CN102130757B - Interweaving retransmission device and method - Google Patents
Interweaving retransmission device and method Download PDFInfo
- Publication number
- CN102130757B CN102130757B CN201010003383.XA CN201010003383A CN102130757B CN 102130757 B CN102130757 B CN 102130757B CN 201010003383 A CN201010003383 A CN 201010003383A CN 102130757 B CN102130757 B CN 102130757B
- Authority
- CN
- China
- Prior art keywords
- branch road
- information bit
- interleaver
- encoder
- retransmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention discloses interweaving retransmission device and method, by replacing, increasing interleaver, and then make the coded system adopted during re-transmission be different from the coded system transmitted first, therefore technical scheme of the present invention is relative to the prior art still using transfer encoding mode first when retransmitting, add code word distance, thus improve coding gain; Further, owing to having converted interleaving mode when retransmitting, converted information bit relative to the transmission location transmitted first, also helped simultaneously and carry out effective error correction.
Description
Technical field
The present invention relates to wireless mobile telecommunication technology, espespecially interweaving retransmission device and method.
Background technology
Fig. 1 is the structure chart of prior art 1/3Turbo encoder (1/3Turbo Encoder), and it comprises three branch roads.As shown in Figure 1, on the first leg, information bit directly exports; Second on branch road, information bit through the process of component encoder (Constituent encoder), the check bit after output encoder; On the 3rd branch road, information bit first through interleaver (Interleaver), then through component encoder, finally exports the coding checkout bit through interweaving.The bit information that information bit exports after 1/3Turbo encoder encodes and check bit number are 3 times of prime information bit number.
At information receiving end, if the bit information that receiving terminal receives is made mistakes, transmitting terminal will be asked to retransmit the information bit sent.
In prior art, transmitting terminal can adopt the mode identical with first time to carry out retransmission information bit, as shown in Figure 2.But, adopt identical coded system to carry out coding transmission for identical information bit, have lost coding gain, be unfavorable for effective error correction.
Summary of the invention
In view of this, main purpose of the present invention is to provide interweaving retransmission device and method, can be improved the coding gain in information bit retransmission processes by the technical scheme provided of the present invention.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of interweaving retransmission device, this device comprises three branch roads of 1/3Turbo encoder, and three branch roads process retransmission information bit respectively, and the first branch road directly exports retransmission information bit; Second branch road comprises component encoder; 3rd branch road comprises interleaver and component encoder;
The component encoder of the second branch road for receiving the retransmission information bit of the second branch road, process and output encoder after information bit;
The interleaver of the 3rd branch road, for receiving the retransmission information bit of the 3rd branch road, processes and information bit after the intertexture exported; The component encoder of the 3rd branch road receives the information bit after this intertexture, process information bit after output encoder; Wherein, the interleaver of the 3rd branch road is different from the interleaver adopted when described retransmission information bit transmits first.
A kind of interweaving retransmission device, this device comprises three branch roads of 1/3Turbo encoder, and three branch roads process retransmission information bit respectively, and the first branch road directly exports retransmission information bit; Second branch road comprises component encoder; 3rd branch road comprises interleaver and component encoder; Second branch road comprises interleaver further;
The interleaver of the second branch road, for receiving the retransmission information bit of the second branch road, processes and exports the information bit after interweaving; The component encoder of described second branch road receive this second branch road interleaver interweave after information bit, process information bit after output encoder;
The interleaver of the 3rd branch road, for receiving the retransmission information bit of the 3rd branch road, processes and information bit after the intertexture exported; The component encoder of the 3rd branch road receive the 3rd branch road interleaver interweave after information bit, process information bit after output encoder.
A kind of interweaving retransmission device, this device comprises three branch roads of 1/3Turbo encoder, and three branch roads process retransmission information bit respectively, and the first branch road directly exports retransmission information bit; Second branch road comprises component encoder; 3rd branch road comprises interleaver and component encoder; This device comprises the second interleaver further;
Described second interleaver, for receiving retransmission information bit, the information bit after interweaving also is inputted the component encoder of the second branch road and the interleaver process of the 3rd branch road by process respectively;
The component encoder of the second branch road for the information bit after receiving the second interleaver and interweaving, process information bit after output encoder;
The interleaver of the 3rd branch road is for receiving the information bit after the second interleaver intertexture, process and export the information bit after interweaving, the component encoder of the 3rd branch road receive the 3rd branch road interleaver interweave after information bit, process information bit after output encoder.
