2006•IET International Conference on Wireless Mobile and Multimedia Networks Proceedings (ICWMMN 2006)Requires access

System performance analysis of MRC with unequal power co-channel interference over Nakagami fading channel

Guangjian Wang, Dian‐Wu Yue, Baorong Feng

Abstract

This paper investigates the system performance for a wireless system employing maximal-ratio-combining (MRC) over Nakagami-m fading channel with multiple unequal-power co-channel interferers (CCI). It derives the exact closed-form probability density function (PDF) and moment generating function (MGF) expressions of output signal-to-interference ratio (SIR). Using the PDF and MGF of the output SIR, the system outage probability and average bit-error-rate (BER) for noncoherent and coherent modulation system are obtained. Some numerical examples are given to illustrate the effects of various parameters on the system performance. (4 pages)

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Key concepts: Nakagami distribution, Maximal-ratio combining, Fading, Moment-generating function, Probability density function, Bit error rate, Co-channel interference, Interference (communication)