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Vehicular Ad Hoc Networks (VANETs) represent promising technologies for comfort driving and entertainment applications which rely heavily on the data downloading. Due to the rapid change of network topology and intermittent connection, it is a big challenge to satisfy the download requirements from multi-vehicles at the same time. This paper proposes a Bus-Based Content Downloading (BBCD) which aims...
The WiMAX mesh network (WMN) architecture is defined in the IEEE 802.16 standard for increasing network coverage and improving communication performance. In the past few years, several greedy or heuristic algorithms have been proposed to cope with the scheduling problem in WMNs. However, their performance highly depends on the network topology and bandwidth requests, and they do not achieve optimal...
Target coverage problem has received much attention in the past few years. In a large monitoring environment where targets are distributed over the monitoring region, deploying static sensors will lead to the problem of high hardware cost and long latency for data collection. This paper considers the target patrolling problem which asks a set of mobile data mules to efficiently patrol a set of given...
In this paper, an energy efficient MAC protocol based on the finite projective plane (FPP) theory is proposed. Our protocol introduces an adaptive energy-efficient duty cycle for the sensor nodes to reduce the idle listening problem. By assigning each node with an FPP-set, we propose to decrease wake-up time and to determine the sleep or wake-up schedules based on the existing number of neighbors...
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