Source: http://www.google.nl/patents/US20110093443?hl=nl
Timestamp: 2017-12-12 14:21:20
Document Index: 237447145

Matched Legal Cases: ['art 1992', 'art 1994', 'art 1997', 'art 1999', 'art 1997', 'art 1999', 'art 2002', 'art 2005', 'art 2006', 'art 2010', 'art 2005', 'art 2006']

Patent US20110093443 - Access Point Database - Google Patenten
A location beacon database and server, method of building location beacon database, and location based service using same. Wi-Fi access points are located in a target geographical area to build a reference database of locations of Wi-Fi access points. At least one vehicle is deployed including at least...http://www.google.nl/patents/US20110093443?utm_source=gb-gplus-sharePatent US20110093443 - Access Point Database
Publicatienummer US20110093443 A1
Aanvraagnummer US 12/907,825
Publicatiedatum 21 april 2011
Aanvraagdatum 19 okt 2010
Ook gepubliceerd als CA2585495A1, CA2585495C, CN101438270A, CN101438270B, CN101980550A, CN101980550B, EP1820120A2, EP1820120A4, EP1820120B1, EP2527859A2, EP2527859A3, EP2527859B1, US7305245, US7403762, US7414988, US7433694, US7769396, US7818017, US8031657, US8630664, US8837363, US8965412, US9369884, US9554247, US20060095348, US20060095349, US20060106850, US20060217131, US20080132170, US20080139217, US20090075672, US20110035420, US20110317579, US20130184003, US20140342752, US20160295360, US20170127376, WO2006110181A2, WO2006110181A3
Publicatienummer 12907825, 907825, US 2011/0093443 A1, US 2011/093443 A1, US 20110093443 A1, US 20110093443A1, US 2011093443 A1, US 2011093443A1, US-A1-20110093443, US-A1-2011093443, US2011/0093443A1, US2011/093443A1, US20110093443 A1, US20110093443A1, US2011093443 A1, US2011093443A1
Oorspronkelijke patenteigenaar Farshid Alizadeh-Shabdiz, Jones Russel K, Morgan Edward J, Shean Michael G
Patentcitaties (105), Verwijzingen naar dit patent (8), Classificaties (42), Juridische gebeurtenissen (2)
US 20110093443 A1
29. A database of identified 802.11 access points in at least one target area having a radius on the order of at least miles, said database comprising:
a plurality of database records recorded in a computer-readable medium for substantially all of the identified access points in the target area,
each database record including for one of the identified access points,
identification information, and
access point position information for the one of the identified access points calculated from readings of the one of the access points from a plurality of reference locations distributed around more than one side of the one of the access points to reduce negative effects of arterial bias in the position information calculated therefrom.
30. The database of claim 29 wherein the 802.11 access points are Wi-Fi access points.
31. The database of claim 29 wherein the plurality of reference locations distributed around the access point provide reference symmetry of the reference locations with regard to the one of the access points.
32. The database of claim 29 wherein the plurality of reference locations distributed around the access point provide readings scanned from at least three reference points at different angles around the one of the access points.
33. The database of claim 29 wherein the plurality of reference locations distributed around the one of the access points provide readings therefrom from substantially all drivable streets in the target area.
34. The database of claim 33 wherein the distribution of the plurality of reference locations provides reference symmetry of the access points for a user of the database determining user position therefrom.
35. The database of claim 29 wherein the readings of the one of the access points have been taken from one or more predetermined routes on drivable streets in the target area to distribute the reference locations around the one of the access points.
36. The database of claim 29 wherein the readings of the one of the access points have been taken from one or more non-random routes on drivable streets in the target area to distribute the reference locations around the one of the access points to provide reference symmetry of the readings.
37. The database of claim 29 wherein the readings of the one of the access points have been taken from one or more routes determined by a routing algorithm used to distribute the reference locations to provide reference symmetry of the readings around the one of the access points.
38. The database of claim 37 wherein the routing algorithm is a solution to a Eulerian cycle problem.
39. The database of claim 38 wherein the routing algorithm is an instance of a Chinese Postman routing algorithm.
40. The database of claim 29 wherein access point position information for the one of the identified access points is calculated from readings of the one of the access points from a plurality of reference locations distributed at many angles to the one of the access points to reduce negative effects of arterial bias in the position information calculated therefrom.
41. The database of claim 40 wherein access point position information for the one of the identified access points is calculated from readings the plurality of reference locations distributed at as many angles to the one of the access points as possible by scanning readings from substantially all drivable streets in the target area.
42. The database of claim 29 wherein the readings have been reviewed to verify uniform coverage around the one of the access points to avoid arterial bias in the access point position information.
