Related Experiment Video
Updated: Oct 12, 2025
05:30
Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
Published on: September 8, 2023
731
An Energy-Saving Forwarding Mechanism Based on Clustering for Opportunistic Networks
Gilmara Santos1, Diogo Soares1, Celso Carvalho2
1Institute of Computing, Federal University of Amazonas, Manaus 69080-900, Brazil.
Sensors (Basel, Switzerland)
|November 27, 2021
Summary
This study introduces eGPDMI, a routing mechanism for Opportunistic Networks (OppNets). It enhances message delivery probability and optimizes energy consumption by grouping nodes based on energy levels and interests.
Area of Science:
- Computer Science
- Network Engineering
Background:
- Opportunistic Networks (OppNets) rely on node mobility and contact for message exchange.
- Node collaboration is crucial for OppNets performance, but energy constraints can hinder cooperation.
Purpose of the Study:
- To propose an energy-efficient routing mechanism, eGPDMI, for Opportunistic Networks.
- To improve message delivery probability while optimizing node energy consumption in OppNets.
Main Methods:
- Developed the eGPDMI routing mechanism, which employs clustering to group nodes by energy level and interests.
- Utilized questionnaire application and factorial design experiments to analyze the impact of energy levels.
- Evaluated eGPDMI performance using real-world mobility scenarios.
Main Results:
- The eGPDMI mechanism effectively reduces the degradation of message delivery probability as the minimum energy threshold for cooperation increases.
- Retaining messages in high-energy nodes improves network performance and overcomes disconnection issues.
Conclusions:
- eGPDMI offers a viable solution for enhancing message delivery and energy efficiency in OppNets.
- Node energy level is a critical factor influencing cooperation and network performance in OppNets.
Related Concept Videos
01:16Maximum Power Transfer
485
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...
By substituting the entire circuit with...
485
01:21Distributed Loads: Problem Solving
814
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
814
02:12Short-distance Transport of Resources
16.6K
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.
16.6K
01:20Cluster Sampling Method
13.1K
Appropriate sampling methods ensure that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
To choose a cluster sample, divide the population into clusters (groups) and then randomly select some of the clusters. All the members from these clusters are in the cluster sample. For example, if you randomly sample four departments from your...
To choose a cluster sample, divide the population into clusters (groups) and then randomly select some of the clusters. All the members from these clusters are in the cluster sample. For example, if you randomly sample four departments from your...
13.1K
01:25Network Function of a Circuit
422
Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.
422
01:37Energy to Drive Translocation
2.2K
Mitochondrial protein import is powered by two distinct energy sources: ATP hydrolysis and electrochemical potential across the inner membrane. Newly synthesized precursors are bound by cytosolic chaperones of the Hsp70 family, which guide them to the import receptors on the mitochondrial surface. Utilizing the energy of ATP hydrolysis, Hsp70 chaperones transfer these precursors to the TOM receptors on the mitochondrial outer membrane.
Generally, polypeptides are unfolded by two distinct...
Generally, polypeptides are unfolded by two distinct...
2.2K