Outage capacity of bidirectional relaying in cognitive relay networks

Ala Abu Alkheir, Zied Bouida, Khalid Qaraqe, Mohamed Ibnkahla

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This article studies the outage capacity of bidirectional relaying using Decode and Forward (DF) in cognitive relay networks. We consider a communication system where two sources attempt to exchange their messages through a set of cognitive relay nodes. Only relays with successful decoding and spectrum acquisition ar allowed to participate in the broadcast phase (BC). We consider two schemes for selecting the relays in the BC phase. In the first scheme, successfully decoding at least one of the two signals allows a relay to participate, while the second scheme requires successful decoding of both signals for a relay to participate. Simulation results illustrate the performance advantage of the first scheme for low SNR values. Furthermore, we use high SNR approximations in deriving closed from expressions for the outage capacity.

Original languageEnglish
Title of host publication2010 2nd International Conference on Communications and Networking, ComNet 2010
DOIs
Publication statusPublished - 1 Dec 2010
Event2010 2nd International Conference on Communications and Networking, ComNet 2010 - Tozeur, Tunisia
Duration: 4 Nov 20107 Nov 2010

Publication series

Name2010 2nd International Conference on Communications and Networking, ComNet 2010

Other

Other2010 2nd International Conference on Communications and Networking, ComNet 2010
CountryTunisia
CityTozeur
Period4/11/107/11/10

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ASJC Scopus subject areas

  • Computer Networks and Communications
  • Communication

Cite this

Alkheir, A. A., Bouida, Z., Qaraqe, K., & Ibnkahla, M. (2010). Outage capacity of bidirectional relaying in cognitive relay networks. In 2010 2nd International Conference on Communications and Networking, ComNet 2010 [5699819] (2010 2nd International Conference on Communications and Networking, ComNet 2010). https://doi.org/10.1109/COMNET.2010.5699819