Tags, wireless communication systems, tag communication methods, and wireless communications methods
Patent
·
OSTI ID:908251
- Richland, WA
Tags, wireless communication systems, tag communication methods, and wireless communications methods are described. In one aspect, a tag includes a plurality of antennas configured to receive a plurality of first wireless communication signals comprising data from a reader, a plurality of rectifying circuits coupled with. respective individual ones of the antennas and configured to provide rectified signals corresponding to the first wireless communication signals, wherein the rectified signals are combined to produce a composite signal, an adaptive reference circuit configured to vary a reference signal responsive to the composite signal, a comparator coupled with the adaptive reference circuit and the rectifying circuits and configured to compare the composite signal with respect to the reference signal and to output the data responsive to the comparison, and processing circuitry configured to receive the data from the comparator and to process the data.
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA
- Sponsoring Organization:
- United States Department of Energy
- DOE Contract Number:
- AC06-76RL01830
- Assignee:
- Battelle Memorial Institute (Richland, WA)
- Patent Number(s):
- 7,106,173
- Application Number:
- 10/336,086
- OSTI ID:
- 908251
- Country of Publication:
- United States
- Language:
- English
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