lectures 1 2 telecom -
TRANSCRIPT
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Communication Systems
by Simon Haykin, John Wiley & Sons Inc. 4th Ed.
Communication Systems Engineering
by John G. Proakis , Masoud Salehi Prentice Hall
2 nd Ed. 2001
Digital & Analog Communication Systems
Leon W.Couch Prentic Hall 6th edition 2001
Communication Systems
A.B Carlson Mc Graw-Hill 4th edition 2001
By K.S. Shanmugam
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PSTN
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–
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AM
FM
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–
–
–
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wireless network
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Bluetooth
Broadcasting
Local Switching
Office (Exchange)Local Switching
Office (Exchange)
Long Distance Lines
(Fiber)Local Line
(Twisted Pair)
Fax
Modem
-
voice
ADSLMbps
-
BTS
-
-
BSBS
MTSO PSTN MTSO
BSInternet
-
PSTN
BSBS
MTSO PSTN MTSO
BSInternet
-
FM
-Local Area Networks (LANs)
LAN
01011011
1011
01010101
101101011011
LANs
LAN
01011011
Internet
Access
Point
0101 1011
-WAN Wide Area Networks
backboneLAN
MAN
01011011 Internet
1011
0101
Bridge MANLAN
Satellite andFiber Lines
Bridge LAN
-WAN
MANLAN
Bridge
01011011 Internet
1011
0101
Bridge MANLAN
Satellite andFiber Lines
Bridge LAN
WAN
TCP /IP
-
-
LEO=Low Earth Orbit
GEO=geo synchronous
Bluetooth
Bluetooth
2.4GHZ100 m -10
721kbps
Digital TV
: Software Radio
software
Remote learning
Telemedicine
:
source m(t)
b
sink
source m(t)
b
sink
source m(t)
b
sink
CW
Amplitude Modulation (AM )
Frequency Modulation (FM )
Phase Modulation (PM )
Frequency Division Multiplexing (FDM)
Time Division Multiplexing (TDM)
time slot
Code Division Multiplexing (CDM)
Wave Division Multiplexing (WDM)
FDM
bps
Pb,
Pb
CPb
B