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Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
book

Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition

by John G. Webster, Halit Eren
February 2014
Intermediate to advanced content levelIntermediate to advanced
1921 pages
82h 13m
English
CRC Press
Content preview from Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
15-6 Sensors and Sensor Technology
15.2.9 Message
A message is the fundamental, indivisible unit of information that is exchanged between stations. User-
meaningful
in
formation
wi
ll
be gr
ouped
in
to
on
e
or mo
re
me
ssages
by th
e
OS
I
ne
twork
re
ference
mo
del
.
15.2.10 Multiplexing
Multiplexing refers to the ability to use the media in a network to carry multiple messages or infor-
mation
st
reams
“si
multaneously
.” Mu
ltiplexed
sy
stems
al
low
se
veral
co
mmunication
ch
annels
to us
e
th
e
sa
me
ph
ysical
wi
re
or me
dia
. Ea
ch
me
ssage
or in
formation
st
ream
ma
y
ha
ve
di
erent
so
urces
an
d
de
stinations
. Mu
ltiplexing
ma
y
be ac
complished
usi
ng
a va
riety
of me
ans
. Ti
me
di
vision
mu
ltiplexing
(T
DM)
in
volves
br
eaking
ac
cess
to th
e
me
dia
in
to
a se
ries
of ti
me
qu
anta
. Du
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Publisher Resources

ISBN: 9781439848913