Utilization of LED Grow Lights for Optical Wireless Communication-Based RF-Free Smart-Farming System
Sensors, 2021 Indoor smart-farming based on artificial grow lights has gained attention in the past few years. In modern agricultural technology, the growth status is generally monitored and controlled by radio-frequency communication networks. However, it is reported
Sana Javed +3 more
doaj +1 more source
Underwater optical camera communications based on a multispectral camera and spectral variations of the LED emission [PDF]
, 2020 Optical Camera Communication (OCC) applications have intensively used in recent years. Underwater Optical Wireless Communications (UWOC) are one of the most viable alternatives today in underwater environments, compared to traditional acoustic ...
Guerra, Victor +4 more
core +1 more source
Multi-Spot Tracking System for Free-Space Optical Communication [PDF]
Radioengineering, 2022 This article describes a multi-spot tracking system for free space optic communications systems suitable for tracking optical terminals observed within the field-of-view of a wide angle telescope.
P. Skryja, J. Poliak, O. Wilfert
doaj
Measurements of the Beam-Wave Fluctuations over a 142-km Atmospheric Path [PDF]
, 2006 An optical link has been established between the Canary Islands La Palma and Tenerife. A 1064-nm transmitting laser was located on La Palma whereas a BPSK communication receiver and measurement instruments were installed in ESA's OGS on Tenerife.
Perlot, Nicolas +11 more
core +1 more source
Region-of-Interest Signaling Vehicular System Using Optical Camera Communications
IEEE Photonics Journal, 2017 This technical paper introduces an optical camera communication system for vehicles. The purpose of the communication system incorporated into car (using existing light-emitting diode (LED) lights and ordinary cameras) is to add region-of-interest ...
Trang Nguyen +2 more
doaj +1 more source
Experimental DCO-OFDM Optical Camera Communication Systems With a Commercial Smartphone Camera
IEEE Photonics Journal, 2019 Modern handheld mobile devices are equipped with a complementary metal-oxide-semiconductor (CMOS) image sensor. These image sensors are capable of perceiving intensity changes in optically modulated signals, driving the rapid development of optical ...
Jenn-Kaie Lain +2 more
doaj +1 more source
Sensors, 2021 In this paper, we investigate the performance of a vehicular visible light communications (VVLC) link with a non-collimated and incoherent light source (a light-emitting diode) as the transmitter (Tx), and two different optical receiver (Rx) types (a ...
Elizabeth Eso +5 more
doaj +1 more source
Undersampled Pulse Width Modulation for Optical Camera Communications [PDF]
, 2018 An undersampled pulse width modulation (UPWM) scheme is proposed to enable users to establish a non- flickering optical camera communications (OCC) link. With UPWM, only a digital light emitting diode (LED) driver is needed to send signals using a higher
Luo, P +15 more
core +1 more source
Towards Optical Camera Communications Using a Shape-tailored Illuminating Optical Fiber [PDF]
, 2022 We have recently presented a novel concept of optical camera communications (OCC) based on illuminating optical fibers (IOF) as transmitter (Tx). In this paper, we further investigate this concept of IOF-based OCC system by replacing a straight IOF by an
Ghassemlooy, Zabih +5 more
core +1 more source
Characterization and Performance of a Thermal Camera Communication System
Sensors, 2020 This work presents a novel communications technology named Thermal Camera Communication (TCC), which is analogous to Optical Camera Communication (OCC).
Victor Guerra +3 more
doaj +1 more source