Results 31 to 40 of about 2,753 (157)

Hybrid Optical Wireless Communication for Versatile IoT Applications: Data Rate Improvement and Analysis

IEEE Access, 2023
This paper outlines the concept of a multilevel bipolar on-off keying hybrid optical wireless communication (OWC) system using a single light-emitting diode (LED) as a transmitter as well as photodiode and camera-based receivers for versatile indoor ...
Shivani Rajendra Teli, Carlos Guerra-Yanez, Vicente Matus Icaza, Rafael Perez-Jimenez, Zabih Ghassemlooy, Stanislav Zvanovec   +5 more
doaj   +1 more source

Modelization and Characterization of a CMOS Camera as an Optical Real-Time Oscilloscope

IEEE Photonics Journal, 2020
Complementary Metal-Oxide Semiconductor (CMOS) camera sensors are embedded in many consumer electronics products: thanks to the Rolling Shutter (RS) readout mode, they can detect a time-varying light intensity, which is the key to realize Optical Camera ...
Giulio Cossu, Alessandro Sturniolo, Ernesto Ciaramella   +2 more
doaj   +1 more source

Bubble-Wave-Mitigation Algorithm and Transformer-Based Neural Network Demodulator for Water-Air Optical Camera Communications

IEEE Photonics Journal, 2023
Optical camera communication (OCC) has been widely employed in various applications as a flexible and cost-effective means of communication both on land and underwater.
Maolin Li, Peng Ling, Shangsheng Wen, Xiandong Chen, Fei Wen   +4 more
doaj   +1 more source

Asynchronous Scheme for Optical Camera Communication-Based Infrastructure-to-Vehicle Communication

International Journal of Distributed Sensor Networks, 2015
This paper introduces infrastructure-to-vehicle (I2V) communication based on asynchronous optical camera communication (OCC), the transmitter of which can be an LED traffic light or electronic display, with the receiver being the existing front vehicle ...
Trang Nguyen, Nam Tuan Le, Yeong Min Jang   +2 more
doaj   +1 more source

VLC/OCC Hybrid Optical Wireless Systems for Versatile Indoor Applications

IEEE Access, 2019
In this paper, a hybrid scheme for optical wireless communications using LED lamps is proposed. This scheme allows both visible light communication (VLC) using photodetectors and optical camera communication (OCC) using image sensors of a camera to ...
Duy Thong Nguyen, Sangcheol Park, Yoonsung Chae, Youngil Park   +3 more
doaj   +1 more source

An LED Detection and Recognition Method Based on Deep Learning in Vehicle Optical Camera Communication

IEEE Access, 2021
In the Vehicle to Vehicle (V2V) communication based on Optical Camera Communication (OCC), optical signals are transmitted using LED arrays and received employing cameras.
Xu Sun, Wenxiao Shi, Qing Cheng, Wei Liu, Zhuo Wang, Jiadong Zhang   +5 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

Exposure Synchronization in Optical Camera Communications for Time Division Multiplexing

IEEE Photonics Journal, 2023
Optical camera communication (OCC) is a type of visible light communication that employs a camera as the receiver. Various flicker-free OCC methods using a general-purpose low-frame rate camera have been proposed.
Hiroaki Matsunaga, Tomohiro Yendo, Shintaro Arai, Takaya Yamazato   +3 more
doaj   +1 more source

A Novel Neural Network-Based Method for Decoding and Detecting of the DS8-PSK Scheme in an OCC System

Applied Sciences, 2019
This paper proposes a novel method of training and applying a neural network to act as an adaptive decoder for a modulation scheme used in optical camera communication (OCC). We present a brief discussion on trending artificial intelligence applications,
Tung Lam Pham, Huy Nguyen, Trang Nguyen, Yeong Min Jang   +3 more
doaj   +1 more source

Enhancing Optical Camera Communication Performance for Collaborative Communication Using Positioning Information

IEEE Access
Optical camera communication (OCC) has emerged as a promising alternative technology for radio frequency (RF)-based communication systems. However, existing OCC approaches only consider transmitting data through broadcasting, without any ability for ...
Ida Bagus Krishna Yoga Utama, Ones Sanjerico Sitanggang, Muhammad Rangga Aziz Nasution, Md. Ibne Joha, Jaejun Yoo, Yeong Min Jang   +5 more
doaj   +1 more source