Patents by Inventor Hong-Jik Kim
Hong-Jik Kim 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).
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Patent number: 11490388Abstract: Methods and apparatus for combining received uplink transmissions. In an embodiment, a method is provided that includes receiving a descrambled resource element associated with selected second channel state information (CSI2) and receiving a descrambling sequence used to generate the descrambled RE. The method also includes rescrambling the descrambled RE using the descrambling sequence to generate a rescrambled RE and modifying the descrambling sequence to generate a modified descrambling sequence. The method also includes descrambling the rescrambled RE with the modified descrambling sequence to generate a modified descrambled RE and accumulating the modified descrambled RE to form a combined CSI2 value.Type: GrantFiled: March 1, 2021Date of Patent: November 1, 2022Assignee: Marvell Asia Pte, Ltd.Inventors: Sabih Guzelgoz, Hong Jik Kim
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Publication number: 20220303363Abstract: Methods and apparatus for compressing data streams. In an embodiment, a method includes calculating a probability distribution function (PDF) for scaler data, matching the PDF to PDF templates to determine a closest matching PDF template, and selecting an encoder corresponding to the closest matching PDF template wherein a corresponding encoder identifier is determined. The method also includes encoding the scaler data with the encoder to generate an encoded stream, and transmitting the encoded stream and the encoder identifier.Type: ApplicationFiled: June 6, 2022Publication date: September 22, 2022Applicant: Marvell Asia Pte, Ltd.Inventors: Kalpendu Ratanshi Pasad, Hong Jik Kim
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Publication number: 20220261540Abstract: Methods and apparatus for compressing data streams. In an embodiment, a method includes calculating a decomposition of matrix data to generate eigenvectors and associated eigenvalues, determining clusters of the eigenvectors based on weighting the eigenvalues, calculating an eigenvector centroid for each cluster so that a dictionary of centroids is generated, and tagging the eigenvectors with tags, respectively, that identify an associated eigenvector centroid for each eigenvector.Type: ApplicationFiled: May 2, 2022Publication date: August 18, 2022Applicant: Marvell Asia Pte. Ltd.Inventors: Kalpendu Ratanshi Pasad, Hong Jik Kim
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Publication number: 20220261541Abstract: Methods and apparatus for compressing data streams. In an embodiment, a method includes calculating a decomposition of matrix data to generate eigenvectors and associated eigenvalues, determining clusters of the eigenvectors based on weighting the eigenvalues, calculating an eigenvector centroid for each cluster so that a dictionary of centroids is generated, and tagging the eigenvectors with tags, respectively, that identify an associated eigenvector centroid for each eigenvector.Type: ApplicationFiled: May 2, 2022Publication date: August 18, 2022Applicant: Marvell Asia Pte. Ltd.Inventors: Kalpendu Ratanshi Pasad, Hong Jik Kim
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Patent number: 11368559Abstract: Methods and apparatus for compressing data streams. In an embodiment, a method includes calculating a probability distribution function (PDF) for scaler data, matching the PDF to PDF templates to determine a closest matching PDF template, and selecting an encoder corresponding to the closest matching PDF template wherein a corresponding encoder identifier is determined. The method also includes encoding the scaler data with the encoder to generate an encoded stream, and transmitting the encoded stream and the encoder identifier.Type: GrantFiled: April 7, 2020Date of Patent: June 21, 2022Assignee: Marvell Asia Pte, Ltd.Inventors: Kalpendu Ratanshi Pasad, Hong Jik Kim
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Patent number: 11347941Abstract: Methods and apparatus for compressing data streams. In an embodiment, a method includes calculating a decomposition of matrix data to generate eigenvectors and associated eigenvalues, determining clusters of the eigenvectors based on weighting the eigenvalues, calculating an eigenvector centroid for each cluster so that a dictionary of centroids is generated, and tagging the eigenvectors with tags, respectively, that identify an associated eigenvector centroid for each eigenvector.Type: GrantFiled: April 28, 2020Date of Patent: May 31, 2022Assignee: Marvell Asia Pte, Ltd.Inventors: Kalpendu Ratanshi Pasad, Hong Jik Kim
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Publication number: 20220116174Abstract: Methods and apparatus for symbol-to-symbol multiplexing of control, data, and reference signals on a 5G uplink. In one aspect, a job descriptor generator is configured to calculate mapping parameters for each symbol based on high level configuration parameters. A data/UCI multiplexing job engine, which is coupled to the job descriptor generator, provides symbol-based multiplexing and mapping which includes calculating reserved locations for PTRS and DMRS based on frequency-domain mapping of both PTRS and DMRS and multiplexing of data and controls from calculated intermediate parameters. A downstream processor is coupled to the job engine and configured to modulate data and control REs and insert DMRS or PTRS. In one example, the job descriptor generator is a configurable DSP processor and the job engine is an ASIC hardware accelerator.Type: ApplicationFiled: December 17, 2021Publication date: April 14, 2022Applicant: Marvell Asia Pte, Ltd.Inventors: Yuanbin Guo, Hong Jik Kim
