Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Design of Columns under a Centric Load01:17

Design of Columns under a Centric Load

559
The design of columns under centric load is a fundamental aspect of structural engineering and is critical for ensuring the stability and integrity of structures. Euler's and Secant's formulas are central to understanding and calculating the critical load and deformation behaviors of columns, providing a basis for safe and effective structural design.
Euler's formula is applicable under the assumption that the column is a perfect, straight, homogenous prism, and it is operating...
559
Short-distance Transport of Resources02:12

Short-distance Transport of Resources

17.7K
Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
17.7K
Colors and Magnetism03:02

Colors and Magnetism

14.1K
Color in Coordination Complexes
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...
14.1K
Color Vision01:24

Color Vision

1.5K
Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
1.5K
Protein Networks02:26

Protein Networks

4.5K
An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
4.5K
Trial and Error and Algorithm01:12

Trial and Error and Algorithm

411
A problem-solving strategy is a plan of action used to find a solution. Different strategies have distinct action plans. Trial and error involves trying different solutions until one works. For instance, to fix a broken printer, you might check ink levels, ensure the paper tray isn't jammed, and verify the printer's connection to your laptop. This method can be time-consuming but is commonly used. Thomas Edison, for example, used trial and error to find a suitable filament for the light...
411

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

WNK4 Enhances Anti-PD-1 Resistance and Promotes Tumor Progression in Hepatocellular Carcinoma by Reprogramming Cysteine Metabolism in Cancer-Associated Fibroblasts.

FASEB journal : official publication of the Federation of American Societies for Experimental Biology·2026
Same author

Palladium-Catalyzed Intramolecular Asymmetric Allylic Amidation: A General Route to 5-Substituted Chiral Oxazolines.

Chemistry (Weinheim an der Bergstrasse, Germany)·2026
Same author

Laparoscopic right caudate lobectomy combined with right posterior lobectomy for hepatocellular carcinoma after neoadjuvant therapy (with video).

Surgical oncology·2026
Same author

Amplitude-Frequency Response Characteristics and Parameter Optimization of a Bistable Nonlinear Energy Sink Under Wide-Frequency Harmonic Excitation.

Materials (Basel, Switzerland)·2026
Same author

Cardiopulmonary fitness and quality of life improvements in atrial fibrillation patients following exercise-based cardiac rehabilitation: meta-analysis of randomized control trials.

Clinics (Sao Paulo, Brazil)·2026
Same author

Optimal Design of Electromagnetic Absorber Based on Magnetic Field Directional Consistency.

Materials (Basel, Switzerland)·2026

Related Experiment Video

Updated: Feb 2, 2026

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
11:53

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

Published on: December 9, 2012

13.5K

User-centric quality of experience optimized resource allocation algorithm in VLC network with multi-color LED.

Xu Bao, Xinxin Gu, Wence Zhang

    Optics Express
    |November 25, 2018
    PubMed
    Summary

    Multi-color white LEDs enhance visible light communication (VLC) by enabling faster speeds and better color. A new user-centric scheduling scheme improves quality of experience and supports more users than traditional methods.

    More Related Videos

    Generating De Novo Antigen-specific Human T Cell Receptors by Retroviral Transduction of Centric Hemichain
    08:48

    Generating De Novo Antigen-specific Human T Cell Receptors by Retroviral Transduction of Centric Hemichain

    Published on: October 25, 2016

    9.0K
    Closed-loop Neuro-robotic Experiments to Test Computational Properties of Neuronal Networks
    11:18

    Closed-loop Neuro-robotic Experiments to Test Computational Properties of Neuronal Networks

    Published on: March 2, 2015

    10.8K

    Related Experiment Videos

    Last Updated: Feb 2, 2026

    Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
    11:53

    Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

    Published on: December 9, 2012

    13.5K
    Generating De Novo Antigen-specific Human T Cell Receptors by Retroviral Transduction of Centric Hemichain
    08:48

    Generating De Novo Antigen-specific Human T Cell Receptors by Retroviral Transduction of Centric Hemichain

    Published on: October 25, 2016

    9.0K
    Closed-loop Neuro-robotic Experiments to Test Computational Properties of Neuronal Networks
    11:18

    Closed-loop Neuro-robotic Experiments to Test Computational Properties of Neuronal Networks

    Published on: March 2, 2015

    10.8K

    Area of Science:

    • Optical Communications
    • Wireless Networking
    • Solid-State Lighting

    Background:

    • Visible Light Communication (VLC) offers dual functionality for indoor illumination and high-speed data transmission.
    • Inter-cell interference (ICI) and supporting multiple users degrade VLC performance.
    • Multi-color LEDs improve color rendering and enable multi-channel parallel transmission for enhanced VLC speeds.

    Purpose of the Study:

    • To propose a user-centric (UC) quality of experience (QoE) optimization scheduling scheme for VLC downlink systems.
    • To investigate the performance of VLC systems using 3-color and 4-color synthetic white LEDs.
    • To compare the proposed UC scheme with traditional network-centric (NC) designs.

    Main Methods:

    • Utilized multi-color synthesized white LEDs for illumination and signal transmission.
    • Developed a user-centric dynamic network model for QoE optimization.
    • Designed a greedy algorithm for optical bandwidth allocation and optimal AP-UE link searching.
    • Analyzed performance under uniform and Poisson user distribution scenarios.

    Main Results:

    • The proposed UC scheme guarantees user quality of experience (QoE) while maintaining illumination quality.
    • Multi-color LEDs significantly improve VLC transmission speed compared to ordinary LEDs.
    • The UC scheme successfully schedules more users compared to traditional network-centric designs.
    • Performance analysis considered different user spatial distributions (uniform, Poisson).

    Conclusions:

    • Multi-color LEDs are effective for high-speed, high-quality VLC systems.
    • The user-centric scheduling scheme enhances user experience and system capacity.
    • The proposed approach offers a robust solution for future indoor VLC networks.