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Radiation Performance Analysis of 28 GHz Antennas Integrated in 5G Mobile Terminal Housing
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering. Ericsson AB, Ericsson Res, SE-16480 Stockholm, Sweden..ORCID iD: 0000-0003-4381-6889
Sony Mobile Commun AB, Network Technol Lab Res & Technol, SE-22188 Lund, Sweden..
Microwave Vis Italy, I-00040 Pomezia, Italy..
Microwave Vis Italy, I-00040 Pomezia, Italy..
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2018 (English)In: IEEE Access, E-ISSN 2169-3536, Vol. 6, p. 48088-48101Article in journal (Refereed) Published
Abstract [en]

Radiation from printed millimeter-wave antennas integrated in mobile terminals is affected by surface currents on chassis, guided waves trapped in dielectric layers, superstrates, and the user's hand, making mobile antenna design for 5G communication challenging. In this paper, four canonical types of printed 28-GHz antenna elements are integrated in a 5G mobile terminal mock-up. Different kinds of terminal housing effects are examined separately, and the terminal housing effects are also diagnosed through equivalent currents by using the inverse source technique. To account for the terminal housing effects on a beam-scanning antenna subarray, we propose the effective beam-scanning efficiency to evaluate its coverage performance. This paper presents the detailed analysis, results, and new concepts regarding the terminal housing effects, and thereby provides valuable insight into the practical 5G mobile antenna design and radiation performance characterization.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018. Vol. 6, p. 48088-48101
Keywords [en]
5G, effective beam-scanning efficiency, equivalent current, surface current, millimeter-wave antenna, mobile terminal, guided wave, user equipment, user's hand
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-235906DOI: 10.1109/ACCESS.2018.2867719ISI: 000445453300001Scopus ID: 2-s2.0-85052651597OAI: oai:DiVA.org:kth-235906DiVA, id: diva2:1254422
Funder
Swedish Research Council
Note

QC 20181009

Available from: 2018-10-09 Created: 2018-10-09 Last updated: 2018-10-09Bibliographically approved

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Xu, BoHe, Sailing

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