期刊文献+

深空通信中码率兼容原模图LDPC码的设计 被引量:1

下载PDF
导出
摘要 针对深空通信信道的时变特性,文章基于ARAPA原模图提出了一种适用于深空通信的码率兼容LDPC码的构造方法。这种码率兼容的LDPC码字采用矩阵扩展的方法构造,具有较低的译码门限,从而更有利于降低误码平层。此外,对ARAPA原模图分两次进行拓展,使得所构造的码率兼容LDPC码的校验矩阵具有准循环特性,从而能够进行高速的译码。仿真结果表明:与基于AR4JA原模图构造的码率兼容LDPC码相比,文章构造的码率兼容LDPC码的性能尽管与之相近,但是其具有更低的译码门限和译码计算复杂度,尤其是在高码率时具有更优越的性能,在BER为时可获得大约0.2d B的性能增益。
出处 《广东通信技术》 2016年第5期41-45,共5页 Guangdong Communication Technology
  • 相关文献

参考文献13

  • 1Orange Book. Experimental specifications, Low density parity check codes for use inNear-Earth and deep space applicationsCCSDS 131.1-O-2[J]. CCSDS, Sept, 2007. 被引量:1
  • 2Gallager R G. Low-density parity-check codes [M]. Cambridge. MA: MI.T Press, 196. 被引量:1
  • 3D.J.C MacKay. Good error-correcting codes based on very sparse matrices[J]. IEEE Transactions on Information Theory 1999,45(2): 399-431. 被引量:1
  • 4Thorpe J. Low-density parity-check (LDPC) codes constructed from protographs[C]/Frech Rep ProgressReport Pasadena, CA.USA: JPL IPN, 2003:42-254. 被引量:1
  • 5Divsalar D, Jones C, Thorpe J. Protograph based LDPC codes with minimum distance linearly growing withblock size[C]//IEEE.IEEE Communications Societysubject. ST, louis: IEEEGIobecom, 2005:1152-1156. 被引量:1
  • 6Ha J, Kim J, McLaughlin S W. Rate-compatible puncturing of low-density parity-check codes[J]. Information Theory, IEEE Transactions on, 2004, 50(11 ): 2824-2836. 被引量:1
  • 7Nguyen T V, Nosratinia A, Divsalar D. The design of rate- compatible protograph LDPC codes[J]. Communications, IEEE Transactions on, 2012, 60(10): 2841-2850. 被引量:1
  • 8夏国江,孙辉先,熊蔚明.一族适用于空间通信的原型图LDPC码[J].兵工学报,2009,30(11):1546-1552. 被引量:2
  • 9Yazdani M R, Banihashemi A H. On construction of rate-compatible low-density parity-check codes[J]. Communications Letters, IEEE, 2004, 8(3): 159-161. 被引量:1
  • 10Li J, Narayanan K R. Rate-compatible low density parity check codes for capacity-approaching ARQ schemes in packet data communications[C]// Communications, lnternet,and Information Technology. 2002: 201-206. 被引量:1

二级参考文献15

  • 1Richardson T J, Shokrollahi M A, Urbanke R L. Design of capacity-approach-ing irregular low-density parity-check codes [J ]. IEEE Trans inf Theory, 2001 : 619 - 637. 被引量:1
  • 2Fong W. White paper for low density parity check (LDPC) codes for CCSDS channel coding blue book[C]//CCSDS PIB Channel Coding Meeting. Houston: 2002, 10. 被引量:1
  • 3NASA JPL. Low density parity check codes for us-e in near-earth and deep space applic-ations, experimental speeifica-tion[ R]. Issue 2 September 2007 CCSDS 131. 1-O-2. 被引量:1
  • 4Thorpe J. Low density parity check (LDPC) codes constructed from protographs [ R/OL ]. [ 2008-03-18 ]. http://cdpc-eodes. com/papers/154 c. pdf. 被引量:1
  • 5Richardson T J. Multi-edge type LDPC codes[C]//Presented at the Work-shop Honoring Prof. Bob McEliece on His 60th Birthday. California: California Institute of Technology, 2002, 3:24-25. 被引量:1
  • 6Richardson T J, Urbanke R. Modem coding theory[M]. Preliminary Version. Cambridge: Cambridge University 6 Press, 2007, 11:384 - 391. 被引量:1
  • 7Abbasiar A, Divsalar D, Yao K. Accumulate repeat accumulate eodes[C]//IEEE Globecom. Dallas: 2004:509 - 513. 被引量:1
  • 8Liva G, Song S, Lan L, et al. Design of LDPC codes: a survey and new results[C/OL]. [2008-03-25]. http://www, ece. arizona. edu. -- ryanf publications/jcomss- final, pdf. 被引量:1
  • 9Brink S, Kramer G, Ashikhmin A. Design of low-density paritycheck codes for modulation and detection[J]. IEEE Trans. Commun, 2004:670 - 678. 被引量:1
  • 10Divsalar D. Ensemble weight enumerators for protograph LDPC eodes[C]//IEEE ISIT 2006. Seattle: 2006:1554 - 1558. 被引量:1

共引文献1

同被引文献15

引证文献1

二级引证文献1

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部