Patents by Inventor Srinivasan Rajagopalan

Srinivasan Rajagopalan 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).

  • Publication number: 20180063878
    Abstract: In device-to-device (D2D) communication in a licensed spectrum, selection of a transmit pool and distribution of codes to be transmitted to the transmit pools for more efficient transmission is desired, for a given period. The apparatus may a user equipment (UE) for D2D communication in a licensed spectrum. The UE sets a discovery epoch to a shortest discovery period among discovery periods of a plurality of transmit resource pools, each transmit resource pool of the plurality of transmit resource pools associated with a respective frequency. The UE estimates a channel utilization of each transmit resource pool of the plurality of transmit resource pools based on one or more previous transmissions on each transmit resource pool of the plurality of transmit resource pools. The UE selects a transmit resource pool among the plurality of transmit resource pools for a D2D transmission within the discovery epoch based on the estimated channel utilizations.
    Type: Application
    Filed: August 23, 2016
    Publication date: March 1, 2018
    Inventors: Daniel AMERGA, Arvind SANTHANAM, Ashish IYER, Shailesh MAHESHWARI, Srinivasan RAJAGOPALAN, Srinivasan BALASUBRAMANIAN, Scott HOOVER
  • Publication number: 20180061049
    Abstract: Computer-aided methods and computer-based systems designed to elicit information from imaging data of a volume of in vivo tissue to facilitate clinical determinations and/or pathological evaluation.
    Type: Application
    Filed: November 3, 2017
    Publication date: March 1, 2018
    Inventors: Richard A. Robb, Srinivasan Rajagopalan, Ronald A. Karwoski, Brian J. Bartholmai
  • Publication number: 20180027559
    Abstract: Device-to-device operations are scheduled based on receive and transmit pools that may have a conflict in time domain. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus for resolving time domain conflict in device-to-device communication are provided. The apparatus may compute a first block rate metric for a first device-to-device communication on a first frequency and a second block rate metric for a second device-to-device communication on a second frequency. The apparatus may detect a time-domain conflict between the first device-to-device communication on the first frequency and the second device-to-device communication on the second frequency. The apparatus may prioritize the first device-to-device communication on the first frequency and the second device-to-device communication on the second frequency based on the first block rate metric and the second block rate metric.
    Type: Application
    Filed: July 20, 2016
    Publication date: January 25, 2018
    Inventors: Ashish IYER, Arvind SANTHANAM, Srinivasan BALASUBRAMANIAN, Daniel AMERGA, Scott HOOVER, Cheol Hee PARK, Srinivasan RAJAGOPALAN, Shailesh MAHESHWARI, Reza SHAHIDI
  • Publication number: 20170353893
    Abstract: Examples described herein relate to managing communications for a first subscription and a second subscription of a wireless communication device, including, but not limited to, determining collision between activities of the first subscription over a first RAT and activities of the second subscription over a second RAT and reselecting from the second RAT to a third RAT for the second subscription.
    Type: Application
    Filed: June 2, 2016
    Publication date: December 7, 2017
    Inventors: Vijay Marwah, Kuo-Chun Lee, Srinivasan Rajagopalan, Ramchandran Srinivasan, Anand Chowdhary Kolluri, Anindya Majumder
  • Publication number: 20170347311
    Abstract: The present disclosure enables an eNB to identify and/or profile stationary verses mobile UEs located within its cell. In addition, the eNB may tailor a discovery filter that includes all of the PACs (e.g., advertisements) being transmitted by stationary UEs within a vicinity of the cell. The discovery filter may be shared with a network server such that a mobile UE that requests information associated with a particular PAC will receive a list of all PACs within the vicinity of the mobile UE. The apparatus monitors transmissions from a plurality of UEs over a period of time. The apparatus determines at least one stationary UE in the plurality of UEs based on one or more features associated with the transmissions.
    Type: Application
    Filed: May 25, 2016
    Publication date: November 30, 2017
    Inventors: Ashish IYER, Arvind SANTHANAM, Srinivasan BALASUBRAMANIAN, Srinivasan RAJAGOPALAN
  • Publication number: 20170338820
    Abstract: An integrated circuit (IC) can include multiple power domains that are served by a common power source. In an example, a first IC power rail can be coupled to the source and a first consumer circuit. A second IC power rail can be coupled to a second consumer circuit. The second IC power rail can receive a filtered power signal from an isolation module that is coupled between the first and second power rails. In an example, an isolation module includes an integrated inductor and a capacitor (e.g., a land-side capacitor). The integrated inductor can optionally include multiple spaced apart conductive layers that are electrically coupled. The integrated inductor can optionally include a series of conductive traces and plated through holes or vias that together provide a current path with multiple turns.
