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A Methodology to Study the Effect of Smoke and Fire on Indoor RF Propagation

作     者:Singh, Vaibhav Pratap Gupta, Shubham Pasupuleti, Haribabu Babu, N. Sarat Chandra 

作者机构:Centre for Development of Advanced Computing BengaluruKarnataka560038 India Cognizant Technology Solutions HyderabadTelangana500019 India Society for Electronic Transaction and Securities ChennaiTamilnadu600113 India 

出 版 物:《Journal of The Institution of Engineers (India): Series B》 (J. Inst. Eng. Ser. B)

年 卷 期:2019年第100卷第1期

页      面:33-39页

核心收录:

学科分类:0810[工学-信息与通信工程] 12[管理学] 1201[管理学-管理科学与工程(可授管理学、工学学位)] 081203[工学-计算机应用技术] 08[工学] 0837[工学-安全科学与工程] 0835[工学-软件工程] 0813[工学-建筑学] 0701[理学-数学] 0812[工学-计算机科学与技术(可授工学、理学学位)] 

基  金:Acknowledgements The authors are thankful to Ministry of Electronics and Information Technology  Government of India for supporting this work under a grant-in-aid 

主  题:MATLAB 

摘      要:An indoor wireless network comprises of multiple devices connected wirelessly in a small geographical area, giving mobility to the connected devices. RF signal associated with wireless networks suffers from many propagation losses. It becomes essential to estimate losses at different locations, in the intended coverage area, to attain the desired performance seamlessly. It helps in the optimal device placement in the wireless networks. In the application, in addition to the propagation losses, there is a need to estimate the loss induced by the presence of smoke and fire, individually, in an indoor environment. This paper first deals with the design of a heatmap generating tool, in MATLAB, which gives the approximate signal strength at different locations on a given floor for a given transmitter. Then the paper discusses the formation of plasma in fast flaming fires and presents the path loss due to it. This path loss is incorporated in the heatmap generating tool and a heatmap is generated for our office ground floor for the case of a flaming fire. The paper also describes a testbed, setup in our office premises, to study the scattering loss caused by smoke particles. © 2018, The Institution of Engineers (India).

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