Network coding-based block ACK for wireless relay networks.
Vien, Quoc-Tuan and Nguyen, Huan X. and Choi, Jinho and Stewart, Brian and Tianfield, Huaglory (2011) Network coding-based block ACK for wireless relay networks. IEEE Vehicular Technology Conference , 73 . pp. 1-5. ISSN 1090-3038
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This paper considers block acknowledgement (BACK) mechanisms in wireless regenerative relay networks. Conventionally, a total of (2N + 1) BACK packets are required in wireless regenerative N-relay networks to acknowledge the data transmission between the source and destination via the relays. In this paper, based on network coding (NC) we propose an efficient BACK scheme to significantly reduce the required acknowledgment load by N BACK packets. Importantly, by deriving the error probability of the determination of the packets to be retransmitted at the source or relays, it is found that the utilised NC helps improve the reliability of BACK transmissions. Furthermore, some asymptotic scenarios of the forward links are considered and a general expression of error probability in multi-relay networks is derived for each scenario. Finally, simulation results are shown to verify the analytical findings
Conference details: 2011 IEEE 73rd Vehicular Technology Conference: VTC2011-Spring; 15-18 May 2011, Budapest, Hungary.
|Research Areas:||School of Science and Technology > Science & Technology|
|Deposited On:||23 Aug 2011 08:13|
|Last Modified:||06 Feb 2013 11:34|
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