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: 20250151109
    Abstract: This disclosure describes systems, methods, and devices related to enhanced channel access. A device may send a Multi-User Request to Send (MU-RTS) frame on a basic service set (BSS) primary channel to an overlapping basic service set (OBSS). The device may receive a Clear to Send (CTS) frame in response to the MU-RTS frame on the BSS primary channel. The device may initiate a switch to a non-primary channel access (NPCA) primary channel upon detection of a physical (PHY) preamble. The device may maintain NPCA operation on the NPCA primary channel until a network allocation vector (NAV) expires. The device may announce a location and bandwidth of the NPCA primary channel to associated stations (STAs).
    Type: Application
    Filed: January 7, 2025
    Publication date: May 8, 2025
    Inventors: Minyoung PARK, Laurent CARIOU, Danny ALEXANDER, Dibakar DAS, Dmitry AKHMETOV, Po-Kai HUANG, Juan FANG
  • Publication number: 20250141511
    Abstract: Methods, apparatuses, and computer readable media for signaling with unequal and finer MCSs, where an apparatus of an AP is configured to: encode a user field for a MU MIMO allocation, the user field comprising a station (STA) identification (ID) (STA-ID) subfield, a modulation and coding scheme (MCS) subfield, a spatial configuration subfield, and a Low-Density Parity Check (LDPC) subfield, the STA-ID subfield identifying a STA associated with the AP. The wireless devices are configured for signaling unequal and finer MCSs, modulation patterns, 2×LDPC, and 1×LDPC.
    Type: Application
    Filed: January 6, 2025
    Publication date: May 1, 2025
    Inventors: Juan Fang, Qinghua Li, Shlomi Vituri, Assaf Gurevitz, Hao Song, Thomas J. Kenney, Robert J. Stacey
  • Patent number: 12284551
    Abstract: A multi-link device (MLD) configured for reporting per-port frame replication and elimination for reliability (FRER) capabilities uses a per-Port FRER-capabilities object generated by upper MLD MAC layer to indicate per-Port FRER capabilities of lower layers including lower MAC and PHY layers. The per-port FRER capabilities of the lower layers may be reported using the per-Port FRER-capabilities object to an upper layer such as an FRER layer. The per-Port FRER-capabilities object may indicate at least whether or not a port between the upper MLD MAC layer and the FRER layer supports frame replication and duplication elimination capabilities in the underlying MAC and PHY layers.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: April 22, 2025
    Assignee: Intel Corporation
    Inventors: Dave A. Cavalcanti, Juan Fang
  • Publication number: 20250096927
    Abstract: An apparatus and method for wireless communication is described in which post-Forward Error Correction (FEC) padding in a Physical Layer Convergence Procedure (PLCP) Protocol Data Unit (PPDU) is replaced with non post-FEC data. The data signals include repeating codebits or quadrature amplitude modulation (QAM) symbols of the last codeword. In addition, the coding rate, modulation order, orthogonal frequency division multiplexed (OFDM) symbol duration, and/or transmission bandwidth is able to be reduced, less power is allocated to padding subcarriers, a pre-FEC padding factor is increased, and/or control information piggybacked in the padding. The replacement may be limited to short PPDUs or those exceeding a threshold length. An increase in packet extension duration allows additional processing time.
    Type: Application
    Filed: September 18, 2024
    Publication date: March 20, 2025
    Inventors: Qinghua Li, Juan Fang, Robert J. Stacey, Shlomi Vituri, Danny Alexander, Hao Song
  • Publication number: 20250070909
    Abstract: For example, a STA may determine a pre-FEC padding factor value for a PPDU, the pre-FEC padding factor value in a range between 1 and 2Na, wherein Na is an integer greater than 2; set Na bits in a Signal (SIG) field of the PPDU to indicate the pre-FEC padding factor value; and encode a data field of the PPDU according to a FEC coding based on the pre-FEC padding factor value. For example, a STA may encode a data field of a PPDU according to a FEC coding based on a pre-FEC padding factor value and based on a condition that no post-FEC padding is to be applied for the PPDU; and set an LDPC extra symbol subfield in a SIG field of the PPDU to indicate whether or not an LDPC extra symbol is present based on encoding of the data field of the PPDU.
