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- W4377231570 abstract "This article investigates the localization problem of the moving target in distributed multiple-input multiple-output (MIMO) systems, where the transmitters are subject to clock and frequency offsets. The position and velocity of the moving target are jointly determined by applying time delay (TD) and Doppler shift (DS) measurements. For this purpose, two efficient solution approaches are proposed to estimate the unknowns of the moving target, as well as the clock and frequency offsets. Firstly, the nonconvex localization problem is first relaxed into a convex semidefinite programming (SDP) form. Additionally, a two-stage closed-form solution (TSCFS) approach is proposed to determine the unknowns. The performance of the proposed methods is examined by the mean square error (mse) analysis. The simulated results show that the performance of the proposed solutions are able to approach the Cramér-rao lower bound (CRLB) accuracy at low noise levels. In contrast, the SDP solution performs better than the TSCFS in the presence of high noise levels or a small number of receivers." @default.
- W4377231570 created "2023-05-23" @default.
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- W4377231570 date "2023-07-01" @default.
- W4377231570 modified "2023-09-26" @default.
- W4377231570 title "Moving Object Localization in Distributed MIMO With Clock and Frequency Offsets" @default.
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- W4377231570 doi "https://doi.org/10.1109/jsen.2023.3277344" @default.
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