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

Wang, Gengkun and 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. ISSN 1536-1276

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Abstract

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.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: © 2012 IEEE. Permanent restricted access to published version due to publisher copyright policy.
Faculty / Department / School: Current - Faculty of Health, Engineering and Sciences - School of Mechanical and Electrical Engineering
Date Deposited: 19 Nov 2014 05:22
Last Modified: 05 Jul 2016 05:41
Uncontrolled Keywords: multi-hop wireless network coding; multi-hop two-way relay channels; outage probability; analog network coding; compute-and-forward network coding
Fields of Research : 08 Information and Computing Sciences > 0803 Computer Software > 080302 Computer System Architecture
10 Technology > 1005 Communications Technologies > 100503 Computer Communications Networks
10 Technology > 1005 Communications Technologies > 100510 Wireless Communications
Socio-Economic Objective: B Economic Development > 89 Information and Communication Services > 8902 Computer Software and Services > 890202 Application Tools and System Utilities
Identification Number or DOI: 10.1109/TWC.2014.2336652
URI: http://eprints.usq.edu.au/id/eprint/26198

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