Design and Construction of Helical Antenna in GSM 900

2019 6th International Conference on Information Technology, Computer and Electrical Engineering (ICITACEE) Pub Date : 2019-09-01 DOI:10.1109/ICITACEE.2019.8904410

Y. Christyono, Ardi Yunianto

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Abstract

Global System for Mobile Communication (GSM) is the most popular system used for mobile telecommunications especially in Europe and Asia. The critical success factors in GSM depends on the BTS (Base Transceiver Station) coverage, however in certain areas the signal is so weak and the communication can be lost. To solve this problem an additional antenna can be used on the user's side (mobile station) which is able to increase the received signal level. In this research, Helix antenna with variation of turn has implemented to be an aditional antenna in mobile device. The Helical antenna was designed on the 900 MHz which is known as GSM 900. The antenna was measured in order to obtain some parameters such as operating frequency, bandwidth, VSWR, gain, radiation pattern and HPBW. The measured results show that Helix antenna resonates at frequency 900 MHz with VSWR 1.09, bandwidth 50 MHz and HPBW 400. The qualitative test by implementing the Helix antenna directly connected to the GSM modem shows that the received signal level can increase about 6 dB.

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GSM 900中螺旋天线的设计与构造

全球移动通信系统(GSM)是用于移动通信的最流行的系统，特别是在欧洲和亚洲。GSM的关键成功因素取决于BTS(基站收发器站)的覆盖范围，然而在某些地区信号很弱，通信可能会丢失。为了解决这个问题，可以在用户侧(移动站)使用一个额外的天线，它能够增加接收到的信号水平。在本研究中，我们将螺旋转矩天线作为移动设备的附加天线来实现。螺旋天线被设计在900兆赫，被称为GSM 900。对天线进行了测量，得到了工作频率、带宽、驻波比、增益、辐射方向图和hbw等参数。测量结果表明，螺旋天线谐振频率为900 MHz, VSWR为1.09，带宽为50 MHz, HPBW为400。通过实现直连GSM modem的螺旋天线进行定性测试，接收到的信号电平可提高约6 dB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2019 6th International Conference on Information Technology, Computer and Electrical Engineering (ICITACEE)

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