Wide-area wireless lan access

摘要

A method and apparatus is provided which permits mobile computers equipped with modems for cellular telephone systems to obtain various classes of data communication services, as well as voice service, including taking part in local-area networks. The LAN's may be composed of conventional LANS in establishments or of other mobile computers. In this way, mobile computers can take part in mainstream client-server computing and also establish wireless LANs using the cellular telephone system.