A kind of intertexture repeating method, when retransmitting, the method comprises:
Retransmission information bit enters 1/3Turbo encoder;
Described retransmission information bit directly exports at the first branch road; And on the second branch road, described retransmission information bit is entered as constituent encoder process, the information bit after output encoder; And on the 3rd branch road, described retransmission information bit first inputs interleaver process, and result is entered as constituent encoder process again, the information bit after component encoder output encoder; Wherein, the interleaver of described 3rd branch road is different from the interleaver adopted when described retransmission information bit transmits first.
A kind of intertexture repeating method, when retransmitting, the method comprises:
Retransmission information bit enters 1/3Turbo encoder;
Described retransmission information bit directly exports at the first branch road; And on the second branch road, described retransmission information bit first inputs the second branch road interleaver process, result inputs the second branch road component encoder process again, the information bit after the second branch road component encoder output encoder; And on the 3rd branch road, described retransmission information bit first inputs the 3rd branch road interleaver process, result inputs the 3rd branch road component encoder process again, the information bit after the 3rd branch road component encoder output encoder.
A kind of intertexture repeating method, when retransmitting, the method comprises:
Retransmission information bit enters 1/3Turbo encoder
Described information bit directly exports at the first branch road;
Second interleaver receives and processes described retransmission information bit, and the information bit after interweaving is inputted the component encoder of the second branch road and the interleaver of the 3rd branch road respectively; On the second branch road, the information bit that the second branch road component encoder process receives, the check bit after output encoder; On the 3rd branch road, the information bit that the 3rd branch road interleaver process receives, result inputs the 3rd branch road component encoder again, the 3rd branch road component encoder process information bit after output encoder.
Interweaving retransmission device provided by the present invention and method, by replacing, increasing interleaver, and then make the coded system adopted during re-transmission be different from the coded system transmitted first, therefore technical solution of the present invention is relative to the prior art still using transfer encoding mode first when retransmitting, add code word distance, and then improve coding gain; Further, owing to having converted interleaving mode when retransmitting, converted information bit relative to the transmission location transmitted first, also helped simultaneously and carry out effective error correction.
Accompanying drawing explanation
Fig. 1 is the structure chart of prior art 1/3Turbo encoder;
Fig. 2 is prior art information re-transmission schematic diagram;
Fig. 3 is the structure chart of the interweaving retransmission device of a change interleaver in the present invention;
Fig. 4 is the structure chart of the interweaving retransmission device of another change interleaver in the present invention;
Fig. 5 is the structure chart of the interweaving retransmission device increasing interleaver in the present invention;
Fig. 6 is the structure chart of the interweaving retransmission device of increase by second interleaver in the present invention;
Fig. 7 is the structure chart of the interweaving retransmission device of another increase by second interleaver in the present invention;
Fig. 8 is a multiple branch circuit coding equivalent schematic in the present invention;
Fig. 9 is another multiple branch circuit coding equivalent schematic in the present invention;
Figure 10 be in the present invention again one multiple branch circuit coding equivalent schematic.
Embodiment
In the detailed description of this part, by means of only the example to the best mode implemented desired by inventor of the present invention, illustrate and describe preferred embodiment of the present invention.It will be appreciated that and can not deviate under prerequisite of the present invention, with regard to each apparent aspect, it is modified.Correspondingly, drawing and description should be regarded as being exemplary in itself, instead of restrictive.
