A Novel Feeding Technique for a Dual Band Microstrip Patch Antenna

Mohammad Tariqul ISLAM  Ahmed Toaha MOBASHSHER  Norbahiah MISRAN  

IEICE TRANSACTIONS on Communications   Vol.E93-B   No.9   pp.2455-2457
Publication Date: 2010/09/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E93.B.2455
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Antennas and Propagation
feeding technique,  dual band,  microstrip patch antenna,  high gain,  

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In this paper, a novel feeding technique is proposed to feed a printed rectangular ring patch antenna that attains high gain in two bands simultaneously. The prototype antenna exhibits good impedance bandwidths satisfying ISM 2.45/5.8 GHz achieving maximum gain of 9.56 and 10.17 dBi, respectively, with a stable radiation pattern.