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Goldsmiths - University of London

Congestion Control in Wireless Sensor Networks based on Bird Flocking Behaviour

Antoniou, Pavlos; Pitsillides, Andreas; Blackwell, Tim M.; Engelbrecht, Andries and Michael, Loizos. 2013. Congestion Control in Wireless Sensor Networks based on Bird Flocking Behaviour. Computer Networks, 57(5), pp. 1167-1191. ISSN 1389-1286 [Article]

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Abstract or Description

This paper proposes that the flocking behavior of birds can guide the design of a robust, scalable and self-adaptive congestion control protocol in the context of wireless sensor networks (WSNs). The proposed approach adopts a swarm intelligence paradigm inspired by the collective behavior of bird flocks. The main idea is to ‘guide’ packets (birds) to form flocks and flow towards the sink (global attractor), whilst trying to avoid congestion regions (obstacles). The direction of motion of a packet flock is influenced by repulsion and attraction forces between packets, as well as the field of view and the artificial magnetic field in the direction of the artificial magnetic pole (sink). The proposed approach is simple to implement at the individual node, involving minimal information exchange. In addition, it displays global self-∗ properties and emergent behavior, achieved collectively without explicitly programming these properties into individual packets. Performance evaluations show the effectiveness of the proposed Flock-based Congestion Control (Flock-CC) mechanism in dynamically balancing the offered load by effectively exploiting available network resources and moving packets to the sink. Furthermore, Flock-CC provides graceful performance degradation in terms of packet delivery ratio, packet loss, delay and energy tax under low, high and extreme traffic loads. In addition, the proposed approach achieves robustness against failing nodes, scalability in different network sizes and outperforms typical conventional approaches.

Item Type: Article

Identification Number (DOI):

https://doi.org/10.1016/j.comnet.2012.12.008

Departments, Centres and Research Units:

Computing
Research Office > REF2014

Dates:

DateEvent
7 April 2013Published

Item ID:

9091

Date Deposited:

11 Oct 2013 13:30

Last Modified:

20 Jun 2017 09:41

URI: http://research.gold.ac.uk/id/eprint/9091
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