Digital Communication Pdf Notes – DC Notes

Here you can download the free lecture Notes of Digital Communication Pdf Notes – DC Notes Pdf materials with multiple file links to download. The Digital Communication Notes Pdf (DC Notes) book starts with the topics covering Model of Digital Communication Systems, PCM Generation and Reconstruction, ASK Modulator. Coherent ASK Detector,  Baseband transmission and Optimal Reception of Digital Signal, Information and entropy, Matrix description of Linear Block Codes, Convolution Codes: Encoding, Spread Spectrum Modulation Etc.

Digital Communication Pdf Notes - DC Notes - Digital Communication Notes Pdf
Digital Communication Pdf Notes

Digital Communication Pdf Notes – DC Notes

Unit-I

Elements of Digital Communication Systems: Model of Digital Communication Systems. Digital Representation of Analog Signal, Certain issues in Digital Transmission. Advantages of Digital Communication Systems, Bandwidth-SIN tradeoff. Hartley Shanon Law, Sampling Theorem

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Lecture notes 1 

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Unit-II

Pulse Code Modulation: PCM Generation and Reconstruction, Quantization noise, Non uniform Quantization and Companding, DPCM, Adaptive DPCM. DM and Adaptive DM, Noise in PCM and DM.

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Lecture notes 2

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Unit-III

Digital Modulation Techniques: Introduction, ASK,ASK Modulator. Coherent ASK Detector, No n-Coherent ASK Detector, PSK, Bandwidth and Frequency Spectrum of FSK. Non coherent FSK Detector, Coherent FSK Detector, PSK Detection Using PLL, BPSK, Coherent PSK Detection. QPSK, Differential PSK.

Lecture notes 3

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Unit-IV

Baseband transmission and Optimal Reception of Digital Signal: Pulse shaping for optimum transmissions, ABaseband Signal Receiver, Probability of Error, Optimum Receiver, optimal of Coherent Reception, Signal Space Representation and Probability of Error, eye diagrams, Cross talk.

Digital Communication Notes Pdf (DC)

Lecture notes 4

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Unit-V

Information Theory: Information and entropy, conditional entropy and redundancy, Shannon Fano coding, Mutual Information, information loss due to noise, source codings – Huffman Code, variable length coding, Source coding to Increase average lnfomtation per bit, Lossy source coding.

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Lecture notes 5

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Unit-VI

Linear Block Codes: Matrix description of Linear Block Codes. Error detection and error Correction capabilities of linear block codes. CyDecoding.

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Lecture notes 6 

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Unit VII

Convolution Codes: Encoding. Decoding using State, tree and trellis diagrams, Decoding using Viterbi algorithm, Comparison of Error Rates in Coded and Uncoded Transmission.

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Unit-VIII

Spread Spectrum Modulation: Use of Spread Spectrum, Direct Sequence Spread Spectrurn(DSSS), Code Division Multiple Access, Ranging using DSSS. Frequency Hopping Spread Spectrum, PN – sequences: Generation . and Characteristics. Synchronization in Spread Spectrum Systems

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TEXTBOOKS:

  1. Principles of communication systems ~ Herbert Taub, Donald L Schiling, Goutam Saha, 3″’ Edition,McGraw-Hill, 2008.
  2. Digital and Analog Communicaton Systems — Sam Shanmugam, John . Wile;/.2005.

REFERENCES:

  1. Digital Communications — John G. Proakis , Masoud salehi – 5″‘ Edition, McGraw-Hill. 2008.
  2. Digital Communication — Simon I-Iaykin, Jon Wiley, 2005.
  3. Digital Communications – lan A. Glover. Peter M. Grant, 2″‘ Edition, Pearson Edu., 2008.
  4. Communication Systems – B.P. Lathi, BS Publication, 2006. clic Codes: Algebraic structure, encoding, syndrome calculation

Note :- These notes are according to the r09 Syllabus book of JNTUH. In R13 ,8-units of R09 syllabus are combined into 5-units in r13 syllabus.Click here to check all the JNTU Syllabus books 

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