Software-defined Visible Light Backscatter Network

Xu, Xieyang; Shen, Yang; Chen, Guojun; Wu, Yue; Feng, Lilei; Wang, Qing; Xu, Chenren

doi:10.1145/3210240.3211115

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Owc System a Transmitters1

) On Single and Multi Carrier Modulation1

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2019

2024

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“…Reliance on LCD technologies has been receiving an increasing interest for applications such as backscatter communications [105]- [108] and sunlight modulation [34], [103], [109], [110]. In [105], [106], bi-directional VLC was realized by backscattering using retro-reflector and modulating via an LCD shutter the LED downlink transmission to facilitate uplink transmission, while [107] varied switching time and polarization to establish a backscatter link using an LCD array. Also, [108] proposed bi-directional backscatter VLC for cases of infrastructure-tovehicle communication.…”

Section: Owc System a Transmittersmentioning

confidence: 99%

“…There are a number of different techniques that can be used to provide modulation. A LC shutter can be used, and this supports data rates of kilobits per second (Kbps) [185]- [187], or semiconductor modulators (see for instance [188]- [190]) supporting rates of up to Gbps [191] (albeit with some challenging implementation issues). MEMs based modulators have also been used at low rates [192].…”

Section: ) On Single and Multi Carrier Modulationmentioning

confidence: 99%

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