Patents by Inventor Tejas Maheshbhai Bhatt

Tejas Maheshbhai Bhatt 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: 20240063982
    Abstract: Methods and apparatus for providing soft and blind combining for PUSCH acknowledgement (ACK) processing. In an exemplary embodiment, a method includes soft-combining acknowledgement (ACK) bits received from a UE that are contained in a received sub-frame of symbols. The ACK bits are soft-combined using a plurality of scrambling sequences to generate a plurality of hypothetical soft-combined ACK bit streams. The method also includes receiving a parameter that identifies a selected scrambling sequence to be used. The method also includes decoding a selected hypothetical soft-combined ACK bit stream to generate a decoded ACK value, wherein the selected hypothetical soft-combined ACK bit stream is selected from the plurality of hypothetical soft-combined ACK bit streams based on the parameter.
    Type: Application
    Filed: November 2, 2023
    Publication date: February 22, 2024
    Applicant: Marvell Asia Pte, Ltd.
    Inventors: Sabih Guzelgoz, Hong Jik Kim, Tejas Maheshbhai Bhatt, Fariba Heidari
  • Patent number: 11811700
    Abstract: Methods and apparatus for providing soft and blind combining for PUSCH acknowledgement (ACK) processing. In an exemplary embodiment, a method includes soft-combining acknowledgement (ACK) bits received from a UE that are contained in a received sub-frame of symbols. The ACK bits are soft-combined using a plurality of scrambling sequences to generate a plurality of hypothetical soft-combined ACK bit streams. The method also includes receiving a parameter that identifies a selected scrambling sequence to be used. The method also includes decoding a selected hypothetical soft-combined ACK bit stream to generate a decoded ACK value, wherein the selected hypothetical soft-combined ACK bit stream is selected from the plurality of hypothetical soft-combined ACK bit streams based on the parameter.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: November 7, 2023
    Assignee: Marvell Asia Pte, Ltd
    Inventors: Sabih Guzelgoz, Hong Jik Kim, Tejas Maheshbhai Bhatt, Fariba Heidari
  • Publication number: 20220069964
    Abstract: Methods and apparatus for providing soft and blind combining for PUSCH acknowledgement (ACK) processing. In an exemplary embodiment, a method includes soft-combining acknowledgement (ACK) bits received from a UE that are contained in a received sub-frame of symbols. The ACK bits are soft-combined using a plurality of scrambling sequences to generate a plurality of hypothetical soft-combined ACK bit streams. The method also includes receiving a parameter that identifies a selected scrambling sequence to be used. The method also includes decoding a selected hypothetical soft-combined ACK bit stream to generate a decoded ACK value, wherein the selected hypothetical soft-combined ACK bit stream is selected from the plurality of hypothetical soft-combined ACK bit streams based on the parameter.
    Type: Application
    Filed: November 10, 2021
    Publication date: March 3, 2022
    Applicant: Marvell Asia Pte, Ltd.
    Inventors: Sabih Guzelgoz, Hong Jik Kim, Tejas Maheshbhai Bhatt, Fariba Heidari
  • Patent number: 11177926
    Abstract: Methods and apparatus for providing soft and blind combining for PUSCH acknowledgement (ACK) processing. In an exemplary embodiment, a method includes soft-combining acknowledgement (ACK) bits received from a UE that are contained in a received sub-frame of symbols. The ACK bits are soft-combined using a plurality of scrambling sequences to generate a plurality of hypothetical soft-combined ACK bit streams. The method also includes receiving a parameter that identifies a selected scrambling sequence to be used. The method also includes decoding a selected hypothetical soft-combined ACK bit stream to generate a decoded ACK value, wherein the selected hypothetical soft-combined ACK bit stream is selected from the plurality of hypothetical soft-combined ACK bit streams based on the parameter.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: November 16, 2021
    Assignee: Marvell Asia Pte, Ltd.
    Inventors: Sabih Guzelgoz, Hong Jik Kim, Tejas Maheshbhai Bhatt, Fariba Heidari
  • Publication number: 20210344547
    Abstract: Methods and apparatus for frequency offset estimation are disclosed. In an exemplary embodiment, a method includes determining a demodulation reference signal (DMRS) frequency offset estimate from DMRS symbols in a received signal, and determining a cyclic prefix (CP) frequency offset estimate from cyclic prefix values in the received signal. The method also includes combining the DMRS and CP frequency offset estimates to determine a final frequency offset estimate. In an exemplary embodiment, an apparatus includes a DMRS frequency offset estimator that determines a DMRS frequency offset estimate based on DMRS symbols received in an uplink transmission, and a cyclic prefix (CP) frequency offset estimator that determines a CP frequency offset estimate based on cyclic prefix values in the uplink transmission. The apparatus also includes an offset combiner that combines the DMRS frequency offset estimate with the CP frequency offset estimate to generate a final frequency offset estimate.
