Patents by Inventor Xiaofei Wang
Xiaofei Wang 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: 12634755Abstract: Procedures, methods, architectures, apparatuses, systems, devices, and computer program products directed physical layer signaling in a wireless local area network system are provided. Among the methods is a method that may include any of generating an extremely high throughput (EHT) physical (PHY) layer protocol data unit (PDU) (PPDU) based on a PPDU format defining a preamble comprising (i) a fixed duration universal signaling (U-SIG) field, (ii) an EHT signaling (EHT-SIG) field, and (iii) an EHT short training field (EHT-STF), wherein the U-SIG and EHT-SIG fields respectively comprise an extra signaling indicator and extra signaling to support a third feature; and transmitting the U-SIG and EHT-SIG fields on a first bandwidth segment, followed by the EHT-STF on any of the first bandwidth segment and a second bandwidth segment, followed by (iii) an EHT data field on any of the first and second bandwidth segments.Type: GrantFiled: March 15, 2021Date of Patent: May 19, 2026Assignee: InterDigital Patent Holdings, Inc.Inventors: Hanqing Lou, Li Hsiang Sun, Rui Yang, Xiaofei Wang
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Patent number: 12634058Abstract: A method performed by a station (STA) associated with a first access point (AP), wherein the first AP is part of a multi-AP (MAP) set comprising the first AP and at least a second AP, may compromise: receiving, from the second AP that the STA is not associated with, a null data packet announcement (NDPA) frame, the NDPA frame including a Special STA Info field including an association identifier (AID) relating to the association between the STA and the first AP; receiving a null data packet (NDP) frame from the second AP that the STA is not associated with; and transmitting, to the first AP, feedback based on the NDP frame.Type: GrantFiled: April 29, 2022Date of Patent: May 19, 2026Assignee: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Mahmoud Saad, Zinan Lin, Hanqing Lou, Xiaofei Wang, Rui Yang
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Publication number: 20260122597Abstract: Methods and apparatuses are described herein for multiple AP coordination in wireless local area networks (WLANs). For example, a station (STA) may receive, from a first access points (APs), a probe response frame that includes one or more indicators indicating multiple AP operation capabilities of the first AP and a second AP. The STA may transmit, to at least one of the first AP or the second AP, a multiple AP association request frame that enables the first AP to be associated with the second AP for a multiple AP operation. The STA may receive, from the first AP, a first multiple AP association response frame indicating acceptance or rejection of the multiple AP operation with the first AP. The STA may receive, from the second AP, a second multiple AP association response frame indicating acceptance or rejection of the multiple AP operation with the second AP.Type: ApplicationFiled: December 27, 2024Publication date: April 30, 2026Applicant: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Oghenekome Oteri, Alphan Sahin, Xiaofei Wang, Hanqing Lou, Li-Hsiang Sun, Rui Yang, Frank La Sita
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Publication number: 20260123060Abstract: The present application discloses a photovoltaic module, manufacturing methods thereof, and screen printing stencils. In one example, an photovoltaic module includes a solar cell body, a connection portion, a first bonding layer, and an electrical connector. The connection portion is arranged on a first surface of the solar cell body and includes a first connection portion and a second connection portion arranged at intervals along a first direction. The first bonding layer is arranged on a surface of the first connection portion away from the solar cell body. The first bonding layer includes at least two first bonding strips having a strip-shaped structure. The at least two first bonding strips extend along a second direction and are arranged at an interval along the first direction. The electrical connector is arranged on the first bonding layer and is electrically connected to the first connection portion through the first bonding layer.Type: ApplicationFiled: July 3, 2025Publication date: April 30, 2026Inventors: Zhenguo LI, Dongsheng YANG, Xiaofei WANG, Weiqiang CHEN, Huang ZHANG, Jun CHEN
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Publication number: 20260111164Abstract: Embodiments of this disclosure provide a two-dimensional code display method, an electronic device, a chip, and a storage medium, and relate to the field of terminal technologies. When the electronic device is in a folded state, if an operation of triggering display of a two-dimensional code on a back screen is received, a screenshot of a payment application is obtained, and whether the screenshot of the payment application includes a two-dimensional code is monitored. If the two-dimensional code is not displayed, a two-dimensional code display task on the back screen is moved to the main screen, and an interface of the payment application is displayed on the main screen. In this way, a user can find that the back screen fails to display the two-dimensional code without a need to flip the screen.Type: ApplicationFiled: October 13, 2025Publication date: April 23, 2026Inventors: Xiaofei Wang, Huan Wang
