Huneed And Latécoère Demonstrated Li Fi Technology For Ships At The Seoul ADEX 2021
ADEX 2021 was recently held for few days. In that exhibition, Huneed Technologies and French Groupe Latécoère demonstrated Li Fi systems uses for ships.
Huneed Technologies
Founded in 1968, Huneed Technologies is a Korean developer and manufacturer of airborne systems, and defense communication systems. As a key provider of harnesses and panels for airborne systems as well as key tactical communication equipment and control systems for the ROK military along with an array of other solutions and services, Huneed has quickly established itself as a proven commodity and an industry asset in a fierce market.
Built on initiative, innovation, and grit, Huneed has worked relentlessly to achieve excellence in the way we do business from top to bottom. To this end, Huneed has built a reputation as a trusted partner. We know the importance of partnership and are dedicated to industry cooperation and mutual growth to create business opportunities and success through alliance. Huneed boasts a host of global and local Industry partners including Airbus Defense & Space, Airbus Helicopters, Safran, Korea Aerospace Industries, Northrop Grumman, and ROK armed forces.
A spokesperson for Huneed stated to Naval News that “Li-Fi technology uses light instead of radio waves. This gives it a multitude of advantages over other communications technology,”.
“Li-Fi is around 10 times as fast as traditional communications systems. Moreover, radio waves from traditional communications systems, such as WiFi, can be intercepted quite easily. Because Li-Fi uses light to transmit information, it is impossible to intercept.”
Huneed Technologies and Groupe Latécoère, on the one hand, and SK Telecom, on the other, are competing against one another to be selected as the supplier for communications systems on Republic of Korea Navy vessels. “Our system is much cheaper than the LTE alternative being offered by SK Telecom,” the spokesperson said.
Despite these advantages, the system still has its shortcomings. To begin with, if an object blocks the light from reaching the receiver, communication can be disrupted. Moreover, Li-Fi has limited range due to the system based on light.
“We’ve worked to attenuate these weaknesses,” the spokesperson continued. “Our latest system can emit light across a wide area so that communication will not be easily disrupted by objects. Moreover, we plan on increasing the system’s range to almost two kilometres within the next two years. This means that Li-Fi will even allow communication between ships, in addition to communication between different parts of a single ship.”
Article source: https://www.navalnews.com/naval-news/2021/10/adex-2021-huneed-and-latecoere-showcase-li-fi-system-for-ships/
What is Li Fi?
Li-Fi, also known as "Light Fidelity" is a wireless optical networking technology, which uses light-emitting diodes (LEDs) to transmit data. In 2011, professor Harald Haas made a Li-Fi demonstration at the TED (Technology, Entertainment, Design) Global Talk on Visible Light Communication (VLC).
VLC uses light as a medium to deliver high-speed communication like Wi-Fi and complies with the IEEE standard IEEE 802.15.7. The IEEE 802.15.7 is a high-speed, bidirectional, and fully networked wireless communication technology-based standard similar to Wi-Fi's IEEE 802.11.
How does Li Fi work?
Li-Fi is a high speed, bidirectional, and fully networked wireless communication of data using light. Li-Fi constitutes of several light bulbs that form a wireless network.
When an electrical current goes through to a LED light bulb, a stream of light (photons) emits from the lamp. LED bulbs are semiconductor devices, which means that the brightness of the light flowing through them can change at extremely high speeds. The signal is sent by modulating the light at different rates. The signal can then be received by a detector that interprets the changes in light intensity (the signal) as data. Also when the LED is ON, you transmit a digital 1, and when it is OFF, you transmit a 0.
Li Fi Benefits
The primary benefits of Li-Fi are as follows:
• Security: Provides entirely secure access. Where there is no light there is no data.
• Safety: Does not produce electromagnetic radiation and does not interfere with existing electronic systems.
• Localisation: Allows localisation due to the small coverage area of Li-Fi access point - localisation can be used for very precise asset tracking.
• Data density: Provides ubiquitous high-speed wireless access that offers substantially greater data density (data rate per unit area) than RF through high bandwidth reuse.
Credit to Signify
Li Fi Applications
Li-Fi can be used for so many applications and the list is increasing every year. You can read our updated list of Li-Fi applications at the following link:
Credit to pureLiFi
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