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学者姓名：张哲晨
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Abstract ：
This paper presents a visualized approach to efficiently designing an antenna decoupling network constructed by cascaded coupled transmission lines (CTLs). The cascaded CTL architecture is explored to decouple tightly-packed antenna pairs with extremely small feed point spacing, circumventing the narrow bandwidth and loss issues associated with resonant decoupling structures. To facilitate the fast CTL design, we propose to analytically map the CTLs’ odd-mode (OM) and even-mode (EM) characteristic impedances onto the Smith charts of the antenna’s OM and EM input impedances. By leveraging this approach, the required CTL’s OM and EM parameters for antenna decoupling can be directly determined without relying on intricate optimization or try-and-error processes. To demonstrate the effectiveness of our methodology, a printed monopole antenna pair with an element center-to-center spacing of merely 0.1λ0 (at 3.5 GHz) is prototyped, which presents a 15-dB isolation bandwidth of 18% and a total efficiency exceeding 85% over this bandwidth. The proposed decoupling approach substantially simplifies the design of compact high-isolation antenna pairs which would have important applications in MIMO communication systems. IEEE
Keyword ：
Antenna decoupling Antenna decoupling Antennas Antennas Coplanar waveguides Coplanar waveguides coupled transmission line coupled transmission line Couplings Couplings Impedance Impedance MIMO communication MIMO communication multiple-input multiple-output (MIMO) technology multiple-input multiple-output (MIMO) technology odd and even modes odd and even modes Substrates Substrates Visualization Visualization visualized design visualized design
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| GB/T 7714 | Zhou, Z. , Cheng, Z. , Zhang, Z. et al. Visualized Design of Antenna Decoupling Networks Constructed by Cascaded Coupled Lines [J]. | IEEE Transactions on Antennas and Propagation , 2024 , 72 (6) : 1-1 . |
| MLA | Zhou, Z. et al. "Visualized Design of Antenna Decoupling Networks Constructed by Cascaded Coupled Lines" . | IEEE Transactions on Antennas and Propagation 72 . 6 (2024) : 1-1 . |
| APA | Zhou, Z. , Cheng, Z. , Zhang, Z. , Ge, Y. , Chen, Z.D. . Visualized Design of Antenna Decoupling Networks Constructed by Cascaded Coupled Lines . | IEEE Transactions on Antennas and Propagation , 2024 , 72 (6) , 1-1 . |
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