Inner bound capacity analysis of cooperative relay in cognitive radio using information theoretic approach

Rozeha A. Rashid, Norazizah Mohd Aripin, Norsheila Fisal, Sh Kamilah Syed Yusof

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

3 Citations (Scopus)

Abstract

Motivated by the inefficient usage of the licensed spectrum across many frequency bands, cognitive radio (CR) was proposed to promote the spectrum utilization by opportunistically exploiting the existence of spectrum "holes." Under this new paradigm, cognitive (unlicensed) user is allowed unobtrusive access to a channel exhibiting negligible primary (licensed) user activity. Cooperative communication is increasingly regarded as a way to address hidden terminal issues and to improve spatial diversity for the same spectrum frequency band. In this paper, we investigate a cooperative transmission of primary traffic by cognitive users (cognitive relaying). The scenario focuses on one cognitive transmitter which has the option to relay traffic of the primary assuming that the primary is oblivious to its presence and thus exclude the possibility of spectrum leasing. To demonstrate the feasibility and performance of this cooperative relay for CR, numerical analysis based on information theoretic approach is used in order to discuss the advantage and capacity limits of the strategy.

Original languageEnglish
Title of host publicationProceedings - MICC 2009
Subtitle of host publication2009 IEEE 9th Malaysia International Conference on Communications with a Special Workshop on Digital TV Contents
Pages328-331
Number of pages4
DOIs
Publication statusPublished - 01 Dec 2009
Event2009 IEEE 9th Malaysia International Conference on Communications with a Special Workshop on Digital TV Contents, MICC 2009 - Kuala Lumpur, Malaysia
Duration: 15 Dec 200917 Dec 2009

Publication series

NameProceedings - MICC 2009: 2009 IEEE 9th Malaysia International Conference on Communications with a Special Workshop on Digital TV Contents

Other

Other2009 IEEE 9th Malaysia International Conference on Communications with a Special Workshop on Digital TV Contents, MICC 2009
CountryMalaysia
CityKuala Lumpur
Period15/12/0917/12/09

    Fingerprint

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Communication

Cite this

Rashid, R. A., Aripin, N. M., Fisal, N., & Yusof, S. K. S. (2009). Inner bound capacity analysis of cooperative relay in cognitive radio using information theoretic approach. In Proceedings - MICC 2009: 2009 IEEE 9th Malaysia International Conference on Communications with a Special Workshop on Digital TV Contents (pp. 328-331). [5431523] (Proceedings - MICC 2009: 2009 IEEE 9th Malaysia International Conference on Communications with a Special Workshop on Digital TV Contents). https://doi.org/10.1109/MICC.2009.5431523