
15-1
15.1 Introduction
15.1.1 What Is a Communication Network?
A communication network provides a system by which multiple users may share a single communi-
cation
pa
th
(o
r
me
dium)
to ex
change
in
formation
. e te
lephone
sy
stem
is an ex
ample
of a sy
stem
containing many communication networks, which can be considered to be a single communication
network as an abstract example. Communication networks are commonly used in various industries
and applications to provide an economical means to allow multiple, geographically separated users to
exchange information.
15
Sensor Networks and
Communication
15.1 Introduction .................................................................................... ...