Study on multiple receiver systems in non-line-of-sight ultraviolet communication systems

Li, Chenxi; Liu, Ying-ting; Zhang, Kai; Mao, Jie; Zhao, Yongli

doi:10.1016/s1005-8885(14)60293-4

The Journal of China Universities of Posts and Telecommunicatio

2014

DOI: 10.1016/s1005-8885(14)60293-4

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Study on multiple receiver systems in non-line-of-sight ultraviolet communication systems

Chenxi Li

Ying-ting Liu

Kai Zhang

et al.

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Cited by 4 publications

(1 citation statement)

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“…In another study using frequency-shift keying, NLOS and LOS links with a data rate of 1.2 kbit/s were established over 80 and 300 m, respectively [12]. Reliable NLOS links were also shown to have enhanced performance based on spatial diversity [13][14][15]. A 1×2 single-input and multiple-output (SIMO) UVC link using a 265-nm LED array as a transmitter was shown to extend the possible transmission distance at a target bit error rate (BER) [16].…”

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Gbit/s ultraviolet-C diffuse-line-of-sight communication based on probabilistically shaped DMT and diversity reception

Alkhazragi

Zou

et al. 2020

Opt. Express

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B. S. (2020). Gbit/s ultraviolet-C diffuse-line-of-sight communication based on probabilistically shaped DMT and diversity reception. Optics Express, 28(7), 9111. Abstract:We demonstrated a high-speed 1×2 single-input and multiple-output (SIMO) diffuseline-of-sight (diffuse-LOS) ultraviolet-C (UVC) solar-blind communication link over a distance of 5 meters. To approach the Shannon limit and improve the spectral efficiency, we implemented probabilistically shaped discrete multitone modulation. As compared to a single-input and single-output (SISO) counterpart, we observed significant improvement in the SIMO link in terms of the angle of view of the receiver and the immunity to emulated weather condition. A wide angle of view of ± 9°is achieved in the SIMO system, with up to a 1.09-Gbit/s achievable information rate (AIR) and a minimum value of 0.24 Gbit/s. Moreover, the bit error rate of the SIMO link in emulated foggy conditions is lowered significantly when compared to that of the SISO link. This work highlights the practicality of UVC communication over realistic distances and in turbulent environments to fill the research gap in high-speed, solar-blind communication.

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confidence: 99%

Gbit/s ultraviolet-C diffuse-line-of-sight communication based on probabilistically shaped DMT and diversity reception

Alkhazragi

Zou

et al. 2020

Opt. Express

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Down-converting luminescent optoelectronics and their applications

et al. 2023

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Luminescent materials and optoelectronics, particularly those that rely on down-conversion optical phenomena (i.e., involving a conversion from higher-energy photons into lower-energy photons), have garnered increasing interest for various photonics applications. Over the years, a plethora of down-converting luminescent materials has been actively explored, in particular for enhancing the collection and conversion efficiency of luminescent solar concentrators since the 80s. However, with the exploration of new down-converting luminescent materials, as well as the recent development of numerous emerging applications utilizing luminescent components for enhanced system performance, the technology is envisaged to expand beyond its use in luminescent solar concentrators. This perspective article aims at shedding light on the significance of incorporating luminescent materials and components for various emerging technologies related to optical-based communication, imaging, tracking, sensing, and data storage and encryption. The related opportunities and challenges are also outlined, which can potentially inspire practical pathways towards commercialization of luminescent-based optoelectronics and shape the way forward for the broader community.

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A Survey on Ultraviolet C-Band (UV-C) Communications

Vavoulas

Sandalidis

Chatzidiamantis

et al. 2019

IEEE Commun. Surv. Tutorials

117

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Study on multiple receiver systems in non-line-of-sight ultraviolet communication systems

Cited by 4 publications

References 12 publications

Gbit/s ultraviolet-C diffuse-line-of-sight communication based on probabilistically shaped DMT and diversity reception

Gbit/s ultraviolet-C diffuse-line-of-sight communication based on probabilistically shaped DMT and diversity reception

Down-converting luminescent optoelectronics and their applications

A Survey on Ultraviolet C-Band (UV-C) Communications

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