Patents by Inventor Reza Shahidi

Reza Shahidi 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: 9999024
    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: Grant
    Filed: July 24, 2015
    Date of Patent: June 12, 2018
    Assignee: QUALCOMM Incorporated
    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
  • Publication number: 20180132146
    Abstract: A method for single cell point-to-multicast service continuity on a multi-subscriber identity module (SIM) mobile communication device includes: receiving single cell point-to-multicast (SC-PTM) data from a first cell on a first subscription; activating a second subscription; receiving the SC-PTM data from the first cell on the second subscription; performing a handover or reselection from the first cell to a second cell on the first subscription; receiving the SC-PTM data from the second cell on the first subscription; and deactivating the second subscription.
    Type: Application
    Filed: November 7, 2016
    Publication date: May 10, 2018
    Inventors: Kuo-Chun LEE, Sivaramakrishna VEEREPALLI, Reza SHAHIDI, Qingxin CHEN, Qiang JIANG, YuHung KAO, Ankit MEHROTRA
  • Publication number: 20180132289
    Abstract: A multi-subscriber identification module (MSIM) wireless communication device may have at least a first SIM and a second SIM associated with a shared radio frequency (RF) resource. The wireless communication device may detect that the first SIM is set as a designated data subscription (DDS), such that a modem stack associated with the first SIM receives information broadcast by a first network. The wireless communication device may perform a network attach procedure with a second network on a modem stack associated with the second SIM, such that a default packet data network (PDN) connection is established with the second network. The wireless communication device may set the default PDN connection as a persistent PDN connection, with the modem stack associated with the second SIM maintaining at least one persistent PDN connection.
    Type: Application
    Filed: November 8, 2016
    Publication date: May 10, 2018
    Inventors: Suli Zhao, Yongsheng Shi, Qingxin Chen, Sivaramakrishna Veerepalli, Li-Ping Shen, Niranjan Pendharkar, Yashdev Singh, Reza Shahidi, Mona Agrawal, Bhupesh Umatt
  • Patent number: 9961600
    Abstract: Aspects described herein relate to using antenna-switched diversity (ASDIV) in wireless communications. A serving node can be communicated with using a serving radio access technology (RAT) and based on an ASDIV configuration, wherein the ASDIV configuration defines an antenna switching configuration including a state of one or more switches in an ASDIV switch group for switching between one or more antennas for the communicating based on sensing one or more parameters of the communicating. It can be determined whether a target RAT supports operating using a same ASDIV switch group as the serving RAT. A target node can be communicated with using the target RAT and based on the ASDIV configuration where the target RAT operates using the same ASDIV switch group as the serving RAT.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: May 1, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Thawatt Gopal, Reza Shahidi, Sunil Kc, Qingxin Chen, Shivram Ramanathan Lnu, Ahmed Saifuddin, Robert Chan, Praveen Adusumilli, Shahabuddin Mohammad, Sandeep Narayana
  • Publication number: 20180115978
    Abstract: A method for call setup for a voice-over-long-term evolution (VoLTE) call on multi-subscriber identity module (SIM) multi-standby (MSMS) mobile communication device includes: receiving a long-term evolution (LTE) page; determining whether a WiFi connection is available; in response to determining that the WiFi connection is not available, determining whether the LTE page was received on a non-dedicated data subscription (DDS) subscription; and in response to determining that the LTE page was received on the non-DDS subscription, granting a highest priority for communication activities to an LTE page response on the non-DDS subscription.
    Type: Application
    Filed: October 25, 2016
    Publication date: April 26, 2018
    Inventors: Yongsheng SHI, Suli ZHAO, Mona AGRAWAL, Qingxin CHEN, Reza SHAHIDI, Uttam PATTANAYAK
  • Publication number: 20180070320
    Abstract: Certain aspects of the present disclosure propose methods for determining power level of one or more transmitters based on a power level of a primary transmitter when the transmitters are located in close proximity of each other. The power levels may be determined such that a combined power of all the transmitters is compliant with regulatory radio frequency (RF) safety requirements. For certain aspects, power level of the lower priority transmitters may be determined utilizing one or more look-up tables. For another aspect, power level of the lower priority transmitters may be calculated using an algorithm based on the power level of the priority transmitter. In aspects, the power level of lower priority transmitters and the time duration for which the transmitters are active may be selected dynamically so that the time averaged power of the transmitters for a defined period of time falls below the RF exposure limit.
    Type: Application
    Filed: October 30, 2017
    Publication date: March 8, 2018
    Inventors: John FORRESTER, Paul GUCKIAN, Lin LU, Reza SHAHIDI, Amit MAHAJAN, Walid Mostafa HAMDY, Francis NGAI
  • 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: 20180007600
    Abstract: Aspects described herein relate to using antenna-switched diversity (ASDIV) in wireless communications. A serving node can be communicated with using a serving radio access technology (RAT) and based on an ASDIV configuration, wherein the ASDIV configuration defines an antenna switching configuration including a state of one or more switches in an ASDIV switch group for switching between one or more antennas for the communicating based on sensing one or more parameters of the communicating. It can be determined whether a target RAT supports operating using a same ASDIV switch group as the serving RAT. A target node can be communicated with using the target RAT and based on the ASDIV configuration where the target RAT operates using the same ASDIV switch group as the serving RAT.
