1. Federal Communication Commission Document 08–260: ‘Second report and order and memorandum opinion and order: In the Matter of Unlicensed Operation in the TV Broadcast Bands’. 14 November2008
2. OFCOM: ‘Digital Dividend: Cognitive access statement on licence‐exempting cognitive devices using Interleaved spectrum’. July2009
3. Electronic Communications Committee (ECC): ‘ECC Report 186: Technical and operational requirements for the operation of white spaces devices under geo‐location approach’. European Conf. of Postal and Telecommunications Administrations (CEPT) January2013
4. Cognitive Radio systems for efficient sharing of TV White Spaces in European Context available at:http://www.ict‐cogeu.eu/
5. Commun. News 2010 20 20 Examination team for new radio usage vision