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A mobile visual sensor network has a potential to create impacts in many applications in the society; however, it remains a challenge to keep the network lifetime as long as possible with limited onboard energy. Based on our previous work, mobility can be exploited to improve network lifetime significantly for data-intensive mobile sensor networks. In a visual sensor network, besides heavy data transmission,...
The positions of mobile sensor nodes and the routing of sensing data to a base station for processing have major impact on the lifetime of a mobile sensor network. Based on our previous work on mobility for lifetime maximization, this paper investigates simultaneously designing mobility and routing strategies of robotic sensor nodes to improve the lifetime of a mobile sensor network. The network lifetime...
This paper investigates mobility strategies of mobile robots to improve the lifetime of a mobile sensor network with energy harvesting capability. The network lifetime problem is formulated as a nonlinear non-convex optimization problem, which is solved distributively by a series of convex approximations and a novel saddle-point computation algorithm. The convergence of the proposed method is guaranteed...
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