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Performance Analysis of an Opportunistic Relay Selection Protocol for Multi-Hop Networks

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4 Author(s)
Stamatiou, K. ; Dept. of Inf. Eng. (DEI), Univ. of Padova, Padua, Italy ; Chiarotto, D. ; Librino, F. ; Zorzi, M.

We analyze the performance of an interference-aware opportunistic relay selection protocol for multi-hop line networks which is based on the following simple rule: a node always transmits if it has a packet, except when its successive node on the line is transmitting. We derive analytically the saturation throughput and the end-to-end delay for two and three hop networks, and present simulation results for higher numbers of hops. In the case of three hops, we determine the throughput-optimal relay positions.

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Communications Letters, IEEE  (Volume:16 ,  Issue: 11 )