[PDF] EC3491 Communication Systems (CS) Books, Lecture Notes, 2 marks with answers, Important Part B 16 Marks Questions, Question Bank & Syllabus

EC3491 COMMUNICATION SYSTEMS

UNIT I AMPLITUDE MODULATION

Review of signals and systems, Time and Frequency domain representation of signals, Principles of Amplitude Modulation Systems- DSB, SSB and VSB modulations. Angle Modulation, Representation of FM and PM signals, Spectral characteristics of angle modulated signals. SSB Generation – Filter and Phase Shift Methods, VSB Generation – Filter Method, Hilbert Transform, Pre-envelope & complex envelope AM techniques, Superheterodyne Receiver.

UNIT II RANDOM PROCESS & SAMPLING

Review of probability and random process. Gaussian and white noise characteristics, Noise in amplitude modulation systems, Noise in Frequency modulation systems. Pre-emphasis and De-emphasis, Threshold effect in angle modulation.

Low pass sampling – Aliasing- Signal Reconstruction-Quantization – Uniform & non-uniform quantization – quantization noise – Nyquist criterion- Logarithmic Companding –PAM, PPM, PWM, PCM – TDM, FDM

UNIT III DIGITAL TECHNIQUES

Pulse modulation Differential pulse code modulation. Delta modulation, Noise considerations in PCM,, Digital Multiplexers, Channel coding theorem – Linear Block codes – Hamming codes – Cyclic codes – Convolutional codes – Viterbi Decoder

UNIT IV DIGITAL MODULATION SCHEME

Geometric Representation of signals – Generation, detection, IQ representation, PSD & BER of Coherent BPSK, BFSK, & QPSK – QAM – Carrier Synchronization – Structure of Non-coherent Receivers Synchronization and Carrier Recovery for Digital modulation, Spectrum Analysis – Occupied bandwidth – Adjacent channel power, EVM, Principle of DPSK

UNIT V DEMODULATION TECHNIQUES

Elements of Detection Theory, Optimum detection of signals in noise, Coherent communication with waveforms- Probability of Error evaluations. Baseband Pulse Transmission- Inter symbol Interference, Optimum demodulation of digital signals over band-limited channels.

TEXTBOOKS :

1. Simon Haykins,” Communication Systems”, Wiley, 5th Edition, 2009.(Unit I – V)
2. B.P.Lathi, “Modern Digital and Analog Communication Systems”, 4th Edition, Oxford University Press, 2011.

REFERENCES :

1. Wayner Tomasi, Electronic Communication System, 5th Edition, Pearson Education,2008.
2. D.Roody, J.Coolen, Electronic Communications, 4th edition PHI 2006
3. A.Papoulis, “Probability, Random variables and Stochastic Processes”, McGraw Hill, 3rd edition, 1991.
4. B.Sklar, “Digital Communications Fundamentals and Applications”, 2nd Edition Pearson Education 2007
5. H P Hsu, Schaum Outline Series – “Analog and Digital Communications” TMH 2006
6. Couch.L., “Modern Communication Systems”, Pearson, 2001

DOWNLOAD LINK

Anna University EC3491 Communication Systems Books Question Banks Lecture Notes Syllabus EC3491 Communication Systems Part A 2 Marks with Answers Part – B 16 Marks Questions with Answers & Anna University EC3491 Communication Systems Question Paper Collection and Local Author Books.

Click below the link “DOWNLOAD” to save the Book/Material (PDF)

Kindly Note : There are different collection of EC3491 Communication Systems study materials are listed below. Based on your requirement choose the suitable material for your preparation.