CN106134271A - A kind of apparatus and method of data transmission - Google Patents

A kind of apparatus and method of data transmission Download PDF

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Publication number
CN106134271A
CN106134271A CN201480037910.5A CN201480037910A CN106134271A CN 106134271 A CN106134271 A CN 106134271A CN 201480037910 A CN201480037910 A CN 201480037910A CN 106134271 A CN106134271 A CN 106134271A
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data
frame
wireless sub
size
redundancy versions
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CN106134271B (en
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吴强
周永行
刘建琴
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

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

Abstract

Embodiments providing the apparatus and method of a kind of data transmission, relate to Internet of Things field, described method includes: encodes the first data waiting for transmission, obtains the second data；Determine the multiple wireless sub-frames transmitted needed for described second data, and the size of data that each wireless sub-frame in the plurality of wireless sub-frame can carry；The size of data that size of data according to described second data and described each wireless sub-frame can carry, selecting the 3rd data of transmission on described each wireless sub-frame from described second data, on described each wireless sub-frame, the size of data of the 3rd data of transmission is identical with the size of data that described each wireless sub-frame can carry；Described 3rd data are transmitted respectively on described each wireless sub-frame.This device includes: coding module, determines module, selects module and transport module.Present invention reduces code rate, improve coding gain.

Description

A kind of apparatus and method of data transfer Technical field
The present invention relates to move Internet of Things field, more particularly to a kind of apparatus and method of data transfer.
Background technology
In 3GPP (3rd Generation Partnership Project, third generation partner program) LTE (Long Term Evolution, Long Term Evolution) or LTE-A (LTE-advanced, the senior evolution of LTE) in system, terminal is required for transmitting data to base station, is interacted with realizing with base station.
Current terminal can press method to transmit data to base station, including：Terminal selects redundancy versions from redundancy versions set, obtain the corresponding original position of the redundancy versions, according to the original position, 288 bit datas are selected from data waiting for transmission (each wireless sub-frame can carry 288 bit datas), 288 bit datas of selection are carried on wireless sub-frame, then wireless sub-frame is carried on a resource block, the resource block is sent to base station, to complete the process of data transfer.
Wherein, redundancy versions set includes 4 kinds of redundancy versions, respectively redundancy versions 0,1,2,3, and redundancy versions 0,1,2,3 corresponding original positions are as shown in Figure 1.
During the present invention is realized, inventor has found that prior art at least has problems with：
Due to there was only four kinds of redundancy versions in redundancy versions set, and the original position of the corresponding data selection of every kind of redundancy versions is fixed, therefore, no matter how many times are transmitted, always some data can not be transmitted in data waiting for transmission, so as to cause a part of data in data waiting for transmission to be dropped, cause code check very high, it is impossible to obtain coding gain.
The content of the invention
In order to solve problem of the prior art, the embodiments of the invention provide a kind of apparatus and method of data transfer.The technical scheme is as follows：
In a first aspect, the invention provides a kind of device of data transfer, described device includes：
Coding module, for being encoded to the first data waiting for transmission, obtains the second data；
Determining module, for determining multiple wireless sub-frames needed for transmission second data, and the size of data that each wireless sub-frame in the multiple wireless sub-frame can be carried；
Selecting module, the size of data that can be carried for the size of data according to second data and each wireless sub-frame, select the size of data of the 3rd data transmitted on the 3rd data transmitted on each wireless sub-frame, each wireless sub-frame identical with the size of data that each wireless sub-frame can be carried from second data；
Transport module, for transmitting the 3rd data on each wireless sub-frame respectively.
With reference in a first aspect, in the first possible implementation of first aspect, the selecting module, including：
First acquisition unit, for the size of data according to second data, obtains the original position of the data selection of each wireless sub-frame；
First choice unit, the size of data that original position and each wireless sub-frame for being selected according to the data of each wireless sub-frame can be carried, selects the 3rd data transmitted on each wireless sub-frame from second data.
The first with reference to first aspect is possible, in second of possible implementation of first aspect, the first acquisition unit, including：
First computation subunit, the size of data that can be carried for the size of data according to second data and each wireless sub-frame calculates the redundancy versions number needed for transmission second data；
Subelement is obtained, for according to the redundancy versions number, obtaining the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame；
Second computation subunit, the redundancy versions sequence number for the 3rd data transmitted on the size of data according to second data, redundancy versions number and each wireless sub-frame calculates the original position of the data selection of each wireless sub-frame.
Second with reference to first aspect may, in the third possible implementation of first aspect, second computation subunit, for the line number of the interleaver used in the size of data according to second data and second data, calculates the columns of the interleaver；The original position selected according to the redundancy versions sequence number for the 3rd data transmitted on the columns of the interleaver, the size of data of second data, the redundancy versions number and each wireless sub-frame, the data for calculating each wireless sub-frame by equation below (1) respectively：
Wherein, the original position that k0 selects for the data of each wireless sub-frame,For the columns of the interleaver, NcbFor the size of data of second data, RVnumFor the redundancy versions number, rvindex For the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame.
Second with reference to first aspect is possible, in the 4th kind of possible implementation of first aspect, first computation subunit, the ratio for calculating the size of data that the size of data of second data can be carried with each wireless sub-frame；To be rounded on the ratio or under round the redundancy versions number being used as needed for transmission second data.
Second with reference to first aspect is possible, in the 5th kind of possible implementation of first aspect, the acquisition subelement, the System Frame Number for obtaining each wireless sub-frame；According to the System Frame Number of each wireless sub-frame and the redundancy versions number, the redundancy versions sequence number of each wireless sub-frame is calculated.
With reference to the 5th kind of possibility of first aspect, in the 6th kind of possible implementation of first aspect, the acquisition subelement, for the System Frame Number according to each wireless sub-frame and the redundancy versions number, the redundancy versions sequence number of each wireless sub-frame is calculated by equation below (2)：
rvindex=NTTImod RVnum；(2)
Wherein, rvindexFor the redundancy versions sequence number of each wireless sub-frame, RVnumFor the redundancy versions number, NTTIFor the System Frame Number of each wireless sub-frame.
With reference in a first aspect, in the 7th kind of possible implementation of first aspect, the selecting module, including：
Second acquisition unit, for the size of data according to second data, obtains the original position of the data selection of each wireless sub-frame；
Second selecting unit, for selecting an original position in the original position that is selected from the data of each wireless sub-frame；
3rd selecting unit, the size of data that can be carried for the original position according to the selection and each wireless sub-frame, the 3rd data that continuous circulation selection is transmitted on each wireless sub-frame from second data.
Second aspect, the invention provides a kind of method of data transfer, methods described includes：
First data waiting for transmission are encoded, the second data are obtained；
It is determined that multiple wireless sub-frames needed for second data are transmitted, and the size of data that each wireless sub-frame in the multiple wireless sub-frame can be carried；
The size of data that can be carried according to the size of data of second data and each wireless sub-frame, selects the 3rd data transmitted on each wireless sub-frame from second data, described each wireless The size of data for the 3rd data transmitted in subframe is identical with the size of data that each wireless sub-frame can be carried；
The 3rd data are transmitted on each wireless sub-frame respectively.
With reference to second aspect, in the first possible implementation of second aspect, the size of data that the size of data and each wireless sub-frame according to second data can be carried, selects the 3rd data transmitted on each wireless sub-frame from second data, including：
According to the size of data of second data, the original position of the data selection of each wireless sub-frame is obtained；
The size of data that the original position and each wireless sub-frame selected according to the data of each wireless sub-frame can be carried, selects the 3rd data transmitted on each wireless sub-frame from second data.
The first with reference to second aspect is possible, in second of possible implementation of second aspect, the size of data according to second data, obtains the original position of the data selection of each wireless sub-frame, including：
The size of data that can be carried according to the size of data of second data and each wireless sub-frame, calculates the redundancy versions number needed for transmission second data；
According to the redundancy versions number, the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame is obtained；
According to the redundancy versions sequence number for the 3rd data transmitted in the size of data, redundancy versions number and each wireless sub-frame of second data, the original position of the data selection of each wireless sub-frame is calculated.
Second with reference to second aspect may, in the third possible implementation of second aspect, the redundancy versions sequence number for the 3rd data transmitted in the size of data, redundancy versions number and each wireless sub-frame according to second data, the original position of the data selection of each wireless sub-frame is calculated, including：
The line number of interleaver according to used in the size of data of second data and second data, calculates the columns of the interleaver；
The original position selected according to the redundancy versions sequence number for the 3rd data transmitted on the columns of the interleaver, the size of data of second data, the redundancy versions number and each wireless sub-frame, the data for calculating each wireless sub-frame by equation below (1) respectively：
Wherein, the original position that k0 selects for the data of each wireless sub-frame,Interweave to be described The columns of device, NcbFor the size of data of second data, RVnumFor the redundancy versions number, rvindexFor the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame.
