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

Photoreceptors and Plant Responses to Light02:00

Photoreceptors and Plant Responses to Light

28.9K
Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides other important cues to regulate a range of developmental and physiological responses in plants.
28.9K
P-N junction01:11

P-N junction

1.6K
A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...
1.6K
Photoelectric Effect02:26

Photoelectric Effect

40.9K
When light of a particular wavelength strikes a metal surface, electrons are emitted. This is called the photoelectric effect. The minimum frequency of light that can cause such emission of electrons is called the threshold frequency, which is specific to the metal. Light with a frequency lower than the threshold frequency, even if it is of high intensity, cannot initiate the emission of electrons. However, when the frequency is higher than the threshold value, the number of electrons ejected...
40.9K
Light as Energy01:35

Light as Energy

98.2K
The energy required to carry out photosynthesis is light— typically electromagnetic radiation from the sun. The range of all possible wavelengths is known as the electromagnetic spectrum.
Photons
A photon is a discrete electromagnetic particle or bundle of energy. Photons are characterized by their frequency, wavelength, and amplitude, similar to the properties of a wave. Waves with higher frequencies transmit more energy and have shorter wavelengths than longer wavelengths that transmit...
98.2K
Photoluminescence: Applications01:14

Photoluminescence: Applications

1.2K
Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
1.2K
Sleep-Wake Cycles01:24

Sleep-Wake Cycles

3.2K
Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
3.2K

You might also read

Related Articles

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

Sort by
Same author

An improved facial emotion recognition system using convolutional neural network for the optimization of human robot interaction.

Scientific reports·2025
Same author

On the Energy Performance of Iridium Satellite IoT Technology.

Sensors (Basel, Switzerland)·2021
Same author

Effect of receiver shape and volume on the Alzheimer disease for molecular communication via diffusion.

IET nanobiotechnology·2020
Same author

IEEE 802.11-Enabled Wake-Up Radio: Use Cases and Applications.

Sensors (Basel, Switzerland)·2019
Same author

A Sigfox Energy Consumption Model.

Sensors (Basel, Switzerland)·2019
Same author

Urban Automation Networks: Current and Emerging Solutions for Sensed Data Collection and Actuation in Smart Cities.

Sensors (Basel, Switzerland)·2015

Related Experiment Video

Updated: Mar 23, 2026

In Situ Soil Moisture Sensors in Undisturbed Soils
08:20

In Situ Soil Moisture Sensors in Undisturbed Soils

Published on: November 18, 2022

7.8K

On-Demand Sensor Node Wake-Up Using Solar Panels and Visible Light Communication.

Carolina Carrascal1, Ilker Demirkol2,3, Josep Paradells4,5

  • 1Department of Telematics Engineering, Universitat Politecnica de Catalunya, Barcelona 08034, Spain. carolina.andrea.carrascal@alu-etsetb.upc.edu.

Sensors (Basel, Switzerland)
|March 25, 2016
PubMed
Summary

This study introduces a novel visible light communication (VLC) wake-up system for wireless sensor nodes. It significantly reduces energy waste by enabling nodes to sleep until needed, using solar energy harvesting for autonomous operation.

Keywords:
Visible Light Communication (VLC)energy harvestingsolar panelwake-up radiowake-up receiver

More Related Videos

An Integrated System to Remotely Trigger Intracellular Signal Transduction by Upconversion Nanoparticle-mediated Kinase Photoactivation
11:20

An Integrated System to Remotely Trigger Intracellular Signal Transduction by Upconversion Nanoparticle-mediated Kinase Photoactivation

Published on: August 30, 2017

7.9K
Robotic Sensing and Stimuli Provision for Guided Plant Growth
08:02

Robotic Sensing and Stimuli Provision for Guided Plant Growth

Published on: July 1, 2019

8.6K

Related Experiment Videos

Last Updated: Mar 23, 2026

In Situ Soil Moisture Sensors in Undisturbed Soils
08:20

In Situ Soil Moisture Sensors in Undisturbed Soils

Published on: November 18, 2022

7.8K
An Integrated System to Remotely Trigger Intracellular Signal Transduction by Upconversion Nanoparticle-mediated Kinase Photoactivation
11:20

An Integrated System to Remotely Trigger Intracellular Signal Transduction by Upconversion Nanoparticle-mediated Kinase Photoactivation

Published on: August 30, 2017

7.9K
Robotic Sensing and Stimuli Provision for Guided Plant Growth
08:02

Robotic Sensing and Stimuli Provision for Guided Plant Growth

Published on: July 1, 2019

8.6K

Area of Science:

  • Electrical Engineering
  • Computer Science
  • Wireless Communication

Background:

  • Wireless sensor nodes (WSNs) consume significant energy in standby mode.
  • Existing wake-up systems often rely on radio frequency (RF) technologies.
  • There is a need for energy-efficient solutions to prolong WSN operational life.

Purpose of the Study:

  • To propose and evaluate a novel on-demand wake-up system for wireless sensor nodes.
  • To develop the first visible light communication (VLC)-based wake-up system.
  • To reduce or eliminate energy waste from WSN standby modes.

Main Methods:

  • Development of a VLC-based wake-up system utilizing off-the-shelf indoor solar panels.
  • Integration of energy harvesting capabilities within the wake-up receiver.
  • Experimental evaluation including flickering characterization and wake-up range assessment.

Main Results:

  • The developed system effectively wakes up wireless sensor nodes using visible light signals.
  • The integrated solar panel successfully harvests enough energy for autonomous operation.
  • Reasonable wake-up distances were achieved in indoor environments suitable for VLC.

Conclusions:

  • The VLC-based wake-up system offers a viable alternative to RF-based solutions for energy saving in WSNs.
  • The system extends VLC applications and enables new areas like VLC tags.
  • This approach is particularly effective in indoor settings where VLC is prevalent.