NDLI: A novel compact MIMO array based on planar Yagi antennas for multipath fading channels

Content Provider	IEEE Xplore Digital Library
Author	Capobianco, A.D. Pigozzo, F.M. Boscolo, S. Midrio, M. Sacchetto, F. Assalini, A. Brunetta, L. Zambon, N. Pupolin, S.
Copyright Year	2010
Description	Author affiliation: Dipartimento di Ingegneria Elettrica, Gestionale e Meccanica, Università degli Studi di Udine, Via delle Scienze 208, 33100 (Italy) (Boscolo, S.; Midrio, M.; Sacchetto, F.) \|\| Dipartimento di Ingegneria dell'Informazione, Università degli Studi di Padova, Via Gradenigo 6/b, 35131 (Italy) (Capobianco, A.D.; Pigozzo, F.M.; Assalini, A.; Brunetta, L.; Zambon, N.; Pupolin, S.)
Abstract	A novel approach to the design of MIMO arrays exploiting directive antennas is presented. It is well known that pattern orthogonality is a key issue to reach low inter-element correlation, and thus to improve channel capacity. However, in the literature the attention is often focused on reducing mutual coupling instead of optimizing the active element patterns. In this paper a MIMO array of printed Yagi antennas with integrated balun is presented. The end-fire radiation mechanism of the Yagi is exploited to obtain a triangular array of three sectoral antennas. This allows to achieve nearly orthogonal patterns and low mutual coupling between neighbour elements. A properly shaped ground at the antenna feeding points allows to reach small inter-element spacings (well below 0.5 λ) which are typically critical for conventional uniform linear MIMO arrays of omnidirectional radiators. The effectiveness of a planar array made of sectoral-coverage elements to improve MIMO capacity is demonstrated through numerical simulations with IEEE 802.11n channel models.
Starting Page	93
Ending Page	96
File Size	211883
Page Count	4
File Format	PDF
ISBN	9781424472338
ISSN	21533652
e-ISBN	9782874870187
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-27
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	EUROPEAN MICROWAVE ASSOC
Subject Keyword	Antenna measurements Correlation Directive antennas MIMO Arrays Antenna arrays
Content Type	Text
Resource Type	Article

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