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Research Paper | Electronics & Communication Engineering | India | Volume 3 Issue 11, November 2014
Performance Analysis of Multi-Carrier Modulation Techniques Using FFT, DWT and DT-WPT
Chitakani Ravi Kishore, Gadhe Jayanth Reddy, Murali Mohan K.V
Multi-Carrier Modulation (MCM) is a very efficient transmission technology for very high data rate and for reliable wireless communication systems. Orthogonal Frequency Division Multiplexing (OFDM) is the proven technology comes under multi-carrier modulation. In this scheme number of orthogonal carriers are overlapped and transmitted over the channel. Traditional OFDM systems use Fast Fourier Transform (FFT) for orthogonal bases. Recent studies show wavelets can be used instead of FFT and systems perform better due to inherent properties of the wavelets. Dual Tree Wavelet Packet Transform (DT-WPT) is an enhancement to Discrete Wavelet Transform (DWT) with the additional properties of shift invariance and perfect reconstruction. In this paper we implemented OFDM schemes using FFT, DWT and DT-WPT and their performance is compared over AWGN channel and modulation employed is BPSK. BER vs SNR performance measure is plotted and compared for all these schemes using MATLAB tool.
Keywords: Multi-Carrier Modulation MCM, Orthogonal Frequency Division Multiplexing OFDM, Fast Fourier Transform FFT, Discrete Wavelet Transform DWT, Dual Tree Wavelet Packet Transform DT-WPT, Additive White Gaussian Noise AWGN, BPSK, MATLAB
Edition: Volume 3 Issue 11, November 2014
Pages: 2159 - 2163
How to Cite this Article?
Chitakani Ravi Kishore, Gadhe Jayanth Reddy, Murali Mohan K.V, "Performance Analysis of Multi-Carrier Modulation Techniques Using FFT, DWT and DT-WPT", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=OCT141383, Volume 3 Issue 11, November 2014, 2159 - 2163
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