NDLI: Coordinated flocking of UAVs for improved connectivity of mobile ground nodes

Content Provider	IEEE Xplore Digital Library
Author	Basu, P. Redi, J. Shurbanov, V.
Copyright Year	2004
Description	Author affiliation: BBN Technol., Cambridge, MA, USA (Basu, P.; Redi, J.; Shurbanov, V.)
Abstract	Unmanned aerial vehicles (UAV) have been used by the military for surveillance and reconnaissance operations for the past few decades. The recent proliferation of wireless networking technologies enables the equipment of UAVs with wireless transceivers, and that can in turn allow them to communicate with the friendly ground nodes as well as other UAVs. Since rugged ground terrain can result in significant signal attenuation, the ground network can be severely partitioned. However the lower propagation loss between ground and airborne nodes can be effectively utilized to connect the islands of connectivity on the ground to farm a unified ad hoc network. In this paper, we investigate the UAV placement and navigation strategies with the end goal of improving network connectivity. Since the ground nodes can be mobile, a fixed placement strategy is either inadequate or wasteful; hence, we propose to use local flocking rules that aerial living beings like birds and insects follow, to meet our goals. We show by simulation that a flocking based navigation strategy is adaptive to the motion of ground nodes and can indeed maintain high connectivity in a mobile ground network.
Starting Page	1628
Ending Page	1634
File Size	1178711
Page Count	7
File Format	PDF
ISBN	078038847X
DOI	10.1109/MILCOM.2004.1495182
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-31
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Unmanned aerial vehicles Navigation Surveillance Reconnaissance Transceivers Attenuation Propagation losses Ad hoc networks Birds Insects
Content Type	Text
Resource Type	Article

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