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: 11218251
    Abstract: Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating an Enhanced Directional Multi-Gigabit (DMG) (EDMG) Orthogonal Frequency-Division Multiplexing (OFDM) Physical layer (PHY) Protocol Data Unit (PPDU). For example, an EDMG station (STA) may be configured to generate an EDMG OFDM PPDU including at least a non-EDMG header (L-Header), an EDMG header, and a data field, the EDMG header including a spoofing error length indicator field configured to indicate whether or not a spoofing error of the EDMG OFDM PPDU is less than one OFDM symbol duration; and to transmit the EDMG OFDM PPDU over a channel bandwidth in a frequency band above 45 Gigahertz (GHz).
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: January 4, 2022
    Assignee: INTEL CORPORATION
    Inventors: Claudio Da Silva, Artyom Lomayev, Alexander Maltsev, Carlos Cordeiro, Michael Genossar
  • Patent number: 11206104
    Abstract: Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating an Enhanced Directional Multi-Gigabit (DMG) (EDMG) Orthogonal Frequency-Division Multiplexing (OFDM) Physical layer (PHY) Protocol Data Unit (PPDU). For example, an EDMG station (STA) may be configured to generate an EDMG OFDM PPDU including at least a non-EDMG header (L-Header), an EDMG header, and a data field, the EDMG header including a spoofing error length indicator field configured to indicate whether or not a spoofing error of the EDMG OFDM PPDU is less than one OFDM symbol duration; and to transmit the EDMG OFDM PPDU over a channel bandwidth in a frequency band above 45 Gigahertz (GHz).
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: December 21, 2021
    Assignee: INTEL CORPORATION
    Inventors: Claudio Da Silva, Artyom Lomayev, Alexander Maltsev, Carlos Cordeiro, Michael Genossar
  • Patent number: 11184061
    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: Grant
    Filed: June 25, 2020
    Date of Patent: November 23, 2021
    Assignee: INTEL CORPORATION
    Inventors: Artyom Lomayev, Claudio Da Silva, Michael Genossar, Alexander Maltsev, Carlos Cordeiro
  • Publication number: 20210351859
    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: Application
    Filed: June 14, 2021
    Publication date: November 11, 2021
    Applicant: INTEL IP CORPORATION
    Inventors: Alexander Maltsev, Carlos Cordeiro, Artyom Lomayev, Michael Genossar, Claudio Da Silva
  • Patent number: 11158132
    Abstract: This disclosure describes methods, apparatus, and systems related to media access control (MAC) range extension. A device may cause to append a training field to each of one or more beacon frames. The device may cause to send the one or more beacon frames directionally using a sector sweep to one or more responder devices during a first interval. The device may determine an extended schedule element to be sent to the one or more responder devices, the extended schedule element including one or more directional antenna sectors to be used by the device during a second interval. The device may identify a first frame from a first responder device, during the second interval, wherein the first frame is received on a directional antenna sector of the one or more directional antenna sectors corresponding to an operating sector of the first responder device.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: October 26, 2021
    Assignee: Intel Corporation
    Inventors: Cheng Chen, Carlos Cordeiro, Claudio Da Silva, Solomon Trainin, Alexander Maltsev, Artyom Lomayev
  • Patent number: 11160081
    Abstract: For example, an Enhanced Directional Multi-Gigabit (DMG) (EDMG) wireless communication station (STA) may be configured to scramble, according to a first scrambling sequence, a plurality of EDMG Header B bits of an EDMG Header B field of an EDMG Multi-User (MU) Physical Layer (PHY) Protocol Data Unit (PPDU) into a plurality of scrambled header bits; generate a Low-Density Parity-Check (LDPC) codeword based on the plurality of scrambled header bits; determine a data block based on the LDPC codeword; generate one or more scrambled data blocks based on the data block by scrambling the data block according to a second scrambling sequence; and transmit a wireless transmission of the EDMG Header B based on the one or more scrambled data blocks.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: October 26, 2021
    Assignee: INTEL CORPORATION
    Inventors: Artyom Lomayev, Alexander Maltsev, Michael Genossar, Claudio Da Silva, Carlos Cordeiro
  • Publication number: 20210328709
    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 encode a Physical Layer (PHY) Service Data Unit (PSDU) of at least one user in an EDMG PM Protocol Data Unit (PPDU) according to an EDMG Low-Density Parity-Check (LDPC) encoding scheme, which is based at least on a count of one or more spatial streams for transmission to the user; and transmit the EDMG PPDU in a transmission over a channel bandwidth in a frequency band above 45 Gigahertz (GHz).
