Mobility

Performance Analysis of MB-OFDM System with QPSK and QAM for Wireless Communication

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Executive Summary

In this paper, the authors have investigated the performance of MB-OFDM system with higher order QPSK/QAM mapping. The main objective of this paper is to compare the performance of these two modulation techniques with an AWGN channel in terms of BER (Bit Error Rate) and PSD (Power Spectral Density) in the system. The Federal Communications Commission allocated 7500 MHz of spectrum for unlicensed use of commercial Ultra-WideBand (UWB) communication devices. This spectral allocation has initiated an extremely productive activity for industry and academia. Wireless communications experts now consider UWB as available spectrum to be utilized with a variety of techniques.

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