1. I. Mayordomo and J. Bernhard, Implementation of an adaptive leakage cancellation for passive UHF RFID readers, IEEE Int. Conf. RFID (2011), pp. 121-127.
2. K. Kapucu, M. Pauli and C. Dehollain, A fast active leakage cancellation method for UHF RFID readers, IEEE Int. Conf. on RFID (2017), pp. 182-186.
3. D. P. Villame and J. S. Marciano, Carrier suppression locked loop mechanism for UHF RFID readers, IEEE Int. Conf. RFID (2010), pp. 141-145.