Results 111 to 120 of about 452 (170)

Optical camera communications: Survey, use cases, challenges, and future trends [PDF]

, 2019
Recently, a camera or an image sensor receiver based optical wireless communications (OWC) techniques have attracted particular interest in areas such as the internet of things, indoor localization, motion capture, and intelligent transportation systems.
Al-Naffouri, Tareq Y., Park, Kihong, Alouini, Mohamed-Slim, Saeed, Nasir, Guo, Shuaishuai   +4 more
core   +1 more source

SDR-Based All-Optical MIMO Wireless Hybrid IoT Sensor Networks

IEEE Access
In this paper, we experimentally demonstrate and analyze the performance of a software-defined radio (SDR)-based all-optical multiple-input multiple-output (MIMO) wireless hybrid communication link for indoor Internet of Things (IoT) sensor networks.
Shivani Rajendra Teli, Carlos Guerra-Yanez, Zabih Ghassemlooy, Stanislav Zvanovec   +3 more
doaj   +1 more source

Wireless EEG signal transmission using visible light optical camera communication [PDF]

, 2018
Electroencephalogram (EEG) has been widely adopted for the brain monitoring. The transmission of the EEG signals captured from the scalp using electrodes to a displayed screen is often performed through wires utilizing Radio Frequency (RF) communication
Dai, Xuewu, Binns, R, Xuewu Dai, Geetika Aggarwal, Saatchi, R, Dai, X, Saatchi, Reza, Binns, Richard, Dai, Xuweu, Richard Binns, Bentley, E, Reza Saatchi, Edward Bentley, Busawon, Krishna, Bently, Edward, Krishna Busawon, Aggarwal, Geetika, Bentley, Edward, Aggarwal, G, Busawon, K   +19 more
core   +1 more source

Experimental Demonstration of a 1024-QAM Optical Camera Communication System [PDF]

, 2016
In this letter, we experimentally demonstrate a 1024-quadrature-amplitude-modulation (QAM) optical camera communications (OCC) system using a dual light-emitting diode (LED) and a commercial digital single-lens reflex camera.
Ghassemlooy, Zabih, Tang, Xuan, Tsai, Hsin-Mu, Han, Dahai, Le Minh, Hoa, Luo, Pengfei, Zhang, Min   +6 more
core   +1 more source

Experimental Evaluation of Wearable LED Strip for Outdoor Optical Camera Communications Systems [PDF]

In this paper, we experimentally demonstrate an outdoor optical camera communications (OCC) system utilizing a wearable light-emitting diode (LED) as the transmitter. We explore the practicality of employing commercial devices, such as an LED strip and a
Niarchou, Eleni, Guerra, Victor, Matus, Vicente, Rabadán, José A., Perez-Jimenez, Rafael   +4 more
core   +1 more source

Visible Light Optical Camera Communication for Electroencephalography Applications [PDF]

Due to the cable-free deployment and flexibility of wireless communications, the data transmission in the applications of home and healthcare has shown a trend of moving wired communications to wireless communications.
Aggarwal, Geetika
core  

Wearable Shaped Side-Emitting Fiber Transmitters for Optical Camera Communication [PDF]

Wearable communication is one of the key drivers in the Internet of Things (IoT) and body area networks for transmitting vital sensory data. Wearable devices must be lightweight, flexible, and have low energy consumption.
Ghassemlooy, Zabih, Zvanovec, Stanislav, Komanec, Matej, Guerra-Yanez, Carlos, Gomez-Cardenes, Oscar, Perez-Jimenez, Rafael, Eollos-Jarosikova, Klara   +6 more
core   +1 more source

TickRS: A High-Speed Gapless Signal Sampling Method for Rolling-Shutter Optical Camera Communication

Photonics
Using the rolling-shutter mechanism to enhance the signal sampling frequency of Optical Camera Communication (OCC) is a low-cost solution, but its periodic sampling interruptions may cause signal loss, and existing solutions often compromise ...
Yongfeng Hong, Xiangting Xie, Xingfa Shen   +2 more
doaj   +1 more source

Enhancing Computational Efficiency in Event-Based Optical Camera Communication Using N-Pulse Modulation [PDF]

Event cameras are bio-inspired devices that have revolutionized the acquisition of visual information by mimicking the neural architecture of the eye.
Jaime Aranda, Guerra, Victor, Jose Rabadan, Rabadán, José A., Victor Guerra, Aranda, Jaime, Rafael Perez-Jimenez, Perez-Jimenez, Rafael   +7 more
core   +1 more source

Bit Segmentation of Non-Line of Sight Data in Optical Camera Communication Using U-Net [PDF]

Baykal, Yahya/0000-0002-4897-0474; Ozkan, Cagla/0009-0003-2188-6314; Inan, Tolga/0000-0002-8612-122XOptical Camera Communication (OCC) utilizes image sensors to decode modulated light signals from light-emitting diodes (LEDs), offering a cost-effective ...
Inan, Tolga, Ozkan, Cagla, Baykal, Yahya
core   +1 more source