧组的个数进行分组，得到多组QAM符号。
较佳地，所述处理器500进行所述QAM调制之前，还用于：对所述编码后序列进行加扰。
较佳地，所述处理器500控制收发机510在每个子帧中传输QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号传输。
较佳地，参见图14，当该设备作为接收端时，处理器500还用于：
当所述设备作为接收端时，确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的正交调幅QAM符号，其中任一子帧组中每一子帧重复传输相同的QAM符号；
基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；
对所述编码后序列进行信道译码，得到所述传输块。
也就是说，本发明实施例中所述的网络侧的数据传输设备，即具有发送端功能又具有接收端功能。
收发机510，用于在处理器500的控制下接收和发送数据。
其中，在图15中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器500代表的一个或多个处理器和存储器520代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机510可以是多个元件，即包括发送机和收发机，提供用于在传输介质上与各种其他装置通信的单元。处理器500负责管理总线架构和通常的处理，存储器520可以存储处理器500在执行操作时所使用的数据。
参见图16，在终端侧，本发明实施例提供的一种数据传输设备包括：
处理器600，用于读取存储器620中的程序，执行下列过程：
当所述设备作为接收端时，确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的正交调幅QAM符号，其中任一子帧组中每一子帧重复传输相同的QAM符号；
基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的 传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；
对所述编码后序列进行信道译码，得到所述传输块。
较佳地，处理器600对于对当前传输块占用的总的传输子帧进行分组得到的任一子帧组：
将在该子帧组中每一子帧接收到的数据符号进行子帧间合并，得到该子帧组对应的合并后的数据符号；以及，获得该子帧组对应的联合信道估计值；
使用该子帧组对应的联合信道估计值，对该子帧组对应的合并后的数据符号进行信道补偿，将得到的该子帧组对应的信道补偿后的QAM符号，确定为在该子帧组接收到的QAM符号。
较佳地，所述处理器600在所述每一子帧组接收到QAM符号，并对所述每一子帧组接收到的QAM符号进行解调，得到所述每一子帧组对应的编码后序列，将所述每一子帧组对应的编码后序列级联，得到发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；或者，在所述每一子帧组接收到QAM符号，并将所述每一子帧组接收到的QAM符号级联，对级联后的QAM符号进行解调，得到发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列。
较佳地，所述处理器600进行所述解调之后，还用于：对所述编码后序列进行解扰。
较佳地，所述处理器600在每个子帧中接收QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号接收。
较佳地，所述子帧组的个数为
Figure PCTCN2016078319-appb-000064
所述编码后序列的长度为：
Figure PCTCN2016078319-appb-000065
比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子帧数，C为每个子帧最大承载的比特数。
当该终端侧设备作为发送端时，处理器600还用于：
按照对当前传输块需要占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码，得到编码后序列；
根据所述子帧组的个数以及所述编码后序列，得到多组正交调幅QAM符号；
控制收发机610通过所述多个子帧组将所述多组QAM符号发送给接收端，其中任一子帧组中每一子帧重复传输一组QAM符号。
较佳地，所述子帧组的个数为
Figure PCTCN2016078319-appb-000066
所述编码后序列的长度为：
Figure PCTCN2016078319-appb-000067
比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子帧数，C为每个子帧最大承载的比特数。
较佳地，所述处理器600根据所述子帧组的个数以及所述编码后序列，得到多组QAM符号时，具体用于：
将所述编码后序列按照所述子帧组的个数进行分组，得到多组编码后序列，对所述多组编码后序列分别进行QAM调制后得到多组QAM符号；或者，
将所述编码后序列进行QAM调制，将调制后序列按照所述子帧组的个数进行分组，得到多组QAM符号。
较佳地，进行所述QAM调制之前，该方法还包括：对所述编码后序列进行加扰。
较佳地，在每个子帧中传输QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号传输。
收发机610，用于在处理器600的控制下接收和发送数据。
即本发明实施例提供的终端侧的数据传输设备即具有发送端功能又具有接收端功能。
