Patents by Inventor Weihua Gao

Weihua Gao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for adapting to venue positioning capabilities
    Patent number: 9544869
    Abstract: Particular embodiments disclosed herein are directed to methods, systems and/or devices for mobile assisted positioning. A mobile station may receive positioning assistance data from a server enabling or supporting one or more positioning operations in a venue. In a particular implementation, the mobile device may alter execution of one or more applications based, at least in part, on an indication of particular positioning services or operations enabled or supported by positioning assistance data available at the server.
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: January 10, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Saumitra Mohan Das, Sai Pradeep Venkatraman, Weihua Gao, Ju-Yong Do
  • System and method for selecting a Wi-Fi access point for position determination
    Patent number: 9538330
    Abstract: Methods, systems, computer-readable media, and apparatuses for position determination are presented. In some embodiments, a method for position determination includes selecting at least one of a plurality of access points based on a measure of response time variability associated with the at least one access point. The method further includes sending, from a device, a communication to the selected at least one access point. The method also includes receiving, from the selected at least one access point, a response to the communication. The method additionally includes calculating a distance from the device to the selected at least one access point based on a round trip time associated with the response to the communication.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: January 3, 2017
    Assignee: QUALLCOMM Incorporated
    Inventors: Weihua Gao, Jr., Ravi Palanki, Wei Chen, Ashok Bhatia
  • Adaptive access point database management
    Patent number: 9516582
    Abstract: Method and system for providing information of an access point database are disclosed. In one embodiment, a method of providing information of an access point database comprises receiving a request to access an access point database from a mobile client, generating a segment of the access point database in accordance with at least an application requirement of the mobile client, and providing the segment of the access point database to the mobile client. The application requirement of the mobile client comprises precision level requested by the mobile client, and cache level of the mobile client. The method of generating a segment of the access point database comprises at least one of: generating the segment of the access point database in real-time, and providing the segment of the access point database previously generated and stored in the access point database.
    Type: Grant
    Filed: March 4, 2013
    Date of Patent: December 6, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Ferit Ozan Akgul, Weihua Gao, David Richard Coleman, Bruce Everett Wilson
  • Early arrival path detection
    Patent number: 9510268
    Abstract: Determining the early arrival path (EAP) based on a channel energy response (CER) can involve the use one or more masks to identify one or more peaks in the CER. Masks can be applied to the CER in an iterative process that can help identify the earliest peak corresponding to the EAP. Alias cancelation may also be implemented.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: November 29, 2016
    Assignee: QUALCOMM INCORPORATED
    Inventors: Guttorm Opshaug, Weihua Gao, Mayur Shah, Arash Mirbagheri, Borislav Ristic
  • METHODS AND SYSTEMS FOR COLLABORATIVE NAVIGATION AND OPERATION WITH A MOBILE DEVICE AND A WEARABLE DEVICE
    Publication number: 20160334220
    Abstract: Disclosed is an apparatus and method for collaborative navigation and operation on two mobile devices. The method may include establishing a wireless connection between a first mobile device and a second mobile device, and generating navigation data by the first mobile device for collaborative navigation based on a location of the first mobile device. The method may also include selecting a first subset of the navigation data for display by the first mobile device, and selecting a second subset of the navigation data for display by the second mobile device. The method may also include transferring the second subset of navigation data to the second mobile device and coordinating the display of the first subset of navigation data on the first mobile device with display of the second subset of navigation data on the second mobile device.
    Type: Application
    Filed: July 26, 2016
    Publication date: November 17, 2016
    Inventors: Sai Pradeep Venkatraman, Benjamin Werner, Weihua Gao
  • Techniques for determining movements based on sensor measurements from a plurality of mobile devices co-located with a person
    Patent number: 9497592
    Abstract: Example techniques are provided that may be implemented, at least in part, at a mobile device to determine certain parameters corresponding to movement of an object that is co-located with the mobile device and at least one other mobile device. In an example implementation, a mobile device may obtain measurements corresponding to sensors of a plurality of mobile devices co-located on an object, and determine at least one of an estimated speed of the object, an estimated heading of the object, or an estimated heading rate of the object based, at least in part, on all or a selected subset of the sensor measurements which are accepted for use.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: November 15, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Sai Pradeep Venkatraman, Weihua Gao, Benjamin A. Werner
  • TECHNIQUES FOR DETERMINING MOVEMENTS BASED ON SENSOR MEASUREMENTS FROM A PLURALITY OF MOBILE DEVICES CO-LOCATED WITH A PERSON
    Publication number: 20160330586
    Abstract: Example techniques are provided that may be implemented, at least in part, at a mobile device to determine certain parameters corresponding to movement of an object that is co-located with the mobile device and at least one other mobile device. In an example implementation, a mobile device may obtain measurements corresponding to sensors of a plurality of mobile devices co-located on an object, and determine at least one of an estimated speed of the object, an estimated heading of the object, or an estimated heading rate of the object based, at least in part, on all or a selected subset of the sensor measurements which are accepted for use.
