| Presentation | 2021-05-21 Space division multiplexing, low-luminance uplink optical camera communication using a smartphone OLED screen 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) | To increase security at the physical layer of space division multiplexing uplink optical camera communication from a smartphone OLED screen to indoor camera, reduction of the screen luminance was aimed. Both increase of data rate and reduction of the screen luminance were achieved by adaptive thresholding of the received pixel values that sets the optimal threshold for a center cell for each outer 8-cell pattern in 3x3 cells. While error-free transmission of 216.75 kilo symbols/s was obtained at high luminance 255, error-free transmission of 168.75 kilo symbols/s was obtained at low luminance 95. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Visible Light Communication / Optical Camera Communication / OLED / Image Sensor / Smartphone |
| Paper # | WBS2021-13,RCC2021-13,SAT2021-11,MICT2021-9 |
| Date of Issue | 2021-05-13 (WBS, RCC, SAT, MICT) |
| Conference Information | |
| Committee | WBS / RCC / SAT / MICT |
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| Conference Date | 2021/5/20(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online (Zoom) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Coding, Modulation, Signal processing, Reliable Communication and Control, Healthcare and Medical Information Communication Technologies, and General |
| Chair | Masanori Hamamura(Kochi Univ. of Tech.) / HUAN-BANG LI(NICT) / Hisashi Sujikai(NHK) / Eisuke Hanada(Saga Univ.) |
| Vice Chair | Takashi Shono(INTEL) / Masahiro Fujii(Utsunomiya Univ.) / Shunichi Azuma(Nagoya Univ.) / Koji Ishii(Kagawa Univ.) / Hiroyasu Ishikawa(Nihon Univ.) / Tetsushi Ikegami(Meiji Univ.) / Hirokazu Tanaka(Hiroshima City Univ.) / Daisuke Anzai(Nagoya Inst. of Tech.) |
| Secretary | Takashi Shono(Okayama Univ. of Science) / Masahiro Fujii(National Defence Academy) / Shunichi Azuma(CRIEPI) / Koji Ishii(Osaka Univ.) / Hiroyasu Ishikawa(NHK) / Tetsushi Ikegami(KDDI Research) / Hirokazu Tanaka(Kobe Univ.) / Daisuke Anzai(Yokohama National Univ.) |
| Assistant | Duong Quang Thang(NAIST) / Masafumi Moriyama(NICT) / Masayuki Kinoshita(Chiba Univ. of Tech.) / SHAN LIN(NICT) / Masaki Ogura(Osaka Univ.) / Takuya Okura(NICT) / Daisuke Goto(NTT) / Keita Saku(Kyushu Univ.) / Kai Ishida(KISTEC) / Kento Takabayashi(Okayama Pref. Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Wideband System / Technical Committee on Reliable Communication and Control / Technical Committee on Satellite Telecommunications / Technical Committee on Healthcare and Medical Information Communication Technology |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Space division multiplexing, low-luminance uplink optical camera communication using a smartphone OLED screen |
| Sub Title (in English) | |
| Keyword(1) | Visible Light Communication |
| Keyword(2) | Optical Camera Communication |
| Keyword(3) | OLED |
| Keyword(4) | Image Sensor |
| Keyword(5) | Smartphone |
| 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 | 2021-05-21 |
| Paper # | WBS2021-13,RCC2021-13,SAT2021-11,MICT2021-9 |
| Volume (vol) | vol.121 |
| Number (no) | WBS-24,RCC-25,SAT-26,MICT-27 |
| Page | pp.pp.66-71(WBS), pp.66-71(RCC), pp.54-59(SAT), pp.44-49(MICT), |
| #Pages | 6 |
| Date of Issue | 2021-05-13 (WBS, RCC, SAT, MICT) |