NDLI: C-Band Linearly Polarised Textile-Reflectarray (TRA) Using Conductive Thread

Content Provider	IET Digital Library
Author	Tahseen, Muhammad M. Kishk, Ahmed A.
Abstract	A linearly polarised C-band textile-based reflectarray (TRA) is designed and fabricated using conductive thread. Three fabric samples are selected to be employed in the TRA design. The relative permittivity of the samples under test are extracted using resonance technique. The extracted material parameters are used in designing TRA elements. The reflected wave amplitude and phase curves are obtained by varying the size of the radiating element, resulting in a 340° reflected phase, which is adequate to design the C-band TRA. A centre-fed TRA consisting of 15 × 15 elements, with antenna size of 8.25 λ × 8.25 λ is intended for the analysis of broadside radiations. A wide band multi-layer stacked circular patches are used as a feeder. The radiating elements of the TRA are made using the laying technique with conductive thread. The ground (GND) plane is made of shielded fabric. During measurements, it is observed that the shielded fabric is not suitable to be used as a large ground plane. The TRA antenna is measured at 5.8 GHz. The antenna provides a 1-dB gain bandwidth of 9.3%, the 3-dB gain bandwidth of more than 22%, SLL of −16 dB, and cross polarisation of −21 dB. A measured total field amplitude and phase distribution verify the planar wavefront conversion from the TRA.
Starting Page	982
Ending Page	989
Page Count	8
ISSN	17518725
Volume Number	11
e-ISSN	17518733
Issue Number	Issue 7, Jun (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/11/7
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2016.0630
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2017-01-20
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Antenna Accessory Antenna Array Antenna Feeds Antenna Radiation Pattern Broadband Antenna Broadside Radiation Analysis C-band Linearly Polarised TRA Design Centre-fed TRA Conductive Thread Extracted Material Parameter Feeder Field Amplitude Distribution Frequency 5.8 GHz Gain -16 DB Ground Plane Laying Technique Microstrip Antenna Array Phase Curves Phase Distribution Photonic Technology Planar Wavefront Conversion Radiating Element Reflect Array Antenna Reflected Wave Amplitude Relative Permittivity Resonance Technique Sample under Test Shielded Fabric Textile Product Textile-based Reflectarray Wearable Antenna Wideband Multilayer Stacked Circular Patches
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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