    Type: Application
    Filed: July 19, 2016
    Publication date: November 10, 2016
    Inventors: Sai Pradeep Venkatraman, Weihua Gao, Benjamin A. Werner
  • Adaptive control of crowdsourcing data using mobile device generated parameters
    Patent number: 9491655
    Abstract: Method and apparatus for controlling crowdsourcing data are disclosed. The method may include comparing a set of access points detected in an area of a wireless environment by the mobile device to a set of known access points for the area, determining a level of crowdsourcing based at least in part on the comparison, where the level of crowdsourcing controls a quantity of crowdsourcing data to be collected, uploaded, or a combination thereof by the mobile device, and performing crowdsourcing, at least in part, in accordance with the determined level of crowdsourcing, where the determined level of crowdsourcing affects a frequency of crowdsourcing operations to be performed by the mobile device, a type of quantization to be applied to crowdsourcing data collected, or some combination thereof.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: November 8, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Weihua Gao, Sai Pradeep Venkatraman, Ju-Yong Do, Gengsheng Zhang
  • Assistance data cell selection based on interference estimates in a wireless communications system
    Patent number: 9491680
    Abstract: A method for assisting a mobile device to perform positioning measurements on positioning signals periodically transmitted by at least some of a plurality of cells in a wireless communication network includes determining an estimated position of the mobile device and then determining a first set of candidate cells of the plurality of cells based on the estimated position of the mobile device. The method also includes estimating an expected interference of each respective positioning signal that is transmitted by each candidate cell of the first set and selecting a subset of cells from the first set of candidate cells based on the estimated expected interference. Assistance data identifying the selected subset of cells is then generated and sent to the mobile device.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: November 8, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Mark Leo Moeglein, Guttorm R. Opshaug, Weihua Gao, Ferit Akgul
  • Methods, apparatuses, and devices for positioning mobile devices using measured receiver gain
    Patent number: 9491583
    Abstract: Methods, apparatuses, and devices are disclosed that may be used to estimate a location of a mobile device using, for example, one more receiver gains that may bring about adjustment of received signal strength indications of a radio heatmap. Such adjustment may allow a mobile device to accurately estimate a present location of a mobile device using, for example, a radio heatmap.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: November 8, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Sai Pradeep Venkatraman, GengSheng Zhang, Carlos H. Aldana, Weihua Gao
  • METHOD AND APPARATUS FOR PERFORMING SCAN OPERATIONS
    Publication number: 20160309406
    Abstract: Various methods, apparatuses and/or articles of manufacture are provided which may be implemented for use by a mobile device to alter a scan operation. Various methods, apparatuses and/or articles of manufacture are provided which may be implemented for use by one or more electronic devices to determine one or more scan factors for use by a mobile device in altering a scan operation.
    Type: Application
    Filed: June 29, 2016
    Publication date: October 20, 2016
    Inventors: Sai Pradeep Venkatraman, Saumitra Mohan Das, Weihua Gao, Vinay Sridhara
  • Methods and apparatuses for user-based positioning and assistance data
    Patent number: 9462413
    Abstract: Methods and apparatuses of providing assistance data of a venue to a mobile device are disclosed. According to aspects of the present disclosure, for the same area, multiple or different versions of assistance data may be generated. Restrictions may be applied by access area, such that positioning grid, heat maps, and maps can be restricted to certain sections of the venue; and point of interests (POIs) and search features may be provided based on at least one of user credentials, time-based restrictions, ticket-based restrictions, or loyalty-based restrictions, or any combination thereof.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: October 4, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Sai Pradeep Venkatraman, Saumitra Mohan Das, Weihua Gao, Vinay Sridhara
  • Tiered positioning assistance data for mobile devices within an indoor environment
    Patent number: 9442179
    Abstract: Various methods, apparatuses and/or articles of manufacture are provided which may be implemented in one or more electronic devices supporting mobile device positioning within an indoor environment. Tiered positioning assistance data (tiered-PAD) corresponding to an indoor environment may be generated and/or distributed. Mobile device positioning and/or navigation capabilities may be based, at least in part, on tiered-PAD corresponding to the indoor environment. Tiered-PAD may be provided to a plurality of mobile devices. A given mobile device may, for example, select applicable portion(s) of tiered-PAD to affect one or more positioning functions and/or the like which may be performed, at least in part, by the mobile device.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: September 13, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Ju-Yong Do, Stephen J. Beauregard, Weihua Gao, Sai Pradeep Venkatraman, Amir A. Emadzadeh, Sundar Raman, Gengsheng Zhang
  • Methods and systems for collaborative navigation and operation with a mobile device and a wearable device
    Patent number: 9441976
    Abstract: Disclosed is an apparatus and method for collaborative navigation and operation on two mobile devices. The method may include establishing a wireless connection between a first mobile device and a second mobile device, and generating navigation data by the first mobile device for collaborative navigation based on a location of the first mobile device. The method may also include selecting a first subset of the navigation data for display by the first mobile device, and selecting a second subset of the navigation data for display by the second mobile device. The method may also include transferring the second subset of navigation data to the second mobile device and coordinating the display of the first subset of navigation data on the first mobile device with display of the second subset of navigation data on the second mobile device.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: September 13, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Sai Pradeep Venkatraman, Benjamin A. Werner, Weihua Gao
  • MANAGING ACTIVITIES PERFORMED BY A PLURALITY OF COLLOCATED MOBILE DEVICES
    Publication number: 20160261969
    Abstract: Systems and methods for managing activities among collocated mobile devices include means for determining a set of tasks to be performed collectively by the two or more collocated mobile devices while collocated and during a period of time in the future, the two or more collocated devices being configured to communicate with one another; means for assigning a first task of the set of tasks to be performed by a first mobile device of the two or more collocated mobile devices; and means for assigning a second task of the set of tasks to be performed by a second mobile device of the two or more collocated mobile devices; wherein the first mobile device and the second mobile device are different from one another with regard to at least one subsystem, and are each capable of performing the first task and the second task.
