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Understanding the driving factors behind energy consumption changes provides insights about consumption patterns and can inform targeted energy saving polices. This paper applies a joint decomposition approach, introducing an index decomposition analysis (IDA) method into a production theoretical decomposition analysis (PDA). This integrated approach decomposed energy consumption changes into eight...
Rapid, reliable and energy efficient programing code dissemination is a challenging issue and offer a programmable and flexible network architecture for software defined wireless networks (SDWNs). Many schemes for programing codes in large-scale network incur longer dissemination convergence time (DCT) in loss nature of wireless channels. In this paper, an integrated adjusted broadcast (TAB) scheme...
Security is a pivotal issue for Wireless sensor networks (WSNs) which are emerging as a promising platform that enable a wide range of applications in military, scientific, industrial and commercial applications. Traceback as one of key cyber forensics technologies can play an important role to trace and locate malicioussource as to guarantee cyber security. An adaptive probability marking traceback...
The air-based information network of the Space-Air-Ground Integrated Network has the distinct characteristics of heterogeneous, time-varying, distributed and self-organized, which bring not only new challenges of node mobility model, dynamic network grouping and interconnection and intercommunication of heterogeneous networks, but also higher requirements of network security. Therefore, selecting...
In air-based information network of the Space-Air-Ground Integrated Network, it is critical to select an efficient communication link for each communication. However, some communication may not have fixed rules. In this article, we build a model of the air-based information network, and use the dynamic programming to select the most efficient communication link by minimizing the energy consumption...
As one of the largest energy consumer in the world, China has been facing great pressure to guarantee energy supply security. Investigating the driving forces dominating China energy consumption levels and their evolution may help to institute energy saving policy. Nowadays, the LMDI (logarithmic mean Divisia index) method has become a popular tool to find the nature of the factors that influence...
This paper, taking Beijing, Tianjin, Shanghai of China for example, discussed the method of urban carbon emissions prediction. Using Yongbin Zhu and Zheng Wang's optimal growth model to study the energy carbon emissions of cities under steady economic growth, and getting forest carbon sinks of cities with CO2FIX model, then we could result in net carbon emissions of cities. The results showed that...
This paper employed the carbon dynamic model and IPCC cement model to estimate the amount of carbon emitted by energy and cement, and used CO2FIX model to predict the forest carbon sinks in Beijing, Tianjin and Hebei Province from 2009 to 2050, then, this paper analyzed the influential factors and the contribution of forest carbon sinks to carbon emissions reduction. The main conclusions are as follows:...
Aiming at the coverage problem, a new coverage algorithm is proposed based on residual energy of sensors in this paper. In the algorithm, it is unnecessary for sensors to know its geographic information. By exchanging some related information with its neighbors, sensors judge its suitable status (active or sleep) according to energy. The algorithm can save sensor energy and extend the time of sensor...
As rapid development of economy and people's gradually great attention to energy environmental problems, more and more researchers have started researching the relationship between economy, energy and environment, we urgently need methods and models to solve the disagreement between them, and so 3E-based forecast and early-warning models began to emerge, and develop towards high-precision and comprehensive...
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