Circuits, devices and methods for use in RFID tags include receiving multiple RF signals from multiple ports. The signals are added after some processing, to produce a single combined signal. Additional components process the single combined signal by itself....http://www.google.fr/patents/US7525438?utm_source=gb-gplus-shareBrevet US7525438 - RFID tags combining signals received from multiple RF ports
RFID tags combining signals received from multiple RF ports
