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Home > Press > At CES 2020, CEA-Leti Will Demo System that Eliminates Interference in LiFi Networks: System from CEA-Leti Detects Interference And Optimizes Data Transmission Rates for Each Nearby Device

Abstract:
LiFi, or visible-light communication, has significant advantages over WiFi, such as data-transmission speed and the data security it offers because light does not penetrate walls. But wide adoption is constrained primarily because of interference between devices using LiFi networks and LiFiís resulting poor performance in large areas.

At CES 2020, CEA-Leti Will Demo System that Eliminates Interference in LiFi Networks: System from CEA-Leti Detects Interference And Optimizes Data Transmission Rates for Each Nearby Device

Grenoble, France | Posted on December 20th, 2019

Until now. CEA-Letiís LiFi-multicell system is the first-ever smart interference orchestrator that automatically detects interference between lighting zones in networks and optimizes data transmission rates for each nearby device. The system also managesóasymmetrically and independentlyóuplink/downlink interference.



At CES 2020, CEA-Leti will demonstrate LiFi-multicell, which offers several advantages in addition to eliminating interference and supporting large-area coverage. These include uninterrupted connectivity for users moving in a network and fair allocation of resources between users who are experiencing interference and those who are not. The CEA-Leti technology is able to provide data-transmission rates up to 150 Mb/s over distances up to three meters by LED.




CES 2020 Demo

Visitors at CEA-Letiís booth at Eureka Park - Sands Expo - booth #50463 will be able to rotate a table with three tablet computers on top to create interference. When a tablet enters the interference, the orchestrator detects its presence and optimizes the time slots allocated to nearby devices to mitigate the interference. The orchestrator can be hosted automatically by one of the light sources in the network.

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About CEA Leti
Leti, a technology research institute at CEA Tech, is a global leader in miniaturization technologies enabling smart, energy-efficient and secure solutions for industry. Founded in 1967, Leti pioneers micro-& nanotechnologies, tailoring differentiating applicative solutions for global companies, SMEs and startups. Leti tackles critical challenges in healthcare, energy and digital migration. From sensors to data processing and computing solutions, Letiís multidisciplinary teams deliver solid expertise, leveraging world-class pre-industrialization facilities. With a staff of more than 1,900, a portfolio of 2,700 patents, 91,500 sq. ft. of cleanroom space and a clear IP policy, the institute is based in Grenoble, France, and has offices in Silicon Valley and Tokyo. Leti has launched 60 startups and is a member of the Carnot Institutes network. Follow us on www.leti-cea.com and @CEA_Leti.



Follow us on www.leti.fr/en and @CEA_Leti.



CEA Tech is the technology research branch of the French Alternative Energies and Atomic Energy Commission (CEA), a key player in innovative R&D, defence & security, nuclear energy, technological research for industry and fundamental science, identified by Thomson Reuters as the second most innovative research organization in the world. CEA Tech leverages a unique innovation-driven culture and unrivalled expertise to develop and disseminate new technologies for industry, helping to create high-end products and provide a competitive edge.

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