Comparison of routing metrics for static multi-hop wireless networks
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A Link-Quality Aware Routing Metric for Multi-hop Wireless Network
ICCSN '09 Proceedings of the 2009 International Conference on Communication Software and Networks
Routing strategies in multihop cooperative networks
IEEE Transactions on Wireless Communications
On the ergodic capacity of multi-hop wireless relaying systems
IEEE Transactions on Wireless Communications
IEEE Transactions on Communications
IEEE Transactions on Wireless Communications
Differential modulation for bidirectional relaying with analog network coding
IEEE Transactions on Signal Processing
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IEEE Transactions on Wireless Communications
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IEEE Transactions on Wireless Communications
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IEEE Transactions on Wireless Communications
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We consider a multihop relay network in which two terminals are communicating with each other via a number of cluster of relays. Performance of such networks depends on the routing protocols employed. In this paper, we find the expressions for the Average Symbol Error Probability ASEP performance of Amplify-and-Forward AF multihop transmission for the simplest routing protocol in which the relay transmits using the channel having the best Signal to Noise Ratio SNR. The ASEP performance of a better protocol proposed in Gui et al. 2009 known as the adhoc protocol is also analyzed. The derived expressions for the performance are a convenient tool to analyze the performance of AF multihop transmission over relay clusters. Monte-Carlo simulations verify the correctness of the proposed formulation and are in agreement with analytical results. Furthermore, we propose new generalized protocols termed as last-n-hop selection protocol, the dual path protocol, the forward-backward last-n-hop selection protocol and the forward-backward dual path protocol, to get improved ASEP performances. The ASEP performance of these proposed schemes is analysed by computer simulations. It is shown that close to optimal performance can be achieved by using the last-n-hop selection protocol and its forward-backward variant. The complexity of the protocols is also studied.