LDPC码的快速编码研究

• Original Articles • Previous Articles Next Articles

Study of efficient encoding of LDPC codes

WANG Peng;WANG Xin-mei

(State Key Lab. of Integrated Service Networks, Xidian Univ., Xi'an 710071, China)

Received:1900-01-01 Revised:1900-01-01 Online:2004-12-20 Published:2004-12-20

Abstract

Abstract: The efficient encoding problem of LDPC codes is studied. Based on the decoding algorithm for LDPC codes under erasure channels and the sparseness of their parity-check matrices, an efficient encoding method for LDPC codes is described and further explained via two classes of linearly encode-able codes. The practical implementation of this method is discussed in detail and two code construction approaches are presented. Simulation results show that the LDPC codes constructed here work no worse than random ones under AWGN channels.

Key words: LDPC codes, erasure channel, efficient encoding, AWGN channel

CLC Number:

TN911.22

WANG Peng;WANG Xin-mei.

Study of efficient encoding of LDPC codes

[J].J4, 2004, 31(6): 934-938.

[1]	ZHOU Shenyang,BAI Baoming,REN Zhaofeng,ZHU Min,LI Binghao,TANG Ruibo. Study on belief propagation list decoding of concatenated polar codes with high throughput [J]. Journal of Xidian University, 2020, 47(6): 58-65.
[2]	SUN Yue,LI Beilei,LIANG Caihong,LI Ying. Design of serial connecting multiple spatially coupled LDPC codes for block-fading channels [J]. Journal of Xidian University, 2019, 46(2): 1-5.
[3]	ZHANG Zhaoji;LI Ying. Asymmetric spatially-coupled LDPC codes for burst erasure channels [J]. Journal of Xidian University, 2017, 44(5): 1-6.
[4]	SUN Cheng;XU Hengzhou;FENG Dan;BAI Baoming;ZHANG Yulong. LDPC codes constructed from resolvable group divisible designs [J]. Journal of Xidian University, 2017, 44(3): 31-35+42.
[5]	LIU Yang;LI Jing'e;LI Ying. Design of bilayer lengthened LDPC codes for decode-and-forward in relay channels [J]. J4, 2014, 41(5): 13-17.
[6]	LIN Wei;BAI Baoming;WANG Xuepeng. Dynamic extended mim-sum decoding algorithm for Q-ary LDPC codes [J]. J4, 2012, 39(2): 59-65.
[7]	XIAO Heling;CAI Ning;WANG Xiao. Application of quantum LDPC codes to quantum key distribution [J]. J4, 2012, 39(2): 8-11+23.
[8]	HE Guanghua;BAI Baoming;LI Bo;LIN Wei. FPGA implementation of a non-binary LDPC decoder using the EMS algorithm [J]. J4, 2011, 38(5): 27-33.
[9]	HU Shukai;WANG Xinmei. Simplified decoding algorithm for LDPC over GF(q) [J]. J4, 2011, 38(2): 8-12+196.
[10]	ZHOU Lin;BAI Baoming;SHAO Junhu;LIN Wei. On nonbinary rate-compatible LDPC codes [J]. J4, 2011, 38(1): 147-152.
[11]	SUN Rong;LIU Jing-wei;WANG Xin-mei;MU Jian-jun. Analysis of the bound performance of systematic regular RA codes in the BEC Channel [J]. J4, 2008, 35(4): 712-715.
[12]	WU Xiao-li1;2;GE Jian-hua1;WANG Yong1. Performance of non-binary concatenated coded OFDM systems [J]. J4, 2008, 35(3): 459-463.
[13]	WANG Dan;TONG Sheng;LI Ying;WANG Xin-mei. A fast convergence decoding algorithm for LDPC codes [J]. J4, 2005, 32(1): 103-107.
[14]	TONG Sheng;WANG Peng;WANG Dan;WANG Xin-mei. Efficient implementation of the sum-product algorithm for quantized decoding of LDPC codes [J]. J4, 2004, 31(5): 709-713.

Study of efficient encoding of LDPC codes

Like

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 14

Metrics

Comments

Recommended 4