    Type: Application
    Filed: May 6, 2016
    Publication date: September 8, 2016
    Inventors: Sai Pradeep VENKATRAMAN, Benjamin Alfred WERNER, Weihua GAO
  • Method and apparatus for network based positioning (NBP)
    Patent number: 9433010
    Abstract: Systems and methods of network based positioning include a server configured to assign priority levels to mobile devices locatable within the network, and allocate network resources for network based positioning of the locatable mobile devices, based on the corresponding priority levels assigned to the mobile devices. The server may further be configured to admit only a selected subset of the locatable mobile devices into the network for purposes of network based positioning and deny admission to the remaining locatable mobile devices, wherein the selected subset can be determined based on an attribute of the mobile device and/or a characteristic of the user of the mobile device.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: August 30, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Saumitra Mohan Das, Sai Pradeep Venkatraman, Weihua Gao, Vinay Sridhara
  • System and method for deploying an RTT-based indoor positioning system
    Patent number: 9432882
    Abstract: The present disclosure describes methods, systems, computer-readable media, and apparatuses for evaluating the suitability of AP signaling for RTT-based location calculation. Various evaluation methods are disclosed to enable the signaling to be tested for consistency and reliability. An AP may be analyzed by a mobile device or other communications mechanism to determine whether the AP is suitable for RTT-based location signaling. A mobile device receives multiple signals from an evaluated AP at various locations in the indoor area, and derives RTT data from the signals. The RTT data is analyzed to determine whether RTT data from the AP should be used by mobile devices in the process of calculating their location.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: August 30, 2016
    Assignee: QUALCOMM INCORPORATED
    Inventors: Amir Abbas Emadzadeh, Sai Pradeep Venkatraman, Weihua Gao
  • PROXIMITY BASED DEVICE USAGE
    Publication number: 20160242000
    Abstract: A method of performing functions by proxy for a set of associated proximate devices is disclosed. In some embodiments, the method may comprise associating a set of user equipments (UEs), wherein upon determination that a first UE in the set is unavailable for performing a requested function, at least one alternate second UE in the associated set of UEs is selected, wherein the at least one second UE is proximate to the first UE and the at least one second UE is available for performing the requested function. The performance of the requested function on the at least one second UE is initiated.
    Type: Application
    Filed: February 13, 2015
    Publication date: August 18, 2016
    Inventors: Sai Pradeep VENKATRAMAN, Weihua GAO, Benjamin WERNER, Arnold Jason GUM
  • WWAN almanac integrity monitoring system
    Patent number: 9414254
    Abstract: Method, apparatus and computer program product for monitoring wireless wide area network almanac integrity in a wireless wide area network are disclosed. In one embodiment, the method comprises receiving crowdsourcing data from a plurality of mobile devices, determining a change to a wireless wide area network almanac using the crowdsourcing data, and updating a database in accordance with the change to the wireless wide area network almanac.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: August 9, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Weihua Gao, Sai Pradeep Venkatraman, Gengsheng Zhang, Mark L. Moeglein
  • Location assistance information determination
    Patent number: 9414188
    Abstract: Methods and apparatus are described for providing location assistance information to a mobile device. An example of a method for providing location assistance information to the mobile device by a femto base station includes receiving a macro base station signal during a monitoring time period during which the femto base station is substantially stationary, obtaining location assistance information, the location assistance information being based, at least in part, on the received macro base station signal, and transmitting the location assistance information to the mobile device.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: August 9, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Weihua Gao, Benjamin A. Werner, Guttorm R. Opshaug, Sai Pradeep Venkatraman, Mayur N. Shah