Patents by Inventor Prashanth Hande

Prashanth Hande 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: 8514692
    Abstract: Methods and apparatus for collecting, measuring, reporting and/or using information which can be used for interference control purposes. Wireless terminals measure signals transmitted from one or more base stations, e.g., base station sector transmitters. The measured signals may be, e.g., beacon signals and/or pilot signals. From the measured signals, the wireless terminal generates one or more gain ratios which provide information about the relative gain of the communications channels from different base station sectors to the wireless terminal. This information represents interference information since it provides information about the signal interference that will be caused by transmissions from other base station sectors relative to transmissions made by the base station sector to which the wireless terminal is attached.
    Type: Grant
    Filed: October 14, 2005
    Date of Patent: August 20, 2013
    Assignee: QUALCOMM Incorporated
    Inventors: Rajiv Laroia, Junyi Li, Sundeep Rangan, Murari Srinivasan, Prashanth Hande
  • Patent number: 8503938
    Abstract: A wireless terminal receives and measures broadcast reference signals, e.g., beacon and/or pilot signals, transmitted from a plurality of base station attachment points. The wireless terminal monitors for and attempts to recover broadcast loading factor information corresponding to attachment points. The wireless terminal generates and transmits an interference report to a current attachment point, the report based on the results of a measured received reference signal from the current attachment point, a measured received reference signal from each of one or more different attachment points, and uplink loading factor information. In the absence of a successfully recovered broadcast uplink loading factor corresponding to an attachment point, the wireless terminal uses a default value for that loading factor.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: August 6, 2013
    Assignee: QUALCOMM Incorporated
    Inventors: Rajiv Laroia, Junyi Li, Sundeep Rangan, Murari Srinivasan, Prashanth Hande, Arnab Das
  • Patent number: 8477683
    Abstract: The claimed subject matter relates to configuring a host device through utilization of MMP, which is a protocol that is based upon MIP but not associated with several deficiencies associated therewith. In particular, a wireless terminal can be configured to run MMP and send messages that conform to MMP over a wireless link. A base station can be configured to act as a DHCP server. The base station can provide configuration information to host device by way of DHCP.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: July 2, 2013
    Assignee: QUALCOMM Incorporated
    Inventors: Rajiv Laroia, Prasanna Nadhamuni, Rick Dynarski, George Tsirtsis, Vincent D. Park, M. Scott Corson, Pablo Anigstein, Prashanth Hande
  • Patent number: 8442529
    Abstract: Methods and apparatus for making handoff decisions in an access terminal which can support both best effort and QoS traffic, e.g., when operating in a best effort and QoS mode of operation, respectively, are described. The access terminal receives an indicator indicating the fraction of communications resources not utilized for QoS service and information indicating a number of best effort users being supported by the attachment point. During QoS mode operation, connections to attachment points which can support the access terminal's minimal QoS requirements are identified and then from among the identified set, the attachment point which can provide a connect supporting the most best effort traffic from the access terminal is selected. In best effort mode operation the access terminal selects the attachment point connection which will provide the greatest amount of throughput to the access terminal for best effort traffic.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: May 14, 2013
    Assignee: QUALCOMM Incorporated
    Inventors: Shailesh Patil, Prashanth Hande, Hyung Myung
  • Patent number: 8411646
    Abstract: Systems and methodologies are described that facilitate scheduling uplink transmissions. For instance, a time sharing scheme can be utilized such that differing mobile devices can be scheduled to transmit during differing time slots; however, it is also contemplated that a static scheme can be employed. Pursuant to an illustration, an interference budget can be combined with a time varying weighting factor associated with a base station; the weighting factor can be predefined and/or adaptively adjusted (e.g., based upon a load balancing mechanism). Moreover, the weighted interference budget can be leveraged for selecting mobile devices for uplink transmission (e.g., based at least in part upon path loss ratios of the mobile devices). Further, disparate interference budgets can be utilized by differing channels of a sector at a particular time. Also, for example, a base station can assign a loading factor to be utilized by wireless terminal(s) for generating channel quality report(s).
