Patents by Inventor Juan Fang

Juan Fang 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: 20240064805
    Abstract: This disclosure describes systems, methods, and devices related to enhanced low latency (LL). A device may establish time gaps between consecutive physical layer (PHY) convergence protocol data units (PPDUs) to optimize preemption opportunities for low latency (LL) transmission by one or more station devices (STAs). The device may identify a preemption request (PR) frame received from at least one of the one or more STAs including unregistered STAs only or including both unregistered and registered STAs during a time gap, indicating an intent to transmit LL packets when preemption is permitted. The device may determine a preemptability of a current transmit opportunity (TXOP). The device may cause to send a preemption indication in a PPDU preceding the time gap.
    Type: Application
    Filed: October 31, 2023
    Publication date: February 22, 2024
    Applicant: Intel Corporation
    Inventor: Juan FANG
  • Publication number: 20240057048
    Abstract: This disclosure describes systems, methods, and devices related to wireless time sensitive networking. A device may identify, using an 802.3 protocol stack, an 802.3 frame received from a second device using a wired Ethernet connection, and extract, using the 802.3 protocol stack, a redundancy tag from the 802.3 frame, the redundancy tag including a sequence number. The device may generate, using an 802.11 protocol stack, an 802.11 frame with a subnetwork access protocol (SNAP) field, the SNAP field including an organizationally unique identifier (OUI) and the sequence number, the OUI including an indication of an Ethertype protocol. The device may send the 802.11 frame using a wireless connection.
    Type: Application
    Filed: October 24, 2023
    Publication date: February 15, 2024
    Inventors: Juan FANG, Dave CAVALCANTI, Laurent CARIOU, Dibakar DAS, Mikhail GALEEV, Wey-Yi GUY, Javier PEREZ-RAMIREZ, Susruth SUDHAKARAN, Jing ZHU
  • Publication number: 20240048269
    Abstract: For example, a wireless communication Station (STA) may be configured to determine a data field processing setting for a data field of a Physical Layer (PHY) Protocol Data Unit (PPDU) such that a padding parameter value corresponding to the data field processing setting does not exceed a padding parameter threshold, wherein the data field processing setting includes at least one of a Modulation and Coding Scheme (MCS) index or a channel Bandwidth (BW) setting, wherein the padding parameter value corresponding to the data field processing setting is based on a number of pre Forward Error Correction (FEC) (pre-FEC) pad bits according to the data field processing setting; and to encode the data field according to a FEC coding using the number of pre-FEC pad bits according to the data field processing setting.
    Type: Application
    Filed: August 31, 2023
    Publication date: February 8, 2024
    Inventors: Juan Fang, Robert Stacey, Qinghua Li, Danny Alexander, Shlomi Vituri, Thomas J. Kenney, Shahrnaz Azizi
  • Publication number: 20240048265
    Abstract: For example, a transmitter may be configured to assign a stream of encoded data bits of a Physical layer (PHY) Protocol Data Unit (PPDU) to one or more sequences of encoded bit blocks for one or more spatial streams based on an Unequal Modulation and Coding Scheme (MCS) (UEM) assignment including an assignment of a plurality of MCSs to a plurality of frequency sub-blocks for the one or more spatial streams. For example, the transmitter may be configured to assign the one or more sequences of encoded bit blocks to the plurality of frequency sub-blocks for the one or more spatial streams.
    Type: Application
    Filed: August 30, 2023
    Publication date: February 8, 2024
    Inventors: Hao Song, Qinghua Li, Juan Fang, Shlomi Vituri, Robert Stacey
  • Publication number: 20240048271
    Abstract: An apparatus and method of encoding Low-Density Parity Check (LDPC) Physical Layer Convergence Protocol (PLCP) packet protocol data units (PPDU) is disclosed. For LDPC codeword of lengths 3888 and/or 7776, the number and length of codewords to use may depend on the number of available bits. In this case, if the number of available bits is larger than 1944 and less than 2596, two codewords of length 1944 or a single codeword of length 3888 to encode the PPDU is used to encode the PPDU. For larger numbers of available bits, one or more codewords of length 3888 or 7776 is used to encode the PPDU. Shortening and/or puncturing, when used, is also based on the number of available bits.
