A Cognitive Radio Reconfigurable MIMO and Sensing Antenna System

被引：97
作者：
Hussain, Rifaqat [1 ]
Sharawi, Mohammad S. [1 ]
机构：
[1] King Fahd Univ Petr & Minerals, Dept Elect Engn, Dhahran 31261, Saudi Arabia
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2015年 / 14卷
关键词：
4G wireless communication; antennas; cognitive radio; multiple-input-multiple-output (MIMO); ultrawideband;
D O I：
10.1109/LAWP.2014.2361450
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：
planar, compact, single-substrate, multiband, frequency-reconfigurable multiple-input multiple-output (MIMO) antenna system is presented. The proposed antenna elements are integrated with an ultrawideband (UWB) sensing antenna to develop a complete antenna platform for cognitive radio (CR) applications. The dual-element MIMO antenna is integrated with p-i-n and varactor diodes for frequency reconfigurability. Two modes of selection are used for the MIMO antenna system reconfigurability along with varactor tuning to sweep the frequency over a wide band especially below 1 GHz. The proposed sensing antenna is used to cover a wide range of frequency bands from 720 similar to 3440 MHz. The complete system comprising the multiband reconfigurable MIMO antennas and UWB sensing antenna for CR applications is proposed with a compact form factor. The antenna system is developed on a single substrate area of dimensions 65 x 120 x 1.56 mm(3).
引用
收藏
页码：257 / 260
页数：4
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