PCM, Delta Modulation and Demodulation: Introduction to analog and digital modulation, Pulse Code Modulation, Electrical representation of Binary Digit, PCM system, Multiplexing of PCM signals, Differential PCM, Delta Modulation, Adaptive Delta Modulation, Delta Sigma modulation Digital Modulation and Demodulation Techniques: Band-pass transmission system, NB-IoT, BPSK, DPSK (Differential Encoded PSK), QPSK, ?/4 QPSK, OQPSK, M-ary PSK., BFSK, M-ary FSK, Minimum shift keying (MSK), GMSK, Comparison of BPSK, QPSK, ?/4 QPSK, OQPSK, BFSK, GMSK, QAM, M-ary LoRa Optimum Receivers for AWGN Channels: Correlation Receiver, Matched filter receiver, optimal detection, error probability for band limited signal, optimal detection, detection of signaling schemes with memory (maximum likelihood sequence detection, optimum receiver for PCM signals) Multiplexing and Synchronization: Introduction, frequency division multiplexing (FDM), time division multiplexing (TDM), Introduction to Code division multiplexing. Carrier phase estimation (maximum likelihood, phase lock looped, decision-directed loop), symbol time estimation (maximum likelihood, non-decision-directed timing estimation) Digital Communication through Band-Limited Channels for IoT: Band-limited channel: Characterization, optimal receiver for band-limited channels with ISI and AWGN, Linear equalization (peak distortion criterion, Mean Square Error (MSE) criterion), decision feedback equalizer Open research domains in next-generation wireless technology and IoT: Range and dissemination, power consumption, throughput, number of devices, types of networks supported, globalization usage, mobility, failover capabilities, multi-protocol support, security and privacy Content of tutorials/seminar: 1.Learning MATLAB/SIMULATOR, toolboxes and functions associated with Wireless Communication 2.Implementation of modulation techniques in simulator and analyze the signals 3.Design of hybrid modulation techniques and learn the channel properties 4.Learning IoT protocols and analyzing software defined networking
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