Ultra-wideband high precision positioning system based on SDS-TWR algorithm

Liu, Ying; Zhu, Xiaozhang; Bo, Xiaole; Yang, Ziyan; Zhao, Zhiqin

doi:10.23919/aces-china52398.2021.9581365

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2022

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“…Finally, RSSI algorithm includes offline collection stage and online data matching stage, the implementation process is relatively complex, while its positioning accuracy has not been significantly improved. From what has been discussed above, we had adopted the high precise DS-TWR [8] (two-way bidirectional ranging) algorithm in this paper for our indoor positioning system. The basic steps of DS-TWR algorithm are as follows:…”

Section: Ds-twrmentioning

confidence: 99%

Indoor positioning system based on UWB

Zhou

Sun

Zhao

2022

Second International Symposium on Computer Technology and Information Science (ISCTIS 2022)

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At present, navigation and positioning system based on location service plays an extremely important role in all aspects of people's production and life. GPS or Beidou navigation system performs well in outdoor positioning, however, satellite signals are difficult to meet the requirements of higher accuracy of indoor positioning. This paper designs a set of simple, low cost, high-positioning-accuracy indoor positioning system based on UWB, using DS-TWR ranging algorithm. Experimental results show that the system can achieve high precision positioning effect, the error is less than 10cm. The hardware design is completed, and the upper computer software is developed to draw real-time positioning map.

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Section: Ds-twrmentioning

confidence: 99%