Outage performance for compute-and-forward in generalized multi-way relay channels

Wang, Gengkun and Xiang, Wei and Yuan, Jinhong (2012) Outage performance for compute-and-forward in generalized multi-way relay channels. IEEE Communications Letters, 16 (12). pp. 2099-2102. ISSN 1089-7798


The compute-and-forward (CPF) relaying strategy proposed by Nazer and Gastpar has been proven to achieve a significant improvement in 'computation rate' than conventional relaying strategies in the multiple-access channel (MAC). Although there has been some recent work on the implementations of CPF, to our best knowledge, there is no published work that has analysed the outage performance of CPF for the multi-way relay channel (MWRC). In this paper, we apply the CPF strategy in generalized MWRCs. Outage probabilities for both non-network coding (Non-NC) and CPF are derived. The numerical results show that CPF can achieve a 7 dB gain in comparison with Non-NC at the outage probability of 10-2 in the canonical two-way relay channel. It is also demonstrated that CPF is superior to Non-NC in outage performance in the MWRCs with relatively small number of users.

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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Permanent restricted access to published version due to publisher copyright policy.
Faculty / Department / School: Historic - Faculty of Engineering and Surveying - Department of Electrical, Electronic and Computer Engineering
Date Deposited: 14 Apr 2013 12:32
Last Modified: 05 Jan 2015 04:39
Uncontrolled Keywords: computer-and-forward, multi-way relay channels, outage probability
Fields of Research : 09 Engineering > 0906 Electrical and Electronic Engineering > 090699 Electrical and Electronic Engineering not elsewhere classified
10 Technology > 1005 Communications Technologies > 100510 Wireless Communications
Socio-Economic Objective: E Expanding Knowledge > 97 Expanding Knowledge > 970109 Expanding Knowledge in Engineering
Identification Number or DOI: 10.1109/LCOMM.2012.112012.122273
URI: http://eprints.usq.edu.au/id/eprint/22867

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