- Description
-
Details
Digital Communication Premium Lecture Notes, Prepared by Lavanya. Specially for Electronics and Communication Engineering. Syllabus Covered based on Anna University B.E Electronics and Communication Engineering
DIGITAL COMMUNICATION
UNIT-1 (Pages: 22)
SAMPLING AND QUANTIZATION
UNIT-2 (Pages: 53)
WAVEFORM CODING
UNIT-3 (Pages: 9)
BASE BAND TRANSMISSION
UNIT-4 (Pages: 32)
DEGITAL MODULATION SCHEME
UNIT-5 (Pages: 40)
ERROR CONTROL CODING
PROBLEMS (Pages: 98)UNIT-1
SAMPLING AND QUANTIZATION
Modulation
Continuous wave
AM
FM
PM
Pulse wave
Analog
Digital
Functional description of digital communication
Sampling
Sampling rate
Natural sampling
Aliasing
Quantization
Signal to noise ratio
Non- uniform quantization
Sampling
Low pass sampling
PCM
Channel noise and error probability
PROBLEMSUNIT-2
WAVEFORM CODING
Receiver
Signal to noise ratio in DPCM
Adaptive difference pulse code modulation
Adaptive prediction
Delta modulation
Delta modulation receiver
SNR calculation for DM
Slope over load
Adaptive delta modulation
Comparison of speech encoding
Linear prediction coding
Convolution encoding
Constant length
Transform domain
Problems
Time domain approach
Problem
Representation of convolutional encoder
Cyclic codes
Non systematic form
Message polynomialUNIT-3
BASE BAND TRANSMISSION
Short distance communication
Wired telephone communication
Properties of line code
Types of line coding techniques
Return to zero
Non return to zero
Power spectra to line code
Drawbacks
Bipolar NRZ
Advantages
Disadvantages
Power spectral of RZ
Eye pattern
Inter symbol interferenceUNIT-4
DEGITAL MODULATION SCHEME
Coherent detection
Non – coherent detection
ASK
BPSK
FSK
Binary phase shift key
Geometrical representation of signal
Generation
Bandwidth
Spectral characteristics
Power spectral density
Probability of error
Advantages
Disadvantages
QAM (Quadrature amplitude Modulation)
Types of QAM
Detection
Bandwidth
QPSK
SynchronizationUNIT-5
ERROR CONTROL CODING
Linear block codes
Convolution encoders
Problems - Additional Information
-
Additional Information
Pages 254 Author Lavanya - Reviews
-
Welcome to Vidyarthiplus (V+) Shop!