PERFORMANCE ANALYSIS OF COGNITIVE NETWORK WITH PRIMARY AND SECONDARY CHANNELS
2
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
We consider a cognitive network with a primary and a sec-ondary channel. Primary users have higher priority on the usage of the primary channel, and secondary users are allowed to opportunistically access the primary channel at times when the channel is not occupied by primary users. The secondary channel is dedicated only to secondary users. An analytical model is presented to obtain the performance of an opportunistic spectrum access using both the primary and secondary channels, and is validated by simulations.
Abstract
We consider a cognitive network with a primary and a sec-ondary channel. Primary users have higher priority on the usage of the primary channel, and secondary users are allowed to opportunistically access the primary channel at times when the channel is not occupied by primary users. The secondary channel is dedicated only to secondary users. An analytical model is presented to obtain the performance of an opportunistic spectrum access using both the primary and secondary channels, and is validated by simulations.
참고문헌 (6)
- Q. Zhao, "Opportunistic spectrum access via periodic channel sensing", IEEE Trans. Signal Processing, 56(2), pp.785~796 (2008)
- J. Shin, "System dwelling times of secondary call in cognitive radio systems", IEICE Trans. Commun, E94-B(7), pp.2170~2173 (2011)
- P. Wang, "Voice-service capacity analysis for cognitive radio networks", IEEE Trans. Vehicular Technology, 59(4), pp.1779~1790 (2010)
- Y. Lee, "A simple model for nonsaturated opportunistic spectrum access networks", IEICE Trans. Commun, E94-B(11), pp.3125~3127 (2011)
- Y. Lee, "Cognitive radio spectrum access with prioritized secondary users", Applied Mathematics & Information Sciences, 6(5S), pp.601S~607S (2012)
- Q. Zhao, "Decentralized cognitive MAC for opportunistic spectrum access in ad hoc networks: a POMDP frameworks", IEEE Journal of Selected Areas on Communications, 25(3), pp.589~600 (2007)