其中，在图16中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器600代表的一个或多个处理器和存储器620代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机610可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。针对不同的用户设备，用户接口630还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器600负责管理总线架构和通常的处理，存储器620可以存储处理器600在执行操作时所使用的数据。
综上所述，本发明实施例中，TB按照子帧组的个数计算出的编码后比特数进行信道编码和速率匹配，以保证参与多子帧信道估计的同一组子帧中的每个子帧中传输相同的数据信息，在M个子帧中通过PUCCH传输的数据传输结构。本发明实施例提供了一种新是数据传输结构，在采用多子帧联合信道估计时，基于该传输结构可实现多子帧信号的相干合并，提高了在发送端和接收端存在频率偏差时的解调性能。
本领域内的技术人员应明白，本发明的实施例可提供为方法、系统、或计算机程序产品。因此，本发明可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本发明是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用 于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本发明的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。
显然，本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明实施例的精神和范围。这样，倘若本发明实施例的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (23)

  1. 一种数据传输方法，其特征在于，该方法包括：
    发送端按照对当前传输块需要占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码，得到编码后序列；
    所述发送端根据所述子帧组的个数以及所述编码后序列，得到多组正交调幅QAM符号；
    所述发送端通过所述多个子帧组将所述多组QAM符号发送给接收端，其中任一子帧组中每一子帧重复传输一组QAM符号。
  2. 根据权利要求1所述的方法，其特征在于，所述子帧组的个数为
    Figure PCTCN2016078319-appb-100001
    所述编码后序列的长度为：
    Figure PCTCN2016078319-appb-100002
    比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子帧数，C为每个子帧最大承载的比特数。
  3. 根据权利要求1所述的方法，其特征在于，所述发送端根据所述子帧组的个数以及所述编码后序列，得到多组QAM符号，包括：
    所述发送端将所述编码后序列按照所述子帧组的个数进行分组，得到多组编码后序列，对所述多组编码后序列分别进行QAM调制后得到多组QAM符号；或者，
    所述发送端将所述编码后序列进行QAM调制，将调制后序列按照所述子帧组的个数进行分组，得到多组QAM符号。
  4. 根据权利要求3所述的方法，其特征在于，进行所述QAM调制之前，该方法还包括：对所述编码后序列进行加扰。
  5. 根据权利要求1所述的方法，其特征在于，在每个子帧中传输QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号传输。
  6. 一种数据传输方法，其特征在于，该方法包括：
    接收端确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的正交调幅QAM符号，其中任一子帧组中每一子帧重复传输相同的QAM符号；
    所述接收端基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；
    所述接收端对所述编码后序列进行信道译码，得到所述传输块。
  7. 根据权利要求6所述的方法，其特征在于，所述接收端确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的QAM符号，包括：
    对于对当前传输块占用的总的传输子帧进行分组得到的任一子帧组：
    所述接收端将在该子帧组中每一子帧接收到的数据符号进行子帧间合并，得到该子帧 组对应的合并后的数据符号；以及，获得该子帧组对应的联合信道估计值；
    所述接收端使用该子帧组对应的联合信道估计值，对该子帧组对应的合并后的数据符号进行信道补偿，将得到的该子帧组对应的信道补偿后的QAM符号，确定为在该子帧组接收到的QAM符号。
  8. 根据权利要求6所述的方法，其特征在于，所述接收端基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列，包括：
    所述接收端在所述每一子帧组接收到QAM符号，并对所述每一子帧组接收到的QAM符号进行解调，得到所述每一子帧组对应的编码后序列，将所述每一子帧组对应的编码后序列级联，得到发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；或者，
    所述接收端在所述每一子帧组接收到QAM符号，并将所述每一子帧组接收到的QAM符号级联，对级联后的QAM符号进行解调，得到发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列。
  9. 根据权利要求8所述的方法，其特征在于，进行所述解调之后，该方法还包括：对所述编码后序列进行解扰。
