Indoor Rotation Relative Orientation Algorithm
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National Natural Science Foundation of China (61671056, 61302065, 61304257, 61402033); Natural Science Foundation of Beijing, China (4152036)

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    Abstract:

    This paper proposes a rotational direction algorithm based on time of arrival (TOA) ranging with UWB transmission equipment. During rotating UWB receiver around the human body, the maximum and minimum ranging can confirm the relative direction of the transmitter and receiver. But in the indoor complex environment, multipath effect, human body will cause large TOA ranging errors and error distribution is non-Gaussian. So, the relative orientation is indeed a template matching problem. This paper implements the secondary matching scheme, and analyzes the key parameters in the secondary matching for optimal value analysis and realizes high-precision horizontal direction detection. 4 degrees deviation is achieved, and the accuracy is improved by 9% relative to the single match method.

    Reference
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    [9] Wang P, He J, Xu L, et al. Characteristic modeling of TOA ranging error in rotating anchor-based relative positioning. IEEE Sensors Journal, 2017,17(23):7945-7953.
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    附中文参考文献
    [4] 夏英,万建斌,刘素彤,刘兆宏.基于Wi-Fi和基站信号强度的室内定位系统设计与实现.数字通信,2012,39(6):21-25.
    [12] 何杰,吴雅南,段世红,徐丽媛,吕家慧,徐诚,齐悦.人体对UWB测距误差影响模型.通信学报,2017,38(a01):58-66.
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段世红,刘燕忠,何杰.室内旋转相对定向算法.软件学报,2018,29(S1):10-20

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  • Received:May 01,2018
  • Online: November 13,2018
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