Patents by Inventor CLAUDIO DA SILVA

CLAUDIO DA SILVA 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: 11044031
    Abstract: An apparatus of a transmitter may include, for example, a Golay builder to build modulated Golay sequences for at least a non-EDMG Short Training Field (L-STF), and a non-EDMG Channel Estimation Field (L-CEF) of a PPDU; a scrambler to generate scrambled bits by scrambling bits of a non-EDMG header (L-header) and a data field of the PPDU; an encoder to encode the scrambled bits into encoded bits according to a low-density parity-check (LDDC) code; a constellation mapper to map the encoded bits into a stream of constellation points according to a constellation scheme; a spreader to spread the stream of constellation points according to a Golay sequence; and a transmit chain mapper to map a bit stream output from the Golay builder and the spreader to a plurality of transmit chains by applying a spatial expansion with relative cyclic shift over the plurality of transmit chains.
    Type: Grant
    Filed: June 21, 2020
    Date of Patent: June 22, 2021
    Assignee: INTEL IP CORPORATION
    Inventors: Alexander Maltsev, Carlos Cordeiro, Artyom Lomayev, Michael Genossar, Claudio Da Silva
  • Patent number: 11039402
    Abstract: This disclosure describes systems, methods, and devices related to transmit power control (TPC). A device may identify a link measurement request frame from a first station device. The device may determine, for each transmit chain of the first station device, a TPC action to be performed by the first device. The device may cause to send a link measurement report frame comprising a value indicative of the TPC action for each transmit chain. The device may identify an acknowledgement from the first station device.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: June 15, 2021
    Assignee: Intel Corporation
    Inventors: Claudio Da Silva, Cheng Chen, Carlos Cordeiro
  • Publication number: 20210168010
    Abstract: Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating a PPDU including a training field. For example, an Enhanced Directional Multi-Gigabit (DMG) (EDMG) wireless communication station may be configured to determine one or more Orthogonal Frequency Division Multiplexing (OFDM) Training (TRN) sequences in a frequency domain based on a count of one or more 2.16 Gigahertz (GHz) channels in a channel bandwidth for transmission of an EDMG PPDU including a TRN field; generate one or more OFDM TRN waveforms in a time domain based on the one or more OFDM TRN sequences, respectively, and based on an OFDM TRN mapping matrix, which is based on a count of the one or more transmit chains; and transmit an OFDM mode transmission of the EDMG PPDU over the channel bandwidth, the OFDM mode transmission comprising transmission of the TRN field based on the one or more OFDM TRN waveforms.
    Type: Application
    Filed: December 14, 2020
    Publication date: June 3, 2021
    Applicant: INTEL CORPORATION
    Inventors: Artyom Lomayev, Alexander Maltsev, Claudio Da Silva, Carlos Cordeiro
  • Patent number: 11025369
    Abstract: Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating an Enhanced Directional Multi-Gigabit (DMG) (EDMG) Physical Layer Protocol Data Unit (PPDU). For example, an EDMG wireless communication station (STA) may be configured to communicate an EDMG PPDU including a Channel Estimation Field (CEF) and/or a pilot sequence, which may be configured for an OFDM mode.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: June 1, 2021
    Assignee: INTEL IP CORPORATION
    Inventors: Artyom Lomayev, Alexander Maltsev, Michael Genossar, Claudio Da Silva, Carlos Cordeiro
  • Publication number: 20210160788
    Abstract: This disclosure describes systems, methods, and devices related to transmit power control (TPC). A device may identify a link measurement request frame from a first station device. The device may determine, for each transmit chain of the first station device, a TPC action to be performed by the first device. The device may cause to send a link measurement report frame comprising a value indicative of the TPC action for each transmit chain. The device may identify an acknowledgement from the first station device.
    Type: Application
    Filed: February 4, 2021
    Publication date: May 27, 2021
    Applicant: Intel Corporation
    Inventors: Claudio Da Silva, Cheng Chen, Carlos Cordeiro
  • Publication number: 20210105091
    Abstract: For example, a wireless station may be configured to map a plurality of data symbols to Orthogonal Frequency-Division Multiplexing (OFDM) symbols in a plurality of spatial (space-time) streams, to map a plurality of modulated pilot sequences to the OFDM symbols according to a pilot mapping scheme, and to transmit an OFDM Multiple-Input-Multiple-Output (MIMO) transmission based on the plurality of spatial streams.
