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 RFID tag is a dual-mode tag receiving communications from the WWAN and a wireless local area network (WLAN),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 the WLAN, andwherein a location of the RFID tag is determined as a function of the response signal.
4 Assignments
0 Petitions
Accused Products
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.
24 Citations
16 Claims
-
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 RFID tag is a dual-mode tag receiving communications from the WWAN and a wireless local area network (WLAN), 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 the 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)
-
-
9. An RFID tag, comprising:
-
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 RFID tag is a dual-mode tag receiving communications from the WWAN and a wireless local area network (WLAN), 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 the 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)
-
Specification