Mutual Coupling Calibration for L-Shaped Microstrip Antenna Array with Accurate 2-D Direction of Arrival Estimation

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Provided by: EMW Publishing
Topic: Mobility
Format: PDF
An improved mutual coupling calibration approach based on the Element Pattern Reconstruction (EPR) method is proposed in this paper. Compared to previous calibration methods in which the calibration is carried out in the entire space, the space angle ranges to be calibrated in this method is partitioned according to the interested directions. Through the partition of the space angle region, the angle ranges to calibrate are narrowed and thus more accurate calibration matrix can be obtained in corresponding angle regions.
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