Patents by Inventor Saumitra Mohan Das

Saumitra Mohan Das 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).

  • Patent number: 9743241
    Abstract: Systems, apparatus and methods for estimating a location of a mobile device are presented. Before computing a location estimate, the mobile device groups a plurality of access points into two or more categories (for example, a first list of access points having a first characteristic and a second list of access points having a second characteristic). Round-trip time (RTT) measurements are computed for access points in the first list. A Short Interframe Space (SIFS) value may be determined for each access point in the first list or generally SIFT representing the first list as a whole. The RTT measurements are compensated with the appropriate SIFS value. The mobile device then computes its location or position fix estimate using the compensated RTT values while excluding less accurate RTT values from other access points. As a result, the location estimate eliminates adverse influent from some access points.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: August 22, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Sai Pradeep Venkatraman, Vinay Sridhara, Saumitra Mohan Das, Weihua Gao
  • Patent number: 9689685
    Abstract: Techniques are provided which may be implemented using various methods and/or apparatuses to allow for delay zone information to be gathered by one or more mobile stations used in route navigation, provided to one or more computing devices and processed in some manner to establish navigation information that may be of use by mobile stations involved in route navigation. For example, in certain instances navigation information may be indicative of an expected delay with regard to at least one known delay zone that may affect a user of the mobile station attempting to adhere to a route.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: June 27, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Rajarshi Gupta, Saumitra Mohan Das
  • Patent number: 9661440
    Abstract: An example method of synchronizing application data between a mobile device and a remote computing device includes for each network of one or more networks, collecting network data regarding a mobile device's current connectivity state to the respective network. The mobile device includes one or more mobile applications including application data. The method also includes detecting, at the mobile device, a current connection to a current network. The method further includes comparing one or more opportunity scores for synchronizing application data. The one or more opportunity scores includes an opportunity score for the current network. Each opportunity score is associated with a particular network. The method also includes determining, based on the comparing, whether the current network is a good opportunity network for syncing mobile application data.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: May 23, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Priyanka Tembey, Saumitra Mohan Das, Dilma Da Silva, Vrajesh Bhavsar
  • Publication number: 20170134405
    Abstract: Various embodiments include a honeypot system configured to trigger malicious activities by malicious applications using a behavioral analysis algorithm and dynamic resource provisioning. A method performed by a processor of a computing device, which may be a mobile computing device, may include determining whether or not a target application currently executing on the computing device is potentially malicious based, at least in part, on the analysis, predicting a triggering condition of the target application in response to determining the target application is potentially malicious, provisioning one or more resources based, at least in part, on the predicted triggering condition, monitoring activities of the target application corresponding to the provisioned one or more resources, and determining whether or not the target application is a malicious application based, at least in part, on the monitored activities. The resources may be device components (e.g., network interface(s), sensor(s), etc.
    Type: Application
    Filed: November 9, 2015
    Publication date: May 11, 2017
    Inventors: Seyed Ali Ahmadzadeh, Nayeem Islam, Mihai Christodorescu, Rajarshi Gupta, Saumitra Mohan Das
  • Patent number: 9648458
    Abstract: Methods, systems, computer-readable media, and apparatuses for labeling crowd sourced data are presented. In some embodiments, a method for labeling crowd sourced data may include: receiving an atmospheric pressure signal from a mobile device associated with a venue, the mobile device comprising an atmospheric pressure sensor; clustering a plurality of atmospheric pressure signals from a plurality of mobile devices associated with the venue into a plurality of clusters; assigning a label to each of the plurality of clusters; receiving signal measurements from one or more of the plurality of mobile devices; and applying the label to the signal measurement.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: May 9, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Faraz Mohammad Mirzaei, Saumitra Mohan Das, Lionel Jacques Garin
  • Publication number: 20170126704
    Abstract: Method and devices of detecting a malware infection of a computing device in a communication network are disclosed. A computing device may monitor outputs of temperature sensors associated with elements of the computing device. The monitored outputs of the temperature sensors may be compared to a profile of temperatures associated with normal operation of the computing device. A deviation of the monitored temperatures from the profile of temperatures associated with normal operation may be reported. The profile of temperatures associated with the normal operation of the computing device may be learned based on temperature sensor data obtained during normal operations. Learning the profile of temperatures may include monitoring outputs of temperature sensors associated with elements of the computing device during normal operation of the computing device and storing the monitored outputs as one or more profiles of temperatures associated with normal operation of the computing device.
