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73
Voted
ICC
2007
IEEE
137views Communications» more  ICC 2007»
15 years 3 months ago
Optimality and Complexity of Opportunistic Spectrum Access: A Truncated Markov Decision Process Formulation
— We consider opportunistic spectrum access (OSA) which allows secondary users to identify and exploit instantaneous spectrum opportunities resulting from the bursty traffic of ...
Dejan V. Djonin, Qing Zhao, Vikram Krishnamurthy
GLOBECOM
2009
IEEE
15 years 4 months ago
Dynamic Power Management in Cognitive Radio Networks Based on Constrained Stochastic Games
Abstract—Recent studies have been conducted to indicate the ineffective usage of licensed bands due to the static spectrum allocation. In order to improve the spectrum utilizatio...
Chia-Wei Wang, Yu-Pin Hsu, Kai-Ten Feng
ICASSP
2011
IEEE
14 years 1 months ago
Optimal transmission strategies for channel capture mitigation in Cognitive Radio Networks
Abstract—Temporal Dynamic Spectrum Access (DSA) in Cognitive Radio Networks exploits time gaps between the primary users transmissions. In this work, the fundamental performance ...
Yingxi Liu, Nikhil Kundargi, Ahmed H. Tewfik
83
Voted
ICC
2008
IEEE
236views Communications» more  ICC 2008»
15 years 4 months ago
Carrier Sensing Based Multiple Access Protocols for Cognitive Radio Networks
—Cognitive radio (CR) dynamically accessing inactive radio spectrum of the primary system (PS) at link level has attracted a lot of research interests. The cognitive radio networ...
Shao-Yu Lien, Chih-Cheng Tseng, Kwang-Cheng Chen
CORR
2010
Springer
127views Education» more  CORR 2010»
14 years 8 months ago
Channels Reallocation In Cognitive Radio Networks Based On DNA Sequence Alignment
Nowadays, It has been shown that spectrum scarcity increased due to tremendous growth of new players in wireless base system by the evolution of the radio communication. Resent su...
Santosh Kumar Singh, Krishna Chandra Roy, Vibhakar...