| Publisher | University of Pittsburgh | ||
|---|---|---|---|
| Format | 110.2KB PDF | Date added | 14 Aug 2009 |
| Topics | Scalability, Mobile - Wireless Communications, Wireless | ||
| Downloads | 16 | ||
Ad-hoc networks are expected to play an important role in future commercial and military communications systems. As such, scalable routing strategies capable of supporting greater user mobility and a wide range of applications are needed. This paper proposes a novel routing metric, which defines a probabilistic measure of the availability of network paths that are subject to link failures caused by node mobility in ad-hoc networks. It is shown how this measure can be used to select more stable paths and reduce the routing overhead caused by node mobility. A mobility model is first proposed and used to characterize the movement of ad-hoc network nodes. This model is then used to derive expressions for link and path availability.
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