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Publication number: 20260113771Abstract: An access point (AP) is configured to: transmit a first simultaneous transmission and reception (STR) request message to a first station (STA), transmit a second STR request message to a second STA, receive a first STR response message from the first STA based on the transmitted first STR request message, and to receive a second STR response message from the second STA based on the transmitted second STR request message. The second STR response message from the second STA is received after the first STR response message is received from the first STA. The second STR response message comprises an indication that STR transmission is allowed. The AP is configured to transmit a first trigger message, based on the indication that the STR transmission is allowed. The first trigger message indicates a STA role field. The AP is configured to receive interference information from the first STA.Type: ApplicationFiled: October 27, 2025Publication date: April 23, 2026Applicant: InterDigital Patent Holdings, Inc.Inventors: Hanqing Lou, Alphan Sahin, Oghenekome Oteri, Li - Hsiang Sun, Xiaofei Wang, Rui Yang
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Patent number: 12605881Abstract: A 3D printing device (100), comprising a melt extrusion module (102), a printing module (103), and a platform module (104). The melt extrusion module (102) comprises a processing chamber (121) consisting of a feed inlet (124) and a discharge outlet (125), as well as an extrusion means (122) and a heating means (123) disposed at the processing chamber; the melt extrusion module (102) is configured to receive an initial material from the feed inlet (124) of the processing chamber (121), and heat and extrude the initial material to convert the initial material into a molten body, which is extruded out of the discharge outlet (125) of the processing chamber (121). The printing module (103) is communicated with the discharge outlet (125) of the processing chamber (121) and is provided with a nozzle (131); the printing module (103) is configured to receive the molten body extruded from the discharge outlet (125) of the processing chamber (121) and guide the molten body to be extruded out of the nozzle (131).Type: GrantFiled: May 24, 2022Date of Patent: April 21, 2026Assignee: Triastek, Inc.Inventors: Senping Cheng, Xiaoling Li, Feihuang Deng, Haohui Lu, Haili Liu, Juan Yao, Xiaofei Wang, Wei Wu
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Publication number: 20260105920Abstract: The disclosure herein describes using a transcript generation model for generating a transcript from a multi-speaker audio stream. Audio data including overlapping speech of a plurality of speakers is obtained and a set of frame embeddings are generated from audio data frames of obtained audio data using an audio data encoder. A set of words and channel change (CC) symbols are generated from the set of frame embeddings using a transcript generation model. The CC symbols are included between pairs of adjacent words that are spoken by different people at the same time. The set of words and CC symbols are transformed into a plurality of transcript lines, wherein words of the set of words are sorted into transcript lines based on CC symbols, and a multi-speaker transcript is generated based on the plurality of transcript lines. The inclusion of CC symbols by the model enables efficient, accurate multi-speaker transcription.Type: ApplicationFiled: December 15, 2025Publication date: April 16, 2026Inventors: Naoyuki KANDA, Takuya YOSHIOKA, Zhuo CHEN, Jinyu LI, Yashesh GAUR, Zhong MENG, Xiaofei WANG, Xiong XIAO
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Publication number: 20260106700Abstract: Methods and system may be used for collision detection for orthogonal frequency division multiple access (OFDMA)-based random access. A wireless transmit/receive unit (WTRU) may receive, from an access point (AP), a first trigger frame triggering random access using OFDMA. The WTRU may transmit, to the AP, in response to the first trigger frame a trigger-based frame including user specific control information in a signal (SIG) field. The WTRU may receive an acknowledgment/negative acknowledgment (ACK/NAK) message indicating that the trigger-based frame was successfully detected at the AP or that the trigger-based frame was not successfully detected at the AP. The WTRU receive, from the AP, a scheduling retransmission frame including rescheduling information for STAs with corrupted UL transmissions. On a condition that the scheduling retransmission frame indicates that a collision of the trigger-based frame was detected, the WTRU may retransmit the trigger-based frame.Type: ApplicationFiled: December 16, 2025Publication date: April 16, 2026Applicant: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Hanqing Lou, Alphan Sahin, Li-Hsiang Sun, Xiaofei Wang, Rui Yang, Frank La Sita
