Spectrum monitor for cognitive radio. - Siwen Liang (2010)

A linear tuning ring VCO for spectrum monitor receiver in cognitive radio applications. - Siwen Liang; William Redman-White (ECCTD, 2011)

Integrated CMOS wide tuning range integer-N frequency synthesiser for spectrum monitoring functions in cognitive radio systems. - Siwen Liang; William Redman-White (IET Circuits Devices Syst., 2012)

26.4 A 160-to-960MHz ETSI class-1-compliant IoE transceiver with 100dB blocker rejection, 70dB ACR and 800pA standby current. - Niall Kearney; Charley Billon; Michael Deeney; Eric Evans; Kalim Khan; Hongxing Li; Siwen Liang; Kenneth Mulvaney; Keith A. O'Donoghue; Shane O'Mahony; Philip Quinlan; Sivanendra Selvanayagam; et al. (ISSCC, 2016)