System and method for determining location

摘要

The present invention introduces a location determining system. The location determining system includes a reader array and a location determining engine server. The reader array includes three readers, where each reader includes a plurality of reader groups that receives a tag information signal transmitted from the tag, generates a PN code generated from inside, correlation and standard deviation of the correlation, and bypasses the tag information signal, in a case a ratio of correlation and standard deviation of the correlation is greater than a predetermined critical value. The location determining engine server determines a final location value relative to the tag, using the tag information signal having a time difference of tag information signals received from the three readers forming each reader group among the tag information signals bypassed by the plurality of reader groups smaller than a predetermined marginal time difference.

主权项

1. A location determining system, the system comprising:
a reader array including a plurality of reader groups, each group including three readers, each reader receiving a tag information signal from a tag, generating a correlation between the tag information signal and a PN (Pseudo Noise) code generated from inside, and a standard deviation with the correlation, and bypassing the tag information signal, in a case a ratio between the correlation and the standard deviation with the correlation is greater than a predetermined critical value; and a location determining engine server determining a final location value relative to the tag using a tag information signal having a time difference of tag information signals received from the three readers forming each reader group among the tag information signals bypassed by the plurality of reader groups smaller than a predetermined marginal time difference.