Performance of indoor optical femtocell by visible light communication

Cui, Kaiyun; Quan, Jinguo; Xu, Zhengyuan

doi:10.1016/j.optcom.2013.02.018

Cited by 50 publications

(21 citation statements)

References 13 publications

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“…Yttrium-iron garnet (Y 3 Fe 5 O 12 , YIG), the most commonly used FI material in the near IR spectral region so far, is transparent in the 1.2~5.0 µm wavelength regions and exhibits an extremely large Faraday rotation (FR) angle [6,7]. Nevertheless, with the rapid expansion of visible solid-state lasers and laser-diodes, as well as excimer lasers in the UV, the demand of FIs operated at these spectral regions is rapidly promoting [8][9][10], while the conventional Yttrium-iron garnet crystals are not practical because of their poor transparency in this wavelength region [11].…”

Section: Introductionmentioning

confidence: 99%

Pr9.33(SiO4)6O2 Crystals: Czochralski Growth and Near UV-Visible FR Performance

Chen

2017

Crystals

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Pr 9.33 (SiO 4 ) 6 O 2 crystals have been grown by the Cz-method for the first time for near UV-visible Faraday rotation applications. Rietveld refinement of XRD data demonstrates that the compound crystallizes in the oxyapatite structure with space group P6 3 /m, with oxyapatite structure. In contrast to Tb 3 Ga 5 O 12 , Pr 9.33 (SiO 4 ) 6 O 2 crystal shows a higher transparency in the UV-visible wavelength region, and a shorter cutoff at 270 nm. The Faraday rotation performance and the temperature-dependence of the field-cooled (FC) and zero-field-cooled (ZFC) magnetic susceptibility have been investigated, which indicate that the Pr 9.33 (SiO 4 ) 6 O 2 crystal exhibits paramagnetic behavior in the experimental temperature range from 2 to 300 K and yields a larger FR angle which rapidly increases towards the cutoff. Pr 9.33 (SiO 4 ) 6 O 2 crystal is therefore a promising magneto-optical crystal in particular for potential FR applications in the near UV-visible spectral region.

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Section: Introductionmentioning

confidence: 99%

Pr9.33(SiO4)6O2 Crystals: Czochralski Growth and Near UV-Visible FR Performance

Chen

2017

Crystals

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“…Recently, Optical wireless communication (OWC) has attracted significant attention for providing broadband access connections to both fixed and mobile users in places where the deployment of optical fiber is difficult [1][2][3][4][5][6]. Besides, white-light light emitting diode (LED) is gradually replacing the traditional lamps for lighting applications.…”

Section: Introductionmentioning

confidence: 99%

Using specific and adaptive arrangement of grid-type pilot in channel estimation for white-lightLED-based OFDM visible light communication system

Wan

Chow

Yeh

2015

Optics Communications

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“…However, the ability to serve multiple users in network layers is crucial for a practical communication system, especially in some high user density scenarios such as exhibition hall or subway station. In order to exploit the multiplexing potential to achieve higher aggregate data rates for multiple users in a large illuminated area, optical femtocell and attocell downlink covering a small indoor area are proposed in [4] and [5], respectively, offering significant improvements to area capacity in bit/s/m 2 .…”

Section: Introductionmentioning

confidence: 99%

“…Hence OOC is not suitable for VLC. CDMA scheme with variable pulse position modulation (VPPM) is proposed in [4]. Monte-Carlo simulation shows that this scheme coupled with directional beaming characteristics of the LEDs helps to mitigate intercell interference and intracell inference but no experiment is conducted for verification.…”

Section: Introductionmentioning

confidence: 99%