Question

TVWS stands for ____

(a) Telephone Variable White Space

(b) Telephone Variable White Space

(c) Television Wide Space

(d) Television White Space

I had been asked this question in final exam.

My enquiry is from Adaptive Radio topic in division Cognitive Radio Basics of Cognitive Radio

Answer 1

The correct choice is (d) Television White Space

To explain I would say: Television White Space refers to the unused space found between channels actively used in UHF and VHF spectrum. The major regulatory agencies such as FCC of the US, Ofcom of the UK, and the ECC of CEPT in Europe are developing rules for unlicensed use of TV Whitespace.