A basic introduction to the communication systems

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1. COMMUNICATION SYSTEM 17MT82 Course Instructor: Glenson Toney

2. COMMUNICATION SYSTEM Number of Lecture Hrs / Week: 03 + 02 Total Number of Lecture Hrs: 50 Number of Credit: 04 Module – 1 Introduction To Communication Systems: 10 Hours Module – 2 Amplitude Modulation: 10 Hours Module – 3 Angle Modulation & Demodulation: 10 Hours Module – 4 Waveform Coding Techniques: 10 Hours Module – 5 Spread Spectrum Modulation: 10 Hours Text books: Communication Systems, Simon Haykins , 3rd Edition, John Willey, 1996. An Introduction to Analog and Digital Communication, Simon Haykins , John Wiley, 2003 3. Digital communications, Simon Haykin , John Wiley, 2003. Reference Books: Modern digital and analog Communication systems B. P. Lathi , 3rd ed 2005 Oxford University press. Communication Systems, Harold P.E, Stern Samy and A Mahmond , Pearson Edn , 2004. Communication Systems: Singh and Sapre : Analog & Digital and analog communication systems An introduction to Analog and Digital Communication, K. Sam Shanmugam , John Wiley, 1996, Simon Haykin , John Wiley, 2005 Carlson

3. Module No. Details of the Module No. of Hours 1 Introduction To Communication Systems: Information, Transmitter, channel-noise, Receiver, modulation, need for modulation, band width requirements, sine wave and Fourier series review. Basic signal processing operations in digital communication. Sampling Principles: Sampling Theorem 10 2 Amplitude Modulation: Introduction AM Time-Domain description, Frequency – Domain description. Generation of AM wave: square law modulator, switching modulator. Detection of AM waves: square law detector, envelop detector. Double side band suppressed carrier modulation (DSBSC): Time-Domain description, Frequency-Domain representation, Generation of DSBSC waves: balanced modulator, ring modulator. Coherent detection of DSBSC modulated waves. Costas loop 10 3 Angle Modulation & Demodulation: Basic definitions, FM, narrow band FM, wide band FM, transmission bandwidth of FM waves, generation of FM waves: indirect FM and direct FM, Demodulation of FM waves, FM stereo multiplexing, Phase-locked loop, Nonlinear model of the phase – locked loop, Linear model of the phase – locked loop, Nonlinear effects in FM systems. 10 4 Waveform Coding Techniques: PAM, TDM. Waveform Coding Techniques, PCM, Quantization noise and SNR, robust quantization. DPCM, DM, applications. Line Codes : Unipolar RZ& NRZ, Polar RZ& NRZ, Bi-Polar RZ & NRZ ,Manchester. 10 5 Spread Spectrum Modulation: Pseudo noise sequences, notion of spread spectrum, direct sequence spread spectrum, coherent binary PSK, frequency hop spread spectrum, applications. Digital Multiplexers: FDM ,TDM ,Classification of Multiplexers ,T1 Carrier System 10

4. CO1 Define communication system and explain basic signal processing operations and sampling theorem CO2 Explain Amplitude Modulation in Time and Frequency domain and their Generation and Detection CO3 Describe Frequency Modulation Time and Frequency domain and their Generation and Detection CO4 Define Waveform Coding Techniques (PAM, TDM, PCM) CO5 Explain various Spread Spectrum Modulation techniques Student will be able to: Course Outcomes

5. CO PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PO11 PO12 PSO1 PSO2 CO-1 3 2 2 CO-2 3 2 2 CO-3 3 2 2 CO-4 3 2 2 CO-5 3 2 2 Target(AVG) 3 2 2 CO-PO-PSO MAPPING

6. Course delivery Lectures PPT + Notes Flipped Classroom Student seminars Relevant videos and other useful links Course content recordings for students attending online classes 6

7. MODULE 1 Introduction To Communication Systems Information, Transmitter, channel-noise, Receiver, modulation, need for modulation, band width requirements, sine wave and Fourier series review. Basic signal processing operations in digital communication. Sampling Principles: Sampling Theorem

8. Source: https://www.dailyinfographic.com/wp-content/uploads/2012/04/sharing-and-communication.jpg

9. BLOCK DIAGRAM OF COMMUNICATION SYSTEMS

10. C. E. Shannon proved that over a channel of  bandwith   B , the rate of information transmission,  C , in bits/s (binary digits per second) is given by the Bandwidth Shannon’s Theorem

11. Block diagram of digital communication system

12. Sampling Theorem