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With the development of smart devices and mobile positioning technologies, location-based services (LBS) has become more and more popular. While enjoying the convenience and entertainments provided by LBS, users are vulnerable to the increased privacy leakages of locations as another kind of quasiidentifiers. Most existing location privacy preservation algorithms are based on region cloaking which...
This paper considers the optimal energy efficient association for HetNets by applying almost blank subframes (ABSs) techniques. Aiming at maximizing energy efficiency (EE) without the quality of service (QoS) constraints, we obtain a closed-form optimal solution, which indicates that the optimal choice of blank resource block (RB) fraction for EE maximization is binary without individual user QoS...
Barrier coverage has important applications in military and homeland security. Given a set of mobile sensors and their initial positions, how to move these sensors to achieve the required barrier coverage while maintaining balanced battery consumption across all sensors is a challenging problem of great significance in both theory and applications. Given a set of grid points on the barrier line, a...
Inter-domain routing for MANETs (mobile ad hoc networks) draws increasing attention because of military and vehicular applications. The existing border gateway protocol (BGP) is the de facto inter-domain routing protocol for the Internet. But BGP is not applicable to MANETs because the BGP design is based on a static Internet which does not support dynamic discovery of members, and cannot scale to...
As for the ISI/ICI resistances over the mobile wireless channels, the lattice-based OFDM approach (LOFDM) outperforms the traditional OFDM distinctly. However, due to its complicated signal description, few theoretic analyzes on its performances are available yet. In this paper, a novel lattice description is presented, which lays a more general framework than the previous matrix-based description...
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