    Type: Application
    Filed: October 20, 2023
    Publication date: February 8, 2024
    Inventors: Juan Fang, Qinghua Li, Robert J. Stacey
  • Publication number: 20240049107
    Abstract: Provided herein are apparatuses and methods for multiplexed transmission and reception of Relay node. An apparatus includes interface circuitry; and processor circuitry coupled with the interface circuitry, wherein the processor circuitry is to: decode a first-hop message received from a first node via the interface circuitry to obtain a message body; generate, in response to the first-hop message, a first-hop response message for transmission to the first node; generate a second-hop message including the message body for transmission to a second node; and multiplex the first-hop response message with the second-hop message in a same frame for transmission of the first-hop response message and the second-hop message simultaneously. Other embodiments are described and claimed.
    Type: Application
    Filed: October 19, 2023
    Publication date: February 8, 2024
    Applicant: Intel Corporation
    Inventors: Qinghua LI, Juan Fang, Po-Kai Huang, Robert Stacey, Laurent Cariou
  • Publication number: 20240031087
    Abstract: For example, a non Access Point (AP) (non-AP) station (STA) may be configured to operate in a 40 Megahertz (MHz) operating mode, as a 40 MHz operating non-AP STA, which supports a 40 MHz operating channel width. For example, the 40 MHz operating non-AP STA may be capable to process allocation information from an AP to identify a Resource Unit (RU) or Multiple RU (MRU) (RU/MRU) allocated to the 40 MHz operating non-AP STA within the 40 MHz operating channel width; and to communicate data over the RU/MRU allocated to the 40 MHz operating non-AP STA as part of a wider bandwidth Orthogonal Frequency Division Multiple Access (OFDMA) transmission over a channel bandwidth of at least 80 MHz.
    Type: Application
    Filed: September 30, 2023
    Publication date: January 25, 2024
    Inventors: Juan Fang, Po-Kai Huang, Danny Alexander, Shlomi Vituri, Qinghua Li
  • Publication number: 20240022383
    Abstract: This disclosure describes systems, methods, and devices related to low latency preemption. A device may establish time gaps between consecutive physical layer (PHY) convergence protocol data units (PPDUs) to facilitate preemption opportunity for low latency (LL) transmission. The device may detect a suspend/resource request (SR) transmitted over predefined null tones, wherein the SR is received from a station device (STA). The device may determine if a current transmit opportunity (TXOP) is preemptable and communicate this status through a control frame. The device may set a suspend request (SR) feedback report support subfield within an ultra high reliability (UHR) capabilities element based on a capability to support the SR feedback report.
    Type: Application
    Filed: September 27, 2023
    Publication date: January 18, 2024
    Inventors: Juan FANG, Danny ALEXANDER, Laurent CARIOU, Qinghua LI, Robert STACEY
  • Publication number: 20230422303
    Abstract: A station may receive a frame transmitted to a plurality of STAs. The frame may indicate a first frequency resource allocated for the STA and a second frequency resource allocated for another STA of the plurality of STAs. The STA may transmit a data frame using the first frequency resource and receive an acknowledgement frame that acknowledges receipt of the data frame. The STA may receive a MU RTS frame transmitted to the plurality of STAs and may subsequently transmit a CTS frame in response to receipt of the MU RTS frame. The RTS/CTS transmissions may occur prior to transmission of the data frame.
    Type: Application
    Filed: September 7, 2023
    Publication date: December 28, 2023
    Applicant: InterDigital Patent Holdings, Inc.
    Inventors: Hanqing Lou, Guodong Zhang, Xiaofei Wang, Juan Fang, Oghenekome Oteri, Pengfei Xia, Monisha Ghosh, Robert L. Olesen
  • Publication number: 20230412711
    Abstract: For example, a wireless communication Station (STA) may be configured to generate a preamble of a Physical Layer (PHY) Protocol Data Unit (PPDU) according to a PPDU frame format. For example the STA may be configured to generate a data payload of the PPDU according to the PPDU frame format. For example, the data payload may include a plurality of data payload portions. For example, the PPDU may include a predefined Training Field (TF) between a first data payload portion and a second data payload portion of the plurality of data payload portions. For example, the STA may be configured to transmit the PPDU.
    Type: Application
    Filed: June 29, 2023
    Publication date: December 21, 2023
    Applicant: INTEL CORPORATION
    Inventors: Juan Fang, Qinghua Li, Po-Kai Huang, Robert Stacey, Laurent Cariou, Minyoung Park, Dmitry Akhmetov, Hao Song
  • Publication number: 20230397249
    Abstract: An access point station (AP) configured for ultra-high reliability (UHR) communication in a wireless local area network (WLAN) may receive low-latency (i.e., time-sensitive) traffic during a transmission opportunity (TXOP) by transmission of an initial frame encoded to indicate whether or not preemption for low-latency (LL) traffic is enabled during the TXOP. When preemption for LL traffic is enabled during the TXOP, the AP may encode downlink (DL) physical-layer protocol data units (PPDUs) for transmission within the TXOP. The DL PPDUs may be transmitted with an extended short interframe spacing (xIFS) therebetween. Each of the DL PPDUs may indicate whether the xIFS that follows a DL PPDU is enabled for preemption.