Second with reference to second aspect may, in the 4th kind of possible implementation of second aspect, the size of data that the size of data and each wireless sub-frame according to second data can be carried, calculates the redundancy versions number needed for transmission second data, including：
The ratio for the size of data that the size of data and each wireless sub-frame for calculating second data can be carried；
To be rounded on the ratio or under round the redundancy versions number being used as needed for transmission second data.
With reference to second of second aspect may, in the 5th kind of possible implementation of second aspect, the redundancy versions sequence number that each wireless sub-frame is obtained according to the redundancy versions number, including：
Obtain the System Frame Number of each wireless sub-frame；
According to the System Frame Number of each wireless sub-frame and the redundancy versions number, the redundancy versions sequence number of each wireless sub-frame is calculated.
With reference to the 5th kind of possibility of second aspect, in the 6th kind of possible implementation of second aspect, the System Frame Number and the redundancy versions number according to each wireless sub-frame calculates the redundancy versions sequence number of each wireless sub-frame, including：
According to the System Frame Number of each wireless sub-frame and the redundancy versions number, the redundancy versions sequence number of each wireless sub-frame is calculated by equation below (2)：
rvindex=NTTImod RVnum；(2)
Wherein, rvindexFor the redundancy versions sequence number of each wireless sub-frame, RVnumFor the redundancy versions number, NTTIFor the System Frame Number of each wireless sub-frame.
With reference to second aspect, in the 7th kind of possible implementation of second aspect, the size of data that the size of data and each wireless sub-frame according to second data can be carried, selects the 3rd data transmitted on each wireless sub-frame from second data, including：
According to the size of data of second data, the original position of the data selection of each wireless sub-frame is obtained；
An original position is selected in the original position selected from the data of each wireless sub-frame；
The size of data that can be carried according to the original position of the selection and each wireless sub-frame, the 3rd data that continuous circulation selection is transmitted on each wireless sub-frame from second data.
The third aspect, the invention provides a kind of device of data transfer, described device includes：Processor and transmitter；
The processor, for being encoded to the first data waiting for transmission, obtains the second data；
The processor, is additionally operable to determine multiple wireless sub-frames needed for transmission second data, and the size of data that each wireless sub-frame in the multiple wireless sub-frame can be carried；
The processor, it is additionally operable to the size of data that can be carried according to the size of data and each wireless sub-frame of second data, select the size of data of the 3rd data transmitted on the 3rd data transmitted on each wireless sub-frame, each wireless sub-frame identical with the size of data that each wireless sub-frame can be carried from second data；
The transmitter, is additionally operable to transmit the 3rd data on each wireless sub-frame respectively.
With reference to the third aspect, in the first possible implementation of the third aspect, the processor is additionally operable to the size of data according to second data, obtains the original position of the data selection of each wireless sub-frame；
The processor, is additionally operable to the size of data that original position and each wireless sub-frame can be carried selected according to the data of each wireless sub-frame, the 3rd data transmitted on each wireless sub-frame is selected from second data.
The first with reference to the third aspect may, in second of possible implementation of the third aspect, the processor, is additionally operable to the size of data that can be carried according to the size of data and each wireless sub-frame of second data, calculates the redundancy versions number needed for transmission second data；
The processor, is additionally operable to obtain the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame according to the redundancy versions number；
The processor, is additionally operable to the redundancy versions sequence number of the 3rd data transmitted in size of data, redundancy versions number and each wireless sub-frame according to second data, calculates the original position of the data selection of each wireless sub-frame.
Second with reference to the third aspect is possible, and in the third possible implementation of the third aspect, the processor, the line number for the interleaver being additionally operable to according to used in the size of data and second data of second data calculates the columns of the interleaver；
The processor, the redundancy versions sequence number of the 3rd data transmitted on the columns according to the interleaver, the size of data of second data, the redundancy versions number and each wireless sub-frame is additionally operable to, the original position that the data for calculating each wireless sub-frame by equation below (1) respectively are selected：
Wherein, the original position that k0 selects for the data of each wireless sub-frame,For the columns of the interleaver, NcbFor the size of data of second data, RVnumFor the redundancy versions number, rvindexFor the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame.
Second with reference to the third aspect is possible, in the 4th kind of possible implementation of the third aspect, the processor, is additionally operable to calculate the ratio for the size of data that the size of data and each wireless sub-frame of second data can be carried；
The processor, be additionally operable to round on the ratio or under round the redundancy versions number being used as needed for transmission second data.
Second with reference to the third aspect is possible, and in the 5th kind of possible implementation of the third aspect, the processor is additionally operable to obtain the System Frame Number of each wireless sub-frame；
The processor, is additionally operable to the System Frame Number and the redundancy versions number according to each wireless sub-frame, calculates the redundancy versions sequence number of each wireless sub-frame.
With reference to the 5th kind of possibility of the third aspect, in the 6th kind of possible implementation of the third aspect, the processor, the System Frame Number and the redundancy versions number according to each wireless sub-frame are additionally operable to, the redundancy versions sequence number of each wireless sub-frame is calculated by equation below (2)：
rvindex=NTTImod RVnum；(2)
Wherein, rvindexFor the redundancy versions sequence number of each wireless sub-frame, RVnumFor the redundancy versions number, NTTIFor the System Frame Number of each wireless sub-frame.
With reference to the third aspect, in the 7th kind of possible implementation of the third aspect, the processor is additionally operable to the size of data according to second data, obtains the original position of the data selection of each wireless sub-frame；
The processor, is additionally operable to select an original position from the original position of the data selection of each wireless sub-frame；
The processor, is additionally operable to the size of data that can be carried according to the original position and each wireless sub-frame of the selection, the 3rd data that continuous circulation selection is transmitted on each wireless sub-frame from second data.
The beneficial effect of technical scheme provided in an embodiment of the present invention is：First data waiting for transmission are encoded, the second data are obtained；It is determined that multiple wireless sub-frames needed for the second data of transmission, and multiple wireless sons The size of data that each wireless sub-frame in frame can be carried；The size of data that can be carried according to the size of data of the second data and each wireless sub-frame, the size of data that the wireless sub-frame for selecting the size of data for the 3rd data transmitted on the 3rd data transmitted on each wireless sub-frame, each wireless sub-frame corresponding from the second data can be carried is identical；The 3rd data are transmitted on each wireless sub-frame respectively.Because the present invention is the size of data that can be carried according to the size of data and each wireless sub-frame of the second data, the 3rd data transmitted on each wireless sub-frame are selected from the second data, so as to transmit whole information bits, code rate is reduced, coding gain is improved.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, the accompanying drawing used required in being described below to embodiment is briefly described, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the original position for the data selection that background of invention is provided；
Fig. 2 is a kind of apparatus structure schematic diagram for data transfer that the embodiment of the present invention 1 is provided；
Fig. 3 is a kind of method flow diagram for data transfer that the embodiment of the present invention 2 is provided；
Fig. 4 is a kind of method flow diagram for data transfer that the embodiment of the present invention 3 is provided；
Fig. 5 is a kind of apparatus structure schematic diagram for data transfer that the embodiment of the present invention 4 is provided.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
Referring to Fig. 2, the embodiments of the invention provide a kind of device of data transfer, the device can be terminal or base station, and the device includes：Coding module 101, determining module 102, selecting module 103 and transport module 104.
Coding module 101, for being encoded to the first data waiting for transmission, obtains the second data；
When terminal will to base station transmit data when, or base station to terminal transmission data when, coding module 101 obtains data waiting for transmission, it regard data waiting for transmission as the first data, in order to improve the antijamming capability of the first data, the first data are encoded, the second data are obtained.
Coding module 101 can be encoded to the first data waiting for transmission using any coded system, and such as carrying out Turbo2/3 or Turbo1/3 to the first data waiting for transmission encodes, and obtains the second data.
For example, the size of data of the first data waiting for transmission is 1000, then Turbo1/3 codings is carried out to the first data, obtain the second data, then the size of data of the second data is 3000.
The detailed process that first data are carried out with Turbo1/3 codings is prior art, is no longer described in detail herein.
