Design of a compact UWB-MIMO antenna with high isolation and dual band-notched characteristics

Tang, Zhijun; Zhan, Jie; Wu, Xiaofeng; Xi, Zengzhe; Chen, Long; Hu, Shigang

doi:10.1080/09205071.2020.1724200

Cited by 44 publications

(34 citation statements)

References 33 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…T‐shaped stub attached to the ground of multi‐band MIMO antenna results in high isolation. Dual U‐shaped branches, the addition of parallel rectangular strips, and by using LSRR meta‐material better isolation is achieved 7–11 . Slotted funnel‐type stub, 12 L‐shaped stub in the ground, 13 and protrude of rectangular strips with T‐shaped stubs also achieve better isolation 14,15 .…”

Section: Introductionmentioning

confidence: 99%

Design and analysis of on‐demand reconfigurable WiMAX / WLAN high isolation 2 × 2 MIMO antenna oriented adjacent/orthogonally for imaging applications in UWB‐X band

Sharma

Kumar

Kaur

et al. 2021

Int J RF Microw Comput Aided Eng

View full text Add to dashboard Cite

In this reported work, two dual notched bands from 3.39 GHz to 3.92 GHz and from 4.43 GHz to 5.48 GHz for the WiMAX band (3.3–3.8 GHz) and for (lower) WLAN band (5.15–5.35 GHz) MIMO antenna with adjacent/orthogonal orientations has been investigated. Also, the proposed antenna is capable of controlling these notched bands whenever the need for power saving arises by reconfiguring them using PIN diodes. The issue of isolation between the radiating elements has been overcome by placing the radiating structures in the adjacent and orthogonal arrangement. The proposed antenna is characterized proving an average gain of 4.15/4.37 dBi and maximum radiation efficiency of 91/87% for adjacent/orthogonal orientation. The proposed antenna also shows good agreement with simulated and measured impedance bandwidth, diversity performances in terms of ECC, DG, TARC, and CCL for which values are well below the permissible range.

show abstract

Section: Introductionmentioning

confidence: 99%

Design and analysis of on‐demand reconfigurable WiMAX / WLAN high isolation 2 × 2 MIMO antenna oriented adjacent/orthogonally for imaging applications in UWB‐X band

Sharma

Kumar

Kaur

et al. 2021

Int J RF Microw Comput Aided Eng

View full text Add to dashboard Cite

show abstract

“…Total active reflection coefficient (TARC) is the total active reflection coefficient that considers isolation between antenna units 17,18 . When the phase of the input signals ( θ ) is changing, the TARC is expressed as:

TARC goodbreak= \sqrt{\frac{{((), S_{11} goodbreak+ S_{12} e^{jθ})}^{2} + {((), S_{21} goodbreak+ S_{22} e^{jθ})}^{2}}{2}} .

…”

Section: Resultsmentioning

confidence: 99%

Design of a co‐planar waveguide‐fed flexible ultra‐wideband ‐ multiple‐input multiple‐output antenna with dual band‐notched characteristics for wireless body area network

Yang

Jin

et al. 2021

Int J RF Mic Comp-Aid Eng

View full text Add to dashboard Cite

In this article, a co‐planar waveguide‐fed ultra‐wideband (UWB) multiple‐input multiple‐output flexible antenna with dual band‐notched characteristics on liquid crystal polymer substrate with high isolation for wireless body area network application is designed and fabricated. Two fan‐shaped monopole UWB antenna elements are designed and placed vertically, with tampered feeder, asymmetrical ground plane and two C‐shaped slots on the radiation patch. The measured working bandwidth can reach 2.63–11.6 GHz and the rejection bands are 3.25–4.36 and 5.41–6 GHz. The port isolation (S21) is better than −22 dB. When the bending radius is 35 and 45 mm, the antenna is measured for flexibility. In addition, the antenna is placed on human tissue to test its performance. All the results show that it has good radiation, high isolation and flexibility, and has broad application prospects in the wearable field.

show abstract

“…MEG is one of the significant factors and is defined as the relation given below [18]:where N is the number of patches and μ irad is the efficiency. In this case N = 4:…”

Section: Numerical Results and Discussionmentioning

confidence: 99%

Miniaturized four-port UWB MIMO antennas with triple-band rejection using single EBG structures

Thakur

Jaglan

Gupta

2021

Int. J. Microw. Wireless Technol.

View full text Add to dashboard Cite

This research paper introduces a ultra-wideband (UWB) multiple input multiple output (MIMO)/diversity antenna with three rejected bands using one compact electromagnetic band gap (EBG) structure. The suggested EBG structure rejects three bands at WiMAX, WLAN, and the X-band within the passband of the UWB antenna. To achieve compactness in the conventional EBG structure, two via and square slots are introduced. This structure contributes to better impedance matching by using tapered feedline and slots in the radiating patch. To improve the isolation among all four compact UWB monopoles, decoupling strips are extended from the ground plane. Furthermore, the |S21| is below 17 dB in between the antenna elements and the envelope correlation coefficient is below 0.5, which are tolerable values within the UWB range. Furthermore, different MIMO/diversity characteristics are also discussed. An FR-4 substrate with dimensions of 38 × 45 × 1.6 mm3 is used for the fabrication of the suggested structure.

show abstract

Design of a compact UWB-MIMO antenna with high isolation and dual band-notched characteristics

Cited by 44 publications

References 33 publications

Design and analysis of on‐demand reconfigurable WiMAX / WLAN high isolation 2 × 2 MIMO antenna oriented adjacent/orthogonally for imaging applications in UWB‐X band

Design and analysis of on‐demand reconfigurable WiMAX / WLAN high isolation 2 × 2 MIMO antenna oriented adjacent/orthogonally for imaging applications in UWB‐X band

Design of a co‐planar waveguide‐fed flexible ultra‐wideband ‐ multiple‐input multiple‐output antenna with dual band‐notched characteristics for wireless body area network

Miniaturized four-port UWB MIMO antennas with triple-band rejection using single EBG structures

Contact Info

Product

Resources

About