Compact Electronically Reconfigurable WiMAX Band- Notched Ultra-wideband MIMO Antenna

被引：15
作者：
Quddus, Asim [1 ]
Saleem, Rashid [2 ]
Shafique, Muhammad Farhan [3 ]
Rehman, Sabih Ur [4 ]
机构：
[1] UET, Dept Elect Engn, Taxila 47050, Pakistan
[2] UET, Dept Telecommun Engn, Taxila 47050, Pakistan
[3] COMSATS Inst Informat Technol, Ctr Advance Studies Telecommun, Islamabad, Pakistan
[4] Charles Sturt Univ, Sch Comp & Math, Bathurst, NSW, Australia
来源：
RADIOENGINEERING | 2018年 / 27卷 / 04期
关键词：
Band notch; isolation; multiple-input multiple-output (MIMO); PIN diodes; reconfigurable; ultra-wideband (UWB); WiMAX; CIRCULAR SLOT ANTENNA; MONOPOLE ANTENNA; FREQUENCY; SYSTEM; DESIGN;
D O I：
10.13164/re.2018.0998
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 electronically reconfigurable WiMAX band-notched dual port multiple-input multiple-output (MIMO) antenna design for ultra-wideband application has been presented. The two symmetrical MIMO antenna elements proposed in this work exhibit a good impedance match (VSWR <= 2) over frequency band of 3 to 12 GHz, while offering high isolation. The decoupling structure is used to enhance the isolation level above 25 dB over the entire UWB spectrum. The reconfigurable band notch characteristic in MIMO design is achieved by inserting PIN diodes along the filtering Omega-shaped slotted structure in main radiators. Notch appears for WiMAX 3.5 GHz (3.2-3.8 GHz) frequency band by switching the PIN diode to 'ON' state. The proposed antenna is fabricated and measured, the results suggest its appropriateness for UWB applications where WiMAX band notch characteristics may be desired on-demand.
引用
收藏
页码：998 / 1005
页数：8
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