    Type: Grant
    Filed: November 20, 2007
    Date of Patent: April 2, 2013
    Assignee: QUALCOMM Incorporated
    Inventors: Xinzhou Wu, Sundeep Rangan, Prashanth Hande, Arnab Das, Junyi Li
  • Patent number: 8320928
    Abstract: Systems and methodologies are described that facilitate scheduling uplink transmissions. For instance, a time sharing scheme can be utilized such that differing mobile devices can be scheduled to transmit during differing time slots; however, it is also contemplated that a static scheme can be employed. Pursuant to an illustration, an interference budget can be combined with a time varying weighting factor associated with a base station; the weighting factor can be predefined and/or adaptively adjusted (e.g., based upon a load balancing mechanism). Moreover, the weighted interference budget can be leveraged for selecting mobile devices for uplink transmission (e.g., based at least in part upon path loss ratios of the mobile devices). Further, disparate interference budgets can be utilized by differing channels of a sector at a particular time. Also, for example, a base station can assign a loading factor to be utilized by wireless terminal(s) for generating channel quality report(s).
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: November 27, 2012
    Assignee: QUALCOMM Incorporated
    Inventors: Xinzhou Wu, Sundeep Rangan, Prashanth Hande, Arnab Das, Junyi Li
  • Patent number: 8315662
    Abstract: Systems and methodologies are described that facilitate controlling transmission power of a wireless terminal. A downlink power control channel segment may include an Orthogonal Frequency Division Multiplexing (OFDM) tone-symbol that may comprise a first component and a second component. The first component may be an in-phase (I) component and the second component may be a quadrature (Q) component, for example. A power command may be transmitted in the first component. Further, information associated with a wireless terminal may be transmitted in the second component. The information associated with the wireless terminal may be, for instance, a portion of a scrambling mask associated with the wireless terminal.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: November 20, 2012
    Assignee: QUALCOMM Incorporated
    Inventors: Pablo Alejandro Anigstein, Prashanth Hande, Junyi Li
  • Patent number: 8285283
    Abstract: Method and apparatus for an access terminal which makes handoff decisions between a number of potential alternative attachment points based on service level indicating metrics are described. The access terminal computes a service level indicating metric differently for a current connection than for a potential alternative connection. A service level indicating metric is a function of loading information and received signal strength. A selection may be made by selecting between attachment points by selecting the attachment point having the highest service level indicating metric from among a plurality of attachment points, one per possible carrier where the attachment point which is considered for a given carrier is the one having the best connection for the given carrier. The access terminal handoff decision approach provides handoff decisions which are nearly as optimal as those which can be achieved using a centralized control node but without the requirement for centralized handoff decisions.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: October 9, 2012
    Assignee: QUALCOMM Incorporated
    Inventors: Prashanth Hande, Pablo Alejandro Anigstein, Shailesh Patil, Yunus Hussain, Hyung G. Myung
  • Publication number: 20120214527
    Abstract: A method of wireless communication includes intercepting a request from an application desiring use of communication resources. The intercepted request is held and is then evaluated to determine whether the held request can be released. The held request is released based on the outcome of the evaluation.
    Type: Application
    Filed: November 3, 2011
    Publication date: August 23, 2012
    Applicant: QUALCOMM Incorporated
    Inventors: Arnaud Meylan, Jay Kumar Sundararajan, Gerardo Giaretta, Prashanth Hande, Arvind V. Santhanam, Satashu Goel
  • Publication number: 20120147759
    Abstract: The apparatus and methods described herein are used to provide a communication quality feedback of an end-to-end communication path between an application transmitter and an application receiver. One method includes transmitting data from the application transmitter to the application receiver via the end-to-end communication path, the end-to-end communication path having at least one wireless link with a wireless transmitter and a wireless receiver, generating, at the wireless transmitter, a first communication quality feedback message, and transmitting the first communication quality feedback message from the wireless transmitter to the application transmitter in a standardized format.
    Type: Application
    Filed: December 9, 2010
    Publication date: June 14, 2012
    Applicant: QUALCOMM Incorporated
    Inventors: Niranjan N. Ratnakar, Prashanth Hande, Sundeep Rangan, Atul Maharshi, Subhadeep P. Roy, Ritesh K. Madan, Ozge Koymen, Siddharth Ray
  • Publication number: 20120147936
    Abstract: The apparatus and methods described herein are used to provide data between an application and a modem. One method includes providing data in application data units from the application to the modem, transmitting the data from the modem to a receiver, and reporting by the modem to the application, whether each application data unit has been successfully transmitted from the modem to the receiver.
