CBM354 Communication Systems Syllabus:

CBM354 Communication Systems Syllabus – Anna University Regulation 2021

COURSE OBJECTIVES:

The student should be made to:
 To study the various analog and digital modulation techniques
 To study the principles behind various error control coding
 To study the various digital communication techniques

UNIT I ANALOG MODULATION

Amplitude Modulation – AM, DSBSC, SSBSC, VSB – Angle modulation – PM and FM –Modulators and Demodulators

UNIT II RECEIVER CHARACTERISTICS

Noise sources and types – Noise figure and noise temperature – Noise in cascaded systems – Single tuned receivers – Super heterodyne receivers.

UNIT III INFORMATION THEORY

Measure of information – Entropy – Source coding theorem – Discrete memoryless channels – lossless, deterministic, noiseless, BEC, BSC – Mutual information – Channel capacity – ShannonFano coding, Huffman Coding, run length coding, LZW algorithm.

UNIT IV BANDPASS SIGNALING

Geometric representation of signals – Correlator and matched filter – ML detection – generation and detection, PSD, BER of coherent BPSK, BFSK, QPSK – Principles of QAM – Structure of noncoherent receivers – BFSK, DPSK

UNIT V ERROR CONTROL CODING TECHNIQUES

Channel coding theorem – Linear block codes – Hamming codes – Cyclic codes (CRC) – Convolutional codes – Viterbi decoding (Soft/Hard decision decoding).

COURSE OUTCOMES:

On successful completion of this course, the student will be able to
CO1: comprehend and appreciate the significance and role of this course in the present contemporary world.
CO2: Apply analog modulation techniques.
CO3: Apply digital modulation techniques.
CO4: Knowledge on various types of noises during transmission.
CO5: Analyze various error control coding techniques.

TOTAL:45 PERIODS

TEXT BOOKS

1. B.P.Lathi, “Modern Digital and Analog Communication Systems’’, Oxford University Press, 3rd Edition, 2007
2. H Taub, D L Schilling, G Saha, “Principles of Communication Systems”, TMH, 3rd Edition, 2007
3. S. Haykin , “Digital Communications”, John Wiley, 2005

REFERENCES

1. H P Hsu, Schaum “Outline Series, Analog and Digital Communications”, TMH, 2006
2. B.Sklar, “Digital Communications Fundamentals and Applications”, Pearson Education, 2nd Edition, 2007.