Design Of The Rectangular Microstrip Antenna For E-UTRAN New Radio – Dual Connectivity (EN-DC)

Main Article Content

Amiludin Amiludin
Petrus Kerowe Goran
Eka Setia Nugraha

Abstract

Wireless communication systems are multiplying, and the high data access and volume have increased yearly. The 3GPP release 15 introduces a technique called E-UTRAN New Radio – Dual Connectivity (EN-DC). This technique allows users to simultaneously utilize 4G and 5G transmissions on a single antenna. The EN-DC antenna requires beamforming capabilities, often achieved using a Butler matrix. Butler matrix can produce an ideal phase difference of -1350, -450, +450, and +1350, or called ±450 and ±1350. This research discusses the design of microstrip rectangular MIMO 4x4 standalone and the Butler matrix method operation at 2.1 GHz and 2.375 GHz to obtain a phase difference in each antenna element. In this case, the simulation results show that a standalone antenna MIMO 4x4 produces a main phase direction of approximately ±171.00 at 2.1 GHz for 4G at elements 1, 2, 3, and 4. At 2.375 GHz for 5G, the main phase direction for the same elements is approximately ±25.00. At 2.1 GHz for 4G at elements 1, 2, 3, and 4, the simulation results for the antenna MIMO 4x4 with the Butler matrix indicate a main phase direction of around ±1.00. For elements 1 and 4, the primary phase direction at 2.375 GHz is around ±19.00, while for elements 2 and 3, it is around ±52.00. The simulation results demonstrate that the phase direction of the antenna MIMO 4x4 is significantly improved because of the Butler matrix. In addition, that is a limited phase direction for a standalone antenna MIMO 4x4.

Article Details

Section
Telecommunication

References

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