    Type: Application
    Filed: July 14, 2021
    Publication date: November 4, 2021
    Applicant: Marvell Asia Pte, Ltd.
    Inventors: Hyun Soo Cheon, Hong Jik Kim, Tejas Maheshbhai Bhatt
  • Patent number: 11115992
    Abstract: Methods and apparatus for simultaneous multiprotocol processing of different radio standards using a common pipeline. In an exemplary embodiment an apparatus includes a plurality of wireless interfaces that transmit radio data symbols, a scheduler that outputs scheduled events that control transmission of the radio data symbols using any wireless interface type and any radio protocol, and an event processor that processes the transmission events to transport the radio data symbols to selected wireless interfaces for over the air transmission using selected radio protocols.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: September 7, 2021
    Assignee: Marvell Asia Pte, Ltd.
    Inventors: Ahmed Shahid, Tejas Maheshbhai Bhatt, Eric Marenger
  • Patent number: 11113101
    Abstract: Method and system embodying the method for scheduling arbitration among a plurality of service requestors encompassing: designating among the plurality of service requestors all the service requestors that have an active request; determining whether at least one of the designated service requestors has an un-served status indicator which is set; and when the determining is positive then: selecting one of the at least one designated service requestors in accordance with a pre-determined policy; and clearing the un-served status indicator for the selected service requestor, is disclosed.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: September 7, 2021
    Assignee: MARVELL ASIA PTE, LTD.
    Inventors: Timothy Toshio Nakada, Jason Daniel Zebchuk, Tejas Maheshbhai Bhatt, Mark Jon Kwong
  • Patent number: 11095491
    Abstract: Methods and apparatus for frequency offset estimation are disclosed. In an exemplary embodiment, a method includes determining a demodulation reference signal (DMRS) frequency offset estimate from DMRS symbols in a received signal, and determining a cyclic prefix (CP) frequency offset estimate from cyclic prefix values in the received signal. The method also includes combining the DMRS and CP frequency offset estimates to determine a final frequency offset estimate. In an exemplary embodiment, an apparatus includes a DMRS frequency offset estimator that determines a DMRS frequency offset estimate based on DMRS symbols received in an uplink transmission, and a cyclic prefix (CP) frequency offset estimator that determines a CP frequency offset estimate based on cyclic prefix values in the uplink transmission. The apparatus also includes an offset combiner that combines the DMRS frequency offset estimate with the CP frequency offset estimate to generate a final frequency offset estimate.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: August 17, 2021
    Assignee: Cavium, LLC.
    Inventors: Hyun Soo Cheon, Hong Jik Kim, Tejas Maheshbhai Bhatt
  • Patent number: 11061724
    Abstract: Method and system embodying the method for programmable scheduling encompassing: enqueueing at least one command into one of a plurality of queues having a plurality of entries; determining a category of the command at the head entry of each of the plurality of queues; processing each determined non-job category command by a non-job command arbitrator; and processing each determined job category command by a job arbitrator and assignor, is disclosed.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: July 13, 2021
    Assignee: MARVELL ASIA PTE, LTD.
    Inventors: Timothy Toshio Nakada, Jason Daniel Zebchuk, Gregg Alan Bouchard, Tejas Maheshbhai Bhatt, Hong Jik Kim, Ahmed Shahid, Mark Jon Kwong
  • Patent number: 11010318
    Abstract: Method and system embodying the method for a direct memory access between a data storage and a data processing device via one or more direct memory access units, comprising transferring data between the data storage and a first direct memory access engine of a respective one or more direct memory access units and providing the data for a second direct memory access engine of the respective one or more direct memory access units; and transferring the data provided by the first direct memory access engine by a second direct memory access engine to the data processing device via the second direct memory access engine is disclosed.
