US20110035420A1 - Location Beacon Database - Google Patents

Location Beacon Database Download PDF

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Publication number
US20110035420A1
US20110035420A1 US12/906,338 US90633810A US2011035420A1 US 20110035420 A1 US20110035420 A1 US 20110035420A1 US 90633810 A US90633810 A US 90633810A US 2011035420 A1 US2011035420 A1 US 2011035420A1
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US
United States
Prior art keywords
location
access point
access points
data
scanning
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US12/906,338
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English (en)
Inventor
Farshid Alizadeh-Shabdiz
Russel K. Jones
Edward J. Morgan
Michael G. SHEAN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Skyhook Wireless Inc
Original Assignee
Skyhook Wireless Inc
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Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37087465&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20110035420(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Skyhook Wireless Inc filed Critical Skyhook Wireless Inc
Priority to US12/906,338 priority Critical patent/US20110035420A1/en
Assigned to SKYHOOK WIRELESS, INC. reassignment SKYHOOK WIRELESS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JONES, RUSSEL K., ALIZADEH-SHABDIZ, FARSHID, MORGAN, EDWARD J., SHEAN, MICHAEL G.
Publication of US20110035420A1 publication Critical patent/US20110035420A1/en
Abandoned legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/003Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42Determining position
    • G01S19/45Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
    • G01S19/46Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being of a radio-wave signal type
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205Details
    • G01S5/021Calibration, monitoring or correction
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205Details
    • G01S5/0226Transmitters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205Details
    • G01S5/0242Determining the position of transmitters to be subsequently used in positioning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0284Relative positioning
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/08Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/087Inventory or stock management, e.g. order filling, procurement or balancing against orders
    • G06Q10/0875Itemisation or classification of parts, supplies or services, e.g. bill of materials
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information
    • H04W4/029Location-based management or tracking services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/14Receivers specially adapted for specific applications
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0252Radio frequency fingerprinting
    • G01S5/02521Radio frequency fingerprinting using a radio-map
    • G01S5/02524Creating or updating the radio-map
    • G01S5/02525Gathering the radio frequency fingerprints
    • G01S5/02526Gathering the radio frequency fingerprints using non-dedicated equipment, e.g. user equipment or crowd-sourcing
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/20Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/18Network planning tools
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/06Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00Data processing: database and file management or data structures
    • Y10S707/99931Database or file accessing
    • Y10S707/99933Query processing, i.e. searching
    • Y10S707/99936Pattern matching access

Definitions

  • a proprietary hardware chip receives TV signals from these various towers and uses the known positions of these towers as reference points.
  • the challenges facing this model are the cost of the new hardware receiver and the limitations of using such a small set of reference points. For example, if a user is outside the perimeter of towers, the system has a difficult time providing reasonable accuracy.
  • the classic example is a user along the shoreline. Since there are no TV towers out in the ocean, there is no way to provide reference symmetry among the reference points resulting in a calculated positioning well inland of the user.
  • Performance and reliability of the underlying positioning system are the key drivers to the successful deployment of any location based service. Performance refers to the accuracy levels that the system achieves for that given use case. Reliability refers to the percentage of time that the desired performance levels are achieved.
  • the calculated locations for the identified Wi-Fi access points are filtered to determine if the corresponding Wi-Fi access points have moved since the time the information about the Wi-Fi access points was included in the reference database.
  • the choice of location-determination algorithm is further based on the user application making the location request.
  • FIG. 3 depicts an example of a scanning scenario to illustrate the problem of arterial bias in data collection
  • FIG. 5 depicts an example scenario to illustrate the problem of lack of reference symmetry of Wi-Fi access points in locating a user device
  • the Location Calculation component uses the reference data from the access point database and the signal strength readings from the Scanner to compute the location of the device at that moment. Before that location data is sent back to the Locator, it is processed by the Smoothing engine [ 909 ] which averages a past series of location readings to remove any erratic readings from the previous calculation. The adjusted location data is then sent back to the Locator.
  • the Parser and Filter process [ 803 ] begins.
  • the Parser and Filter process reads all of the upload scanning data and loads it up into the appropriate tables of the database. During this exercise the data is evaluated for quality issues. In some cases the GPS receiver may record erroneous or error records for some period of time, which could negatively affect the final access point location calculation.
  • the parser and filter process identifies these bad records and either corrects them or removes them from the system.
  • the filtering process users clustering techniques to weed out error prone GPS readings.
  • the triangulated position is found by applying the algorithm as follows:
  • the Data Pack Builder [ 805 ] creates subsets of the database based on regions of the country or world.
  • the pack builder facilitates distribution of the database for a variety of use cases in which only region certain geographies are of interest.
  • the pack builder is configured with region coordinates representing countries, time zones and metropolitan areas. Utilizing this technique a user can download just the location data for the west coast of the United States. The pack builder segments the data records and then compresses them.
US12/906,338 2004-10-29 2010-10-18 Location Beacon Database Abandoned US20110035420A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/906,338 US20110035420A1 (en) 2004-10-29 2010-10-18 Location Beacon Database

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US62310804P 2004-10-29 2004-10-29
US11/261,988 US7305245B2 (en) 2004-10-29 2005-10-28 Location-based services that choose location algorithms based on number of detected access points within range of user device
US11/950,242 US7818017B2 (en) 2004-10-29 2007-12-04 Location-based services that choose location algorithms based on number of detected wireless signal stations within range of user device
US12/906,338 US20110035420A1 (en) 2004-10-29 2010-10-18 Location Beacon Database

