Digital Communications_ Fundamentals And ApplicationsSS EE C COONNDD EE D D II T T II O ON N
Fundamentals and Applications
ther From o es rc u o s el Chann ls symbo ation Inform source ge Messa ls symbo
el Chann encode Multip lex ass Bandp te modula ncy Freque spread
le Multip access
X M T
Pulse te modula
Forma
t
Source encode
Encryp
t
gi (t) ui
Digital nd baseba rm fo e v wa
si (t)
Digital ass bandp rm fo e v a w el Chann e impuls se respon
hc(t)
Digital input
C h a n n e l
mi
Digital output
Bit stream
Synchtion roniza
z (T ) i
r (t)
ncy Freque ad despre le Multip access R C V
i m
el Chann decode iplex Demult Detect
ulate Demod le p & Sam
Forma
t
Source decode
Decryp
t
el Chann ls symbo
atio Inform sink
n
ge Messa ls o b m y s
r To othe s ation destin
BERNARD SKLAR
the Companion CD
Concise DSP Tutorial
ROBE……
