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

Maximum Power Transfer01:16

Maximum Power Transfer

1.2K
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...
1.2K
Upsampling01:22

Upsampling

745
Managing signal sampling rates is essential in digital signal processing to maintain signal integrity. A decimated signal, characterized by a reduced frequency range due to its lower sampling rate, can be upsampled by inserting zeros between each sample. This upsampling process expands the original spectrum and introduces repeated spectral replicas at intervals dictated by the new Nyquist frequency. To refine this zero-inserted sequence, it is passed through a lowpass filter with a cutoff...
745
Frequency-Domain Interpretation of PD Control01:24

Frequency-Domain Interpretation of PD Control

446
Proportional-Derivative (PD) controllers are widely used in fan control systems to improve stability and performance. A fan control system can be effectively represented using a Bode plot to illustrate the impact of a PD controller through its transfer function. The Bode plot visually conveys how PD control modifies the fan's response across various frequencies, providing a frequency domain interpretation of the controller's behavior.
The proportional control gain, combined with the...
446

You might also read

Related Articles

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

Sort by
Same author

Leucine-Restricted Diet Attenuates Small Intestinal Tumorigenesis in Apc<sup>Min</sup> <sup>/+</sup> Mice.

Food science & nutrition·2026
Same author

Molecular Relapse After a Second Treatment-Free Remission Attempt Following Asciminib in Chronic Myeloid Leukemia: A Case Report.

Case reports in hematology·2026
Same author

Long-Term Outcomes After Endoscopic Resection for Strictly Defined Ulcerative Colitis-Associated Neoplasia: An Exploratory Retrospective Cohort Study.

Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society·2026
Same author

Infection, Angiogenesis, and Host-Microbe Interactions: Does VEGF Signaling Affect Wound Healing After Anal Fistula Surgery?

Digestive diseases and sciences·2026
Same author

Clinicopathological features and cancer-specific survival in young patients with ulcerative colitis-associated colorectal neoplasia: a nationwide cohort study in Japan.

Inflammatory bowel diseases·2026
Same author

FLT3 inhibitor and venetoclax therapy in elderly patients with relapsed/refractory <i>FLT3-ITD</i>+ AML: A report of three cases.

Leukemia research reports·2026

Related Experiment Video

Updated: May 3, 2026

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

9.7K

Energy efficient IM-DD OFDM-PON using dynamic SNR management and adaptive modulation.

Hideaki Kimura, Kota Asaka, Hirotaka Nakamura

    Optics Express
    |February 12, 2014
    PubMed
    Summary

    This study demonstrates an energy-efficient passive optical network by dynamically managing signal-to-noise ratio (SNR) and adaptive modulation. This approach significantly reduces digital signal processor energy consumption while meeting bit error rate requirements.

    Related Experiment Videos

    Last Updated: May 3, 2026

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
    09:43

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

    Published on: March 20, 2017

    9.7K

    Area of Science:

    • Optical Networking
    • Digital Signal Processing
    • Energy Efficiency

    Background:

    • Passive optical networks (PONs) are crucial for broadband access.
    • Energy consumption in PONs, particularly in digital signal processors (DSPs), is a growing concern.
    • Optimizing energy usage without compromising network performance is essential.

    Purpose of the Study:

    • To demonstrate an energy-efficient orthogonal frequency division multiplexing passive optical network (OFDM-PON).
    • To investigate the impact of dynamic signal-to-noise ratio (SNR) management and adaptive modulation on energy consumption.
    • To optimize calculation precision and modulation format for reduced energy usage.

    Main Methods:

    • Implemented dynamic SNR management and adaptive modulation techniques.
    • Controlled calculation precision and modulation format of the digital signal processor.
    • Experimentally validated the approach using an FPGA-based receiver.

    Main Results:

    • Achieved significant energy savings in the digital signal processor.
    • Demonstrated that calculation precision and modulation format can be optimized based on optical received power.
    • Realized a 58.7% effective energy efficiency per bit.

    Conclusions:

    • Dynamic SNR management and adaptive modulation are effective for energy-efficient OFDM-PONs.
    • Optimizing digital signal processor parameters based on received power minimizes energy consumption.
    • The experimental results validate the feasibility and effectiveness of the proposed energy-saving techniques.