    Type: Application
    Filed: December 9, 2010
    Publication date: June 14, 2012
    Applicant: QUALCOMM Incorporated
    Inventors: Sundeep Rangan, Prashanth Hande, Niranjan N. Ratnakar, Ozge Koymen, Ritesh K. Madan, Atul Maharshi, Subhadeep P. Roy, Siddharth Ray
  • Patent number: 8184615
    Abstract: Methods and apparatus for establishing communication links, used to support communications sessions with one or more end nodes, e.g., mobile devices, are described. Various features are directed to a mobile node controlling the establishment of initial links to a first access node and the establishment of new links from a first access node to a second access node during a handoff operation using highly efficient messages and signal.
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: May 22, 2012
    Assignee: QUALCOMM Incorporated
    Inventors: George Tsirtsis, M. Scott Corson, Vincent Park, Rajiv Laroia, Pablo Anigstein, Richard J. Dynarski, Matthew Impett, Prashanth Hande, Prasanna Nadhamuni
  • Publication number: 20120113862
    Abstract: In an embodiment, a user of a wireless communications device (WCD) is notified when operating in a serving area of a FEMTO access point (AP). In another embodiment, the WCD can notify an application server (AS) that the WCD is served by the FEMTO AP. In another embodiment, the AS can set a service level for a server-arbitrated communication session (CS) based on the FEMTO AP serving status of participating WCDs. In another embodiment, the FEMTO AP can determine to use a downlink control or signaling channel to transmit data to the WCD. In another embodiment, based on its serving FEMTO AP status, the WCD can (i) modify its participation level in the CS and/or (ii) selectively track usage. In another embodiment, the WCD or FEMTO AP can measure performance parameters of the CS to determine whether to trigger a handoff of the WCD to a different AP.
    Type: Application
    Filed: November 4, 2010
    Publication date: May 10, 2012
    Applicant: QUALCOMM Incorporated
    Inventors: Arvind V. Santhanam, Karthika Paladugu, Prashanth Hande
  • Patent number: 8160007
    Abstract: Systems and methodologies are described that facilitate scheduling uplink transmissions. For instance, a time sharing scheme can be utilized such that differing mobile devices can be scheduled to transmit during differing time slots; however, it is also contemplated that a static scheme can be employed. Pursuant to an illustration, an interference budget can be combined with a time varying weighting factor associated with a base station; the weighting factor can be predefined and/or adaptively adjusted (e.g., based upon a load balancing mechanism). Moreover, the weighted interference budget can be leveraged for selecting mobile devices for uplink transmission (e.g., based at least in part upon path loss ratios of the mobile devices). Further, disparate interference budgets can be utilized by differing channels of a sector at a particular time. Also, for example, a base station can assign a loading factor to be utilized by wireless terminal(s) for generating channel quality report(s).
    Type: Grant
    Filed: November 20, 2007
    Date of Patent: April 17, 2012
    Assignee: QUALCOMM Incorporated
    Inventors: Xinzhou Wu, Sundeep Rangan, Prashanth Hande, Arnab Das, Junyi Li
  • Patent number: 8160602
    Abstract: Systems and methodologies are described that facilitate scheduling uplink transmissions. For instance, a time sharing scheme can be utilized such that differing mobile devices can be scheduled to transmit during differing time slots; however, it is also contemplated that a static scheme can be employed. Pursuant to an illustration, an interference budget can be combined with a time varying weighting factor associated with a base station; the weighting factor can be predefined and/or adaptively adjusted (e.g., based upon a load balancing mechanism). Moreover, the weighted interference budget can be leveraged for selecting mobile devices for uplink transmission (e.g., based at least in part upon path loss ratios of the mobile devices). Further, disparate interference budgets can be utilized by differing channels of a sector at a particular time. Also, for example, a base station can assign a loading factor to be utilized by wireless terminal(s) for generating channel quality report(s).
