Generalized wireless network coding schemes for multihop two-way relay channels

Wang, Gengkun, Xiang, Wei, and Yuan, Jinhong (2014) Generalized wireless network coding schemes for multihop two-way relay channels. IEEE Transactions on Wireless Communications, 13 (9). pp. 5132-5147.

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Due to the overwhelming complexity of multihop transmission and intermessage interference, only a limited amount of research has been carried out in the implementation of wireless network coding (WNC) for generalized multihop two-way relay channels (MH-TRCs), let alone the generalization of multihop WNC (MH-WNC) schemes. Our recent paper has showed that the MH-WNC scheme with fixed two transmission time intervals (TTIs) was unable to always outperform conventional non-NC schemes in outage performance for the MH-TRC with an arbitrary number of nodes. In view of this fact, a generalized MH-WNC scheme with multiple TTIs is designed for the L-node K-message MH-TRC in this paper. Closed-form expressions for the upper bound of the outage probability for two prominent relaying network coding strategies (i.e., analog network coding and compute-and-forward network coding) are derived. Moreover, by investigating the relationships between the outage probability and the numbers of nodes, messages, and TTIs, we obtain an optimal MH-WNC scheme that can achieve the best outage probability and always outperform non-NC in the MH-TRC with an arbitrary number of nodes.

Item ID: 49319
Item Type: Article (Research - C1)
ISSN: 1558-2248
Keywords: multi-hop wireless network coding, multi-hop two-way relay channels, outage probability, analog network coding, compute-and-forward network coding
Date Deposited: 13 Jun 2017 23:34
FoR Codes: 10 TECHNOLOGY > 1005 Communications Technologies > 100510 Wireless Communications @ 100%
SEO Codes: 89 INFORMATION AND COMMUNICATION SERVICES > 8901 Communication Networks and Services > 890105 Satellite Communication Networks and Services @ 100%
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