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| Outage Probability of Multihop Cooperative Diversity System over Nakagami Fading Channels |
| Cheng Wei-jun; Zhu Bo-cheng |
| Department of Electronics, Peking University, Beijing 100871, China |
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Abstract This paper investigates the outage performance of the cooperative diversity systems for multi-hop wireless networks over Nakagami fading channels. Their closed-form expressions of the regenerative outage probability are derived, and the diversity orders are achieved at high Average Signal-to-Noise Ratio (ASNR) in terms of the single relaying node case and multiple relaying nodes case. The theoretical analysis and simulation results show that the cooperative systems can offer the full-route diversity at some given manners, and their diversity order is the sum of the full route diversities, not the sum of all cooperative nodes, however, the diversity order of each route is determined by the smaller one between that of the two hops.
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Received: 30 September 2005
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2006, Vol. 28 
