| Presentation | 2021-12-13 [Poster Presentation] Red/blue wavelength division multiplexing transmission characteristics for space-division multiplexing, low-luminance uplink optical camera communication Alisa Kawade, Wataru Chujo, Kentaro Kobayashi, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Red/blue wavelength division multiplexing was combined with space division multiplexing to increase symbol rate and improve physical security of space division multiplexing, low-luminance uplink optical camera communication using a smartphone screen transmitter and an indoor camera receiver at a distance of 3 meters. Improvement of data rate and lowering of the screen luminance was simultaneously realized by newly proposed adaptive thresholding of received red/blue pixel values considering the spatial and wavelength inter-symbol interference. Red/blue wavelength division multiplexing achieved 300k symbols per second using 100 x 100 cells per frame when the screen pixel value is the maximum, 255. The symbol rate is twice as much as that of space division multiplexing using a red- or blue-single wavelength transmission. On the other hand, red/blue wavelength division multiplexing achieved 108k symbols per second using 60 x 60 cells per frame by the low-luminance screen when the pixel value is 95. The symbol rate is also twice as much as that of a red- or blue-single wavelength transmission. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Visible Light Communication / Optical Camera Communication / Image Sensor / Smartphone Screen / Space Division Multiplexing / Wavelength Division Multiplexing / Adaptive Thresholding |
| Paper # | WBS2021-40,ITS2021-14,RCC2021-47 |
| Date of Issue | 2021-12-06 (WBS, ITS, RCC) |
| Conference Information | |
| Committee | WBS / RCC / ITS |
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| Conference Date | 2021/12/13(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | Masanori Hamamura(Kochi Univ. of Tech.) / HUAN-BANG LI(NICT) / Masahiro Fujii(Utsunomiya Univ.) |
| Vice Chair | Takashi Shono(INTEL) / Masahiro Fujii(Utsunomiya Univ.) / Shunichi Azuma(Nagoya Univ.) / Koji Ishii(Kagawa Univ.) / Kohei Ohno(Meiji Univ.) / Naohisa Hashimoto(AIST) |
| Secretary | Takashi Shono(National Defence Academy) / Masahiro Fujii(Chiba Univ.) / Shunichi Azuma(CRIEPI) / Koji Ishii(Osaka Univ.) / Kohei Ohno(Akita Prefectural Univ.) / Naohisa Hashimoto(NIT, Tsuruoka College) |
| Assistant | Masayuki Kinoshita(Chiba Univ. of Tech.) / Sun Ran(Ibaraki Univ.) / SHAN LIN(NICT) / Masaki Ogura(Osaka Univ.) / Msataka Imao(Mitsubishi Electric) / Kenshi Saho(Toyama Prefectural Univ.) / Keiji Jimi(Gunma Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Wideband System / Technical Committee on Reliable Communication and Control / Technical Committee on Intelligent Transport Systems Technology |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | [Poster Presentation] Red/blue wavelength division multiplexing transmission characteristics for space-division multiplexing, low-luminance uplink optical camera communication |
| Sub Title (in English) | |
| Keyword(1) | Visible Light Communication |
| Keyword(2) | Optical Camera Communication |
| Keyword(3) | Image Sensor |
| Keyword(4) | Smartphone Screen |
| Keyword(5) | Space Division Multiplexing |
| Keyword(6) | Wavelength Division Multiplexing |
| Keyword(7) | Adaptive Thresholding |
| 1st Author's Name | Alisa Kawade |
| 1st Author's Affiliation | Meijo University(Meijo Univ.) |
| 2nd Author's Name | Wataru Chujo |
| 2nd Author's Affiliation | Meijo University(Meijo Univ.) |
| 3rd Author's Name | Kentaro Kobayashi |
| 3rd Author's Affiliation | Meijo University(Meijo Univ.) |
| Date | 2021-12-13 |
| Paper # | WBS2021-40,ITS2021-14,RCC2021-47 |
| Volume (vol) | vol.121 |
| Number (no) | WBS-295,ITS-296,RCC-297 |
| Page | pp.pp.34-39(WBS), pp.34-39(ITS), pp.34-39(RCC), |
| #Pages | 6 |
| Date of Issue | 2021-12-06 (WBS, ITS, RCC) |