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	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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