Reconfigurable UWB Antenna With RF-MEMS for On-Demand WLAN Rejection

Dimitrios Anagnostou, Michael T. Chryssomallis, Benjamin D. Braaten, John L. Ebel, Nelson Sepúlveda

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

A MEMS reconfigurable ultra-wideband (UWB) antenna that rejects on-demand all WLAN signals in the entire 5.15 to 5.825 GHz range (675 MHz bandwidth) is presented. The antenna design, miniaturization procedure, and monolithic integration with the MEMS and biasing network on SiO2 Quartz substrate are described. The integration challenges are addressed and the work is presented in a way that is useful for antenna engineers. A method to vary the rejection bandwidth is also provided. The fabricated prototype is conformal and single-sided. The antenna is measured using a custom-built platform at a university laboratory. Results indicate a successful integration and minimal interference of the MEMS and biasing circuitry with the antenna, paving the road for more integrated reconfigurable antennas on SiO2 using MEMS technology. Such antennas can improve UWB, WLAN and cognitive radio communication links.
Original languageEnglish
Pages (from-to)602-608
Number of pages7
JournalIEEE Transactions on Antennas and Propagation
Volume62
Issue number2
DOIs
Publication statusPublished - Feb 2014

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