In order to improve coding gain, more effectively carry out error correction.Technical scheme of the present invention changes the coded system of information bit when retransmitting.Concrete mode can be: 1), change the interleaver that the 3rd branch road uses; 2), on the second branch road, interleaver is increased; 3), interleaver is increased second and the 3rd before branch road.Technical scheme of the present invention, by replacing, increasing interleaver, makes the coded system adopted during re-transmission be different from the coded system transmitted first, still uses the coded system transmitted first, add code word distance, and then improve coding gain relative to during re-transmission; Meanwhile, owing to having converted interleaving mode when retransmitting, converted information bit relative to the transmission location transmitted first, therefore also helped and carry out effective error correction.Now be described below respectively:
Provide a kind of interweaving retransmission device see Fig. 3, Fig. 3, it mainly changes the interleaver that the 3rd branch road uses.Concrete, this device comprises three branch roads of 1/3Turbo encoder, and three branch roads process retransmission information bit respectively.First branch road directly exports retransmission information bit; Second branch road comprises component encoder 321, the component encoder 321 of the second branch road for receiving the retransmission information bit of the second branch road, process and output encoder after information bit; 3rd branch road comprises the interleaver 332 of interleaver 332 and component encoder the 331, three branch road for receiving the retransmission information bit of the 3rd branch road, processes and information bit after the intertexture exported; The component encoder 331 of the 3rd branch road receives the information bit after this intertexture, process information bit after output encoder.Wherein, the interleaver 332 of the 3rd branch road is different from the interleaver 132 adopted when described retransmission information bit transmits first.
Accordingly, when using the device shown in Fig. 3 to carry out the re-transmission of information bit, first, retransmission information bit enters 1/3Turbo encoder.Then, retransmission information bit directly exports at the first branch road; And on the second branch road, retransmission information bit is entered as constituent encoder process, the information bit after component encoder output encoder; And on the 3rd branch road, retransmission information bit first inputs interleaver process, result is entered as constituent encoder process again, the information bit after output encoder.Wherein, the interleaver of the 3rd branch road is different from the interleaver adopted when this retransmission information bit transmits first.
In addition, the device see Fig. 4, Fig. 4 have exchanged the position of the second branch road and the 3rd branch road on the basis of Fig. 3, and technical scheme is equal to the device shown in Fig. 3.
Also provide a kind of interweaving retransmission device see Fig. 5, Fig. 5 again, it mainly adds interleaver on the second branch road.Concrete, this device comprises three branch roads of 1/3Turbo encoder, and three branch roads process retransmission information bit respectively; First branch road directly exports retransmission information bit; Second branch road comprises the interleaver 522 of interleaver 522 and component encoder 521, second branch road for receiving the retransmission information bit of the second branch road, processes and exports the information bit after interweaving; The component encoder 521 of described second branch road receive this second branch road interleaver 522 interweave after information bit, process information bit after output encoder; 3rd branch road comprises the interleaver 532 of interleaver 532 and component encoder the 531, three branch road for receiving the retransmission information bit of the 3rd branch road, processes and information bit after the intertexture exported; The component encoder 531 of the 3rd branch road receive the 3rd branch road interleaver 532 interweave after information bit, process information bit after output encoder.
Wherein, the interleaver 532 of the 3rd branch road can adopt the interleaver 131 used during transmission first, also can not adopt the interleaver 131 used during transmission first.
Accordingly, when using the device shown in Fig. 5 to carry out the re-transmission of information bit, first retransmission information bit enters 1/3Turbo encoder.Retransmission information bit directly exports at the first branch road; And on the second branch road, retransmission information bit first inputs the second branch road interleaver process, result inputs the second branch road component encoder process again, the information bit after the second branch road component encoder output encoder; And on the 3rd branch road, retransmission information bit first inputs the 3rd branch road interleaver process, result inputs the 3rd branch road component encoder process again, the information bit after the 3rd branch road component encoder output encoder.Wherein, the interleaver adopted when the interleaver of the 3rd branch road can adopt this retransmission information bit to transmit first, also can not adopt.
Also provide a kind of interweaving retransmission device see Fig. 6, Fig. 6 again, it mainly adds interleaver second and the 3rd before branch road.Concrete, this device comprises three branch roads of 1/3Turbo encoder, and three branch roads process retransmission information bit respectively, and the first branch road directly exports retransmission information bit; Second branch road comprises component encoder 621; 3rd branch road comprises interleaver 632 and component encoder 631, this device comprises the second interleaver 640 further, this second interleaver 640 is for receiving retransmission information bit, and the interleaver 632 of the information bit component encoder 621 and the 3rd branch road that input the second branch road respectively after interweaving also processes by process.The component encoder 621 of the second branch road for the information bit after receiving the second interleaver 640 and interweaving, process information bit after output encoder; The interleaver 632 of the 3rd branch road is for receiving the information bit after the second interleaver 640 intertexture, process and export the information bit after interweaving, the component encoder 631 of the 3rd branch road receive the 3rd branch road interleaver 632 interweave after information bit, process information bit after output encoder.