Determining module 102, for determining multiple wireless sub-frames needed for the second data of transmission, and the size of data that each wireless sub-frame in multiple wireless sub-frames can be carried；
When terminal to base station transmit the second data when, or, when base station is to the second data of terminal transmission, determining module determine transmission the second data needed for multiple wireless sub-frames, then it is determined that wireless sub-frame on transmit the second data.
Wherein it is determined that module determines that the process for the size of data that each wireless sub-frame in multiple wireless sub-frames can be carried is as follows：
For each wireless sub-frame, it is that the resource that a transmission block can occupy on this wireless sub-frame is illustrated in bit levels that by the transmission of a transmission block, the number of available bit, which is expressed as G, i.e. G, altogether, in embodiments of the present invention, G=288.
Make G`=G/ (NL*Qm), NLIt is equal to 2, in the case of other, N when using transmission diversityLEqual to one transmission block is mapped to the number of layer, namely NLEqual to 1.When the modulation system used is QPSK, Qm=2；When the modulation system used is 16QAM, Qm=4；When the modulation system used is 64QAM, Qm=6.
Make y=G`modC, C is the number of code block, the number of code block is relevant with the size of data of the first data, if the size of data of the first data is in the range of 0-6144, C=1, if the size of data of the first data is in the range of 6145-12289, C=2, if the size of data of the first data is in the range of 12290-184334, C=3, by that analogy.
Make Er=NL*Qm* y, ErThe size of data that can be carried on the wireless sub-frame is represented, namely is that wireless sub-frame selection size of data is E every timer。
For example, G=288, NL=1, the modulation system that the present invention is used is QPSK, namely Qm=2, then G`=G/ (NL*Qm)=144, the size of data of the first data for 1000,1000 in the range of 0-6144, then C=1；Then y=G`modC=144, Er=NL*Qm* the size of data that can be carried on y=1*2*144=288, the i.e. wireless sub-frame is 288 bits, namely the size of data of selection data is 288 bits every time.
It should be noted that each wireless sub-frame calculates what can be carried on the wireless sub-frame by the above process The size of data that can be carried in size of data, and each wireless sub-frame may be identical, it is also possible to different.
Selecting module 103, the size of data that can be carried for the size of data according to the second data and each wireless sub-frame, select the size of data of the 3rd data transmitted on the 3rd data transmitted on each wireless sub-frame, each wireless sub-frame identical with the size of data that each wireless sub-frame can be carried from the second data；
Wherein, selecting module 103, including：First acquisition unit and first choice unit.
First acquisition unit, for the size of data according to the second data, obtains the original position of the data selection of each wireless sub-frame；
When transmitting the second data, by the second Deta bearer on wireless sub-frame, therefore, need the original position selected by the data that first acquisition unit obtains each wireless sub-frame, the original position selected according to the data of each wireless sub-frame, selection is carried on the 3rd data on the wireless sub-frame from the second data.
Wherein, first acquisition unit, including：First computation subunit, obtains subelement and the second computation subunit,.
First computation subunit, the size of data that can be carried for the size of data according to the second data and each wireless sub-frame calculates the redundancy versions number needed for the second data of transmission；
First computation subunit, the ratio for calculating the size of data that the size of data of the second data can be carried with each wireless sub-frame；Will be rounded on the ratio or under round be used as transmission the second data needed for redundancy versions number.
If the ratio is integer, the first computation subunit is directly using the redundancy versions number needed for the ratio as the second data of transmission；If the ratio is non-integer, the integer part of the ratio is added one and is used as the redundancy versions number needed for the second data of transmission by the first computation subunit；If the ratio is non-integer, the integer part of the ratio can also be subtracted one and be used as the redundancy versions number needed for the second data of transmission.
For example, the size of data of second data is 3000 bits, the size of data that each wireless sub-frame can be carried is 288 bits, then 3000 and 288 ratio is 10.4,10.4 integer part be 10, in embodiments of the present invention using 10 Jia 1 namely 11 as transmit the second data needed for redundancy versions number RVnum。
Wherein, the original position of every kind of one data selection of redundancy versions correspondence.
Subelement is obtained, for according to redundancy versions number, obtaining the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame；
When transmitting the second data, redundancy versions are selected from redundancy versions set, the original position of each one data selection of redundancy versions correspondence, obtain the original position of the corresponding data selection of redundancy versions of selection, according to the original position, the 3rd data transmitted on each wireless sub-frame are selected from the second data.Accordingly, it would be desirable to obtain the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame.
Wherein, the span of the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame is 0~redundancy versions number -1.
Wherein, subelement is obtained, is additionally operable to obtain the System Frame Number of each wireless sub-frame；According to the System Frame Number of each wireless sub-frame and redundancy versions number, the redundancy versions sequence number of each wireless sub-frame is calculated.
Wherein, subelement is obtained, the System Frame Number and redundancy versions number according to each wireless sub-frame is additionally operable to, the redundancy versions sequence number of each wireless sub-frame is calculated by equation below (2)：
rvindex=NTTImod RVnum；(2)
Wherein, rvindexFor the redundancy versions sequence number of each wireless sub-frame, RVnumFor redundancy versions number, NTTIFor the System Frame Number of each wireless sub-frame.
For example, the System Frame Number of current wireless sub-frame is 23, then 23 and 11 remainder is 1, then the redundancy versions serial number 1 of current wireless sub-frame.
In this step, redundancy versions sequence number can also be selected from redundancy versions set according to the number of times for sending wireless sub-frame.For example, when sending the second data for the first time, wireless sub-frame selection redundancy versions 0, during second of the second data of transmission, wireless sub-frame selection redundancy versions 1, RVnumDuring the second data of secondary transmission, wireless sub-frame selection redundancy versions RVnum- 1, RVnumDuring+1 the second data of transmission, wireless sub-frame selection redundancy versions 0 are circulated successively.
Wherein, the second computation subunit, the redundancy versions sequence number for the 3rd data transmitted on the size of data according to the second data, redundancy versions number and each wireless sub-frame calculates the original position of the data selection of each wireless sub-frame.
Second computation subunit, specifically for the line number of the interleaver used in the size of data according to the second data and the second data, calculates the columns of interleaver；The original position selected according to the redundancy versions sequence number for the 3rd data transmitted on the columns of interleaver, the size of data of the second data, redundancy versions number and each wireless sub-frame, the data for calculating each wireless sub-frame by equation below (1) respectively：
Wherein, the line number of interleaver is fixed value 32, and the columns of interleaver is configured according to the size of data of the first data, and the size of data+4 of columns the first data of satisfaction of interleaver<The minimum value of=(the line number * columns of interleaver).
For example, the size of data of the first data is 1000, then 1000+4<=(columns of 32* interleavers), then it is 32 to calculate and obtain the columns of interleaver.The size of data N of second datacbFor 3000, redundancy versions number Mesh RVnumFor 11, the redundancy versions sequence number rv of each wireless sub-frameindexRespectively 0,1,2,3,4,5,6,7,8,9,10, then the original position that the data selection for obtaining each wireless sub-frame is calculated by above formula is respectively 64,336,609,882,1154,1427,1699,1972,2245,2517,2790.
First choice unit, the size of data that original position and each wireless sub-frame for being selected according to the data of each wireless sub-frame can be carried, selects the 3rd data transmitted on each wireless sub-frame from the second data.
Wherein, the size of data for the 3rd data transmitted on each wireless sub-frame is identical with the size of data that the wireless sub-frame can be carried.
First choice unit, for the original position selected according to the data of each wireless sub-frame, since the second data the original position of the data selection of the wireless sub-frame, selects the 3rd data of the size of data that the wireless sub-frame can carry.