    Type: Application
    Filed: October 28, 2015
    Publication date: May 4, 2017
    Inventors: Sriram Nandha Premnath, Saumitra Mohan Das, Rajarshi Gupta
  • Patent number: 9609469
    Abstract: Systems, apparatus and methods for determining a location of a mobile device are presented. Often a mobile device requests assistance data from a location server. If the mobile device expects a significant delayed response in receiving the assistance data, the mobile device may determine a seed location or rough location estimate from a server. The mobile device may also request a map to display and/or a data structure for its estimator. The mobile device may preload the estimator with the rough location estimate and/or the data structure. After preloading, the estimator determines a location of the mobile device. Also, the mobile device may show the map to a user via a display.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: March 28, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Behrooz Khorashadi, Faraz Mohammad Mirzaei, Saumitra Mohan Das
  • Patent number: 9600930
    Abstract: Methods and devices are described for optimizing display of information such as map data on a mobile device. Certain embodiments may include receiving, at a mobile device, a first and second set of placement data associated with a first and second object. The mobile device may then determine overlap between a representation of the first object and the second object in a rendering of an image comprising the representation of the first object and the second object, using a set of viewing parameters, the first set of placement data and the second set of placement data. The set of viewing parameters may be adjusted to reduce overlap between the representation of the first object and the second object in the rendering of the image. In additional embodiments, 3D enhancements to two-dimensional map objects may be added to enhance the presentation of the information.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: March 21, 2017
    Assignee: QUALCOMM INCORPORATED
    Inventors: Jiajian Chen, Saumitra Mohan Das, Hui Chao
  • Patent number: 9589401
    Abstract: Methods and devices are described for providing localized secure navigation in conjunction with near field communication access control systems. In one potential embodiment, a mobile device such as a cell phone may communicate with a door access control point using near field communication to receive location access system information. The mobile device may then authorize download and execution of a local secure navigation module from a location access system using the location access system information for use in receiving location assistance data, based on an authentication level associated with the mobile device. Such location assistance data may be used by the local secure navigation module to provide location assistance when the mobile device is in a secure location. The location of the mobile device may then be tracked using at least the location assistance data and the communication with the door access control point.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: March 7, 2017
    Assignee: QUALCOMM INCORPORATED
    Inventors: Hui Chao, Jiajian Chen, Saumitra Mohan Das, Ayman Fawzy Naguib
  • Patent number: 9582720
    Abstract: In one implementation, a method may comprise: determining a topological representation of an indoor portion of a building based, at least in part, on positions or number of lines in an image of the indoor portion of the building; and comparing the topological representation to one or more stored topological representations, for example in a digital map of the building, to determine a potential position of the indoor portion of the building.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: February 28, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Rajarshi Gupta, Saumitra Mohan Das, Hui Chao, Ayman Fawzy Naguib
  • Patent number: 9565649
    Abstract: Disclosed are implementations, including a method, performed at a processor-based mobile device, that includes receiving at the mobile device antenna information for a wireless node, including a transmitter gain for the wireless node in at least one message transmitted to the mobile device. The at least one message includes, a beacon frame message, a fine timing measurement (FTM) protocol-based message, and/or an assistance data message transmitted from a remote central repository. The method also includes deriving an estimate of a receiver gain for a receiver of the mobile device based, at least in part, on the transmitter gain for the wireless node, and adjusting one or more signal strength values determined for signals received from the wireless node based on the estimate of the receiver gain of the receiver of the mobile device derived based, at least in part, on the transmitter gain for the wireless node.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: February 7, 2017
    Assignee: QUALCOMM INCORPORATED
    Inventors: Sai Pradeep Venkatraman, Subash Marri Sridhar, Saumitra Mohan Das, Carlos Horacio Aldana
  • Publication number: 20170026859
    Abstract: Various aspects include methods for profiling access points for a mobile communication device that includes a modem controlling a first radio access technology (RAT) and a second RAT. The device modem may establish a first level of communications with a potential network access point and obtain a first set of observed parameters of the potential network access point through the first level of communications. The modem may determine whether the first set of observed parameters of the potential network access point matches expected parameters for a network access point, and establish a second level of communications with the potential network access point in response to determining that the first set of observed parameters matches expected parameters of the network access point.
