NDLI: Design of miniaturised meandered loop on-chip antenna with enhanced gain using shorted partially shield layer for communication at 9.45 GHz

Content Provider	IET Digital Library
Author	Singh, Harshavardhan Mandal, Sanjukta Mandal, Sujit Kr. Karmakar, Ayan
Abstract	A significantly miniaturised meandered loop on-chip antenna (MeLOCA) for communication at 9.45 GHz has been proposed. First, a meandered loop antenna size is reduced and its gain is enhanced by introducing a partially shield layer (PSL). Then, the antenna size is further reduced with a shorted conical pin connecting the antenna and PSL. The PSL provides capacitive loading and shifts resonating frequency of the reference antenna from 23 to 11.07 GHz. Also, it reduces substrate loss by obstructing EM wave propagation towards the lossy Silicon substrate and offers gain enhancement. Moreover, shorting to PSL offers an enhanced electrical length and shifts resonating frequency at 9.45 GHz. Thus, combination of PSL and shorting pin leads to realise the optimally designed MeLOCA size of 2.1 × 2 mm2 with reduction up to λ 0/15.11. Simulated maximum gain and efficiency of −29 dB and 21.07%, respectively, make the antenna a suitable candidate for short range communication. Also, maximum of 16 and 20 dB and minimum of 3 and 5.6 dB isolations between co-polarisation and cross-polarisation components are achieved, respectively, in E and H planes. A prototype has been fabricated using 0.18 μm CMOS technology and good agreement between simulated and measured return loss characteristics is observed.
Starting Page	1009
Ending Page	1016
Page Count	8
ISSN	17518725
Volume Number	13
e-ISSN	17518733
Issue Number	Issue 7, Jun (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/13/7
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2018.5974
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2019-02-20
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Antenna Radiation Pattern CMOS Integrated Circuit CMOS Technology Cross-polarisation Component Efficiency 21.07 Percent Frequency 11.07 GHz to 23.0 GHz Frequency 9.45 GHz Loop Antenna Meandered Loop Antenna Size Microwave Antenna Miniaturised Meandered Loop On-chip Antenna Noise Figure -29.0 DB Optimally Designed MeLOCA Size Partially Shield Layer Reference Antenna Short Range Communication Shorted Conical Pin Shorting Pin Single Antenna Size 0.18 Mum
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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