Results of Comparative Analysis of BPSK & QPSK using Equalized OFDM
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 1, Issue 6
Abstract
The main aim of the communications system is to provide a wide variety of communication services such as high speed data, minimum ISI & ICI as we all well aware about it. In this aspect the OFDM communication system is a one of the best option for high bandwidth data transmission, by converting the wideband signal into a parallel narrow band signals for parallel transmission. This multicar and telephone channels It has also been adopted as a standard for digital audio broadcast application. Attenuation increases rapidly the characteristics makes it extremely difficult to achieve a high tra single modulated carrier and equalizer at a receiver. On other hand multicarrier modulation with optimum power distribution provides the potential for a higher transmission rate. Multicarrier system that employs the FFT algorithm to synthesis the signal at the transmitter and to demodulate the received signal at the receiver. FFT is simply the efficient computational tool for implementing the DFT. In this paper, we present the bit error probability (BEP) performance analysis of Rayleigh BPSK and QPSK modulation technique and also having results of figure of both BPSK & QPSK modulation techniques. This paper also presents a systematic approach for analyzing the bit OFDM signals in Rayleigh fading. The data is modulated, encoded, spread and transmitted through a frequency selective Rayleigh fading channel. And all that result
Authors and Affiliations
Meenakshi Chourasiya
Keywords
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