Low-profile miniaturized circularly polarized MIMO DRA with diagonal technique for 5G Sub-6 GHz and improved mutual coupling suppression Article Swipe
Javed Iqbal
,
Lway Faisal Abdulrazak
,
Kayhan Çelik
,
Muhammad Ali
,
Ghaffer I. Kiani
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1017/s1759078725000339
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1017/s1759078725000339
This research explores a circularly polarized (CP) multiple-input-multiple-output (MIMO) dielectric resonator antenna (DRA) designed specifically for 5G Sub-6 GHz and WiMAX applications. The antenna system utilizes a unique H-shaped feeding strip to excite each DRA element. This specialized feeding mechanism facilitates the activation of higher-order degenerate modes, including TE $_{\delta13}^x$ and TE $_{1 \delta 3}^{y}$ , which are essential for achieving circular polarization. The antenna exhibits a reflection coefficient of −37.52 dB at 3.49 GHz, covering the entire CP passband and operating over a broad bandwidth of 1.35 GHz (3.40–4.75 GHz) yielding a return loss of 35.52%, making it suitable for Sub-6 GHz applications. An axial ratio bandwidth of 24.6% (3.4–4.2 GHz) is observed, with inter-port isolation of greater than −25.3 dB throughout the usable frequency band with a maximum efficiency of approximately 98%, indicating near-lossless power radiation. Additionally, the estimated gain is 5.95 dBic. The proposed MIMO design presented effectively reduces the intersecting spatial field components between antenna elements, leading to a lower envelope correlation coefficient and enhanced inter-port isolation. This diversity gain of the proposed antenna is a strong candidate for use in rich multi-path environments, helping to mitigate the effects of channel fading.. Initially, the proposed antenna design was examined using the time-domain solver of CST, followed by the fabrication of a prototype for experimental validation. The antenna exhibits a stable response, making it well-suited for 5G Sub-6 GHz and WiMAX applications.There is a satisfactory alignment between the results obtained from simulations and those observed experimentally.
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- Language
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- https://www.cambridge.org/core/services/aop-cambridge-core/content/view/CFC57C3FC9EED055000C881AEFEA1294/S1759078725000339a.pdf/div-class-title-low-profile-miniaturized-circularly-polarized-mimo-dra-with-diagonal-technique-for-5g-sub-6-ghz-and-improved-mutual-coupling-suppression-div.pdf
- OA Status
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- References
- 29
- Related Works
- 10
- OpenAlex ID
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- OpenAlex ID
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https://openalex.org/W4409339030Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1017/s1759078725000339Digital Object Identifier
- Title
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Low-profile miniaturized circularly polarized MIMO DRA with diagonal technique for 5G Sub-6 GHz and improved mutual coupling suppressionWork title
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articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
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2025Year of publication
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2025-04-10Full publication date if available
- Authors
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Javed Iqbal, Lway Faisal Abdulrazak, Kayhan Çelik, Muhammad Ali, Ghaffer I. KianiList of authors in order
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https://doi.org/10.1017/s1759078725000339Publisher landing page
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https://www.cambridge.org/core/services/aop-cambridge-core/content/view/CFC57C3FC9EED055000C881AEFEA1294/S1759078725000339a.pdf/div-class-title-low-profile-miniaturized-circularly-polarized-mimo-dra-with-diagonal-technique-for-5g-sub-6-ghz-and-improved-mutual-coupling-suppression-div.pdfDirect link to full text PDF
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hybridOpen access status per OpenAlex
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https://www.cambridge.org/core/services/aop-cambridge-core/content/view/CFC57C3FC9EED055000C881AEFEA1294/S1759078725000339a.pdf/div-class-title-low-profile-miniaturized-circularly-polarized-mimo-dra-with-diagonal-technique-for-5g-sub-6-ghz-and-improved-mutual-coupling-suppression-div.pdfDirect OA link when available
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10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.with | 115, 128 |
| abstract_inverted_index.(DRA) | 13 |
| abstract_inverted_index.24.6% | 110 |
| abstract_inverted_index.Sub-6 | 18, 102, 231 |
| abstract_inverted_index.WiMAX | 21, 234 |
| abstract_inverted_index.axial | 106 |
| abstract_inverted_index.broad | 85 |
| abstract_inverted_index.dBic. | 145 |
| abstract_inverted_index.field | 156 |
| abstract_inverted_index.lower | 164 |
| abstract_inverted_index.power | 137 |
| abstract_inverted_index.ratio | 107 |
| abstract_inverted_index.strip | 31 |
| abstract_inverted_index.those | 247 |
| abstract_inverted_index.using | 204 |
