Assignee
ALIZADEH-SHABDIZ FARSHID
US·36 granted patents·3 pending applications·1,216 citations·filing 2007–2012
Top patents by PatentIndex Score
39 records- 0199US8155666B2Methods and systems for determining location using a cellular and WLAN positioning system by selecting the best cellular positioning system solutionALIZADEH-SHABDIZ FARSHID·Filed 2009·Granted Apr 10, 2012·190 cites·24 claims
- 0299US8090386B2Estimation of speed and direction of travel in a WLAN positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2010·Granted Jan 3, 2012·132 cites·4 claims
- 0398US8630664B2Access point databaseALIZADEH-SHABDIZ FARSHID·Filed 2010·Granted Jan 14, 2014·23 cites·29 claims
- 0498US8223074B2Systems and methods for using a satellite positioning system to detect moved WLAN access pointsALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Jul 17, 2012·60 cites·24 claims
- 0598US8089398B2Methods and systems for stationary user detection in a hybrid positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2009·Granted Jan 3, 2012·95 cites·14 claims
- 0698US8089399B2System and method for refining a WLAN-PS estimated location using satellite measurements in a hybrid positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2009·Granted Jan 3, 2012·97 cites·20 claims
- 0797US8130148B2System and method for using a satellite positioning system to filter WLAN access points in a hybrid positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Mar 6, 2012·47 cites·32 claims
- 0896US9014715B2Systems for and methods of determining likelihood of atypical transmission characteristics of reference points in a positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Apr 21, 2015·30 cites·38 claims
- 0996US8462745B2Methods and systems for determining location using a cellular and WLAN positioning system by selecting the best WLAN PS solutionALIZADEH-SHABDIZ FARSHID·Filed 2009·Granted Jun 11, 2013·48 cites·22 claims
- 1096US8185129B2System and method of passive and active scanning of WLAN-enabled access points to estimate position of a WLAN positioning deviceALIZADEH-SHABDIZ FARSHID·Filed 2007·Granted May 22, 2012·45 cites·6 claims
- 1196US8154454B2Systems and methods for using a satellite positioning system to detect moved WLAN access pointsALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Apr 10, 2012·33 cites·24 claims
- 1296US8144673B2Method and system for employing a dedicated device for position estimation by a WLAN positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2007·Granted Mar 27, 2012·42 cites·18 claims
- 1395US8155673B2Estimation of position using WLAN access point radio propagation characteristics in a WLAN positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Apr 10, 2012·28 cites·8 claims
- 1495US8103288B2Estimation of speed and direction of travel in a WLAN positioning system using multiple position estimationsALIZADEH-SHABDIZ FARSHID·Filed 2009·Granted Jan 24, 2012·30 cites·12 claims
- 1594US8606294B2Method of and system for estimating temporal demographics of mobile usersALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Dec 10, 2013·15 cites·31 claims
- 1694US8242960B2Systems and methods for using a satellite positioning system to detect moved WLAN access pointsALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Aug 14, 2012·19 cites·22 claims
- 1793US8971915B2Systems for and methods of determining likelihood of mobility of reference points in a positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Mar 3, 2015·16 cites·32 claims
- 1893US8526967B2Estimation of speed and direction of travel in a WLAN positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Sep 3, 2013·11 cites·2 claims
- 1993US8315233B2System and method of gathering WLAN packet samples to improve position estimates of WLAN positioning deviceALIZADEH-SHABDIZ FARSHID·Filed 2007·Granted Nov 20, 2012·29 cites·4 claims
- 2091US9253605B2System and method for resolving multiple location estimate conflicts in a WLAN-positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2010·Granted Feb 2, 2016·20 cites·33 claims
- 2191US8700053B2Systems for and methods of determining likelihood of relocation of reference points in a positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Apr 15, 2014·12 cites·42 claims
- 2291US8559974B2Methods of and systems for measuring beacon stability of wireless access pointsALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Oct 15, 2013·12 cites·28 claims
- 2390US8890746B2Method of and system for increasing the reliability and accuracy of location estimation in a hybrid positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Nov 18, 2014·20 cites·41 claims
- 2490US8706140B2System and method of passive and active scanning of WLAN-enabled access points to estimate position of a WLAN positioning deviceALIZADEH-SHABDIZ FARSHID·Filed 2012·Granted Apr 22, 2014·10 cites·10 claims
- 2590US8630657B2Systems for and methods of determining likelihood of reference point identity duplication in a positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Jan 14, 2014·11 cites·34 claims
- 2690US8284103B2Systems and methods for using a satellite positioning system to detect moved WLAN access pointsALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Oct 9, 2012·11 cites·10 claims
- 2790US8229455B2System and method of gathering and caching WLAN packet information to improve position estimates of a WLAN positioning deviceALIZADEH-SHABDIZ FARSHID·Filed 2007·Granted Jul 24, 2012·18 cites·12 claims
- 2889US8909245B2System and method for estimating positioning error within a WLAN-based positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2011·Granted Dec 9, 2014·11 cites·42 claims
- 2988US8619643B2System and method for estimating the probability of movement of access points in a WLAN-based positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2010·Granted Dec 31, 2013·13 cites·22 claims
- 3088US8564481B2Systems and methods for using a satellite positioning system to detect moved WLAN access pointsALIZADEH-SHABDIZ FARSHID·Filed 2012·Granted Oct 22, 2013·9 cites·16 claims
- 3188US8063820B2Methods and systems for determining location using a hybrid satellite and WLAN positioning system by selecting the best SPS measurementsALIZADEH-SHABDIZ FARSHID·Filed 2009·Granted Nov 22, 2011·27 cites·25 claims
- 3287US9363785B2Calculation of quality of WLAN access point characterization for use in a WLAN positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2009·Granted Jun 7, 2016·11 cites·13 claims
- 3385US8638256B2Accuracy and performance of a hybrid positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2009·Granted Jan 28, 2014·18 cites·19 claims
- 3481US8406785B2Method and system for estimating range of mobile device to wireless installationALIZADEH-SHABDIZ FARSHID·Filed 2009·Granted Mar 26, 2013·13 cites·29 claims
- 3577US9052378B2Estimation of position using WLAN access point radio propagation characteristics in a WLAN positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2012·Granted Jun 9, 2015·4 cites·23 claims
- 3667US8279114B2Method of determining position in a hybrid positioning system using a dilution of precision metricALIZADEH-SHABDIZ FARSHID·Filed 2009·Granted Oct 2, 2012·6 cites·21 claims
- 3752US2011035420A1Location Beacon DatabaseALIZADEH-SHABDIZ FARSHID·Filed 2010·Application pending·0 cites
- 3844US2008248741A1Time difference of arrival based estimation of direction of travel in a wlan positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2007·Application pending·0 cites
- 3944US2008248808A1Estimation of position, speed and bearing using time difference of arrival and received signal strength in a wlan positioning systemALIZADEH-SHABDIZ FARSHID·Filed 2007·Application pending·0 cites
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