Effect of the Primary User Traffic on Cognitive Relaying with Adaptive Transmission

Anlei Rao, Hao Ma, Mohamed-Slim Alouini, Yunfei Chen

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

Abstract

In a cognitive-relay system, the secondary user is permitted to transmit data via a relay when the spectrum bands are detected to be free. The miss detection of spectrum sensing and the primary user traffic will affect the data transmission performance of the secondary user. In this paper, we investigate the impact of the status change of the primary user on the bit error rate (BER) of the adaptive transmission of the secondary user in a cognitive-relay system. Numerical results show that the primary user traffic can significantly degrade the BER of the secondary user transmission.
Original languageEnglish (US)
Title of host publication2011 IEEE GLOBECOM Workshops (GC Wkshps)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages992-996
Number of pages5
ISBN (Print)9781467300407
DOIs
StatePublished - Mar 7 2012

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