Reducing the PAPR of OFDM Systems by Random Variable Transformation
Peak power reduction techniques in orthogonal frequency division multiplexing (OFDM) has been an important subject for many researchers for over 20 years. In this letter, we propose a side‐information‐free technique that is based on the concept of random variable (RV) transformation. The suggested m...
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| Published in | ETRI journal Vol. 35; no. 4; pp. 714 - 717 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | English |
| Published |
Electronics and Telecommunications Research Institute (ETRI)
01.08.2013
한국전자통신연구원 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | Peak power reduction techniques in orthogonal frequency division multiplexing (OFDM) has been an important subject for many researchers for over 20 years. In this letter, we propose a side‐information‐free technique that is based on the concept of random variable (RV) transformation. The suggested method transforms RVs into other RVs, aiming to reshape the constellation that will consequently produce OFDM symbols with a reduced peak‐to‐average power ratio. The proposed method has no limitation on the mapping type or the mapping order and has no significant effect on the bit error rate performance compared to other methods presented in the literature. Additionally, the computational complexity does not increase. |
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| AbstractList | Peak power reduction techniques in orthogonal frequency division multiplexing (OFDM) has been an important subject for many researchers for over 20 years. In this letter, we propose a side-information-free technique that is based on the concept of random variable (RV) transformation. The suggested method transforms RVs into other RVs, aiming to reshape the constellation that will consequently produce OFDM symbols with a reduced peak-to-average power ratio. The proposed method has no limitation on the mapping type or the mapping order and has no significant effect on the bit error rate performance compared to other methods presented in the literature. Additionally, the computational complexity does not increase. KCI Citation Count: 7 Peak power reduction techniques in orthogonal frequency division multiplexing (OFDM) has been an important subject for many researchers for over 20 years. In this letter, we propose a side‐information‐free technique that is based on the concept of random variable (RV) transformation. The suggested method transforms RVs into other RVs, aiming to reshape the constellation that will consequently produce OFDM symbols with a reduced peak‐to‐average power ratio. The proposed method has no limitation on the mapping type or the mapping order and has no significant effect on the bit error rate performance compared to other methods presented in the literature. Additionally, the computational complexity does not increase. |
| Author | Ismail, Mahamod Bin Singh, Mandeep Jit Islam, Mohammad Tariqul Samad, Salina Abdul Taher, Montadar Abas |
| Author_xml | – sequence: 1 givenname: Montadar Abas surname: Taher fullname: Taher, Montadar Abas email: montadar@ieee.org – sequence: 2 givenname: Mandeep Jit surname: Singh fullname: Singh, Mandeep Jit email: mandeep@eng.ukm.my – sequence: 3 givenname: Mahamod Bin surname: Ismail fullname: Ismail, Mahamod Bin email: mahamod@eng.ukm.my – sequence: 4 givenname: Salina Abdul surname: Samad fullname: Samad, Salina Abdul email: salina@eng.ukm.my – sequence: 5 givenname: Mohammad Tariqul surname: Islam fullname: Islam, Mohammad Tariqul email: titareq@yahoo.com |
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| Cites_doi | 10.1109/TBC.2009.2031465 10.1109/TSP.2011.2109955 10.1109/TBC.2008.915770 10.1049/iet-com.2008.0291 |
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| Notes | titareq@yahoo.com Manuscript received Dec. 11, 2012; revised Feb. 3, 2013; accepted Feb. 12, 2013. is with the Institute of Space Science, University Kebangsaan Malaysia, Selangor, Malaysia. mandeep@eng.ukm.my Mohammad Tariqul Islam Mandeep Jit Singh salina@eng.ukm.my Montadar Abas Taher (phone: +60 176118119 and Salina Abdul Samad are with the Department of Electrical, Electronics, and Systems Engineering, University Kebangsaan Malaysia, Selangor, Malaysia. Mahamod Bin Ismail mahamod@eng.ukm.my montadar@ieee.org http://etrij.etri.re.kr/Cyber/servlet/BrowseAbstract?vol=35&pg=714 G704-001110.2013.35.4.014 |
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| References_xml | – volume: 54 start-page: 257 issue: 2 year: 2008 end-page: 268 article-title: “An Overview: Peak‐to‐Average Power Ratio Reduction Techniques for OFDM Signals,” publication-title: IEEE Trans. Broadcast – volume: 3 start-page: 1144 issue: 7 year: 2009 end-page: 1152 article-title: “Time Domain Constellation Shaping Technique for Peak‐to‐Average Power Ratio Reduction,” publication-title: IET Commun – volume: 55 start-page: 831 issue: 4 year: 2009 end-page: 835 article-title: “A Novel Multi‐points Square Mapping Combined with PTS to Reduce PAPR of OFDM Signals without Side Information,” publication-title: IEEE Trans. Broadcast – volume: 59 start-page: 2710 issue: 6 year: 2011 end-page: 2719 article-title: “A Novel Constellation Reshaping Method for PAPR Reduction of OFDM Signals,” publication-title: IEEE Trans. Signal Process – year: 2003 – ident: Key-10.4218/etrij.13.0212.0552-2 doi: 10.1109/TBC.2009.2031465 – ident: Key-10.4218/etrij.13.0212.0552-3 doi: 10.1109/TSP.2011.2109955 – ident: Key-10.4218/etrij.13.0212.0552-1 doi: 10.1109/TBC.2008.915770 – ident: Key-10.4218/etrij.13.0212.0552-5 doi: 10.1049/iet-com.2008.0291 |
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| Snippet | Peak power reduction techniques in orthogonal frequency division multiplexing (OFDM) has been an important subject for many researchers for over 20 years. In... |
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| SubjectTerms | Peak‐to‐average power ratio, OFDM, sum of two random variables, transformation of random variables, PAPR, computational complexity reduction 전자/정보통신공학 |
| Title | Reducing the PAPR of OFDM Systems by Random Variable Transformation |
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