An overview of passive RFID. - Vipul Chawla; Dong Sam Ha (IEEE Commun. Mag., 2007)

A combined VCO and divide-by-two for low-voltage low-power 1.6 GHz quadrature signal generation. - Shen Wang; Dong Sam Ha; Beomsup Kim; Vipul Chawla (CICC, 2011)

Dual use of power lines for data communications in microprocessors. - Vipul Chawla; Dong Sam Ha (DDECS, 2011)

Low-Voltage Low-Power 1.6 GHz Quadrature Signal Generation Through Stacking a Transformer-Based VCO and a Divide-by-Two. - Shen Wang; Vipul Chawla; Dong Sam Ha; Beomsup Kim (IEEE Trans. Circuits Syst. I Regul. Pap., 2012)