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Mutual Coupling Suppression Between Two Closely Spaced Microstrip Antennas With an Asymmetrical Coplanar Strip Wall
Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China..
Nanjing Univ Posts & Telecommun, Nanjing 210093, Jiangsu, Peoples R China..
Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China..
Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China..
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2016 (English)In: IEEE Antennas and Wireless Propagation Letters, ISSN 1536-1225, E-ISSN 1548-5757, Vol. 15, 191-194 p.Article in journal (Refereed) Published
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Text
Abstract [en]

This letter describes an asymmetrical coplanar strip (ACPS) wall to suppress the mutual coupling between two closely spaced 5.8-GHz microstrip antennas. The ACPS wall, which is inserted vertically between the two antennas, introduces an additional coupling path to reduce the antenna coupling, occupying just a small area between the two antennas. The decoupling effect of the proposed structure is verified by the simulation and measurement. The experimental results show that the achieved isolation is better than 35 dB and reaches a maximum of 54.3 dB at 5.8 GHz, with an extremely close antenna distance of 0.03 lambda(0) (edge-to-edge distance). The measured patterns indicate that the proposed structure also improves the radiation of the microstrip antenna.

Place, publisher, year, edition, pages
IEEE Computer Society, 2016. Vol. 15, 191-194 p.
Keyword [en]
Asymmetrical coplanar strip, isolation, microstrip antenna, mutual coupling suppression
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-11780DOI: 10.1109/LAWP.2015.2437995ISI: 000370967900009OAI: oai:DiVA.org:bth-11780DiVA: diva2:916295
Available from: 2016-04-01 Created: 2016-04-01 Last updated: 2016-04-07Bibliographically approved

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Kulesza, Wlodek
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