The value in machines having wireless communications has long been understood and a large market predicted for many years. That this has not transpired has been because of the difficulty of meeting all the requirements for machine communications within the constraints of the available radio spectrum. These constraints changed significantly with the advent of white space which provides near-perf...

It is q~ite likely that wireless communication systems will, before the end of this century, provide ubiquitous voice and data communications to a significant number of citizens In the developed nations of the world. The societal changes that will be brought about from wireless personalcommunication services are going to be profound. This paper provides an overview of how rapidly the wireless c...