2020
DOI: 10.3390/s20030624
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Design of Quad-Port MIMO/Diversity Antenna with Triple-Band Elimination Characteristics for Super-Wideband Applications

Abstract: A compact, low-profile, coplanar waveguide (CPW)-fed quad-port multiple-input–multiple-output (MIMO)/diversity antenna with triple band-notched (Wi-MAX, WLAN, and X-band) characteristics is proposed for super-wideband (SWB) applications. The proposed design contains four similar truncated–semi-elliptical–self-complementary (TSESC) radiating patches, which are excited through tapered CPW feed lines. A complementary slot matching the radiating patch is introduced in the ground plane of the truncated semi-ellipti… Show more

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Cited by 29 publications
(22 citation statements)
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“…A MIMO antenna consisted of four spade-shaped radiators and a windmillshaped decoupling element was presented [25], where an elliptical slot was etched on the antenna element to improve its radiation performance. A MIMO antenna consisted of four semi-elliptical resonating elements was reported in [26], where triple notched bands were achieved by etching an L-shaped element and a complementary split-ring resonator (CSRR) on the patch. However, the SWB MIMO antenna configurations reported so far mainly comprised of two antenna elements [21][22][23][24] and one or two notched bands [24].…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…A MIMO antenna consisted of four spade-shaped radiators and a windmillshaped decoupling element was presented [25], where an elliptical slot was etched on the antenna element to improve its radiation performance. A MIMO antenna consisted of four semi-elliptical resonating elements was reported in [26], where triple notched bands were achieved by etching an L-shaped element and a complementary split-ring resonator (CSRR) on the patch. However, the SWB MIMO antenna configurations reported so far mainly comprised of two antenna elements [21][22][23][24] and one or two notched bands [24].…”
Section: Introductionmentioning
confidence: 99%
“…However, the SWB MIMO antenna configurations reported so far mainly comprised of two antenna elements [21][22][23][24] and one or two notched bands [24]. A few SWB antenna designs were presented with four resonating elements [25][26] and triple notchedband features [26], but their large sizes may limit their applications in compact IoT modules. Also, the ground of the antenna elements in [21], [23], [25] are not interconnected, therefore, these antennas might not be used for practical MIMO applications.…”
Section: Introductionmentioning
confidence: 99%
“…Conversely, on demand rejection using active switches such as PIN diodes, RF microelectromechanical system (MEMS) switches, and optical switches have also been proposed in the literature [19][20][21][22][23][24]. However, the demonstrations of reconfiguration mechanism/on-demand band rejection has only been performed on a single or at most of two elements antenna system [22].…”
Section: Introductionmentioning
confidence: 99%
“…The use of disconnected ground planes provides fabrication simplicity and mitigate coupling issues in such a closely packed configuration. On the other hand, the incorporation of decoupling structures may replace separate ground planes requirement but at the cost of increased hardware complexity and fabrication challenges [23,24].…”
Section: Introductionmentioning
confidence: 99%
“…Recently, the attention of the researchers has been shifted to multiple-input-multiple-output (MIMO) antennas as they help in reducing multipath fading and achieving higher range, more reliability, and high data rate, without increasing transmitted power or bandwidth [5]. Several individual elements are combined together, with enough inter-element isolation, to obtain a high-performance MIMO/diversity antenna [6]. Due to space limitations in the wireless devices, there is a requirement for small-sized MIMO antenna configurations, which may result in a larger mutual coupling effect and subsequent degradation in the performance of the system [7].…”
Section: Introductionmentioning
confidence: 99%