In addition, as shown in Figure 7, on the basis of Fig. 6, the second branch road may further include interleaver 622; The interleaver 622 of the second branch road, for receiving the information bit after the second interleaver 640 intertexture, processes and exports the information bit after interweaving; The component encoder 621 of described second branch road receive this second branch road interleaver 622 interweave after information bit, process information bit after output encoder.
Accordingly, when using the device shown in Fig. 6 to carry out the re-transmission of information bit, first, retransmission information bit enters 1/3Turbo encoder; Then, described information bit directly exports at the first branch road; Owing to adding the second interleaver before entering the second branch road and the 3rd branch road, therefore the second interleaver receives and processes described retransmission information bit, and the information bit after interweaving is inputted the component encoder of the second branch road and the interleaver of the 3rd branch road respectively; On the second branch road, the information bit that the second branch road component encoder process receives, the check bit after output encoder; On the 3rd branch road, the information bit that the 3rd branch road interleaver process receives, result inputs the 3rd branch road component encoder again, the 3rd branch road component encoder process information bit after output encoder.
On the basis of Fig. 6, exchange the position of the second branch road and the 3rd branch road, technical scheme is equal to Fig. 6, is not described in detail in this.
If as shown in Figure 7, further increase interleaver at the second branch road; So, the interleaver of the second branch road is for the information bit after receiving the second interleaver and interweaving, and the information bit after interweaving also is sent to the component encoder process of described second branch road by process.
In addition, in the apparatus structure shown in Fig. 6 and Fig. 7, the interleaver 632 of the 3rd branch road can adopt the interleaver 131 used during transmission first, also can not adopt the interleaver 131 used during transmission first.
In technical scheme of the present invention, the interleaver on interweaving retransmission device second branch road can be identical with the interleaver used during information transmission first, also can be different; But the component encoder used is for transmitting used component encoder first.
When same information bit needs repeatedly to retransmit, each re-transmission can adopt technical scheme of the present invention.
From receiving terminal, technical scheme of the present invention can be equivalent to have carried out multiple branch circuit Turbo to information bit and encode.The technical scheme shown in Fig. 3 is adopted to realize once retransmitting, the multiple branch circuit encoder shown in being equivalent on the right side of Fig. 8.Accordingly, Fig. 5 is equivalent to Fig. 9; Fig. 6 is equivalent to Figure 10.In Fig. 10, the interleaver 1032 of the 5th branch road is synthesized by the second interleaver 640 and interleaver 632.The multiple branch circuit interleaver of Fig. 4 and Fig. 7 equivalence can obtain with reference to Fig. 8,9,10, is not described in detail in this.And then receiving terminal can carry out decoding with reference to multiple branch circuit Turbo decoding technique.
When selecting from when transmitting different interleavers first in given multiple interleavers, following method can be adopted: in information bit, select the bit section that the error rate is high, this bit section be inputted respectively given multiple interleaver and transmit the interleaver of use first; And the result of given multiple interleavers and the result of the interleaver transmitting use are first carried out related operation, select the interleaver that correlation is minimum.Correlation between two interleavers illustrates the pitch difference of same input bit after two interleaver process export, and correlation is less, and pitch difference is larger.When selecting to transmit different interleavers from first-selection, selecting the interleaver that pitch difference is large, being conducive to the interval widening error bit, be therefore conducive to improving error-correcting performance, improve coding gain.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an interweaving retransmission device, this device comprises three branch roads of 1/3Turbo encoder, and three branch roads process retransmission information bit respectively, and the first branch road directly exports retransmission information bit; Second branch road comprises component encoder; 3rd branch road comprises interleaver and component encoder; It is characterized in that,
The component encoder of the second branch road for receiving the retransmission information bit of the second branch road, process and output encoder after information bit;
The interleaver of the 3rd branch road, for receiving the retransmission information bit of the 3rd branch road, processes and information bit after the intertexture exported; The component encoder of the 3rd branch road receives the information bit after this intertexture, process information bit after output encoder; Wherein, the interleaver of the 3rd branch road is different from the interleaver adopted when described retransmission information bit transmits first.