  10. 根据权利要求6所述的方法，其特征在于，在每个子帧中接收QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号接收。
  11. 根据权利要求6所述的方法，其特征在于，所述子帧组的个数为
    Figure PCTCN2016078319-appb-100003
    所述编码后序列的长度为：
    Figure PCTCN2016078319-appb-100004
    比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子帧数，C为每个子帧最大承载的比特数。
  12. 一种数据传输设备，其特征在于，包括：
    第一单元，用于当所述设备作为发送端时，按照对当前传输块需要占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码，得到编码后序列；
    第二单元，用于根据所述子帧组的个数以及所述编码后序列，得到多组正交调幅QAM符号；
    第三单元，用于通过所述多个子帧组将所述多组QAM符号发送给接收端，其中任一子帧组中每一子帧重复传输一组QAM符号。
  13. 根据权利要求12所述的设备，其特征在于，所述子帧组的个数为
    Figure PCTCN2016078319-appb-100005
    所述编码后序列的长度为：
    Figure PCTCN2016078319-appb-100006
    比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子帧数，C为每个子帧最大承载的比特数。
  14. 根据权利要求12所述的设备，其特征在于，所述第二单元具体用于：
    将所述编码后序列按照所述子帧组的个数进行分组，得到多组编码后序列，对所述多组编码后序列分别进行QAM调制后得到多组QAM符号；或者，
    将所述编码后序列进行QAM调制，将调制后序列按照所述子帧组的个数进行分组，得到多组QAM符号。
  15. 根据权利要求14所述的设备，其特征在于，所述第二单元进行所述QAM调制之前，还用于：对所述编码后序列进行加扰。
  16. 根据权利要求12所述的设备，其特征在于，所述第三单元在每个子帧中传输QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号传输。
  17. 根据权利要求12-16任一权项所述的设备，其特征在于，还包括：
    第四单元，用于当所述设备作为接收端时，确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的正交调幅QAM符号，其中任一子帧组中每一子帧重复传输相同的QAM符号；
    第五单元，用于基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；
    第六单元，用于对所述编码后序列进行信道译码，得到所述传输块。
  18. 一种数据传输设备，其特征在于，包括：
    第四单元，用于当所述设备作为接收端时，确定在对当前传输块占用的总的传输子帧进行分组得到的每一子帧组接收到的正交调幅QAM符号，其中任一子帧组中每一子帧重复传输相同的QAM符号；
    第五单元，用于基于所述每一子帧组接收到的QAM符号，确定发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；
    第六单元，用于对所述编码后序列进行信道译码，得到所述传输块。
  19. 根据权利要求18所述的设备，其特征在于，所述第四单元具体用于：
    对于对当前传输块占用的总的传输子帧进行分组得到的任一子帧组：
    将在该子帧组中每一子帧接收到的数据符号进行子帧间合并，得到该子帧组对应的合并后的数据符号；以及，获得该子帧组对应的联合信道估计值；
    使用该子帧组对应的联合信道估计值，对该子帧组对应的合并后的数据符号进行信道补偿，将得到的该子帧组对应的信道补偿后的QAM符号，确定为在该子帧组接收到的QAM符号。
  20. 根据权利要求18所述的设备，其特征在于，所述第五单元具体用于：
    在所述每一子帧组接收到QAM符号，并对所述每一子帧组接收到的QAM符号进行解调，得到所述每一子帧组对应的编码后序列，将所述每一子帧组对应的编码后序列级联，得到发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列；或者，
    在所述每一子帧组接收到QAM符号，并将所述每一子帧组接收到的QAM符号级联，对级联后的QAM符号进行解调，得到发送端按照对所述传输块占用的总的传输子帧进行分组得到的子帧组的个数，对所述传输块进行信道编码得到的编码后序列。
  21. 根据权利要求20所述的设备，其特征在于，所述第五单元进行所述解调之后，还用于：对所述编码后序列进行解扰。
  22. 根据权利要求18所述的设备，其特征在于，所述第四单元在每个子帧中接收QAM符号时，采用一种物理上行控制信道PUCCH格式，在所述PUCCH格式所对应的传输资源进行QAM符号接收。
  23. 根据权利要求18所述的设备，其特征在于，所述子帧组的个数为
    Figure PCTCN2016078319-appb-100007
    所述编码后序列的长度为：
    Figure PCTCN2016078319-appb-100008
    比特，其中，M为所述传输块需要占用的总的传输子帧数，N为参与跨子帧信道估计的子帧数，C为每个子帧最大承载的比特数。
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