Performance of Adaptive Linear Physical Layer Network Coding

Konferenz: European Wireless 2014 - 20th European Wireless Conference
14.05.2014 - 16.05.2014 in Barcelona, Spain

Tagungsband: European Wireless 2014

Seiten: 6Sprache: EnglischTyp: PDF

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Burr, Alister; Fang, Dong (Dept. of Electronics, University of York, York, U.K.)

We consider linear mapping functions for physical layer network coding (PNC), using a generalised description of linear mapping on some arbitrary algebraic structure. We show that a ring is a sufficient structure for this purpose, and consider the requirements for the coefficients used in the linear functions. We consider both rings based on integers and rings based on binary matrices. We then consider the performance of the mappings in the two-way relay channel using QPSK as an example, and evaluate the information loss in terms of the equivocation at the destination as a function of the relative fading of the two channels. Hence we determine the outage probability of the schemes.