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Beacon and associated components for a ranging system

a beam and antenna technology, applied in the field of terrestrial positioning and ranging, can solve the problems of unreliable or unavailable gps positioning and other location services within buildings, significant limitations in resolution and reliability of available technologies in a variety of environments

Active Publication Date: 2014-10-09
CORVUS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patent describes a system for determining the location of an end user node relative to a beacon using a radio frequency (RF) phased-array narrow beam and a transceiver. The beacon emits a separate RF phased-array narrow beam for each segment of an arc, and the end user node receives the RF beam and transmits a response signal. The system calculates the angle-of-arrival (AOA) and time-of-flight (TOF) of the response signal and generates an end user node location relative to the beacon. The technology can be used in a ranging system for determining the location of an end user node.

Problems solved by technology

GPS positioning and other location services within buildings can be unreliable or unavailable.
Particularly, GPS positioning and other location services may be unreliable or unavailable inside buildings and structures, including large industrial buildings, buildings with rooms, buildings with multiple floors, or outdoors in areas, such as areas with thick undergrowth or other obstructions.
However, such an approach typically requires a pre-existing installation within the building or structure.
Furthermore, available technologies have significant limitations in terms of resolution and reliability in a variety of environments.

Method used

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  • Beacon and associated components for a ranging system
  • Beacon and associated components for a ranging system
  • Beacon and associated components for a ranging system

Examples

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Embodiment Construction

[0037]It is to be understood that this disclosure is not limited to the particular structures, process steps, or materials disclosed, but is extended to equivalents as would be recognized by those ordinarily skilled in the relevant arts. Alterations and further modifications of the illustrated features, and additional applications of the principles of the examples, which would occur to one skilled in the relevant art and having possession of this disclosure, are to be considered within the scope of the disclosure. It should also be understood that terminology employed herein is used for the purpose of describing particular embodiments only and is not intended to be limiting. The same reference numerals in different drawings represent the same element.

[0038]It must be noted that, as used in this specification and the appended claims, the singular forms “a,”“an,” and “the” include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to “an apert...

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Abstract

A beacon for a ranging system includes an electronic scanned array (ESA) antenna and a transceiver. The ESA antenna is configured to emit a separate radio frequency (RF) phased-array narrow beam for each of a plurality of segments of an arc, and receive from an end user node a response signal based on at least one of the RF phased-array narrow beam. Each segment of the arc is scanned at a specified time interval. The transceiver is configured to transmit a pulsed signal via the RF phased-array narrow beam, and receive the response signal.

Description

RELATED APPLICATIONS[0001]This application is a continuation-in-part of U.S. patent application Ser. No. 13 / 430,525, filed Mar. 26, 2012 which is a continuation of PCT International Application No. PCT / US12 / 26666, filed Feb. 24, 2012 which claims the benefit of U.S. Provisional Patent Application Ser. No. 61 / 446,470, filed Feb. 24, 2011, and U.S. Provisional Patent Application Ser. No. 61 / 446,474, filed Feb. 24, 2011, each of which is incorporated herein by reference.FIELD OF THE INVENTION[0002]The present invention relates generally to terrestrial positioning and ranging. Accordingly, the present invention involves the fields of radio frequency based perimeter positioning and ranging and messaging.BACKGROUND[0003]Satellite navigation systems, such as the global positioning system (GPS) available to military, civil, commercial, and scientific users, enable a receiver to determine a location from ranging signals received from a plurality of satellites. GPS positioning and other locat...

Claims

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Application Information

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IPC IPC(8): H04W24/00
CPCH04W64/00H04W16/28H04W84/18G01S5/02G01S5/08G01S5/14H04W4/026G01S2205/02G01S13/878
Inventor ROSENBAUM, GLEN VARLAUGHLIN, GORDON J.DOERRSE, DON
Owner CORVUS TECH
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