    Type: Application
    Filed: August 18, 2023
    Publication date: December 7, 2023
    Inventors: Juan Fang, Qinghua Li, Robert J. Stacey, Laurent Cariou, Hao Song
  • Publication number: 20230379749
    Abstract: A non-Access Point Extremely High Throughput Station (non-AP EHT STA) initiates a Quality-of-Service (QoS) setup by sending a Stream Classification Service (SCS) Request frame to an associated access point (AP). The SCS request frame may be encoded to have a request type field set to “Add” and may contain an SCS Descriptor element having a traffic description field, a traffic classification field, and a Multi-Link Operation (MLO) field. The non-AP EHT STA may decode an SCS Response frame from the AP that indicate whether the QoS setup has been added. The non-AP EHT STA may then exchange a QoS traffic flow with the associated AP in accordance with the QoS setup when the QoS setup has been added. When the QoS traffic flow ends, the non-AP EHT STA may encode a second SCS Request frame for transmission to the AP with the request type field set to “Remove” to delete the QoS setup.
    Type: Application
    Filed: December 8, 2021
    Publication date: November 23, 2023
    Inventors: Necati Canpolat, Dibakar Das, Ganesh Venkatesan, Dave A. Cavalcanti, Laurent Cariou, Chen Chen, Carlos Cordeiro, Juan Fang, Chittabrata Ghosh
  • Patent number: 11800497
    Abstract: This disclosure describes systems, methods, and devices related to wireless time sensitive networking. A device may identify, using an 802.3 protocol stack, an 802.3 frame received from a second device using a wired Ethernet connection, and extract, using the 802.3 protocol stack, a redundancy tag from the 802.3 frame, the redundancy tag including a sequence number. The device may generate, using an 802.11 protocol stack, an 802.11 frame with a subnetwork access protocol (SNAP) field, the SNAP field including an organizationally unique identifier (OUI) and the sequence number, the OUI including an indication of an Ethertype protocol. The device may send the 802.11 frame using a wireless connection.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: October 24, 2023
    Assignee: Intel Corporation
    Inventors: Juan Fang, Dave Cavalcanti, Laurent Cariou, Dibakar Das, Mikhail Galeev, Wey-Yi Guy, Javier Perez-Ramirez, Susruth Sudhakaran, Jing Zhu
  • Patent number: 11792854
    Abstract: A station may receive a frame transmitted to a plurality of stations (STAs). The frame may indicate a first frequency resource allocated for the STA and a second frequency resource allocated for another STA of the plurality of STAs. The STA may transmit a data frame using the first frequency resource and receive an acknowledgement frame that acknowledges receipt of the data frame. The STA may receive a multiple user request to send (MU RTS) frame transmitted to the plurality of STAs and may subsequently transmit a clear to send (CTS) frame in response to receipt of the MU RTS frame. The RTS/CTS transmissions may occur prior to transmission of the data frame.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: October 17, 2023
    Assignee: InterDigital Patent Holdings, Inc.
    Inventors: Hanqing Lou, Guodong Zhang, Xiaofei Wang, Juan Fang, Oghenekome Oteri, Pengfei Xia, Monisha Ghosh, Robert L. Olesen
  • Publication number: 20230319871
    Abstract: This disclosure describes systems, methods, and devices related to dynamic preemption communication. A device may divide a physical layer (PHY) convergence protocol data unit (PPDU) into a number of PPDUs with time gaps for enabling preemption opportunity for low latency (LL) transmitters. The device may receive preemption requests (PR) from one or more LL transmitters during the time gaps. The device may manage preemption opportunities based on the received PRs and provide access to a communication medium for LL transmitters. The device may process preemption requests in intra-basic service set (BSS) or inter-BSS.
