2020
DOI: 10.1016/j.heliyon.2020.e05369
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Twin Support Vector Regression for complex millimetric wave propagation environment

Abstract: In this article, an effective millimetric wave channel estimation algorithm based on Twin Support Vector Regression (TSVR) is proposed. This algorithm exploits Discrete Wavelet Transform (DWT) in order to denoise samples in learning phase and then enhance fitting performance. An indoor complex conference room environment full of furniture and electronic equipments is adopted for experiments. Through the proposed approach, channel frequency responses are directly estimated using the Orthogonal Frequency Divisio… Show more

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Cited by 3 publications
(1 citation statement)
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“…OFDM uses digital signal processing chips with inverse fast Fourier transform (IFFT) algorithm for packing multiple scrupulously placed orthogonal carriers with intersecting spectrum at its transmitter [2]. This idea has successfully replaced the complex idea of using a bank of modulators for multi carrier signal generation in conventional systems [3]. Similarly, the complexity involved in the laborious task of channel equalization is simplified by using single tap equalization in the design OFDM receiver [4].…”
Section: Introductionmentioning
confidence: 99%
“…OFDM uses digital signal processing chips with inverse fast Fourier transform (IFFT) algorithm for packing multiple scrupulously placed orthogonal carriers with intersecting spectrum at its transmitter [2]. This idea has successfully replaced the complex idea of using a bank of modulators for multi carrier signal generation in conventional systems [3]. Similarly, the complexity involved in the laborious task of channel equalization is simplified by using single tap equalization in the design OFDM receiver [4].…”
Section: Introductionmentioning
confidence: 99%