Multi-reader coordination in RFID system
First Claim
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1. A method of operating a plurality of Radio Frequency Identification (RFID) readers, the method comprising:
- operating the readers according to a spatial-division and time-division synchronization schedule.
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Abstract
A method of operating a plurality of Radio Frequency Identification (RFID) readers includes operating the readers according to a spatial-division and time-division synchronization schedule. Each reader may be associated with a reader group, and the schedule may specify a duration of time that all of the readers in a group may be active. Readers in different reader groups may be scheduled independent of readers in other reader groups.
120 Citations
24 Claims
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1. A method of operating a plurality of Radio Frequency Identification (RFID) readers, the method comprising:
operating the readers according to a spatial-division and time-division synchronization schedule. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. In a system in which a plurality of Radio Frequency Identification (RFID) readers are operating, a method comprising:
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by a first reader of the plurality of RFID readers, obtaining a schedule, the schedule specifying a time at which the first reader may operate; and
the first reader operating out of turn when it is determined that out-of-turn operation by the first reader would not cause undue interference with a scheduled reader. - View Dependent Claims (10, 11)
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12. A method of operating a plurality of Radio Frequency Identification (RFID) readers, the method comprising:
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grouping at least some of the readers into a group;
associating at least one rule with the group; and
operating the readers in the group according to the at least one rule. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification