Patent ID: 11922250
Assignee: CORNELL UNIVERSITY
Field: Telecommunications (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A collaborative RFID reading system, comprising:
a plurality of RFID readers, each of the plurality of RFID readers comprising a transmitter, a receiver, a processing device, and a non-transient memory device bearing a unique orthogonal code assigned to the RFID reader and bearing unique orthogonal codes assigned to each of the other ones of the plurality of RFID readers,
wherein the transmitter of each of the plurality of RFID readers is synchronized to a first baseband frequency, and
wherein the processor of each of the plurality of RFID readers is programmed to:
encode data according to the unique orthogonal code assigned to the RFID reader to produce a CDMA-encoded signal characteristic of the RFID reader; and
broadcast the CDMA-encoded signal via the transmitter.