Patents by Inventor Fangli XU

Fangli XU 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: 20240049113
    Abstract: A user equipment (UE) is configured to decode a system information block (SIB). The UE receives a first signal, wherein the first signal includes a first individual system information block (SIB) segment of a SIB, receives a second signal, wherein the second signal includes a second individual SIB segment of the SIB, reassembles the SIB using first SIB segment and the second SIB segment and decodes the contents of the SIB.
    Type: Application
    Filed: April 1, 2021
    Publication date: February 8, 2024
    Inventors: Sethuraman GURUMOORTHY, Dawei ZHANG, Fangli XU, Haijing HU, Naveen Kumar R. PALLE VENKATA, Ralf ROSSBACH, Sarma V. VANGALA, Sigen YE, Srirang A. LOVLEKAR, Yuqin CHEN, Zhibin WU
  • Publication number: 20240049000
    Abstract: Systems and methods for using integrated access and backhaul (IAB) nodes configured to provide multi-access edge computing (MEC) functionality are disclosed herein. An TAB node includes a distributed unit (DU) having a local application instance of a MEC-enabled application. The local application instance is configured for communication with a first user equipment (UE) connected to the TAB node. A mobile termination functionality (MT) of the TAB node uses a packet data convergence protocol (PDCP) layer to transport data of the local application instance between the MT and an IAB donor. Further, data of the local application instance is transported between the UE and the TAB node via one of a variety of methods, including the use of a second PDCP layer at the DU (and optionally the use of service data adaptation protocol (SDAP) layers at each of the DU and the MT), and/or via sidelink.
    Type: Application
    Filed: June 28, 2021
    Publication date: February 8, 2024
    Inventors: Sarma V. Vangala, Sudeep Manithara Vamanan, Fangli Xu, Haijing Hu, Krisztian Kiss, Mona Agnel, Naveen Kumar R Palle Venkata, Ralf Rossbach, Sethuraman Gurumoorthy, Yuqin Chen, Zhibin Wu
  • Publication number: 20240049009
    Abstract: A user equipment (UE), a baseband processor or other network device can operate in a new radio (NR) unlicensed network can operate to communicate in a UE to UE (U2U) relay path through a first relay UE with another UE as a source or destination UE according to a direct communication request initiating from the source UE. The UE can further perform a U2U relay reselection to a second relay UE in response to a trigger condition, either as a source UE or a destination UE.
    Type: Application
    Filed: May 8, 2023
    Publication date: February 8, 2024
    Inventors: Peng Cheng, Zhibin Wu, Haijing Hu, Yuqin Chen, Fangli Xu, Ping-Heng Kuo, Alexander Sirotkin, Naveen Kumar R Palle Venkata, Ralf Rossbach
  • Publication number: 20240049137
    Abstract: A base station is configured to transmit wake-up signals to a user equipment to wake-up the UE to receive a page from the base station. The base station transmits one or more synchronization signals, wherein the synchronization signals correspond to a wake-up signal (WUS) that is to be transmitted to a user equipment (UE) operating in a paging discontinuous reception (DRX) cycle, wherein the paging DRX cycle includes a paging occasion (PO) and transmits the WUS to the UE during a WUS occasion, wherein the WUS indicates whether the UE is to utilize an active mode or a sleep mode during the PO.
    Type: Application
    Filed: October 17, 2023
    Publication date: February 8, 2024
    Inventors: Fangli XU, Chunhai YAO, Clive E. RODGERS, Dawei ZHANG, Haijing HU, Haitong SUN, Longda XING, Murtaza A. SHIKARI, Sarma V. VANGALA, Sethuraman GURUMOORTHY, Srirang A. LOVLEKAR, Wei ZENG, Yuchul KIM, Yuqin CHEN, Yushu ZHANG, Zhibin WU
  • Publication number: 20240049081
    Abstract: A user equipment (UE), a baseband processor or other network device can operate in a new radio (NR) unlicensed network can operate to communicate in a UE to UE (U2U) relay path through a first relay UE with another UE as a source or destination UE according to a direct communication request initiating from the source UE. The UE, as a source UE, can also perform the U2U relay reselection based on a measurement report received from a destination UE.
