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In DRAM refresh, due to a few cells that have lower retention time, it makes DRAM controller to raise refresh frequency to keep the data integrity, and produces unnecessary refresh for the other normal cells which resulting in large DRAM refresh overhead. To resolve this problem, we propose an integration scheme for DRAM refresh based on the retention-aware auto refresh (RAAR) method. With given distribution...
Rising energy costs and negative environmental impact resulting from the generation of electricity, particularly when relying on fossil fuels, increase the need for energy-efficient computing. In addition to the optimization of hardware devices, the use of sophisticated software solutions for reducing energy consumption is an important area of current research. Distributing the load among servers...
The correlation degrees among carbon emissions and influencing factors help to make correct judgment and insightful short and long term policies for the low-carbon economy. According to the carbon emissions data provided by American Oak Ridge National Laboratory Carbon Dioxide Information Analysis Center (CDIAC), from which we selected the data of world's top 11carbon emitting countries, a comparative...
Industrial users are big energy consumers, and most of them install monitoring devices on all transmission lines and load branches of the network during energy consumption monitoring. As a result, there is no direction in energy consumption monitoring, and there is a lot of the phenomenon of repeated monitoring which results in a great waste of resources. This paper presents the concept of fluctuation...
To develop an energy-efficient routing protocol becomes one of the most important and difficult key tasks for wireless sensor networks. Traditional Rumor Routing is effective in random path building but winding or even looped path is prone to be formed, leading to enormous energy wasting. Clustering Rumor Routing proposed in this paper has advantages in energy saving by making full use of three features-clustering...
Multi-robot coordination is fundamental and significant in the robotics research community. With the increasing number of robots in one task, team efficiency improvement and energy consumption reduction research becomes more important in robots coordination. In this paper, we propose a novel multirobot coordination algorithm called Distributed Bidirectional Auction algorithm, in which robots bid for...
This paper investigates proactive relay selection (PRS) in distributed cooperative networks with multiple potential relays and multiple source-destination pairs. A simple PRS scheme is proposed and its outage probability is analyzed. Compared with the reactive relay selection (RRS) scheme proposed in, our PRS scheme has a loss on the outage performance. However, its significance lies in three aspects:...
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