Analysis Of Transmit Power Spectrum Of WLAN Based OFDM System

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Provided by: International Journal of Computer Networks and Wireless Communications (IJCNWC)
Topic: Networking
Format: PDF
The main key role in wireless radio technologies is focused on effective bandwidth availability given that the spectrum is limited and this stimulates researchers and engineers to use the spectrum more efficiently. In this paper, the authors propose a different Power Spectral Density (PSD) curves of OFDM signal based on WLAN with various pulse shapes are presented. OFDM waveform is analyzed in frequency domain response for different modulation techniques such as BPSK, QPSK, 16-QAM, 64-QAM for block size 50. Power Spectral Density (PSD) increases with increase in levels of modulation. For high power spectral density of transmitter higher levels of QAM modulation techniques are preferred.
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