US Patent No: 8,054,219

Number of patents in Portfolio can not be more than 2000

Systems and methods for determining position using a WLAN-PS estimated position as an initial position in a hybrid positioning system

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ALSO PUBLISHED AS: 20090303120
ATTORNEY / AGENT: (SPONSORED)
 

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Abstract

This disclosure describes a method and system for determining position using a WLAN-PS estimated position as an initial position. In some embodiments, the method can include calculating a WLAN position estimate of the WLAN and satellite enabled device and using the WLAN position estimate as an initial position in satellite position system to determine the location of the WLAN and satellite enabled device.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SKYHOOK WIRELESS, INC.BOSTON, MA45

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alizadeh-Shabdiz, Farshid Wayland, MA 117 2248

Cited Art

Patent Info (Count) # Cites Year
 
SKYHOOK WIRELESS, INC. (65)
7,305,245 Location-based services that choose location algorithms based on number of detected access points within range of user device 62 2005
7,403,762 Method and system for building a location beacon database 56 2005
7,414,988 Server for updating location beacon database 48 2005
7,433,694 Location beacon database 59 2005
7,474,897 Continuous data optimization by filtering and positioning systems 33 2006
7,493,127 Continuous data optimization of new access points in positioning systems 35 2006
2006/0240,840 Continuous data optimization by filtering and positioning systems 34 2006
2007/0004,427 Continuous data optimization of new access points in positioning systems 30 2006
2007/0004,428 Continuous data optimization of moved access points in positioning systems 42 2006
7,502,620 Encoding and compression of a location beacon database 34 2006
2006/0200,843 Encoding and compression of a location beacon database 35 2006
7,515,578 Estimation of position using WLAN access point radio propagation characteristics in a WLAN positioning system 33 2006
7,551,579 Calculation of quality of wlan access point characterization for use in a wlan positioning system 34 2006
7,551,929 Estimation of speed and direction of travel in a WLAN positioning system using multiple position estimations 33 2006
7,835,754 Estimation of speed and direction of travel in a WLAN positioning system 17 2006
2007/0258,408 Estimation of speed and direction of travel in a WLAN positioning system using multiple position estimations 26 2006
2007/0258,409 Methods of filtering and determining cofidence factors for reference points for use in triangulation systems based on Wi-Fi access points 22 2006
2007/0258,420 Estimation of speed of travel using the dynamic signal strength variation of multiple WLAN access points 34 2006
2007/0258,421 Estimation of position using WLAN access point radio propagation characteristics in a WLAN positioning system 22 2006
2007/0259,624 Estimation of speed and direction of travel in a WLAN positioning system 29 2006
2007/0150,516 LOCATION TOOLBAR FOR INTERNET SEARCH AND COMMUNICATION 42 2006
7,856,234 System and method for estimating positioning error within a WLAN-based positioning system 16 2007
2008/0108,371 SYSTEM AND METHOD FOR ESTIMATING POSITIONING ERROR WITHIN A WLAN-BASED POSITIONING SYSTEM 19 2007
7,471,954 Methods and systems for estimating a user position in a WLAN positioning system based on user assigned access point locations 39 2007
2008/0248,741 TIME DIFFERENCE OF ARRIVAL BASED ESTIMATION OF DIRECTION OF TRAVEL IN A WLAN POSITIONING SYSTEM 26 2007
2008/0248,808 ESTIMATION OF POSITION, SPEED AND BEARING USING TIME DIFFERENCE OF ARRIVAL AND RECEIVED SIGNAL STRENGTH IN A WLAN POSITIONING SYSTEM 26 2007
7,768,963 System and method of improving sampling of WLAN packet information to improve estimates of Doppler frequency of a WLAN positioning device 23 2007
2008/0008,117 METHOD AND SYSTEM FOR EMPLOYING A DEDICATED DEVICE FOR POSITION ESTIMATION BY A WLAN POSITIONING SYSTEM 58 2007
2008/0008,118 SYSTEM AND METHOD OF GATHERING WLAN PACKET SAMPLES TO IMPROVE POSITION ESTIMATES OF WLAN POSITIONING DEVICE 42 2007
2008/0008,119 SYSTEM AND METHOD OF GATHERING AND CACHING WLAN PACKET INFORMATION TO IMPROVE POSITION ESTIMATES OF A WLAN POSITIONING DEVICE 42 2007
