Error rate performance analysis of dual-hop relaying transmissions over generalized-K fading channels |
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| Authors: | Christos K. Datsikas Kostas P. Peppas Fotis I. Lazarakis George S. Tombras |
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| Affiliation: | 1. Department of Electronics, Computers, Telecommunications and Control, Faculty of Physics, University of Athens, 15784, Greece;2. Laboratory of Wireless Communications, Institute of Informatics and Telecommunications, National Center for Scientific Research–“Demokritos,” Agia Paraskevi, GR-15310 Athens, Greece |
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| Abstract: | In this paper we present analytical expressions for the lower bounds of the error performance of dual-hop amplify-and-forward transmissions over independent and not necessarily identical Generalized-K fading channels. Using a tight upper bound for the end-to-end SNR, a novel expression for the probability density function is derived. Based on the abovementioned formula, tight lower bounds for the average bit error probability for a variety of modulation schemes are derived. In order to validate the accuracy of the proposed mathematical analysis, various numerical and computer simulation results are presented. |
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| Keywords: | Multi-hop networks Dual-hop systems Non-regenerative relays Generalized-K fading Average bit error probability |
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