Patent ID: 8610545
Filing Date: 2013-12-17
Classification: G01S,G06K

Abstract:
1. A method for determining the location of a subject, comprising receiving, by a first set of receivers out of a plurality of receivers, a first signal from a radio frequency identification tag that is assigned to the subject, wherein the radio frequency identification tag has a radio frequency identification tag identity; receiving, by a second set of receivers out of a plurality of receivers, a second signal from the radio frequency identification tag, the second signal being different from the first signal, wherein the second set of receivers is different from the first set of receivers; computing a location score on the basis of information about the first signal, wherein the information about the first signal is included in the first signal received by the first set of receivers, and also on the basis of information about the second signal, wherein the information about the second signal is included in the second signal received by the second set of receivers; and determining the location of the subject on the basis of the location score, wherein determining the location of the subject on the basis of the location score includes determining whether the location score is unique.