A Compact Transparent Dual-Element Antenna with Improved Isolation

المؤلفون

  • Abdulati Abdullah Department of Electric Engineering, Faculty of Engineering, Azzaytuna University , Tarhunah, Libya المؤلف https://orcid.org/0000-0002-3242-038X
  • fuad Mohammed Department of Electric Engineering, Faculty of Engineering, Azzaytuna University , Tarhunah, Libya المؤلف
  • Ahmed Elshoshi Department of Electric Engineering, Higher Institute of Engineering Technology, Tripoli, Libya المؤلف
  • Abubaker Algatlawi Department of Electric Engineering, Higher Institute of Science Technology, Tarhunah, Libya المؤلف
  • Yousef Hammad Department of Electric Engineering, Higher Institute of Science Technology, Tarhunah, Libya المؤلف

DOI:

https://doi.org/10.35778/jazu.i56.a679

الكلمات المفتاحية:

الهوائي الشفاف، (Plexiglas)، الاقتران المتبادل، معامل الارتباط المغلف (ECC)، الكسب التنوعي (DG)، الجيل الخامس (5G).

الملخص

تم تصميم هوائي شفاف مدمج واسع النطاق يعمل في نطاق الموجات المليمترية (mm-wave) على ركيزة من مادة الـ Plexiglas بأبعاد 10.235 × 10 × 0.508 مم³، ثم جرى تعديل مستوى التأريض مما أدى إلى تعزيز عرض الحزمة. يحقق الهوائي المقترح عرض حزمة قدره 13.5 جيجاهرتز، ويدعم ترددين رنينيين عند 24.7 جيجاهرتز و 33.8 جيجاهرتز مع معاملات انعكاس بلغت -35 ديسيبل و -33 ديسيبل على التوالي، وكسب مقداره 6.4 ديسيبل و 4.5 ديسيبل، إضافةً إلى كفاءة تشغيلية تصل إلى 85%. تم تطوير  التصميم ليشمل عنصرين هوائيين، مع إدخال عنصر طفيلي على شكل لوح مقلوب على هيئة U بين الهوائيين، وذلك لتحسين العزل وتقليل الاقتران المتبادل. كانت المسافة الفاصلة بين العنصرين أقل من λ/2، مما أدى إلى تحقيق عزل أقل من -39 ديسيبل، ومعامل ارتباط مغلف (ECC) يقارب 0.002، وكسب تنوعي (DG) يساوي 10 عند التردد الرنيني 25.561 جيجاهرتز، لدعم عرض حزمة تشغيلية يبلغ 6 جيجاهرتز. تُظهر هذه النتائج تحسناً ملحوظاً في مدمجية الهوائي، وخصائصه الكهرومغناطيسية، وكفاءته الطيفية، مما يجعله مرشحاً ممتازاً للاستخدام في تطبيقات الاتصالات واسعة النطاق للجيل الخامس (5G) وما بعدها.

التنزيلات

تنزيل البيانات ليس متاحًا بعد.

السير الشخصية للمؤلفين

  • Abdulati Abdullah، Department of Electric Engineering, Faculty of Engineering, Azzaytuna University , Tarhunah, Libya

    Abdulati I. Abdullah received the BSc degree in Electrical and Electronic Engineering from Azzaytuna University, Libya in 2007,  and MSc degree in Data Communications form The University of Sheffield, UK in 2014. He is working as a lecturer with Department of Electric and Electronic Engineering at Azzaytuna University, Tarhunah, Libya since 2015. He is ranked as an assistant Professor since June 2023. He is serving different conferences and journals as a reviewer, and a regular reviewer with some IEEE conferences. His research interest includes: 5G wireless communications and beyond, mm-wave antennas and spatial modulation. He has many published articles in Scopus.

  • Ahmed Elshoshi، Department of Electric Engineering, Higher Institute of Engineering Technology, Tripoli, Libya

    Ahmed H. Elshoshi received the BSc degree in Electrical and Electronic Engineering from Al-Mergeb University, Libya in 2006, and MSc degree in computing and Electronic Engineering, University of Huddersfield, UK in 2015. He is working as a full time lecturer with Department of Electric Engineering, Higher Institute of Engineering Technology, Tripoli, Libya since 2015.  His research of interest includes: 5G wireless communications and beyond, mm-wave antennas

المراجع

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التنزيلات

منشور

2025-12-31

إصدار

عدد 56 (2025): مجلة جامعة الزيتونة

القسم

Articles

الرخصة

Creative Commons License

هذا العمل مرخص بموجب Creative Commons Attribution 4.0 International License.

كيفية الاقتباس

Abdullah, A., Mohammed , fuad, Elshoshi, A., Algatlawi, A., & Hammad , Y. (2025). A Compact Transparent Dual-Element Antenna with Improved Isolation. مجلة جامعة الزيتونة , 56, 259-276. https://doi.org/10.35778/jazu.i56.a679

الأعمال الأكثر قراءة لنفس المؤلف/المؤلفين