Searching and Autoalignment Method for Indoor Free-space Optical Communication실내용 자유 공간 광 통신을 위한 수신단의 위치 탐색 및 자동 링크 정렬 방법

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We propose and demonstrate a searching and autoalignment method for indoor optical wireless communication, using a cost-effective retroreflective sheet and a microelectromechanical system (MEMS) mirror. We use an extremum-seeking method for a single axis and beam steering with a MEMS mirror to maintain a line of sight (LOS) with the optical link. This autoalignment method shows a receiver sensitivity of -31.87 dBm for a bit rate of 2.5 Gb/s over a 7 m communication link.
Publisher
OPTICAL SOC KOREA
Issue Date
2019-12
Language
Korean
Article Type
Article
Citation

KOREAN JOURNAL OF OPTICS AND PHOTONICS, v.30, no.6, pp.230 - 236

ISSN
1225-6285
DOI
10.3807/KJOP.2019.30.6.230
URI
http://hdl.handle.net/10203/271142
Appears in Collection
EE-Journal Papers(저널논문)
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