COM1204 Spring 2001 -- A call originating at a cell phone

Professor Futrelle -- College of Computer Science, Northeastern U., Boston, MA

The figure below is taken from Fig. 3.15 of Wireless Personal Communication Systems by David J. Goodman (copyright 1977 by Addison Wesley Longman, Inc.) It deals specifically with a call originated at a cell phone. Note that many of the operations shown deal with the fact that transmission and reception may be so weak or noisy that they may fail. Our simulation does not deal with these RF signal strength problems, real though they are in practice.

Some of the more important parts of the figure are:

There are variations on the above sequence; this is only one example.

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