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A Closely Spaced Multi-element Self-Isolated MIMO Antenna Array

Dao-Duc, T. and Hiep, N.S. and Viet, D.-N.T. and Tran, H.-H. (2024) A Closely Spaced Multi-element Self-Isolated MIMO Antenna Array. Lecture Notes in Networks and Systems, 848. pp. 3-8. ISSN 23673370

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Abstract

A novel decoupling technique for multiple-input multiple-output (MIMO) antenna array is presented in this paper. Unlike the conventional method of using additional circuits for mutual coupling suppression, a self-decoupling method is employed. The proposed method makes use of the fundamental TM01 mode on the excited element and the orthogonal TM20 mode on the non-excited element. This can be achieved by extending the radiating edge of the patch using a meander-line structure. The feasibility of this decoupling method has been demonstrated in an H-plane coupled 1 × 3 array with an edge-to-edge element spacing of 0.016 λ at the center operating frequency. Good operation characteristics in terms of impedance matching, isolation, as well as MIMO diversity performance are obtained. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2024.

Item Type: Article
Divisions: Offices > Office of International Cooperation
Identification Number: 10.1007/978-3-031-50818-9₁
Uncontrolled Keywords: Directional patterns (antenna); Microstrip antennas; MIMO systems; Slot antennas, Decoupling methods; Decouplings; Micro-strip patch antennas; Microstrip-patch antenna; Multielements; Multiple input multiple output antennas; Multiple inputs; Multiple outputs; Multiple-input multiple-output; Self-decoupling, Antenna arrays
Additional Information: cited By 0; Conference of 2nd International Conference on Advances in Information and Communication Technology, ICTA 2023 ; Conference Date: 13 December 2023 Through 14 December 2023; Conference Code:305189
URI: http://eprints.lqdtu.edu.vn/id/eprint/11072

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