| abstract_inverted_index.which | 57 |
| abstract_inverted_index.(MIMO) | 9 |
| abstract_inverted_index.\delta | 54 |
| abstract_inverted_index.design | 149, 201 |
| abstract_inverted_index.entire | 78 |
| abstract_inverted_index.excite | 33 |
| abstract_inverted_index.making | 98, 226 |
| abstract_inverted_index.modes, | 47 |
| abstract_inverted_index.return | 94 |
| abstract_inverted_index.solver | 207 |
| abstract_inverted_index.stable | 224 |
| abstract_inverted_index.strong | 181 |
| abstract_inverted_index.system | 25 |
| abstract_inverted_index.unique | 28 |
| abstract_inverted_index.usable | 125 |
| abstract_inverted_index.35.52%, | 97 |
| abstract_inverted_index.3}^{y}$ | 55 |
| abstract_inverted_index.antenna | 12, 24, 65, 159, 178, 200, 221 |
| abstract_inverted_index.between | 158, 240 |
| abstract_inverted_index.channel | 195 |
| abstract_inverted_index.effects | 193 |
| abstract_inverted_index.feeding | 30, 39 |
| abstract_inverted_index.greater | 119 |
| abstract_inverted_index.helping | 189 |
| abstract_inverted_index.leading | 161 |
| abstract_inverted_index.maximum | 130 |
| abstract_inverted_index.reduces | 152 |
| abstract_inverted_index.results | 242 |
| abstract_inverted_index.spatial | 155 |
| abstract_inverted_index.−25.3 | 121 |
| abstract_inverted_index.Abstract | 0 |
| abstract_inverted_index.H-shaped | 29 |
| abstract_inverted_index.circular | 62 |
| abstract_inverted_index.covering | 76 |
| abstract_inverted_index.designed | 14 |
| abstract_inverted_index.element. | 36 |
| abstract_inverted_index.enhanced | 169 |
| abstract_inverted_index.envelope | 165 |
| abstract_inverted_index.examined | 203 |
| abstract_inverted_index.exhibits | 66, 222 |
| abstract_inverted_index.explores | 3 |
| abstract_inverted_index.fading.. | 196 |
| abstract_inverted_index.followed | 210 |
| abstract_inverted_index.mitigate | 191 |
| abstract_inverted_index.observed | 248 |
| abstract_inverted_index.obtained | 243 |
| abstract_inverted_index.passband | 80 |
| abstract_inverted_index.proposed | 147, 177, 199 |
| abstract_inverted_index.research | 2 |
| abstract_inverted_index.suitable | 100 |
| abstract_inverted_index.utilizes | 26 |
| abstract_inverted_index.yielding | 92 |
| abstract_inverted_index.−37.52 | 71 |
| abstract_inverted_index.achieving | 61 |
| abstract_inverted_index.alignment | 239 |
| abstract_inverted_index.bandwidth | 86, 108 |
| abstract_inverted_index.candidate | 182 |
| abstract_inverted_index.diversity | 173 |
| abstract_inverted_index.elements, | 160 |
| abstract_inverted_index.essential | 59 |
| abstract_inverted_index.estimated | 141 |
| abstract_inverted_index.frequency | 126 |
| abstract_inverted_index.including | 48 |
| abstract_inverted_index.isolation | 117 |
| abstract_inverted_index.mechanism | 40 |
| abstract_inverted_index.observed, | 114 |
| abstract_inverted_index.operating | 82 |
| abstract_inverted_index.polarized | 6 |
| abstract_inverted_index.presented | 150 |
| abstract_inverted_index.prototype | 216 |
| abstract_inverted_index.resonator | 11 |
| abstract_inverted_index.response, | 225 |
| abstract_inverted_index.(3.4–4.2 | 111 |
| abstract_inverted_index.Initially, | 197 |
| abstract_inverted_index.activation | 43 |
| abstract_inverted_index.circularly | 5 |
| abstract_inverted_index.components | 157 |
| abstract_inverted_index.degenerate | 46 |
| abstract_inverted_index.dielectric | 10 |
| abstract_inverted_index.efficiency | 131 |
| abstract_inverted_index.indicating | 135 |
| abstract_inverted_index.inter-port | 116, 170 |
| abstract_inverted_index.isolation. | 171 |
| abstract_inverted_index.multi-path | 187 |
| abstract_inverted_index.radiation. | 138 |
| abstract_inverted_index.reflection | 68 |
| abstract_inverted_index.throughout | 123 |
| abstract_inverted_index.coefficient | 69, 167 |
| abstract_inverted_index.correlation | 166 |
| abstract_inverted_index.effectively | 151 |
| abstract_inverted_index.fabrication | 213 |
| abstract_inverted_index.facilitates | 41 |
| abstract_inverted_index.simulations | 245 |
| abstract_inverted_index.specialized | 38 |
| abstract_inverted_index.time-domain | 206 |
| abstract_inverted_index.validation. | 219 |
| abstract_inverted_index.well-suited | 228 |
| abstract_inverted_index.(3.40–4.75 | 90 |
| abstract_inverted_index.experimental | 218 |
| abstract_inverted_index.higher-order | 45 |
| abstract_inverted_index.intersecting | 154 |
| abstract_inverted_index.satisfactory | 238 |
| abstract_inverted_index.specifically | 15 |
| abstract_inverted_index.Additionally, | 139 |
| abstract_inverted_index.applications. | 22, 104 |
| abstract_inverted_index.approximately | 133 |
| abstract_inverted_index.environments, | 188 |
| abstract_inverted_index.near-lossless | 136 |
| abstract_inverted_index.polarization. | 63 |
| abstract_inverted_index.$_{\delta13}^x$ | 50 |
| abstract_inverted_index.experimentally. | 249 |
| abstract_inverted_index.applications.There | 235 |
| abstract_inverted_index.multiple-input-multiple-output | 8 |
| cited_by_percentile_year | |
| countries_distinct_count | 0 |
| institutions_distinct_count | 5 |
| citation_normalized_percentile.value | 0.0682562 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | True |