For example, the size of data that each wireless sub-frame can be carried is identical, is all 288 bits, then the bit of original position 64 selected according to the data of first wireless sub-frame, 288 bit datas, namely first wireless sub-frame selection 64-351 bit data are selected at 64 bits in the second data；The bit of original position 336 selected according to the data of second wireless sub-frame, since the second data at 336 bits select 288 bit datas, namely second wireless sub-frame selection 336-623 bit data；The bit of original position 609 selected according to the data of the 3rd wireless sub-frame, since the second data at 609 bits select 288 bit datas, namely the 3rd wireless sub-frame selection 609-896 bit data；The original position 882 selected according to the data of the 4th wireless sub-frame, 882 since the second data at select 288 bit datas, namely the 4th wireless sub-frame selection 882-1169 bit data；The original position 1154 selected according to the data of the 5th wireless sub-frame, 1154 since the second data at select 288 bit datas, namely the 5th wireless sub-frame selection 1154-1441 bit data；The original position 1427 selected according to the data of the 6th wireless sub-frame, 1427 since the second data at select 288 bit datas, namely the 6th wireless sub-frame selection 1427-1714 bit data；The original position 1699 selected according to the data of the 7th wireless sub-frame, 1699 since the second data at select 288 bit datas, namely the 7th wireless sub-frame selection 1699-1986 bit data；The original position 1972 selected according to the data of the 8th wireless sub-frame, 1972 since the second data at select 288 bit datas, namely the 8th wireless sub-frame selection 1972-2259 bit data；The original position 2245 selected according to the data of the 9th wireless sub-frame, 2245 since the second data at select 288 bit datas, namely the 9th wireless sub-frame selection 2245-2532 bit data；The original position 2517 selected according to the data of the tenth wireless sub-frame, 2517 since the second data at select 288 bit datas, namely the tenth wireless sub-frame selection 2517-2804 bit data；According to the tenth The original position 2790 of the data selection of one wireless sub-frame, 288 bit datas are selected at 2790 since the second data, because the size of data of the second data is 3000,2790-2999 bit datas are then selected from the second data, namely 210 bit datas, then the bit data of reselection 78 since 0, namely selection 0-77 bits, then the 11st wireless sub-frame selection 2790-3000 and 0-77 bit data.
As can be seen here, the 0-2999 of the second data is selected, namely the second data are all transmitted, and the second data are not dropped, and reduce code rate, improve coding gain.
For another example, the size of data that first wireless sub-frame can be carried is 288, the original position of data selection is 14, the size of data that second wireless sub-frame can be carried is 144, the original position of data selection is 200, the 3rd data then selected from first wireless sub-frame from the second data are 14-301, and the 3rd data that second wireless sub-frame is selected from the second data are 200-343.
Wherein, selecting module 103, in addition to：Second acquisition unit, the second selecting unit and the 3rd selecting unit；
Second acquisition unit, for the size of data according to the second data, obtains the original position of the data selection of each wireless sub-frame；
Wherein, second acquisition unit obtains the original position of the data selection of each wireless sub-frame and the original position of the data selection of each wireless sub-frame of first acquisition unit acquisition is identical, will not be repeated here.
Second selecting unit, for selecting an original position in the original position that is selected from the data of each wireless sub-frame；
Wherein it is possible to randomly choose an original position, the original position that the data of the corresponding wireless sub-frame of redundancy versions 0 can also be selected to select in the original position selected from the data of each wireless sub-frame.
3rd selecting unit, the size of data that can be carried for the original position according to selection and each wireless sub-frame, the 3rd data that continuous circulation selection is transmitted on each wireless sub-frame from the second data.
When last bit data of the original position that data are selected to the second data is less than the size of data that the wireless sub-frame can be carried, the original position of data selection is selected from the second data to last bit data of the second data, then selection data are started the cycle over from first bit of the second data, until the 3rd size of data is equal to the size of data for selecting can be carried on the wireless sub-frame.
For example, the size of data of second data is 3000, then the bit range of the second data is 0-2999, the original position of data selection is 2944, the size of data that the wireless sub-frame can be carried is 288 bits, then 2944-2999 size of data is that 55 size of data that can be carried less than the wireless sub-frame are 288, then 2944-2999 and 0-231 bit datas are selected from the second data.
For example, the original position of the data selection of the selection corresponding wireless sub-frame of redundancy versions 0 is 64, each The size of data that wireless sub-frame can be carried is 288 bits, then since at 64 bits of the second data, first wireless sub-frame selects 64-351 bit datas from the second data, second wireless sub-frame selects 352-639 from the second data, 3rd wireless sub-frame selects 640-927 from the second data, 4th wireless sub-frame selects 928-1215 from the second data, 5th wireless sub-frame selects 1216-1503 from the second data, 6th wireless sub-frame selects 1504-1791 from the second data, 7th wireless sub-frame selects 1792-2079 from the second data, 8th wireless sub-frame selects 2080-2367 from the second data, 9th wireless sub-frame selects 2368-2655 from the second data, tenth wireless sub-frame selects 2656-2943 from the second data, 11st wireless sub-frame selects 2944-2999 and 0-231 from the second data.
Transport module 104, for transmitting the 3rd data on each wireless sub-frame respectively.
Wherein, transport module includes：Modulating unit, the first load bearing unit, the second load bearing unit and transmission unit；
Modulating unit, for the 3rd data to be modulated into processing respectively, the 3rd data after being modulated；
The bit of 3rd data is linked in sequence successively, continuous coded-bit is obtained, continuous coded-bit is modulated processing, the 3rd data after being modulated.
The 3rd data can be carried out with any modulation treatment in the present invention, such as QPSK modulation, 16QAM or 64QAM are not specifically limited to modulation system in the present invention, and the 3rd data are modulated be processed as prior art, no longer described in detail herein.
First load bearing unit, for respectively by the 3rd Deta bearer after modulation in a wireless sub-frame, obtaining the wireless sub-frame of the 3rd data of multiple carryings；
Second load bearing unit, for each wireless sub-frame in the wireless sub-frame of multiple 3rd data to be carried on into a resource block respectively, obtains the resource block of the 3rd data of multiple carryings.
When terminal is to base station the second data of transmission, or base station to terminal send the second data when, wireless sub-frame can not be directly transmitted, need wireless sub-frame being carried on resource block, namely in this step, the corresponding resource block of each wireless sub-frame is obtained, each wireless sub-frame is carried on the corresponding resource block of the wireless sub-frame.
Transmission unit, for transmitting multiple resource blocks successively.
A resource block is once transmitted, the resource block of the obtained data of multiple carryings the 3rd is transferred to base station successively, or, the resource block of the obtained data of multiple carryings the 3rd is transferred to terminal successively.
Further, base station successively receiving terminal send the data of carrying the 3rd resource block, from resource block obtain modulation after the 3rd data, system is demodulated to the 3rd data after modulation, multiple 3rd data are obtained, multiple 3rd data are decoded, the first data are obtained.
Or, terminal receives the resource block of the data of carrying the 3rd of base station transmission successively, is obtained from resource block The 3rd data after modulation are demodulated system by the 3rd data after modulation, obtain multiple 3rd data, and multiple 3rd data are decoded, the first data are obtained.
If the base station determine that some the 3rd data is damaged in transmitting procedure, then base station, which can also be sent, resends request to terminal, and this resends the mark that request carries the 3rd data for needing to resend；What terminal reception base station was sent resends request, and obtain the mark for resending the 3rd data resend in request the need for carrying, according to the mark of the 3rd data, obtain the 3rd data, by the 3rd Deta bearer on the corresponding resource block of wireless sub-frame, the resource block is sent to base station.
In embodiments of the present invention, the first data waiting for transmission are encoded, obtains the second data；It is determined that multiple wireless sub-frames needed for the second data are transmitted, and the size of data that each wireless sub-frame in multiple wireless sub-frames can be carried；The size of data that can be carried according to the size of data of the second data and each wireless sub-frame, the size of data that the wireless sub-frame for selecting the size of data for the 3rd data transmitted on the 3rd data transmitted on each wireless sub-frame, each wireless sub-frame corresponding from the second data can be carried is identical；The 3rd data are transmitted on each wireless sub-frame respectively.Because the present invention is the size of data that can be carried according to the size of data and each wireless sub-frame of the second data, the 3rd data transmitted on each wireless sub-frame are selected from the second data, so as to transmit whole information bits, code rate is reduced, coding gain is improved.
Embodiment 2
Referring to Fig. 3, the embodiments of the invention provide a kind of method of data transfer, the executive agent of this method can be terminal or base station, wherein, this method includes：
Step 201：First data waiting for transmission are encoded, the second data are obtained；
Step 202：It is determined that multiple wireless sub-frames needed for the second data are transmitted, and the size of data that each wireless sub-frame in multiple wireless sub-frames can be carried；
Step 203：The size of data that can be carried according to the size of data of the second data and each wireless sub-frame, select the size of data of the 3rd data transmitted on the 3rd data transmitted on each wireless sub-frame, each wireless sub-frame identical with the size of data that each wireless sub-frame can be carried from the second data；
Step 204：The 3rd data are transmitted on each wireless sub-frame respectively.
