Patents by Inventor Ebrahim MolavianJazi

Ebrahim MolavianJazi 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: 10736046
    Abstract: Apparatuses, methods, and systems are disclosed for power headroom reporting for multiple uplink carriers. One apparatus includes a transceiver that receives a configuration of a plurality of uplink carriers for a serving cell. The first apparatus includes a processor that calculates a power headroom (“PH”) for each uplink carrier of the plurality of uplink carriers on the serving cell. The processor transmits (via the transceiver) a Power Headroom Report (“PHR”) based on the calculated PH for the plurality of uplink carriers of the serving cell.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: August 4, 2020
    Assignee: Lenovo (Singapore) PTE LTD
    Inventors: Ebrahim MolavianJazi, Joachim Loehr, Hyejung Jung, Vijay Nangia, Prateek Basu Mallick
  • Publication number: 20200229104
    Abstract: Apparatuses, methods, and systems are disclosed for uplink power control. One method includes receiving uplink power control parameters. The method includes determining a first transmit power for the first uplink transmission based on a corresponding first set of uplink power control parameters. The method includes determining a second transmit power for the second uplink transmission based on a corresponding second set of uplink power control parameters. The method includes performing the first uplink transmission using a first uplink transmission beam pattern or a first spatial domain transmission filter based on the first transmit power. The method includes performing the second uplink transmission using a second uplink transmission beam pattern or a second spatial domain transmission filter based on the second transmit power.
    Type: Application
    Filed: January 10, 2020
    Publication date: July 16, 2020
    Inventors: Ebrahim MolavianJazi, Vijay Nangia, Hyejung Jung, Hossein Bagheri, Joachim Loehr
  • Patent number: 10686573
    Abstract: Apparatuses, methods, and systems are disclosed for reference signals for radio link monitoring. The method includes measuring a first set of reference signals for radio link monitoring. The method includes receiving an indication of a second set of reference signals for radio link monitoring. The method includes resetting a counter in response to reception of the indication of the second set of reference signals. The first set of reference signals is associated with a first set of downlink antenna ports, the second set of reference signals is associated with a second set of downlink antenna ports, and the first set of downlink antenna ports is different from the second set of downlink antenna ports.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: June 16, 2020
    Assignee: Lenovo (Singapore) PTE LTD
    Inventors: Hyejung Jung, Vijay Nangia, Prateek Basu Mallick, Ebrahim MolavianJazi, Ravi Kuchibhotla, Joachim Loehr
  • Patent number: 10674458
    Abstract: LTE UL scheduling information for at least one LTE UL transmission occasion and NR UL scheduling information for an NR UL transmission occasion can be received. An LTE UL transmit power of an LTE UL transmission occasion of the at least one LTE UL transmission occasion and a first NR UL transmit power of the NR UL transmission occasion can be determined. If the LTE UL transmission occasion of the at least one LTE UL transmission occasion overlaps in time with the NR UL transmission occasion, a determination can be made as to whether dynamic power sharing between LTE and NR is applicable for the NR UL transmission occasion and a second NR UL transmit power can be determined. The second NR UL transmit power can be determined such that the LTE UL transmit power summed with the second NR UL transmit power is not higher than a threshold.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: June 2, 2020
    Assignee: Lenovo (Singapore) Pte. Ltd.
    Inventors: Hossein Bagheri, Ebrahim MolavianJazi, Vijay Nangia
  • Publication number: 20200163031
    Abstract: Apparatuses, methods, and systems are disclosed for determining a power headroom report. One method includes determining a power headroom report for transmission on a physical uplink shared channel resource corresponding to a configured grant. The method includes transmitting the power headroom report on the physical uplink shared channel resource, wherein: determining the power headroom report comprises determining whether the power headroom report is based on a real transmission or a reference format based on signaling for configured grants and downlink control information received up until a predetermined time before a first uplink symbol of the physical uplink shared channel resource; and the predetermined time is computed based on: a first parameter set to zero; and a subcarrier spacing of an active downlink bandwidth part of a scheduling cell for the configured grant.
