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Lin Fantao
China Electric Power Research Institute

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Prediction of wireless sensor network signal attenuation in plantation environment Liu Hua; Zhang Junguo; Lin Fantao
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 3: March 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

Because of wireless sensor network signal attenuation phenomena in the process of transmission in plantation environment, mastering the law of 2.4GHz wireless sensor network signal attenuation in plantation environment has become a key to the rational distribution of wireless sensor networks in the forest. In this paper, an intelligent forecasting method using wavelet and regression analysis approach is presented of prediction of 2.4GHz wireless sensor network signal attenuation in plantation environment. By using wavelet decomposition on the average field strength values in plantation environment, the characteristics in the wavelet scale sequences can be recognized. And by using simple linear regression analysis, the decomposed data can be predicted. Then data after regression analysis can be used in wavelet reconstruction. Finally, the obtained results will be compared with the other average field strength values. The comparison shows that this wavelet and regression analysis method is effective to the prediction of 2.4GHz wireless sensor network signal attenuation. DOI : http://dx.doi.org/10.11591/telkomnika.v12i3.4429
Internet of Things Technology and its Applications in Smart Grid Liu Hua; Zhang Junguo; Lin Fantao
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 2: February 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

Smart grid is the latest trend of development and reform in today’s world, and it is also a major technological innovation and development trend in the 21st century. Internet of Things technology is a new information processing and acquisition method, and it has been widely used in intelligent transportation, environmental monitoring and other fields. Internet of Things is an important technical mean to promote the development of smart grid. Using Internet of Things technology can effectively integrate the infrastructure resources in communications and electrical power system, increase the level of power system information, and improve the utilization efficiency of infrastructures in the existing power system. In this paper, the concept of smart grid and Internet of Things are briefed, thus the urgency of its applications in smart grid are pointed out. Meanwhile, a research and design in the construction of smart grid which is based on Internet of things are made, and the design and implementation in typical application links, including wind power prediction, condition monitoring of overhead transmission lines, power monitoring, smart home and asset management are elaborated emphatically. Finally, the problems in applications and future research direction are also analyzed. DOI : http://dx.doi.org/10.11591/telkomnika.v12i2.4178 
Co-Authors Liu Hua Zhang Junguo