Capacity analysis of two-user opportunistic scheduling for wireless network coding

Authors:
Poramate Tarasak;Ubolthip Sethakaset;Sumei Sun
Affiliations:
Institute for Infocomm Research, Agency for Science Technology and Research, Singapore;Institute for Infocomm Research, Agency for Science Technology and Research, Singapore;Institute for Infocomm Research, Agency for Science Technology and Research, Singapore
Venue:
ISIT'09 Proceedings of the 2009 IEEE international conference on Symposium on Information Theory - Volume 4
Year:
2009

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Abstract

This paper provides an analytical formulation of average capacity and outage capacity for two-user opportunistic scheduling for wireless network coding (OWNC). It is shown that our derived capacity formulas can be easily evaluated without numerical integration and match exactly with the simulation results. At high SNR, it is shown that the average capacity of OWNC is double of logarithm (base 2) of average SNR subtracted by a loss term composed of the 'scheduling loss' and 'concavity loss' factors.