    Type: Grant
    Filed: November 20, 2007
    Date of Patent: April 17, 2012
    Assignee: QUALCOMM Incorporated
    Inventors: Xinzhou Wu, Sundeep Rangan, Prashanth Hande, Arnab Das, Junyi Li
  • Patent number: 8139660
    Abstract: User specific modulation-symbol scrambling is implemented for various uplink segments, e.g., uplink traffic acknowledgement channel (ULTACH), uplink state request channel (ULSRCH), and uplink dedicated control channel (ULDCCH) segments. A wireless terminal is assigned a wireless terminal scrambling identifier. A set of ordered input modulation symbols are determined for an uplink dedicated segment to which user specific scrambling is to be applied. One bit of the assigned wireless terminal scrambling identifier is associated with each of the ordered input modulation symbols of a segment in accordance with a predetermined mapping. For each input modulation symbol a scrambling operation, e.g., a phase rotation of the input modulation symbol, is performed as a function of the associated user specific scrambling identifier bit to obtain a corresponding output modulation symbol. A value of (0,1) for a scrambling ID bit is associated with a (first, second) amount of phase rotation, e.g.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: March 20, 2012
    Assignee: QUALCOMM Incorporated
    Inventors: Pablo Anigstein, Prashanth Hande, Junyi Li, Rajiv Laroia, Sathyadev Venkata Uppala
  • Patent number: 8116805
    Abstract: Systems and methodologies are described that facilitate scheduling transmission, upon an uplink traffic channel in Orthogonal Frequency Division Multiplexing (OFDM) environments. Uplink scheduling may include user selection and rate selection. Further, user selection may be based on a token mechanism that provides control over fairness of allocation to disparate users. Moreover, rate selection may be based upon considerations of uplink interference mitigation.
    Type: Grant
    Filed: December 17, 2006
    Date of Patent: February 14, 2012
    Assignee: QUALCOMM Incorporated
    Inventors: Arnab Das, Prashanth Hande, Sundeep Rangan, Xinzhou Wu
  • Publication number: 20110310879
    Abstract: Systems and methodologies are described that facilitate scheduling uplink transmissions. For instance, a time sharing scheme can be utilized such that differing mobile devices can be scheduled to transmit during differing time slots; however, it is also contemplated that a static scheme can be employed. Pursuant to an illustration, an interference budget can be combined with a time varying weighting factor associated with a base station; the weighting factor can be predefined and/or adaptively adjusted (e.g., based upon a load balancing mechanism). Moreover, the weighted interference budget can be leveraged for selecting mobile devices for uplink transmission (e.g., based at least in part upon path loss ratios of the mobile devices). Further, disparate interference budgets can be utilized by differing channels of a sector at a particular time. Also, for example, a base station can assign a loading factor to be utilized by wireless terminal(s) for generating channel quality report(s).
    Type: Application
    Filed: August 26, 2011
    Publication date: December 22, 2011
    Applicant: QUALCOMM Incorporated
    Inventors: Xinzhou Wu, Sundeep Rangan, Prashanth Hande, Arnab Das, Junyi Li
  • Patent number: 8036151
    Abstract: Systems and methodologies are described that facilitate utilizing power-based rate signaling for uplink scheduling in a wireless communications system. A maximum nominal power (e.g., relative maximum transmit power that may be employed on an uplink) may be known to both a base station and a mobile device. For example, the base station and the mobile device may agree upon a maximum nominal power. According to another example, signaling related to a maximum nominal power for utilization on the uplink may be provided over a downlink. Further, selection of a code rate, modulation scheme, and the like for the uplink may be effectuated by a mobile device as a function of the maximum nominal power. Moreover, such selection may be based at least in part upon an interference cost, which may be evaluated by the mobile device.
    Type: Grant
    Filed: December 17, 2006
    Date of Patent: October 11, 2011
    Assignee: QUALCOMM Incorporated
    Inventors: Arnab Das, Prashanth Hande, Sundeep Rangan, Xinzhou Wu, Juergen Cezanne
  • Publication number: 20110142150
    Abstract: Systems and methodologies are described that facilitate controlling transmission power of a wireless terminal. A downlink power control channel segment may include an Orthogonal Frequency Division Multiplexing (OFDM) tone-symbol that may comprise a first component and a second component. The first component may be an in-phase (I) component and the second component may be a quadrature (Q) component, for example. A power command may be transmitted in the first component. Further, information associated with a wireless terminal may be transmitted in the second component. The information associated with the wireless terminal may be, for instance, a portion of a scrambling mask associated with the wireless terminal.
    Type: Application
    Filed: February 25, 2011
    Publication date: June 16, 2011
    Applicant: QUALCOMM Incorporated
    Inventors: Pablo Anigstein, Prashanth Hande, Junyi Li