    Type: Application
    Filed: November 8, 2024
    Publication date: February 27, 2025
    Inventors: Juan Fang, Qinghua Li, Danny Alexander, Shlomi Vituri, Robert Stacey
  • Patent number: 12236890
    Abstract: A shift register includes a first control sub-circuit, a second control sub-circuit, a pull-up control sub-circuit and an output control sub-circuit, wherein the first control sub-circuit is configured to provide a signal of a third power supply terminal or a clock signal terminal to a first node and a third node under the control of a signal input terminal, the clock signal terminal and a second node; the pull-up control sub-circuit is configured to provide a signal of a second power supply terminal to the first node under the control of the third node; the second control sub-circuit is configured to provide a signal of the signal input terminal to the second node and a fourth node under the control of the clock signal terminal and the first power supply terminal.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: February 25, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yao Huang, Juntao Chen, Juan Fang
  • Publication number: 20250015946
    Abstract: A method and device for providing payload length indication in IEEE 802.11 wireless communications are disclosed. The last OFDM symbol of a transmission is divided into multiple symbol segments and a number of medium access control layer (MAC) and physical layer (PHY) symbol segments are then allocated. The allocated number of MAC symbol segments is indicated using a field in the SIGNAL field or MAC frame body. Mapping between MAC and PHY symbol segments is provided as is additional puncturing for OFDM symbol usage.
    Type: Application
    Filed: September 19, 2024
    Publication date: January 9, 2025
    Inventors: Qinghua Li, Juan Fang, Robert J. Stacey, Shlomi Vituri, Danny Alexander, Hao Song
  • Patent number: 12184554
    Abstract: The present disclosure is related to Multi-Access Management Services (MAMS), which is a programmable framework that provides mechanisms for the flexible selection of network paths in a multi-access (MX) communication environment, based on an application's needs. Generic Multi-Access (GMA) functions are also integrated into the MAMS framework. The present disclosure discusses Per-Packet Prioritization (PPP), intra-flow classification, and Active Queue Management (AQM) techniques for MAMS/GMA systems. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: December 31, 2024
    Assignee: Intel Corporation
    Inventors: Jing Zhu, Menglei Zhang, Shu-ping Yeh, Shilpa Talwar, Juan Fang
  • Publication number: 20240427700
    Abstract: The invention relates to an optimization method for mobile edge cache based on federated learning, and belongs to the field of Internet of things and artificial intelligence. According to the method, the situation that the user mobility and the content popularity change continuously in the range of a single base station is considered, and the cache hit rate is increased by predicting the content popularity and placing the request content in an edge cache in advance. The method specifically comprises the steps of obtaining a user moment trajectory table to simulate a moving path of a user by using an RWP random path point model, selecting the user participating in FL local training in a clustering, and threshold value combination mode in consideration of local training consumption, performing global model aggregation by using an attention mechanism to control model weight, and performing global prediction according to an obtained global prediction model.
    Type: Application
    Filed: May 13, 2022
    Publication date: December 26, 2024
    Inventors: Juan Fang, Ziyi Teng, Huijing Yang, Shuaibing Lu
  • Publication number: 20240430743
    Abstract: This disclosure describes systems, methods, and devices related to block acknowledgment (ACK) overhead reduction. A device may receive a soliciting physical layer convergence protocol data unit (PPDU). The device may encode a multiple station device (Multi-STA) block acknowledgment (BA) as a response to the soliciting PPDU. The device may transmit the Multi-STA BA in response to the PPDU. The device may manage multiple Per Association Identification (AID) Traffic Identifier (TID) Information (Per AID TID Info) entries with the same AID and TID in the same Multi-STA BA. The device may set the Per AID TID Info entries with the same AID and TID to be consecutive.