    Type: Application
    Filed: August 7, 2017
    Publication date: November 23, 2017
    Inventors: Fern Nee Tan, Sanjiv Soman, Alexander Levin, Srinivasan Rajagopalan
  • Patent number: 9826419
    Abstract: Techniques for optimized cell acquisition for long term evolution (LTE) time division duplex (TDD) systems or closed subscriber group (CSG)/evolved Multicast Broadcast Multimedia Service (eMBMS) capable user equipments (UEs) are disclosed. A UE obtains configuration information, CSG capability information, and/or eMBMS capability information for a cell. The UE also stores the obtained information for the cell in a cell information database. In some aspects, the UE may employ the CSG and/or eMBMS capability information to select a weaker cell, during initial frequency scan at power up of the UE, based on cell capability. Additionally or alternatively, the UE may employ the configuration information to determine an initial mutual information (Mi) hypothesis value for physical hybrid-automatic repeat request (HART) indicator channel (PHICH) group mapping of the cell.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: November 21, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Pratik Kotkar, Alexei Yurievitch Gorokhov, Sachin Saraswat, Ning Yin, Srinivasan Rajagopalan, Muralidharan Murugan, Santosh Kumar Rongala
  • Patent number: 9729151
    Abstract: An integrated circuit (IC) can include multiple power domains that are served by a common power source. In an example, a first IC power rail can be coupled to the source and a first consumer circuit. A second IC power rail can be coupled to a second consumer circuit. The second IC power rail can receive a filtered power signal from an isolation module that is coupled between the first and second power rails. In an example, an isolation module includes an integrated inductor and a capacitor (e.g., a land-side capacitor). The integrated inductor can optionally include multiple spaced apart conductive layers that are electrically coupled. The integrated inductor can optionally include a series of conductive traces and plated through holes or vias that together provide a current path with multiple turns.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: August 8, 2017
    Assignee: Intel Corporation
    Inventors: Fern Nee Tan, Sanjiv Soman, Alexander Levin, Srinivasan Rajagopalan
  • Publication number: 20170180951
    Abstract: A method for selectively prioritizing eMBMS includes: determining a collision metric associated with at least one of a plurality of eMBMS data streams on the first subscription; identifying a first eMBMS data stream of the plurality of eMBMS data streams having a highest collision metric amongst the plurality of eMBMS data streams on the first subscription; assigning the first eMBMS data stream with a higher QoS priority than a QoS priority assigned to paging occasions on the second subscription; and in response to detecting that an upcoming paging occasion on the second subscription coincides with an upcoming eMBMS data burst associated with the first eMBMS data stream on the first subscription, utilizing the RF chain to receive the eMBMS data burst on the first subscription based on the first eMBMS data stream on the first subscription having a higher QoS priority than the paging occasions on the second subscription.
