Method of cooperation between mobile and fixed rfid readers

A system for communicating with RFID tags comprising:

• at least one RFID tag;
• a mobile RFID reader operable to interrogate the at least one RFID tag;
• a first fixed RFID reader operable to interrogate the at least one RFID tag, the first fixed RFID reader configured to receive a request to interrogate the at least one RFID tag from the mobile RFID reader and configured to interrogate the at least one RFID tag based on the request from the mobile RFID reader;
• and
• wherein the mobile RFID reader is configured to send a request to interrogate the at least one RFID tag to the first fixed RFID reader.

A data storage device, characterized in that:

• the data storage device contains code which when executed by a processor implements a method of communicating with an RFID tag at a mobile reader comprising:
• sending a request to interrogate at least one tag to a fixed reader;
• and
• receiving at least one response to an interrogation based on the request.