Description: Because of a major "paradigm shift" in telecommunications, the world is rapidly moving away from nearly exclusive reliance on wired networks to an era of "tetherless" communications largely based on wireless technology. Evidence for the unprecedented growth of wireless communication can be found in the explosion of demand for paging and cellular telephone services, as well as the emerging plans for digital cellular systems using TDMA and CDMA technology, and for Cellular Digital Packet Data (CDPD) and Personal Communications Services (PCS). These developments are accompanied by the appearance of new products such as wireless LANs and wireless PBXs in the marketplace. Large companies that have long been involved in traditional "wired" communications are now making major investments in these new technologies. Despite the fact that these changes will require many engineers, computer specialists, researchers and managers to rapidly familiarize themselves with new developments in wireless information networks, there has been, until now, no comprehensive systems-level introduction to this field.

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