Codebooks from almost difference sets | |
Ding, Cunsheng ; Feng, Tao | |
2008 | |
关键词 | Welch bounds difference sets almost difference sets signal sets codebooks KARYSTINOS-PADOS BOUNDS BINARY SEQUENCES AUTOCORRELATION WELCH |
英文摘要 | In direct spread CDMA systems, codebooks meeting the Welch bounds are used to distinguish among the signals of different users. Recently, constructions of codebooks with difference sets meeting Welch's bound on the maximum cross-correlation amplitude were developed. In this paper, a generic construction of codebooks using almost difference sets is considered and several classes of codebooks nearly meeting the Welch bound are obtained. The parameters of the codebooks constructed in this paper are new.; Computer Science, Theory & Methods; Mathematics, Applied; SCI(E); EI; 0; ARTICLE; 1; 113-126; 46 |
语种 | 英语 |
出处 | EI ; SCI |
出版者 | designs codes and cryptography |
内容类型 | 其他 |
源URL | [http://hdl.handle.net/20.500.11897/249349] ![]() |
专题 | 数学科学学院 |
推荐引用方式 GB/T 7714 | Ding, Cunsheng,Feng, Tao. Codebooks from almost difference sets. 2008-01-01. |
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