Component effects to the antenna design in mobile devices

Author(s):  
Ching-Cheng Hsu ◽  
Yu Chen ◽  
Tzung-Wern Chiou
2013 ◽  
Vol 411-414 ◽  
pp. 809-812
Author(s):  
Sheng Cai Jiao ◽  
Wen Zhou Sun

In this paper, we present a compact high-efficiency multi-band micro strip antenna for the mobile devices. At the same time, because most of antennas are located near the ground planar, the proposed antenna is designed with a ground planar. The antenna occupies a small size of 100*60mm2 and operates in CDMA(824-894MHz),GSM(880-960MHz), DCS(1710-1880),PCS(1850-1990),UMTS(1920-2170) and 3G band. By using a long slot, two trapezoid slots and a short slot, a triple resonance around 900MHz and another wideband resonance around 2100MHz can be created, respectively. Details of the antenna design are described , and its radiation performances results are presented and discussed. Keywords-Multi-band antenna;; mobile communication devices; hige-efficency


2019 ◽  
Vol 4 (10) ◽  
pp. 111-115 ◽  
Author(s):  
Salvador Ricardo Meneses González ◽  
Rita Trinidad Rodríguez Márquez

Actually Internet of Things (IoT) applications, from driverless cars, mobile devices, smart homes and smart cities are highly requested by the costumers, obliging telecommunication businesses operators established in countries to provide shortly this significant and inevitable technological leap forward. 5G is the technology that will enable these smart mobile devices to be well connected. These devices are becoming smaller, therefore and because to the high degree of miniaturization and an efficient wireless link, small antennas, which satisfies gain, resonance frequency, wideband, impedance, and low cost are demanded, which dimensions are enough small for be assembled into these kinds of mobile devices. This work proposes a wide bandwidth ranging from 3.1 GHz – 4.2 GHz Slotted Planar Microstrip Patch Antenna, applied to first trials and introduction of 5G services, describing the design, simulation, implementation, measurement and experimental results.


2009 ◽  
Vol 51 (9) ◽  
pp. 2242-2248 ◽  
Author(s):  
Chow-Yen-Desmond Sim ◽  
Po-Chun Cheng ◽  
Ching-Her Lee

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