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ToA Coordinate Calculation Method Using a PID Algorithm
Jae Ho HWANG Jae Moung KIM
IEICE TRANSACTIONS on Communications
Publication Date: 2010/04/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Terrestrial Radio Communications
RTLS, ToA, PID algorithm, coordinate calculation,
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This paper introduces a coordinate calculation method for a real-time locating system. A ToA algorithm is used to obtain the target node coordinates, but a conventional DC method, which incurs heavy calculation time, is not suitable for embedded systems. This paper proposes the use of a P-control in the PID control algorithm to resolve real-time locating system issues. Performance measures of the accumulated operator number and position error are evaluated. It is shown that the PID method has less calculation and more robust performance than the DC method.