A Cross-Band Coupling Suppressed Tri-Band Base Station Array with Simultaneously Wideband Decoupling and Radiation Characteristics

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dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorFeng, Lin
dc.contributor.authorWang, Yibo
dc.contributor.authorSihvola, Ari
dc.contributor.authorQiu, Jinghui
dc.contributor.authorQi, Jiaran
dc.contributor.departmentDepartment of Electronics and Nanoengineeringen
dc.contributor.groupauthorAri Sihvola Groupen
dc.contributor.organizationHarbin Institute of Technology
dc.date.accessioned2025-12-03T07:22:02Z
dc.date.available2025-12-03T07:22:02Z
dc.date.issued2025
dc.descriptionPublisher Copyright: © 2002-2011 IEEE.
dc.description.abstractThe simultaneous realization of wideband radiation and wideband cross-band decoupling in current 5G tri-band basestation array remains a critical technical impediment. To address this challenge, a cross-band coupling suppressed tri-band base station antenna array based on radiative deep-subwavelength frequency selective surface (RFSS) with wideband decoupling and wideband radiation characteristics is proposed. The designed array consists of a low-band (LB) antenna operating in the range of 0.69–0.96 GHz (32.7%), a 2×2 middle-band (MB) antenna subarray operating in the range of 1.4–2.7 GHz (63.4%), and a 4×4 high-band (HB) antenna array operating in the range of 3.3–3.8 GHz (14.1%). In this configuration, the LB and MB antennas improve the radiation pattern distortions in 1.4-3.8 GHz (92.3%, which covers the bandwidth of MB and HB) and 3.3–3.8 GHz, respectively. A prototype for proof of the tri-band array is fabricated and measured. Experimental results confirm that the tri-band array exhibits the capability to achieve cross-band decoupling within wideband operational bandwidths.en
dc.description.versionPeer revieweden
dc.format.mimetypeapplication/pdf
dc.identifier.citationFeng, L, Wang, Y, Sihvola, A, Qiu, J & Qi, J 2025, 'A Cross-Band Coupling Suppressed Tri-Band Base Station Array with Simultaneously Wideband Decoupling and Radiation Characteristics', IEEE Antennas and Wireless Propagation Letters. https://doi.org/10.1109/LAWP.2025.3632270en
dc.identifier.doi10.1109/LAWP.2025.3632270
dc.identifier.issn1536-1225
dc.identifier.issn1548-5757
dc.identifier.otherPURE UUID: b7bf126c-d98d-4687-8ce2-865b99f8bce1
dc.identifier.otherPURE ITEMURL: https://research.aalto.fi/en/publications/b7bf126c-d98d-4687-8ce2-865b99f8bce1
dc.identifier.otherPURE FILEURL: https://research.aalto.fi/files/202334926/A_Cross-Band_Coupling_Suppressed_Tri-Band_Base.pdf
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/140842
dc.identifier.urnURN:NBN:fi:aalto-202512038984
dc.language.isoenen
dc.publisherIEEE
dc.relation.ispartofseriesIEEE Antennas and Wireless Propagation Lettersen
dc.rightsopenAccessen
dc.subject.keywordbase station antenna
dc.subject.keywordcross-band decoupling
dc.subject.keywordradiative deep-subwavelength frequency selective surface (RFSS)
dc.subject.keywordTri-band antenna
dc.subject.keywordwideband radiation
dc.subject.keywordwideband transmission
dc.titleA Cross-Band Coupling Suppressed Tri-Band Base Station Array with Simultaneously Wideband Decoupling and Radiation Characteristicsen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.versionacceptedVersion

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