Results 41 to 50 of about 15,911 (261)

Analysis and Experiment of Wireless Optical Communications in Applications Dedicated to Mobile Devices with Applicability in the Field of Road and Pedestrian Safety

Sensors, 2022
Current developments and the need for high-performance devices that provide safe and reliable communications present a future perspective by using visible light as an alternative solution that can substantially improve road and pedestrian safety.
Eduard Zadobrischi
doaj   +1 more source

Experimental Demonstration of 4-level PAM for Sub-pixel Optical Camera Communications [PDF]

, 2023
As Internet of Things (IoT) technologies proliferate, a scarcity of radio frequency (RF) spectrum resources becomes apparent. One promising solution lies in Visible Light Communication (VLC), which offers a novel approach to wireless data transmission ...
Matus, V., Guerra, V., Hernandez-Morales, C. A., Rabadan, J., Luna-Rivera, J. M., Perez-Jimenez, R., Rufo, J.   +6 more
core   +1 more source

Flicker-free Multi-channel Transmitter Orientation in Camera based Optical Wireless Communications [PDF]

, 2020
We demonstrate the camera based optical wireless communications using flicker-free multi-channel transmitter orientation that provide 100 % success of reception over orientation angle of up to 30° at 200 and 400μs camera shutter ...
Ghassemlooy, Fary, Zvanovec, Stanislav, Teli, Shivani Rajendra   +2 more
core   +1 more source

OCC-ID: New Broadcasting Service-Based Cloud Model and Image Sensor Communications

International Journal of Distributed Sensor Networks, 2016
In recent decades, the main data traffic of mobile communication is based on the RF technology. Even though the efficiency from optimization for utilization or reuse is applied, there is a limitation of increased traffic demand of RF communication ...
Thithanhnhan Le, Nam-Tuan Le, Yeong Min Jang   +2 more
doaj   +1 more source

Data Rate Enhancement in Optical Camera Communications Using an Artificial Neural Network Equaliser

IEEE Access, 2020
In optical camera communication (OCC) systems leverage on the use of commercial off-the-shelf image sensors to perceive the spatial and temporal variation of light intensity to enable data transmission.
Othman Isam Younus, Navid Bani Hassan, Zabih Ghassemlooy, Paul Anthony Haigh, Stanislav Zvanovec, Luis Nero Alves, Hoa Le Minh   +6 more
doaj   +1 more source

Experimental characterization of sub-pixel underwater optical camera communications [PDF]

, 2022
Underwater Wireless Optical Communication (UWOC) is a promising technology to enable underwater communications for exploring and monitoring marine activities due to its high bandwidth and low latency. Furthermore, underwater optical camera communication (
Jurado-Verdu, Cristo, Guerra, Victor, Matus, Vicente, Rabadán, José A., Rufo, Julio, Majlesein, Behnaz   +5 more
core   +1 more source

Experimental Demonstration of Continuous Sensor Data Monitoring Using Neural Network-Based Optical Camera Communications

IEEE Photonics Journal, 2020
This technical paper presents an optical camera communication system by using data as input collected from a sensor that continuously garners humidity and temperature information from the environment.
Md. Faisal Ahmed, Moh. Khalid Hasan, Md. Shahjalal, Md. Morshed Alam, Yeong Min Jang   +4 more
doaj   +1 more source

Robust OCC System Optimized for Low-Frame-Rate Receivers

Sensors, 2022
Light emitting diodes (LED) are becoming the dominant lighting elements due to their efficiency. Optical camera communications (OCC), the branch of visible light communications (VLC) that uses video cameras as receivers, is a suitable candidate in ...
Robert-Alexandru Dobre, Radu-Ovidiu Preda, Radu-Alexandru Badea   +2 more
doaj   +1 more source

Simulation of Rolling Shutter Acquisition in Optical Camera Communications [PDF]

, 2019
International audienceThe rolling shutter (RS) acquisition mechanism performed by the majority of the digital cameras included in portable devices has been exploited to make receivers for visible light communications (VLC).
Matus, V., Guerra, V., V. Guerra, Matus Icaza, Vicente, J. Rabadan, C. Jurado-Verdu, R. Perez-Jimenez, Jurado, Rabadan, J., Perez-Jimenez, R., Jurado-Verdu, C., V. Matus   +11 more
core   +1 more source

Wireless aquatic navigator for detection and analysis (WANDA) [PDF]

, 2010
The cost of monitoring and detecting pollutants in natural waters is of major concern. Current and forthcoming bodies of legislation will continue to drive demand for spatial and selective monitoring of our environment, as the focus increasingly moves ...
Gordon Wallace, McGuinness, Kevin, Geoff Spinks, Noel E. O’Connor, Kevin McGuinness, Alici, Gursel, Fay, Cormac, O'Connor, Noel E., Lau, King-Tong, Greg Coleman, Brian Corcoran, Dermot Diamond, Shepherd, Roderick, Beirne, Stephen, Ciarán Ó Conaire, Rod Shepherd, Spinks, Geoff, Scott McGovern, Diamond, Dermot, Gursel Alici, McGovern, Scott, Ó Conaire, Ciarán, Corcoran, Brian, Wallace, Gordon, Stephen Beirne, Coleman, Greg, King-Tong Lau, Cormac Fay   +27 more
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