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Estimation and Localization of Power Path Loss for an Underground Mine Signal

Zhang Yongtang;Lou Haibo;Guangdong Neusoft Institute;  
Model approach in the study of radio signal path loss model based on the signal power is fixed by the base station being measured mobile sites that enable people locate underground complex environment,and apply linear regression to establish suitable for underground power path loss.Simulation results show that,in the 30 m × 50 m rectangular area of simulation,the method for locating a mobile station can estimate the error control in less than 3m.Therefore,a reasonable additional fixed base stations to achieve effective integration of modeling data and actual measurement data radio signal underground,so as to achieve precise positioning requirements.
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