In embodiments of the present invention, the first data waiting for transmission are encoded, obtains the second data；It is determined that multiple wireless sub-frames needed for the second data are transmitted, and the size of data that each wireless sub-frame in multiple wireless sub-frames can be carried；The size of data that can be carried according to the size of data of the second data and each wireless sub-frame, the size of data that the wireless sub-frame for selecting the size of data for the 3rd data transmitted on the 3rd data transmitted on each wireless sub-frame, each wireless sub-frame corresponding from the second data can be carried is identical；Respectively The 3rd data are transmitted on each wireless sub-frame.Because the present invention is the size of data that can be carried according to the size of data and each wireless sub-frame of the second data, the 3rd data transmitted on each wireless sub-frame are selected from the second data, so as to transmit whole information bits, code rate is reduced, coding gain is improved.
Embodiment 3
Referring to Fig. 4, the embodiments of the invention provide a kind of method of data transfer, the executive agent of this method can be terminal or base station, wherein, this method includes：
Step 301：First data waiting for transmission are encoded, the second data are obtained；
When terminal will transmit data to base station, terminal obtains data waiting for transmission, using data waiting for transmission as the first data, in order to improve the antijamming capability of the first data, the first data is encoded, the second data are obtained.Or,
When base station is to terminal transmission data, base station obtains data waiting for transmission, using data waiting for transmission as the first data, in order to improve the antijamming capability of the first data, the first data is encoded, the second data are obtained.
First data waiting for transmission can be encoded using any coded system, such as carrying out Turbo2/3 or Turbo1/3 to the first data waiting for transmission encodes, and obtains the second data.
For example, the size of data of the first data waiting for transmission is 1000, then Turbo1/3 codings is carried out to the first data, obtain the second data, then the size of data of the second data is 3000.
The detailed process that first data are carried out with Turbo1/3 codings is prior art, is no longer described in detail herein.
Step 302：It is determined that multiple wireless sub-frames needed for the second data are transmitted, and the size of data that each wireless sub-frame in multiple wireless sub-frames can be carried；
When terminal transmits the second data to base station, base station determines multiple wireless sub-frames needed for the second data of transmission, and the System Frame Number of the wireless sub-frame determined is sent to terminal.
When base station is to the second data of terminal transmission, base station directly determine transmit the second data needed for multiple wireless sub-frames, then it is determined that wireless sub-frame on transmit the second data.
Wherein it is determined that the process for the size of data that each wireless sub-frame in multiple wireless sub-frames can be carried is as follows：
For each wireless sub-frame, it is that the resource that a transmission block can occupy on this wireless sub-frame is illustrated in bit levels that by the transmission of a transmission block, the number of available bit, which is expressed as G, i.e. G, altogether, in embodiments of the present invention, G=288.
Make G`=G/ (NL*Qm), NLIt is equal to 2, in the case of other, N when using transmission diversityLEqual to one transmission block is mapped to the number of layer, namely NLEqual to 1.When the modulation system used is QPSK, Qm=2；When the modulation system used is 16QAM, Qm=4；When the modulation system used is 64QAM, Qm=6.
Make y=G`modC, C is the number of code block, the number of code block is relevant with the size of data of the first data, if the size of data of the first data is in the range of 0-6144, C=1, if the size of data of the first data is in the range of 6145-12289, C=2, if the size of data of the first data is in the range of 12290-184334, C=3, by that analogy.
Make Er=NL*Qm* y, ErThe size of data that can be carried on the wireless sub-frame is represented, namely is that wireless sub-frame selection size of data is E every timer。
For example, G=288, NL=1, the modulation system that the present invention is used is QPSK, namely Qm=2, then G`=G/ (NL*Qm)=144, the size of data of the first data for 1000,1000 in the range of 0-6144, then C=1；Then y=G`modC=144, Er=NL*Qm* the size of data that can be carried on y=1*2*144=288, the i.e. wireless sub-frame is 288 bits, namely the size of data of selection data is 288 bits every time.
It should be noted that each wireless sub-frame calculates the size of data that can be carried on the wireless sub-frame by the above process, and the size of data that can be each carried on wireless sub-frame may be identical, it is also possible to different.
Step 303：According to the size of data of the second data, the original position of the data selection of each wireless sub-frame is obtained；
When transmitting the second data, by the second Deta bearer on wireless sub-frame, accordingly, it would be desirable to obtain the original position of the data selection of each wireless sub-frame, the original position selected according to the data of each wireless sub-frame, selection is carried on the 3rd data on the wireless sub-frame from the second data.
Wherein, step 303 can be realized by following steps (1) to (3), including：
(1)：The size of data that can be carried according to the size of data of the second data and each wireless sub-frame, calculates the redundancy versions number needed for the second data of transmission；
Specifically, calculate the ratio for the size of data that size of data and each wireless sub-frame of the second data can be carried, will be rounded on the ratio or under round the redundancy versions number being used as needed for the second data of transmission.
If it should be noted that the ratio is integer, directly using the redundancy versions number needed for the ratio as the second data of transmission；If the ratio is non-integer, the integer part of the ratio is added one and is used as the redundancy versions number needed for the second data of transmission；If the ratio is non-integer, the integer part of the ratio can also be subtracted one and be used as the redundancy versions number needed for the second data of transmission.
For example, the size of data of the second data is 3000 bits, the data that each wireless sub-frame can be carried Size be 288 bits, then 3000 and 288 ratio is that 10.4,10.4 integer part is 10, in embodiments of the present invention using 10 Jia 1 namely 11 as transmit the second data needed for redundancy versions number RVnum。
Wherein, the original position of every kind of one data selection of redundancy versions correspondence.
(2)：According to redundancy versions number, the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame is obtained；
When transmitting the second data, redundancy versions are selected from redundancy versions set, the original position of each one data selection of redundancy versions correspondence, obtain the original position of the corresponding data selection of redundancy versions of selection, according to the original position, the 3rd data transmitted on each wireless sub-frame are selected from the second data.Accordingly, it would be desirable to obtain the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame.
Wherein, the span of the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame is 0~redundancy versions number -1.
Step (2) can be：The System Frame Number of each wireless sub-frame is obtained, according to the System Frame Number of each wireless sub-frame and redundancy versions number, the redundancy versions sequence number of each wireless sub-frame is calculated.
Specifically, according to the System Frame Number of each wireless sub-frame and redundancy versions number, the redundancy versions sequence number of each wireless sub-frame is calculated by equation below (2)：
rvindex=NTTImod RVnum；(2)
Wherein, rvindexFor the redundancy versions sequence number of each wireless sub-frame, RVnumFor redundancy versions number, NTTIFor the System Frame Number of each wireless sub-frame.
For example, the System Frame Number of current wireless sub-frame is 23, then 23 and 11 remainder is 1, then the redundancy versions serial number 1 of current wireless sub-frame.
In this step, redundancy versions sequence number can also be selected from redundancy versions set according to the number of times for sending wireless sub-frame.For example, when sending the second data for the first time, wireless sub-frame selection redundancy versions 0, during second of the second data of transmission, wireless sub-frame selection redundancy versions 1, RVnumDuring the second data of secondary transmission, wireless sub-frame selection redundancy versions RVnum- 1, RVnumDuring+1 the second data of transmission, wireless sub-frame selection redundancy versions 0 are circulated successively.
(3)：The redundancy versions sequence number for the 3rd data transmitted on size of data, redundancy versions number and each wireless sub-frame of second data, calculates the original position of the data selection of each wireless sub-frame.
Step (3) can be realized by following steps (3-1) to (3-2), including：
(3-1)：The line number of interleaver according to used in the size of data of the second data and the second data, calculates the columns of interleaver
, it is necessary to be interleaved by interleaver to the second data before the second data are transmitted, i.e., each bit stream of the second data is entered into the matrix of interleaver by row write, column permutation is carried out to matrix, then each bit stream is read by row, obtain bit stream v0 (i), v1 (i), v2 (i), i=0,1,2, KIIBe a code block after being interleaved three bit streams in each bit stream bit number.I=0 stream contains information bit, and these three bit streams are put into caching, for data cached, the size N of cachingcb=Kw=3KII, the bit during note is cached is wk, k=0 ... ... Ncb-1。wk=vk (0), wKII+2k=vk (1), wKII+2k+1=vk (2), k=0 ... ... KII-1.Therefore, the second data discharge in the buffer is as shown in table 1 below：
Table 1
KIIBit (K containing information bitr) 2KIICheck bit
Wherein, the line number of interleaver is fixed value 32, and the columns of interleaver is configured according to the size of data of the first data, and the size of data+4 of columns the first data of satisfaction of interleaver<The minimum value of=(the line number * columns of interleaver).
For example, the size of data of the first data is 1000, then 1000+4<=(columns of 32* interleavers), then it is 32 to calculate and obtain the columns of interleaver.
