Cross layer multicarrier MIMO cognitive cooperation scheme for wireless hybrid ad hoc networks
Computer Communications
Power control in cognitive radio networks: how to cross a multi-lane highway
IEEE Journal on Selected Areas in Communications - Special issue on stochastic geometry and random graphs for the analysis and designof wireless networks
IEEE Transactions on Wireless Communications
Dynamic spectrum leasing in cognitive radio networks via primary-secondary user power control games
IEEE Transactions on Wireless Communications
Cooperative decode-and-forward relaying for secondary spectrum access
IEEE Transactions on Wireless Communications
Comprehensive Capacity Ensured Distributed Binary Power Allocation in Dense Cognitive Networks
Journal of Network and Systems Management
IEEE Transactions on Communications
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Optimal power allocation for cognitive radio under primary users outage loss constraint
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Spectrum sharing in cognitive radio networks: an auction-based approach
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics - Special issue on game theory
Study on power and rate control algorithm for cognitive wireless networks
WSEAS TRANSACTIONS on COMMUNICATIONS
Game theory for cognitive radio networks: An overview
Computer Networks: The International Journal of Computer and Telecommunications Networking
Cognitive radio protocols based on exploiting hybrid ARQ retransmissions
IEEE Transactions on Wireless Communications
IEEE Transactions on Communications
Joint power control, base station assignment, and channel assignment in cognitive femtocell networks
EURASIP Journal on Wireless Communications and Networking - Special issue on femtocell networks
Joint sensing period and transmission time optimization for energy-constrained cognitive radios
EURASIP Journal on Wireless Communications and Networking
RAC: Range Adaptive Cognitive Radio Networks
Computer Standards & Interfaces
Neuro-fuzzy-based hand-off and opportunistic spectrum access for cognitive cooperative network
International Journal of Communication Networks and Distributed Systems
Spectral efficiency of cognitive radio networks under interference constraint and QoS guarantees
Computers and Electrical Engineering
Initial spectrum access control with QoS protection for active users in cognitive wireless networks
International Journal of Communication Systems
Sleep-based topology control in the Ad Hoc networks by using fitness aware learning automata
Computers & Mathematics with Applications
IEEE/ACM Transactions on Networking (TON)
Distributed power adjustment based on control theory for cognitive radio networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
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In this paper, we consider a cognitive radio system in fading wireless channels and propose an opportunistic power control strategy for the cognitive users, which serves as an alternative way to protect the primary user's transmission and to realize spectrum sharing between the primary user and the cognitive users. The key feature of the proposed strategy is that, via opportunistically adapting its transmit power, the cognitive user can maximize its achievable transmission rate without degrading the outage probability of the primary user. If compared with the existing cognitive protocols, which usually try to keep the instantaneous rate of the primary user unchanged, our strategy relieves the cognitive users from the burden of detecting and relaying the message of the primary user and relaxes the system synchronization requirements. The achievable rate of a cognitive user under the proposed power control strategy is analyzed and simulated, taking into account the impact of imperfect channel estimation. A modified power control strategy is also proposed to reduce the sensitivity of our strategy to the estimation errors. Its effectiveness is verified by the simulations.