    Type: Application
    Filed: November 21, 2019
    Publication date: May 21, 2020
    Inventors: Joachim Loehr, Ebrahim MolavianJazi, Vijay Nangia, Ravi Kuchibhotla
  • Patent number: 10660077
    Abstract: Apparatuses, methods, and systems are disclosed for uplink transmission power allocation. One method includes: determining a transmission time for a first transmission (“FT”); determining first transmissions overlapping with the FT that start before a start time (“ST”) of the FT; determining a cut-off time (“COT”) for power determination; determining second transmissions overlapping with the FT that start at or later than (“SAOLT”) the ST; scheduling information and/or transmission information for the second transmissions is known at or before the COT; determining third transmissions that overlap with the FT that SAOLT the ST; scheduling information and/or transmission information for the third transmissions is known after the COT; allocating FT power based on a maximum total transmission power for the first transmissions and a minimum guaranteed power corresponding to the second transmissions and/or the third transmissions; and performing the FT using the FT power.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: May 19, 2020
    Assignee: Lenovo (Singapore) PTE LTD
    Inventors: Ebrahim MolavianJazi, Hyejung Jung, Vijay Nangia, Joachim Loehr, Ravi Kuchibhotla
  • Patent number: 10660044
    Abstract: Apparatuses, methods, and systems are disclosed for transmission power control. One method includes receiving a first configuration indicating a plurality of bandwidth parts on a first serving cell and configuration information corresponding to the plurality of bandwidth parts. The configuration information comprises an open-loop power control configuration, a closed loop power control configuration, or a combination thereof corresponding to each bandwidth part of the plurality of bandwidth parts. The method comprises receiving scheduling information for a first uplink transmission on a first bandwidth part of the plurality of bandwidth parts. The method comprises determining a first transmission power for the first uplink transmission based on the configuration information and the scheduling information. The method comprises performing the first uplink transmission with the first transmission power.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: May 19, 2020
    Assignee: Lenovo (Singapore) PTE LTD
    Inventors: Ebrahim MolavianJazi, Hyejung Jung, Vijay Nangia
  • Patent number: 10660048
    Abstract: Apparatuses, methods, and systems are disclosed for uplink power control. One method includes: receiving a message that configures a set of resources that each includes a downlink resource or an uplink sounding resource and is associated with an uplink transmission beam pattern; receiving scheduling information for an uplink transmission that is associated with a resource of the set of resources; determining an uplink transmission beam pattern associated with the resource; determining a configured maximum output power for the uplink transmission beam pattern that is based on an antenna array property associated with the uplink transmission beam pattern; determining a transmit power for the uplink transmission based on the configured maximum output power; and performing the uplink transmission using the uplink transmission beam pattern based on the transmit power.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: May 19, 2020
    Assignee: Lenovo (Singapore) PTE LTD
    Inventors: Ebrahim MolavianJazi, Vijay Nangia, Hyejung Jung, Colin D. Frank, Robert T. Love, Ravi Kuchibhotla, Hossein Bagheri
  • Publication number: 20200119799
    Abstract: A method and apparatus is provided for determining physical uplink channel power control parameter values for use after a beam failure recovery. A physical random access channel with a spatial domain transmission filter associated with a selected downlink reference signal from a set of downlink reference signals configured for a link recovery is transmitted. A determination is made as to whether the selected downlink reference signal is configured for at least one of a set of uplink spatial relation configurations as a reference signal for an uplink spatial relation setting for a physical uplink channel transmission. A power control parameter value for the physical uplink channel transmission is determined. The physical uplink channel is transmitted with the spatial domain transmission filter associated with the selected downlink reference signal and the determined physical uplink channel power control parameter value.
    Type: Application
    Filed: October 11, 2019
    Publication date: April 16, 2020
    Inventors: Hyejung Jung, Ebrahim MolavianJazi, Vijay Nangia
  • Publication number: 20200100194
    Abstract: Apparatuses, methods, and systems are disclosed for reporting power headroom for a serving cell configured with multiple uplink carriers. One apparatus includes a processor and a transceiver that receives a configuration of a first uplink carrier and a second uplink carrier for a serving cell. The processor determines the basis of a first power headroom for the first uplink carrier and determines the basis of a second power headroom for the second uplink carrier. The processor reports a power headroom report for the serving cell comprising the first power headroom based on an actual first transmission on the first uplink carrier of the serving cell in response to determining that the first power headroom is to be based on the actual first transmission and the second power headroom is to be based on a reference second transmission.