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US11/950,242 Division US7818017B2 (en) 2004-10-29 2007-12-04 Location-based services that choose location algorithms based on number of detected wireless signal stations within range of user device

Publications (1)

Publication Number Publication Date
US20110035420A1 true US20110035420A1 (en) 2011-02-10

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ID=37087465

Family Applications (14)

Application Number Title Priority Date Filing Date
US11/261,898 Active 2026-09-30 US7414988B2 (en) 2004-10-29 2005-10-28 Server for updating location beacon database
US11/261,848 Active 2026-12-06 US7433694B2 (en) 2004-10-29 2005-10-28 Location beacon database
US11/261,988 Active 2026-07-29 US7305245B2 (en) 2004-10-29 2005-10-28 Location-based services that choose location algorithms based on number of detected access points within range of user device
US11/261,987 Active 2026-09-30 US7403762B2 (en) 2004-10-29 2005-10-28 Method and system for building a location beacon database
US11/950,242 Active 2026-10-19 US7818017B2 (en) 2004-10-29 2007-12-04 Location-based services that choose location algorithms based on number of detected wireless signal stations within range of user device
US11/950,178 Active 2026-10-26 US7769396B2 (en) 2004-10-29 2007-12-04 Location-based services that choose location algorithms based on number of detected access points within range of user device
US12/190,683 Active 2026-04-30 US8031657B2 (en) 2004-10-29 2008-08-13 Server for updating location beacon database
US12/906,338 Abandoned US20110035420A1 (en) 2004-10-29 2010-10-18 Location Beacon Database
US12/907,825 Active 2026-12-28 US8630664B2 (en) 2004-10-29 2010-10-19 Access point database
US13/225,848 Active US8837363B2 (en) 2004-10-29 2011-09-06 Server for updating location beacon database
US13/790,517 Active 2025-12-06 US8965412B2 (en) 2004-10-29 2013-03-08 Location-based services that choose location algorithms based on number of detected access points within range of user device
US14/456,310 Active US9369884B2 (en) 2004-10-29 2014-08-11 Techniques for computing location of a mobile device based on observed Wi-Fi access points
US15/181,057 Active US9554247B2 (en) 2004-10-29 2016-06-13 Techniques for computing location of a mobile device based on observed Wi-Fi access points
US15/411,278 Active US9918295B2 (en) 2004-10-29 2017-01-20 Techniques for computing location of a mobile device using calculated locations of Wi-Fi access points from a reference database

Family Applications Before (7)

Application Number Title Priority Date Filing Date
US11/261,898 Active 2026-09-30 US7414988B2 (en) 2004-10-29 2005-10-28 Server for updating location beacon database
US11/261,848 Active 2026-12-06 US7433694B2 (en) 2004-10-29 2005-10-28 Location beacon database
US11/261,988 Active 2026-07-29 US7305245B2 (en) 2004-10-29 2005-10-28 Location-based services that choose location algorithms based on number of detected access points within range of user device
US11/261,987 Active 2026-09-30 US7403762B2 (en) 2004-10-29 2005-10-28 Method and system for building a location beacon database
US11/950,242 Active 2026-10-19 US7818017B2 (en) 2004-10-29 2007-12-04 Location-based services that choose location algorithms based on number of detected wireless signal stations within range of user device
US11/950,178 Active 2026-10-26 US7769396B2 (en) 2004-10-29 2007-12-04 Location-based services that choose location algorithms based on number of detected access points within range of user device
US12/190,683 Active 2026-04-30 US8031657B2 (en) 2004-10-29 2008-08-13 Server for updating location beacon database

Family Applications After (6)

Application Number Title Priority Date Filing Date
US12/907,825 Active 2026-12-28 US8630664B2 (en) 2004-10-29 2010-10-19 Access point database
US13/225,848 Active US8837363B2 (en) 2004-10-29 2011-09-06 Server for updating location beacon database
US13/790,517 Active 2025-12-06 US8965412B2 (en) 2004-10-29 2013-03-08 Location-based services that choose location algorithms based on number of detected access points within range of user device
US14/456,310 Active US9369884B2 (en) 2004-10-29 2014-08-11 Techniques for computing location of a mobile device based on observed Wi-Fi access points
US15/181,057 Active US9554247B2 (en) 2004-10-29 2016-06-13 Techniques for computing location of a mobile device based on observed Wi-Fi access points
US15/411,278 Active US9918295B2 (en) 2004-10-29 2017-01-20 Techniques for computing location of a mobile device using calculated locations of Wi-Fi access points from a reference database

Country Status (11)

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US (14) US7414988B2 (fr)
EP (2) EP1820120B1 (fr)
JP (2) JP4866361B2 (fr)
KR (1) KR101099151B1 (fr)
CN (2) CN101980550B (fr)
AU (1) AU2005330513B2 (fr)
CA (1) CA2585495C (fr)
ES (1) ES2391566T3 (fr)
HK (1) HK1108037A1 (fr)
SG (1) SG157355A1 (fr)
WO (1) WO2006110181A2 (fr)

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US20090149197A1 (en) * 2005-02-22 2009-06-11 Skyhook Wireless, Inc. Continuous data optimization of new access points in positioning systems
US20090175189A1 (en) * 2006-05-08 2009-07-09 Skyhook Wireless, Inc. Calculation of quality of wlan access point characterization for use in a wlan positioning system
US20090252138A1 (en) * 2006-05-08 2009-10-08 Skyhook Wireless, Inc. Estimation of speed and direction of travel in a wlan positioning system using multiple position estimations
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