2017 Fiscal Year Final Research Report
Implementation of high-speed visible light communication
| Project/Area Number |
16K12424
|
|---|
| Research Category |
Grant-in-Aid for Challenging Exploratory Research
|
| Allocation Type | Multi-year Fund |
|---|
| Research Field |
Information network
|
|---|
| Research Institution | National Institute of Informatics |
|---|
Principal Investigator |
|
|---|
| Co-Investigator(Renkei-kenkyūsha) |
Sugimoto Masanori 北海道大学, 情報科学研究科, 教授 (90280560)
|
|---|
| Project Period (FY) |
2016-04-01 – 2018-03-31
|
| Keywords | 可視光通信 / スマートフォン / 信号処理 |
|---|
| Outline of Final Research Achievements |
This research was conducted to implement a high-speed visible light communication system using low speed video cameras such as being mounted on smartphones. For this purpose we described the function of video cameras using a mathematical model called integral sampler which lead the conclusion that analysis of video camera should be performed in frequency domain. Also the model suggested that the light source should modulate so called virtual sinusoidal wave which is obtained by re-allocating the harmonics of light source signal. This modulation is much similar to OFDM. Those conclusions are obtained as the result of this research. By the experiment we demonstrated a high-speed communication which is almost 10 times faster than ones which were ever reported. The result was published as scientific papersas well as two patent applications.
|
| Free Research Field |
情報学
|