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Publication number: 20220085905Abstract: Methods and apparatus for successive interference cancellation (SIC). In an embodiment, a method includes receiving symbols from a plurality of user equipment (UE), identify a target UE and non-target UEs, decoding code blocks from the symbols received from the non-target UEs to generate decoded bits for each code block. The method also includes performing a CRC check on each code block to generate a tag (0) when the CRC check passes and a tag (1) when the CRC check fails, and re-encoding the decoded bits to generate re-encoded code blocks having the associated tags attached. The method also includes reconstructing symbols from the re-encoded code blocks where symbols reconstructed from re-encoded code blocks having tag (0) are reconstructed with data and symbols reconstructed from re-encoded code blocks having tag (1) are reconstructed as zero value symbols, and utilizing the reconstructed symbols to cancel interference on symbols from the target UE.Type: ApplicationFiled: November 26, 2021Publication date: March 17, 2022Applicant: Marvell Asia Pte, Ltd.Inventors: Hong Jik Kim, Timothy Shee Yao, Nagabhushana Rao Kurapati
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Publication number: 20220078053Abstract: Methods and apparatus for decoding received uplink transmissions. In an embodiment, a method includes receiving a stream having data LLRs and second channel state information (CSI2) LLRs, and separating the data LLRs into a data stream and the CSI2 LLRs into a CSI2 stream based on configuration parameters. The method also includes decoding the data stream to generate decoded data, and decoding the CSI2 stream to generate decoded CSI2 information. An apparatus includes a first LLR preprocessor that receives a stream having data LLRs and second channel state information (CSI2) LLRs and separates the data LLRs into a data stream, and a second LLR preprocessor that receives the stream and separates the CSI2 LLRs into a CSI2 stream. The apparatus also includes a data decoder that decodes the data stream to generate decoded data, and a CSI2 decoder that decodes the CSI2 stream to generate decoded CSI2 information.Type: ApplicationFiled: November 19, 2021Publication date: March 10, 2022Applicant: Marvell Asia Pte, Ltd.Inventors: Sabih Guzelgoz, Hong Jik Kim, Nagabhushana Rao Kurapati, Xing Qian
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Publication number: 20220069964Abstract: 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: ApplicationFiled: November 10, 2021Publication date: March 3, 2022Applicant: Marvell Asia Pte, Ltd.Inventors: Sabih Guzelgoz, Hong Jik Kim, Tejas Maheshbhai Bhatt, Fariba Heidari
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Publication number: 20220060912Abstract: Methods and apparatus for configuring a front end to process multiple sectors with multiple radio frequency frames. In an exemplary embodiment, a method includes decoding instructions included in a job description list, and configuring one or more processing functions of a transceiver to process a radio signal associated with a selected sector based on the decoded instructions. The configuration of the processing functions is synchronized according to time control instructions included in the job description list.Type: ApplicationFiled: November 1, 2021Publication date: February 24, 2022Applicant: Marvell Asia Pte. Ltd.Inventors: Mehran Nekuii, Frank H. Worrell, Hong Jik Kim
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Patent number: 11239964Abstract: Methods and apparatus for symbol-to-symbol multiplexing of control, data, and reference signals on a 5G uplink. In one aspect, a job descriptor generator is configured to calculate mapping parameters for each symbol based on high level configuration parameters. A data/UCI multiplexing job engine, which is coupled to the job descriptor generator, provides symbol-based multiplexing and mapping which includes calculating reserved locations for PTRS and DMRS based on frequency-domain mapping of both PTRS and DMRS and multiplexing of data and controls from calculated intermediate parameters. A downstream processor is coupled to the job engine and configured to modulate data and control REs and insert DMRS or PTRS. In one example, the job descriptor generator is a configurable DSP processor and the job engine is an ASIC hardware accelerator.Type: GrantFiled: May 1, 2019Date of Patent: February 1, 2022Assignee: Marvell Asia Pte, Ltd.Inventors: Yuanbin Guo, Hong Jik Kim
