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Channel estimation in OFDM multipath fading channel systems according to modulation schemes

Orthogonal Frequency Division Multiplexing system (OFDM) is a very popular communication technique. It is applied nowadays in several wireless network modern systems. Wireless communication system has some limitations; one of them is Multi Path Fading Channel. This issue leads to impact and deterior...

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Main Authors: Latip, Rohaya, Alaa, Abdullah Al-Saadi, Muhammed, Abdullah, Abd Wahab, Mohd Helmy
Format: Article
Language:English
Published: Science Publishing Corporation 2018
Online Access:http://psasir.upm.edu.my/id/eprint/73351/1/OFDM.pdf
http://psasir.upm.edu.my/id/eprint/73351/
https://www.sciencepubco.com/index.php/ijet/article/view/23714
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spelling my.upm.eprints.733512020-11-10T07:27:00Z http://psasir.upm.edu.my/id/eprint/73351/ Channel estimation in OFDM multipath fading channel systems according to modulation schemes Latip, Rohaya Alaa, Abdullah Al-Saadi Muhammed, Abdullah Abd Wahab, Mohd Helmy Orthogonal Frequency Division Multiplexing system (OFDM) is a very popular communication technique. It is applied nowadays in several wireless network modern systems. Wireless communication system has some limitations; one of them is Multi Path Fading Channel. This issue leads to impact and deteriorate data signal severely which causes the inter channel interferences (ICI). Therefore, our paper is specifically focused on study of the importance of applying channel estimation in OFDM system which leads to be close to an accurate data. Basically, there are many types of channel estimation techniques, e.g., Least Square Error Estimation (LSE) and Minimum Mean-Square (MMSE). In our study, we utilised LSE and proved the necessity of applying channel estimation in multi path fading channel based on QPSK modulation scheme. We verify that by applying simulation codes in Matlab. Moreover, we make a comparison by sending data, e.g., Baboon image with and without channel estimation technique. Our study is to proof the importance of channel estimation with multi path fading channel in OFDM technique. Science Publishing Corporation 2018 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/73351/1/OFDM.pdf Latip, Rohaya and Alaa, Abdullah Al-Saadi and Muhammed, Abdullah and Abd Wahab, Mohd Helmy (2018) Channel estimation in OFDM multipath fading channel systems according to modulation schemes. International Journal of Engineering and Technology (UAE), 7 (4.31). 368 - 374. ISSN 2227-524X https://www.sciencepubco.com/index.php/ijet/article/view/23714 10.14419/ijet.v7i4.31.23714
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Orthogonal Frequency Division Multiplexing system (OFDM) is a very popular communication technique. It is applied nowadays in several wireless network modern systems. Wireless communication system has some limitations; one of them is Multi Path Fading Channel. This issue leads to impact and deteriorate data signal severely which causes the inter channel interferences (ICI). Therefore, our paper is specifically focused on study of the importance of applying channel estimation in OFDM system which leads to be close to an accurate data. Basically, there are many types of channel estimation techniques, e.g., Least Square Error Estimation (LSE) and Minimum Mean-Square (MMSE). In our study, we utilised LSE and proved the necessity of applying channel estimation in multi path fading channel based on QPSK modulation scheme. We verify that by applying simulation codes in Matlab. Moreover, we make a comparison by sending data, e.g., Baboon image with and without channel estimation technique. Our study is to proof the importance of channel estimation with multi path fading channel in OFDM technique.
format Article
author Latip, Rohaya
Alaa, Abdullah Al-Saadi
Muhammed, Abdullah
Abd Wahab, Mohd Helmy
spellingShingle Latip, Rohaya
Alaa, Abdullah Al-Saadi
Muhammed, Abdullah
Abd Wahab, Mohd Helmy
Channel estimation in OFDM multipath fading channel systems according to modulation schemes
author_facet Latip, Rohaya
Alaa, Abdullah Al-Saadi
Muhammed, Abdullah
Abd Wahab, Mohd Helmy
author_sort Latip, Rohaya
title Channel estimation in OFDM multipath fading channel systems according to modulation schemes
title_short Channel estimation in OFDM multipath fading channel systems according to modulation schemes
title_full Channel estimation in OFDM multipath fading channel systems according to modulation schemes
title_fullStr Channel estimation in OFDM multipath fading channel systems according to modulation schemes
title_full_unstemmed Channel estimation in OFDM multipath fading channel systems according to modulation schemes
title_sort channel estimation in ofdm multipath fading channel systems according to modulation schemes
publisher Science Publishing Corporation
publishDate 2018
url http://psasir.upm.edu.my/id/eprint/73351/1/OFDM.pdf
http://psasir.upm.edu.my/id/eprint/73351/
https://www.sciencepubco.com/index.php/ijet/article/view/23714
_version_ 1683232219961753600
score 13.211869

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