    Type: Application
    Filed: September 25, 2019
    Publication date: March 26, 2020
    Inventors: Vijay Nangia, Joachim Loehr, Ebrahim MolavianJazi, Hyejung Jung, Ravi Kuchibhotla
  • Patent number: 10568041
    Abstract: Apparatuses, methods, and systems are disclosed for transmission power control. One method includes: receiving first scheduling information for a first uplink transmission having a first transmission period; receiving second scheduling information for a second uplink transmission having a second transmission period, wherein the first transmission period overlaps the second transmission period; determining a first transmission power for the first uplink transmission based on the first scheduling information; transmitting a first portion of the first uplink transmission with the first transmission power during a first time period in which the first transmission period does not overlap with the second transmission period, wherein a first total transmission power during the first time period equals the first transmission power; and transmitting a second portion of the first uplink transmission during a second time period in which the first transmission period overlaps with the second transmission period.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: February 18, 2020
    Assignee: Lenovo (Singapore) PTE LTD
    Inventors: Ebrahim MolavianJazi, Hyejung Jung, Vijay Nangia
  • Publication number: 20200053710
    Abstract: Apparatuses, methods, and systems are disclosed for uplink transmission power allocation. One method includes receiving a configuration of two uplink carriers. The method includes determining whether a configuration parameter corresponding to at least one of a first uplink carrier and a second uplink carrier for a serving cell is configured. The method includes determining whether a total user equipment transmit power for uplink transmissions in a transmission occasion exceeds a maximum user equipment output power, wherein the uplink transmissions comprise a first uplink transmission on the first uplink carrier and a second uplink transmission. The method includes, in response to determining that the total user equipment transmit power for uplink transmissions in the transmission occasion exceeds the maximum user equipment output power, determining a first priority level for the first uplink transmission and a second priority level for the second uplink transmission.
    Type: Application
    Filed: August 9, 2019
    Publication date: February 13, 2020
    Inventors: Ebrahim MolavianJazi, Hyejung Jung, Vijay Nangia, Joachim Loehr, Ravi Kuchibhotla
  • Publication number: 20200053724
    Abstract: Apparatuses, methods, and systems are disclosed for uplink transmission power allocation. One method includes receiving a configuration of two uplink carriers. The method includes determining whether a configuration parameter corresponding to at least one of a first uplink carrier and a second uplink carrier for a serving cell is configured. The method includes determining whether a power headroom report is based on an actual sounding reference signal (“SRS”) transmission or a reference SRS transmission. The method includes, in response to determining that the power headroom report is based on a reference SRS transmission, selecting an uplink carrier for power headroom computation from the two uplink carriers based on whether the configuration parameter for the two uplink carriers. The method includes computing the power headroom report for the serving cell based on a reference SRS transmission on the uplink carrier.
    Type: Application
    Filed: August 9, 2019
    Publication date: February 13, 2020
    Inventors: Ebrahim MolavianJazi, Hyejung Jung, Vijay Nangia, Joachim Loehr, Ravi Kuchibhotla
  • Publication number: 20200053657
    Abstract: Apparatuses, methods, and systems are disclosed for uplink transmission power allocation. One method includes: determining a transmission time for a first transmission (“FT”); determining first transmissions overlapping with the FT that start before a start time (“ST”) of the FT; determining a cut-off time (“COT”) for power determination; determining second transmissions overlapping with the FT that start at or later than (“SAOLT”) the ST; scheduling information and/or transmission information for the second transmissions is known at or before the COT; determining third transmissions that overlap with the FT that SAOLT the ST; scheduling information and/or transmission information for the third transmissions is known after the COT; allocating FT power based on a maximum total transmission power for the first transmissions and a minimum guaranteed power corresponding to the second transmissions and/or the third transmissions; and performing the FT using the FT power.
    Type: Application
    Filed: August 9, 2019
    Publication date: February 13, 2020
    Inventors: Ebrahim MolavianJazi, Hyejung Jung, Vijay Nangia, Joachim Loehr, Ravi Kuchibhotla
  • Patent number: 10560901
    Abstract: A method and apparatus is provided for receiving a first higher layer configuration message including information of a mapping between a set of sounding reference signal indications and a set of power control parameters, when the user equipment is configured with more than one sounding reference signal resource for uplink data channel transmission. A second higher layer configuration message including a configured grant uplink transmission configuration is received, wherein the configured grant uplink transmission configuration does not include a sounding reference signal indication. An activation message is received in downlink control information for the configured grant uplink transmission configuration.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: February 11, 2020
    Assignee: Lenovo (Singapore) Pte. Ltd.
