A low-cost passive wireless capacitive sensing tag based on split-ring resonator. - Roddy A. Romero; Renato S. Feitoza; Carlos Renato Rambo; Fernando Rangel de Sousa (I2MTC, 2015)

Self-interference cancellation in chipless RFID readers for reading range enhancement. - Roddy Romero Antayhua; Carlos Renato Rambo; Fernando Rangel de Sousa (I2MTC, 2018)