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An Analysis Framework for Mobility Metrics in Mobile Ad Hoc Networks
EURASIP Journal on Wireless Communications and Networking volume 2007, Article number: 019249 (2006)
Mobile ad hoc networks (MANETs) have inherently dynamic topologies. Under these difficult circumstances, it is essential to have some dependable way of determining the reliability of communication paths. Mobility metrics are well suited to this purpose. Several mobility metrics have been proposed in the literature, including link persistence, link duration, link availability, link residual time, and their path equivalents. However, no method has been provided for their exact calculation. Instead, only statistical approximations have been given. In this paper, exact expressions are derived for each of the aforementioned metrics, applicable to both links and paths. We further show relationships between the different metrics, where they exist. Such exact expressions constitute precise mathematical relationships between network connectivity and node mobility. These expressions can, therefore, be employed in a number of ways to improve performance of MANETs such as in the development of efficient algorithms for routing, in route caching, proactive routing, and clustering schemes.
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Xu, S., Blackmore, K.L. & Jones, H.M. An Analysis Framework for Mobility Metrics in Mobile Ad Hoc Networks. J Wireless Com Network 2007, 019249 (2006). https://doi.org/10.1155/2007/19249
- Node Mobility
- Statistical Approximation
- Analysis Framework
- Network Connectivity
- Exact Expression