Small-Sized UWB MIMO Antenna With Band Rejection Capability

被引：25
|
作者：
Chattha, Hassan Tariq [1 ]
Latif, Farah [2 ]
Tahir, Farooq A. [2 ]
Khan, Muhammad Umar [2 ]
Yang, Xiaodong [3 ]
机构：
[1] Islamic Univ Madinah, Fac Engn, Dept Elect Engn, Al Madinah 42351, Saudi Arabia
[2] Natl Univ Sci & Technol, Res Inst Microwave & Millimeter Wave Studies RIMM, Islamabad 44000, Pakistan
[3] Xidian Univ, Sch Elect Engn, Xian 710071, Peoples R China
来源：
IEEE ACCESS | 2019年 / 7卷
关键词：
UWB; isolation; ultra-wide band (UWB); MIMO; WLAN; transmission line; FR4; POLARIZATION DIVERSITY ANTENNA; MUTUAL COUPLING REDUCTION; SLOT ANTENNA; MIMO/DIVERSITY ANTENNA;
D O I：
10.1109/ACCESS.2019.2937322
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A very compact and small sized 2-element planar Ultra Wide band (UWB) antenna having high isolation with band rejection characteristics designed on a FR4 substrate (23 x 26 x 0.8 mm(3)) is presented in this paper. Each antenna element have a rectangular stepped-slot and a z-shaped slot, both etched in ground plane. The rectangular slot, proximity fed by a 50 Omega micro-strip transmission line, acts as a main radiator while z-shaped slot acts as a filter for rejecting the full WLAN band (5.15-5.85 GHz). Use of an inverted T-shaped slot near top end of ground plane improves isolation more than 24.5 dB in lower UWB band i.e. 3-5 GHz, while the rectangular vertical slot etched at center of the ground plane near the bottom edge reduces the mutual coupling at lower as well as at higher UWB band i.e. 5 - 10.6 GHz. Both measured and simulated results are presented which are found generally in good agreement.
引用
收藏
页码：121816 / 121824
页数：9
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