2008/0008,120 SYSTEM AND METHOD OF IMPROVING SAMPLING OF WLAN PACKET INFORMATION TO IMPROVE ESTIMATES OF DOPPLER FREQUENCY OF A WLAN POSITIONING DEVICE 31 2007
2008/0033,646 Systems and Methods of Automated Retrieval of Location Information from a User Device for use with Server Systems 41 2007
7,769,396 Location-based services that choose location algorithms based on number of detected access points within range of user device 25 2007
7,818,017 Location-based services that choose location algorithms based on number of detected wireless signal stations within range of user device 27 2007
2008/0132,170 LOCATION-BASED SERVICES THAT CHOOSE LOCATION ALGORITHMS BASED ON NUMBER OF DETECTED ACCESS POINTS WITHIN RANGE OF USER DEVICE 31 2007
2008/0139,217 LOCATION-BASED SERVICES THAT CHOOSE LOCATION ALGORITHMS BASED ON NUMBER OF DETECTED WIRELESS SIGNAL STATIONS WITHIN RANGE OF USER DEVICE 36 2007
2008/0176,583 METHOD AND SYSTEM FOR SELECTING AND PROVIDING A RELEVANT SUBSET OF WI-FI LOCATION INFORMATION TO A MOBILE CLIENT DEVICE SO THE CLIENT DEVICE MAY ESTIMATE ITS POSITION WITH EFFICIENT UTILIZATION OF RESOURCES 46 2007
2009/0075,672 SERVER FOR UPDATING LOCATION BEACON DATABASE 37 2008
2009/0149,197 CONTINUOUS DATA OPTIMIZATION OF NEW ACCESS POINTS IN POSITIONING SYSTEMS 36 2009
7,916,661 Estimation of position using WLAN access point radio propagation characteristics in a WLAN positioning system 18 2009
2009/0154,371 ESTIMATION OF POSITION USING WLAN ACCESS POINT RADIO PROPAGATION CHARACTERISTICS IN A WLAN POSITIONING SYSTEM 28 2009
2009/0175,189 CALCULATION OF QUALITY OF WLAN ACCESS POINT CHARACTERIZATION FOR USE IN A WLAN POSITIONING SYSTEM 35 2009
7,999,742 System and method for using a satellite positioning system to filter WLAN access points in a hybrid positioning system 11 2009
2009/0303,112 SYSTEM AND METHOD FOR REFINING A WLAN-PS ESTIMATED LOCATION USING SATELLITE MEASUREMENTS IN A HYBRID POSITIONING SYSTEM 35 2009
2009/0303,113 METHODS AND SYSTEMS FOR IMPROVING THE ACCURACY OF EXPECTED ERROR ESTIMATION IN A HYBRID POSITIONING SYSTEM 35 2009
2009/0303,114 METHOD AND SYSTEM FOR DETERMINING LOCATION USING A HYBRID SATELLITE AND WLAN POSITIONING SYSTEM BY SELECTING THE BEST WLAN-PS SOLUTION 35 2009
2009/0303,115 METHODS AND SYSTEMS FOR STATIONARY USER DETECTION IN A HYBRID POSITIONING SYSTEM 34 2009
2009/0303,119 SYSTEMS AND METHODS FOR USING ENVIRONMENTAL INFORMATION IN A HYBRID POSITIONING SYSTEM 35 2009
2009/0303,121 SYSTEM AND METHOD FOR USING A SATELLITE POSITIONING SYSTEM TO FILTER WLAN ACCESS POINTS IN A HYBRID POSITIONING SYSTEM 31 2009
2010/0052,983 SYSTEMS AND METHODS FOR MAINTAINING CLOCK BIAS ACCURACY IN A HYBRID POSITIONING SYSTEM 28 2009
2009/0310,585 METHODS AND SYSTEMS FOR DETERMINING LOCATION USING A CELLULAR AND WLAN POSITIONING SYSTEM BY SELECTING THE BEST WLAN PS SOLUTION 36 2009
2009/0312,035 METHODS AND SYSTEMS FOR DETERMINING LOCATION USING A CELLULAR AND WLAN POSITIONING SYSTEM BY SELECTING THE BEST CELLULAR POSITIONING SYSTEM SOLUTION 35 2009
2009/0312,036 METHODS AND SYSTEMS FOR IMPROVING THE ACCURACY OF EXPECTED ERROR ESTIMATION IN LOCATION DETERMINATIONS USING A HYBRID CELLULAR AND WLAN POSITIONING SYSTEM 38 2009
2009/0252,138 ESTIMATION OF SPEED AND DIRECTION OF TRAVEL IN A WLAN POSITIONING SYSTEM USING MULTIPLE POSITION ESTIMATIONS 32 2009
2011/0012,780 SYSTEMS AND METHODS FOR USING A SATELLITE POSITIONING SYSTEM TO DETECT MOVED WLAN ACCESS POINTS 21 2009
2011/0012,784 METHODS AND SYSTEMS FOR DETERMINING LOCATION USING A HYBRID SATELLITE AND WLAN POSITIONING SYSTEM BY SELECTING THE BEST SPS MEASUREMENTS 21 2009
2011/0021,207 System and Method for Estimating Positioning Error Within a WLAN-Based Positioning System 24 2009
2011/0045,840 METHOD AND SYSTEM FOR ESTIMATING RANGE OF MOBILE DEVICE TO WIRELESS INSTALLATION 27 2009
2011/0074,626 IMPROVEMENT OF THE ACCURACY AND PERFORMANCE OF A HYBRID POSITIONING SYSTEM 23 2009
2011/0080,317 METHOD OF DETERMINING POSITION IN A HYBRID POSITIONING SYSTEM USING A DILUTION OF PRECISION METRIC 24 2009
2011/0080,318 Determining A Dilution of Precision Metric Using Two or Three GPS Satellites 26 2009
2011/0035,420 Location Beacon Database 23 2010
2011/0058,495 Estimation of Speed and Direction of Travel in a WLAN Positioning System 19 2010
2011/0080,841 System and Method for Estimating Positioning Error within a WLAN-Based Positioning System 15 2010
2011/0164,522 Estimation of Position Using WLAN Access Point Radio Propagation Characteristics in a WLAN Positioning System 17 2011
 
