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- W3134877360 abstract "In this paper, we analyze the accuracy of target localization in multiple-input multiple-output (MIMO) radars with widely-separated antennas. The relative target-antennas geometry plays an important role in target localization. We investigate the optimal placement of transmit and receive antennas for coherent and non-coherent processing, based on maximizing the determinant of the Fisher information matrix (FIM), which is equivalent to minimizing the error ellipse area. The square root of the average determinant of the FIM can be expressed as a product of three parameters, namely the equivalent single radar gain, coherency gain and geometry gain. It is shown that the coherency gain of coherent MIMO radar is greater than the non-coherent one, while the geometry gain of coherent MIMO radar is always smaller than or equal to the non-coherent case. The maximum value of the geometry gain for a MIMO radar system with N transmit and M receive antennas is proportional to MN for coherent while it is √2MN for the non-coherent case." @default.
- W3134877360 created "2021-03-15" @default.
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- W3134877360 date "2021-01-01" @default.
- W3134877360 modified "2023-10-17" @default.
- W3134877360 title "Target Localization Geometry Gain in Distributed MIMO Radar" @default.
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- W3134877360 doi "https://doi.org/10.1109/tsp.2021.3062197" @default.
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