A Compact Multimode Antenna Design Based on Metasurface for Wideband Applications

被引:1
作者
Zhang, Kai [1 ]
Soh, Ping Jack [2 ]
Wu, Ting [1 ]
Wang, Mingjun [1 ]
Yan, Sen [3 ]
机构
[1] Xian Univ Technol, Sch Automat & Informat Engn, Xian 710048, Peoples R China
[2] Univ Oulu, Ctr Wireless Commun CWC, Oulu 90570, Finland
[3] Xi An Jiao Tong Univ, Sch Informat & Commun Engn, Xian 710049, Peoples R China
关键词
Broadband antennas; Antennas; Wideband; Dispersion; Resonance; Internet of Things; Antenna feeds; Broadside radiation; compact antennas; Internet of Things (IoT); metasurface (MS); multimode resonances; wideband antennas; LOW-PROFILE; BROAD-BAND; MICROSTRIP ANTENNA; RADIATION; APERTURE; PATTERN; ARRAY;
D O I
10.1109/TAP.2024.3408472
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
This communication presents a novel approach to design a compact wideband metasurface (MS) antenna with multimode resonance for the Internet of Things (IoT) applications. The proposed antenna incorporates an aperiodic MS structure and an aperture-coupled feeding structure, operating within the frequency range of 2.15-3.84 GHz, covering n7, n38, n41, and n78 frequency bands. Initially, an MS resonant antenna is designed based on the left-handed dispersion characteristics of metamaterials, generating TM(-10) and TM((-20) )modes, which are then merged. Subsequently, the unit structure is adjusted to transform the antenna into an aperiodic structure, resulting in the generation of the TM(-21) mode. The working frequency is from 2.15 to 3.84 GHz with 56% fractional bandwidth. The three negative resonant modes are cleverly combined to enable broadside patterns with a maximum realized gain of 4.22 dBi. Besides that, its simultaneous wideband operation and miniaturized form factor makes this design unique compared to previously reported literature.
引用
收藏
页码:6747 / 6752
页数:6
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