Recursive generation of constant amplitude multi-code DS-CDMA signal

被引：14
|
作者：
Kim, YC [1 ]
机构：
[1] Seoul Natl Univ, Dept Elect & Comp Engn, Seoul 130743, South Korea
来源：
ELECTRONICS LETTERS | 2003年 / 39卷 / 25期
关键词：
D O I：
10.1049/el:20031148
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A constant amplitude multi-code CDMA scheme, which achieves an information rate of (3/4)(K) for any K, while Wada's method works only for 3/4 (K = 1) and 9/16 (K = 2), is presented. It has a recursive structure such that the input at the top-level encoder continues to be divided into three groups and lets the lower-level encoder handle the divided input. Finally, groups of three bits are separately encoded at the basic-level encoders and then are spread in combination by pseudo-orthogonal matrix into constant amplitude signal.
引用
收藏
页码：1782 / 1783
页数：2
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