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Summary form only given, as follows. Mobile devices (smart phones, tablets, laptops, embedded boards, robots) can serve as terminals for cloud computing services over intelligent network. Mobile cloud has emerged as a new cloud computing platform that 'puts cloud into a pocket.' Important issues include optimizing the scheduling and transport schemes, access management, and application optimization,...
Summary form only given, as follows. Development of Exascale Computers before the end of this decade is an ambitious target taken up by the international HPC community. The challenges are numerous; the important ones being power consumption & dissipation, reliability, application scaling, display technology and ubiquitous access. These challenges also occur at all levels of abstraction: materials...
Summary form only given, as follows. Wireless ad hoc and sensor networks (WASNs) raise new problems and/or new challenging issues in distributed processing. Furthermore, WASNs are mostly application specific. Design of distributed algorithms needs to explicitly account for mobility, resource constraints, dynamic changes and other characteristics of WASNs, as well as special application requirements...
Nowadays, cyber-physical system (CPS) relies on wireless networks for devices control and information backhaul. But the mass deployment CPS devices make operators' spectrum scarce situations even more worse. Hence, cellular network operators anticipate the Dynamic Spectrum Access (DSA) technology to solve the spectrum shortage problem in the context of cognitive radio (CR). Femtocells, acting as gateways...
In a broadcasting task, source node wants to send the same message to all the other nodes in the network. Existing solutions address specific mobility scenarios, e.g. connected dominating set (CDS) based for static networks, blind flooding for moderate mobility, hyper flooding for highly mobile and frequently partitioned networks. We are interested in designing a unique protocol that will seamlessly...
Wireless Sensor Networks (WSN) become increasingly popular to collect data over a large area. Given the collected data set, the network manager can extract various kinds of aggregate statistics from the set to characterize the physical space. On the collection of the data, three requirements should be imposed: (1) Privacy: as sensor nodes are source limited and often deployed in an open environment,...
Accessing video content on mobile devices has become widespread in recent years. The wireless network has to become content aware in order to offer enhanced quality of video service through efficient utilisation of the wireless spectrum. This paper proposes a scheme for end-to-end video transmission over Long Term Evolution (LTE) network. The network elements are made aware of the critical video frames...
GPUs provide powerful computing ability especially for data parallel algorithms. However, the complexity of the GPU system makes the optimization of even a simple algorithm difficult. Different parallel algorithms or optimization methods on a GPU often lead to very different performances. The matrix-vector multiplication routine for general dense matrices (GEMV) is a building block for many scientific...
In this paper, we present an algorithm and provide design improvements needed to port the serial Lempel-Ziv-Storer-Szymanski (LZSS), lossless data compression algorithm, to a parallelized version suitable for general purpose graphic processor units (GPGPU), specifically for NVIDIA's CUDA Framework. The two main stages of the algorithm, substring matching and encoding, are studied in detail to fit...
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