| Issue |
Europhys. Lett.
Volume 76, Number 6, December 2006
|
|
|---|---|---|
| Page(s) | 1193 - 1199 | |
| Section | Interdisciplinary physics and related areas of science and technology | |
| DOI | https://doi.org/10.1209/epl/i2006-10380-5 | |
| Published online | 16 November 2006 | |
Analysis of CDMA systems that are characterized by eigenvalue spectrum
1
Department of Computational Intelligence and Systems Science Tokyo Institute of Technology - Yokohama 2268502, Japan
2
The Institute of Japanese Union Scientists & Enginners 5-10-11 Sendagaya, Shibuyaku, Tokyo 1510051, Japan
Received:
11
July
2006
Accepted:
19
October
2006
An approach to analyze the performance of the code division multiple access (CDMA) scheme, which is a core technology used in modern wireless communication systems, is provided. The approach characterizes the objective system by the eigenvalue spectrum of a cross-correlation matrix composed of signature sequences used in CDMA communication, which enable us to handle a wider class of CDMA systems beyond the basic model reported by Tanaka in Europhys. Lett., 54 (2001) 540. The utility of the scheme is shown by analyzing a system in which the generation of signature sequences is designed for enhancing the orthogonality.
PACS: 84.40.Ua – Telecommunications: signal transmission and processing; communication satellites / 75.10.Nr – Spin-glass and other random models / 89.70.+c – Information theory and communication theory
© EDP Sciences, 2006
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