    Type: Application
    Filed: June 23, 2021
    Publication date: October 21, 2021
    Applicant: INTEL IP CORPORATION
    Inventors: Artyom Lomayev, Alexander Maltsev, Michael Genossar, Claudio Da Silva, Carlos Cordeiro
  • Patent number: 11153821
    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: Grant
    Filed: June 17, 2018
    Date of Patent: October 19, 2021
    Assignee: INTEL CORPORATION
    Inventors: Cheng Chen, Carlos Cordeiro, Claudio Da Silva, Oren Kedem
  • Publication number: 20210314732
    Abstract: Methods, apparatuses, and computer readable media for report identification and power control for multi-device wireless sensing in a wireless network are disclosed. An apparatus of an access point (AP) is disclosed, where the apparatus comprises processing circuitry configured to encode for transmission to a station (STA) a frame comprising a configuration hold subfield, the hold subfield indicating whether the STA should maintain a transmit configuration unchanged during uplink (UL) sensing. The processing circuitry further configured to encode for transmission a trigger frame (TF) for sensing, the TF for sensing including an identification of the STA, an indication of a resource unit (RU) for the STA to use to transmit an uplink (UL) sensing packet, and TF type subfield, the a TF type subfield indicating the TF for sensing.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 7, 2021
    Inventors: Cheng Chen, Carlos Cordeiro, Claudio Da Silva, Bahareh Sadeghi
  • Patent number: 11124855
    Abstract: A process for pelletizing particles of a fine mineral ore, the process comprises the steps of a) mixing the particles of a fine mineral ore with a binder composition to obtain a pellet feed, b) forming the pellet feed into balls, c) drying the balls to form dried balls, d) preheating the dried balls at 60 to 105° C. until constant weight to form preheated balls, e) subsequently heating the preheated balls to a temperature of 1200° C. to 1400° C. to obtain pellets, wherein the binder composition comprises a) at least one colloid agent which exerts a cohesive force on the particles of a fine mineral ore forming the pellets, and b) at least one synthetic polymer which disperses the particles of a fine mineral ore in the pellets, wherein the synthetic polymer is a maleic acid/acrylic acid or a maleic acid/methacrylic acid copolymer.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: September 21, 2021
    Assignee: Clariant International Ltd.
    Inventors: Stefan Dilsky, Carlos Augusto Blasques Tooge, Nilson Mar Bartalini, Almir T. Santos, Wagner Claudio Da Silva, Monica Speck Cassola, Jorge Antonio Arias Medina
  • Publication number: 20210288779
    Abstract: This disclosure describes systems, methods, and devices related to WLAN sensing sounding. A device may identify a sensing null data packet (NDP) request frame received from a second device, the sensing NDP request frame associated with performing a wireless local area network channel sounding procedure; identify transmit parameters included in a transmit control field of the sensing NDP request frame; generate an NDP frame using the transmit parameters; and send, in response to the sensing NDP request frame, the NDP frame to the second device.
    Type: Application
    Filed: June 2, 2021
    Publication date: September 16, 2021
    Inventors: Claudio Da Silva, Cheng Chen, Bahareh Sadeghi, Carlos Cordeiro
  • Publication number: 20210281362
    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: Application
    Filed: May 20, 2021
    Publication date: September 9, 2021
    Applicant: INTEL IP CORPORATION
    Inventors: Artyom Lomayev, Alexander Maltsev, Michael Genossar, Claudio Da Silva, Carlos Cordeiro
  • Publication number: 20210273735
    Abstract: The application provides an apparatus for a STA, comprising a PHY circuitry and a MAC circuitry, wherein the PHY circuitry is configured to: obtain WLAN sensing measurements; provide the WLAN sensing measurements to the MAC circuitry via a RXVECTOR parameter, wherein the RXVECTOR parameter allows for the PHY layer of the STA to inform the MAC layer of the STA of the WLAN sensing measurements.
    Type: Application
    Filed: May 19, 2021
    Publication date: September 2, 2021
    Applicant: Intel Corporation
    Inventors: Claudio Da Silva, Cheng Chen, Carlos Cordeiro, Assaf Gurevitz, Ofir Klein, Uri Parker, Bahareh Sadeghi
  • Publication number: 20210252525
    Abstract: This invention relates to use of a water-miscible polyhydric alcohol having two or three hydroxyl groups for improving the collector performance of a collector composition for the reverse iron ore flotation comprising at least one alkyl ether amine of formula (I) and/or alkyl ether diamine of formula (II) R1—(O-A)-NH2??(I) R2—(O-A)-NH—R3—NH2??(II) wherein R1 is a hydrocarbyl group with 6 to 24 carbon atoms, R2 is a hydrocarbyl group with 6 to 24 carbon atoms, R3 is an aliphatic hydrocarbyl group with 2 to 4 carbon atoms A is an alkylene group with 2 to 6 carbon atoms.
    Type: Application
    Filed: June 5, 2019
    Publication date: August 19, 2021
    Applicant: Clariant International Ltd.
