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A MIMO antenna with a two-stage ground for USB dongle applications

✍ Scribed by Yeonsik Yu; Giho Kim; Wonmo Seong; Jaehoon Choi

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
727 KB
Volume
53
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A multiband internal multiple‐input multiple‐output (MIMO) antenna for USB dongle applications is proposed. Two types of antenna element are used to construct a MIMO antenna system. The resonance frequencies of the MIMO antenna are controlled by the lengths of the two asymmetric arms or by the number of turns in a helix. The designed antenna provides wide bandwidth to cover LTE, DCN, and PCS‐1900 services, simultaneously. Although the MIMO antenna is installed within an electrically small USB dongle device, the isolation characteristic and antenna performance can be improved by using a two‐stage ground structure. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:418–422, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25742

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