    Type: Application
    Filed: June 2, 2023
    Publication date: October 5, 2023
    Inventors: Laurent CARIOU, Thomas J. KENNEY, Juan FANG
  • Publication number: 20230300818
    Abstract: An access point station (AP) generates a trigger frame (TF) for transmission to two or more non-AP stations (STAs) or groups of STAs. The trigger frame may allocate resource units (RUs) for a trigger-based (TB) transmission to the two or more STAs. The AP may encode the trigger frame to include a Common Info field followed by one or more Special User Info fields. The Common Info field and the one or more Special User Info fields and may be encoded to solicit (i.e., trigger) a trigger-based (TB) Frequency Aggregated Physical layer Protocol Data Unit (PPDU) (FA-PPDU) that includes more than one PPDU of at least two different physical layer (PHY) types from the two or more STAs or groups of STAs. The different PHY types may include high-efficiency (HE), Extremely High Throughput (EHT), Ultra-High Rate (UHR), and UHR+. Accordingly, an AP can trigger a FA-PPDU that includes TB PPDUs of different PHY types.
    Type: Application
    Filed: May 24, 2023
    Publication date: September 21, 2023
    Inventors: Juan Fang, Po-Kai Huang, Qinghua Li, Robert J. Stacey, Thomas J. Kenney, Minyoung Park, Shlomi Vituri
  • Publication number: 20230300696
    Abstract: An access-point station (AP) configured for communicating multi-user (MU) physical layer protocol data units (PPDUs) (MU-PPDUs) with plurality of non-AP stations (STAs) using dynamic channel switching may acquire a transmission opportunity (TXOP) on a channel comprising a primary channel and one or more non-primary channels. The AP may encode a channel switching indication frame that may request that at least some of the STAs temporarily switch from operating on the primary channel to operating on one of the non-primary channels. The AP may decode a response frame from each of the STAs that are indicated to switch. Each response frame may be received on the non-primary channel that an indicated STA is requested to switch to.
    Type: Application
    Filed: May 30, 2023
    Publication date: September 21, 2023
    Inventors: Juan Fang, Po-Kai Huang, Qinghua Li, Robert J. Stacey
  • Publication number: 20230300883
    Abstract: This disclosure describes systems, methods, and devices related to enhanced aggregate preemption. A device may divide a transmit opportunity (TXOP) transmission into physical layer convergence procedure service data unit (PSDU) or physical layer (PHY) convergence protocol data unit (PPDU) transmissions. The device may establish fixed time intervals between two continuous PSDU or PPDU transmissions. The device may sense an idle status of a channel after an end of each PSDU or PPDU transmission. The device may send a first suspend request (SR) control frame after an end of receiving a current PSDU or PPDU transmission.
    Type: Application
    Filed: May 25, 2023
    Publication date: September 21, 2023
    Inventors: Juan FANG, Dmitry AKHMETOV, Daniel BRAVO, Laurent CARIOU, Dibakar DAS, Thomas J. KENNEY, Qinghua LI, Minyoung PARK, Robert STACEY
  • Publication number: 20230291501
    Abstract: This disclosure describes systems, methods, and devices related to unequal modulation and coding scheme (unequal MCS). A device may decode user fields or first portions of unequal modulation and coding scheme (UEM) user fields from a first user specific field. The device may determine resource allocations, resource unit (RU) and multiple resource unit (MRU) allocations, based on the order of decoded user fields or the first portions of UEM user fields. The device may identify whether a user is a UEM user based on an indication in a first portion of a UEM user field or a new designed subfield, MCS type subfield, in a first user specific field. The device may decode a second user specific field to retrieve remaining portions of UEM user fields for UEM users to obtain the full set of MCSs.
    Type: Application
    Filed: May 15, 2023
    Publication date: September 14, 2023
    Applicant: Intel Corporation
    Inventors: Hao SONG, Qinghua LI, Po-Kai HUANG, Juan FANG, Shlomi VITURI, Robert STACEY
  • Publication number: 20230283423
    Abstract: For example, a wireless communication station (STA) may be configured to generate a plurality of encoded-modulated data streams based on a data field of a PPDU to be transmitted over a channel BW. For example, the plurality of encoded-modulated data streams may be configured based on a plurality of channel BW segments in the channel BW. For example, the plurality of encoded-modulated data streams may include a first encoded-modulated data stream according to a first Modulation and Coding Scheme (MCS) corresponding to a first channel BW segment, and a second encoded-modulated data stream according to a second MCS, e.g., different from the first MCS, corresponding to a second channel BW segment. For example the STA may be configured to transmit a plurality of transmissions based on the plurality of encoded-modulated data streams over the plurality of channel BW segments.
    Type: Application
    Filed: March 30, 2023
    Publication date: September 7, 2023
    Applicant: Intel Corporation
    Inventors: Thomas J. Kenney, Laurent Cariou, Juan Fang