The invention may be broadly conceptualized as an approach in which a wireless device is able to receive broadcast data over a payload channel established in another network and establishing payload channels directly with the wireless device when high bandwidth data exchanges are need, and in times of...http://www.google.com.au/patents/US20020131397?utm_source=gb-gplus-sharePatent US20020131397 - Method and system for high speed wireless broadcast data transmission and reception
