Full-duplex MIMO system based on antenna cancellation technique

被引：35
|
作者：
Foroozanfard, E. [1 ]
Franek, O. [1 ]
Tatomirescu, A. [1 ]
Tsakalaki, E. [1 ]
de Carvalho, E. [1 ]
Pedersen, G. F. [1 ]
机构：
[1] Aalborg Univ, Fac Sci & Engn, Dept Elect Syst, Aalborg, Denmark
来源：
ELECTRONICS LETTERS | 2014年 / 50卷 / 16期
关键词：
Microwave antennas - MIMO systems - Polarization - Microstrip antennas;
D O I：
10.1049/el.2014.1650
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：
The performance of an antenna cancellation technique for a multiple-input-multiple-output (MIMO) full-duplex system that is based on null-steering beamforming and antenna polarisation diversity is investigated. A practical implementation of a symmetric antenna topology comprising three dual-polarised patch antennas operating at 2.4 GHz is described. The measurement results show an average of 60 dB self-interference cancellation over 200 MHz bandwidth. Moreover, a decoupling level of up to 22 dB is achieved for MIMO multiplexing using antenna polarisation diversity. The performance evaluation of the proposed technique was performed by simulation and measurement and the results have good agreement.
引用
收藏
页码：1116 / 1117
页数：2
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