Patent application number | Description | Published |
20100157848 | METHOD AND APPARATUS FOR PROVIDING AND UTILIZING LOCAL MAPS AND ANNOTATIONS IN LOCATION DETERMINATION - The subject matter disclosed herein relates to a system and method for retrieving a local map for a given area. One or more signals wirelessly transmitted from one or more wireless network elements may be received by a mobile device. The mobile device may identify an associated local map based at least in part on the received one or more signals. The associated local map and annotations associated with the associated local map may subsequently be obtained. The associated local map utilizes a predefined coordinate system. | 06-24-2010 |
20100159958 | POST-DEPLOYMENT CALIBRATION FOR WIRELESS POSITION DETERMINATION - Methods and apparatuses are directed to calibrating a misconfigured wireless access point. One method may include receiving a position of mobile station(s) and wireless signal model measurements derived from packets exchanged between the mobile station(s) and a plurality of wireless access points, receiving positions and/or identities of the plurality of wireless access points used in determining the position of the mobile station(s), comparing a position of the mobile station(s) with wireless signal model measurements, and identifying a misconfigured wireless access point based upon the comparing. Another method may include receiving positions associated with a plurality of wireless access points, determining a position of a mobile station based upon a wireless signal model, comparing the position of the mobile station and the wireless signal model with the positions associated with the plurality of wireless access points, and determining whether at least one wireless access point is misconfigured. | 06-24-2010 |
20100172259 | Detection Of Falsified Wireless Access Points - Apparatuses and methods for detecting falsified wireless access points are presented. A method includes identifying a target wireless access point for validation and measuring a round trip time delay to the wireless access point. The method also includes determining an expected processing delay of the wireless access point, analyzing the measured round trip time delay and the expected processing delay, and validating the wireless access point based upon the analysis. An apparatus includes a wireless transceiver, a processing unit coupled to the wireless transceiver, and a memory coupled to the processing unit. The processing unit is configured to identify a target wireless access point for validation, measure a round trip time delay to the wireless access point, determine an expected processing delay of the wireless access point, analyze the measured round trip time delay and the expected processing delay, and validate the wireless access point based upon the analysis. | 07-08-2010 |
20110069627 | PEER-ASSISTED TRANSMITTER SIGNAL ATTRIBUTE FILTERING FOR MOBILE STATION POSITION ESTIMATION - Examples disclosed herein may relate to filtering one or more signal attributes from a given transmitter from use in mobile station position estimation operations based at least in part on variations in signal strength indicators for one or more wireless communications between the transmitter and a plurality of devices. | 03-24-2011 |
20110081919 | Mobile Device Locating In Conjunction With Localized Enviornments - The subject matter disclosed herein relates to systems, methods, apparatuses, articles, etc. for mobile device locating in conjunction with localized environments. For certain example implementations, a method may comprise obtaining at a mobile device one or more signals comprising information indicative of a location thereof. The information may be transmitted to one or more servers. A location context identifier (LCI) may be received responsive to the transmitting, with the LCI corresponding to a localized environment at which the mobile device is located. The LCI may be transmitted to the one or more servers. Location-based data may be received responsive to the transmitting of the LCI, with the location-based data being associated with the LCI and pertaining to the localized environment. The location of the mobile device may be determined with respect to the localized environment based, at least in part, on the location-based data. Other example implementations are described herein. | 04-07-2011 |
20110090123 | Binning Venues Into Categories Based On Propagation Characteristics - Example methods, apparatuses, or articles of manufacture are disclosed herein that may be utilized to facilitate or otherwise support one or more processes or operations in connection with defining and determining a plurality of venue types and binning a plurality of venues into categories based, at least in part, on signal propagation characteristics associated with such venues. | 04-21-2011 |
20110143683 | Portable Electronic Device Positioning Based On Multipath Characterization Information Associated With Wireless Network Transmitting Devices - Techniques are provided which may be implemented in various methods and/or apparatuses to allow a portable electronic device to characterize and/or otherwise identify that certain wireless signals may be multipath signals and/or non-multipath signals. Given such signal/environment characterization information, a portable electronic device may select particular wireless signals for use in signal-based location estimation process and/or other communication processes. | 06-16-2011 |