43. A database of identified 802.11 access points, such as Wi-Fi access points, in at least one target area having a radius on the order of at least miles, said database comprising:
each database record including for one of the identified 802.11 access points,
calculated position information based on readings from a plurality of locations providing reference symmetry in the readings to reduce negative effects of arterial bias in the calculated position information.
44. A database of 802.11 access points for at least one target area having a radius on the order of at least miles, said database being recorded in a computer-readable medium, said database comprising:
a plurality of database records including data base records for substantially all of the identified 802.11 access points in the target area,
wherein each said record includes
position information calculated from readings of that 802.11 access point from a plurality of locations within the target area with sufficient reference symmetry to avoid arterial bias.
45. The database of claim 44 wherein the plurality of locations further comprises:
a plurality of non-random locations.
46. The database of claim 44 wherein the plurality of locations further comprises:
a plurality of locations having different angles to the location of that 802.11 access point.
47. The database of claim 44 wherein the plurality of locations further comprises:
at least three locations having different angles to the location of that 802.11 access point.
48. The database of claim 44 wherein the plurality of locations further comprises:
a plurality of locations having at least three different angles to the location of that 802.11 access point.
49. The database of claim 44 wherein the plurality of locations further comprises:
a plurality of locations selected by an algorithm to include all roads in the target area.
50. A database of 802.11 access points for at least one target area having a radius on the order of at least miles, said database being recorded in a computer-readable medium and comprising:
database records for substantially all of the identified 802.11 access points in the target area, each database record including
identification information for a corresponding 802.11 access point, and
calculated position information and readings from a plurality of locations within the target area for the corresponding 802.11 access point,
wherein said calculated position information is obtained from calculations based on readings of the corresponding 802.11 access point from a plurality of locations within the target area to provide reference symmetry when calculating the position of the 802.11 access point in order to avoid arterial bias in the calculated position information.
51. A database of 802.11 access points for at least one target area having a radius on the order of at least miles, said database being recorded in a computer-readable medium and database records for substantially all of the identified 802.11 access points in the target area, each database record comprising:
identification information for a corresponding 802.11 access point; and
recorded readings from a plurality of locations within the target area for the corresponding 802.11 access point,
52. A database of 802.11 access points for at least one target area having a radius on the order of at least miles, said database being recorded in a computer-readable medium and comprising database records for a sufficient number of 802.11 access points in the target area to calculate position information, each database record comprising:
calculated position information for the corresponding 802.11 access point,
wherein said calculated position information was obtained from calculations based on readings of the corresponding 802.11 access point from a plurality of locations within the target area to provide reference symmetry when calculating the position of the 802.11 access point in order to avoid arterial bias in the calculated position information.
53. A database of 802.11 access points for at least one target area having a radius on the order of at least miles, said database being recorded in a computer-readable medium and including database records for substantially all of the identified 802.11 access points in the target area, each record comprising:
wherein said calculated position information is obtained from recording multiple readings of the 802.11 access point from a plurality of locations when calculating the position of the 802.11 access point in order to reduce arterial bias in the calculated position information.
54. The database of claim 53 wherein the multiple readings of a 802.11 access point are collected by traversing publicly accessible areas through any manner of conveyance, such as driving, walking, biking or other such mode of physical movement.
55. A database of 802.11 access points for at least one target area having a radius on the order of at least miles, said database being recorded in a computer-readable medium and comprising:
database records for a sufficient number of access points in the target area to calculate position information, each database record including,
identification information for a corresponding access point and
calculated position information for the corresponding access point,
wherein said calculated position information is obtained from calculations based on readings of the corresponding access point from a plurality of locations within the target area to provide reference symmetry when calculating the position of the 802.11 access point in order to avoid arterial bias in the calculated position information.
Turn-by-turn driving 10-20 meters 95% of the time
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Classificatie in de VS 707/705, 707/E17.044
Internationale classificatie G06F17/30, H04W4/02, H04W48/08, H04W64/00, G01S19/48
Coöperatieve classificatie H04W4/02, G01S19/13, H04W64/003, H04W84/12, H04W48/16, H04W24/00, H04W88/08, G01S19/46, G01S19/14, G01S5/0242, G08G1/20, G01S5/02, G06Q10/0875, G01S5/0284, G01S5/0226, H04W16/18, H04W48/08, G01S5/0205, H04W84/10, H04W64/00, Y10S707/99936, G01S5/0252, G01S5/021, H04W88/06
Europese classificatie G01S5/02A4, G01S5/02A, G01S5/02, G01S5/02D, G01S19/46, H04W64/00, G01S5/02R, H04W64/00B, G01S5/02A1, G06Q10/0875, G01S5/02A6
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ALIZADEH-SHABDIZ, FARSHID;JONES, RUSSEL K.;MORGAN, EDWARD J.;AND OTHERS;SIGNING DATES FROM 20060927 TO 20061015;REEL/FRAME:025791/0464
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