    Inventors: Hyejung Jung, Ebrahim MolavianJazi, Hossein Bagheri, Vijay Nangia
  • Publication number: 20190394732
    Abstract: Apparatuses, methods, and systems are disclosed for power headroom report generation. One method includes aggregating multiple serving cells. The method includes determining that a power headroom report is triggered. The method includes determining that an uplink resource for a new transmission on a serving cell of the multiple serving cells is allocated at a first time after the power headroom report is triggered. The method includes determining a power headroom value for each serving cell of the multiple serving cells being activated based on information received prior to and including a predetermined time before the start of the uplink resource at the first time. The method includes generating a power headroom report medium access control control element including at least the power headroom value for each serving cell of the multiple serving cells being activated.
    Type: Application
    Filed: September 14, 2018
    Publication date: December 26, 2019
    Inventors: Joachim Loehr, Ebrahim MolavianJazi, Prateek Basu Mallick, Ravi Kuchibhotla
  • Publication number: 20190357092
    Abstract: Apparatuses, methods, and systems are disclosed for random access skip configuration. One method includes receiving a handover command message from a first cell, wherein: the handover command message includes first information that indicates a configuration of a second cell, random access channel resources on the second cell, and a first reference signals associated with the second cell; each of the first reference signals is associated with a random access channel resource; second information indicates skip configurations and second reference signals are associated with the second cell; and each of the second reference signals is associated with a random access skip configuration. The method includes receiving a first set of downlink reference signals and a second set of downlink reference signals. The method includes, selecting a first downlink reference signal and determining whether to perform a random access procedure.
    Type: Application
    Filed: May 20, 2019
    Publication date: November 21, 2019
    Inventors: Hyejung Jung, Prateek Basu Mallick, Joachim Loehr, Ravi Kuchibhotla, Vijay Nangia, Ebrahim MolavianJazi, Robert T. Love
  • Publication number: 20190349867
    Abstract: Configuration information can be received in a first serving cell. A determination can be made as to whether the configuration information includes a cell ID. A pathloss estimate for an uplink transmission transmit power setting can be determined based on a pathloss reference signal associated with a second serving cell if the configuration information includes the cell ID. The uplink transmission can be transmitted on the first serving cell based on the determined pathloss estimate.
    Type: Application
    Filed: May 9, 2019
    Publication date: November 14, 2019
    Inventors: Ebrahim MolavianJazi, Hyejung Jung, Vijay Nangia
  • Publication number: 20190320396
    Abstract: LTE UL scheduling information for at least one LTE UL transmission occasion and NR UL scheduling information for an NR UL transmission occasion can be received. An LTE UL transmit power of an LTE UL transmission occasion of the at least one LTE UL transmission occasion and a first NR UL transmit power of the NR UL transmission occasion can be determined. If the LTE UL transmission occasion of the at least one LTE UL transmission occasion overlaps in time with the NR UL transmission occasion, a determination can be made as to whether dynamic power sharing between LTE and NR is applicable for the NR UL transmission occasion and a second NR UL transmit power can be determined. The second NR UL transmit power can be determined such that the LTE UL transmit power summed with the second NR UL transmit power is not higher than a threshold.
    Type: Application
    Filed: April 10, 2019
    Publication date: October 17, 2019
    Inventors: Hossein Bagheri, Ebrahim MolavianJazi, Vijay Nangia
  • Publication number: 20190313348
    Abstract: Apparatuses, methods, and systems are disclosed for power headroom reporting for multiple uplink carriers. One apparatus includes a transceiver that receives a configuration of a plurality of uplink carriers for a serving cell. The first apparatus includes a processor that calculates a power headroom (“PH”) for each uplink carrier of the plurality of uplink carriers on the serving cell. The processor transmits (via the transceiver) a Power Headroom Report (“PHR”) based on the calculated PH for the plurality of uplink carriers of the serving cell.
    Type: Application
    Filed: April 5, 2019
    Publication date: October 10, 2019
    Inventors: Ebrahim MolavianJazi, Joachim Loehr, Hyejung Jung, Vijay Nangia, Prateek Basu Mallick