Multi-frequency communication system and method
Patent
·
OSTI ID:1174880
A multi-frequency RFID remote communication system is provided that includes a plurality of RFID tags configured to receive a first signal and to return a second signal, the second signal having a first frequency component and a second frequency component, the second frequency component including data unique to each remote RFID tag. The system further includes a reader configured to transmit an interrogation signal and to receive remote signals from the tags. A first signal processor, preferably a mixer, removes an intermediate frequency component from the received signal, and a second processor, preferably a second mixer, analyzes the IF frequency component to output data that is unique to each remote tag.
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC06-76RL01830
- Assignee:
- Battelle Memorial Institute K1-53 (Richland, WA)
- Patent Number(s):
- 6,745,008
- Application Number:
- 09/589,000
- OSTI ID:
- 1174880
- Country of Publication:
- United States
- Language:
- English
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