Design of a Four-Port Flexible UWB-MIMO Antenna with High Isolation for Wearable and IoT Applications
A 2 × 2 ultra-wideband MIMO flexible antenna with a low profile and good isolation was designed for Internet of Things (IoT) realms and wearable devices. The antenna elements were placed on a novel flexible substrate of liquid crystal polymer (LCP) with compact dimensions fed by a coplanar waveguide...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2022-12-01
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| Series: | Micromachines |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2072-666X/13/12/2141 |
| _version_ | 1827637646368702464 |
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| author | Jie Zhang Chengzhu Du Ruohui Wang |
| author_facet | Jie Zhang Chengzhu Du Ruohui Wang |
| author_sort | Jie Zhang |
| collection | DOAJ |
| description | A 2 × 2 ultra-wideband MIMO flexible antenna with a low profile and good isolation was designed for Internet of Things (IoT) realms and wearable devices. The antenna elements were placed on a novel flexible substrate of liquid crystal polymer (LCP) with compact dimensions fed by a coplanar waveguide (CPW). In order to ameliorate isolation, the cross-shaped decoupling branches were placed among the antenna elements. The proposed UWB antenna can operate from 2.9 GHz to 10.86 GHz with a good reflection coefficient of S<sub>11</sub> < −10 dB as well as a high isolation better than 22 dB. Its operating bands include 5G, WiFi, X-band, etc. Moreover, the parameters of diversity performance were also tested. These parameters included an average gain of approximately 4 dB, a low ECC of less than 0.01, and good diversity gain of 9.999. The flexible MIMO antenna performs well in bending and on-body conditions. To sum up, the antenna has good prospects in IoT applications and wearable fields. |
| first_indexed | 2024-03-09T16:04:46Z |
| format | Article |
| id | doaj.art-02bb37d3bf734a09b641362af2d78714 |
| institution | Directory Open Access Journal |
| issn | 2072-666X |
| language | English |
| last_indexed | 2024-03-09T16:04:46Z |
| publishDate | 2022-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Micromachines |
| spelling | doaj.art-02bb37d3bf734a09b641362af2d787142023-11-24T16:44:52ZengMDPI AGMicromachines2072-666X2022-12-011312214110.3390/mi13122141Design of a Four-Port Flexible UWB-MIMO Antenna with High Isolation for Wearable and IoT ApplicationsJie Zhang0Chengzhu Du1Ruohui Wang2College of Electronics and Information Engineering, Shanghai University of Electric Power, Shanghai 200090, ChinaCollege of Electronics and Information Engineering, Shanghai University of Electric Power, Shanghai 200090, ChinaCollege of Electronics and Information Engineering, Shanghai University of Electric Power, Shanghai 200090, ChinaA 2 × 2 ultra-wideband MIMO flexible antenna with a low profile and good isolation was designed for Internet of Things (IoT) realms and wearable devices. The antenna elements were placed on a novel flexible substrate of liquid crystal polymer (LCP) with compact dimensions fed by a coplanar waveguide (CPW). In order to ameliorate isolation, the cross-shaped decoupling branches were placed among the antenna elements. The proposed UWB antenna can operate from 2.9 GHz to 10.86 GHz with a good reflection coefficient of S<sub>11</sub> < −10 dB as well as a high isolation better than 22 dB. Its operating bands include 5G, WiFi, X-band, etc. Moreover, the parameters of diversity performance were also tested. These parameters included an average gain of approximately 4 dB, a low ECC of less than 0.01, and good diversity gain of 9.999. The flexible MIMO antenna performs well in bending and on-body conditions. To sum up, the antenna has good prospects in IoT applications and wearable fields.https://www.mdpi.com/2072-666X/13/12/2141CPWMIMOIoTflexible antennawearableliquid crystal polymer (LCP) |
| spellingShingle | Jie Zhang Chengzhu Du Ruohui Wang Design of a Four-Port Flexible UWB-MIMO Antenna with High Isolation for Wearable and IoT Applications Micromachines CPW MIMO IoT flexible antenna wearable liquid crystal polymer (LCP) |
| title | Design of a Four-Port Flexible UWB-MIMO Antenna with High Isolation for Wearable and IoT Applications |
| title_full | Design of a Four-Port Flexible UWB-MIMO Antenna with High Isolation for Wearable and IoT Applications |
| title_fullStr | Design of a Four-Port Flexible UWB-MIMO Antenna with High Isolation for Wearable and IoT Applications |
| title_full_unstemmed | Design of a Four-Port Flexible UWB-MIMO Antenna with High Isolation for Wearable and IoT Applications |
| title_short | Design of a Four-Port Flexible UWB-MIMO Antenna with High Isolation for Wearable and IoT Applications |
| title_sort | design of a four port flexible uwb mimo antenna with high isolation for wearable and iot applications |
| topic | CPW MIMO IoT flexible antenna wearable liquid crystal polymer (LCP) |
| url | https://www.mdpi.com/2072-666X/13/12/2141 |
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