Results 31 to 40 of about 3,547,609 (164)

>25 Gbit/s liFi with dual wavelength emission, eye-safe, laser based white light collimated and fiber delivered light sources [PDF]

open access: yes, 2021
We report on high-speed > 25 Gbit/s LiFi (Light Fidelity) communication systems deploying Semipolar GaN laser diode (LD) based single and dual wavelength emission, eye-safe, white light illumination light sources in collimated beam and fiber delivered ...
Lee, Changmin   +8 more
core   +2 more sources

Dual‐Color Emission from Monolithic m‐Plane Core–Shell InGaN/GaN Quantum Wells

open access: yesAdvanced Photonics Research, Volume 2, Issue 6, June 2021., 2021
A dual‐color emission is achieved from GaN microwires combining two monolithic core–shell multiple quantum well (MQW) sets. The shell is composed of 3× blue and 7× green m‐plane MQWs with In content measured equal to 15.7% and 23.5% covering 400–450 and 450–550 nm wavelength band emission, respectively. A flexible light‐emitting device integrating dual‐
Akanksha Kapoor   +8 more
wiley   +1 more source

A Mini Review of Lifi Technology : Security Issue [PDF]

open access: yes, 2022
Visible Light Communication (VLC) is an extension of Light Fidelity (LiFi) that uses full duplex communication or fully networked wireless communication. LiFi is one of the top technologies for solving wireless fidelity (WiFi) issues.
Ramadhani, Erika
core   +1 more source

A dynamic handover scheme based on bidirectional VLC channel in multi-user attocell networks

open access: yesEURASIP Journal on Wireless Communications and Networking, 2022
Light fidelity (LiFi) would be a potential optical wireless communications technology for future mixed-spectrum 5G/6G indoor attocell network, which uses light-emitting diodes based as an optical antenna and offers Gbits capacity.
Liqiang Wang   +5 more
doaj   +1 more source

Interference mitigation in LiFi networks [PDF]

open access: yes, 2022
Due to the increasing demand for wireless data, the radio frequency (RF) spectrum has become a very limited resource. Alternative approaches are under investigation to support the future growth in data traffic and next-generation high-speed wireless ...
Zeng, Zhihong
core   +1 more source

Learning Indoor Environment for Effective LiFi Communications: Signal Detection and Resource Allocation

open access: yesIEEE Access, 2022
Seamless light fidelity (LiFi) communications in a realistic indoor environment faces a number of important challenges including the loss of line-of-sight (LOS) link due to the random orientation of mobile devices or blockage by users or furniture in the
Nurul Aini Amran   +3 more
doaj   +1 more source

A Review of Failure Modes and Safety Strategies of Lithium-Ion Batteries from Materials to Systems. [PDF]

open access: yesAdv Sci (Weinh)
A cascade‐aware framework is presented for lithium‐ion battery safety, linking thermal runaway initiation, acceleration, runaway reaction, and propagation with material‐, cell/pack‐, and system‐level interventions. By integrating failure mechanisms, quantitative safety indicators, and staged interception strategies, this review highlights how safer ...
Yang JH   +8 more
europepmc   +2 more sources

Application and feasibility of Light Fidelity (LiFi) and power line communications (PLC) on U.S. Navy ships [PDF]

open access: yes, 2019
Surface ships in the modern Navy are moving from fluorescent lights to LED lights. New light communication techniques are slowly coming online and are bringing new communication applications that would provide more users and coverage on the ...
Paspalaris, Dimitri G.
core   +2 more sources

Investigation of OFDM-Based HS-PON Using Front-End LiFiSystem for 5G Networks

open access: yesPhotonics, 2023
Fifth-generation (5G) technology has enabled faster communication speeds, lower latency, a broader range of coverage, and greater capacity. This research aims to introduce a bidirectional high-speed passive optical network (HS-PON) for 5G applications ...
Meet Kumari   +3 more
doaj   +1 more source

Sequential Load Balancing for Link Aggregation Enabled Heterogeneous LiFi WiFi Network

open access: yesIEEE Open Journal of Vehicular Technology, 2022
Light fidelity (LiFi) is one of the promising communication technology for 6G internet of everything (IoE), however, it requires a line-of-sight (LoS) link; in contrast, WiFi can support moderate data rates even in the absence of LoS.
Rizwana Ahmad, Anand Srivastava
doaj   +1 more source

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