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In this paper, analytical models are proposed to study the performance of amplify-and-forward (AF) multi-branch multi-hop (MBMH) wireless relay systems (WRS) over log-normal fading channels. The presented analytical models are used to estimate the end-to-end performance of the MBMH WRS with maximal ratio combining (MRC) and selection combining (SC) schemes. In particular, we derive closed-form expressions...
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