Performance Simulation of BPSK Modulation in AWGN Channel

Performance simulation study of Binary Phase Shift Keying (BPSK) modulation over an Additive White Gaussian Noise (AWGN) channel

This performance simulation study focuses on investigating the behavior of Binary Phase Shift Keying (BPSK) modulation in an AWGN channel environment. Through systematic simulation and analysis, we evaluate key performance parameters including Bit Error Rate (BER), Bit Error Ratio, and signal quality metrics under various Signal-to-Noise Ratio (SNR) conditions. The simulation typically involves generating random binary data, applying BPSK modulation (mapping 0 to -1 and 1 to +1), adding Gaussian noise proportional to the SNR, and implementing maximum likelihood detection using correlation receivers or matched filters. BER curves are generated by comparing transmitted and received bits across multiple SNR points, often employing Monte Carlo simulation techniques with sufficient iterations for statistical accuracy.

This research provides comprehensive understanding and evaluation of BPSK modulation performance in AWGN channels, offering valuable references for communication system design and optimization. The simulation methodology can be implemented using programming languages like MATLAB or Python, with key functions including random number generation, constellation mapping, AWGN noise addition, and threshold-based decision making.

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