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

页码：275 / 276

页数：2

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