Title :
Interference and outage analysis in a cognitive radio network with beacon
Author :
Derakhshani, Mahsa ; Le-Ngoc, Tho ; Vu, Mai
Author_Institution :
Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, QC, Canada
Abstract :
This paper presents a study on the interference caused by Secondary Users (SUs) due to miss-detection and its effects on the capacity-outage performance of the Primary User (PU) in a cognitive network with beacon. Investigation by simulation indicates that a Gamma distribution can be used to characterize the total interference power from the SUs, and tight upper-bounds on its mean and variance are derived. Based on these results, a closed-form expression of the capacity-outage probability of the PU is developed to examine the effects of various system parameters on the PU performance in the presence of interference from SUs. Simulation results confirm the validity of the developed analytical models.
Keywords :
cognitive radio; error statistics; Gamma distribution; beacon; capacity-outage probability; cognitive radio network; interference analysis; outage analysis; primary user; secondary users; Analytical models; Cause effect analysis; Cognitive radio; Electronic mail; Multiple access interference; Performance analysis; Power system modeling; Rayleigh channels; Transmitters; Upper bound;
Conference_Titel :
Communications (QBSC), 2010 25th Biennial Symposium on
Conference_Location :
Kingston, ON
Print_ISBN :
978-1-4244-5709-0
DOI :
10.1109/BSC.2010.5472933
