{"id":1299,"date":"2022-01-30T11:28:21","date_gmt":"2022-01-30T11:28:21","guid":{"rendered":"https:\/\/itgeeks.in\/home\/?p=1299"},"modified":"2022-01-30T11:28:27","modified_gmt":"2022-01-30T11:28:27","slug":"2k6ee-505-modern-communication-systems","status":"publish","type":"post","link":"https:\/\/itgeeks.in\/home\/?p=1299","title":{"rendered":"2K6EE 505 : MODERN COMMUNICATION SYSTEMS"},"content":{"rendered":"\n

Module I (16 hours)<\/strong>
Analog modulation schemes: Super heterodyne receivers-receiver parameters-AM receivers-IF and its selectionAGC, AM demodulator circuits-SSB receivers-demodulation of SSB, receiver types-FM receiver-FM demodulators, FM noise suppression- Pulse modulation, principle of PAM, PWM,PPM modulation and demodulation-circuits. Digital modulation schemes: Coherent binary schemes: ASK,FSK,PSK,MSK, coherent M-ray schemes, calculation of average probability of error for different modulation schemes, Power spectra of digital modulated signals, performance comparison of different modulation schemes-PCM, DPCM, Delta modulation, generation and demodulation- Multiplexing- TDM, FDM, WDM.
Module II (12 hours)<\/strong>
Principle of TV communication: Theory of interlaced scanning- composite video waveforms-synchronising signal standards as per PAL625 line system-bandwidth-Block diagram of monochrome transmitter and receiver. Colour TV signal standards-principle of NTSC, PAL and SECAM encoders\/ decoders-Block diagram of transmitters and receivers. Principles of Radar: Radar frequencies-Radar equation-Transmitter and receiver(Block diagram approach), Pulsed, CW, FMCW, MTI, and tracking radars.
Module III (12 hours)<\/strong>
Principles of optical communication system: LED and LASER diode- Principle of operation- optical detectors-pin detector-APD- optical fibres- step index- graded index- single mode and multimode Principles of mobile communication systems: operation of cellular system- improving capacity in cellular systems-frequency re usage- hand off strategies- cell splitting- sectoring channel assignment strategies- call blocking in cellular networks.
Module IV (12 hours)<\/strong>
Satellite communication: Orbit of communication satellite-satellite constellation- orbital parameters- orbital perturbations- geostationary orbits-low earth and medium orbits- frequency selection- RF links- propagation characteristics- modulation methods- coding- multiple access spacecraft- antennas-transponders-inter satellite linklink power budget- earth station interference- special spectrumcommunication general concepts- frequency hopping- frequency hopping transmitter- frequency hopping receiver- time hopping- antijam consideration-CDMA.<\/p>\n\n\n\n

Text books & References<\/strong>
1.\u00a0Principles of Communication systems, George Kennedy, TMH.<\/a>
2 Dennis Roody and john Coolen, Electronic communication, Prentice Hall..<\/a>
3.\u00a0Bernard sklar, Digital communications Fundamentals and applications, Pearson<\/a>
4. Dennis Roddy, Satellite Communication, PHI.<\/a>
5.\u00a0TS Rappaport, Wireless digital communications, Principles and Practice, Pearson<\/a>
6. R. R. Gulati, Monochrome and colour Television, John Wiley.<\/a>
7.\u00a0Skolnik, Introduction to Radar Systems<\/a>
8. John Senior, Optical Fiber Communications, PHI
<\/a>9. RE Ziemer , WH Tranter, Principles of Communication, 5th edition, John Wiley.<\/a>
10. BP Lathi, Modern Digital and Analog Communication system, 3rd edition, Oxford.<\/a>
11.\u00a0Wayne Tomasi, Modern Electronic Communication system, Pearson<\/a>
12. Simon, Hindey, Lindsey, Digital Communication Techniques, PHI
13.\u00a0John G Proakis, Digital Communication, MGH<\/a>
14. WL Prichard, Satellite Communication system engineering, Pearson<\/p>\n\n\n\n

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S5 Question Papers<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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