Real-Time RF Self-Interference Cancellation for In-Band Full Duplex

被引：0
|
作者：
Vermeulen, Tom [1 ]
van Liempd, Barend [2 ,3 ]
Hershberg, Benjamin [2 ]
Pollin, Sofie [1 ]
机构：
[1] Katholieke Univ Leuven, Dept Elect Engn, B-3001 Heverlee, Belgium
[2] IMEC, Leuven, Belgium
[3] Vrije Univ Brussel, ETRO Dept, Brussels, Belgium
来源：
2015 IEEE INTERNATIONAL SYMPOSIUM ON DYNAMIC SPECTRUM ACCESS NETWORKS (DYSPAN) | 2015年
关键词：
D O I：
暂无
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：
We demonstrate a real-time RF self-interference cancellation scheme for in-band full duplex using an electrical balance duplexer. The balance network in the duplexer has four 8-bit tunable capacitor banks, creating a four dimensional optimization space with over 4 billion settings. We present a particle swarm optimizer that is able to find a close to optimal solution within 1 ms. The goal of this demo is to show a self-interference cancellation scheme for very dynamic environments. More specifically our demo is able to mitigate instantaneous changes in the antenna impedance in order to keep the self-interference below the threshold.
引用
收藏
页码：275 / 276
页数：2
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