2. an interweaving retransmission device, this device comprises three branch roads of 1/3Turbo encoder, and three branch roads process retransmission information bit respectively, and the first branch road directly exports retransmission information bit; Second branch road comprises component encoder; 3rd branch road comprises interleaver and component encoder; It is characterized in that, the second branch road comprises interleaver further;
The interleaver of the second branch road, for receiving the retransmission information bit of the second branch road, processes and exports the information bit after interweaving; The component encoder of described second branch road receive this second branch road interleaver interweave after information bit, process information bit after output encoder;
The interleaver of the 3rd branch road, for receiving the retransmission information bit of the 3rd branch road, processes and information bit after the intertexture exported; The component encoder of the 3rd branch road receive the 3rd branch road interleaver interweave after information bit, process information bit after output encoder.
3. device according to claim 2, is characterized in that,
The interleaver of described 3rd branch road is different from the interleaver adopted when described retransmission information bit transmits first.
4. an interweaving retransmission device, this device comprises three branch roads of 1/3Turbo encoder, and three branch roads process retransmission information bit respectively, and the first branch road directly exports retransmission information bit; Second branch road comprises component encoder; 3rd branch road comprises interleaver and component encoder; It is characterized in that, this device comprises the second interleaver further;
Described second interleaver, for receiving retransmission information bit, the information bit after interweaving also is inputted the component encoder of the second branch road and the interleaver process of the 3rd branch road by process respectively;
The component encoder of the second branch road for the information bit after receiving the second interleaver and interweaving, process information bit after output encoder;
The interleaver of the 3rd branch road is for receiving the information bit after the second interleaver intertexture, process and export the information bit after interweaving, the component encoder of the 3rd branch road receive the 3rd branch road interleaver interweave after information bit, process information bit after output encoder.
5. device according to claim 4, is characterized in that, the second branch road comprises interleaver further;
The interleaver of the second branch road, for receiving the information bit after the second interleaver intertexture, processes and exports the information bit after interweaving; The component encoder of described second branch road receive this second branch road interleaver interweave after information bit, process information bit after output encoder.
6. based on an intertexture repeating method for interweaving retransmission device as claimed in claim 1, it is characterized in that, when retransmitting, the method comprises:
Retransmission information bit enters 1/3Turbo encoder;
Described retransmission information bit directly exports at the first branch road; And on the second branch road, described retransmission information bit is entered as constituent encoder process, the information bit after output encoder; And on the 3rd branch road, described retransmission information bit first inputs interleaver process, and result is entered as constituent encoder process again, the information bit after component encoder output encoder; Wherein, the interleaver of described 3rd branch road is different from the interleaver adopted when described retransmission information bit transmits first.
7. based on an intertexture repeating method for interweaving retransmission device as claimed in claim 2, it is characterized in that, when retransmitting, the method comprises:
Retransmission information bit enters 1/3Turbo encoder;
Described retransmission information bit directly exports at the first branch road; And on the second branch road, described retransmission information bit first inputs the second branch road interleaver process, result inputs the second branch road component encoder process again, the information bit after the second branch road component encoder output encoder; And on the 3rd branch road, described retransmission information bit first inputs the 3rd branch road interleaver process, result inputs the 3rd branch road component encoder process again, the information bit after the 3rd branch road component encoder output encoder.
8. method according to claim 7, is characterized in that,
The interleaver of described 3rd branch road is different from the interleaver adopted when described retransmission information bit transmits first.
9. based on an intertexture repeating method for interweaving retransmission device as claimed in claim 4, it is characterized in that, when retransmitting, the method comprises:
Retransmission information bit enters 1/3Turbo encoder
Described information bit directly exports at the first branch road;
Second interleaver receives and processes described retransmission information bit, and the information bit after interweaving is inputted the component encoder of the second branch road and the interleaver of the 3rd branch road respectively; On the second branch road, the information bit that the second branch road component encoder process receives, the check bit after output encoder; On the 3rd branch road, the information bit that the 3rd branch road interleaver process receives, result inputs the 3rd branch road component encoder again, the 3rd branch road component encoder process information bit after output encoder.
