ERROR PROBABILITY EVALUATION OF MULTIUSER WIRELESS SYSTEM OVER GENERALIZED FADING ENVIRONMENT

Jelena Anastasov, Aleksandra Cvetković

DOI Number
Array
First page
137
Last page
146

Abstract


The brief bit error rate (BER) analysis of dual-hop amplify-and-forward relaying systems in the extended generalized K fading environment is presented in this paper. Assuming N nonidentical dual hops together with direct link between transmitter and receiver and maximal-ratio combining at the destination, the novel lower bound BER analytical expression is derived. The presented results illustrate that the BER lower bound is relatively tight to the obtained numerical integration and Monte Carlo simulation results. In some special cases, new derived expression is simplified to the ones previously reported in literature. This expression is utilized for determining the effects of fading and shadowing phenomena, as well as the number of relays on BER performance and can be used in designing contemporary mobile systems.

Keywords

bit error rate, cooperative systems, diversity reception, fading channel, noise, shadowing

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References


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