COMMUNICATION ENGINEERING
Paper Code: EE802A
Linear modulations - AM, DSB, SSB and VSB. Envelope and synchronous detection. Carrier recoverydifferent loops e.g. PLL etc. Circuits to generate linear modulated signals. Low and high power modulators. Exponential modulation. Frequency and phase modulations. Generation of FM & PM. Radio receiverssuperheterodyne principle. AGC, Elements of antenna technology, wave guide and microwave technology.
Noise sources and their characteristics, noise temperature, noise figure and bandwidth. SNR, performance of AM, PM, FM and pulse modulation over different transmission channels.
Channel Capacity, Shannon’s Theorem, Nyquist Criterion and Sampling. Pulse modulation types, detection of PAM, PWM & PPM, Pulse generation. Quantisation of analog signals - generation noise. A/D & D/A conversions. PCM, DM, ADM, DPCM, ADPCM for speech signals. Time division and Frequency division multiplexing. Digital modulations: SK, FSK, PSK, DPSK, QPSK & MQAM. Modems. Elements of information theory. Error control and coding Data transmission-synchronization, data protection, error detection and corrections - protocol. Elements of optical communication - optical fibre and sources. Photodetectors, optical connectors and couplers. Analog and digital transmission using opto - devices.
Elements of satellite communications - tracking and control, launching. Propagation characteristics. Satellite transponders and antennas. Modern trends in communications systems.
Recommended Books:
- B P Lathi, Holt - Modern Digital and Analog Communication System -,OUP
- G. Kennedy - Electronic communication Systems - TMH
- R Coolen - Electronic Communication - PHI (1989)
- Hancock - An introduction to the Principles of Communication Theory - TMH
- Taub and Schilling - Principles of Communication systems – TMH
- Roddy, Electronic Communication, Pearson Education/PHI
- S. Haykin - Communication systems - Pearson Education/PHI
- Dungan, Electronic Communication Systems, Vikas
- Carlson - Communication Engg.
