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http://dx.doi.org/10.12815/kits.2014.13.1.046

Design of Multi-Meander Microstrip Patch Antenna for Metallic Object in u-City  

Choi, Yong-Seok (상지대학교 컴퓨터정보공학부, (주)코스모티어 기술연구소)
Seong, Hyeon-Kyeong (상지대학교 컴퓨터정보공학부)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.13, no.1, 2014 , pp. 46-52 More about this Journal
Abstract
In this paper, we present a design of meander type microstrip patch antenna which has the best quality in RFID approved international standard of 910MHz broadband, usable in metal environment. In order to be fit into the commercial tag chip on the antenna, a square shaped feeder is installed on the main body as well as in the main body. In addition, a multi meander type patching element was designed in order to reduce the main body effectively. Three antennae, Cases 1, 2 and 3, were designed and compared in the areas of broad band width, effectiveness or recognition distance according to their sizes and number of folds. The measurement result of Case 3 was determined to be the best. It was confirmed that mostly the efficiency and characteristic gain change due to antenna size and number of folds in meander type influenced the antenna recognition distance.
Keywords
Multiple Meander; Microstrip Patch Antenna; Metallic Object; UHF; RFID; u-City;
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