While the international radio regulations (RR) do not prevent opportunistic access, the application of these regulations largely does not encourage such a concept. This is due to the existence of different elements of restriction within these regulations including the absence of a quantified...

This book provides an in-depth introduction to the International Telecommunication Union (ITU) Radio Regulations (RR) and the policies that govern them. Established in 1906, these regulations define the allocation of different frequency bands to different radio services, the mandatory technical...