9 Citations (Scopus)

Abstract

Based on the concept of reconfigurable antennas (RAs), space-shift keying (SSK)-RA has been recently proposed as a novel transmission scheme to improve the performance of SSK. In this context, it has been shown that RAs' reconfigurable properties can be used as additional degrees of freedom to enhance the throughput, implementation complexity, and error performance of SSK. In this paper, we study the implementation of SSK-RA within underlay cognitive radio systems in an effort to improve the performance of the secondary user while verifying the constraints set by the primary user (PU). Taking advantage of the interplay between RAs and the propagation channels for both the secondary and interference links, we propose an RA-based scheme with beam-direction reconfiguration aiming at improving the secondary system's performance while verifying an outage interference constraint to the PU. In this paper, we analyze the performance of the proposed scheme in Rician fading channels and provide simulation examples confirming these analytical results. The proposed schemes are shown to offer enhanced bit error rate performance and lower implementation complexity when compared with conventional antenna-based spectrum sharing systems.

Original languageEnglish
Article number7509637
Pages (from-to)3970-3980
Number of pages11
JournalIEEE Transactions on Communications
Volume64
Issue number9
DOIs
Publication statusPublished - 1 Sep 2016

Fingerprint

Antennas
Radio systems
Cognitive radio
Outages
Fading channels
Bit error rate
Telecommunication links
Throughput

Keywords

  • Antenna states
  • reconfigurable antennas
  • Rician fading
  • space shift keying
  • spectrum sharing systems

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Reconfigurable Antenna-Based Space-Shift Keying for Spectrum Sharing Systems under Rician Fading. / Bouida, Zied; El-Sallabi, Hassan; Abdallah, Mohamed; Ghrayeb, Ali; Qaraqe, Khalid.

In: IEEE Transactions on Communications, Vol. 64, No. 9, 7509637, 01.09.2016, p. 3970-3980.

Research output: Contribution to journalArticle

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