NDLI: Increasing packet delivery ratio in DSR by link prediction

Content Provider	IEEE Xplore Digital Library
Author	Liang Qin Kunz, T.
Copyright Year	2003
Description	Author affiliation: Dept. of Syst. & Comput. Eng., Carleton Univ., Ottawa, Ont., Canada (Liang Qin; Kunz, T.)
Abstract	Most existing on-demand mobile ad hoc network routing protocols continue using a route until a link breaks. During the route reconstruction, packets can be dropped, which will cause significant throughput degradation. In this paper, we add a link breakage prediction algorithm to the dynamic source routing (DSR) protocol. The mobile node uses signal power strength from the received packets to predict the link breakage time, and sends a warning to the source node of the packet if the link is soon-to-be-broken. The source node can perform a pro-active route rebuild to avoid disconnection. Experiments demonstrate that adding link breakage prediction to DSR can significantly reduce the total number of dropped data packets (by at least 20%). The tradeoff is an increase in the number of control messages by at most 33.5%. We also found that the proactive route maintenance does not cause significant increase in average packet latency and average route length. Enhanced route cache maintenance based on the link status can further reduce the number of dropped packets.
File Size	478376
File Format	PDF
ISBN	0769518745
DOI	10.1109/HICSS.2003.1174846
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-01-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Routing protocols Availability Mobile ad hoc networks Throughput Degradation Prediction algorithms Predictive models Intelligent networks Computer networks Systems engineering and theory
Content Type	Text
Resource Type	Article

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