    Type: Application
    Filed: July 23, 2015
    Publication date: January 26, 2017
    Inventors: Seyed Ali Ahmadzadeh, Saumitra Mohan Das, Rajarshi Gupta
  • 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
  • Patent number: 9544798
    Abstract: Various aspects include methods for profiling access points for a mobile communication device that includes a modem controlling a first radio access technology (RAT) and a second RAT. The device modem may establish a first level of communications with a potential network access point and obtain a first set of observed parameters of the potential network access point through the first level of communications. The modem may determine whether the first set of observed parameters of the potential network access point matches expected parameters for a network access point, and establish a second level of communications with the potential network access point in response to determining that the first set of observed parameters matches expected parameters of the network access point.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: January 10, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Seyed Ali Ahmadzadeh, Saumitra Mohan Das, Rajarshi Gupta
  • Patent number: 9544923
    Abstract: Described are devices, methods, techniques and systems for locating a portable services access transceiver (PSAT) for use in aiding emergency “911” services. In one implementation, one or more conditions indicative of movement of a PSAT may initiate a process for obtaining a new estimated location of the PSAT. In another implementation, a location of a PSAT may be determined or updated using indoor navigation techniques.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: January 10, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Rajarshi Gupta, Saumitra Mohan Das, Douglas Neal Rowitch, Vinay Sridhara
  • Publication number: 20170006430
    Abstract: Methods and systems for providing information associated with a location history of a mobile device to one or more applications are disclosed. A mobile device generates one or more location history records based on one or more locations of the mobile device, each location history record comprising one or more points of interest and a duration at the one or more points of interest, receives an information request from at least one application, determines a subset of the one or more location history records that meet criteria from the information request, determines a level of permission for the at least one application based on the information request and the subset of the one or more location history records, and provides information associated with the subset of the one or more location history records to the at least one application based on the level of permission.
    Type: Application
    Filed: July 2, 2015
    Publication date: January 5, 2017
    Inventors: Hui CHAO, Saumitra Mohan DAS, Yin CHEN
  • Publication number: 20160381057
    Abstract: Systems, methods, and devices of the various aspects enable identification of anomalous application behavior. A computing device processor may detect network communication activity of an application on the computing device. The processor may identify one or more device states of the computing device, and one or more categories of the application. The processor may determine whether the application is behaving anomalously based on a correlation of the detected network communication activity of the application, the identified one or more device states of the computing device, and the identified one or more categories of the application.
    Type: Application
    Filed: June 29, 2015
    Publication date: December 29, 2016
    Inventors: Saumitra Mohan Das, Mona Mahmoudi, Vinay Sridhara, Rajarshi Gupta, Yin Chen
  • Patent number: 9521143
    Abstract: A gateway device may control access to content based, at least in part, on an audience that will consume the content. In relation to a request for content to be delivered to a media output device, the gateway device may obtain biometric data from one or more trait capture devices having a physical relation to the media output device. The gateway can determine the potential audience of the content and enforce content restrictions based on the audience. The content restrictions may be based on one or more content attributes about the content and one or more audience traits about the audience. The gateway may use thresholds associated with the audience trait to determine whether the content attribute is appropriate for the audience. The threshold or a combination of thresholds may provide for granular control of access to content.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: December 13, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Priyanka Tembey, Saumitra Mohan Das, Hui Chao
  • Patent number: 9502909
    Abstract: Exemplary embodiments are directed to wireless power management. A method may include detecting one or more wireless chargers for charging an energy storage device of one or more monitored energy storage devices if the energy storage device drops below a threshold value. Moreover, the method may include selecting a charging scheme for an electronic device associated with the energy storage device.
    Type: Grant
    Filed: August 11, 2010
    Date of Patent: November 22, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Khaled Helmi El-Maleh, Yair Karmi, Sandip S. Minhas, Srinivas Raghavan, Peng Li, David Maldonado, MaryBeth Selby, Saumitra Mohan Das
  • Publication number: 20160337792
    Abstract: Systems, apparatus and methods for selecting a base station or a set of base stations for RTT measurements, or other interactive radio localization technique, to determine a position fix of a device are presented. The method imposes a processing load on only inactive or less active base stations. Busy or busier base stations are not used in the interactive radio localization technique. By imposing a processing load on only less active base stations, transmitting devices may be under loaded and encounter a more uniform processing delay, and thus provide a more accurate measurement resulting in a more accurate position fix.
    Type: Application
    Filed: May 11, 2015
    Publication date: November 17, 2016
    Inventors: Vrajesh BHAVSAR, Yin Chen, Saumitra Mohan Das