Analyzing the impact of mobility in ad hoc networks
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Date
2006-05
Publication Type
Conference Paper
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yes
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Abstract
The impact of mobility on the link and route lifetimes in ad hoc networks is of major importance for the design of efficient MAC and network layer protocols. Up to now, no real-life measurements were used to study the effect of node mobility on link and route lifetime distributions. In this paper, we present data gathered from a real network of 20 test users and analyze it with regard to link and route lifetime distributions. Besides link breakage due to node mobility, links might also break due to diverse sources of interference or packet collisions. We develop a statistical framework to distinguish between the mobility and interference or collision errors. With this framework, we are able to determine and analyze the lifetime distributions for both error types separately. We use this framework together with our measurements to validate two commonly used stochastic mobility models including the random waypoint and the random reference group mobility model. The results show that the distributions of the two stochastic mobility models match very closely the empirical link lifetime distribution.
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published
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Book title
REALMAN '06: Proceedings of Second International Workshop on Multi-hop Ad Hoc Networks: From Theory to Reality
Journal / series
Volume
Pages / Article No.
39 - 46
Publisher
Association for Computing Machinery
Event
2nd International Workshop on Multi-hop and Hoc Networks (REALMAN 2006)
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Date collected
Date created
Subject
MANET; Human Mobility; PDA; Link Lifetime; Route Lifetime
Organisational unit
03608 - Wittneben, Armin (emeritus) / Wittneben, Armin (emeritus)
03234 - Plattner, Bernhard (emeritus) / Plattner, Bernhard (emeritus)
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