Principles of Communication
4IT3-04 · Semester 4
0/58 topics
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Concept of frequency translation
Full Amplitude Modulation (AM)
Double Sideband Suppressed Carrier (DSBSC)
Single Sideband (SSB)
Vestigial Sideband (VSB)
Methods of AM generation and demodulation
Frequency Division Multiplexing (FDM)
Phase Modulation
Frequency Modulation (FM)
FM signal description in time and frequency domains
Methods of FM generation and demodulation
Pre-emphasis and de-emphasis
Phase Locked Loop (PLL)
Ideal sampling
Sampling theorem
Aliasing
Interpolation
Natural sampling
Flat-top sampling
Pulse Amplitude Modulation (PAM)
Pulse Width Modulation (PWM)
Pulse Position Modulation (PPM)
Time Division Multiplexing (TDM)
Uniform quantization
Non-uniform quantization
Pulse Code Modulation (PCM)
Delta Modulation (DM)
Signal-to-quantization noise ratio in PCM
Signal-to-quantization noise ratio in Delta Modulation
Differential Pulse Code Modulation (DPCM)
Adaptive Delta Modulation (ADM)
T1 Carrier System
Matched filter detection
Error probability in PCM system
Line coding (RZ and NRZ)
Inter-Symbol Interference (ISI)
Pulse shaping
Nyquist criterion for distortion-free baseband transmission
Raised cosine spectrum
Geometric interpretation of signals
Signal orthogonalization
Amplitude Shift Keying (ASK)
Phase Shift Keying (PSK)
Frequency Shift Keying (FSK)
Quadrature Phase Shift Keying (QPSK)
Minimum Shift Keying (MSK)
Coherent detection
Calculation of error probabilities
Spread-spectrum introduction
Pseudo-Noise (PN) sequences
Direct Sequence Spread Spectrum (DSSS) with coherent BPSK
Processing gain
Probability of error in spread spectrum
Frequency-Hop Spread Spectrum (FHSS)
Code Division Multiple Access (CDMA)