Digital Communication Notes – DC Notes
Digital Communication Notes – DC Notes – DC Pdf notes
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
Lecture notes 1 –
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.
Lecture notes 2
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
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.
Lecture notes 4
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.
Lecture notes 5
Linear Block Codes: Matrix description of Linear Block Codes. Error detection and error Correction capabilities of linear block codes. CyDecoding.
Lecture notes 6 –
Convolution Codes: Encoding. Decoding using State, tree and trellis diagrams, Decoding using Viterbi algorithm, Comparison of Error Rates in Coded and Uncoded Transmission.
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
TEXTBOOKS: Digital Communication Notes – DC Notes – DC Pdf notes
- Principles of communication systems ~ Herbert Taub, Donald L Schiling, Goutam Saha, 3″’ Edition,McGraw-Hill, 2008.
- Digital and Analog Communicaton Systems — Sam Shanmugam, John . Wile;/.2005.
REFERENCES: Digital Communication Notes – DC Notes – DC Pdf notes
- Digital Communications — John G. Proakis , Masoud salehi – 5″‘ Edition, McGraw-Hill. 2008.
2 Digital Communication — Simon I-Iaykin, Jon Wiley, 2005.
- Digital Communications – lan A. Glover. Peter M. Grant, 2″‘ Edition, Pearson Edu., 2008.
- Communication Systems – B.P. Lathi, BS Publication, 2006. clic Codes: Algebraic structure, encoding, syndrome calculation