Results 11 to 20 of about 7,136,044 (235)

Design and Implementation of 2D MIMO-Based Optical Camera Communication Using a Light-Emitting Diode Array for Long-Range Monitoring System [PDF]

Sensors, 2021
Wireless technologies that use radio frequency (RF) waveforms are common in wireless communication systems, such as the mobile communication, satellite system, and Internet of Things (IoT) systems. It is more advantageous than wired communication because
Huy Nguyen, Vanhoa Nguyen, Conghoan Nguyen, Van Bui, Yeongmin Jang   +4 more
doaj   +4 more sources

Constraints and Recent Solutions of Optical Camera Communication for Practical Applications

Photonics, 2023
Visible light communication (VLC) has emerged as a promising technology for wireless communication due to its advantages of the vast optical spectrum, high energy efficiency, and no electromagnetic interference radiation.
Pinpin Zhang, Ziwei Liu, Xin Hu, Yimao Sun, Xiong Deng, Binbin Zhu, Yanbing Yang   +6 more
doaj   +4 more sources

Proximity-Based Optical Camera Communication with Multiple Transmitters Using Deep Learning [PDF]

Sensors
In recent years, optical camera communication (OCC) has garnered attention as a research focus. OCC uses optical light to transmit data by scattering the light in various directions.
Muhammad Rangga Aziz Nasution, Herfandi Herfandi, Ones Sanjerico Sitanggang, Huy Nguyen, Yeong Min Jang   +4 more
doaj   +4 more sources

Optical Camera Communication as an Enabling Technology for Microalgae Cultivation [PDF]

Sensors, 2021
Optical Camera Communication (OCC) systems have a potential application in microalgae production plants. In this work, a proof-of-concept prototype consisting of an artificial lighting photobioreactor is proposed.
Cristo Jurado-Verdu, Victor Guerra, Vicente Matus, Carlos Almeida, Jose Rabadan   +4 more
doaj   +2 more sources

Optical Vehicle-to-Vehicle Communication System Using LED Transmitter and Camera Receiver

IEEE Photonics Journal, 2014
This paper introduces an optical vehicle-to-vehicle (V2V) communication system based on an optical wireless communication technology using an LED transmitter and a camera receiver, which employs a special CMOS image sensor, i.e, an optical communication ...
Isamu Takai, Tomohisa Harada, Michinori Andoh, Keita Yasutomi, Keiichiro Kagawa, Shoji Kawahito   +5 more
doaj   +3 more sources

Convolutional neural networkscheme–based optical camera communication system for intelligent Internet of vehicles

International Journal of Distributed Sensor Networks, 2018
The evolution of the Internet of vehicles and growing use of mobile devices has created a demand for new wireless communication technologies. Optical camera communication, which uses light-emitting diodes as transmitters and cameras as receivers, has ...
Amirul Islam, Md Tanvir Hossan, Yeong Min Jang   +2 more
doaj   +2 more sources

An Empirical Study of Deep Learning Models for LED Signal Demodulation in Optical Camera Communication

Network, 2021
Optical camera communication is an emerging technology that enables communication using light beams, where information is modulated through optical transmissions from light-emitting diodes (LEDs).
AbdulHaseeb Ahmed, Sethuraman Trichy Viswanathan, MD Rashed Rahman, Ashwin Ashok   +3 more
doaj   +3 more sources

Farm Monitoring System with Drones and Optical Camera Communication [PDF]

Sensors
Drones have been attracting significant attention in the field of agriculture. They can be used for various tasks such as spraying pesticides, monitoring pests, and assessing crop growth.
Shinnosuke Kondo, Naoto Yoshimoto, Yu Nakayama   +2 more
doaj   +2 more sources

Design and Implementation of a Hybrid Optical Camera Communication System for Indoor Applications [PDF]

Sensors
Optical wireless communication is a promising emerging technology that addresses the limitations of radio-frequency-based wireless technologies. This study presents a new hybrid modulation method for optical camera communication (OCC), which integrates ...
Huy Nguyen, Nam Tuan Le, Duy Tuan Anh Le, Yeong Min Jang   +3 more
doaj   +2 more sources

Performance Analysis and Improvement of Optical Camera Communication

Applied Sciences, 2018
Optical camera communication (OCC) is a technology in which a camera image sensor is employed to receive data bits sent from a light source. OCC has attracted a lot of research interest in the area of mobile optical wireless communication due to the ...
Moh. Khalid Hasan, Mostafa Zaman Chowdhury, Md. Shahjalal, Van Thang Nguyen, Yeong Min Jang   +4 more
doaj   +3 more sources