    Type: Application
    Filed: September 11, 2017
    Publication date: April 8, 2021
    Applicant: INTEL CORPORATION
    Inventors: Artyom Lomayev, Alexander Maltsev, Michael Genossar, Claudio Da Silva, Carlos Cordeiro
  • Patent number: 10945273
    Abstract: For example, a first Enhanced Directional Multi-Gigabit (DMG) (EDMG) station (STA) may be configured to exchange first and second Beam Refinement Protocol (BRP) setup frames with a second EDMG STA to initiate a BRP Transmit Sector Sweep (TXSS) over an aggregated channel bandwidth including an aggregation of a primary channel and a secondary channel in a frequency band above 45 GHz; during the BRP TXSS, transmit a plurality of BRP frames to the second EDMG STA over the primary channel and the secondary channel according to an EDMG control mode; determine a transmit beamforming configuration over the aggregated channel bandwidth based on BRP feedback from the second EDMG STA; and transmit an EDMG Physical Layer (PHY) Protocol Data Unit (PPDU) to the second EDMG STA over the aggregated channel bandwidth based on the transmit beamforming configuration.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: March 9, 2021
    Assignee: INTEL IP CORPORATION
    Inventors: Claudio Da Silva, Cheng Chen, Artyom Lomayev, Carlos Cordeiro
  • Publication number: 20210067227
    Abstract: For example, an Enhanced Directional Multi-Gigabit (EDMG) initiator station (STA) of a Beam Refinement Protocol (BRP) Transmit (TX) Sector Sweep (SS) (TXSS) may be configured to, during an initiator BRP TXSS, transmit one or more initiator EDMG BRP-TX packets to an EDMG responder STA; during a responder BRP TXSS following the initiator BRP TXSS, to receive one or more responder EDMG BRP-TX packets from the EDMG responder STA; and to transmit to the EDMG responder STA a BRP frame including feedback based on measurements on the one or more responder EDMG BRP-TX packets.
    Type: Application
    Filed: June 21, 2018
    Publication date: March 4, 2021
    Applicant: INTEL CORPORATION
    Inventors: Claudio Da Silva, Artyom Lomayev, Jonathan Kosloff, Carlos Cordeiro, Cheng Chen
  • Publication number: 20210068051
    Abstract: For example, an EDMG STA may be configured to receive an A-MPDU for the EDMG STA in an EDMG MU PPDU from an EDMG MU-MIMO initiator station; to determine, according to an ordered acknowledgement scheme, a Block Acknowledgement (BA) period in which the EDMG STA is to be awake to allow transmission of a BA from the EDMG STA to the EDMG MU-MIMO initiator STA; to allow the EDMG STA to be in a power save mode during a first power save period from a time of an End of Frame (EOF) field in the A-MPDU for the EDMG STA until a beginning of the BA period; to transmit the BA to the EDMG MU-MIMO initiator; and to allow the EDMG STA to be in the power save mode during a second power save period after transmission of the BA.
    Type: Application
    Filed: June 17, 2018
    Publication date: March 4, 2021
    Applicant: INTEL IP CORPORATION
    Inventors: Cheng Chen, Carlos Cordeiro, Claudio Da Silva, Oren Kedem
  • Patent number: 10938498
    Abstract: An apparatus of a transmitter may include, for example, a Golay builder to build modulated Golay sequences for at least a non-EDMG Short Training Field (L-STF), and a non-EDMG Channel Estimation Field (L-CEF) of a PPDU; a scrambler to generate scrambled bits by scrambling bits of a non-EDMG header (L-header) and a data field of the PPDU; an encoder to encode the scrambled bits into encoded bits according to a low-density parity-check (LDPC) code; a constellation mapper to map the encoded bits into a stream of constellation points according to a constellation scheme; a spreader to spread the stream of constellation points according to a Golay sequence; and a transmit chain mapper to map a bit stream output from the Golay builder and the spreader to a plurality of transmit chains by applying a spatial expansion with relative cyclic shift over the plurality of transmit chains.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: March 2, 2021
    Assignee: INTEL IP CORPORATION
    Inventors: Alexander Maltsev, Carlos Cordeiro, Artyom Lomayev, Michael Genossar, Claudio Da Silva
  • Patent number: 10924217
    Abstract: For example, an EDMG STA may be configured to generate a plurality of spatial streams of an EDMG PPDU; map the plurality of spatial streams to a respective plurality of pairs of space-time streams according to an STBC scheme by mapping a first data sequence of a spatial stream to a first symbol in an odd numbered space-time stream, mapping a second data sequence of the spatial stream to a second symbol in the odd numbered space-time stream, mapping a sign inverted complex conjugate of the second data sequence to a first symbol in an even numbered space-time stream, and mapping a complex conjugate of the first data sequence to a second symbol in the even numbered space-time stream; and transmit a transmission comprising the plurality of pairs of space-time streams over a channel bandwidth in a frequency band above 45 Gigahertz (GHz).
