DWT based FFT in practical OFDM systems
OFDM is a multi-carrier technique based on a very simple modulation scheme that uses IFFT and FFT at its core for transmission and reception respectively. The performance of the OFDM receiver is significantly affected in the presence of noise in the wireless channel. In this work a receiver that has...
| Main Authors: | , , , |
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| Format: | Conference or Workshop Item |
| Language: | English |
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2007
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| Subjects: | |
| Online Access: | http://scholars.utp.edu.my/id/eprint/253/ http://scholars.utp.edu.my/id/eprint/253/1/paper.pdf |
| _version_ | 1848658942757961728 |
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| author | Lee , A.K. Ooi , - Drieberg , Micheal Jeoti , Varun |
| author_facet | Lee , A.K. Ooi , - Drieberg , Micheal Jeoti , Varun |
| author_sort | Lee , A.K. |
| building | UTP Institutional Repository |
| collection | Online Access |
| description | OFDM is a multi-carrier technique based on a very simple modulation scheme that uses IFFT and FFT at its core for transmission and reception respectively. The performance of the OFDM receiver is significantly affected in the presence of noise in the wireless channel. In this work a receiver that has built-in denoising capacity with little additional computation is proposed. It is based on a DWT based FFT algorithm. Experiments using MATLAB are conducted to verify the feasibility of this denoising algorithm on OFDM signals. The result shows noise suppression thus supports our claim. © 2006 IEEE.
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| first_indexed | 2025-11-13T07:22:33Z |
| format | Conference or Workshop Item |
| id | oai:scholars.utp.edu.my:253 |
| institution | Universiti Teknologi Petronas |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-13T07:22:33Z |
| publishDate | 2007 |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | oai:scholars.utp.edu.my:2532017-01-19T08:27:05Z http://scholars.utp.edu.my/id/eprint/253/ DWT based FFT in practical OFDM systems Lee , A.K. Ooi , - Drieberg , Micheal Jeoti , Varun TK Electrical engineering. Electronics Nuclear engineering OFDM is a multi-carrier technique based on a very simple modulation scheme that uses IFFT and FFT at its core for transmission and reception respectively. The performance of the OFDM receiver is significantly affected in the presence of noise in the wireless channel. In this work a receiver that has built-in denoising capacity with little additional computation is proposed. It is based on a DWT based FFT algorithm. Experiments using MATLAB are conducted to verify the feasibility of this denoising algorithm on OFDM signals. The result shows noise suppression thus supports our claim. © 2006 IEEE. 2007 Conference or Workshop Item NonPeerReviewed application/pdf en http://scholars.utp.edu.my/id/eprint/253/1/paper.pdf Lee , A.K. and Ooi , - and Drieberg , Micheal and Jeoti , Varun (2007) DWT based FFT in practical OFDM systems. In: 2006 IEEE Region 10 Conference, TENCON 2006, 14 November 2006 through 17 November 2006, Hong Kong. http://www.scopus.com/inward/record.url?eid=2-s2.0-34547591914&partnerID=40&md5=ff66bd15d1adc0456bc567aa2d9e6448 |
| spellingShingle | TK Electrical engineering. Electronics Nuclear engineering Lee , A.K. Ooi , - Drieberg , Micheal Jeoti , Varun DWT based FFT in practical OFDM systems |
| title | DWT based FFT in practical OFDM systems
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| title_full | DWT based FFT in practical OFDM systems
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| title_fullStr | DWT based FFT in practical OFDM systems
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| title_full_unstemmed | DWT based FFT in practical OFDM systems
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| title_short | DWT based FFT in practical OFDM systems
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| title_sort | dwt based fft in practical ofdm systems |
| topic | TK Electrical engineering. Electronics Nuclear engineering |
| url | http://scholars.utp.edu.my/id/eprint/253/ http://scholars.utp.edu.my/id/eprint/253/ http://scholars.utp.edu.my/id/eprint/253/1/paper.pdf |