Indoor positioning system
First Claim
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1. An indoor position system, comprising:
- a plurality of anchor stations, each configured to simultaneously transmit a radio frequency signal and an acoustic signal during a time slot reserved for each of the plurality of anchor stations;
a mobile station including;
a radio frequency receiver configured to receive the radio frequency signal from at least one of the plurality of anchor stations;
an acoustic receiver configured to receive the acoustic signal from at least one of the plurality of anchor stations; and
a processing unit configured to determine position information of the mobile unit based upon the received radio frequency signal and the received acoustic signal.
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Abstract
An indoor position system, includes a plurality of anchor stations each configured to transmit a radio frequency signal and an acoustic signal. A mobile station includes a radio frequency receiver configured to receive a radio frequency signal from at least one of the plurality of anchor stations and an acoustic receiver configured to receive an acoustic signal from at least one of the plurality of anchor stations. A processing unit is configured to determine position information of the mobile unit based upon the received radio frequency signal and acoustic signal.
18 Citations
24 Claims
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1. An indoor position system, comprising:
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a plurality of anchor stations, each configured to simultaneously transmit a radio frequency signal and an acoustic signal during a time slot reserved for each of the plurality of anchor stations; a mobile station including; a radio frequency receiver configured to receive the radio frequency signal from at least one of the plurality of anchor stations; an acoustic receiver configured to receive the acoustic signal from at least one of the plurality of anchor stations; and a processing unit configured to determine position information of the mobile unit based upon the received radio frequency signal and the received acoustic signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification