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In this paper, we introduce two novel methods (beam power adaptation and diversity imaging) to the design of optical wireless systems to improve link performance. The aim is to reduce the effect of intersymbol interference and to enhance the signal-to-noise ratio (SNR), thus enabling the system to achieve mobility while operating at high bit rates. In good(More)
Cloud storage is one of the most promising services of cloud computing. It holds promise for unlimited, scalable, flexible, and low cost data storage. However, security of data stored at the cloud is the main concern that hinders the adoption of cloud storage model. In the literature, there are many proposed mechanisms to improve the security of cloud(More)
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