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We investigate the performance of dynamic proactive caching in relay networks where an intermediate relay station caches content for potential future use by end users. A central base station proactively controls the cache allocation such that cached content remains fresh for consumption for a limited number of time slots called proactive service window. With uncertain user demand over multiple data...
Recently we introduced an improved nearest neighborhood-based restoration (NNR) technique which when integrated in the second stage of the Adaptive Median Filter improved its performance in removing fixed valued impulse noise by giving an average increase of 7% in Peak Signal to Noise Ratio (PSNR) and 21% decrease in Mean Absolute Error (MAE). In our successive paper, we proposed a new adaptive center...
Dynamic deployment aims at enhancing coverage in wireless sensor networks by redistributing sensor nodes after initial random deployment. In this paper, a harmony search based dynamic deployment (HS-DD) technique is proposed that aims at maximizing both network coverage and connectivity. Furthermore, the performance of the proposed algorithm and a number of the HS-variants in dynamic deployment is...
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