Laboratory Infrastructure

Our laboratory hosts advanced platforms for next-generation wireless research. Click on each system below to explore architecture, use cases, tools, and capabilities.

  • Platform: 5-Nines Radio — a flagship platform developed by Chandhar Research Labs Pvt. Ltd.
  • Testbed Architecture: End-to-end 5G Testbed supporting both Standalone (SA) and Non-Standalone (NSA) modes. More details
  • Research Use Cases: Smart campus testbeds, private enterprise research networks, and controlled network slicing experiments.
  • Research Capabilities: Experimental evaluation, validation, and performance analysis of emerging 5G technologies.
  • Platform: Deep Radio is an SDR-based research platform for real-time signal acquisition, processing, and analysis. For more details, click here.
  • Research Applications: 5G waveform design, spectrum sensing, and live digital/analog communications including FM, BPSK, and QPSK transmission and reception.
  • Implementation Framework: Built using GNU Radio and Python for flexible prototyping and algorithm development.
  • Experimental Capabilities: Supports real-time signal processing, rapid prototyping, and development of deep-learning–based communication and signal processing algorithms.
  • Platform: Wi-Guy is an SDR-based educational and research platform designed for learning and experimenting with wireless communication fundamentals. For more details, click here.
  • Academic Applications: Hands-on SDR experiments, classroom teaching, professional training, and RF spectrum scanning for analysis and demonstration.
  • System Framework: Built on Wi-Guy hardware modules with customizable RF configurations for flexible experimentation.
  • Experimental Capabilities: Supports FM broadcast decoding, 2G (GSM) signal decoding, channel analysis, deep-learning–based modulation classification, and machine-learning–based channel prediction.
  • Platform: V2X Testbed using LoRA and Qorvo-UWB boards.

Undergraduate Laboratories

List of Experiments

  • Perform the Sampling Theorem
  • Generate the amplitude-modulated wave and determine percentage modulation
  • Implementation of Frequency Modulator using CD4046 IC
  • Amplitude demodulation using envelope detector and CD4046
  • Frequency Shift Keying (FSK) modulator circuit
  • Pulse Amplitude Modulation and Demodulation
  • Pulse Width Modulation
  • BPSK and QPSK simulation using MATLAB
  • Pulse Code Modulation (PCM) using MATLAB
  • Identification of active and inactive frequencies using Deep Radio and Wi-Guy

List of Experiments

  • To generate a sine wave using the TMS320C6748 kit and CCS and study the effect of sampling frequency.
  • To compute the output sequence of a discrete-time LTI system for a given input sequence and impulse response using the convolution operation.
  • To compute the output sequence of a discrete-time LTI system for a given input sequence and impulse response using the circular convolution operation.
  • To study the effect of sampling frequency on real-time audio quality using the TMS320C6748 DSP.
  • Generating a sinusoidal signal, audio signal, and image in Matlab.
  • To perform DFT and FFT on a given discrete-time signal and verify that both produce the same result.
  • To verify the first-order difference equation y(n) = b1y (n − 1) + x(n) using both the filter() function and iterative calculation for a unit impulse input. Perform the experiment for b1= 2 and b1 = 0.5 and observe the output.
  • To compute the Discrete Fourier Transform (DFT) of a sequence using Code Composer Studio and analyze its frequency components.
  • Design a Butterworth analog lowpass filter, Butterworth analog high pass filter and Conversion of prototype Butterworth lowpass filter to high pass filter using built-in filter functions available in MATLAB.
  • Find the Low pass and High pass FIR filter coefficients for the specifications using MATLAB FDA tool like Sampling frequency, Cutoff frequency, Order, Window.
  • Find IIR Butterworth low pass, high pass and Chebyshev Type I high pass filter coefficientsfor the given specifications, using MATLAB FDA tool like Sampling frequency, Cutoff frequency, Order, Window.

Postgraduate Laboratories

List of Experiments

  • Implementation of Client-Server Communication using Socket programming
  • IoT communication using MQTT
  • IoT Communication using Wi-Fi
  • IoT Communication using Bluetooth
  • IoT Communication using Zigbee
  • IoT Communication using LORA
  • IoT Communication using UWB
  • Throughput and delay analysis over 5G and Wi-Fi
  • 5G SA Protocols analysis
  • Custom Protocol Development using Socket Programming
  • IoT communication using 5G modem
  • Robotic Car using Arduino, ESP32 and Bluetooth

List of Experiments

  • 2G, 3G, 4G, and 5G Live Spectrum/Bands Monitoring
  • Channel modelling - AWGN, verification of small-scale fading distribution, autocorrelation of small-scale fading
  • verification of shadow fading distribution
  • Processing, down sampling and FIR filtering the GSM and LTE signals
  • Over-the-air transmission and reception of binary data using a BPSK, QPSK and GMSK Modem
  • OFDM transmission and reception
  • In spectrum to capture and visualize GSM and LTE signals (TDMA, OFDM)
  • Dynamic spectrum access
  • Cognitive Radio
  • QSpectrum analyser

List of Experiments

  • Linear Regression for Channel Quality Prediction
  • Logistic Regression for Modulation Classification
  • Random Forests for RF Impairment Diagnosis
  • Support Vector Machines (SVM) for Image-Based Antenna Fault Classification
  • K-Means Clustering for Spectrum Occupancy Analysis
  • Naive Bayes for Text Classification in Protocol Logs
  • PCA for IQ Signal Compression or Feature Reduction
  • Convolutional neural network (CNN) for Signal Pattern Classification
  • Residual network (ResNet) for Packet Error Prediction
  • Student-Defined Problem: Open-Ended ML Application in Communication
  • Deep learning based modulation classification
  • ML based spectrum activity prediction
  • ML based channel prediction

List of Experiments

  • Understanding Familiarization of the Hardware Components in the vehicular communication.
  • Understanding Arduino IDE software and write basic coding for LED blinking in the Arduino Uno.
  • Write and Read the coding for Arduino board for different sensors.
  • Data transfer one Arduino board to another arduino board by using SPI, UART communication potorocol by using TX, RX pins.
  • Understanding CAN, LIN and Flex ray communication protocol in the Vehicular communication
  • CAN communication in between two Arduinos board.
  • LIN and Flexray communication in between two arduino board.
  • Zigbee communication for data transfer in between two arduino board.
  • IoT communication in between Arduino to Cloud.