Essays about: "Junyi Yu"

Found 1 essay containing the words Junyi Yu.

  1. 1. A Layered Two-Step Hidden Markov Model Positioning Method for Underground Mine Environment Based on Wi-Fi Signals

    University essay from Mittuniversitetet/Avdelningen för informations- och kommunikationssystem

    Author : Junyi Yu; [2015]
    Keywords : Underground mine environment; Indoor location; Layered two-step Hidden Markov Model; Viterbi algorithm;

    Abstract : The safety of miners is of interest to all countries. In the event of a coal mine disaster, how to locate the miners remains the biggest and most urgent issue. The aim of this study is to propose a precise positioning method for underground mine environments to a low cost and with acceptable accuracy. READ MORE