A Dual Band Microstrip-fed Slot Antenna

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A Dual Band Microstrip-fed Slot Antenna

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2006 IEEE Antennas and Propagation Society International Symposium>3597 - 3600

In this paper, a novel triple-band microstrip-fed slot antenna for wireless communication systems operating at 2.4, 5.2, and 5.8 GHz is demonstrated. The slot antenna is originally designed to. A simple new design method to achieve a dual band microstrip-fed slot antenna is presented. It is shown that when two slot antennas are placed in series, the spacing between the two antennas can be adjusted to achieve an effective secondary resonance. The new resonance is found to be due to the mutual coupling between the two slot antennas. For multi-band linearly polarization systems, a dual band antenna with arc-shaped slot operating at 1.6 GHz and 2.05-2.29 GHz is reported in 10. The subtending angle of the slot can be adjusted for operating frequency tuning and band spacing ratio. Furthermore, a triple band H-shaped slot antenna excited by proximity coupling of. Bands with a very compact size. In 12, design of a dual-band monopole anten-na with microstrip fed for use in wireless devices in the WiMAX system is pre-sented. The antenna radiator has a compact size of only 14.5 × 8.7 mm2 and con-sists of a short stem and two branches resonating at GHz and 3.5 around 2.4 GHz for the WLAN and WiMAX bands.

Abstract

A compact dual- and wide-band cavity-backed slot antenna subarray has been presented in this paper. Ridged slots have been employed in the design to shorten the slot length. Four slots are fed by two feeding networks printed on the upper layer of a substrate for great design flexibility. The designed antenna has been measured and experimental results have shown that the 10 dB return loss bandwidth is 7.5% for 900 MHz band and 26% for 1800 MHz band, respectively. Because of its compact size and good radiation patterns at both frequency bands, this described subarray can be very useful for dual-band array applications

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book ISBN : 1-4244-0123-2
DOI 10.1109/APS.2006.1711398

Authors

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Yijun Liu

  • Sch. of Electr.&Electron. Eng., Nanyang Technol. Univ.

Boyu Zheng

  • Sch. of Electr.&Electron. Eng., Nanyang Technol. Univ.

Zhongxiang Shen

  • Sch. of Electr.&Electron. Eng., Nanyang Technol. Univ.
A Dual Band Microstrip-fed Slot Antenna

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A Dual Band Microstrip-fed Slot Antennas

UHF antennasantenna feedsantenna radiation patternsbroadband antennasmultifrequency antennasslot antenna arrays1800 MHzdual-band microstrip-fed cavity-backed subarraywide-band cavity-backed slot antenna subarrayridged slotsfeeding networksreturn loss bandwidthradiation patterns900 MHz

UHF antennasantenna feedsantenna radiation patternsbroadband antennasmultifrequency antennasslot antenna arrays1800 MHzdual-band microstrip-fed cavity-backed subarraywide-band cavity-backed slot antenna subarrayridged slotsfeeding networksreturn loss bandwidthradiation patterns900 MHz

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IEEE Transactions on Antennas and Propagation>2011>59>5>1720 - 1724

Abstract

A simple new design method to achieve a dual band microstrip-fed slot antenna is presented. It is shown that when two slot antennas are placed in series, the spacing between the two antennas can be adjusted to achieve an effective secondary resonance. The new resonance is found to be due to the mutual coupling between the two slot antennas. An approximate circuit model for the dual band antenna is presented to explain the dual band mechanism and to provide a design guideline. The model is validated with a prototype antenna that operates at 4.22 GHz and 5.26 GHz, which are commonly used as the downlink and uplink in satellite communications. Measured results show good return loss at both frequencies, and radiation patterns agree well with the simulations. The proposed antenna has a simple geometry can be easily produced using printed circuit board techniques for applications where compactness and multiband operation are of interest.

Identifiers

journal ISSN : 0018-926X
journal e-ISSN : 1558-2221
DOI 10.1109/TAP.2011.2123065
A dual band microstrip-fed slot antennas

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Mahmoud, M.N.

A dual band microstrip-fed slot antennas
  • Electr. & Comput. Eng. Dept., Utah State Univ., Logan, UT, USA

Baktur, R.

  • Electr. & Comput. Eng. Dept., Utah State Univ., Logan, UT, USA

Keywords

A Dual Band Microstrip-fed Slot Antenna Combo

slot antennasantenna radiation patternsmicrostrip antennasmicrowave antennasprinted circuitssatellite antennasfrequency 5.26 GHzdual band microstrip-fed slot antennasecondary resonanceapproximate circuit modelprototype antennasatellite communicationsradiation patternsprinted circuit board techniquesfrequency 4.22 GHzAntenna measurementsSubstratesMicrostripmultifrequency antennasmutual coupling

slot antennasantenna radiation patternsmicrostrip antennasmicrowave antennasprinted circuitssatellite antennasfrequency 5.26 GHzdual band microstrip-fed slot antennasecondary resonanceapproximate circuit modelprototype antennasatellite communicationsradiation patternsprinted circuit board techniquesfrequency 4.22 GHzAntenna measurementsSubstratesMicrostripmultifrequency antennasmutual coupling

Design Of A Novel Microstrip-fed Dual-band Slot Antenna For Wlan Applications

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A Dual Band Microstrip-fed Slot Antenna Booster

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A Dual Band Microstrip-fed Slot Antenna Tuner

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