    Type: Grant
    Filed: May 14, 2016
    Date of Patent: May 18, 2021
    Assignee: CAVIUM INTERNATIONAL
    Inventors: Jason Daniel Zebchuk, Gregg Alan Bouchard, Tejas Maheshbhai Bhatt, Hong Jik Kim, Ahmed Shahid
  • Patent number: 10740256
    Abstract: A method utilizing a system encompassing a free pool buffer; a deadlock avoidance buffer; and a controller communicatively coupled to the free pool buffer and the deadlock avoidance buffer to reorder out-of-order responses to fetch requests into correct order by: receiving a fetch request on behalf of a consumer; allocating space first in the free pool buffer and when such space is not available then allocating space in a division associated with the consumer in the deadlock avoidance buffer. Issuing segment(s) of the fetch request including associated tag(s) to one of one or more memories; writing response data for each of the segment(s) to the allocated space in the free buffer or the deadlock avoidance buffer according to each of the associated tag(s); and transferring the response data to the consumer according to an entry in an ordering first-in, first-out buffer and an entry in a pending request array.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: August 11, 2020
    Assignee: Marvell Asia Pte, Ltd.
    Inventors: Kalyana Sundaram Venkataraman, Jason Daniel Zebchuk, Gregg Alan Bouchard, Tejas Maheshbhai Bhatt, Hong Jik Kim, Eric Marenger, Ahmed Shahid
  • Patent number: 10713089
    Abstract: Method and system embodying the method for load balancing of scheduled jobs among a plurality of engines encompassing determining a number of cluster credits for each of a plurality of clusters that comprise at least one engine capable of processing a scheduled job; determining a number of engine credits for each of the plurality of engines comprising each of the at least one engine in accordance with a number of jobs assigned to each of the plurality of engines; evaluating the determined number of cluster credits and the determined number of engine credits in accordance with a credit evaluation policy; and assigning the job to one of the plurality of engines in accordance with the evaluation, is disclosed.
    Type: Grant
    Filed: May 20, 2017
    Date of Patent: July 14, 2020
    Assignee: CAVIUM INTERNATIONAL
    Inventors: Timothy Toshio Nakada, Jason Daniel Zebchuk, Gregg Alan Bouchard, Tejas Maheshbhai Bhatt, Hong Jik Kim, Ahmed Shahid, Mark Jon Kwong
  • Publication number: 20200213176
    Abstract: Methods and apparatus for frequency offset estimation are disclosed. In an exemplary embodiment, a method includes determining a demodulation reference signal (DMRS) frequency offset estimate from DMRS symbols in a received signal, and determining a cyclic prefix (CP) frequency offset estimate from cyclic prefix values in the received signal. The method also includes combining the DMRS and CP frequency offset estimates to determine a final frequency offset estimate. In an exemplary embodiment, an apparatus includes a DMRS frequency offset estimator that determines a DMRS frequency offset estimate based on DMRS symbols received in an uplink transmission, and a cyclic prefix (CP) frequency offset estimator that determines a CP frequency offset estimate based on cyclic prefix values in the uplink transmission. The apparatus also includes an offset combiner that combines the DMRS frequency offset estimate with the CP frequency offset estimate to generate a final frequency offset estimate.
    Type: Application
    Filed: January 15, 2020
    Publication date: July 2, 2020
    Applicant: Cavium, LLC.
    Inventors: Hyun Soo Cheon, Hong Jik Kim, Tejas Maheshbhai Bhatt
  • Patent number: 10635497
    Abstract: A method and a system embodying the method for job pre-scheduling in a processing system comprising distributed job management, encompassing: determining a maximum amount of pre-schedulable jobs for each of a plurality of engines; setting for each of the plurality of engines a threshold less than or equal to the maximum amount; pre-scheduling by a scheduler an amount of jobs less than or equal to the threshold to at least one of a plurality of job managers; determining at the at least one of the plurality of job managers managing one of the plurality of engines one of a plurality of data processing devices in order for each pre-scheduled job; and assigning the job to the determined data processing device.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: April 28, 2020
    Assignee: Cavium, LLC
    Inventors: Kalyana Sundaram Venkataraman, Tejas Maheshbhai Bhatt, Hong Jik Kim, Eric Marenger, Ahmed Shahid, Jason Daniel Zebchuk, Gregg Alan Bouchard
  • Publication number: 20200021417
    Abstract: Methods and apparatus for providing soft and blind combining for PUSCH acknowledgement (ACK) processing. In an exemplary embodiment, a method includes soft-combining acknowledgement (ACK) bits received from a UE that are contained in a received sub-frame of symbols. The ACK bits are soft-combined using a plurality of scrambling sequences to generate a plurality of hypothetical soft-combined ACK bit streams. The method also includes receiving a parameter that identifies a selected scrambling sequence to be used. The method also includes decoding a selected hypothetical soft-combined ACK bit stream to generate a decoded ACK value, wherein the selected hypothetical soft-combined ACK bit stream is selected from the plurality of hypothetical soft-combined ACK bit streams based on the parameter.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Applicant: Cavium, LLC
