Optical Communications: 64-QAM classification with neural networks. Investigating the performance of an OFDM-based communication system with QPSK and QAM modulation and effects of AWGN and multi-path ...

k = log2(M); numBits = 1e5; EbN0_dB = 0:2:20; plot(real(qamTx(1:100)), 'LineWidth', 1.2); title('QAM Transmitted Signal (First 100 Samples)'); xlabel('Sample Index ...

Abstract: In this paper a simulation of a wireless digital communication system is presented. The purpose of this work is to demonstrate important components of digital communication systems and how ...

Bit Error Rate Simulation Using 16 QAM Technique in Matlab In this paper, the authors introduce the Bit Error Rate (BER) simulation using 16 QAM (Quadrature Amplitude Modulation) in Matlab. Bit error ...

Half the bits are represented on the real axis and half the bits are represented on the imaginary axis. The in-phase and quadrature signals are independent level Pulse Amplitude Modulation (PAM) ...

Abstract: The rapid growth of data-intensive applications in modern data centers is driving demand for scalable, high-speed, and energy-efficient optical interconnects. Traditional noncoherent ...

Quadrature Amplitude Modulation (QAM) has been a fundamental component in the evolution of mobile connectivity. As the demand for faster data speeds and more efficient network utilization continues to ...