A class of zero-padded spreading sequences for MAI cancellation in DS-CDMA systems

被引:0
作者
Cha, JS [1 ]
Song, SI [1 ]
Lee, SY [1 ]
Kyeong, MG [1 ]
Tsubouchi, K [1 ]
机构
[1] ETRI, Adv Mat Commun Dept, Yusong Gu, Taejon 305350, South Korea
来源
IEEE 54TH VEHICULAR TECHNOLOGY CONFERENCE, VTC FALL 2001, VOLS 1-4, PROCEEDINGS | 2001年
关键词
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中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, we introduce the generation method Of the 2- and 4-phase preferred pairs (PPs) with ZCD (zero correlation duration) of (0.5N+1) for a period N. Then, the novel 3- and 5-phase PP that have enlarged ZCD of (0.75N+1) are constructed by using the selected zero padding method to the 2- and 4-phase PP. Using the chip-shift operation, the 3- and 5- phase ZCD sequences that have superior family size to the 2- and 4-phase ZCD sequences are derived.
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页码:2379 / 2383
页数:5
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