Bandwidth Enhancement of a D-Crescent-Shaped Monopole Patch Antenna for Wireless Applications

Year 2024, , 98 - 104, 30.04.2024

Cem Güler , Sena Esen Bayer Keskin

https://doi.org/10.46387/bjesr.1443866

Abstract

A low-profile monopole patch antenna is proposed for wireless communication purposes, covering PCS1900, UMTS, LTE2300, LTE2500, ISM, and WLAN bands. The antenna features a novel double-crescent-shaped (D-Crescent-Shaped) patch with a partial ground plane to enhance bandwidth. Resonating at 2.4 GHz for ISM applications, the antenna, constructed on FR-4 dielectric, exhibits a proportional bandwidth of 38%, covering 1.91 GHz to 2.81 GHz. The design achieves a low-profile configuration with dimensions of 36.88×44.85 mm², featuring a thickness of 1.6 mm. The proposed antenna has a return loss of -56.1 dB and a directivity gain of 2.21 dBi. The proposed antenna, with its low-profile design, ease of manufacturing, and improved bandwidth and return loss, is well-suited for wireless communication applications across widely-used frequency ranges like PCS, UMTS, LTE2300, LTE2500, ISM, Wi-Fi, Bluetooth, and 4G LTE.

Keywords

Patch Antenna, ISM Band, Bandwidth, Return Loss

Kablosuz Uygulamalar için D-Hilal Şekilli Tek Kutuplu Yama Anteninin Bant Genişliğinin Artırılması

Abstract

Bu çalışmada, çok yönlü kablosuz iletişim uygulamaları için PCS1900, UMTS, LTE2300, LTE2500, ISM ve WLAN bantlarını kapsayan düşük profilli bir mikroşerit yama anten önerilmektedir. Anten, bant genişliğini artırmakamacıyla kısmi bir toprak düzlemine sahip yeni bir çift hilal şekilli (D-Hilal Şekilli) yamaya sahip olacak biçimde tasarlanmıştır. ISM uygulamaları için 2,4 GHz'de rezonansa giren ve FR-4 dielektrik malzeme üzerine inşa edilen anten, 1,91 GHz ila 2,81 GHz'i kapsayan %38'lik oransal bant genişliği sergilemektedir. Tasarım, 36,88×44,85 mm² boyutları ve 1,6 mm kalınlığı ile düşük profile sahip bir konfigürasyondan oluşmaktadır. Antenin geri dönüş kaybı -56,1 dB ve yönlülük kazancı 2,21 dBi'dir. Önerilen anten, düşük profilli tasarımı, üretim kolaylığı ve gelişmiş bant genişliği ve geri dönüş kaybı ile PCS, UMTS, LTE2300, LTE2500, ISM, Wi-Fi, Bluetooth ve 4G LTE gibi yaygın olarak kullanılan frekans aralıklarında kablosuz iletişim uygulamaları için çok uygundur.

Keywords

Patch Antenna, ISM Band, Bandwidth, Return Loss

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