    Type: Application
    Filed: May 8, 2023
    Publication date: February 8, 2024
    Inventors: Peng Cheng, Zhibin Wu, Haijing Hu, Yuqin Chen, Fangli Xu, Ping-Heng Kuo, Alexander Sirotkin, Naveen Kumar R Palle Venkata, Ralf Rossbach
  • Patent number: 11895548
    Abstract: A base station may be configured to perform operations related to link management for a remote user equipment (UE). The operations comprising, transmitting configuration information to the remote UE and receiving information corresponding to a serving link associated with the remote UE. The operations further comprising determining that the serving link associated with the remote UE is to be switched from a first communication link to a second communication link. The operations further comprising, transmitting a message to the remote UE indicating that the serving link associated with the remote UE is to be switched from the first communication link to the second communication link. The operations further comprising, transmitting a message to a relay UE. The message is configured to trigger the relay UE to perform an operation corresponding to the serving link associated with the remote UE.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: February 6, 2024
    Assignee: Apple Inc.
    Inventors: Fangli Xu, Dawei Zhang, Haijing Hu, Longda Xing, Murtaza A. Shikari, Sethuraman Gurumoorthy, Sree Ram Kodali, Srinivasan Nimmala, Srirang A. Lovlekar, Yuqin Chen
  • Patent number: 11895495
    Abstract: This disclosure relates to techniques, base stations, and user equipment devices (UEs) for performing base station authentication through access stratum signaling transmissions. The UE may operate in idle mode and may receive an authentication message from a base station through the wireless interface while operating in idle mode. The UE may determine whether a signature comprised within the authentication message is valid, and the UE may continue a connection procedure with the base station based on a determination that the signature is valid. If it is determined that the signature is invalid, the UE may designate the base station as a barred base station and may perform cell re-selection. The authentication message may be one of a radio resource control (RRC) connection setup message, a special RRC message, a media access control (MAC) message, or a random access channel (RACH) message comprising a random access response (RAR) message.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: February 6, 2024
    Assignee: Apple Inc.
    Inventors: Xiangying Yang, Elliot S. Briggs, Samuel D. Post, Yannick L. Sierra, Fangli Xu, Dawei Zhang, Haijing Hu, Huarui Liang, Li Li, Lijia Zhang, Shu Guo, Yuqin Chen
  • Patent number: 11895602
    Abstract: Techniques are disclosed relating to reporting channel state information (CSI) when synchronization state is altered. In some embodiments, a UE starts a timing alignment timer (TAT) in response to a time alignment command (TAC) from a cellular network for one or more serving cells. In some embodiments, the UE stores a configuration for a semi-persistent (SP) channel state information (CSI) report for the apparatus over a physical uplink shared channel (PUSCH). In some embodiments, the UE activates the SP-CSI report based on downlink control information (DCI) from the network. In some embodiments, the UE transmits one or more SP-CSI reports according to the configuration. In some embodiments, in response to expiration of the TAT, the UE deactivates all active stored configurations of SP-CSI reports that use the PUSCH and that correspond to the one or more serving cells. In some embodiments, this may avoid collisions with PUSCH transmissions from other UEs, e.g., when the UE returns to an in-sync state.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: February 6, 2024
    Assignee: Apple Inc.
    Inventors: Yuqin Chen, Haijing Hu, Fangli Xu, Dawei Zhang
  • Publication number: 20240040427
    Abstract: Systems and methods are disclosed herein for using integrated access and backhaul (IAB) nodes configured to provide multi-access edge computing (MEC) functionality. An IAB node may include a MEC functionality that includes an instance of an application configured for MEC. A UE using the application connects to the network through an access link with the IAB node and establishes a PDU session for traffic of the application with a core network (CN). The CN may determine that the traffic corresponds to the application, and that an instance of the application is present on the IAB node. Accordingly, the CN may instruct the IAB donor to instantiate a remote packet data convergence protocol (PDCP) layer and, in some cases, a remote service data application (SDAP) layer that are configured to route the traffic from the UE for the application to the instance of the application on the IAB node.
    Type: Application
    Filed: June 28, 2021
    Publication date: February 1, 2024
    Inventors: Sudeep Manithara Vamanan, Sarma V. Vangala, Fangli Xu, Haijing Hu, Krisztian Kiss, Mona Agnel, Naveen Kumar R Palle Venkata, Ralf Rossbach, Sethuraman Gurumoorthy, Yuqin Chen, Zhibin Wu
  • Patent number: 11889308
    Abstract: Disclosed are embodiments for authentication and authorization in a 5G network between an edge enabler client (EEC) of a UE and an edge configuration server (ECS). The embodiment include performing primary authentication with the 5G network to obtain a KAUSF; generating a Kedge and a Kedge ID using the KAUSF and a subscription permanent identifier (SUPI); providing the Kedge and the Kedge ID to the EEC to cause it to compute a MACEEC using the Kedge and an EEC ID; and sending to the ECS an application registration request, the application registration request including the EEC ID, MACEEC, and Kedge ID.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: January 30, 2024
    Assignee: APPLE INC.
