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A distance-aware replica adaptive data gathering protocol for Delay Tolerant Mobile Sensor Networks.

Yong Feng¹, Haigang Gong, Mingyu Fan

¹School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China. fybraver@163.com

Sensors (Basel, Switzerland)

|December 14, 2011

Summary

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This study introduces a new data gathering protocol for Delay Tolerant Mobile Sensor Networks (DTMSNs). The Distance-aware Replica Adaptive Data Gathering (DRADG) protocol reduces redundant message copies, improving network performance and conserving energy.

Area of Science:

Computer Science
Network Engineering
Wireless Communication

Background:

Delay Tolerant Mobile Sensor Networks (DTMSNs) face challenges with intermittent connectivity and dynamic topologies.
Multi-replica schemes are used to enhance data gathering but often increase energy consumption and resource contention.

Purpose of the Study:

To propose a novel data gathering protocol for DTMSNs that balances message delivery with resource efficiency.
To reduce the number of redundant message replicas without compromising network performance.

Main Methods:

Development of the Distance-aware Replica Adaptive Data Gathering (DRADG) protocol.
Implementation of a self-adapting algorithm to control message replica generation.
Utilization of mobile sensor delivery probabilities as primary routing metrics.

Keywords:

data gathering scheme delay tolerant mobile sensor networks delivery probability replica adaptive wireless sensor networks

Related Experiment Videos

Main Results:

The DRADG protocol demonstrates comparable or improved message delivery ratios compared to existing schemes.
DRADG significantly lowers transmission overhead, conserving network resources and node battery life.
Simulation results validate the protocol's effectiveness in resource-constrained DTMSN environments.

Conclusions:

The proposed DRADG protocol offers an effective solution for data gathering in DTMSNs.
DRADG achieves a favorable trade-off between message delivery performance and network resource utilization.
This adaptive approach is crucial for sustainable operation of mobile sensor networks.