An Infrared Network for Mobile Computers
Norman Adams Rich Gold
Palo Alto Research Center Palo Alto Research Center
Xerox Corporation Xerox Corporation
Bill N. Schilit Currently visiting Xerox Palo Alto Research Center,
Computer Science Department
Michael M. Tso Roy Want
EECS Department Palo Alto Research Center
MIT Xerox Corporation
The infrared network provides a flexible infrastructure for research
into wireless mobile computing. The network consists of a collection
of room-sized cells each wired with a base station transceiver.
Mobile computers communicate with transceivers through a carrier sense
multiple access (CSMA) protocol and act as terminals for applications
executing on remote hosts. Each mobile computer is represented by a
proxy, or agent , accessible to applications at a fixed network
address. In the system it is the agent that is responsible for
delivering requests to its corresponding mobile computer, and tracking
the mobile as it moves from cell to cell.
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