一種基于粒子濾波的智能移動(dòng)終端室內(nèi)行人定位算法
[Abstract]:Aiming at the shortcomings of the existing indoor positioning algorithms, such as low precision, high cost of deployment and maintenance, and insufficient robustness, a self-learning algorithm for indoor wireless location based on particle filter is proposed. The problem of pedestrian location in indoor environment is described as a dynamic system state estimation problem. The intelligent mobile terminal is combined with indoor positioning, and the sensor and Wi-Fi module built into the intelligent mobile terminal are used to perceive the user's motion and the user's environment, respectively. And the particle filter is used to filter and fuse the location data. At the same time, the location result is uploaded to the server in real time, the location fingerprint database is constructed incrementally, and the fingerprint database is updated continuously according to the time label to adapt to the dynamic change of indoor environment. The experimental results show that the algorithm overcomes the limitations of indoor positioning and improves the accuracy and robustness of the localization.
【作者單位】: 燕山大學(xué)信息科學(xué)與工程學(xué)院;河北省計(jì)算機(jī)虛擬技術(shù)與系統(tǒng)集成重點(diǎn)實(shí)驗(yàn)室;
【基金】:河北省自然科學(xué)基金項(xiàng)目(F2012203170)資助;河北省自然科學(xué)基金項(xiàng)目(F2012203188)資助
【分類號(hào)】:TN929.5;TP301.6
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