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Facta universitatis - series: Automatic Control and Robotics
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Error probability evaluation of multiuser wireless system over generalized fading environment
Univeristy of Niš, Faculty of Electronic Engineering, Department of Telecommunications

emailjelena.anastasov@elfak.ni.ac.rs
Project:
Development of new information and communication technologies, based on advanced mathematical methods, with applications in medicine, telecommunications, power systems, protection of national heritage and education (MESTD - 44006)
Reserach and development of solutions for performance improvements of wireless communication systems in microvawe and millimeter frequency bands (MESTD - 32052)

Keywords: bit error rate; cooperative systems; diversity reception; fading channel; noise; shadowing
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.

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article language: English
document type: Paper
published in SCIndeks: 04/08/2017

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