Miniaturized biocompatible microstrip antenna using genetic algorithm
citation_date
2005
Description
Biocompatible antennas are an area of recent research that can facilitate remote communication with medical implants. This paper shows several possible designs of a "waffle-type" antenna created using genetic algorithms (GAs) that are of a size potentially suitable for cardiac pacemakers in 402-405 MHz MICS band. In addition, methods to constrain the simulation and speed up the convergence of the GA for this type of antenna are explored. Even simple constraints such as fixing the feed and ground locations and encouraging the antenna to grow preferentially in the horizontal direction to take advantage of the longer physical dimensions of a pacemaker in that direction can appreciably improve convergence speed. One exception to this was constraining the patches to be connected together rather than distributed randomly, which caused the system to converge slower rather than faster. Also notable was that when a larger physical size was allowed, the system also converged more quickly despite a sizeable increase in the number of unknowns (subpatches) in the model. Thus, this paper provides a smaller, better matched microstrip antenna for biotelemetry and a choice of GA constraints for designing it.
Type
text;
citation_publisher
Institute of Electrical and Electronics Engineers (IEEE)
citation_volume
53
citation_issue
6
citation_firstpage
1939
Citation_lastpage
1945
citation_language
eng;
Bibliographic Citation
Furse, C. M., & Chung, Y. C. (2005). Miniaturized biocompatible microstrip antenna using genetic algorithm. International IEEE/URSI Antennas and Propagation Symposium, 53(6), 1939-45. June 22-26.
Rights Management
(c) 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
