Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Propagation Speed of Electromagnetic Waves

Propagation Speed of Electromagnetic Waves

Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:

Maximum Power Transfer

Maximum Power Transfer

Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...

Power Factor Correction

Power Factor Correction

The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.

Transmission Line Design Considerations

Transmission Line Design Considerations

Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...

MOSFET: Enhancement Mode

MOSFET: Enhancement Mode

Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...

Biasing of FET

Biasing of FET

Biasing a Junction Field Effect Transistor (JFET) is crucial for setting operational parameters and ensuring efficient functioning in electronic circuits. JFETs are characterized by using a single carrier type in N-channel or P-channel configurations, where the channel is surrounded by PN junctions. These junctions are central to the device's ability to control current flow.
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...

You might also read

Related Articles

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

Sort by

Same author

CanRestoreFunction: Cancer-related fatigue management eHealth intervention- a pilot pragmatic randomized-control trial.

Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer·2026

Same author

Phase II trial protocol of focal prostate ablation combined with androgen deprivation therapy for prostate cancer treatment.

PloS one·2025

Same author

Post-stroke Fatigue and Brain Excitability: An Exploratory TMS Study.

Restorative neurology and neuroscience·2025

Same author

COL22A1 expression identifies aggressive glioma and independently predicts survival through integrated multiomics and clinical validation.

Discover oncology·2025

Same author

Demographic and Acoustic Factors related to Automatic Speech Recognition Inaccuracies for Child African American English Speakers.

Perspectives of the ASHA special interest groups·2025

Same author

Living Near Contamination: The Impacts on Personal Well-Being.

Applied research in quality of life·2025

Search research articles

Related Experiment Video

Updated: May 7, 2025

Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

High-speed FSO-5G wireless communication system with enhanced loss compensation using high-power EDFA.

Stotaw Talbachew Hayle¹, Hua-Yi Hsu², Chia-Peng Wang¹

¹Institute of Electro-Optical Engineering, National Taipei University of Technology, Taipei, 10608, Taiwan.

Scientific Reports

|January 3, 2025

Summary

This study presents a novel bidirectional free-space optical (FSO) and 5G wireless system. The integrated system uses an erbium-doped fibre amplifier (EDFA) for high-speed data transmission and extended 5G coverage.

More Related Videos

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Related Experiment Videos

Last Updated: May 7, 2025

Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Area of Science:

Telecommunications Engineering
Optical Communications
Wireless Communications

Background:

Existing wireless communication systems face challenges in providing high-speed data rates and extended coverage.
Free-space optical (FSO) communication offers high bandwidth but is susceptible to atmospheric losses.
5G wireless technology requires robust infrastructure for seamless connectivity.

Purpose of the Study:

To develop and demonstrate a novel bidirectional hybrid system integrating free-space optical (FSO) communication with 5G wireless links.
To enhance signal strength and compensate for losses in FSO transmission using a high-power erbium-doped fibre amplifier (EDFA).
To achieve high-speed data transmission and reliable performance for extending 5G coverage.

Main Methods:

Integration of a bidirectional FSO communication system with 5G wireless links.
Utilization of a high-power erbium-doped fibre amplifier (EDFA) for signal amplification and loss compensation.
Employment of Fibre Bragg grating sensors as cost-effective wavelength selectors.

Main Results:

Successful bidirectional transmission of 16-quadrature amplitude modulation orthogonal frequency division multiplexing signals.
Achieved total data rates of 21-Gb/s for downlink and 30-Gb/s for uplink over a 1.6-km FSO link integrated with 5G.
Demonstrated low bit error rates (BER) and error vector magnitude (EVM), indicating system reliability.

Conclusions:

The novel bidirectional FSO-5G system effectively integrates high-speed optical and wireless communication technologies.
The use of EDFA and Fibre Bragg gratings provides a cost-effective solution for enhanced performance and loss compensation.
This hybrid system offers a viable solution for extending 5G coverage in diverse geographical areas.