    Inventors: Sabih Guzelgoz, Hong Jik Kim, Tejas Maheshbhai Bhatt, Fariba Heidari
  • Patent number: 10469233
    Abstract: Methods and apparatus for providing soft and blind combining for PUSCH acknowledgement (ACK) processing. In an exemplary embodiment, a method includes soft-combining acknowledgement (ACK) bits received from a UE that are contained in a received sub-frame of symbols. The ACK bits are soft-combined using a plurality of scrambling sequences to generate a plurality of hypothetical soft-combined ACK bit streams. The method also includes receiving a parameter that identifies a selected scrambling sequence to be used. The method also includes decoding a selected hypothetical soft-combined ACK bit stream to generate a decoded ACK value, wherein the selected hypothetical soft-combined ACK bit stream is selected from the plurality of hypothetical soft-combined ACK bit streams based on the parameter.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: November 5, 2019
    Assignee: Cavium, LLC
    Inventors: Sabih Guzelgoz, Hong Jik Kim, Tejas Maheshbhai Bhatt, Fariba Heidari
  • Patent number: 10459770
    Abstract: A method and a system for port access management at a distributed job manager, encompassing: initializing a port access process for each of one or more ports on a processing device; determining first whether a job is assigned to an active slot identified by an active_slot_id on the processing device, and when the determining is positive: determining second whether the job has been serviced by a port identified by the active_slot_id; and when either the first determining is negative or the second determining is positive then: retesting the first and second determining; else: determining whether the job requires an access to the port identified by the active_slot_id; and when the determining is positive: fetching the port's configuration words; processing the fetched port's configuration words; marking the job as serviced by the port upon conclusion or the processing of the fetched port's configuration words; and recalculating the value of the active_slot_id.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: October 29, 2019
    Assignee: Cavium, LLC
    Inventors: Kalyana Sundaram Venkataraman, Tejas Maheshbhai Bhatt, Hong Jik Kim, Eric Marenger, Ahmed Shahid, Jason Daniel Zebchuk
  • Patent number: 10362498
    Abstract: Methods and apparatus for coordinated multipoint receiver processing acceleration and latency reduction. In an exemplary embodiment, an apparatus includes a receiver that receives symbols from a wireless transmission and stores the symbols in a memory. The receiver also outputs an indicator that indicates that storage of the symbols in the memory has begun. The apparatus also includes a controller that outputs control signaling in response to the indicator. The apparatus also includes a link that acquires the symbols and remote scheduling and control information (RSCI) from the memory in response to receiving the control signaling. The link combines the symbols with the RSCI to form packets and transmits the packets to an external system.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: July 23, 2019
    Assignee: CAVIUM, LLC
    Inventors: Ahmed Shahid, Jason Daniel Zebchuk, Tejas Maheshbhai Bhatt, Hong Jik Kim
  • Publication number: 20190141725
    Abstract: Methods and apparatus for simultaneous multiprotocol processing of different radio standards using a common pipeline. In an exemplary embodiment an apparatus includes a plurality of wireless interfaces that transmit radio data symbols, a scheduler that outputs scheduled events that control transmission of the radio data symbols using any wireless interface type and any radio protocol, and an event processor that processes the transmission events to transport the radio data symbols to selected wireless interfaces for over the air transmission using selected radio protocols.
    Type: Application
    Filed: August 23, 2018
    Publication date: May 9, 2019
    Applicant: Cavium, Inc.
    Inventors: Ahmed Shahid, Tejas Maheshbhai Bhatt, Eric Marenger
  • Publication number: 20190021013
    Abstract: Methods and apparatus for coordinated multipoint receiver processing acceleration and latency reduction. In an exemplary embodiment, an apparatus includes a receiver that receives symbols from a wireless transmission and stores the symbols in a memory. The receiver also outputs an indicator that indicates that storage of the symbols in the memory has begun. The apparatus also includes a controller that outputs control signaling in response to the indicator. The apparatus also includes a link that acquires the symbols and remote scheduling and control information (RSCI) from the memory in response to receiving the control signaling. The link combines the symbols with the RSCI to form packets and transmits the packets to an external system.
    Type: Application
    Filed: August 31, 2017
    Publication date: January 17, 2019
    Applicant: Cavium, Inc.
    Inventors: Ahmed Shahid, Jason Daniel Zebchuk, Tejas Maheshbhai Bhatt, Hong Jik Kim