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Journal of the Korean Institute of Electromagnetic and Science 2005;5(4):166-171.
A New Complementary Quadriphase Jacket Sequence with Good Cross Correlation
Jia Hou1, Kwang-Jae Lee2, Moon-Ho Lee1
1Dept. of Information and Communication, Chonbuk National University
2Dept. of Multimedia, Information and Telecommunication, Hanlyo University
Abstract
In this paper, a set of new complementary quadriphase sequences based on Jacket matrix is proposed. It is with a good zero cross correlation zone and efficiently eliminates the inter-user interferences for CDMA systems. Unlike the conventional complementary sequence designs, the proposed sequences can be easily extended to large odd and even sizes by using a fast linear transform for multi-user communication systems. The computer simulation shows that the proposed sequences have better performance than conventional multi-user spreading CDMA systems using ZCZ sequence.
Key words: CDMA, Complementary Quadriphase Jacket Sequence, Hadamard
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