Investigation of UWB RF signal technology for solving indoor positioning problem
Authors: Novichkov A.R., Goncharov I.K., Egorushkin A.Yu., Faschevsky N.N.
Published in issue: #12(120)/2021
DOI: 10.18698/2308-6033-2021-12-2140
Category: Aviation and Rocket-Space Engineering | Chapter: Innovation Technologies of Aerospace Engineering
The article considers the process of developing a local positioning system using an ultra-wideband radio signal system and its integration with a strapdown inertial navigation system (SINS). A system based on Ultra-Wide Band (UWB) technology is used as a radio navigation system. An overview of the developed experimental integrated navigation system model is presented. Algorithms for calculating the position using the propagation time of the radio signal are used to obtain a navigation solution. An analysis of the accuracy of Single-Sided Two-Way Ranging and Double-Sided Two-Way Ranging algorithms using a UWB radio module is presented. The modeling errors of the inertial navigation system were performed. The maximum permissible parameters of the sensitive element errors were obtained for integration with the radio navigation system. The scheme of integration of the navigation solution of the UWB and SINS systems is determined.
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