Computer Science – Information Theory
Scientific paper
2006-07-11
Europhys. Lett. 76 (2006) 1193-1199
Computer Science
Information Theory
7 pages, 2 figures
Scientific paper
10.1209/epl/i2006-10380-5
An approach by which 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 enables us to handle a wider class of CDMA systems beyond the basic model reported by Tanaka. The utility of the novel scheme is shown by analyzing a system in which the generation of signature sequences is designed for enhancing the orthogonality.
Kabashima Yoshiyuki
Takeda Koujin
Uda Shinsuke
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