EE-206-E COMMUNICATION SYSTEMS
EE-206-E COMMUNICATION SYSTEMS
CLASS WORK : 50
EXAM : 100
UNIT 1. INTRODUCTION TO COMMUNICATION SYSTEMS :
The essentials of a Communication system, modes and media’s of Communication, Classification of signals and systems , Fourier Analysis of signals.
UNIT 2. AMPLITUDE MODULATION :
Amplitude modulation, Generation of AM waves, Demodulation of AM waves, DSBSC, Generation of DSBSC waves, Coherent detection of DSBSC waves, single side band modulation, generation of SSB waves, demodulation of SSB waves, vestigial sideband modulation (VSB).
UNIT 3. ANGLE MODULATION :
Basic definitions: Phase modulation (PM) & frequency modulation(FM), narrow band frequency modulation, wideband frequency modulation, generation of FM waves, Demodulation of FM waves.
UNIT 4. PULSE ANALOG MODULATION :
Sampling theory, time division (TDM) and frequency division (FDM) multiplexing, pulse amplitude modulation (PAM), pulse time modulation.
UNIT 5. PULSE DIGITAL MODULATION :
Elements of pulse code modulation, noise in PCM systems, Measure of information, channel capacity, channel capacity of a PCM system, differential pulse code modulation (DPCM). Delta modulation (DM)
UNIT 6. DIGITAL MODULATION TECHNIQUES:
ASK, FSK, BPSK, QPSK, M-ary PSK.
UNIT 7. INTRODUCTION TO NOISE:
External noise, Internal noise, S/N ratio, noise figure.
TEXT BOOKS :
1. Communication systems (4th edn.) : Simon Haykins; John wiley & sons.
2. Communication systems: Singh & Sapre; TMH.
REFERENCE BOOKS :
1. Electronic Communication systems : Kennedy; TMH.
2. Communication Electronics : Frenzel; TMH.
3. Communication system : Taub & Schilling; TMH.
4. Communication systems : Bruce Carlson.
NOTE: Eight questions are to be set in all by the examiner taking at least one question from each unit. Students will be required to attempt five questions in all.
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