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: February 16, 2021
    Assignee: INTEL IP CORPORATION
    Inventors: Artyom Lomayev, Alexander Maltsev, Michael Genossar, Claudio Da Silva, Carlos Cordeiro
  • Patent number: 10924218
    Abstract: For example, a station may generate a plurality of space-time streams including at least a first space-time stream and a second space-time stream, the first space-time stream including, in a first interval, a first data sequence followed by a first Guard Interval (GI) sequence, the first space-time stream comprising, in a second interval subsequent to the first interval, a second data sequence followed by the first GI sequence, the second space-time stream comprising, in the first interval, a sign-inverted and time-inverted complex conjugate of the second data sequence followed by a second GI sequence, the second space-time stream comprising, in the second interval, a time-inverted complex conjugate of the first data sequence followed by the second GI sequence; and transmit a Single Carrier (SC) Multiple-Input-Multiple-Output (MIMO) transmission based on the plurality of space-time streams.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: February 16, 2021
    Assignee: INTEL IP CORPORATION
    Inventors: Artyom Lomayev, Alexander Maltsev, Michael Genossar, Claudio Da Silva, Carlos Cordeiro, Vladimir Kravtsov, Iaroslav P. Gagiev
  • Publication number: 20210044407
    Abstract: For example, a first device may calibrate a reference channel estimation based on a plurality of first channel estimation measurements, the plurality of first channel estimation measurements corresponding to first PPDUs received from a second device over a wireless channel, wherein two consecutive channel estimation measurements of the plurality of first channel estimation measurements are separated by no more than a first time interval; and determine a plurality of second channel estimation measurements for detection of a change in an environment of the wireless channel based on the reference channel estimation, wherein the plurality of second channel estimation measurements corresponds to a plurality of second PPDUs received from the second device over the wireless channel, wherein two consecutive channel estimation measurements of the plurality of second channel estimation measurements are separated by at least a second time interval, the second time interval is longer than the first time interval.
    Type: Application
    Filed: October 29, 2020
    Publication date: February 11, 2021
    Applicant: INTEL CORPORATION
    Inventors: Artyom Lomayev, Claudio Da Silva, Alexander Maltsev, Carlos Cordeiro
  • Patent number: 10911118
    Abstract: Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating a Physical Layer Protocol Data Unit (PPDU). For example, an Enhanced Directional Multi-Gigabit (DMG) (EDMG) station (STA) may be configured to generate a Physical Layer (PHY) PPDU; generate one or more PPDU waveforms corresponding to one or more respective transmit chains for digital beamforming transmission of the PPDU; and transmit the PPDU via the one or more transmit chains over a channel bandwidth of at least 2.16 Gigahertz (GHz) in a frequency band above 45 GHz.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: February 2, 2021
    Assignee: INTEL IP CORPORATION
    Inventors: Artyom Lomayev, Alexander Maltsev, Michael Genossar, Claudio Da Silva, Carlos Cordeiro
  • Patent number: 10904062
    Abstract: Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating a PPDU including a training field. For example, an Enhanced Directional Multi-Gigabit (DMG) (EDMG) wireless communication station may be configured to determine one or more Orthogonal Frequency Division Multiplexing (OFDM) Training (TRN) sequences in a frequency domain based on a count of one or more 2.16 Gigahertz (GHz) channels in a channel bandwidth for transmission of an EDMG PPDU including a TRN field; generate one or more OFDM TRN waveforms in a time domain based on the one or more OFDM TRN sequences, respectively, and based on an OFDM TRN mapping matrix, which is based on a count of the one or more transmit chains; and transmit an OFDM mode transmission of the EDMG PPDU over the channel bandwidth, the OFDM mode transmission comprising transmission of the TRN field based on the one or more OFDM TRN waveforms.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: January 26, 2021
    Assignee: INTEL CORPORATION
    Inventors: Artyom Lomayev, Alexander Maltsev, Claudio Da Silva, Carlos Cordeiro
  • Publication number: 20210007112
    Abstract: For example, a first Enhanced Directional Multi-Gigabit (DMG) (EDMG) station (STA) may be configured to exchange first and second Beam Refinement Protocol (BRP) setup frames with a second EDMG STA to initiate a BRP Transmit Sector Sweep (TXSS) over an aggregated channel bandwidth including an aggregation of a primary channel and a secondary channel in a frequency band above 45 GHz; during the BRP TXSS, transmit a plurality of BRP frames to the second EDMG STA over the primary channel and the secondary channel according to an EDMG control mode; determine a transmit beamforming configuration over the aggregated channel bandwidth based on BRP feedback from the second EDMG STA; and transmit an EDMG Physical Layer (PHY) Protocol Data Unit (PPDU) to the second EDMG STA over the aggregated channel bandwidth based on the transmit beamforming configuration.
