طراحی و تست آنتن دو بانده4G/5G برای باندهای فرکانسی 6/2 GHz و 5/3 GHz
محورهای موضوعی : مهندسی مخابرات
امیر رضاقلی
1
(موسسه آموزش عالی زند شیراز)
حسین زرگر
2
(پژوهشگاه ارتباطات و فناوری اطلاعات)
ایران سرافراز
3
(دانشگاه آزاد اسلامی واحد شیراز)
کلید واژه: 4G LTE, 5G NR, آنتن چندبانده, آنتن پچ, شکاف.,
چکیده مقاله :
نسل پنجم شبکه تلفن¬های همراه (5G NR) با تکیه بر نسل چهارم (4G LTE) خود، پایه و اساس پهنای باند بهبودیافته شامل ظرفیت بیشتر برای کاربران بی¬سیم، لینک¬های بهبود یافته بین کاربران (زمان تأخیر و تلفات کمتر) و افزایش نرخ داده را برقرار می¬نماید. باندهای n38 (2600 مگاهرتز)، n48 (3500 مگاهرتز) و n78 (3500 مگاهرتز) به دلیل در دسترس بودن نسبتاً متداول، از رایج¬ترین باندهای فرکانسی 5G تست شده و مستقر می¬باشند. آنتن¬های دو یا چند بانده از الزامات اصلی همزیستی 5G با 4G هستند. از آنجایی که شکاف¬ها، آنتن¬های پچ را کوچک¬تر و کم-هزینه¬تر می¬کنند، آنتن¬های پچ شکاف¬دار برای استفاده در کاربردهای دو یا چند بانده 4G/5G بسیار جذاب می¬باشند. در این مقاله، یک آنتن پچ شکاف¬دار دو بانده برای باندهای فرکانسی 6/2 گیگاهرتز (برای هر دو4G LTE و 5G NR) و 5/3 گیگاهرتز (برای 5G NR) ارائه و پیشنهاد شده و عملکرد آن به صورت تجربی با موفقیت بررسی و تأیید شده است. توافق بسیار خوبی بین شبیه¬سازی ها و نتایج تجربی مشاهده می¬شود.
Building upon 4G LTE, 5G NR establishes the foundation for enhanced mobile broadband, including more capacity for wireless users, improved links among users (less lag time and network loss), and enhanced data rates. n38 (2600 MHz), n48 (3500 MHz), and n78 (3500 MHz) 5G NR bands are among the most commonly tested and deployed 5G frequency bands due to their relatively common availability. Dual-band or multi-band antennas are the key requirements of 5G coexistence with 4G. Since slots make patch antennas smaller and more low-cost, slot-patch antennas are extremely attractive to be used in 4G/5G dual-band or multi-band applications. In this paper, we have demonstrated a dual-band 4G LTE/5G NR slot-patch antenna for 2.6 GHz (for both 4G LTE and 5G NR) and 3.5 GHz (for 5G NR) frequency bands, and successfully verified its performance experimentally. A very good agreement can be seen between simulations and experimental results.
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