Title :
Implementation of coding and encryption in satellite channel
Author :
Youxin, Xie ; Jin, Chen ; Changgeng, Fu
Author_Institution :
Dept. of Radio Commun., Commun. Eng. Inst., Nanjing, China
Abstract :
An implementation of coding and encryption for data in a low Earth orbit satellite channel is presented. A system of block coding and block cipher is designed to improve the noise performance and for data security, respectively. The Reed-Muller code is adopted as the coding scheme and an improved algorithm based on the Reed algorithm is used as decoding algorithm. A supercipher system combined with a block cipher and a stream cipher is put forward to compensate the shortage of total encryption keys brought about by the short block length of the block cipher. For a system with a bit rate as high as 106 b/s, an EPROM array is used and one search process could implement both the coding and encryption
Keywords :
EPROM; Reed-Muller codes; block codes; channel coding; cryptography; decoding; encoding; satellite communication; telecommunication channels; EPROM array; Reed algorithm; Reed-Muller code; bit rate; block cipher; block length; data coding; data encryption; data security; decoding algorithm; encryption keys; low Earth orbit satellite channel; noise performance; search proces; stream cipher; supercipher system; Artificial satellites; Bit rate; Block codes; Communication system security; Cryptography; Decoding; EPROM; Error correction; Low earth orbit satellites; Satellite communication;
Conference_Titel :
Communication Technology Proceedings, 1996. ICCT'96., 1996 International Conference on
Conference_Location :
Beijing
Print_ISBN :
0-7803-2916-3
DOI :
10.1109/ICCT.1996.545121