    Type: Application
    Filed: June 29, 2017
    Publication date: January 4, 2018
    Inventors: Thawatt GOPAL, Reza Shahidi, Sunil KC, Qingxin Chen, Shivram Ramanathan Lnu, Ahmed Saifuddin, Robert Chan, Praveen Adusumilli, Shahabuddin Mohammad, Sandeep Narayana
  • Patent number: 9848354
    Abstract: Systems and methods are described herein for managing uplink communication activities of a wireless communication device associated with a first subscription and a second subscription. First, a trigger event related to de-sensing of the first subscription by the second subscription is detected. The wireless communication device refrains from requesting uplink (UL) grants for the second subscription from a network for the second subscription in response to detecting the trigger event.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: December 19, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Amir Rajaee, Cheol Hee Park, Gang Xiao, Reza Shahidi, Muhammad Arif Munif
  • Publication number: 20170324519
    Abstract: Systems, methods, apparatuses, and media are provided for recovery of information from redundancy version packets in systematic encoding environments when a redundancy version packet containing primarily systematic information may be corrupted. A plurality of redundancy version packets may be received at a user equipment device from a transmission device. Each redundancy version packet of the plurality of redundancy version packets may be based on a same group of information bits. A first redundancy version packet of the plurality of redundancy version packets may contain more bits of the same group of information bits than do the other redundancy version packets of the plurality of redundancy version packets. The same group of information bits may be recovered based on one or more second redundancy version packets of the plurality of redundancy version packets but not based on the first redundancy version packet.
    Type: Application
    Filed: December 31, 2014
    Publication date: November 9, 2017
    Inventors: Jiming Guo, Xiaohui Liu, Cheol Hee Park, Chintan Shirish Shah, Reza Shahidi
  • Patent number: 9781094
    Abstract: Various embodiments for performing remote authentication of a virtual subscriber identity module (SIM) on a mobile communication device include receiving, on a first subscription of the mobile communication device, an authentication request from a virtual SIM network. The mobile communication device may tune from the first subscription to a second subscription of the mobile communication device to send the authentication request to a remote server and periodically perform tune-aways between the first subscription and the second subscription while determining whether the remote server has sent an authentication response through the second subscription. The mobile communication device may send the authentication response to the virtual SIM network through the first subscription in response to determining that the remote server has sent an authentication response through the second subscription.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: October 3, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Reza Shahidi, Yongsheng Shi, Michele Berionne
  • Publication number: 20170223589
    Abstract: Various embodiments include multi-subscription multi-standby (MSMS) communication devices and methods for managing reception of data using a first subscription following a tune-away by a radio frequency (RF) resource chain from the first subscription to a second subscription. In various embodiments the MSMS communication device may receive data over the first subscription during a warm-up period of the RF resource chain following completion of the tune-away. In some embodiments, the device processor may receive the data over the first subscription during the warm-up period using one or more channel parameters of the first subscription determined before the tune-away. In some embodiments, the device processor may receive data over the first subscription during the warm-up period using one or more channel parameters of the first subscription determined initially during the warm-up period.
    Type: Application
    Filed: February 1, 2016
    Publication date: August 3, 2017
    Inventors: Kuo-Chun Lee, Levent Aydin, Sivaramakrishna Veerepalli, Reza Shahidi, Wenshu Zhang, Jack Shyh-Hurng Shauh, Pavan Chaithanya Kaivaram, Ramchandran Srinivasan, Vivek Padi, Muhammed Sarwar
  • Publication number: 20170215036
    Abstract: Various examples include methods for assisting Global Positioning System (GPS) applications using a Long Term Evolution (LTE) subscription on a wireless communication device. Various example methods may include determining whether positioning information can be obtained from a first network associated with the LTE subscription, obtaining the positioning information from the first network through the LTE subscription in response to determining that the positioning information can be obtained from the first network, translating the positioning information into a format recognizable to a GPS application executing on the wireless communication device, and providing the positioning information to the GPS application.
    Type: Application
    Filed: April 14, 2016
    Publication date: July 27, 2017
    Inventors: Parthasarathy Krishnamoorthy, Chintan Shirish Shah, Reza Shahidi, Borislav Ristic, Troy Curtiss, Suresh Kumar Bitra, Ammar Kitabi, Vrutti Vyas, Jayesh Bathija, Pavan Kaivaram, Praveen Kumar Appani, Bhaskara Viswanadham Batchu
  • Publication number: 20170208611
    Abstract: Various embodiments include multi-subscription multi-standby communication devices and methods for managing communication activity. A device processor of the multi-subscription multi-standby communication device may determine a timing of an upcoming tune-away from a first subscription to a second subscription, and may determine whether an upcoming communication activity on the first subscription is a critical communication activity. The device processor may determine whether the upcoming tune-away and the upcoming communication activity will collide in response to determining that the upcoming communication activity is a critical communication activity, and may schedule one or both of the upcoming critical communication activity and the tune-away to prevent the collision in response to determining that the upcoming tune-away and the upcoming communication activity will collide.
