Bit Error Rate Calculation for Multi-User Coherent Chaos-Shift-Keying Communication Systems(<Special Section>Nonlinear Theory and its Applications)

概要

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Analytical derivation of bit error rates for multi-user coherent chaos-shift-keying (CSK) communication systems are presented in this paper. Nearly exact results are obtained by applying the central limit theorem of statistics to sums of independent variables. Based on x^2 distribution approximations, more viable but still very accurate results decrease complexity of the calculations. The x^2 approach is compared with the widely used Gaussian approximation approach to show its superiority in most cases. Bit error performance bounds for the multi-user CSK system from the approach are deduced as further contributions of this paper. The theoretical results obtained are entirely consistent with a range of simulations.
社団法人電子情報通信学会の論文
2004-09-01