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Active reflectarray with beamsteering capabilities

This paper presents an active reflectarray topology with the capability of steering the main beam and achieving different amplitude distributions. An aperture‐coupled patch with perpendicular feeds was selected as the radiating element. One of its ports is employed to receive the signal and the other to retransmit it with the phase and gain selected in an IQ modulator. A 4 × 2 lab model is implemented and the measurement results of the radiation pattern control are shown. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 101–105, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21275