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Linear physical layer network coding for multihop wireless networks | IEEE Conference Publication | IEEE Xplore

Linear physical layer network coding for multihop wireless networks


Abstract:

We consider linear network coding functions that can be employed at the relays in wireless physical layer network coding, applied to a general multi-hop network topology....Show More

Abstract:

We consider linear network coding functions that can be employed at the relays in wireless physical layer network coding, applied to a general multi-hop network topology. We introduce a general model of such a network, and discuss the algebraic basis of linear functions, deriving conditions for unambiguous decodability of the source data at the destination. We consider the use of integer rings, integer fields, binary extension fields and the ring of binary matrices as potential algebraic constructs, and show that the ring constructs provide more flexibility. We use the two-way relay channel and a network containing two sources and two relays to illustrate the concept and to demonstrate the effect of fading of the wireless channels. We show the capacity benefits of the more flexible rings.
Date of Conference: 01-05 September 2014
Date Added to IEEE Xplore: 13 November 2014
Electronic ISBN:978-0-9928-6261-9

ISSN Information:

Conference Location: Lisbon, Portugal

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