A Survey of Cognitive Radio Access to TV White Spaces
Author(s) -
Maziar Nekovee
Publication year - 2010
Publication title -
international journal of digital multimedia broadcasting
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.164
H-Index - 17
eISSN - 1687-7586
pISSN - 1687-7578
DOI - 10.1155/2010/236568
Subject(s) - white spaces , switchover , cognitive radio , computer science , telecommunications , license , access technology , ultra high frequency , digital television , wireless , operating system
Cognitive radio is being intensively researched as the enabling technology for license-exempt access to the so-called TV White Spaces (TVWS), large portions of spectrum in the UHF/VHF bands which become available on a geographical basis after digital switchover. Both in the US, and more recently, in the UK the regulators have given conditional endorsement to this new mode of access. This paper reviews the state-of-the-art in technology, regulation, and standardisation of cognitive access to TVWS. It examines the spectrum opportunity and commercial use cases associated with this form of secondary access
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