Syllabus

List of Experiments:
1. Simulate a wired communication system in which information signal is sent out over an AWGN channel. Assuming BPSK modulation plot BER vrs SNR curve in Matlab. Compare the simulate and theoretical curve.
2. Simulate a wired communication system in which information signal is sent out over an AWGN channel. Assuming QPSK and 8PSK modulation plot BER vrs SNR curve in Matlab. Compare the BER performance of different digital modulation schemes. Compare the simulate and theoretical curves.
3. Simulate a following long term propagation models (with shadowing and clutter factor) for wireless communication: a). Friis free space model b). Two ray model c). Okumura Hata model. Observe these models for change in frequency and distance.
4. Simulate power delay profile for a wireless communication system. Compute mean access delay and relate coherence bandwidth for different power delay profiles.
5. Simulate a wireless communication system in which information signal is sent out over an AWGN channel with flat fading. Assuming BPSK modulation, plot BER vrs SNR curve in Matlab. Compare performance with wired channel. Also compare the simulate and theoretical curve.
6. Simulate a wireless communication system in which information signal is sent out over an AWGN channel with flat fading. Assuming QPSK, 8PSK modulation, plot BER vrs SNR curve in Matlab. Compare performance with wired channel. Also compare the simulate and theoretical curve.
7. Simulate a wireless communication system in which information signal is sent out over an AWGN channel with flat fading. Assume one transmit antenna and multiple receive antenna with BPSK modulate transmit symbols. Assuming Selection combining equal gain combining and maximal ration combining, plot BER vrs SNR curve in Matlab. Compare the simulate and theoretical curve. Compare the performance when there is one two three receive antennas. (make sure power received remains same in all the cases) .
8. Simulate a wireless communication system in which information signal is sent out over an AWGN channel with flat fading. Assume multiple transmit antenna and single receive antenna with BPSK modulate transmit symbols. Assuming no channel state information and channel state information at transmitter, plot BER vrs SNR curve in Matlab. Compare the simulate and theoretical curve. Compare the performance when there is one two three transmit antennas. (make sure total power transmitted remains same in all the cases)
9. Simulate a DS-CDMA based wireless system with in which information signal is sent out over a wideband channel with AWGN noise. Plot BER vs. SNR performance curve for short, long and Walsh Hadamard codes.
10. Design a decision feedback equalizer for frequency selective wireless communication system. Compare it performance with ML based symbol detection by plotting respective BER vs. SNR curve.

To build capability of simulating wireless systems under different modulation techniques and different fading scenarios

To study the performance of CDMA systems with different spreading codes.

To simulate and analyze performance of various diversity schemes

To simulate and study the performance of equalizers in fading channels.

CO1: Learn to simulate wireless systems under different modulation techniques and different fading scenarios.
CO2: Understanding of simulating wireless systems exploiting diversity techniques.
CO3: Learn the simulation of the different propagation models
CO4: Analyze the performance in different channel conditions
CO5: Compare the performance of MIMO systems with single antenna system.

T. S. Rappaport, Wireless Communications – Principles and Practice, Pearson Education , 2nd Edition 2014

Abu-Rgheff, Introduction to CDMA wireless communications, Elsevier India , 1st Edition 2008