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Calibration of a low-cost 8x8 active phased array antenna

Year: 2025

Type: article

Abstract: This paper presents the calibration process involved in a planar active phased array antenna operating in the K-band (17.7-20.2 GHz). The array consists of eight columns, each containing a 1 x 8 subarray of patch antennas. To enhance the antenna bandwidth, a double-stacked patch structure is employed. We analyze the challenges encountered when measuring active antennas. Additionally, we discuss the solutions and calibration techniques used to improve the array performance. Finally, we present the results of the optimal calibration approach, comparing simulated and measured data, both with and without calibration, to evaluate the improvements achieved.

Source: Hispana

Authors: Sun, Xiaoliang, Calatayud Maeso, Jorge, Muriel Barrado, Alfonso Tomás, Fernández González, José Manuel, Sierra Castañer, Manuel

Language: English

Topic: Antenna Design and Optimization

Subfield: Aerospace Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W7141776606

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