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This paper derives analytical expressions for the probability of link availability and the node degree distribution in mobile ad hoc networks. The expressions (1) account for system parameters such as the node density, node transmission range, and the radio channel fading; and (2) hold for an arbitrary mobility model with initially uniformly distributed spatial nodes that are allowed to move only...
The performance of mobile ad hoc networks (MANETs) is influenced by many factors including node mobility, node density, and wireless transmission range. The dynamics induced by these factors along the paths between MANET nodes affect node connectivity. Research efforts aiming at quantifying such path dynamics are limited (1) considering only the impact of a small number of factors, mostly node mobility;...
The characteristics of node-pair paths are a primary consideration in the design of routing protocols in mobile ad-hoc networks (MANETs). Existing research studies on MANET paths focus on their dynamics in the presence of node mobility and ignore the impact of network configuration such as node density and node transmission range. In this paper, we study MANET paths using a smooth mobility model,...
One of the major problems in mobile grid environments is the optimal distribution and replication of data files, in order to improve and maintain a high overall throughput of grid jobs that access files. A data replica replacement algorithm based on value model is proposed and the arithmetic method to calculate replica value is introduced. This algorithm adapts to the high variation environment in...
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