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Publication number: 20260101376Abstract: Methods and apparatuses for operating in multi-access point (AP) wireless networks are described herein. A method performed by an AP may include transmitting, using a set of resources, a multi-AP ready-to-send (RTS) frame to at least one other AP and a plurality of stations (STAs). The method may include transmitting another frame using a portion of the set of resources. The method may include receiving, using the portion of the set of resources, a clear-to-send (CTS) frame from at least one STA of the plurality of STAs in response to the another frame. The method may include transmitting, using the portion of the set of resources, a data frame to the at least one STA. The multi-AP RTS frame may include resource allocation information for the at least one other AP and the plurality of STAs.Type: ApplicationFiled: October 14, 2025Publication date: April 9, 2026Applicant: InterDigital Patent Holdings, Inc.Inventors: Xiaofei Wang, Hanqing Lou, Li Hsiang Sun, Rui Yang
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Publication number: 20260100152Abstract: An always on display (AOD) method and an electronic device. The electronic device includes a display. The display includes a main screen and a back screen, and the main screen and the back screen are two display areas of the same display. When the electronic device is folded, the main screen and the back screen are oriented in opposite directions. When the electronic device is unfolded, the main screen and the back screen are oriented in a same direction, and the display area is an entire display screen. The method includes: displaying an AOD interface on the main screen in response to a screen-off operation at a first time point; where before the first time point, the electronic device is in a folded state, the main screen faces upward, and the main screen is on and displays a first interface.Type: ApplicationFiled: December 12, 2025Publication date: April 9, 2026Applicant: HONOR DEVICE CO., LTD.Inventors: Xiaofei Wang, Yinpeng Feng, Yao Xiao
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Patent number: 12598339Abstract: Methods and systems are configured to deploy additional network computer resources in response to a predicted increase in streaming of one or more items of content. Searches related to an entity are monitored. A first baseline with a quantity of searches for the entity over given time periods is determined. A search peak is detected. A second baseline with respect to a quantity of searches for the entity after the detected spike. A determination is made as to whether the second baseline is greater than a threshold difference from the first baseline, and if so a change in interest that has occurred with respect to the entity is determined. In response to determining that the change in interest has occurred, a deployment of computer resources is performed, comprising a change in a number of streaming servers used to stream content related to the entity.Type: GrantFiled: December 20, 2024Date of Patent: April 7, 2026Assignee: Paramount GlobalInventors: Guanxi Shen, Xiaofei Wang, Jamal Salmon, Reeyaz Hamirani, Natalie LaBelle, Robert William Puttkammer
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Publication number: 20260095961Abstract: A STA receives a trigger frame comprising a common information field, user information fields, and a special user information field. The STA determines one of a first, second or third variant according to: a first bit pattern of common information field selection bits indicates a first variant, a second bit pattern of the common information field selection bits and a value of an identifier field of the special user information field indicates one of a second or third variant, and a third bit pattern of the common information field selection bits and a value of the identifier field of the special user information field and a value of an identifier field of the user information field associated with the STA indicates one of the first, second or third variant. The STA transmits a trigger based (TB) physical protocol data unit (PPDU) of type the determined first, second, or third variant.Type: ApplicationFiled: October 2, 2024Publication date: April 2, 2026Applicant: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Hanqing Lou, Ying Wang, Xiaofei Wang, Mahmoud Saad, Rui Yang
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Publication number: 20260095943Abstract: Methods and apparatuses are described herein for multiple-access point (multi-AP) sounding procedures in a wireless local area network (WLAN). A coordinating AP (CAP) may receive, from one or more member APs in a multi-AP set (MAPS), one or more indications indicating that the one or more member APs are capable of multi-AP sounding during a transmission opportunity (TXOP). The CAP may transmit a CAP TXOP indication (CTI) frame indicating that the multi-AP sounding is to be performed during a TXOP acquired by the CAP. The CAP may receive a CAP TXOP request (CTR) frame indicating that the one or more member APs of the MAP are willing to perform multi-AP sounding during the TXOP. The CAP may transmit a CAP TXOP AP schedule (CTAS) frame indicating a transmission schedule for one or more sounding frames to be transmitted by the one or more member APs during the TXOP.Type: ApplicationFiled: October 1, 2025Publication date: April 2, 2026Applicant: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Xiaofei Wang, Hanqing Lou, Li Hsiang Sun, Mahmoud Saad, Rui Yang, Ushasi Ghosh
