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As the rapid growth of the data traffic, the mobile cellular network is under unprecedented operation pressure. Various of small cells with relay technologies have been proposed to bypass increased data with the status of the limited base station so far. Therefore, vehicular small cell gradually are attracting the attention of the researchers. In this paper, we discuss the communication model of the...
Detailed energy consumption information of household appliance is meaningful for the demand side management (DSM) and home energy conservation. In this paper, a novel non-intrusive load monitoring (NILM) method is proposed for residential energy management systems(REMS). Unlike existing NILM techniques, this method works effectively with very few smart meter measurementparameters obtained at a low...
Available energy is the most critical limitation on the performance of embedded systems along with the increasing sophistication. Phase Change Memory (PCM), with high density and low idle power has recently been extensively studied as a promising alternative main memory of DRAM. In this paper, a hybrid PCM/DRAM main memory is utilized to leverage the low power of PCM and high performance of DRAM....
The purpose of this paper is to represent a wind powered wireless sensor network system and introduce a novel transmission power control scheme based on remaining energy level and energy harvesting status to extend the lifetime of WSNs. Energy constraint has always been one of the most significant problems of wireless sensor networks along with the development. Many methods have been introduced to...
With more and more attention paid to low-carbon economy, as a country with large carbon dioxide emissions, China attaches much importance to the development of low-carbon economy. Firstly, a low-carbon economy evaluation index system is established in this paper in order to fully reflect the comprehensive development of low-carbon economy. Then the Delphi method is used to determine the index layer...
Air conditioners possess a large proportion of the energy consumption in a building for both heating and cooling functions. The purpose of this paper is to present the work in progress which uses simple and cheap sensor nodes mounting on the external unit of air conditioners to automatically sense the usage pattern. This work is part of the project called Cyber IVY, which provides means of building...
Wireless sensor networks(WSNs) have been increasingly available for large-scale applications in which energy efficiency is an important performance measure. These applications include environmental monitoring and structure monitoring which demand multifarious data. Driven by the energy limitation nature of WSNs lots of research works have been done in aspects such as nodes deployment, routing protocol,...
Energy efficiency, power system reliability and the environmental impact of fossil fuel plants are all drivers for more intelligent or smart grids. We discuss a Perfect Power System, a smart micro grid with system redundancy, and implement a test bed to demonstrate smart grid concepts such as demand response, onsite generation, automated lighting system control, and ambient temperature control. We...
Embedded systems, because of their application-specific characteristic, are one of the most widely used domains for reconfigurable systems. Aiming at the energy-saving problem, this paper presents a dynamic scheduling architecture. The contribution of this paper is twofold: First, this paper presents an Energy-efficient Architecture for Embedded Software (EAES), which uses a processor with dynamic...
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