System and method for determining epl message transmission...

Details System and method for determining epl message transmission... System and method for determining epl message transmission...

H - Electricity

04

B

H04B 7/005 (2006.01) G06K 17/00 (2006.01) H04L 1/08 (2006.01) H04L 1/16 (2006.01) H04L 1/12 (2006.01)

Patent

CA 2169904

A system and method which determines a number of electronic price label (EPL) data message transmission attempts to an EPL. A transmitter transmits a data message to the EPL. A receiver receives a return signal from the EPL. A storage system stores a status flag representing a first number of times the data message is transmitted by the transmitter to the EPL, the status flag being based upon an established signal to noise (S/N) ratio. A communication base station (CBS) determines a new S/N ratio from the return signal. A runtime analyzer program determines whether the new S/N ratio is below a range of S/N ratios that includes the established S/N ratio, and if it is, provides a new status flag representing a second number of transmission times greater than the first number of transmission times. The transmitter transmits a subsequent data message the second number of times.

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