RELAY TAG, LOCATION COMPUTATION READER, CONTINUOUS INDOOR AND OUTDOOR REAL-TIME LOCATION TRACKING METHOD AND SYSTEM USING GLOBAL POSITIONING SYSTEM (GPS) SIGNAL AND WIRELESS COMMUNICATION
First Claim
1. A continuous indoor and outdoor real-time location tracking system, comprising:
- a Global Positioning System (GPS) satellite to transmit a location information signal outdoors;
a similar GPS signaler to generate a location information signal indoors in a form similar to the GPS satellite, and to transfer the generated location information signal;
a plurality of relay tags, attached to a plurality of target objects of location tracking, to relay the location information signals by receiving the location information signals transferred from the GPS satellite and the similar GPS signaler; and
a location computation reader to receive the location information signals from each of the plurality of relay tags, and to compute locations of the plurality of target objects of location tracking.
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Abstract
Disclosed is a relay tag, a location computation reader, and a continuous indoor and outdoor real-time location tracking method and system, which tracks locations of a plurality of target objects of location tracking with a plurality of relay tags, in real time, wherein a GPS satellite transmits a location information signal outdoors, a similar GPS signaler generates a location information signal indoors, and transfers the generated location information signal, the plurality of relay tags, attached to the plurality of target objects of location tracking, relay the location information signals by receiving the location information signals transferred from the GPS satellite and the similar GPS signaler, and a location computation reader receives the location information signals from each of the plurality of relay tags, and computes locations of the plurality of target objects of location tracking.
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Citations
19 Claims
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1. A continuous indoor and outdoor real-time location tracking system, comprising:
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a Global Positioning System (GPS) satellite to transmit a location information signal outdoors; a similar GPS signaler to generate a location information signal indoors in a form similar to the GPS satellite, and to transfer the generated location information signal; a plurality of relay tags, attached to a plurality of target objects of location tracking, to relay the location information signals by receiving the location information signals transferred from the GPS satellite and the similar GPS signaler; and a location computation reader to receive the location information signals from each of the plurality of relay tags, and to compute locations of the plurality of target objects of location tracking. - View Dependent Claims (2, 3)
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4. A similar Global Positioning System (GPS) signaler, comprising:
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a location information generation module to configure a data frame of the similar GPS signaler including an identification (ID) of the signaler, in order to provide information regarding a current location in relation to an indoor location for installing the similar GPS signaler; a synchronization processing module to receive time information from a GPS satellite, or to synchronize time between similar GPS signalers using other different schemes; and a signal transmission module to transfer a received location information signal to a relay tag.
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5. A relay tag, comprising:
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a signal reception module to receive a location information signal from a Global Positioning System (GPS) satellite, or a similar GPS signaler; a frame generation module to generate a signal frame including a tag identification (ID), and information received from the GPS satellite or the similar GPS signaler, in the received location information signal; and a wireless communication transmission module to transmit the generated signal frame to a location computation reader. - View Dependent Claims (6, 7)
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8. A location computation reader, comprising:
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a wireless communication reception radio frequency (RF) module to receive a location information signal from each of a plurality of relay tags; a baseband module to demodulate the received location information signal; and a location computation processing module to compute locations of the plurality of relay tags based on the demodulated location information signal. - View Dependent Claims (9, 10)
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11. A continuous indoor and outdoor real-time location tracking method, comprising:
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receiving, by a plurality of relay tags respectively attached to a plurality of target objects of location tracking, location information signals from a Global Positioning System (GPS) satellite and a similar GPS signaler; reconfiguring the received location information signals as a signal frame to transmit the location information signals to a location computation reader; transmitting the reconfigured location information signals to the location computation reader; and computing locations of the plurality of target objects of location tracking, based on the transferred location information signals. - View Dependent Claims (13)
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12. The method of claim 12, wherein the reconfiguring comprises reconfiguring, by the plurality of relay tags, positioned indoors and outdoors, the received location information signals as the signal frame, including a tag identification (ID), and information received from each GPS satellite, in order to transmit the location information signals to the location computation reader.
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14. A continuous indoor and outdoor real-time location tracking method, comprising:
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setting a current location in relation to a location for installing a similar GPS signaler; receiving a location information signal from a Global Positioning System (GPS) satellite; and synchronizing time between similar GPS signalers.
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15. A continuous indoor and outdoor real-time location tracking method, comprising:
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receiving a location information signal from a Global Positioning System (GPS) satellite or a similar GPS signaler; generating a signal frame using the received location information signal; and transmitting the generated signal frame to a location computation reader. - View Dependent Claims (16, 17)
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18. A continuous indoor and outdoor real-time location tracking method, comprising:
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receiving a location information signal from each of a plurality of relay tags; demodulating the received location information signal; and computing locations of the plurality of relay tags based on the demodulated location information signal. - View Dependent Claims (19)
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Specification