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Paper Abstract and Keywords
Presentation 2005-05-23 16:15
An Architecture for High-Speed Parallel Wireless Visible Light Communications System using 2D Image Sensor and LED Transmitter
Masanori Ishida, Satoshi Miyauchi, Toshihiko Komine, Shinichiro Haruyama, Masao Nakagawa (Keio Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) We have proposed indoor wireless optical communication systems employing white LEDs. In the previous systems, all LEDs were modulated by the same signal, so entire communication speed was limited by the response speed of LEDs or the speed of an optical sensor. To overcome these limitations, we have proposed parallel transmission approach. A transmit data is divided to multiple packets, and the LEDs in the transmitter is intensity-modulated independently. The receiver image sensor demodulates signals in each pixel in parallel. In this paper, we design an over 1Gbps parallel visible light communications system using white LEDs which is modulated by 5MHz and 2D image sensor whose sampling speed is the same. From numerical analyses, we concluded that this system design could provide office lighting and over 1Gbps data transmission at the same time.
Keyword (in Japanese) (See Japanese page) 
(in English) White LED / Parallel Communication / Optical Wireless LAN / 2D Image Sensor / / / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 76, OCS2005-20, pp. 49-54, May 2005.
Paper # OCS2005-20 
Date of Issue 2005-05-16 (OCS) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee PN CS OCS  
Conference Date 2005-05-23 - 2005-05-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Hotel Moonbeach (Okinawa) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) MPLambdaS, Photonic Network and Control, Wavelength Conversion, Photonic Switching, etc. 
Paper Information
Registration To OCS 
Conference Code 2005-05-PN-CS-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Architecture for High-Speed Parallel Wireless Visible Light Communications System using 2D Image Sensor and LED Transmitter 
Sub Title (in English)  
Keyword(1) White LED  
Keyword(2) Parallel Communication  
Keyword(3) Optical Wireless LAN  
Keyword(4) 2D Image Sensor  
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1st Author's Name Masanori Ishida  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Satoshi Miyauchi  
2nd Author's Affiliation Keio University (Keio Univ.)
3rd Author's Name Toshihiko Komine  
3rd Author's Affiliation Keio University (Keio Univ.)
4th Author's Name Shinichiro Haruyama  
4th Author's Affiliation Keio University (Keio Univ.)
5th Author's Name Masao Nakagawa  
5th Author's Affiliation Keio University (Keio Univ.)
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Speaker Author-1 
Date Time 2005-05-23 16:15:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2005-20 
Volume (vol) vol.105 
Number (no) no.76 
Page pp.49-54 
#Pages
Date of Issue 2005-05-16 (OCS) 


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