RF tracking system and method
First Claim
Patent Images
1. An RFID tag, comprising:
- a memory storing identification data; and
a radio frequency transceiver receiving a signal from a first wireless transceiver, the first wireless transceiver being part of a wireless wide area network (WWAN), wherein the radio frequency transceiver transmits a response signal including the identification data to at least one second wireless transceiver, the at least one second wireless transceiver being part of a wireless local area network (WLAN), and wherein a location of the RFID tag is determined as a function of the response signal.
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Abstract
Described is an RFID tracking system, an RFID tag and method. The tag includes a memory storing identification data and a radio frequency transceiver receiving a signal from a first wireless transceiver. The first wireless transceiver is part of a wireless wide area network WWAN). The radio frequency transceiver transmits a response signal including the identification data to at least one second wireless transceiver. The at least one second wireless transceiver being part of a wireless local area network WLAN). A location of the RFID tag is determined as a function of the response signal.
106 Citations
23 Claims
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1. An RFID tag, comprising:
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a memory storing identification data; and
a radio frequency transceiver receiving a signal from a first wireless transceiver, the first wireless transceiver being part of a wireless wide area network (WWAN), wherein the radio frequency transceiver transmits a response signal including the identification data to at least one second wireless transceiver, the at least one second wireless transceiver being part of a wireless local area network (WLAN), and wherein a location of the RFID tag is determined as a function of the response signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An RFID tag, comprising:
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a memory storing identification data; and
a radio frequency transceiver receiving a first signal from a first wireless transceiver, the first wireless transceiver being part of a wireless wide area network (WWAN), wherein the radio frequency transceiver transmits a first response signal including the identification data to the first wireless transceiver, wherein the radio frequency transceiver receives a second signal from a second wireless transceiver, the second wireless transceiver being part of a wireless local area network (WLAN), wherein the radio frequency transceiver transmits a second response signal including identification data to the second wireless transceiver, and wherein a location of the RFID tag is determined as a function of the second response signal. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A computer-readable storage medium storing a set of instructions, the set of instruction capable of being executed by a processor, the set of instructions performing the steps of:
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initiating transmission of a signal to an RFID tag over a first transceiver of a wireless wide area network (WWAN);
receiving a response signal from the RFID tag via a second transceiver of a wireless local area network (WLAN); and
determining a location of the RFID tag as a function of the response signal. - View Dependent Claims (18, 19, 20)
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21. A computer-readable storage medium storing a set of instructions, the set of instructions capable of being executed by a processor, the set of instructions performing the steps of:
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initiating transmission of a first signal to an RFID tag over a first transceiver on a wireless wide area network (WWAN);
receiving a first response signal from the RFID tag via the first transceiver;
initiating transmission of a second signal to the RFID tag over a second transceiver on a wireless local area network (WLAN);
receiving a second response signal from the RFID tag via the second transceiver; and
determining a location of the RFID tag as a function of the second response signal. - View Dependent Claims (22)
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23. An RFID tag, comprising:
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a storage means for storing identification data; and
a communication means for receiving a signal from a first wireless transceiver, the first wireless transceiver being part of a wireless wide area network (WWAN), wherein the radio frequency transceiver transmits a response signal including the identification data to at least one second wireless transceiver, the at least one second wireless transceiver being part of a wireless local area network (WLAN), and wherein a location of the RFID tag is determined as a function of the response signal.
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Specification