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Motion Compensation for video decoding in standards like H.264 requires significant amount of computation. This is primarily because of H.264 six-tap FIR filtering for sub-sample computation. These algorithms typically take more than 50% of the computational time on a RISC processor like ARM. Novel algorithms proposed through this paper can be employed for systems which use vector processors as video...
Edge devices such as desktop and laptop computers constitute a majority of the devices connected to the Internet today. Peer-to-peer (P2P) file-sharing applications generally require edge devices to maintain network presence whenever possible to enhance the robustness of the file-sharing network, which in turn can lead to considerable wastage of energy. We show that energy can be saved by permitting...
In this paper, a handshake protocol at the medium access control (MAC) layer is proposed and analyzed for dynamically changing the link rate in the network interface card (NIC), adapting to network utilization, and thus decreasing average power consumption. Simulation results show that this protocol can be used to change link rate in Ethernet network devices without causing user-perceivable delays
With the ever-increasing demand for higher bandwidth and processing capacity of today's space exploration, space science, and defense missions, the ability to efficiently apply commercial-off-the-shelf (COTS) processors for on-board computing is now a critical need. In response to this need, NASA's new millennium program office has commissioned the development of Dependable Multiprocessor (DM) technology...
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