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Algorithms and implementation of long euclidean-geometry LDPC codes for space communications
Ma, Mingxiao; An, Junshe
Department空间技术部
2015
Pages100-104
Language英语
ISBN9781467368506
AbstractThe encoding technique of long Euclidean-geometry LDPC codes is studied to meet the need of space missions. Firstly, the encoding algorithm is analyzed. The parity-check matrix is constructed by the incidence vector of points and lines in Euclidean geometry. The method for computing generator matrix is derived from solving matrix equation over GF(2). Secondly, according to the characteristics of quasi-cyclic matrix, a new encoding circuit of using feedback shift registers is proposed. Last, serial encoding circuit for resource-optimization and parallel encoding circuit for speed-optimization are designed respectively and implemented on Xilinx XC4V SX55 FPGA, with both reaching high encoding speed. The results show that the encoding scheme in this paper performs efficiently enough for space communications. © 2015 IEEE.
Conference Name2015 2nd International Conference on Information Science and Control Engineering, ICISCE 2015
Conference DateApril 24, 2015 - April 26, 2015
Conference PlaceShanghai, China
Indexed ByEI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4546
Collection空间技术部
Recommended Citation
GB/T 7714
Ma, Mingxiao,An, Junshe. Algorithms and implementation of long euclidean-geometry LDPC codes for space communications[C]:Institute of Electrical and Electronics Engineers Inc.,2015:100-104.
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