The present invention is a portable base station (PBS) switching device for use in a wireless ATM local area network (LAN). The PBS includes a plurality of high speed interfaces which operate, for example, in the Gb/s range and which are adapted to couple to other PBS s in the network. The high speed...http://www.google.com/patents/US5623495?utm_source=gb-gplus-sharePatent US5623495 - Portable base station architecture for an AD-HOC ATM lan