Morehead State University
Electromagnetic Analysis of a MEMS Integrated Frequency Reconfigurable Antenna
Institution
Morehead State University
Faculty Advisor/ Mentor
Bedri Cetiner
Abstract
The necessity for reconfigurable antennas increases as wireless technology is modified and improved, since many wireless devices utilize more than one frequency band. One simple class of antennas that can be employed as reconfigurable antennas is the annular slot. By using a full wave analysis tool based on finite element method, modeling of a two concentric annular slot antenna has been performed to determine the resonant frequencies and radiation patterns of this micro-electro-mechanical systems (MEMS) integrated multi-frequency antenna. This design and analysis is executed for a low frequency bandwidth when the inner slot is neglected and only the outer slot is excited. Then, by using a MEMS switch to connect the feed to the inner slot, and shorting the outer slot, a model of the antenna for a high frequency bandwidth is created, and an analysis of its return loss, as well as its radiation patterns, is performed.
Electromagnetic Analysis of a MEMS Integrated Frequency Reconfigurable Antenna
The necessity for reconfigurable antennas increases as wireless technology is modified and improved, since many wireless devices utilize more than one frequency band. One simple class of antennas that can be employed as reconfigurable antennas is the annular slot. By using a full wave analysis tool based on finite element method, modeling of a two concentric annular slot antenna has been performed to determine the resonant frequencies and radiation patterns of this micro-electro-mechanical systems (MEMS) integrated multi-frequency antenna. This design and analysis is executed for a low frequency bandwidth when the inner slot is neglected and only the outer slot is excited. Then, by using a MEMS switch to connect the feed to the inner slot, and shorting the outer slot, a model of the antenna for a high frequency bandwidth is created, and an analysis of its return loss, as well as its radiation patterns, is performed.