(3-2)：The original position selected according to the redundancy versions sequence number for the 3rd data transmitted on the columns of interleaver, the size of data of the second data, redundancy versions number and each wireless sub-frame, the data for calculating each wireless sub-frame by equation below (1) respectively：
Wherein, the original position that k0 selects for the data of each wireless sub-frame,For the columns of interleaver, NcbFor the size of data of the second data, RVnumFor redundancy versions number, rvindexFor the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame.
For example, the columns of interleaverFor 32, the size of data N of the second datacbFor 3000, redundancy versions number RVnumFor 11, the redundancy versions sequence number rv of each wireless sub-frameindexRespectively 0,1,2,3,4,5,6,7,8,9,10, then the original position that the data selection for obtaining each wireless sub-frame is calculated by above formula is respectively 64,336,609,882,1154,1427,1699,1972,2245,2517,2790.
Step 304：The size of data that the original position and each wireless sub-frame selected according to the data of each wireless sub-frame can be carried, selects the 3rd data transmitted on each wireless sub-frame from the second data；
Wherein, the size of data for the 3rd data transmitted on each wireless sub-frame is identical with the size of data that the wireless sub-frame can be carried.
Step 304 can be：The original position selected according to the data of each wireless sub-frame, since the second data the original position of the data selection of the wireless sub-frame, selects the 3rd data of the size of data that the wireless sub-frame can carry.
For example, the size of data that each wireless sub-frame can be carried is identical, is all 288 bits, then the bit of original position 64 selected according to the data of first wireless sub-frame, 288 bit datas, namely first wireless sub-frame selection 64-351 bit data are selected at 64 bits in the second data；The bit of original position 336 selected according to the data of second wireless sub-frame, since the second data at 336 bits select 288 bit datas, namely second wireless sub-frame selection 336-623 bit data；The bit of original position 609 selected according to the data of the 3rd wireless sub-frame, since the second data at 609 bits select 288 bit datas, namely the 3rd wireless sub-frame selection 609-896 bit data；The original position 882 selected according to the data of the 4th wireless sub-frame, 882 since the second data at select 288 bit datas, namely the 4th wireless sub-frame selection 882-1169 bit data；The original position 1154 selected according to the data of the 5th wireless sub-frame, 1154 since the second data at select 288 bit datas, namely the 5th wireless sub-frame selection 1154-1441 bit data；The original position 1427 selected according to the data of the 6th wireless sub-frame, 1427 since the second data at select 288 bit datas, namely the 6th wireless sub-frame selection 1427-1714 bit data；The original position 1699 selected according to the data of the 7th wireless sub-frame, 1699 since the second data at select 288 bit datas, namely the 7th wireless sub-frame selection 1699-1986 bit data；The original position 1972 selected according to the data of the 8th wireless sub-frame, 1972 since the second data at select 288 bit datas, namely the 8th wireless sub-frame selection 1972-2259 bit data；The original position 2245 selected according to the data of the 9th wireless sub-frame, 2245 since the second data at select 288 bit datas, namely the 9th wireless sub-frame selection 2245-2532 bit data；The original position 2517 selected according to the data of the tenth wireless sub-frame, 2517 since the second data at select 288 bit datas, namely the tenth wireless sub-frame selection 2517-2804 bit data；The original position 2790 selected according to the data of the 11st wireless sub-frame, 288 bit datas are selected at 2790 since the second data, because the size of data of the second data is 3000,2790-2999 bit datas are then selected from the second data, namely 210 bit datas, then the bit data of reselection 78 since 0, namely selection 0-77 bits, then the 11st wireless sub-frame selection 2790-3000 and 0-77 bit data.
As can be seen here, the 0-2999 of the second data is selected, namely the second data are all transmitted, and the second data are not dropped, and reduce code rate, improve coding gain.
For example, the size of data that first wireless sub-frame can be carried is 288, the original position of data selection is 14, and the size of data that second wireless sub-frame can be carried is 144, and the original position of data selection is 200, then the 3rd data selected from first wireless sub-frame from the second data are 14-301, and the 3rd data that second wireless sub-frame is selected from the second data are 200-343.
Wherein, step 304 could alternatively be：An original position, the size of data that can be carried according to the original position of selection and each wireless sub-frame, the 3rd data that continuous circulation selection is transmitted on each wireless sub-frame from the second data are selected in the original position selected from the data of each wireless sub-frame.
When last bit data of the original position that data are selected to the second data is less than the size of data that the wireless sub-frame can be carried, the original position of data selection is selected from the second data to last bit data of the second data, then selection data are started the cycle over from first bit of the second data, until the 3rd size of data is equal to the size of data for selecting can be carried on the wireless sub-frame.
For example, the size of data of second data is 3000, then the bit range of the second data is 0-2999, the original position of data selection is 2944, the size of data that the wireless sub-frame can be carried is 288 bits, then 2944-2999 size of data is that 55 size of data that can be carried less than the wireless sub-frame are 288, then 2944-2999 and 0-231 bit datas are selected from the second data.
Wherein it is possible to randomly choose an original position, the original position that the data of the corresponding wireless sub-frame of redundancy versions 0 can also be selected to select in the original position selected from the data of each wireless sub-frame.
For example, in this step, the original position for selecting the data selection of the corresponding wireless sub-frame of redundancy versions 0 is 64, the size of data that each wireless sub-frame can be carried is 288 bits, then since at 64 bits of the second data, first wireless sub-frame selects 64-351 bit datas from the second data, second wireless sub-frame selects 352-639 from the second data, 3rd wireless sub-frame selects 640-927 from the second data, 4th wireless sub-frame selects 928-1215 from the second data, 5th wireless sub-frame selects 1216-1503 from the second data, 6th wireless sub-frame selects 1504-1791 from the second data, 7th wireless sub-frame selects 1792-2079 from the second data, 8th wireless sub-frame selects 2080-2367 from the second data, 9th wireless sub-frame selects 2368-2655 from the second data, tenth wireless sub-frame selects 2656-2943 from the second data, 11st wireless sub-frame selects 2944-2999 and 0-231 from the second data.
Step 305：The 3rd data are transmitted on each wireless sub-frame respectively；
Step 305 can be realized by following steps (1) to (4), including：
(1)：The 3rd data are modulated processing respectively, the 3rd data after being modulated；
The bit of 3rd data is linked in sequence successively, continuous coded-bit is obtained, continuous coded-bit is modulated processing, the 3rd data after being modulated.
Can the 3rd data be carried out with any modulation treatment, such as QPSK modulation, 16QAM in the present invention Or 64QAM etc., modulation system is not specifically limited in the present invention, and the 3rd data are modulated are processed as prior art, no longer describe in detail herein.
(2)：Respectively by the 3rd Deta bearer after modulation on a wireless sub-frame, the wireless sub-frame of the 3rd data of multiple carryings is obtained；
(3)：Each wireless sub-frame in the wireless sub-frame of multiple 3rd data is carried on a resource block respectively, the resource block of the 3rd data of multiple carryings is obtained.
When terminal is to base station the second data of transmission, or base station to terminal send the second data when, wireless sub-frame can not be directly transmitted, need wireless sub-frame being carried on resource block, namely in this step, the corresponding resource block of each wireless sub-frame is obtained, each wireless sub-frame is carried on the corresponding resource block of the wireless sub-frame.
(4)：Multiple resource blocks are transmitted successively.
A resource block is once transmitted, the resource block of the obtained data of multiple carryings the 3rd is transferred to base station successively, or, the resource block of the obtained data of multiple carryings the 3rd is transferred to terminal successively.
Further, base station successively receiving terminal send the data of carrying the 3rd resource block, from resource block obtain modulation after the 3rd data, system is demodulated to the 3rd data after modulation, multiple 3rd data are obtained, multiple 3rd data are decoded, the first data are obtained.
Or, terminal receives the resource block of the data of carrying the 3rd of base station transmission successively, and the 3rd data after modulation are obtained from resource block, system is demodulated to the 3rd data after modulation, multiple 3rd data are obtained, multiple 3rd data are decoded, the first data are obtained.
If the base station determine that some the 3rd data is damaged in transmitting procedure, then base station, which can also be sent, resends request to terminal, and this resends the mark that request carries the 3rd data for needing to resend；What terminal reception base station was sent resends request, and obtain the mark for resending the 3rd data resend in request the need for carrying, according to the mark of the 3rd data, obtain the 3rd data, by the 3rd Deta bearer on the corresponding resource block of wireless sub-frame, the resource block is sent to base station.