10. method according to claim 9, is characterized in that, the second branch road comprises interleaver further;
The interleaver of the second branch road is for the information bit after receiving the second interleaver and interweaving, and the information bit after interweaving also is sent to the component encoder process of described second branch road by process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010003383.XA CN102130757B (en) | 2010-01-19 | 2010-01-19 | Interweaving retransmission device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010003383.XA CN102130757B (en) | 2010-01-19 | 2010-01-19 | Interweaving retransmission device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102130757A CN102130757A (en) | 2011-07-20 |
| CN102130757B true CN102130757B (en) | 2015-07-29 |
Family
ID=44268657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010003383.XA Expired - Fee Related CN102130757B (en) | 2010-01-19 | 2010-01-19 | Interweaving retransmission device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102130757B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113973388A (en) * | 2020-07-22 | 2022-01-25 | 维沃移动通信有限公司 | Method, terminal and network side equipment for canceling transmission |
| CN114679241A (en) * | 2020-12-24 | 2022-06-28 | 华为技术有限公司 | Communication method and device based on hybrid automatic repeat request (HARQ) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101065910A (en) * | 2004-11-30 | 2007-10-31 | 三星电子株式会社 | Apparatus and method for interleaving channels in a mobile communication system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7536624B2 (en) * | 2002-01-03 | 2009-05-19 | The Directv Group, Inc. | Sets of rate-compatible universal turbo codes nearly optimized over various rates and interleaver sizes |
| EP2034613A4 (en) * | 2006-05-17 | 2009-08-12 | Nec Corp | Turbo encoder and harq processing method applied for the turbo encoder |
-
2010
- 2010-01-19 CN CN201010003383.XA patent/CN102130757B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101065910A (en) * | 2004-11-30 | 2007-10-31 | 三星电子株式会社 | Apparatus and method for interleaving channels in a mobile communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102130757A (en) | 2011-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101836387B (en) | Computationally efficient convolutional coding with rate-matching | |
| CN101803208B (en) | Multi-layer cyclic redundancy check code in wireless communication system | |
| CN102355341B (en) | Network coding method of hybrid automatic request retransmission for long-term evolution system | |
| US7251285B2 (en) | Method and apparatus for transmitting and receiving using turbo code | |
| CN101217352B (en) | A buffering setting method of phase rate matching | |
| CN101710850B (en) | Convolution Turbo encoding method and device for realizing encoding method | |
| CN101572554B (en) | Method and device for generating code-rate-compatible LDPC codes and HARQ scheme | |
| JP2002051030A5 (en) | ||
| CN102694636B (en) | Adopt sending, receiving method and the system of the HARQ technology of fountain codes | |
| CN104253616A (en) | Method and apparatus to generate multiple CRCs | |
| CN108400844A (en) | Method, apparatus, communication equipment and the communication system of information processing | |
| CN101227259A (en) | Method for data reading of limited length circulating buffer memory rate adaption | |
| CN105991227A (en) | Data encoding method and apparatus | |
| CN103067137A (en) | Multicast retransmission method based on network codes | |
| CN103069728A (en) | Method and device for relaying in a communication network | |
| CN101420291A (en) | Combined decoding method for network and channel code in relay system | |
| CN104135345A (en) | Cross-layer coding and decoding method applied to long-term evolution system | |
| CN102089985A (en) | Apparatus and method for transmitting data using a CTC (Convolutional Turbo Code) encoder in a mobile communication system | |
| CN102130757B (en) | Interweaving retransmission device and method | |
| CN103560798A (en) | Encoding and decoding method of new type LDPC-based hybrid Turbo structure code | |
| CN102308507B (en) | Wireless communication apparatus | |
| CN102244561B (en) | Relay transmission method applied to multiple access relay network | |
| CN112753178B (en) | Bit selection for hybrid automatic repeat request | |
| CN101674091B (en) | Network coding method based on Turbo decoding | |
| CN107196733B (en) | Modulation method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20170119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |