rfid global standardization issues challenges opportunities michael r guillorymichael guillory philips com active participant experts group reg formerly vag vice chair us tag to iso iec jtc 1 sc 31 wg 4 5 rtls aidc delegate uwb ad hoc chairman 2 data structure 3 conformance sg project editor 18046 performance head of delegation arp application requirement profiles hod regulatory rappateur team member convener uid air interface
