WO2008045157A3 - Gps-based traffic monitoring system - Google Patents

Gps-based traffic monitoring system Download PDF

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Publication number
WO2008045157A3
WO2008045157A3 PCT/US2007/018643 US2007018643W WO2008045157A3 WO 2008045157 A3 WO2008045157 A3 WO 2008045157A3 US 2007018643 W US2007018643 W US 2007018643W WO 2008045157 A3 WO2008045157 A3 WO 2008045157A3
Authority
WO
WIPO (PCT)
Prior art keywords
traffic
current
during
monitoring system
traffic monitoring
Prior art date
Application number
PCT/US2007/018643
Other languages
French (fr)
Other versions
WO2008045157A2 (en
Inventor
Sehat Sutardja
Original Assignee
Marvell World Trade Ltd
Sehat Sutardja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marvell World Trade Ltd, Sehat Sutardja filed Critical Marvell World Trade Ltd
Publication of WO2008045157A2 publication Critical patent/WO2008045157A2/en
Publication of WO2008045157A3 publication Critical patent/WO2008045157A3/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/14—Receivers specially adapted for specific applications
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
    • G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Abstract

A traffic monitoring system comprises a traffic estimating module that estimates an average traffic level on the road during prior ones of first periodic periods. A traffic monitoring module estimates a current traffic level on the road during a first portion of a current one of the first periodic periods based on vector and location information received from at least one of cellular phones and vehicles during the first portion. A traffic predicting module predicts traffic levels on the road during a remaining portion of the current one of the first periodic periods based on the average traffic level and the estimated current traffic level during the first portion.
PCT/US2007/018643 2006-10-09 2007-08-23 Gps-based traffic monitoring system WO2008045157A2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US82872006P 2006-10-09 2006-10-09
US60/828,720 2006-10-09
US86817406P 2006-12-01 2006-12-01
US60/868,174 2006-12-01
US11/637,173 2006-12-11
US11/637,173 US7885758B2 (en) 2005-06-30 2006-12-11 GPS-based traffic monitoring system

Publications (2)

Publication Number Publication Date
WO2008045157A2 WO2008045157A2 (en) 2008-04-17
WO2008045157A3 true WO2008045157A3 (en) 2008-06-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/018643 WO2008045157A2 (en) 2006-10-09 2007-08-23 Gps-based traffic monitoring system

Country Status (3)

Country Link
US (5) US7885758B2 (en)
TW (3) TWI434238B (en)
WO (1) WO2008045157A2 (en)

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US20070088490A1 (en) 2007-04-19
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US7983839B2 (en) 2011-07-19
US20080177470A1 (en) 2008-07-24
TWI451366B (en) 2014-09-01
US7885760B2 (en) 2011-02-08
US7885759B2 (en) 2011-02-08
US7885758B2 (en) 2011-02-08
US8064931B2 (en) 2011-11-22
WO2008045157A2 (en) 2008-04-17
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US20070197217A1 (en) 2007-08-23
US20080177467A1 (en) 2008-07-24
TWI442352B (en) 2014-06-21

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