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Related Experiment Videos

Cross-layer active predictive congestion control protocol for wireless sensor networks.

Jiangwen Wan1, Xiaofeng Xu, Renjian Feng

  • 1School of Instrument Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics (Beihang University), Beijing 100191, China; E-Mails: rjfeng@buaa.edu.cn (R.J.F.); yfwu@buaa.edu.cn (Y.F.W.).

Sensors (Basel, Switzerland)
|March 13, 2012
PubMed
Summary
This summary is machine-generated.

This study introduces a cross-layer active predictive congestion control (CL-APCC) scheme to combat network congestion in wireless sensor networks (WSNs). The CL-APCC scheme enhances network performance, fairness, and lifetime.

Keywords:
congestion controlcross-layer protocoldynamic prioritywireless sensor networks

Related Experiment Videos

Area of Science:

  • Computer Science
  • Network Engineering
  • Wireless Communication

Background:

  • Wireless Sensor Networks (WSNs) are prone to congestion due to factors like many-to-one communication, interference, topology changes, and limited node memory.
  • These vulnerabilities can significantly degrade network performance and lifespan.

Purpose of the Study:

  • To propose a novel cross-layer active predictive congestion control (CL-APCC) scheme for WSNs.
  • To enhance network performance, specifically addressing congestion, fairness, and node lifetime.

Main Methods:

  • Utilizes queuing theory to analyze single-node data flows and local network memory status.
  • Incorporates analysis of local network data trends to predict and adjust node sending rates.
  • Modifies the IEEE 802.11 protocol to dynamically adjust sending priorities based on waiting time, neighbor count, and packet priority.

Main Results:

  • Extensive simulation experiments demonstrate the CL-APCC scheme's effectiveness in mitigating WSN congestion.
  • The proposed scheme shows significant improvements in network fairness.
  • The CL-APCC scheme exhibits a notable advantage in extending the overall network lifetime.

Conclusions:

  • The CL-APCC scheme provides an efficient solution for congestion control in WSNs.
  • The scheme successfully improves network fairness and prolongs the operational lifespan of WSNs.