By the same authors

Linear physical layer network coding based on rings

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Publication details

Title of host publicationIEEE Wireless Communications and Networking Conference, WCNC
DatePublished - 1 Jan 2014
Pages370-375
Number of pages6
PublisherInstitute of Electrical and Electronics Engineers Inc.
Original languageEnglish
ISBN (Print)9781479930845

Abstract

We consider linear mapping functions for physical layer network coding (PNC), using a generalised description of linear mapping, and considering alternative algebraic structures within which a linear mapping can be defined. We discuss the requirements on a linear mapping for PNC in terms of ensuring unambiguous decoding, and hence consider the requirements this imposes on the coefficients of the linear mapping. We then consider an alternative forms of linear mapping, based on coefficients from rings, and show that this generalizes the more common approach using fields. 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 under the possible singular fade states of the source-relay channels.

    Research areas

  • Galois fields, Linear physical layer network coding, PLNC, PNC, rings, two-way relay channel, TWRC

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