Wide-band UHF antenna of circular polarization

Wide-band and low-profile antennas of circular polarization are of great demand in many communication systems, such as RFID, UAV. The objective of this dissertation is to des ign a planar UHF antenna that exhibits wide bandwidth and circular polarization. In this dissertation, a novel ultra...

Full description

Saved in:
Bibliographic Details
Main Author: Yi, Yongxin
Other Authors: Shen Zhongxiang
Format: Theses and Dissertations
Language:English
Published: 2015
Subjects:
Online Access:http://hdl.handle.net/10356/64782
Tags: Add Tag
No Tags, Be the first to tag this record!
Institution: Nanyang Technological University
Language: English
id sg-ntu-dr.10356-64782
record_format dspace
spelling sg-ntu-dr.10356-647822023-07-04T16:05:08Z Wide-band UHF antenna of circular polarization Yi, Yongxin Shen Zhongxiang School of Electrical and Electronic Engineering DRNTU::Engineering Wide-band and low-profile antennas of circular polarization are of great demand in many communication systems, such as RFID, UAV. The objective of this dissertation is to des ign a planar UHF antenna that exhibits wide bandwidth and circular polarization. In this dissertation, a novel ultra wide band (3 00 MHz -3000 MHz) antenna is designed in the first place to operate in the required frequency bands, which exhibits low profile, wide bandwidth and circular polarization. The proposed antenna that has a more compact transverse size than the conventional ones achieves the advantages of compact size, light weight, easy integration, and wideband. Moreover, simulation results show that the antenna in this dissertation obtains a very good antenna perfo rmance with low voltage standing wave ratio (VSWR) and ax ial ratio (AR), so it is suitable for wideband communication applications. An initial design will be proposed and simulated in High Frequency Structure Simulator (HFSS). Simulation results of the design show some crucial radiation performances that can meet the specific requirements of the circularly polarized (C P) antenna used in the wireless systems, especially in the UAV systems. Master of Science (Communications Engineering) 2015-06-04T02:52:56Z 2015-06-04T02:52:56Z 2014 2014 Thesis http://hdl.handle.net/10356/64782 en 71 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering
spellingShingle DRNTU::Engineering
Yi, Yongxin
Wide-band UHF antenna of circular polarization
description Wide-band and low-profile antennas of circular polarization are of great demand in many communication systems, such as RFID, UAV. The objective of this dissertation is to des ign a planar UHF antenna that exhibits wide bandwidth and circular polarization. In this dissertation, a novel ultra wide band (3 00 MHz -3000 MHz) antenna is designed in the first place to operate in the required frequency bands, which exhibits low profile, wide bandwidth and circular polarization. The proposed antenna that has a more compact transverse size than the conventional ones achieves the advantages of compact size, light weight, easy integration, and wideband. Moreover, simulation results show that the antenna in this dissertation obtains a very good antenna perfo rmance with low voltage standing wave ratio (VSWR) and ax ial ratio (AR), so it is suitable for wideband communication applications. An initial design will be proposed and simulated in High Frequency Structure Simulator (HFSS). Simulation results of the design show some crucial radiation performances that can meet the specific requirements of the circularly polarized (C P) antenna used in the wireless systems, especially in the UAV systems.
author2 Shen Zhongxiang
author_facet Shen Zhongxiang
Yi, Yongxin
format Theses and Dissertations
author Yi, Yongxin
author_sort Yi, Yongxin
title Wide-band UHF antenna of circular polarization
title_short Wide-band UHF antenna of circular polarization
title_full Wide-band UHF antenna of circular polarization
title_fullStr Wide-band UHF antenna of circular polarization
title_full_unstemmed Wide-band UHF antenna of circular polarization
title_sort wide-band uhf antenna of circular polarization
publishDate 2015
url http://hdl.handle.net/10356/64782
_version_ 1772825737996271616