NDLI: Trapezoidal monopole antenna and array for UWB-MIMO applications

Content Provider	IEEE Xplore Digital Library
Author	Xue-Song Yang Salmi, J. Molisch, A.F. Shi-Gui Qiu Seun Sangodoyin Bing-Zhong Wang
Copyright Year	2012
Description	Author affiliation: Department of Signal Processing and Acoustics, SMARAD CoE, Aalto University, Espoo, Finland (Salmi, J.) \|\| Department of Electrical Engineering, University of Southern California, Los Angeles, CA 90089, USA (Molisch, A.F.; Seun Sangodoyin) \|\| Institute of Applied Physics, University of Electronic Science and Technology of China, Chengdu, 610054, China (Xue-Song Yang; Shi-Gui Qiu; Bing-Zhong Wang)
Abstract	Ultra-wideband (UWB) antenna arrays are important for UWB communications, positioning, and radar. Antenna efficiency as well as omnidirectionality of the antenna pattern are important for these applications. This paper introduces and investigates a new printed array consisting of trapezoidal monopole antennas. The antenna elements have good impedance matching and omni-directional radiation pattern in the frequency range of interest, namely 2.2 GHz −7.5 GHz. Since a uniform linear array (ULA) of these elements shows severe pattern distortions at higher frequencies, we propose an interleaved uniform rectangular array (iURA). The iURA achieves a lower mutual coupling and thus improved omni-directionality of the radiation pattern. Furthermore, by comparing the ambiguity functions of a virtual iURA with that of a virtual ULA, it is found that, even though without considering the mutual coupling, the iURA has a better angular resolution performance than the ULA. We conclude that the iURA is more suitable than the ULA for UWB-MIMO applications.
Starting Page	1
Ending Page	4
File Size	1210023
Page Count	4
File Format	PDF
ISBN	9781467321846
e-ISBN	9781467321853
DOI	10.1109/ICMMT.2012.6229937
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-05-05
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Arrays Antenna measurements Antenna radiation patterns Antenna arrays Ultra wideband antennas Mutual coupling ambiguity function antenna array ultra-wideband (UWB) multiple-input multiple-output (MIMO) interleaved uniform rectangular array
Content Type	Text
Resource Type	Article

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