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International Journal of Antennas and Propagation
Volume 2012 (2012), Article ID 980252, 5 pages
Research Article

Vertical Meandering Approach for Antenna Size Reduction

1Key Laboratory of Universal Wireless Communication, Beijing University of Posts and Telecommunications, Beijing 100876, China
2Shenzhen Research Institute, City University of Hong Kong, Shenzhen 518057, China
3State Key Laboratory of Millimeter Waves, City University of Hong Kong, Kowloon, Hong Kong

Received 15 July 2011; Accepted 30 September 2011

Academic Editor: Ahmed A. Kishk

Copyright © 2012 Li Deng et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A novel vertical meandering technique to reduce the lateral size of a planar printed antenna is presented. It is implemented by dividing a conventional spiral patch into a different number of segments and placing them on different sides of the microwave substrate with vias as the connections. To confirm the validity of this technique, measured electrical performance and radiation characteristics of five antennas with different numbers of segments are compared. The smallest antenna is reduced in size by 84% when compared with the conventional printed spiral antenna.