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Macro-micro frequency tuning antenna for reconfigurable wireless communication systems

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4 Author(s)
Jung, C.W. ; Commun. & Connectivity Lab., Samsung Adv. Inst. of Technol., Gyeonggi-Do ; Kim, Y.J. ; Kim, Y.E. ; De Flaviis, F.

A small-sized (radiator sime10times8 mm) microstrip monopole antenna for reconfigurable macro-micro frequency tuning is presented. The proposed antenna operates in WiBro (2.3-2.4 GHz) and WLAN 802.11a/b (2.4-2.48 GHz/5.15-5.35 GHz) service bands with a constant antenna gain. Two frequency tuning diodes, a pin diode and a varactor, are incorporated into a meander type radiator. The pin diode is used for frequency switching (macro-tuning) between 2 GHz band and 5 GHz band. In addition, the varactor is used for frequency tuning (micro-tuning) within wireless service bands (2.3-2.48 GHz and 5.15-5.35 GHz) to produce constant antenna gain

Published in:

Electronics Letters  (Volume:43 ,  Issue: 4 )