In embodiments of the present invention, the first data waiting for transmission are encoded, obtains the second data；It is determined that multiple wireless sub-frames needed for the second data are transmitted, and the size of data that each wireless sub-frame in multiple wireless sub-frames can be carried；The size of data that can be carried according to the size of data of the second data and each wireless sub-frame, the size of data that the wireless sub-frame for selecting the size of data for the 3rd data transmitted on the 3rd data transmitted on each wireless sub-frame, each wireless sub-frame corresponding from the second data can be carried is identical；The 3rd data are transmitted on each wireless sub-frame respectively.Because the present invention is the size of data that can be carried according to the size of data and each wireless sub-frame of the second data, the 3rd data transmitted on each wireless sub-frame are selected from the second data, so as to transmit whole information bits, code rate is reduced, coding gain is improved.
Embodiment 4
Referring to Fig. 5, the embodiments of the invention provide a kind of device of data transfer, the device can be terminal or base station, wherein, the device includes：Processor 401 and transmitter 402；
The processor 401, for being encoded to the first data waiting for transmission, obtains the second data；
The processor 401, is additionally operable to determine multiple wireless sub-frames needed for transmission second data, and the size of data that each wireless sub-frame in the multiple wireless sub-frame can be carried；
The processor 401, it is additionally operable to the size of data that can be carried according to the size of data and each wireless sub-frame of second data, select the size of data of the 3rd data transmitted on the 3rd data transmitted on each wireless sub-frame, each wireless sub-frame identical with the size of data that each wireless sub-frame can be carried from second data；
The transmitter 402, is additionally operable to transmit the 3rd data on each wireless sub-frame respectively.
It is preferred that, the processor 401 is additionally operable to the size of data according to second data, obtains the original position of the data selection of each wireless sub-frame；
The processor 401, is additionally operable to the size of data that original position and each wireless sub-frame can be carried selected according to the data of each wireless sub-frame, the 3rd data transmitted on each wireless sub-frame is selected from second data.
It is preferred that, the processor 401 is additionally operable to the size of data that can be carried according to the size of data and each wireless sub-frame of second data, calculates the redundancy versions number needed for transmission second data；
The processor 401, is additionally operable to obtain the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame according to the redundancy versions number；
The processor 401, is additionally operable to the redundancy versions sequence number of the 3rd data transmitted in size of data, redundancy versions number and each wireless sub-frame according to second data, calculates the original position of the data selection of each wireless sub-frame.
It is preferred that, the processor 401, the line number for the interleaver being additionally operable to according to used in the size of data and second data of second data calculates the columns of the interleaver；
The processor 401, the redundancy versions sequence number of the 3rd data transmitted on the columns according to the interleaver, the size of data of second data, the redundancy versions number and each wireless sub-frame is additionally operable to, the original position that the data for calculating each wireless sub-frame by equation below (1) respectively are selected：
Wherein, the original position that k0 selects for the data of each wireless sub-frame,For the columns of the interleaver, NcbFor the size of data of second data, RVnumFor the redundancy versions number, rvindexFor the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame.
It is preferred that, processor 401 is additionally operable to calculate the ratio for the size of data that the size of data and each wireless sub-frame of second data can be carried；
Processor 401, be additionally operable to round on the ratio or under round the redundancy versions number being used as needed for transmission second data.
It is preferred that, the processor 401 is additionally operable to obtain the System Frame Number of each wireless sub-frame；
The processor 401, is additionally operable to the System Frame Number and the redundancy versions number according to each wireless sub-frame, calculates the redundancy versions sequence number of each wireless sub-frame.
It is preferred that, the processor 401 is additionally operable to the System Frame Number and the redundancy versions number according to each wireless sub-frame, and the redundancy versions sequence number of each wireless sub-frame is calculated by equation below (2)：
rvindex=NTTImod RVnum；(2)
Wherein, rvindexFor the redundancy versions sequence number of each wireless sub-frame, RVnumFor the redundancy versions number, NTTIFor the System Frame Number of each wireless sub-frame.
It is preferred that, the processor 401 is additionally operable to the size of data according to second data, obtains the original position of the data selection of each wireless sub-frame；
The processor 401, is additionally operable to select an original position from the original position of the data selection of each wireless sub-frame；
The processor 401, is additionally operable to the size of data that can be carried according to the original position and each wireless sub-frame of the selection, the 3rd data that continuous circulation selection is transmitted on each wireless sub-frame from second data.
In embodiments of the present invention, the first data waiting for transmission are encoded, obtains the second data；It is determined that multiple wireless sub-frames needed for the second data are transmitted, and the size of data that each wireless sub-frame in multiple wireless sub-frames can be carried；The size of data that can be carried according to the size of data of the second data and each wireless sub-frame, the size of data that the wireless sub-frame for selecting the size of data for the 3rd data transmitted on the 3rd data transmitted on each wireless sub-frame, each wireless sub-frame corresponding from the second data can be carried is identical；The 3rd data are transmitted on each wireless sub-frame respectively.Because the present invention is the size of data that can be carried according to the size of data and each wireless sub-frame of the second data, the 3rd data transmitted on each wireless sub-frame are selected from the second data, so as to transmit whole information bits, code rate is reduced, coding gain is improved.
One of ordinary skill in the art will appreciate that realizing all or part of step of above-described embodiment can be completed by hardware, the hardware of correlation can also be instructed to complete by program, described program can be stored in a kind of computer-readable recording medium, storage medium mentioned above can be read-only storage, disk or CD etc..
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (24)

  1. A kind of device of data transfer, it is characterised in that described device includes：
    Coding module, for being encoded to the first data waiting for transmission, obtains the second data；
    Determining module, for determining multiple wireless sub-frames needed for transmission second data, and the size of data that each wireless sub-frame in the multiple wireless sub-frame can be carried；
    Selecting module, the size of data that can be carried for the size of data according to second data and each wireless sub-frame, select the size of data of the 3rd data transmitted on the 3rd data transmitted on each wireless sub-frame, each wireless sub-frame identical with the size of data that each wireless sub-frame can be carried from second data；
    Transport module, for transmitting the 3rd data on each wireless sub-frame respectively.
  2. Device as claimed in claim 1, it is characterised in that the selecting module, including：
    First acquisition unit, for the size of data according to second data, obtains the original position of the data selection of each wireless sub-frame；
    First choice unit, the size of data that original position and each wireless sub-frame for being selected according to the data of each wireless sub-frame can be carried, selects the 3rd data transmitted on each wireless sub-frame from second data.
  3. Device as claimed in claim 2, it is characterised in that the first acquisition unit, including：
    First computation subunit, the size of data that can be carried for the size of data according to second data and each wireless sub-frame calculates the redundancy versions number needed for transmission second data；
    Subelement is obtained, for according to the redundancy versions number, obtaining the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame；
    Second computation subunit, the redundancy versions sequence number for the 3rd data transmitted on the size of data according to second data, redundancy versions number and each wireless sub-frame calculates the original position of the data selection of each wireless sub-frame.
  4. Device as claimed in claim 3, it is characterised in that
    Second computation subunit, for the line number of the interleaver used in the size of data according to second data and second data, calculates the columns of the interleaver；According to the columns of the interleaver, described The redundancy versions sequence number for the 3rd data transmitted on the size of data of second data, the redundancy versions number and each wireless sub-frame, the original position that the data for calculating each wireless sub-frame by equation below (1) respectively are selected：
    Wherein, the original position that k0 selects for the data of each wireless sub-frame,For the columns of the interleaver, NcbFor the size of data of second data, RVnumFor the redundancy versions number, rvindexFor the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame.
  5. Device as claimed in claim 3, it is characterised in that
    First computation subunit, the ratio for calculating the size of data that the size of data of second data can be carried with each wireless sub-frame；To be rounded on the ratio or under round the redundancy versions number being used as needed for transmission second data.
  6. Device as claimed in claim 3, it is characterised in that
    The acquisition subelement, the System Frame Number for obtaining each wireless sub-frame；According to the System Frame Number of each wireless sub-frame and the redundancy versions number, the redundancy versions sequence number of each wireless sub-frame is calculated.
  7. Device as claimed in claim 6, it is characterised in that
    The acquisition subelement, for the System Frame Number according to each wireless sub-frame and the redundancy versions number, the redundancy versions sequence number of each wireless sub-frame is calculated by equation below (2)：
    rvindex=NTTImod RVnum；(2)
    Wherein, rvindexFor the redundancy versions sequence number of each wireless sub-frame, RVnumFor the redundancy versions number, NTTIFor the System Frame Number of each wireless sub-frame.
