60-GHz Thin Broadband High-Gain LTCC Metamaterial-Mushroom Antenna Array

被引：72

作者：

Liu, Wei ^{[1
]}

Chen, Zhi Ning ^{[1
,2
]}

Qing, Xianming ^{[1
]}

机构：

[1] ASTAR, Inst Infocomm Res, Singapore 138632, Singapore

[2] Natl Univ Singapore, Dept Elect Engn, Singapore 117583, Singapore

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2014年 / 62卷 / 09期

关键词：

Low profile; low temperature cofired ceramic (LTCC); metamaterial; millimeter wave antenna array; mushroom antenna; mutual coupling; substrate integrated waveguide (SIW); surface wave; wideband; 60; GHz; BANDWIDTH ENHANCEMENT; RESONANT ANTENNAS; WAVE-GUIDE; SUBSTRATE;

D O I：

10.1109/TAP.2014.2333052

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：

A low-profile broadband metamaterial-mushroom antenna array is proposed for high-gain 60-GHz band applications. The antenna array consists of a single-layer mushroom radiating structure and a simplified single-layer substrate integrated waveguide (SIW) feeding network. A new transmission-line based model is presented to estimate the resonant frequencies of the operating TM10 and antiphase TM20 modes. With the metamaterial-mushroom structure, the closely-placed antenna elements realize less mutual couplings, higher aperture illumination efficiency compared to conventional patch antennas. An 8 x 8 mushroom antenna array is designed and prototyped using low-temperature cofired ceramic (LTCC), the measurement shows the antenna array with the feeding transition proposed an impedance bandwidth of 56.3-65.7 GHz with a boresight gain greater than 21.2 dBi and up to 24.2 dBi at 62.3 GHz. The proposed antenna array features the merits of high gain, broadband, compact size, and low cross-polarization levels.

引用

页码：4592 / 4601

页数：10

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