Beam-tilted dipole-EBG array antenna for future base station applications

2013 ◽  
Author(s):  
Ilkyu Kim ◽  
Yahya Rahmat-Samii
Keyword(s):  
Base Station ◽  
Array Antenna ◽  
Tilted Dipole

LTCC slot array antenna for 5G application

2019 ◽  
Vol 2019 (1) ◽  
pp. 000238-000242
Author(s):  
Hiroyuki Takahashi ◽  
Satoshi Hirano ◽  
Daisuke Yamashita
Keyword(s):  
Mobile Device ◽  
Beam Steering ◽  
Base Station ◽  
Small Cell ◽  
Array Antenna ◽  
Antenna Element ◽  
Beam Angle ◽  
Antenna Size ◽  
Antenna Module ◽  
Cell Base

Abstract We develop the antenna module substrate which is broadband and large gain using an LTCC technology in a 28GHz band in this study. We used LTCC materials (dielectric constant 5.8, Dielectric loss 0.002@28GHz) which we developed for materials originally. First of all, we confirmed ability of slot array antenna made by LTCC for 5G application to get broadband property. The structure of designed array antenna became 40mm × 3.2mm × t1.6mm. We confirmed that this antenna has wider bandwidth (2.2GHz) and higher gain (6dBi). But this antenna size is too large for applying mobile device. Therefore we redesigned to reduce antenna size without specification degradation. The structure of redesigned antenna element becomes basically 4.8mm × 6.7mm × t1.0mm. This antenna has wider bandwidth (2.7GHz). The gains are more than 5dBi for the characteristic of this element in a band. Assume this antenna a fabric; 2 × 2 (4 elements: for mobile device) and 4 × 4 (16 elements: for small cell base station) we make an array antenna for Small cell base station and for mobile device. We will evaluate a beam steering examination with emission properties (gain, beam angle).

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