Active phased antenna arrays calibration method including edge effects and mutual coupling

Chalumyan, Taguhi; Maas, Olivier; Begaud, Xavier; Huyart, B.

doi:10.23919/eucap.2017.7928655

Cited by 3 publications

(1 citation statement)

References 7 publications

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“…The array complex signal received at the Rx antenna is then recorded at the VNA. Note that mutual coupling effect is essential for phased array calibration [9], [10], especially for microstrip antenna arrays. In our measurement setup, the coupling between rigded horn array elements with a separation of 108 mm at 3.5 GHz is below −30 dB, indicating a negligible mutual coupling effect.…”

Section: A Experimental Setupmentioning

confidence: 99%

Improved Over-the-Air Phased Array Calibration Based on Measured Complex Array Signals

Zhang

Fan

Wang

et al. 2019

Antennas Wirel. Propag. Lett.

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This letter presents an improved phased array calibration method based on measured complex array signals with one single probe. All the phased array elements are excited simultaneously in the measurement and only phase reverse of each element is required. The error on the 1st antenna element of the reference method is analysed, which shows it is accumulated as the array size increases. One more measurement with designed element phase settings is introduced to overcome the deficiency. The improved method shows only N + 1 measurements are required to calibrate N antenna elements accurately. Finally, a 4 × 8 antenna array composed of 4-ridged horn antennas operating at 3.5 GHz was measured to validate the effectiveness of the improved algorithm.

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Section: A Experimental Setupmentioning

confidence: 99%