High-Gain Rectangular Patch Microstrip Antenna for IEEE 802.11 b/g Applications

Year 2022, Issue: 34, 657 - 660, 31.03.2022

Hilal Kurt

https://doi.org/10.31590/ejosat.1084138

Abstract

Increasing demand for microstrip patch antennas, especially in microwave applications, due to its compactness, ease of fabrication, low cost, etc. gives rise to the research studies on the related area. In this study, rectangular shaped microstrip patch antenna is designed and simulated for Bluetooth applications. The antenna consists of rectangular shaped patch that is loaded with rectangular slots with different lengths, FR-4 substrate with 1.6 mm thickness and ground with reduced length. The designed antenna is simulated using CST MWS software to investigate S11, gain, VSWR parameters. Microstrip line feeding technique with discrete port is used to feed the antenna. According to the results, lower and higher frequency bands of the antenna are 2.24 GHz – 2.62 GHz with 2.48 GHz center frequency (15.3% bandwidth) and 5.80 GHz – 5.99 GHz with 5.90 GHz center frequency (3.22% bandwidth), respectively. Gain values at 2.4 GHz, 2.5 GHz and 5.9 GHz frequencies can be given as 3.45 dBi, 3.58 dBi and 4.93 dBi, respectively. S11 values at 2.4 GHz, 2.5 GHz and 5.9 GHz frequency bands are -16.64 dB, -18.00 dB and -15.11 dB. VSWR values of the antenna for 2.4 GHz, 2.5 GHz and 5.9 GHz can be given as, 1.35, 1.29 and 1.43 respectively. As a result, the proposed antenna has high gain and wide low frequency band. It can be used for Bluetooth/ Wi-Fi applications and IEEE 802.11 b/g standards are also supported by the antenna.

Keywords

IEEE 802.11 b/g, rectangular patch antenna, Bluetooth Antenna, Wi-Fi Antenna, 2.4/2.5 GHz antenna design

Supporting Institution

TUBITAK

Project Number

1919B012102336

Thanks

This study has been carried out using the laboratory facilities of Izmir Katip Celebi University Smart Factory Systems Application and Research Center (AFSUAM). The study is supported by TUBITAK 2209-A University Students Research Projects Support Program within the scope of project numbered 1919B012102336.

IEEE 802.11 b/g Uygulamalarına Yönelik Yüksek Kazançlı Dikdörtgen Yama Mikroşerit Anten Tasarımı

Abstract

Mikroşerit yama antenlerin kompakt olması, imalat kolaylığı, düşük maliyeti vb. gibi avantajları, bu antenlere olan talebin, özellikle mikrodalga uygulamalarında, artmasına dolayısıyla mikroşerit antenlere yönelik bilimsel araştırmalarda artışa sebep olmuştur. Bu çalışmada, Bluetooth uygulamaları için dikdörtgen yama mikroşerit anten tasarlanmış ve simüle edilmiştir. Anten, üzerinde farklı uzunluklarda dikdörtgen yarıklar kullanılmış dikdörtgen yama, 1,6 mm kalınlığında FR-4 alt taş ve dikdörtgen zeminden oluşmaktadır. Tasarlanan anten, S11, kazanç, VSWR parametrelerini incelemek için CST MWS yazılımı kullanılarak simüle edilmiştir. Anten, mikroşerit hat besleme tekniği kullanılarak beslenmiştir. Sonuçlara göre antenin düşük ve yüksek frekans bantları 2,48 GHz merkez frekansı ile 2,24 GHz – 2,62 GHz (%15,3 bant genişliği) ve 5,90 GHz merkez frekansı ile (%3,22 bant genişliği) 5,80 GHz – 5,99 GHz olarak elde edilmiştir. 2.4 GHz, 2.5 GHz ve 5.9 GHz frekanslarında kazanç değerleri sırasıyla 3.45 dBi, 3.58 dBi ve 4.93 dBi olarak verilebilir. 2.4 GHz, 2.5 GHz ve 5.9 GHz frekans bantlarında S11 değerleri -16.64 dB, -18.00 dB ve -15.11 dB'dir. Antenin 2.4 GHz, 2.5 GHz ve 5.9 GHz frekanslarındaki VSWR değerleri sırasıyla 1.35, 1.29 ve 1.43 olarak verilebilir. Sonuç olarak önerilen anten yüksek kazanca ve geniş düşük frekans bandına sahiptir. Anten, IEEE 802.11 b/g standartlarını destekler. Dolayısıyla Bluetooth ve Wi-Fi uygulamalarında kullanılabilir.

Keywords

IEEE 802.11 b/g, dikdörtgen yama anten, Bluetooth anten, Wi-Fi Anten, 2.4/2.5 GHz anten tasarımı

Project Number

1919B012102336

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