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Publication number: 20260089570Abstract: Devices, methods, and/or systems for broadcasting in a wireless local area network (WLAN). A STA receives a frame from a wireless access point (AP) which includes an indication that an enhanced broadcast service (eBCS) service is ending. The frame may include an end-of-broadcast-service announcement information element, and/or an indication of a time at which the eBCS service is ending. The STA may negotiate with the AP for continuation of the broadcast service if the STA desires to continue receiving the eBCS service beyond the time at which the eBCS service ends. The STA may receive a trigger frame from the AP which triggers a response from the STA indicating that it desires to continue receiving the eBCS service beyond the time at which the eBCS service ends.Type: ApplicationFiled: December 3, 2025Publication date: March 26, 2026Applicant: INTERDIGITALPATENT HOLDINGS, INC.Inventors: Xiaofei Wang, Hanqing Lou, Frank LaSita
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Patent number: 12588089Abstract: As disclosed herein, there may be systems, methods, and devices for enabling multi-link wireless local area networks (WLAN). One or more non-AP station (STA) multi-link devices (MLDs) and one or more Access Point (AP) MLD may establish a multi-link association between each other, thereby establishing a multi-link connection that enables improved and more efficient wireless communication.Type: GrantFiled: July 13, 2020Date of Patent: March 24, 2026Assignee: InterDigital Patent Holdings, Inc.Inventors: Xiaofei Wang, Hanqing Lou, Li-Hsiang Sun, Joseph S. Levy
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Publication number: 20260075604Abstract: Methods and apparatuses are related to multi-user parallel channel access (MU-PCA). For example, a wireless transmit/receive unit (WTRU) is provided that is one of the plurality of WTRUs operable to simultaneously communicate via a plurality of channels managed by an access point (AP). The WTRU includes a receiver configured to receive, from the AP, over at least one channel of the plurality of channels, a group poll (G-Poll) message that includes a resource allocation that indicates at least one allocated channel of the plurality of channels for the WTRU; and a transmitter configured to transmit an uplink request message, to the AP in response to the G-Poll message, over the at least one allocated channel of the plurality of channels, the uplink request message corresponding to uplink data the WTRU has for transmission to the AP.Type: ApplicationFiled: July 31, 2025Publication date: March 12, 2026Applicant: InterDigital Patent Holdings, Inc.Inventors: Xiaofei Wang, Hanqing Lou, Monisha Ghosh, Nirav B. Shah, Guodong Zhang, Ronald G. Murias
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Publication number: 20260075464Abstract: Procedures, methods, architectures, apparatuses, systems, devices, and computer program products directed physical layer signaling in a wireless local area network system are provided. Among the methods is a method that may include any of generating an extremely high throughput (EHT) physical (PHY) layer protocol data unit (PDU) (PPDU) based on a PPDU format defining a preamble comprising (i) a fixed duration universal signaling (U-SIG) field, (ii) an EHT signaling (EHT-SIG) field, and (iii) an EHT short training field (EHT-STF), wherein the U-SIG and EHT-SIG fields respectively comprise an extra signaling indicator and extra signaling to support a third feature; and transmitting the U-SIG and EHT-SIG fields on a first bandwidth segment, followed by the EHT-STF on any of the first bandwidth segment and a second bandwidth segment, followed by (iii) an EHT data field on any of the first and second bandwidth segments.Type: ApplicationFiled: November 12, 2025Publication date: March 12, 2026Inventors: Hanqing LOU, Li Hsiang SUN, Rui YANG, Xiaofei WANG
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Publication number: 20260075603Abstract: Methods and apparatuses are related to multi-user parallel channel access (MU-PCA). For example, a wireless transmit/receive unit (WTRU) is provided that is one of the plurality of WTRUs operable to simultaneously communicate via a plurality of channels managed by an access point (AP). The WTRU includes a receiver configured to receive, from the AP, over at least one channel of the plurality of channels, a group poll (G-Poll) message that includes a resource allocation that indicates at least one allocated channel of the plurality of channels for the WTRU; and a transmitter configured to transmit an uplink request message, to the AP in response to the G-Poll message, over the at least one allocated channel of the plurality of channels, the uplink request message corresponding to uplink data the WTRU has for transmission to the AP.Type: ApplicationFiled: July 31, 2025Publication date: March 12, 2026Applicant: InterDigital Patent Holdings, Inc.Inventors: Xiaofei Wang, Hanqing Lou, Monisha Ghosh, Nirav B. Shah, Guodong Zhang, Ronald G. Murias
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Patent number: 12574970Abstract: 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 multi-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: GrantFiled: September 7, 2023Date of Patent: March 10, 2026Assignee: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Hanqing Lou, Guodong Zhang, Xiaofei Wang, Juan Fang, Oghenekome Oteri, Pengfei Xia, Monisha Ghosh, Robert L. Olesen