Allocating dynamic time-spectrum blocks in cognitive radio networks
Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing
MAC Protocol for Opportunistic Cognitive Radio Networks with Soft Guarantees
IEEE Transactions on Mobile Computing
HC-MAC: A Hardware-Constrained Cognitive MAC for Efficient Spectrum Management
IEEE Journal on Selected Areas in Communications
Cooperative adaptive spectrum sharing in cognitive radio networks
IEEE/ACM Transactions on Networking (TON)
Channel assignment and access protocols for spectrum-agile networks with single-transceiver radios
NETWORKING'11 Proceedings of the 10th international IFIP TC 6 conference on Networking - Volume Part II
Throughput-oriented channel assignment for opportunistic spectrum access networks
Mathematical and Computer Modelling: An International Journal
Computers and Electrical Engineering
Opportunistic medium access control for maximizing packet delivery rate in dynamic access networks
Journal of Network and Computer Applications
Coordination problem in cognitive wireless mesh networks
Pervasive and Mobile Computing
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Heavy traffic over the unlicensed portion of the spectrum along with inefficient usage of the licensed spectrum gave impetus for a new spectrum allocation policy, the main purpose of which is to improve spectrum efficiency through opportunistic spectrum access. Cognitive radios have been proposed as a key enabling technology for such an opportunistic policy. One of the key challenges to enabling multi-hop CR communications is how to perform opportunistic medium access control while limiting the interference imposed on licensed users. In this article we highlight the unique characteristics of multihop cognitive radio networks, discuss key MAC design challenges specific to such networks, and present some of the work that has been done on MAC design for CRNs.