GitHub

Implementation of QPSK (Quadrature Phase Shift Keying) Modulation & Demodulation — includes MATLAB simulation, Multisim circuit design, and hardware implementation

This project presents a complete end-to-end implementation of Quadrature Phase Shift Keying (QPSK) — a digital modulation technique used in real-world communication systems such as satellite, Wi-Fi, ...
IEEE

Comparison of different QPSK Modulation Methods for Radar Backscatter Communication

Abstract: This paper presents the principles of backscatter modulation using a frequency-modulated continuous-wave (FMCW) radar system. The focus is on comparing QPSK modulation combined with two load ...
IEEE

The preference for implementation of QPSK in 5G based on comparison with BPSK and 8-PSK

Abstract: During the recently concluded Olympics, China employed 4K/8K high-definition broadcasting technology powered by 5G networks to provide a seamless and high-quality viewing experience. One of ...
GitHub

ckflight/IQ_Modulation_Simulations

This repository contains simulations of various digital modulation techniques using Python and NumPy/SciPy. The purpose is to visualize and understand baseband signal characteristics such as waveform ...
Electronic Design

Upgrade To 100G DP-QPSK Core Networks With The Aid Of Analog

Fig 1. A DP-QPSK transmitter and a coherent receiver with ADC and DSP are key analog components for long-distance transmission systems. Fig 2. Shown is the measured (blue, green) and simulated (red) ...