Active Antenna with Switchable Beams for Wireless Sensor Networks and IoT

被引：0

作者：

Rigelsford, J. M. ^{[1
]}

Hussein, H. ^{[1
]}

Alkhudhairi, Radhwan J. ^{[1
]}

机构：

[1] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England

来源：

2017 XI INTERNATIONAL CONFERENCE ON ANTENNA THEORY AND TECHNIQUES (ICATT) | 2017年

关键词：

Antenna; microcell; heterogeneous network; IoT; ARRAY;

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

An active antenna capable of changing the beamwidth and pointing direction of its main radiating beam is presented. The design exploits the use of a novel frequency selective surface (FSS) and variable capacitance diodes (varactors) to control the main beam of an antenna. The main beam azimuthal pointing direction can be steered +/- 18 degrees from boresight and the -3dB beamwidth varied from 100 degrees to 140 degrees. Narrower beamwidths can be achieved by changing the size and shape of the active ground plane. The design is suitable for applications where even small changes to the antenna parameters (gain, beamwidth and pointing direction) can have a positive impact on coverage and performance. Operating within the 2.4GHz ISM band, the proposed antenna design is suitable for adaptive indoor WiFi networks, dynamic wireless sensor networks and the internet of things.

引用

页码：228 / 231

页数：4

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