Title :
Performance Analysis of a CSMA/CA Based MAC Protocol for Cognitive Radio Networks
Author :
Kim, Tae Ok ; Alfa, Attahiru S. ; Choi, Bong Dae
Author_Institution :
Dept. of Math., Korea Univ., Seoul, South Korea
Abstract :
We develop an analytical model to investigate the performance of a decentralized MAC protocol based on IEEE 802.11 DCF for cognitive radio networks with single spectrum band. Our analysis provides the throughput obtained by secondary users and the interference ratio perceived by primary users (SUs). The theoretical approach is verified by comparing its numerical results to simulation results. Numerical and simulation results depict the fundamental properties on the performance under various network parameters such as the number of SUs, the packet size of SUs and the minimum contention window size.
Keywords :
carrier sense multiple access; cognitive radio; telecommunication standards; CSMA/CA; IEEE 802.11 DCF; MAC protocol; carrier sense multiple access-collision avoidance; cognitive radio networks; contention window size; interference ratio; Cognitive radio; Interference; Markov processes; Media Access Protocol; Radiation detectors; Throughput;
Conference_Titel :
Vehicular Technology Conference Fall (VTC 2010-Fall), 2010 IEEE 72nd
Conference_Location :
Ottawa, ON
Print_ISBN :
978-1-4244-3573-9
Electronic_ISBN :
1090-3038
DOI :
10.1109/VETECF.2010.5594319
