On the performance of spectrum sharing two-way relay networks with distributed beamforming

Ali Afana, Ali Ghrayeb, Vahid Asghari, Sofiene Affes

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

3 Citations (Scopus)

Abstract

In this paper, we consider distributed beamforming for two-way spectrum-sharing system in an effort to enhance the performance of the secondary system and improve the bandwidth efficiency. In particular, we consider a cognitive radio network where a set of amplify-and-forward (AF) relays are employed to help a pair of secondary transceivers in the presence of multiple primary receivers. This set of the available relays participate in the beamforming process, where the beamformer weights are obtained via a convex optimization method. We analyze the performance of the proposed methods where closed-form expressions for the end-to-end outage and average error probabilities are derived for independent and identically distributed (i.i.d.) Rayleigh fading channels. Numerical results demonstrate the vitality of beamforming in enhancing the secondary system performance in addition to mitigating the interference to the primary users.

Original languageEnglish
Title of host publication2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2013
Pages365-369
Number of pages5
DOIs
Publication statusPublished - 2013
Externally publishedYes
Event2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2013 - Darmstadt, Germany
Duration: 16 Jun 201319 Jun 2013

Other

Other2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2013
CountryGermany
CityDarmstadt
Period16/6/1319/6/13

Fingerprint

Beamforming
Convex optimization
Rayleigh fading
Cognitive radio
Transceivers
Outages
Fading channels
Bandwidth

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Science Applications
  • Information Systems

Cite this

Afana, A., Ghrayeb, A., Asghari, V., & Affes, S. (2013). On the performance of spectrum sharing two-way relay networks with distributed beamforming. In 2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2013 (pp. 365-369). [6612073] https://doi.org/10.1109/SPAWC.2013.6612073

On the performance of spectrum sharing two-way relay networks with distributed beamforming. / Afana, Ali; Ghrayeb, Ali; Asghari, Vahid; Affes, Sofiene.

2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2013. 2013. p. 365-369 6612073.

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

Afana, A, Ghrayeb, A, Asghari, V & Affes, S 2013, On the performance of spectrum sharing two-way relay networks with distributed beamforming. in 2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2013., 6612073, pp. 365-369, 2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2013, Darmstadt, Germany, 16/6/13. https://doi.org/10.1109/SPAWC.2013.6612073
Afana A, Ghrayeb A, Asghari V, Affes S. On the performance of spectrum sharing two-way relay networks with distributed beamforming. In 2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2013. 2013. p. 365-369. 6612073 https://doi.org/10.1109/SPAWC.2013.6612073
Afana, Ali ; Ghrayeb, Ali ; Asghari, Vahid ; Affes, Sofiene. / On the performance of spectrum sharing two-way relay networks with distributed beamforming. 2013 IEEE 14th Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2013. 2013. pp. 365-369
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