    Type: Application
    Filed: September 6, 2024
    Publication date: December 26, 2024
    Applicant: Intel Corporation
    Inventors: Po-Kai HUANG, Daniel BRAVO, Danny ALEXANDER, Juan FANG, Nebo IDAN, Laurent CARIOU
  • Publication number: 20240379061
    Abstract: A shift register includes a first control sub-circuit, a second control sub-circuit, a pull-up control sub-circuit and an output control sub-circuit, wherein the first control sub-circuit is configured to provide a signal of a third power supply terminal or a clock signal terminal to a first node and a third node under the control of a signal input terminal, the clock signal terminal and a second node; the pull-up control sub-circuit is configured to provide a signal of a second power supply terminal to the first node under the control of the third node; the second control sub-circuit is configured to provide a signal of the signal input terminal to the second node and a fourth node under the control of the clock signal terminal and the first power supply terminal.
    Type: Application
    Filed: May 27, 2022
    Publication date: November 14, 2024
    Inventors: Yao HUANG, Juntao CHEN, Juan FANG
  • Publication number: 20240349319
    Abstract: Methods, apparatuses, and computer readable media for transmission opportunity (TxOP) preemption for low latency applications, where a station (STA) comprises processing circuitry configured to: decode, from an access point (AP), a frame, wait for a preemption duration, the preemption duration less than a wait duration of the AP, and in response to a determination that a medium is idle during the preemption duration and that the STA has pending low-latency (LL) data to send to the AP, encode, for transmission to the AP after the preemption duration an indication of a preemption request (PR).
    Type: Application
    Filed: June 27, 2024
    Publication date: October 17, 2024
    Inventors: Juan Fang, Laurent Cariou
  • Patent number: 12093188
    Abstract: The invention discloses a prefetch-adaptive intelligent cache replacement policy for high performance, in the presence of hardware prefetching, a prefetch request and a demand request are distinguished, a prefetch predictor based on an ISVM (Integer Support Vector Machine) is used for carrying out re-reference interval prediction on a cache line of prefetching access loading, and a demand predictor based on an ISVM is utilized to carry out re-reference interval prediction on a cache line of demand access loading. A PC of a current access load instruction and PCs of past load instructions in an access historical record are input, different ISVM predictors are designed for prefetch and demand requests, reuse prediction is performed on a loaded cache line by taking a request type as granularity, the accuracy of cache line reuse prediction in the presence of prefetching is improved, and performance benefits from hardware prefetching and cache replacement is better fused.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: September 17, 2024
    Assignee: BEIJING UNIVERSITY OF TECHNOLOGY
    Inventors: Juan Fang, Huijing Yang, Ziyi Teng, Min Cai, Xuan Wang
  • Patent number: 12015951
    Abstract: A Quality-of-Service (QoS) Management AP is configured to support QoS Management features and to perform a QoS Management Protocol. The AP decodes an Enhanced Add Traffic Stream (E-ADDTS) Request QoS Action Frame (E-ADDTS Req) received from a station (STA) to initiate QoS setup for a traffic stream. The STA may be a QoS Management STA configured to support the QoS Management features and perform the QoS Management protocol. The AP may encode, for transmission to the STA in response to the E-ADDTS Req, an E-ADDTS Response QoS Action Frame (E-ADDTS Resp) which includes a status code to indicate whether the QoS setup has been accepted. When the QoS setup is accepted, the E-ADDTS Resp includes a QoS setup ID within a QoS setup ID field in the E-ADDTS Resp that uniquely identifies the QoS setup for the traffic stream.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: June 18, 2024
    Assignee: Intel Corporation
    Inventors: Necati Canpolat, Dibakar Das, Ganesh Venkatesan, Chittabrata Ghosh, Dave A. Cavalcanti, Cheng Chen, Juan Fang, Laurent Cariou, Carlos Cordeiro
  • Publication number: 20240187191
    Abstract: This disclosure describes systems, methods, and devices related to enhanced 60 gigahertz (GHz) preamble. A device may generate a frame for 60 GHz transmission, the frame comprising one or more fields to carry information associated with one or more station devices (STAs). The device may generate a modified legacy signal (L-SIG) field comprising one or more subfields for operation in the 60 GHz transmission. The device may generate a modified legacy long training field (L-LTF) for operation in the 60 GHz transmission. The device may utilize 56 subcarriers in the modified L-LTF in the frame. The device may cause to send the frame comprising the modified L-LTF and the modified L-SIG to the one or more STAs.