  8. Device as claimed in claim 1, it is characterised in that the selecting module, including：
    Second acquisition unit, for the size of data according to second data, obtains the original position of the data selection of each wireless sub-frame；
    Second selecting unit, for selecting one in the original position that is selected from the data of each wireless sub-frame Individual original position；
    3rd selecting unit, the size of data that can be carried for the original position according to the selection and each wireless sub-frame, the 3rd data that continuous circulation selection is transmitted on each wireless sub-frame from second data.
  9. A kind of method of data transfer, it is characterised in that methods described includes：
    First data waiting for transmission are encoded, the second data are obtained；
    It is determined that multiple wireless sub-frames needed for second data are transmitted, and the size of data that each wireless sub-frame in the multiple wireless sub-frame can be carried；
    The size of data that can be carried according to the size of data of second data and each wireless sub-frame, select the size of data of the 3rd data transmitted on the 3rd data transmitted on each wireless sub-frame, each wireless sub-frame identical with the size of data that each wireless sub-frame can be carried from second data；
    The 3rd data are transmitted on each wireless sub-frame respectively.
  10. Method as claimed in claim 9, it is characterised in that the size of data that the size of data and each wireless sub-frame according to second data can be carried, selects the 3rd data transmitted on each wireless sub-frame from second data, including：
    According to the size of data of second data, the original position of the data selection of each wireless sub-frame is obtained；
    The size of data that the original position and each wireless sub-frame selected according to the data of each wireless sub-frame can be carried, selects the 3rd data transmitted on each wireless sub-frame from second data.
  11. Method as claimed in claim 10, it is characterised in that the size of data according to second data, obtains the original position of the data selection of each wireless sub-frame, including：
    The size of data that can be carried according to the size of data of second data and each wireless sub-frame, calculates the redundancy versions number needed for transmission second data；
    According to the redundancy versions number, the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame is obtained；
    According to the redundancy versions sequence number for the 3rd data transmitted in the size of data, redundancy versions number and each wireless sub-frame of second data, the original position of the data selection of each wireless sub-frame is calculated.
  12. Method as claimed in claim 11, it is characterized in that, the redundancy versions sequence number for the 3rd data transmitted in the size of data, redundancy versions number and each wireless sub-frame according to second data, calculates the original position of the data selection of each wireless sub-frame, including：
    The line number of interleaver according to used in the size of data of second data and second data, calculates the columns of the interleaver；
    The original position selected according to the redundancy versions sequence number for the 3rd data transmitted on the columns of the interleaver, the size of data of second data, the redundancy versions number and each wireless sub-frame, the data for calculating each wireless sub-frame by equation below (1) respectively：
    Wherein, the original position that k0 selects for the data of each wireless sub-frame,For the columns of the interleaver, NcbFor the size of data of second data, RVnumFor the redundancy versions number, rvindexFor the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame.
  13. Method as claimed in claim 11, it is characterised in that the size of data that the size of data and each wireless sub-frame according to second data can be carried, calculates the redundancy versions number needed for transmission second data, including：
    The ratio for the size of data that the size of data and each wireless sub-frame for calculating second data can be carried；
    To be rounded on the ratio or under round the redundancy versions number being used as needed for transmission second data.
  14. Method as claimed in claim 11, it is characterised in that the redundancy versions sequence number that each wireless sub-frame is obtained according to the redundancy versions number, including：
    Obtain the System Frame Number of each wireless sub-frame；
    According to the System Frame Number of each wireless sub-frame and the redundancy versions number, the redundancy versions sequence number of each wireless sub-frame is calculated.
  15. Method as claimed in claim 14, it is characterised in that the System Frame Number and the redundancy versions number according to each wireless sub-frame, calculates the redundancy versions sequence number of each wireless sub-frame, bag Include：
    According to the System Frame Number of each wireless sub-frame and the redundancy versions number, the redundancy versions sequence number of each wireless sub-frame is calculated by equation below (2)：
    rvindex=NTTImod RVnum；(2)
    Wherein, rvindexFor the redundancy versions sequence number of each wireless sub-frame, RVnumFor the redundancy versions number, NTTIFor the System Frame Number of each wireless sub-frame.
  16. Method as claimed in claim 9, it is characterised in that the size of data that the size of data and each wireless sub-frame according to second data can be carried, selects the 3rd data transmitted on each wireless sub-frame from second data, including：
    According to the size of data of second data, the original position of the data selection of each wireless sub-frame is obtained；
    An original position is selected in the original position selected from the data of each wireless sub-frame；
    The size of data that can be carried according to the original position of the selection and each wireless sub-frame, the 3rd data that continuous circulation selection is transmitted on each wireless sub-frame from second data.
  17. A kind of device of data transfer, it is characterised in that described device includes：Processor and transmitter；
    The processor, for being encoded to the first data waiting for transmission, obtains the second data；
    The processor, is additionally operable to determine multiple wireless sub-frames needed for transmission second data, and the size of data that each wireless sub-frame in the multiple wireless sub-frame can be carried；
    The processor, it is additionally operable to the size of data that can be carried according to the size of data and each wireless sub-frame of second data, select the size of data of the 3rd data transmitted on the 3rd data transmitted on each wireless sub-frame, each wireless sub-frame identical with the size of data that each wireless sub-frame can be carried from second data；
    The transmitter, is additionally operable to transmit the 3rd data on each wireless sub-frame respectively.
  18. Device as claimed in claim 17, it is characterised in that
    The processor, is additionally operable to the size of data according to second data, obtains the original position of the data selection of each wireless sub-frame；
    The processor, is additionally operable to the original position and described selected according to the data of each wireless sub-frame The size of data that each wireless sub-frame can be carried, selects the 3rd data transmitted on each wireless sub-frame from second data.
  19. Device as claimed in claim 18, it is characterised in that
    The processor, is additionally operable to the size of data that can be carried according to the size of data and each wireless sub-frame of second data, calculates the redundancy versions number needed for transmission second data；
    The processor, is additionally operable to obtain the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame according to the redundancy versions number；
    The processor, is additionally operable to the redundancy versions sequence number of the 3rd data transmitted in size of data, redundancy versions number and each wireless sub-frame according to second data, calculates the original position of the data selection of each wireless sub-frame.
  20. Device as claimed in claim 19, it is characterised in that
    The processor, the line number for the interleaver being additionally operable to according to used in the size of data and second data of second data calculates the columns of the interleaver；
    The processor, the redundancy versions sequence number of the 3rd data transmitted on the columns according to the interleaver, the size of data of second data, the redundancy versions number and each wireless sub-frame is additionally operable to, the original position that the data for calculating each wireless sub-frame by equation below (1) respectively are selected：
    Wherein, the original position that k0 selects for the data of each wireless sub-frame,For the columns of the interleaver, NcbFor the size of data of second data, RVnumFor the redundancy versions number, rvindexFor the redundancy versions sequence number for the 3rd data transmitted on each wireless sub-frame.
  21. Device as claimed in claim 19, it is characterised in that
    The processor, is additionally operable to calculate the ratio for the size of data that the size of data and each wireless sub-frame of second data can be carried；
    The processor, be additionally operable to round on the ratio or under round the redundancy versions number being used as needed for transmission second data.
  22. Device as claimed in claim 19, it is characterised in that
    The processor, is additionally operable to obtain the System Frame Number of each wireless sub-frame；
    The processor, is additionally operable to the System Frame Number and the redundancy versions number according to each wireless sub-frame, calculates the redundancy versions sequence number of each wireless sub-frame.
  23. Device as claimed in claim 22, it is characterised in that
    The processor, is additionally operable to the System Frame Number and the redundancy versions number according to each wireless sub-frame, and the redundancy versions sequence number of each wireless sub-frame is calculated by equation below (2)：
    rvindex=NTTImod RVnum；(2)
    Wherein, rvindexFor the redundancy versions sequence number of each wireless sub-frame, RVnumFor the redundancy versions number, NTTIFor the System Frame Number of each wireless sub-frame.
  24. Device as claimed in claim 17, it is characterised in that
    The processor, is additionally operable to the size of data according to second data, obtains the original position of the data selection of each wireless sub-frame；
    The processor, is additionally operable to select an original position from the original position of the data selection of each wireless sub-frame；
    The processor, is additionally operable to the size of data that can be carried according to the original position and each wireless sub-frame of the selection, the 3rd data that continuous circulation selection is transmitted on each wireless sub-frame from second data.
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