Microwave Encoders and Application to Near-Field Chipless-RFID: a Review

被引:0
|
作者
Herrojo, Cristian [1 ]
Paredes, Ferran [1 ]
Velez, Paris [1 ]
Martin, Ferran [1 ]
机构
[1] Univ Autonoma Barcelona, Dept Engn Elect, Bellaterra, Spain
关键词
chipless-RFID; microwave encoders; DELAY-LINES; TAG; DESIGN; SYSTEM; CAPACITY; DENSITY; COMPACT;
D O I
10.1109/apwc.2019.8870460
中图分类号
TN [电子技术、通信技术];
学科分类号
0809 ;
摘要
Recently, electromagnetic encoders operating at microwave frequencies have been reported. Such encoders can be useful for measuring linear and angular displacements and velocities, but also as near-field chipless-RFID tags. In both cases, encoder reading is carried out by proximity, through near field, by using a microwave interrogation signal. This paper reports the recent advances relative to such microwave encoders, with special emphasis on chipless-RFID applications. Two types of encoders are considered: (i) those with printed metallic elements on a dielectric substrate, and (ii) full dielectric encoders, where the metallic elements are replaced with dielectric inclusions.
引用
收藏
页码:21 / 25
页数:5
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