Design of Dual-Port Pattern-Reconfigurable MIMO Antenna With Four Operating States Using the TCM

被引：5
|
作者：
Cheng, Guangshang [1 ,2 ]
Tian, Minmin [1 ,2 ]
Zhang, Long [3 ]
Huang, Zhixiang [1 ,2 ]
机构：
[1] Anhui Univ, Informat Mat & Intelligent Sensing Lab Anhui Prov, Hefei 237010, Peoples R China
[2] Anhui Prov Key Lab Target Recognit & Feature Extra, Luan 237010, Peoples R China
[3] Shenzhen Univ, Coll Elect & Informat Engn, Shenzhen 518060, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2023年 / 22卷 / 01期
基金：
中国国家自然科学基金;
关键词：
MIMO communication; Antennas; Antenna radiation patterns; Switches; Current distribution; Delay lines; Resistors; Multiple-input-multiple-output (MIMO) systems; pattern-reconfigurable; theory of characteristic mode (TCM); CHARACTERISTIC MODE ANALYSIS; POLARIZATION; SYSTEM; ARRAY; PERFORMANCE;
D O I：
10.1109/LAWP.2022.3206324
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Based on the theory of characteristic modes (TCM), this letter presents a novel pattern-reconfigurable dual-port multiple-input-multiple-output (MIMO) antenna with four operating states at the 2.4 GHz ISM band. The proposed antenna consists of the rectangular platform (RP), excitation units, and reconfigurable feeding network. Four elaborated characteristic modes (CMs) of the RP can be stimulated effectively by six groups of balanced inductive exciters. By using a reconfigurable feeding network controlled by four switches, two orthogonal CMs associated with the two ports are switched, and four possible operating states for the reconfigurable MIMO antenna are generated. In order to demonstrate the proposed TCM-based conceptual design, a prototype is fabricated and the measured results agree well with the simulated ones. Furthermore, the port isolations of the proposed MIMO antenna are higher than 36 dB.
引用
收藏
页码：169 / 173
页数：5
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