Presentation | 2015-08-24 A compensation method of non-linear distortion in LED visible light communications Hiroaki Matsuno, Shigeru Tomisato, Satoshi Denno, Masaharu Hata, Tatsuo Furuno, Yasuhiro Oda, |
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PDF Download Page | PDF download Page Link |
Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | In visible light communications using light emitting diodes (LEDs), non-linear distortion caused by LED non-linearity degrades transmission quality. This paper proposes a compensation method for non-linear distortion of LED circuits in which orthogonal frequency division multiplexing (OFDM) transmission is employed. This method uses peak power reduction of OFDM signals and in-band filtering (IBF) to reduce non-linear distortion noise. Error vector magnitude (EVM) with the method is evaluated by computer simulations. The results show that the method can reduce non-linear distortion noise power by 7.1dB and improve EVM by 4.6%. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | Visible Light Communication / LED / Clipping / Filtering |
Paper # | SRW2015-20 |
Date of Issue | 2015-08-17 (SRW) |
Conference Information | |
Committee | SRW |
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Conference Date | 2015/8/24(1days) |
Place (in Japanese) | (See Japanese page) |
Place (in English) | Shibaura Institute of Technology |
Topics (in Japanese) | (See Japanese page) |
Topics (in English) | WLAN, etc. |
Chair | Hiroshi Harada(Kyoto Univ.) |
Vice Chair | Masafumi Kato(Fujitsu) / Satoshi Denno(Okayama Univ.) |
Secretary | Masafumi Kato(NTT) / Satoshi Denno(NICT) |
Assistant | Wen Yun(Fujitsu) / Keiichi Mizutani(Kyoto Univ.) |
Paper Information | |
Registration To | Technical Committee on Short Range Wireless Communications |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | A compensation method of non-linear distortion in LED visible light communications |
Sub Title (in English) | |
Keyword(1) | Visible Light Communication |
Keyword(2) | LED |
Keyword(3) | Clipping |
Keyword(4) | Filtering |
1st Author's Name | Hiroaki Matsuno |
1st Author's Affiliation | Okayama University(Okayama Univ.) |
2nd Author's Name | Shigeru Tomisato |
2nd Author's Affiliation | Okayama University(Okayama Univ.) |
3rd Author's Name | Satoshi Denno |
3rd Author's Affiliation | Okayama University(Okayama Univ.) |
4th Author's Name | Masaharu Hata |
4th Author's Affiliation | Okayama University(Okayama Univ.) |
5th Author's Name | Tatsuo Furuno |
5th Author's Affiliation | NTT DOCOMO(NTT DOCOMO) |
6th Author's Name | Yasuhiro Oda |
6th Author's Affiliation | NTT DOCOMO(NTT DOCOMO) |
Date | 2015-08-24 |
Paper # | SRW2015-20 |
Volume (vol) | vol.115 |
Number (no) | SRW-189 |
Page | pp.pp.55-58(SRW), |
#Pages | 4 |
Date of Issue | 2015-08-17 (SRW) |