    Inventors: Matthias KRULL, Wagner Claudio DA SILVA, Valdilene RHODES, Leandro Seixas BICALHO
  • Patent number: 11075778
    Abstract: For example, a first wireless communication device may be configured to cluster a plurality of channel estimation measurements into a plurality of clusters based on a clustering criterion, the plurality of channel estimation measurements corresponding to a respective plurality of Physical Protocol Data Units (PPDUs) received from a second wireless communication device over a wireless communication channel; and, based on clustering of the plurality of channel estimation measurements into the plurality of clusters, selectively provide a clustered channel estimation measurement to be processed for detection of changes in an environment of the wireless communication channel, by providing the clustered channel estimation measurement together with one or more other clustered channel estimation measurements of a same cluster of the clustered channel estimation measurement to be processed for the detection of the changes in the environment.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: July 27, 2021
    Assignee: INTEL CORPORATION
    Inventors: Claudio Da Silva, Ariela Zeira, Preston Hunt, Carlos Cordeiro
  • Publication number: 20210226724
    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 encode a Physical Layer (PHY) Service Data Unit (PSDU) of at least one user in an EDMG PHY Protocol Data Unit (PPDU) according to an EDMG Low-Density Parity-Check (LDPC) encoding scheme, which is based at least on a count of one or more spatial streams for transmission to the user; and transmit the EDMG PPDU in a transmission over a channel bandwidth in a frequency band above 45 Gigahertz (GHz).
    Type: Application
    Filed: March 26, 2021
    Publication date: July 22, 2021
    Applicant: INTEL IP CORPORATION
    Inventors: Artyom Lomayev, Alexander Maltsev, Michael Genossar, Claudio Da Silva, Carlos Cordeiro
  • Publication number: 20210226723
    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 encode a Physical Layer (PHY) Service Data Unit (PSDU) of at least one user in an EDMG PHY Protocol Data Unit (PPDU) according to an EDMG Low-Density Parity-Check (LDPC) encoding scheme, which is based at least on a count of one or more spatial streams for transmission to the user; and transmit the EDMG PPDU in a transmission over a channel bandwidth in a frequency band above 45 Gigahertz (GHz).
    Type: Application
    Filed: March 26, 2021
    Publication date: July 22, 2021
    Applicant: INTEL IP CORPORATION
    Inventors: Artyom Lomayev, Alexander Maltsev, Michael Genossar, Claudio Da Silva, Carlos Cordeiro
  • Publication number: 20210211973
    Abstract: Provided herein is a method and apparatus for transmit parameter indication in support of Wireless Local Area Network (WLAN) sensing. The disclosure provides an apparatus, comprising: a Radio Frequency (RF) interface; and processor circuitry coupled with the RF interface, wherein the processor circuitry is to: decode an Information Element (IE) received from a WLAN device via the RF interface, wherein the IE is to indicate a transmit parameter for a transmission of a Physical layer Protocol Data Unit (PPDU) of the WLAN device; and perform WLAN sensing on the WLAN device based on the IE. Other embodiments may also be disclosed and claimed.
    Type: Application
    Filed: March 19, 2021
    Publication date: July 8, 2021
    Applicant: Intel Corporation
    Inventors: Cheng CHEN, Carlos CORDEIRO, Claudio DA SILVA, Bahareh SADEGHI
  • Publication number: 20210211152
    Abstract: Provided herein is radiation safety mechanism based on Wi-Fi sensing. The disclosure provides an apparatus, comprising: a memory; and processor circuitry coupled with the memory, wherein the processor circuitry is to: obtain an environment map of a Wireless Fidelity (Wi-Fi) device, based on Wi-Fi sensing of a detecting module of the Wi-Fi device; estimate a distance between the Wi-Fi device and an animate object within the environment map or a location of the animate object; and adapt, based on the distance or the location, a communication parameter of the Wi-Fi device to reduce RF energy exposure on the animate object, and wherein the memory is to store the environment map. Other embodiments may also be disclosed and claimed.
    Type: Application
    Filed: March 19, 2021
    Publication date: July 8, 2021
    Applicant: Intel Corporation
    Inventors: Thomas Kenney, Laurent Cariou, Claudio Da Silva
  • Publication number: 20210195642
    Abstract: This disclosure describes systems, methods, and devices related to multiple-input multiple-output (MIMO) channel access. A device may determine one or more time division duplex (TDD) service periods (SPs). The device may determine a directional multi-gigabit (DMG) frame to be sent to a responder device on a channel associated with a MIMO communication. The device may cause to send the DMG frame to the responder device on the channel. The device may establish a MIMO channel access based on sending the DMG frame to the responder device.
    Type: Application
    Filed: March 5, 2021
    Publication date: June 24, 2021
    Applicant: Intel Corporation
    Inventors: Cheng Chen, Carlos Cordeiro, Claudio Da Silva, Oren Kedem