An Approach to Achieving Multiple Mutual Coupling Nulls in MIMO Stacked Patch Antenna for Decoupling Bandwidth Enhancement
To suppress mutual coupling among multiple-input multiple-output (MIMO) stacked patch antennas, a decoupling method achieving three mutual coupling nulls is proposed by utilizing one pair of symmetrical half-wavelength strips and a dual-hole single-pad structure. The first two mutual coupling nulls...
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| Veröffentlicht in: | IEEE transactions on circuits and systems. II, Express briefs Express briefs, 2022-12, Vol.69 (12), p.4809-4813 |
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| container_end_page | 4813 |
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| container_issue | 12 |
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| container_title | IEEE transactions on circuits and systems. II, Express briefs |
| container_volume | 69 |
| creator | Shi, Jin Geng, Xin Yan, Shaocheng Xu, Kai Chen, Yanyun |
| description | To suppress mutual coupling among multiple-input multiple-output (MIMO) stacked patch antennas, a decoupling method achieving three mutual coupling nulls is proposed by utilizing one pair of symmetrical half-wavelength strips and a dual-hole single-pad structure. The first two mutual coupling nulls are caused by path cancellation after utilizing the two half-wavelength strips. The third one is triggered by phase cancellation of the driven and parasitic patches, and can be controlled by the dual-hole single-pad structure. Compared with the reported decoupling designs on stacked patch antennas, the proposed one can achieve wider decoupling bandwidth, higher isolation improvement, and no profile enhancement. The mutual coupling level of the two-element stacked patch antenna integrated with the proposed decoupling method can be decreased from −21.5 dB to −36.5 dB over the effective frequency range from 3.28 GHz to 3.6 GHz or 9.3%. Afterward, the proposed method is also proved to be effective in four-element stacked patch antenna. |
| doi_str_mv | 10.1109/TCSII.2022.3196020 |
| format | Article |
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II, Express briefs</title><addtitle>TCSII</addtitle><description>To suppress mutual coupling among multiple-input multiple-output (MIMO) stacked patch antennas, a decoupling method achieving three mutual coupling nulls is proposed by utilizing one pair of symmetrical half-wavelength strips and a dual-hole single-pad structure. The first two mutual coupling nulls are caused by path cancellation after utilizing the two half-wavelength strips. The third one is triggered by phase cancellation of the driven and parasitic patches, and can be controlled by the dual-hole single-pad structure. Compared with the reported decoupling designs on stacked patch antennas, the proposed one can achieve wider decoupling bandwidth, higher isolation improvement, and no profile enhancement. The mutual coupling level of the two-element stacked patch antenna integrated with the proposed decoupling method can be decreased from −21.5 dB to −36.5 dB over the effective frequency range from 3.28 GHz to 3.6 GHz or 9.3%. 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II, Express briefs</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Shi, Jin</au><au>Geng, Xin</au><au>Yan, Shaocheng</au><au>Xu, Kai</au><au>Chen, Yanyun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An Approach to Achieving Multiple Mutual Coupling Nulls in MIMO Stacked Patch Antenna for Decoupling Bandwidth Enhancement</atitle><jtitle>IEEE transactions on circuits and systems. II, Express briefs</jtitle><stitle>TCSII</stitle><date>2022-12-01</date><risdate>2022</risdate><volume>69</volume><issue>12</issue><spage>4809</spage><epage>4813</epage><pages>4809-4813</pages><issn>1549-7747</issn><eissn>1558-3791</eissn><coden>ITCSFK</coden><abstract>To suppress mutual coupling among multiple-input multiple-output (MIMO) stacked patch antennas, a decoupling method achieving three mutual coupling nulls is proposed by utilizing one pair of symmetrical half-wavelength strips and a dual-hole single-pad structure. The first two mutual coupling nulls are caused by path cancellation after utilizing the two half-wavelength strips. The third one is triggered by phase cancellation of the driven and parasitic patches, and can be controlled by the dual-hole single-pad structure. Compared with the reported decoupling designs on stacked patch antennas, the proposed one can achieve wider decoupling bandwidth, higher isolation improvement, and no profile enhancement. The mutual coupling level of the two-element stacked patch antenna integrated with the proposed decoupling method can be decreased from −21.5 dB to −36.5 dB over the effective frequency range from 3.28 GHz to 3.6 GHz or 9.3%. Afterward, the proposed method is also proved to be effective in four-element stacked patch antenna.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TCSII.2022.3196020</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-5682-9112</orcidid><orcidid>https://orcid.org/0000-0001-9288-2271</orcidid><orcidid>https://orcid.org/0000-0001-5296-3165</orcidid></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Antennas Bandwidth Bandwidths Couplings Decoupling Decoupling method Frequency ranges low profile microstrip antenna~array MIMO communication multiple mutual coupling nulls Mutual coupling Parasitic elements (antennas) Patch antennas Periodic structures stacked patch antenna Substrates wideband |
| title | An Approach to Achieving Multiple Mutual Coupling Nulls in MIMO Stacked Patch Antenna for Decoupling Bandwidth Enhancement |
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