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Mutual scattering mode for LTE MIMO antennas and its application to correlation reduction (invited)
KTH, Skolan för elektro- och systemteknik (EES), Elektroteknisk teori och konstruktion.
KTH, Skolan för elektro- och systemteknik (EES), Elektroteknisk teori och konstruktion.ORCID-id: 0000-0002-3401-1125
2012 (engelsk)Inngår i: Antennas and Propagation (APCAP), 2012 IEEE Asia-Pacific Conference on, IEEE , 2012, s. 13-14Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

A - mutual scattering mode -is introduced in this paper as a novel method to reduce the correlation for the LTE MIMO antenna arrays. This mode is mainly based on the increase of the Q factor for the closely-positioned MIMO antenna elements. With the increased Q factor, each element becomes a scatter for the other elements. Consequently, without adding any structure in the MIMO system, the radiation patterns will be separated to achieve a low correlation (even close to zero) in LTE 700 MHz bands. In practice, this high Q factor is realized through better impedance matching, which makes this mode quite easy to excite. When the effective MIMO element distance is larger than a certain value, better matching (higher Q factor) can not only reduce the correlation but also improve the efficiency (even though the mutual coupling becomes stronger).

sted, utgiver, år, opplag, sider
IEEE , 2012. s. 13-14
Emneord [en]
Antenna Array, Correlation Reduction, Efficiency, MIMO Systems, Scattering
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-108000DOI: 10.1109/APCAP.2012.6333124ISI: 000313020200007Scopus ID: 2-s2.0-84869380059ISBN: 978-146730667-6 (tryckt)OAI: oai:DiVA.org:kth-108000DiVA, id: diva2:580344
Konferanse
2012 IEEE Asia-Pacific Conference on Antennas and Propagation, APCAP 2012, 27 August 2012 through 29 August 2012, Singapore
Merknad

QC 20121221

Tilgjengelig fra: 2012-12-21 Laget: 2012-12-19 Sist oppdatert: 2013-11-19bibliografisk kontrollert

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