This is Matlab implementation of communication through QPSK(Quadrature Phase Shift Keying) signals which include the modulation and demodulation of it, and make it more realistic we have added white ...

This project demonstrates the implementation of Quadrature Phase Shift Keying (QPSK) modulation and demodulation techniques using Python and GNU Radio. Objective: To simulate QPSK signals, focusing on ...

Pictured here are the simulated in-phase (left) and quadrature (right) waveform for a QPSK demodulator with a 1-MHz input sine wave experiencing a phase shift of 45°, 135°, 225°, ... The post Basics ...

Multi-input frequency shift keyying can overcome the problem of low band utilization rate in the process of binary frequency shift keyying, and has a wide practical application range. In order to ...

Learn the basics of QPSK demodulation, the challenges of noise and interference, and some tips to improve your demodulator's performance and reliability. Skip to main content LinkedIn Articles ...

In Phase 2, a compatible QPSK modulation scheme is used to achieve a similar data rate in a 6.25-kHz channel. The phase is shifted either ±45° or ±135° to get the four symbols.

In this paper, performance analysis for different combining technique for receiver diversity in a MIMO system is presented. A general framework for ...

This demodulator is suitable for the quadrature phase-shift keying (QPSK) modulator previously published by the same author, "Novel Low-Cost QPSK Modulator Needs No Adjustments" (electronic design ...