Distance spectrum and performance of channel-coded physical-layer network coding for binary-input gaussian two-way relay channels

Yang, T; Land, I; Huang, T; Yuan, J; Chen, Z

Distance spectrum and performance of channel-coded physical-layer network coding for binary-input gaussian two-way relay channels

Yang, T

Land, I Huang, T Yuan, J Chen, Z

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Publication Type:: Journal Article
Citation:: IEEE Transactions on Communications, 2012, 60 (6), pp. 1499 - 1510
Issue Date:: 2012-06-01

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Field	Value	Language
dc.contributor.author	Yang, T https://orcid.org/0000-0002-9870-6866	en_US
dc.contributor.author	Land, I	en_US
dc.contributor.author	Huang, T	en_US
dc.contributor.author	Yuan, J	en_US
dc.contributor.author	Chen, Z	en_US
dc.date.issued	2012-06-01	en_US
dc.identifier.citation	IEEE Transactions on Communications, 2012, 60 (6), pp. 1499 - 1510	en_US
dc.identifier.issn	0090-6778	en_US
dc.identifier.uri	http://hdl.handle.net/10453/39573
dc.description.abstract	We investigate a channel-coded physical-layer network coding (CPNC) scheme for binary-input Gaussian two-way relay channels. In this scheme, the codewords of the two users are transmitted simultaneously. The relay computes and forwards a network-coded (NC) codeword without complete decoding of the two users' individual messages. We propose a new punctured codebook method to explicitly find the distance spectrum of the CPNC scheme. Based on that, we derive an asymptotically tight performance bound for the error probability. Our analysis shows that, compared to the single-user scenario, the CPNC scheme exhibits the same minimum Euclidean distance but an increased multiplicity of error events with minimum distance. At a high SNR, this leads to an SNR penalty of at most ln2 (in linear scale), for long channel codes of various rates. Our analytical results match well with the simulated performance. © 2012 IEEE.	en_US
dc.relation.ispartof	IEEE Transactions on Communications	en_US
dc.relation.isbasedon	10.1109//TCOMM.2012.051712.110224	en_US
dc.title	Distance spectrum and performance of channel-coded physical-layer network coding for binary-input gaussian two-way relay channels	en_US
dc.type	Journal Article
utslib.citation.volume	6	en_US
utslib.citation.volume	60	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
utslib.for	0804 Data Format	en_US
utslib.for	1005 Communications Technologies	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - GBDTC - Global Big Data Technologies
utslib.copyright.status	closed_access
pubs.issue	6	en_US
pubs.publication-status	Published	en_US
pubs.volume	60	en_US

Abstract:

We investigate a channel-coded physical-layer network coding (CPNC) scheme for binary-input Gaussian two-way relay channels. In this scheme, the codewords of the two users are transmitted simultaneously. The relay computes and forwards a network-coded (NC) codeword without complete decoding of the two users' individual messages. We propose a new punctured codebook method to explicitly find the distance spectrum of the CPNC scheme. Based on that, we derive an asymptotically tight performance bound for the error probability. Our analysis shows that, compared to the single-user scenario, the CPNC scheme exhibits the same minimum Euclidean distance but an increased multiplicity of error events with minimum distance. At a high SNR, this leads to an SNR penalty of at most ln2 (in linear scale), for long channel codes of various rates. Our analytical results match well with the simulated performance. © 2012 IEEE.

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http://hdl.handle.net/10453/39573