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7,123,928 Method and apparatus for creating and using a base station almanac for position determination 57 2004
2005/0037,775 Method and apparatus for wireless network hybrid positioning 76 2004
2005/0090,266 Local area network assisted positioning 57 2004
2007/0268,177 System and/or method for determining sufficiency of pseudorange measurements 14 2006
2007/0121,560 POSITIONING FOR WLANS AND OTHER WIRELESS NETWORKS 36 2006
2008/0032,706 System And/Or Method For Providing Information Updates To A Location Server 20 2007
2008/0079,633 SYSTEM AND/OR METHOD FOR REDUCING AMBIGUITIES IN RECEIVED SPS SIGNALS 19 2007
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SAMSUNG ELECTRONICS CO., LTD. (5)
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NOKIA CORPORATION (4)
7,120,449 Location determination in telecommunication network 28 2000
6,771,211 Method, system and devices for positioning a receiver 13 2001
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BROADCOM CORPORATION (3)
2009/0251,364 Method and system of a mobile subscriber estimating position 12 2008
2010/0039,323 METHOD AND SYSTEM FOR GLOBAL POSITION REFERENCE MAP (GPRM) FOR AGPS 12 2008
2009/0189,810 WEIGHTED AIDING FOR POSITIONING SYSTEMS 15 2009
 
MICROSOFT CORPORATION (3)
7,250,907 System and methods for determining the location dynamics of a portable computing device 35 2003
2006/0046,709 Proximity detection using wireless signal strengths 57 2004
2008/0004,888 Wireless, location-based e-commerce for mobile communication devices 21 2006
 
MOTOROLA MOBILITY LLC (3)
6,888,811 Communication system for location sensitive information and method therefor 75 2001
2007/0298,761 METHOD AND SYSTEM FOR LOCATING A WIRELESS DEVICE IN A WIRELESS COMMUNICATION NETWORK 19 2006
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SNAPTRACK, INC. (3)
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GOLBA LLC (2)
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2010/0309,051 METHOD AND SYSTEM FOR DETERMINING THE POSITION OF A MOBILE DEVICE 14 2010
 
HITACHI, LTD. (2)
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MEXENS INTELLECTUAL PROPERTY HOLDING LLC (2)
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MOTOROLA, INC. (2)
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THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS (2)
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GOOGLE INC. (1)
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OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (3)
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Patent Citation Ranking

Forward Cites

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SKYHOOK WIRELESS, INC. (4)
8,284,103 Systems and methods for using a satellite positioning system to detect moved WLAN access points 0 2011
8,242,960 Systems and methods for using a satellite positioning system to detect moved WLAN access points 0 2011
8,223,074 Systems and methods for using a satellite positioning system to detect moved WLAN access points 0 2011
8,154,454 Systems and methods for using a satellite positioning system to detect moved WLAN access points 1 2011

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