Advanced Communication Lab

Advanced communication Laboratory (M.Tech ECE Communication-MECE 192)

General information about the Laboratory: The Advanced communication Lab is in the curriculum of the M.Tech ECE Communication 1st semester students. This lab takes place in room 311 of area 1250 sq.ft . Experiment set up is two students per experiment. The lab is equipped with high end softwares, Computers with internet connectivity, Optical Fibre trainer Kits, Analog Communication based trainer kits: Modulation and Demodulation Kit ,Digital Communication based trainer kits: Modulation and Demodulation Kit .

Course Outcomes

CO1: Analyse the receiver and transmitter parameters of a typical radio communication system selectivity , sensitivity etc of a radio receiver

CO2: Understand the concepts of optical fiber communication, losses, optical power budget, and calculation of numerical aperature. .

CO3: Able to realize the various modulation techniques like BPSK, QPSK, OFDM using the multipurpose lab station and measure the occupied bandwidth.

CO4: Able to realise the effect of noise on the Communication systems, Probability of Error for different SNR.

Name of the experiments performed

  1. Study of receiver and transmitter parameters of a typical radio communication system – selectivity, sensitivity, fidelity, image rejection, modulation sensitivity, transmission bandwidth etc.
  2. Data communication through fiber optic link and measurement of Numerical Aperture, losses, power budget, stability etc.
  3. Study of sampling, quantization and coding and determine the sampling rate, quantization error.
  4. Realization of different modulation schemes using I/Q modulator- QPSK, MPSK – signal bandwidth, effect of noise etc.
  5. Simulation of different Modulation and Demodulation techniques –PSK, FSK using MATLAB and observe the scatter plot, signal bandwidth etc.
  6. Study of Binary symmetric channel – noise & Pe etc. using MATLAB.
  7. Multiple channel DSSS – spreading, dispreading, decoding etc.
  8. Signal bandwidth and Pe vs. S/N in different modes of line coding. using MATLAB.
  9. Signal bandwidth and Pe vs. S/N in different modes of modulation. using MATLAB.
  10. Simulation of PSK system with M=4 using MATLAB

Name of the innovative experiments:

  • Setup an experiment to analyse whether a modulation technique is power efficient or bandwidth efficient for a particular SNR and channel Bandwidth.

Facility available in the laboratory:

  • Multipurpose Lab Station with:
    • Agilent 33220A 20 MHz Function Generator
    • Agilent DSO6012A Oscilloscope, 100 MHz
    • ME1100 Digital RF Communications Training Kit
    • MPLS support Softwares:
      • Agilent U1035A IQ Signal Generator (IQG) software
      • Agilent 89600 VSA software
      • Agilent IO Libraries Suite software version 14.1
  • Optcal Fibre Trainer : Elementary of fiber Optics trainer kit and Advance fiber Optics trainer kit
  • MATLAB
  • Analog Modulation Trainer Kit
  • Digital Modulation Trainer Kit

Major Equipment:

  • Multipurpose Lab Station with :

Agilent 33220A 20 MHz Function Generator

Agilent DSO6012A Oscilloscope, 100 MHz

ME1100 Digital RF Communications Training Kit

MPLS support Softwares:

  • Agilent U1035A IQ Signal Generator (IQG) software
  • Agilent 89600 VSA software
  • Agilent IO Libraries Suite software version 14.1