    Type: Application
    Filed: January 15, 2016
    Publication date: July 20, 2017
    Inventors: Amith Chincholi, Liangchi Hsu, Sharif Matin, Jia Tang, Reza Shahidi
  • Patent number: 9713038
    Abstract: Various embodiments include methods and apparatuses for responding to a page message for a mobile-terminated call by a wireless communication device using a single radio Long-term Evolution (LTE) mode. A wireless communication device may receive the page message for the mobile-terminated call, release resources of the wireless communication device owned by a non-LTE voice radio access technology receiving the page message, and execute an extended service request by an LTE radio access technology. The wireless communication device may search for a network for responding to the page message after the extended service request is completed. The network may be from a set of networks including a serving pilot network, a preapproved pilot network, and an unapproved pilot network, and each of the pilot networks may belong to a first base station. The wireless communication device may send a page message response using the network in response to finding the network.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: July 18, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Bhaskara Viswanadham Batchu, Sharad Shahi, Reza Shahidi
  • Publication number: 20170181166
    Abstract: Various embodiments for calibrating receive chains on a mobile communication device may include identifying a calibrated receive chain and an un-calibrated receive chain of the mobile communication device and obtaining a first series of gain measurements for the calibrated receive chain and a second series of gain measurements for the un-calibrated receive chain. The mobile communication device may determine a path gain difference between the calibrated receive chain and the un-calibrated receive chain based on the first series of gain measurements and the second series of gain measurements, and compensate a gain of the un-calibrated receive chain using the path gain difference.
    Type: Application
    Filed: December 18, 2015
    Publication date: June 22, 2017
    Inventors: Raghavendra Shyam Ananda, Niranjan Kumar Vadlamudi, Reza Shahidi, Anand Rajurkar, Tarandeep Virk
  • Patent number: 9667280
    Abstract: Certain aspects of the present disclosure relate to a technique for touch temperature management of a wireless communications device based on power dissipated over time, and possibly internal temperature readings. For example, the information about power dissipated over time can be utilized along with monitored internal temperatures of a device's internal circuitry to reduce transmit power and/or data rates as required in order to keep a surface temperature of the wireless device below a specified limit. A knowledge of how the device's touch temperature varies with the dissipated power and a knowledge of the power dissipation history can be utilized to determine when to reduce the transmit power in order to avoid overheating (e.g., exceeding the touch temperature limit).
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: May 30, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Reza Shahidi, Jon J Anderson, Eric S Mattis
  • Publication number: 20170142617
    Abstract: Various embodiments include methods and apparatuses for responding to a page message for a mobile-terminated call by a wireless communication device using a single radio Long-term Evolution (LTE) mode. A wireless communication device may receive the page message for the mobile-terminated call, release resources of the wireless communication device owned by a non-LTE voice radio access technology receiving the page message, and execute an extended service request by an LTE radio access technology. The wireless communication device may search for a network for responding to the page message after the extended service request is completed. The network may be from a set of networks including a serving pilot network, a preapproved pilot network, and an unapproved pilot network, and each of the pilot networks may belong to a first base station. The wireless communication device may send a page message response using the network in response to finding the network.
    Type: Application
    Filed: November 17, 2015
    Publication date: May 18, 2017
    Inventors: Bhaskara Viswanadham Batchu, Sharad Shahi, Reza Shahidi
  • Publication number: 20170134551
    Abstract: Various embodiments include methods for a multi-subscription wireless communication device to obtain caller identification (ID) information for a call coming in on a first subscription while on a call on a second subscription. In various embodiments, when the second subscription is supporting a voice call and a page message for the first subscription is received from a network, the wireless communication device may exclude one or more fields from a page response message from the first subscription to the network, blindly accept a proposed service option sent by the network, and receive caller ID information from the network. In some embodiments, one or more fields from a page response message may include at least one of an additional pilots field and an alternate service option list. Receiving caller ID information from the network may be performed when the first subscription cannot support a proposed service option sent by the network.
    Type: Application
    Filed: November 9, 2015
    Publication date: May 11, 2017
    Inventors: Bhaskara Viswanadham Batchu, Sharad Shahi, Prabhanjan Reddy Pingili, Reza Shahidi, Ejazahmed Yergudi
  • Patent number: 9648635
    Abstract: Embodiments described herein relate to systems and methods for scheduling subscriptions in a user equipment (UE) having at least a first receive radio and a second receive radio, including receiving, by the first receive radio, a broadcast activity for a first subscription and receiving, by the second receive radio, a reception activity for a second subscription. A trigger event is detected while the broadcast activity for the first subscription is being received by the first receive radio and the reception activity for the second subscription is being received by the second receive radio. In response to detecting the trigger event, the reception activity for the second subscription is received by the first receive radio and the broadcast activity for the first subscription is received by the second receive radio.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: May 9, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Kuo-Chun Lee, Chih-Ping Hsu, Jack Shyh-Hurng Shauh, Sivaramakrishna Veerepalli, Reza Shahidi, Chintan Shirish Shah, Francis Ming-Meng Ngai, Daniel Amerga, Shailesh Maheshwari