Multi-Path Mitigation in Rangefinding and Tracking Objects Using Reduced Attenuation RF Technology
First Claim
1. A system for tracking and locating wireless network devices, comprising:
- a multipath mitigation processor configured to receive and process one or more signals of the wireless network devices and configured to perform ranging between the wireless network devices.
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Accused Products
Abstract
A method and system for identification, tracking and locating in wireless communications and wireless networks. The method and system use reference and/or pilot signals that are present in wireless communications and wireless networks. The method and system can also use RTT, TOA and time-stamping measurements/techniques to determine one or more reference signals traveling time between the Base Station (eNB) or its functional equivalent and mobile device (UE) and or network device. The method and system includes multi-path mitigations processor and multi-path mitigations techniques and algorithms which improve the track-locate accuracy. The method and system allow achieving increased accuracy by using multi-path mitigations processor and multi-path mitigations techniques and algorithms. The techniques of Digital Signal Processing and Software-Defined Radio are used.
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Citations
27 Claims
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1. A system for tracking and locating wireless network devices, comprising:
a multipath mitigation processor configured to receive and process one or more signals of the wireless network devices and configured to perform ranging between the wireless network devices. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for tracking and locating wireless network devices, comprising the steps of:
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receiving and processing one or more signals of the wireless network devices; and using a multipath mitigation processor to perform ranging between the wireless network devices based on the one or more signals. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A system for tracking and locating wireless network devices, comprising:
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a wireless receiver configured to interface to the wireless network devices to receive one or more signals from the wireless network devices; a multipath mitigation processor configured to receive and process the one or more signals and configured to perform an Angle of Arrival (AOA) ranging from one or more of the wireless network devices based on the one or more signals, the wireless receiver configured to interface to the multipath mitigation processor. - View Dependent Claims (25, 27)
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26. The system as recited in 24, wherein the multipath mitigation processor is configured to perform ranging utilizing a method from the group of methods comprising:
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Time of Arrival (TOA); Differential Time of Arrival (DTOA); TOA and DTOA; Time of Flight (TOF); TOF and Angle of Arrival (AOA); TOA and AOA; Triangulation; Trilateration; Triangulation and Trilateration; Virtual triangulation; Reverse Virtual Triangulation; Virtual triangulation and Reverse Virtual Triangulation; Observed Time Difference of Arrival (OTDOA); OTDOA and Downlink OTDOA (DL-OTDOA); Cell ID; Round Trip Time (RTT); CELL ID and RTT; Cell ID and AOA; and Cell ID and AOA and RTT.
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Specification