Bandwidth Enhancement Techniques for Dif ferent Shapes of Single-Patch Single-Layer Microstrip Patch Antenna

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2004, Vol. 27 ›› Issue (2): 54-60.

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Bandwidth Enhancement Techniques for Dif ferent Shapes of Single-Patch Single-Layer Microstrip Patch Antenna

ABDALLAH A. S. ,MO HAMM ED Y. E. ,LIU Y. A.

Telecomm unicati on Engineering School, Beijing Univ ersi t y of Pos ts and Telecommu ni cati ons, Beijing 100876, China

Received:2002-07-10 Online:2004-02-28

Abstract

Abstract: Several techniques of ba ndw idth enhancement a re ado pted in this paper fo r dif ferent shapes o f single-lay er single-pa tch antenna. They are mainly: theprobe-fed square patch antenna with sho rting pins, a nd the pro be-fed rectang ular patch antenna wi th a pai r o f wide slit s ( E-sha ped pa tch ) . The a nalyses w ere ca rried out using method o f moments sof tw are packag e. It i s show n that the pro be-fesquare patch a ntenna can be made resonate a t th ree dif ferent f requencies o f 1. 83 GHz, 2. 16 GHz and 2. 74 GHz respectiv ely w ith a peak gain o f 9. 4 dB. The Eshaped pa tch is designed to resonate at tw o di fferent f requencies o f 2. 13 G Hz and 2. 5 GHz wi th ov erall impeda nce bandwidth of about 33. 33% ( return loss≤ - 10dB) wi th respect to a center f requency of 2. 4 GHz. The peak gain i s about 9. 25dB.

Key words: micro st rip pa tch antenna, bandwidth enhancement, broad-band antenna

CLC Number:

TN820. 1

ABDALLAH A. S. ,MO HAMM ED Y. E. ,LIU Y. A.. Bandwidth Enhancement Techniques for Dif ferent Shapes of Single-Patch Single-Layer Microstrip Patch Antenna[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2004, 27(2): 54-60.

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Bandwidth Enhancement Techniques for Dif ferent Shapes of Single-Patch Single-Layer Microstrip Patch Antenna

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