    Type: Application
    Filed: February 17, 2016
    Publication date: June 22, 2017
    Inventors: Kuo-Chun Lee, Sivaramakrishna Veerepalli, Shailesh Maheshwari, Mohan Krishna Gowda, Srinivasan Rajagopalan, Adrian Prentice, Hans Agardh, Nagaraju Naik, Ralph Akram Gholmieh
  • Patent number: 9617654
    Abstract: Provided are low friction coatings with improved abrasion, wear resistance and methods of making such coatings. In one form, the coating includes: i) an under layer selected from the group consisting of CrN, TiN, TiAlN, TiAlVN, TiAlVCN, TiSiN, TiSiCN, TiAlSiN and combinations thereof, wherein the under layer ranges in thickness from 0.1 to 100 ?m, ii) an adhesion promoting layer selected from the group consisting of Cr, Ti, Si, W, CrC, TiC, SiC, WC, and combinations thereof, wherein the adhesion promoting layer ranges in thickness from 0.1 to 50 ?m and is contiguous with a surface of the under layer, and iii) a functional layer selected from the group consisting of a fullerene based composite, a diamond based material, diamond-like-carbon and combinations thereof, wherein the functional layer ranges from 0.1 to 50 ?m and is contiguous with a surface of the adhesion promoting layer.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: April 11, 2017
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Srinivasan Rajagopalan, Tabassumul Haque, Mehmet Deniz Ertas, Adnan Ozekcin, HyunWoo Jin, Bo Zhao
  • Patent number: 9578601
    Abstract: Methods, systems, and devices are described for managing power of a user equipment (UE). A UE modem may determine the state of charge of the battery to determine that the battery is in one of two or more charge state levels, and may invoke one or more modem power saving modes based on the charge state level. Power saving modes may include, for example, reducing a number of available receive chains in a UE, initiating a time delay between one or more frequency scan requests performed by the UE, reducing a rate of neighbor search requests performed by the UE, providing a buffer status report (BSR) parameter that indicates a reduced amount of buffer data relative to an actual amount of buffer data for the UE, and/or adjusting a maximum transmit power level for an uplink channel.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: February 21, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Vasanth Kumar Ramkumar, Srinivasan Rajagopalan, Jeffrey A. Niemann, Vijay Raman, Christopher Lee Medrano, Jon James Anderson, Amit Mahajan
  • Publication number: 20160346254
    Abstract: A compound of formula (I), wherein R3, R4, G, B, M, and Z are as defined in the claims, and pharmaceutically acceptable salts thereof are disclosed. The compounds of formula (I) possess utility as FGFR inhibitors and are useful in the treatment of a condition, where FGFR kinase inhibition is desired, such as cancer.
    Type: Application
    Filed: August 9, 2016
    Publication date: December 1, 2016
    Inventors: Tero LINNANEN, Gerd WOHLFAHRT, Srinivas NANDURI, Ravi UJJINAMATADA, Srinivasan RAJAGOPALAN, Subhendu MUKHERJEE
  • Patent number: 9447091
    Abstract: A compound of formula (I), wherein R3, R4, G, B, M, and Z are as defined in the claims, and pharmaceutically acceptable salts thereof are disclosed. The compounds of formula (I) possess utility as FGFR inhibitors and are useful in the treatment of a condition, where FGFR kinase inhibition is desired, such as cancer.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: September 20, 2016
    Assignee: ORION CORPORATION
    Inventors: Tero Linnanen, Gerd Wohlfahrt, Srinivas Nanduri, Ravi Ujjinamatada, Srinivasan Rajagopalan, Subhendu Mukherjee
  • Publication number: 20160205663
    Abstract: Embodiments include methods implemented by a processor of a mobile communication device for managing tune-aways by a radio frequency resource supporting a first subscription to support a second subscription. The processor may determine a data loss ratio of the data of a media file that is lost in transmission to the mobile communication device. The processor may compare the data loss ratio of the data to a first data loss ratio threshold and a second data loss ratio threshold, and the processor may block a tune-away event of the radio frequency resource from the first subscription to the second subscription in response to determining that the data loss ratio of the data is greater than the first data loss ratio threshold and less than the second data loss ratio threshold.
    Type: Application
    Filed: July 24, 2015
    Publication date: July 14, 2016
    Inventors: Jack Shyh-Hurng Shauh, Sivaramakrishna Veerepalli, Shailesh Maheshwari, Daniel Amerga, Kuo-Chun Lee, Mohan Krishna Gowda, Ralph Akram Gholmieh, Nagaraju Naik, Nermeen Ahmed Bassiouny, Thadi Manjunath Nagaraj, Amit Mahajan, Reza Shahidi, Pavan Kaivaram, Ramchandran Srinivasan, Alexey Semjonovs, Adrian Prentice, Marc Azar, Srinivasan Rajagopalan
  • Patent number: 9357578
    Abstract: Methods, systems, and devices are described for recovery from a connection disruption of a user equipment (UE) operating in a multi-carrier mode. The UE may establish a first connection with a primary cell and a second connection with a secondary cell while operating in the multi-carrier mode. A determination may be made that a disruption in the connection with the primary cell has occurred, and the UE may perform a connection reestablishment procedure to attempt to reestablish communications. The connection reestablishment routine may prioritize the secondary cell ahead of one or more other cells for attempting to reestablish communications. The prioritization may be based at least in part on the establishment of the second connection in the multi-carrier mode.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: May 31, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Ashish Shankar Iyer, Srinivasan Rajagopalan, Daniel Amerga, Srivatsa Venkata Chivukula, Kiran Patil
  • Publication number: 20160150524
    Abstract: Certain aspects of the present disclosure provide methods for adapting one or more parameters for uplink transmissions based on a channel condition profile. An example method generally includes obtaining, from a base station, feedback relating to one or more uplink transmissions sent from the UE to a base station (BS); generating, based on the feedback, a channel condition profile of one or more channels associated with the one or more uplink transmissions; and taking one or more actions, based on the channel condition profile, to adjust at least one of a power, code rate, or modulation scheme for one or more subsequent uplink transmissions.