    Inventors: Shu Guo, Dawei Zhang, Fangli Xu, Haijing Hu, Huarui Liang, Mona Agnel, Ralf Rossbach, Sudeep Manithara Vamanan, Yuqin Chen
  • Publication number: 20240031882
    Abstract: The present application relates to devices and components including apparatus, systems, and methods for user equipment (UE)-based mobility optimization are described herein, including machine learning (ML)-assisted techniques.
    Type: Application
    Filed: August 30, 2021
    Publication date: January 25, 2024
    Inventors: Alexander SIROTKIN, Fangli XU, Haijing HU, Naveen Kumar R. PALLE VENKATA, Pavan NUGGEHALLI
  • Publication number: 20240032139
    Abstract: The functions of user equipment (UE), radio access network (RAN) devices, and core network (CN) devices in circumstances where a UE is expected to experience discontinuous coverage are described herein. A UE may send a CN a non-access stratum (NAS) message including a release request indicating that a UE is leaving coverage and assistance information. The CN may interrupt paging of the UE and resume the paging according to the assistance information. A UE may enter a low power usage mode upon leaving coverage, and may use one or more timers to determine when to check for coverage and send a mobility update message corresponding to the low power usage mode. A base station may receive, from a UE, a radio resource control (RRC) message comprising a release request and assistance information, send an RRC release message to the UE in response, and forward the assistance information to the CN.
    Type: Application
    Filed: August 4, 2021
    Publication date: January 25, 2024
    Inventors: Pavan Nuggehalli, Alexander Sirotkin, Fangli Xu, Haijing Hu, Naveen Kumar R Palle Venkata, Ralf Rossbach, Sarma V. Vangala, Sethuraman Gurumoorthy, Yuqin Chen, Zhibin Wu
  • Publication number: 20240032102
    Abstract: Some aspects of this disclosure relate to apparatuses and methods for implementing unified RACH for multiple features. For example, some aspects of this disclosure relate to a method including determining, by a user equipment (UE), a feature to be indicated at an initial access of the UE to a base station and determining whether the UE and the base station support feature specific random access (RA) procedure for the feature. The method further includes determining whether a condition for the feature is satisfied in response to determining that both the UE and the base station support the feature specific RA procedure for the feature. In response to determining that the condition is satisfied, the method includes selecting a feature specific Random Access Channel (RACH) resource and perform a 4-step RA procedure or a 2-step RA procedure based on the selected feature specific RACH resource.
    Type: Application
    Filed: July 23, 2021
    Publication date: January 25, 2024
    Applicant: Apple Inc.
    Inventors: Fangli XU, Yuqin CHEN, Yushu ZHANG, Chunhai YAO, Haijing HU, Wei ZENG, Dawei ZHANG
  • Publication number: 20240031983
    Abstract: Methods and systems are disclosed to configure different paging occasions for enhanced UEs that support, and for legacy UEs that do not support, the enhanced feature of the paging early indication (PEI) in paging procedure for 5G/LTE networks. Different paging occasions for the enhanced and legacy UEs may be configured by providing separate paging occasion parameters for the enhanced and legacy UEs. The network may use the separate paging parameters to design the PEI to save signaling overhead. The network may reuse paging format for the paging PDCCH to serve as the PEI that is transmitted in advance of the paging occasions for the enhanced UEs, or may keep legacy paging PDCCH at its current locations to serve as the PEI for the enhanced UEs. A scheduling offset may be configured to separate in time the paging PDCCH serving as the PEI and the paging PDSCH containing the paging message.
    Type: Application
    Filed: April 6, 2021
    Publication date: January 25, 2024
    Inventors: Sigen Ye, Chunxuan Ye, Dawei Zhang, Fangli Xu, Haitong Sun, Huaning Niu, Sethuraman Gurumoorthy, Seyed Ali Akbar Fakoorian, Wei Zeng, Yushu Zhang
  • Publication number: 20240032115
    Abstract: The present application relates to devices and components including apparatus, systems, and methods for secure random access in wireless communication systems.
