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An electrical-balance duplexer for in-band full-duplex with <-85dBm in-band distortion at +10dBm TX-power | IEEE Conference Publication | IEEE Xplore

An electrical-balance duplexer for in-band full-duplex with <-85dBm in-band distortion at +10dBm TX-power


Abstract:

When using electrical-balance duplexers (EBDs) to provide RF self-interference cancellation for in-band full-duplex, in-band distortion produced by nonlinear CMOS switche...Show More

Abstract:

When using electrical-balance duplexers (EBDs) to provide RF self-interference cancellation for in-band full-duplex, in-band distortion produced by nonlinear CMOS switches in the duplexer cause distortion that limits the headroom for additional self-interference cancellation in subsequent cancellation schemes in the transceiver. A prototype EBD is fabricated in 0.18μm SOI CMOS to investigate the dynamic range limitations of a transceiver architecture for next-generation wireless systems that supports in-band full-duplex and legacy FDD. Measurements show -85dBm in-band distortion at +10dBm TX input power, enough for short-range links at 10MHz BW.
Date of Conference: 14-18 September 2015
Date Added to IEEE Xplore: 02 November 2015
ISBN Information:
Print ISSN: 1930-8833
Conference Location: Graz, Austria

References

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