    Type: Application
    Filed: December 29, 2023
    Publication date: June 6, 2024
    Applicant: Intel Corporation
    Inventors: Thomas J. KENNEY, Shahrnaz AZIZI, Laurent CARIOU, Juan FANG
  • Publication number: 20240188051
    Abstract: This disclosure describes systems, methods, and devices related to enhanced time-sensitive networking (TSN) configuration. A device may identify a frame received from a TSN domain comprising wired and wireless TSN traffic. The device may decode the frame to extract one or more fields, wherein the one or more fields comprise bridge parameters. The device may determine based on the bridge parameters whether a port associated with the device is wireless capable.
    Type: Application
    Filed: May 26, 2022
    Publication date: June 6, 2024
    Inventors: Dave CAVALCANTI, Javier PEREZ-RAMIREZ, Juan FANG, Susruth SUDHAKARAN, Mark EISEN, Mikhail GALEEV
  • Publication number: 20240129174
    Abstract: A station (STA) configured for operation in a wireless local area network (WLAN) may implement an unequal Modulation and Coding Scheme (MCS) for Probabilistic Constellation Shaping using first and second shaping encoders. The first shaping encoder may encode a first segment of input bits for a first modulation order and generate a first shaped bit stream and the second shaping encoder may encode a second segment of input bits for a second modulation order to generate a second shaped bit stream. A first QAM symbol stream may be generated at least from the first shaped bit stream and from parity bits using the first modulation order and a second QAM symbol stream may be generated at least from the second shaped bit stream and from parity bits using the second modulation order. The STA may generate the parity bits from the first and second shaped bit streams with one or more LDPC encoders and may transmit the first and second QAM symbol streams within a PPDU.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 18, 2024
    Inventors: Qinghua Li, Hao Song, Juan Fang, Shlomi Vituri, Assaf Gurevitz, Danny Alexander, Robert J. Stacey
  • Publication number: 20240113806
    Abstract: This disclosure describes systems, methods, and devices related to enhanced low-density parity-check (LDPC) coding. A device may generate a frame comprising a data field, wherein the data field comprises a number of information bits. The device may calculate a required initial number of orthogonal frequency-division multiplexing (OFDM) symbols based on the number of information bits. The device may calculate an initial number of segments in a last OFDM symbol of the number of OFDM symbols. The device may calculate a number of data bits that can be filled within an initial number of OFDM symbols. The device may determine an LDPC codeword length based on the calculated number of data bits that can be filled. The device may cause to send the frame to one or more devices based on the LDPC codeword length.
    Type: Application
    Filed: November 28, 2023
    Publication date: April 4, 2024
    Applicant: Intel Corporation
    Inventors: Juan FANG, Po-Kai HUANG, Qinghua LI, Robert STACEY, Shlomi VITURI
  • Publication number: 20240097955
    Abstract: This disclosure describes systems, methods, and devices related to enhanced L-SIG. A device may generate a frame for 60 gigahertz (GHz) transmission, the frame comprising one or more fields to carry information associated with one or more station devices (STAs). The device may generate a special legacy signal (L-SIG) field comprising one or more subfields for operation in the 60 gigahertz (GHz) transmission. The device may include the L-SIG field in the frame. The device may cause to send the frame to the one or more STAs.
    Type: Application
    Filed: November 28, 2023
    Publication date: March 21, 2024
    Applicant: Intel Corporation
    Inventors: Thomas J. KENNEY, Laurent CARIOU, Juan FANG
  • Publication number: 20240089030
    Abstract: An apparatus and method of signaling coding type is disclosed. The coding types include binary convolutional coding (BCC), legacy lifted Low-Density Parity Check (LDPC) code, and lifted LDPC code having a length that is a multiple of the maximum legacy LDPC code. The number of bits used to indicate the coding type in a User Info field depends on whether multiple lifted LDPC codes are available for encoding, whether the lifted LDPC code is an optional coding type, or a payload size. The frame containing the User Info field is transmitted to another STA and the response contains a payload encoded using the indicated coding type.
    Type: Application
    Filed: October 20, 2023
    Publication date: March 14, 2024
    Inventors: Qinghua Li, Juan Fang, Hao Song, Thomas J. Kenney, Robert J. Stacey