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Cognitive radio ad hoc networks (CRAHNs) have become a popular network architecture for connecting mobile nodes thanks to the flexibility and adaptability of such type of network. In this paper, we propose a novel scheme for efficient routing design in CRAHNs. The proposed routing scheme firstly forms a simple directed graph for the given physical network. Using the simple directed graph, multiple...
The availability of accurate location information (for airborne purposes) in unmanned aeronautical ad-hoc networks (UAANETs) makes it possible to deploy geographic routing mechanisms as the main communication protocol in such networks. However, the performance of geographic routing is not obvious, especially for sparse networks (i.e., networks with low connectivity levels). In this paper, the main...
Recent advances in wireless communications and electronics have promoted the development of wireless sensor networks (WSN) for a wide variety of applications. The size and power constraints of sensor nodes are the main concerns in the design of robust and efficient routing protocols. Consequently, various approaches, such as data-centric approach, hierarchical approach and location-based approach,...
In a mobile ad-hoc network (MANET), node mobility has a significant impact on the performance of routing protocols. Most of the previous research has been focused on entity mobility models, i.e., movements of the mobile nodes are independent of each other. In this paper, we investigate the impact of swarming behavior of mobile nodes, as observed in many mobile networks, on the performance of MANET...
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