5G aday frekans bandında 4-Portlu MIMO antenin geliştirilmesi

Yıl 2021, Cilt: 11 Sayı: 3, 653 - 662, 15.07.2021

Mehmet Ali Özaslan

https://doi.org/10.17714/gumusfenbil.742908

Öz

Bu çalışmada, 5G aday frekans bandında 4-portlu masif Çoklu–Giriş–Çoklu–Çıkış (Multiple–Input–Multiple–Output, MIMO) anten tasarımı geliştirilmiştir. MIMO anten yapısı, bir dikdörtgen, bir daire ve bir zemin düzleminden oluşmaktadır. MIMO anten boyutu 35x50x0.76mm3’tür. Antenin bant genişliği S11 parametresine göre 1.1GHz olarak bulunmuştur. Bant genişliği bu anten için yüksek olup ideal değere sahiptir. MIMO antenin aktif yansıma katsayıları maksimum-14.5dB civarlarında ve zarf korelasyon katsayıları ise 0.017’den daha küçük bulunmuştur. Antenin 24GHz’de maksimum verimlilik değeri %94.50, 27GHz’de %91.81 ve 28GHz’de %81.81 olarak elde edilmiştir. Geliştirilen 4-portlu MIMO antenin radyasyon değerleri normalize edilmiş değerlerdir. Antenin tasarımı ve analizi ANSYS HFSS® bilgisayar benzetimi kullanılarak tamamlanmıştır. İncelenen frekans değerleri 5G teknolojisi için lisanslanmış aday frekans değerleridir. Tasarlanan antenden bulunan kazanç değerleri 24GHz’de 12.70dB, 27GHz’de 13.05dB ve 28GHz’de 10.48dB olarak bulunmuştur. Bulunan kazanç değerleri 4-portlu MIMO anten için önemli değerlere sahiptir.

Anahtar Kelimeler

24GHz, 5G, 6GHz, Anten kazancı, MIMO

Destekleyen Kurum

Recep Tayyip Erdoğan Üniversitesi

Development of 4-Port MIMO antenna in the 5G candidate frequency band

Öz

In this study, 4 port massive Multiple–Input–Multiple–Output (MIMO) antenna design has been developed in the 5G candidate frequency band. The MIMO antenna structure consists of a rectangle, a circle, and a ground plane. MIMO antenna size is 35x50x0.76mm3. According to the S11 parameter, the bandwidth of the antenna was found to be 1.1GHz. The bandwidth is high for this antenna and has an ideal value. The active reflection coefficients of the MIMO antenna were maximum -14.5dB and the envelope correlation coefficient was less than 0.017. The maximum efficiency of the antenna at 24GHz is 94.50%, 91.81% at 27GHz and, 81.81% at 28GHz. The radiation values of the developed 4-port MIMO antenna are normalized values. The design and analysis of the antenna was completed using ANSYS HFSS® computer simulator. The frequency values investigated are candidate frequency values licensed for 5G technology. The gain values from the designed antenna are 12.70B at 24GHz, 13.05dB at 27GHz and, 10.48dB at 28GHz. The gain values found have important values for the 4-port MIMO antenna.

Anahtar Kelimeler

24GHz, 5G, 6GHz, Antenna gain, MIMO

Kaynakça

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