Reconfigurable antennas and apertures: state of the art and future outlook

Jennifer T. Bernhard

doi:10.1117/12.497433

22 July 2003 Reconfigurable antennas and apertures: state of the art and future outlook

Jennifer T. Bernhard

Author Affiliations +

Proceedings Volume 5055, Smart Structures and Materials 2003: Smart Electronics, MEMS, BioMEMS, and Nanotechnology; (2003) https://doi.org/10.1117/12.497433
Event: Smart Structures and Materials, 2003, San Diego, California, United States

Abstract

The future proliferation of truly high-speed wireless systems will require more functionality from antennas than can be provided by classic designs. One approach to this challenge is to develop reconfigurable antennas. The goal of a reconfigurable radiator - one that can adjust its operating frequency, bandwidth, and/or radiation pattern to accommodate changing requirements - poses significant challenges to both antenna and system designers. This paper highlights some of the recent advances in the area of antenna reconfiguration, at the University of Illinois and elsewhere, as well as discusses some of the barriers that still need to be overcome to arrive at realizable technologies. These barriers include the development of reliable, mass-manufacturable RF MEMS switches, the design of switch bias networks that will not interfere with antenna operation, and the expansion of signal processing and feedback algorithms to fully exploit this new antenna functionality.

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Jennifer T. Bernhard "Reconfigurable antennas and apertures: state of the art and future outlook", Proc. SPIE 5055, Smart Structures and Materials 2003: Smart Electronics, MEMS, BioMEMS, and Nanotechnology, (22 July 2003); https://doi.org/10.1117/12.497433

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KEYWORDS

Antennas

Switches

Microelectromechanical systems

Reflectors

Actuators

Dielectric polarization

Beam steering

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