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Real-time RF self-interference cancellation for in-band full duplex | IEEE Conference Publication | IEEE Xplore

Real-time RF self-interference cancellation for in-band full duplex


Abstract:

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 ...Show More

Abstract:

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.
Date of Conference: 29 September 2015 - 02 October 2015
Date Added to IEEE Xplore: 03 December 2015
Electronic ISBN:978-1-4799-7452-8
Conference Location: Stockholm, Sweden

References

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