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All Journal International Journal of Advances in Applied Sciences
Reddy, Deepa Narayana
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Earth & Planetary Sciences Environmental Science Materials Science & Nanotechnology Mathematics Physics

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Performance evaluation of multicarrier quadrature phase shift keying-based system under noisy channel conditions Reddy, Deepa Narayana; Nagaraju, Aishwarya; Prabhakara, Deepti Hosakere; Srinivas, Deekshitha Beeraganahalli; Navyatha, Gandlaparthi
International Journal of Advances in Applied Sciences Vol 14, No 3: September 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v14.i3.pp693-701

Abstract

A comprehensive analysis of quadrature phase shift keying (QPSK) modulation in both single input single output (SISO) and multiple input multiple output (MIMO) systems is conducted using MATLAB. The investigation focuses on evaluating QPSK performance with metrics such as signal-to-noise ratio (SNR) and bit error rate (BER) across diverse channel conditions. Furthermore, the study extends to encompass the integration of QPSK with orthogonal frequency division multiplexing (OFDM), with a particular emphasis on assessing spectral efficiency and error rate implications. To validate the accuracy of the simulations, QPSK and QPSK-OFDM configurations are implemented on the WiComm-T hardware platform, enabling a direct comparison of real-world performance metrics against simulation results. By offering practical insights and recommendations for the deployment of robust communication systems, this research underscores the inherent advantages of integrating OFDM with QPSK across both SISO and MIMO configurations.
Co-Authors Nagaraju, Aishwarya Navyatha, Gandlaparthi Prabhakara, Deepti Hosakere Srinivas, Deekshitha Beeraganahalli