A Novel Wideband Circularly Polarized Antenna for RF Energy Harvesting in Wireless Sensor Nodes-Reference-Cited by-同舟云学术

A Novel Wideband Circularly Polarized Antenna for RF Energy Harvesting in Wireless Sensor Nodes

Published:2018 Issue: Volume:2018 Page:1-9
ISSN:1687-5869
Container-title:International Journal of Antennas and Propagation
language:en
Short-container-title:International Journal of Antennas and Propagation

Author:

Nguyen Nhu Huan¹²,Bui Thi Duyen¹,Le Anh Dung¹²,Pham Anh Duc¹,Nguyen Thanh Tung³,Nguyen Quoc Cuong¹,Le Minh Thuy¹^ORCID

Affiliation:

1. Department of Instrumentation and Industrial Informatics, School of Electrical Engineering, Hanoi University of Science and Technology, Hanoi 10000, Vietnam

2. University of Grenoble Alpes, Grenoble, France

3. Institute of Materials Science, Vietnam Academy of Science and Technology, Hanoi 10000, Vietnam

Abstract

A novel wideband circularly polarized antenna array using sequential rotation feeding network is presented in this paper. The proposed antenna array has a relative bandwidth of 38.7% at frequencies from 5.05 GHz to 7.45 GHz with a highest gain of 12 dBi at 6 GHz. A corresponding left-handed metamaterial is designed in order to increase antenna gain without significantly affecting its polarization characteristics. The wideband circularly polarized antenna with 2.4 GHz of bandwidth is a promising solution for wireless communication system such as tracking or wireless energy harvesting from Wi-Fi signal based on IEEE 802.11ac standard or future 5G cellular. A potential application of this antenna as a receiving antenna for RF-DC device to obtain DC power for a wireless sensor node from Wi-Fi signal is shown.

Funder

Ministry of Education and Training

Publisher

Hindawi Limited

Subject

Electrical and Electronic Engineering

Link

http://downloads.hindawi.com/journals/ijap/2018/1692018.pdf

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