NDLI: Ultrawide Bandwidth 2<formula formulatype=inline> <tex Notation=TeX>$,times,$</tex></formula>2 Microstrip Patch Array Antenna Using Electromagnetic Band-Gap Structure (EBG)

Content Provider	IEEE Xplore Digital Library
Author	Nashaat, D. Elsadek, H.A. Abdallah, E.A. Iskander, M.F. Elhenawy, H.M.
Copyright Year	1963
Abstract	Four types of EBG structures are proposed and used in the design of a patch antenna array to improve the bandwidth, gain and reduce the overall array size. The four ground plane designs for the 2 × 2 microstrip patch antenna array (MPAA) are; spiral artificial magnetic conductor (SAMC) ground plane, an SAMC embedded with a large spiral artificial magnetic conductor (LSAMC), an SAMC embedded with small spiral patch cells (SSAMC), and an SAMC embedded with small spiral mushroom-type electromagnetic band-gap patches (ESEBG). Simulation results show that each configuration has its advantages and limitations. For example while LSAMC provides better response in the array size reduction and improved bandwidth, SSAMC provides better response in reflection phase and hence higher gain. The ESEBG design provides better antenna gain and bandwidth. The achieved bandwidth of the 2 × 2 array antenna extends from 0.5 GHz to 20 GHz with 85% reduction in array size compared with conventional array with normal ground plane. The array gain increased from 6.5 to 10.5 dBi and the radiation patterns are all improved when using EBG structures.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	1528
Ending Page	1534
Page Count	7
File Size	1595931
File Format	PDF
ISSN	0018926X
Volume Number	59
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spirals Periodic structures Arrays Metamaterials Antenna arrays Bandwidth Reflection ultrawide bandwidth (UWB) Compact size electromagnetic band gap structure (EBG) large spiral AMC (LSAMC) microstrip patch antenna array (MPAA) small spiral AMC (SSAMC) and embedded spiral EBG (ESEBG) spiral artificial magnetic conductor (SAMC)
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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