    Type: Application
    Filed: September 24, 2020
    Publication date: January 7, 2021
    Applicant: INTEL IP CORPORATION
    Inventors: Claudio Da Silva, Cheng Chen, Artyom Lomayev, Carlos Cordeiro
  • Publication number: 20210006309
    Abstract: For example, an EDMG STA may generate an LDPC coded bit stream for a user based on data bits for the user in an EDMG PPDU, the LDPC coded bit stream for the user including a concatenation of a plurality of LDPC codewords, a count of the plurality of LDPC codewords is based at least on a codeword length for the user and on a code rate for the user; generate encoded and padded bits for the user by concatenating the LDPC coded bit stream with a plurality of coded pad zero bits, a count of the coded pad zero bits is based at least on a count of one or more spatial streams for the user and on the count of the plurality of LDPC codewords for the user; and distribute the encoded and padded bits for the user to the one or more spatial streams for the user.
    Type: Application
    Filed: September 22, 2020
    Publication date: January 7, 2021
    Applicant: INTEL IP CORPORATION
    Inventors: Artyom Lomayev, Claudio Da Silva, Michael Genossar, Alexander Maltsev, Carlos Cordeiro
  • Publication number: 20210006308
    Abstract: For example, an EDMG STA may generate an LDPC coded bit stream for a user based on data bits for the user in an EDMG PPDU, the LDPC coded bit stream for the user including a concatenation of a plurality of LDPC codewords, a count of the plurality of LDPC codewords is based at least on a codeword length for the user and on a code rate for the user; generate encoded and padded bits for the user by concatenating the LDPC coded bit stream with a plurality of coded pad zero bits, a count of the coded pad zero bits is based at least on a count of one or more spatial streams for the user and on the count of the plurality of LDPC codewords for the user; and distribute the encoded and padded bits for the user to the one or more spatial streams for the user.
    Type: Application
    Filed: September 22, 2020
    Publication date: January 7, 2021
    Applicant: INTEL IP CORPORATION
    Inventors: Artyom Lomayev, Claudio Da Silva, Michael Genossar, Alexander Maltsev, Carlos Cordeiro
  • Publication number: 20210007111
    Abstract: For example, a first Enhanced Directional Multi-Gigabit (DMG) (EDMG) station (STA) may be configured to exchange first and second Beam Refinement Protocol (BRP) setup frames with a second EDMG STA to initiate a BRP Transmit Sector Sweep (TXSS) over an aggregated channel bandwidth including an aggregation of a primary channel and a secondary channel in a frequency band above 45 GHz; during the BRP TXSS, transmit a plurality of BRP frames to the second EDMG STA over the primary channel and the secondary channel according to an EDMG control mode; determine a transmit beamforming configuration over the aggregated channel bandwidth based on BRP feedback from the second EDMG STA; and transmit an EDMG Physical Layer (PHY) Protocol Data Unit (PPDU) to the second EDMG STA over the aggregated channel bandwidth based on the transmit beamforming configuration.
    Type: Application
    Filed: September 24, 2020
    Publication date: January 7, 2021
    Applicant: INTEL IP CORPORATION
    Inventors: Claudio Da Silva, Cheng Chen, Artyom Lomayev, Carlos Cordeiro
  • Patent number: 10886989
    Abstract: Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating a Physical Layer Protocol Data Unit (PPDU). For example, an Enhanced Directional Multi-Gigabit (DMG) (EDMG) station (STA) may be configured to generate a Physical Layer (PHY) PPDU; generate one or more PPDU waveforms corresponding to one or more respective transmit chains for digital beamforming transmission of the PPDU; and transmit the PPDU via the one or more transmit chains over a channel bandwidth of at least 2.16 Gigahertz (GHz) in a frequency band above 45 GHz.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: January 5, 2021
    Assignee: INTEL IP CORPORATION
    Inventors: Artyom Lomayev, Alexander Maltsev, Michael Genossar, Claudio Da Silva, Carlos Cordeiro