Performance analysis of OFDM channel estimation under IQ imbalance

This study was done in attempt to investigate the effect of In-Phaseand- Quadrature Imbalance (IQI) presence in Orthogonal Frequency Division Multiplexing system (OFDM). Although OFDM system is widely used in the communication system, it is prone and sensitive to non-idealities such as IQI. This iss...

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Main Authors: Ngu War Hlaing, Ali Farzamnia, Frydoreen Masmin, Manas Kumar Haldar, Tohid Yousefi Rezaii
Format: Proceedings
Language:English
English
Published: Springer 2020
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Online Access:https://eprints.ums.edu.my/id/eprint/34989/1/Performance%20analysis%20of%20OFDM%20channel%20estimation%20under%20IQ%20imbalance.ABSTRACT.pdf
https://eprints.ums.edu.my/id/eprint/34989/4/FULLTEXT.pdf
https://eprints.ums.edu.my/id/eprint/34989/
https://link.springer.com/chapter/10.1007/978-981-16-2406-3_61
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spelling my.ums.eprints.349892023-02-23T08:06:57Z https://eprints.ums.edu.my/id/eprint/34989/ Performance analysis of OFDM channel estimation under IQ imbalance Ngu War Hlaing Ali Farzamnia Frydoreen Masmin Manas Kumar Haldar Tohid Yousefi Rezaii QA299.6-433 Analysis TK5101-6720 Telecommunication Including telegraphy, telephone, radio, radar, television This study was done in attempt to investigate the effect of In-Phaseand- Quadrature Imbalance (IQI) presence in Orthogonal Frequency Division Multiplexing system (OFDM). Although OFDM system is widely used in the communication system, it is prone and sensitive to non-idealities such as IQI. This issue causes serious performance degradation in the system. Channel estimation plays an important part in an OFDM system. Thus, this study will investigate the effect of IQI in OFDM system channel estimation. There are two types of channel estimation scheme used in this paper. They are the Least Square (LS) and Linear Minimum Mean Square Error (LMMSE). The outcome for this channel estimation scheme will be compared with their theoretical values based on the channel’s Mean Square Error (MSE). To obtain the result, LS and LMMSE channel estimation was developed and simulated using MATLAB Simulink software. Then, the corresponding output was analyzed. From the analysis, the performance of these two-channel estimation schemes was affected after the addition of IQI. However, comparing both schemes, LMMSE has better performance compared to LS in terms of MSE. Springer 2020 Proceedings PeerReviewed text en https://eprints.ums.edu.my/id/eprint/34989/1/Performance%20analysis%20of%20OFDM%20channel%20estimation%20under%20IQ%20imbalance.ABSTRACT.pdf text en https://eprints.ums.edu.my/id/eprint/34989/4/FULLTEXT.pdf Ngu War Hlaing and Ali Farzamnia and Frydoreen Masmin and Manas Kumar Haldar and Tohid Yousefi Rezaii (2020) Performance analysis of OFDM channel estimation under IQ imbalance. https://link.springer.com/chapter/10.1007/978-981-16-2406-3_61
institution Universiti Malaysia Sabah
building UMS Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Sabah
content_source UMS Institutional Repository
url_provider http://eprints.ums.edu.my/
language English
English
topic QA299.6-433 Analysis
TK5101-6720 Telecommunication Including telegraphy, telephone, radio, radar, television
spellingShingle QA299.6-433 Analysis
TK5101-6720 Telecommunication Including telegraphy, telephone, radio, radar, television
Ngu War Hlaing
Ali Farzamnia
Frydoreen Masmin
Manas Kumar Haldar
Tohid Yousefi Rezaii
Performance analysis of OFDM channel estimation under IQ imbalance
description This study was done in attempt to investigate the effect of In-Phaseand- Quadrature Imbalance (IQI) presence in Orthogonal Frequency Division Multiplexing system (OFDM). Although OFDM system is widely used in the communication system, it is prone and sensitive to non-idealities such as IQI. This issue causes serious performance degradation in the system. Channel estimation plays an important part in an OFDM system. Thus, this study will investigate the effect of IQI in OFDM system channel estimation. There are two types of channel estimation scheme used in this paper. They are the Least Square (LS) and Linear Minimum Mean Square Error (LMMSE). The outcome for this channel estimation scheme will be compared with their theoretical values based on the channel’s Mean Square Error (MSE). To obtain the result, LS and LMMSE channel estimation was developed and simulated using MATLAB Simulink software. Then, the corresponding output was analyzed. From the analysis, the performance of these two-channel estimation schemes was affected after the addition of IQI. However, comparing both schemes, LMMSE has better performance compared to LS in terms of MSE.
format Proceedings
author Ngu War Hlaing
Ali Farzamnia
Frydoreen Masmin
Manas Kumar Haldar
Tohid Yousefi Rezaii
author_facet Ngu War Hlaing
Ali Farzamnia
Frydoreen Masmin
Manas Kumar Haldar
Tohid Yousefi Rezaii
author_sort Ngu War Hlaing
title Performance analysis of OFDM channel estimation under IQ imbalance
title_short Performance analysis of OFDM channel estimation under IQ imbalance
title_full Performance analysis of OFDM channel estimation under IQ imbalance
title_fullStr Performance analysis of OFDM channel estimation under IQ imbalance
title_full_unstemmed Performance analysis of OFDM channel estimation under IQ imbalance
title_sort performance analysis of ofdm channel estimation under iq imbalance
publisher Springer
publishDate 2020
url https://eprints.ums.edu.my/id/eprint/34989/1/Performance%20analysis%20of%20OFDM%20channel%20estimation%20under%20IQ%20imbalance.ABSTRACT.pdf
https://eprints.ums.edu.my/id/eprint/34989/4/FULLTEXT.pdf
https://eprints.ums.edu.my/id/eprint/34989/
https://link.springer.com/chapter/10.1007/978-981-16-2406-3_61
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score 13.211869