Quadrature chaos-shift keying: Theory and performance analysis

被引：177
|
作者：
Galias, Z [1 ]
Maggio, GM
机构：
[1] Univ Calif San Diego, Inst Nonlinear Sci, La Jolla, CA 92093 USA
[2] Stanislaw Staszic Univ Min & Met, Dept Elect Engn, PL-30059 Krakow, Poland
[3] Univ Calif San Diego, Ctr Wireless Commun, La Jolla, CA 92093 USA
[4] STMicroelect Inc, AST, San Diego, CA 92921 USA
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2001年 / 48卷 / 12期
关键词：
DCSK (differential chaos shift keying); Hilbert transform; orthogonal chaotic signals; QCSK (quadrature chaos shift keying);
D O I：
10.1109/TCSI.2001.972858
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：
In this brief, we propose a multilevel version of the differential chaos shift keying (DCSK) telecommunication system. The scheme, that we call quadrature chaos shift keying (QCSK), is based upon the generation of an orthogonal basis of chaotic functions. QCSK is characterized by an increased data rate with respect to DCSK, with the same bandwidth occupation. The price for the performance enhancement is the increased complexity of both the transmitter and the receiver.
引用
收藏
页码：1510 / 1519
页数：10
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