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On the Simulation of BER Performances for Transform Schemes Used in OFDM

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International Journal of Computer Applications
© 2013 by IJCA Journal
Volume 61 - Number 5
Year of Publication: 2013
Authors:
Shilpi Gupta
U. D. Dalal
10.5120/9922-4541

Shilpi Gupta and U D Dalal. Article: On the Simulation of BER Performances for Transform Schemes Used in OFDM. International Journal of Computer Applications 61(5):9-13, January 2013. Full text available. BibTeX

@article{key:article,
	author = {Shilpi Gupta and U. D. Dalal},
	title = {Article: On the Simulation of BER Performances for Transform Schemes Used in OFDM},
	journal = {International Journal of Computer Applications},
	year = {2013},
	volume = {61},
	number = {5},
	pages = {9-13},
	month = {January},
	note = {Full text available}
}

Abstract

Due to many special characteristics of OFDM it has been widely applied in various applications. Besides exponential transforms some other transforms like DCT and Wavelet can also be used in OFDM. Since last decade DCT is going to be a good alternative as it is a real transform hence less complex. In very recent scenario telecommunication industry has been attracted towards the wavelets. Wavelet applications are finding a way in which their performances match the current system for example in communication system. In this paper Computer simulation using MATLAB 7. 0 has been used to analyze the performance of FFT, DCT and WPT OFDM in terms of bit error rate. All the simulations have been done using AWGN and Rayleigh channel. Along with it mapping schemes used in these simulations are BPSK, QPSK and Pi/4 DQPSK.

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