    Type: Application
    Filed: November 13, 2015
    Publication date: May 26, 2016
    Inventors: Vasanth Kumar RAMKUMAR, Anthony FANOUS, Jong Hyeon PARK, Deepak KRISHNAMOORTHI, Srinivasan RAJAGOPALAN
  • Patent number: 9287954
    Abstract: A method for antenna switching is described. The method includes transmitting using a first antenna. The method also includes determining that a trigger occurs to switch to transmitting using a second antenna. The trigger is based on a combination of a physical uplink shared channel (PUSCH) maximum transmit power level (MTPL) counter and a physical uplink control channel (PUCCH) MTPL counter. The method further includes switching to transmitting using the second antenna based on the determination.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: March 15, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Vasanth Kumar Ramkumar, Srinivasan Rajagopalan, Sagar Kakade, Deepak Krishnamoorthi, Hongbo Yan
  • Publication number: 20160031855
    Abstract: A compound of formula (I) wherein R1 to R5, A, B, Z, Z1 and Z2 are as defined in the claims or a pharmaceutically acceptable salt thereof is disclosed. The compounds of formula (I) possess utility as FGFR inhibitors and are useful in the treatment of a condition, where FGFR kinase inhibition is desired, such as cancer.
    Type: Application
    Filed: April 3, 2014
    Publication date: February 4, 2016
    Applicant: Orion Corporation
    Inventors: Srinivasan RAJAGOPALAN, Prasad APPUKUTTAN, Karthikeyan NARASINGAPURAM ARUMUGAM, Ravi UJJINAMATADA, Shyie GEORGE, Tero LINNANEN
  • Publication number: 20150351153
    Abstract: Methods, systems, and devices are described for improving discontinuous reception (DRX) periods using enhanced physical HARQ indicator channel (PHICH) decoding. A user equipment (UE) may determine that an uplink (UL) retransmission (ReTx) is unnecessary based on the content of the original UL transmission. For example, the transmission may include media access control (MAC) layer padding rather than relevant application layer data. The UE may then identify a DRX sleep period that includes the subframe where the ReTx would take place. In some cases, the DRX sleep period may include a subframe where the UE would otherwise receive an acknowledgement message (AM) from a base station. The UE may then enter a DRX sleep state. In another example, the DRX sleep period is based on the content of a received AM. If the UE receives an ACK, the UL ReTx may be unnecessary.
    Type: Application
    Filed: May 28, 2015
    Publication date: December 3, 2015
    Inventors: Vasanth Kumar Ramkumar, Deepak Krishnamoorthi, Navid Ehsan, Srinivasan Rajagopalan, Bao Vinh Nguyen
  • Publication number: 20150327156
    Abstract: A mobile device determines that a primary cell (PCell) and a secondary cell (SCell) belong to a same multicast-broadcast single frequency network (MBSFN) area or that the PCell and the SCell can broadcast the same service. The mobile device determines a communication state of the SCell. If the SCell is active, the mobile device compares signal quality on the PCell and the SCell and selects to decode broadcast content on the PCell or the SCell. If the communication state indicating the SCell is deactivated or released, the mobile device switches to decode the broadcast content on the PCell. If the SCell is released and if the mobile device determines that the PCell is also released, then the mobile device switches to decode the broadcast content on the PCell and initiates a neighbor cell search.
    Type: Application
    Filed: May 1, 2015
    Publication date: November 12, 2015
    Inventors: Vasanth Kumar Ramkumar, Ashish Shankar Iyer, Kuo-Chun Lee, Ketan Narenda Patel, Srinivasan Rajagopalan