20110172916 | Mobile Device Positioning In A Constrained Environment - The subject matter disclosed herein relates to systems, methods, devices, articles, apparatuses, means, etc. for mobile device positioning in a constrained environment. For certain example implementations, a method may comprise obtaining an estimated velocity distribution and an estimated direction of movement distribution of a mobile device for a current position based at least in part on routability information for a constrained environment. A subsequent position of the mobile device may be estimated based at least in part on the estimated velocity distribution and the estimated direction of movement distribution for the current position. Other example implementations are described herein. | 07-14-2011 |
20110177809 | AFFECTING A NAVIGATION FUNCTION IN RESPONSE TO A PERCEIVED TRANSITION FROM ONE ENVIRONMENT TO ANOTHER - Techniques are provided that may be implemented in various methods and apparatuses to allow an electronic device to determine when it is transitioning or has transitioned from a first environment to a second environment based, at least in part, on at least one measured parameter. The measured parameter may be based, at least in part, on one or more received wireless signals associated with one or more wireless signal transmitters, and/or one or more signals associated with one or more non-radio sensors. The electronic device may then affect operation of a navigation function (e.g., having a trajectory estimation filter) based, at least in part, on the measured parameter. | 07-21-2011 |
20110183626 | Methods And Apparatuses For Use In Identifying Wireless Transmitting Devices For Use In Estimating A Location Of A Mobile Device - Techniques for provided which may be implemented using various methods and/or apparatuses to allow a mobile device to identify and select certain wireless transmitting devices for use in estimating a location of the mobile device. For example with one method, a mobile device may identify a plurality of wireless transmitting devices from which measurements are obtainable to estimate a location of the mobile device, and select a set of wireless transmitting devices based, at least in part, on a location reliability indicator. | 07-28-2011 |
20110183683 | METHOD AND APPARATUS FOR PEER-ASSISTED LOCALIZATION - The subject matter disclosed herein relates to a system and method for receiving, by a first mobile station, a signal transmitted from a second mobile station and addressed to a communication device (e.g., a communication device having a known location). The signal comprises a location estimate for the second mobile station. A range from the first mobile station to the second mobile station is estimated based at least in part on a measured signal strength of the received signal. | 07-28-2011 |
20110201350 | PORTABLE ELECTRONIC DEVICE POSITIONING BASED ON IDENTIFIABLE ZONES PRESENTING REDUCED WIRELESS COMMUNICATION CONDITIONS - Techniques are provided which may be implemented in various methods and/or apparatuses to allow a portable electronic device to at least estimate its current position while within or otherwise operatively associated with an operating environment that may have one or more identifiable zones that present a reduced wireless communication condition. | 08-18-2011 |
20110269478 | DEVICE FOR ROUND TRIP TIME MEASUREMENTS - An appliance facilitates localization of a station (STA) in a network, for example, a short-range wireless network. An automatic response to a request for a measurement related communication is provided. The appliance can include a radio frequency (RF) interface and a media access control (MAC) section. The MAC section can receive the request and generate the automatic response immediately after a uniform period that is uniform among any such appliance within the network. The appliance performs only the generation of the automatic response, though the response can include additional information such as (x, y) coordinates of the appliance. | 11-03-2011 |
20120328045 | Time Varying Cyclic Delay Diversity of OFDM - Methods and apparatuses that apply a time-varying delay to symbols to be transmitted from one or more antennas are provided. | 12-27-2012 |
Patent application number | Description | Published |
20090156664 | Natural Vitamin E Compositions with Superior Antioxidant Potency - Compositions for increased antioxidant potency of natural vitamin E (d-alpha-tocopherol), comprising alpha-, beta-, delta-, and gamma-forms of tocopherols and tocotrienols are disclosed. All of these compositions provide 400 International Units (IU), based on one mg of d-alpha-tocopherol provides 1.49 IU. These compositions showed antioxidant activities superior to natural d-alpha-tocopherol. These compositions are designed to provide protection of the cell membrane lipid layer, and protection against heart disease, cancer, and eye disease. | 06-18-2009 |
20110251274 | Natural Vitamin E Compositions with Superior Antioxidant Potency - Compositions for increased antioxidant potency of natural vitamin E (d-alpha-tocopherol), comprising alpha-, beta-, delta-, and gamma-forms of tocopherols and tocotrienols are disclosed. All of these compositions provide 400 International Units (IU), based on one mg of d-alpha-tocopherol provides 1.49 IU. These compositions showed antioxidant activities superior to natural d-alpha-tocopherol. These compositions are designed to provide protection of the cell membrane lipid layer, and protection against heart disease, cancer, and eye disease. | 10-13-2011 |
20140051851 | [18F] Fluoride Cryptate Complexes for Radiolabeling Fluorinations - The present invention claims complexing [ | 02-20-2014 |