Auto-calibration of Uniform Linear Array Antennas
Paper i proceeding, 2019

Calibration is instrumental to realize the full performance of a measurement system. In this contribution we consider the calibration of a uniformly linear array antenna where we assume each antenna element has an unknown complex gain. We present an algorithm which can be used to calibrate the array without full knowledge of the environment. Particularly, if the number of signal sources are known we show that we can determine the individual unknown antenna gains up to an ambiguity parametrized by a single complex scalar. If the ratio of the complex gains between two consecutive elements is also known, this ambiguity is resolved. The method is based on determining the antenna calibration parameters such that the Hankel matrix of the array snapshots has a given rank. A numerical example illustrates the performance of the method. The numerical results suggest that the method is consistent in SNR.

Direction-of-arrival estimation

Linear antenna arrays

Estimation

Optimization

Calibration

Författare

Tomas McKelvey

Chalmers, Elektroteknik, Signalbehandling och medicinsk teknik, Signalbehandling

European Signal Processing Conference

22195491 (ISSN)

Vol. 2019-September

27th European Signal Processing Conference, EUSIPCO 2019
A Coruna, Spain,

Ämneskategorier

Telekommunikation

Reglerteknik

Signalbehandling

DOI

10.23919/EUSIPCO.2019.8903082

Mer information

Senast uppdaterat

2020-12-07