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Patent number: 11223441Abstract: Methods and apparatus for successive interference cancellation (SIC). In an embodiment, a method includes receiving symbols from a plurality of user equipment (UE), identify a target UE and non-target UEs, decoding code blocks from the symbols received from the non-target UEs to generate decoded bits for each code block. The method also includes performing a CRC check on each code block to generate a tag (0) when the CRC check passes and a tag (1) when the CRC check fails, and re-encoding the decoded bits to generate re-encoded code blocks having the associated tags attached. The method also includes reconstructing symbols from the re-encoded code blocks where symbols reconstructed from re-encoded code blocks having tag (0) are reconstructed with data and symbols reconstructed from re-encoded code blocks having tag (1) are reconstructed as zero value symbols, and utilizing the reconstructed symbols to cancel interference on symbols from the target UE.Type: GrantFiled: August 14, 2020Date of Patent: January 11, 2022Assignee: Marvell Asia Pte, Ltd.Inventors: Hong Jik Kim, Timothy Shee Yao, Nagabhushana Rao Kurapati
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Publication number: 20220007273Abstract: Methods and apparatus for providing a resource element identification system to process received uplink transmissions. In an embodiment, a method is provided that includes receiving one or more symbols from an uplink transmission. Each symbol comprises resource elements. The method also includes categorizing the resource elements into a plurality of categories to generated categorized resource elements, and forwarding the categorized resource elements to downstream processing functions.Type: ApplicationFiled: September 17, 2021Publication date: January 6, 2022Applicant: Marvell Asia Pte, Ltd.Inventors: Sabih Guzelgoz, Hong Jik Kim
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Patent number: 11212144Abstract: Methods and apparatus for decoding received uplink transmissions. In an embodiment, a method includes receiving a stream having data LLRs and second channel state information (CSI2) LLRs, and separating the data LLRs into a data stream and the CSI2 LLRs into a CSI2 stream based on configuration parameters. The method also includes decoding the data stream to generate decoded data, and decoding the CSI2 stream to generate decoded CSI2 information. An apparatus includes a first LLR preprocessor that receives a stream having data LLRs and second channel state information (CSI2) LLRs and separates the data LLRs into a data stream, and a second LLR preprocessor that receives the stream and separates the CSI2 LLRs into a CSI2 stream. The apparatus also includes a data decoder that decodes the data stream to generate decoded data, and a CSI2 decoder that decodes the CSI2 stream to generate decoded CSI2 information.Type: GrantFiled: June 28, 2019Date of Patent: December 28, 2021Assignee: Marvell Asia Pte, Ltd.Inventors: Sabih Guzelgoz, Hong Jik Kim, Nagabhushana Rao Kurapati, Xing Qian
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Patent number: 11177926Abstract: 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: GrantFiled: September 25, 2019Date of Patent: November 16, 2021Assignee: Marvell Asia Pte, Ltd.Inventors: Sabih Guzelgoz, Hong Jik Kim, Tejas Maheshbhai Bhatt, Fariba Heidari
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Patent number: 11172379Abstract: Methods and apparatus for configuring a front end to process multiple sectors with multiple radio frequency frames. In an exemplary embodiment, a method includes decoding instructions included in a job description list, and configuring one or more processing functions of a transceiver to process a radio signal associated with a selected sector based on the decoded instructions. The configuration of the processing functions is synchronized according to time control instructions included in the job description list.Type: GrantFiled: January 4, 2017Date of Patent: November 9, 2021Assignee: Marvell Asia Pte, Ltd.Inventors: Mehran Nekuii, Frank Henry Worrell, Hong Jik Kim
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Publication number: 20210344547Abstract: 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: ApplicationFiled: July 14, 2021Publication date: November 4, 2021Applicant: Marvell Asia Pte, Ltd.Inventors: Hyun Soo Cheon, Hong Jik Kim, Tejas Maheshbhai Bhatt
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Patent number: 11129091Abstract: Methods and apparatus for providing a resource element identification system to process received uplink transmissions. In an embodiment, a method is provided that includes receiving one or more symbols from an uplink transmission. Each symbol comprises resource elements. The method also includes categorizing the resource elements into a plurality of categories to generated categorized resource elements, and forwarding the categorized resource elements to downstream processing functions.Type: GrantFiled: May 24, 2019Date of Patent: September 21, 2021Assignee: Marvell Asia Pte, Ltd.Inventors: Sabih Guzelgoz, Hong Jik Kim
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Patent number: 11095491Abstract: 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: GrantFiled: January 15, 2020Date of Patent: August 17, 2021Assignee: Cavium, LLC.Inventors: Hyun Soo Cheon, Hong Jik Kim, Tejas Maheshbhai Bhatt