    Type: Application
    Filed: July 1, 2021
    Publication date: January 25, 2024
    Inventors: Zhibin WU, Fangli XU, Haijing HU, Naveen Kumar R. PALLE VENKATA, Pavan NUGGEHALLI, Ralf ROSSBACH, Sarma V. VANGALA, Shu GUO
  • Publication number: 20240031102
    Abstract: Techniques discussed herein can facilitate transmission and reference signals (RS) associated with layer-1 (L1) operations outside of a configured carrier bandwidth (CBW) of a user equipment (UE). One example aspect is a UE with one or more processors configured to transmit UE capability information. The UE capability information includes a frequency separation threshold, where the frequency separation threshold represents a frequency separation from a CBW of the UE. The one or more processors are further configured to receive a RS within the frequency separation threshold and outside of the CBW, and subsequently perform a L1 operation based on the RS.
    Type: Application
    Filed: July 20, 2023
    Publication date: January 25, 2024
    Inventors: Qiming Li, Yang Tang, Manasa Raghavan, Dawei Zhang, Jie Cui, Xiang Chen, Fangli Xu, Rolando E Bettancourt Ortega, Yuexia Song
  • Publication number: 20240032008
    Abstract: The present application relates to devices and components including apparatus, systems, and methods for measurement configurations and user equipment capability reporting in wireless networks.
    Type: Application
    Filed: August 4, 2021
    Publication date: January 25, 2024
    Applicant: Apple Inc.
    Inventors: Yuqin Chen, Dawei Zhang, Fangli Xu, Haijing Hu, Qiming Li
  • Patent number: 11882435
    Abstract: MBS key distribution includes processing group information associated with an MB session context received from an AF. At least a portion of the group information comprises a TMGI. A plurality of session join requests received from a plurality of UEs are processed. Each of the plurality of session join requests include the TMGE and are associated with the MB session context. A request associated with the MB session context for transmission to an MB-SMF is encoded. A response associated with the MB session context received from the MB-SMF is processed. The response includes a key derived for each of a portion of the plurality of UEs using a UE ID and the TMGI. A DL NAS message and an N2 message are encoded for the plurality of UEs and a base station, respectively. The DL NAS message and the N2 message include the derived key.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: January 23, 2024
    Assignee: APPLE INC.
    Inventors: Shu Guo, Dawei Zhang, Fangli Xu, Haijing Hu, Huarui Liang, Sudeep Manithara Vamanan, Yuqin Chen
  • Publication number: 20240023197
    Abstract: Embodiments of the present disclosure relate to discontinuous reception (DRX) transmission. Embodiments of the present disclosure propose a solution for DRX configurations for point-to-point (PTP) and/or point-to-multipoint (PTM) transmissions. In this solution, a user equipment (UE) maintains separate DRX configurations for PTP transmissions and PTM transmissions. During active time for the PTP transmissions, the UE monitors physical downlink control channel (PDCCH) with a UE specific identifier. The UE monitors PDCCH with a PTM transmission specific identifier during active time for the PTM transmissions. In this way, it can match the MBS service quality mechanism. Moreover, it also saves power at the UE.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 18, 2024
    Inventors: Fangli XU, Chunhai YAO, Dawei ZHANG, Haijing HU, Naveen Kumar R. PALLE VENKATA, Pavan NUGGEHALLI, Ralf ROSSBACH, Sarma V. VANGALA, Sethuraman GURUMOORTHY, Yuqin CHEN, Zhibin WU
  • Publication number: 20240023194
    Abstract: Embodiments of the present disclosure relate to discontinuous reception (DRX) transmission. Embodiments of the present disclosure propose a solution for DRX configurations for point-to-point (PTP) and/or point-to-multipoint (PTM) transmissions. In this solution, a user equipment (UE) maintains separate DRX configurations for PTP transmissions and PTM transmissions. During active time for the PTP transmissions, the UE monitors physical downlink control channel (PDCCH) with a UE specific identifier. The UE monitors PDCCH with a PTM transmission specific identifier during active time for the PTM transmissions. In this way, it can match the MBS service quality mechanism. Moreover, it also saves power at the UE.
    Type: Application
    Filed: August 5, 2021
    Publication date: January 18, 2024
    Inventors: Fangli XU, Chunhai YAO, Dawei ZHANG, Haijing HU, Naveen Kumar R. PALLE VENKATA, Pavan NUGGEHALLI, Ralf ROSSBACH, Sarma V. VANGALA, Sethuraman GURUMOORTHY, Yuqin CHEN, Zhibin WU