A random access scheme with physical-layer network coding and user identification

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Abstract

A slotted random access scheme is proposed that is based on physical-layer network coding. The scheme uses signature codes that enable the receiver to detect which users are active in each round and which linear combination of pckets is received. Feedback enables in each round, one of the users to drop a packet, keeping the queue sizes lmited. It is proven that for a broad class of feedback mechanisms the scheme is stable in the sense that the receiver can eventually decode all packets. Numerical results demonstrate that the scheme performs well in terms of the expected queue size, the maximum delay as well as the expected number of retransmissions per packet.
Original languageUndefined
Title of host publicationIEEE International Conference on Communications Workshops, ICC 2014
Place of PublicationUSA
PublisherIEEE Communications Society
Pages507-512
Number of pages6
ISBN (Print)978-1-4799-4640-2
DOIs
Publication statusPublished - 10 Jun 2014
EventIEEE International Conference on Communications, ICC 2014 - Sydney, Australia
Duration: 10 Jun 201414 Jun 2014

Publication series

Name
PublisherIEEE Communications Society

Conference

ConferenceIEEE International Conference on Communications, ICC 2014
Abbreviated titleICC
CountryAustralia
CitySydney
Period10/06/1414/06/14

Keywords

  • EWI-25571
  • METIS-309816
  • IR-93650

Cite this

Goseling, J. (2014). A random access scheme with physical-layer network coding and user identification. In IEEE International Conference on Communications Workshops, ICC 2014 (pp. 507-512). USA: IEEE Communications Society. https://doi.org/10.1109/ICCW.2014.6881249