SYSTEM AND METHOD FOR TRACKING IN MULTI-STORY BUILDINGS

System and method to locate a person in a multi-level building, including: a portable transmitter coupled to the person, the portable transmitter configured to transmit a signal comprising an identification code; a plurality of receivers located in a multi-level building to receive the signal, subst...

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Bibliographic Details
Main Authors KRISHNAKUMAR ANJUR S, BENTLEY JON L, YAJNIK SHALINI
Format Patent
LanguageEnglish
Published 18.07.2013
Subjects
ALARM SYSTEMS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
WIRELESS COMMUNICATIONS NETWORKS
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Summary:System and method to locate a person in a multi-level building, including: a portable transmitter coupled to the person, the portable transmitter configured to transmit a signal comprising an identification code; a plurality of receivers located in a multi-level building to receive the signal, substantially each receiver producing a received signal, wherein at least a first receiver is located on a first level and at least a second receiver is located on a second level, wherein the second level is different than the first level; a signal strength estimator coupled to at least one receiver, the signal strength estimator configured to produce a signal strength estimation of the received signal received by the at least one receiver; and a processor configured to receive the signal strength estimations, and from the signal strength estimations calculate a level of the multi-level building on which the person is located.
Bibliography:Application Number: US201213351451