Evaluate the performance of decision-directed channel estimation (DDCE) by using diversity techniques / Nurul Aida Mohd Sazali

Channel estimation is a one of important technique to improve the performance of Orthogonal Frequency Division Multiplexing (OFDM), and the Decision-Directed (DD) channel estimation is focus on this paper because of the ability of decreasing bit error rate (BER) in the OFDM performance. Decision-Dir...

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Main Author: Mohd Sazali, Nurul Aida
Format: Thesis
Language:English
Published: 2013
Online Access:https://ir.uitm.edu.my/id/eprint/80112/1/80112.pdf
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spelling my-uitm-ir.801122023-09-19T03:48:01Z Evaluate the performance of decision-directed channel estimation (DDCE) by using diversity techniques / Nurul Aida Mohd Sazali 2013 Mohd Sazali, Nurul Aida Channel estimation is a one of important technique to improve the performance of Orthogonal Frequency Division Multiplexing (OFDM), and the Decision-Directed (DD) channel estimation is focus on this paper because of the ability of decreasing bit error rate (BER) in the OFDM performance. Decision-Directed channel estimation based on least square error (LSE) was proposed, and it is experimented in the white Gaussian noise channel and multipath Rayleigh channel. By implemented channel estimation, the OFDM system deals with other problem which is an effect in channel fading due to complexity. Various diversity techniques are used in OFDM system in order to combat the effects of channel fading and to improve the system performance. Diversity can be implemented in three different domains namely time, frequency and space. The simulation result shows that the Decision-Directed channel estimation adapted with diversity scheme improved the performance of OFDM system in terms of increasing SNR and decreasing BER. 2013 Thesis https://ir.uitm.edu.my/id/eprint/80112/ https://ir.uitm.edu.my/id/eprint/80112/1/80112.pdf text en public degree Universiti Teknologi MARA (UiTM) Faculty of Electrical Engineering Idris, Azlina
institution Universiti Teknologi MARA
collection UiTM Institutional Repository
language English
advisor Idris, Azlina
description Channel estimation is a one of important technique to improve the performance of Orthogonal Frequency Division Multiplexing (OFDM), and the Decision-Directed (DD) channel estimation is focus on this paper because of the ability of decreasing bit error rate (BER) in the OFDM performance. Decision-Directed channel estimation based on least square error (LSE) was proposed, and it is experimented in the white Gaussian noise channel and multipath Rayleigh channel. By implemented channel estimation, the OFDM system deals with other problem which is an effect in channel fading due to complexity. Various diversity techniques are used in OFDM system in order to combat the effects of channel fading and to improve the system performance. Diversity can be implemented in three different domains namely time, frequency and space. The simulation result shows that the Decision-Directed channel estimation adapted with diversity scheme improved the performance of OFDM system in terms of increasing SNR and decreasing BER.
format Thesis
qualification_level Bachelor degree
author Mohd Sazali, Nurul Aida
spellingShingle Mohd Sazali, Nurul Aida
Evaluate the performance of decision-directed channel estimation (DDCE) by using diversity techniques / Nurul Aida Mohd Sazali
author_facet Mohd Sazali, Nurul Aida
author_sort Mohd Sazali, Nurul Aida
title Evaluate the performance of decision-directed channel estimation (DDCE) by using diversity techniques / Nurul Aida Mohd Sazali
title_short Evaluate the performance of decision-directed channel estimation (DDCE) by using diversity techniques / Nurul Aida Mohd Sazali
title_full Evaluate the performance of decision-directed channel estimation (DDCE) by using diversity techniques / Nurul Aida Mohd Sazali
title_fullStr Evaluate the performance of decision-directed channel estimation (DDCE) by using diversity techniques / Nurul Aida Mohd Sazali
title_full_unstemmed Evaluate the performance of decision-directed channel estimation (DDCE) by using diversity techniques / Nurul Aida Mohd Sazali
title_sort evaluate the performance of decision-directed channel estimation (ddce) by using diversity techniques / nurul aida mohd sazali
granting_institution Universiti Teknologi MARA (UiTM)
granting_department Faculty of Electrical Engineering
publishDate 2013
url https://ir.uitm.edu.my/id/eprint/80112/1/80112.pdf
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