Patents by Inventor Zhu Ji

Zhu Ji 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: 11616680
    Abstract: This disclosure relates to techniques for supporting narrowband device-to-device wireless communication, including possible techniques for providing synchronization sequences. A first wireless device may transmit a preamble of a device-to-device wireless communication with a second wireless device. The preamble may include a first synchronization sequence. The first synchronization sequence may include multiple repetitions of a basis sequence, multiplied by a cover code. The basis sequence may span multiple orthogonal frequency division multiplexing symbols.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: March 28, 2023
    Assignee: Apple Inc.
    Inventors: Yang Li, Tianyan Pu, Li Su, Zhu Ji
  • Patent number: 11589305
    Abstract: Apparatuses, systems, and methods for a wireless device to perform a method including a user equipment device (UE) exchanging communications with a base station to determine one or more scheduling profiles, such as one or more scheduling-power profiles, where a scheduling-power profile may specify one or more parameters associated with UE communication behavior, e.g., one or more constraints on UE communication behavior and/or slot scheduling of UE communications. In addition, the method may include the UE receiving a slot configuration schedule from the base station. The slot configuration schedule may be based on at least one scheduling-power profile of the one or more scheduling-power profiles. Further, the method may include the UE performing communications with the base station based on the at least one scheduling-power profile.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: February 21, 2023
    Assignee: Apple Inc.
    Inventors: Yuchul Kim, Wei Zhang, Sami M. Almalfouh, Junsung Lim, Haitong Sun, Wei Zeng, Dawei Zhang, Zhu Ji, Yang Li, Johnson O. Sebeni
  • Publication number: 20230038005
    Abstract: Apparatuses, systems, and methods for providing downlink control for non-coherent joint transmission. A cellular base station may provide downlink control information associated with a non-coherent joint transmission downlink data communication to a wireless device, which may receive the downlink control information. The downlink control information may be provided as a single downlink control information including scheduling information for two data streams of the non-coherent joint transmission data communication, or a portion of a multi-stage downlink control information transmission. The wireless device may receive the non-coherent joint transmission downlink data communication based at least in part on the downlink control information.
    Type: Application
    Filed: October 19, 2022
    Publication date: February 9, 2023
    Inventors: Haitong Sun, Johnson O. Sebeni, Zhu Ji, Dawei Zhang, Wei Zhang, Yuchul Kim, Tianyan Pu, Pengkai Zhao, Wei Zeng
  • Publication number: 20230043319
    Abstract: In an example method, a first device determines a first Zadoff-Chu sequence having a first root value, and a second Zadoff-Chu sequence having a second root value, where the first root value is an inverse modulus of the first root value. Further, the first device generates a wireless signal including (i) a first preamble generated based, at least in part, on the first Zadoff-Chu sequence, (ii) a second preamble generated based, at least in part, on the second Zadoff-Chu sequence, and (iii) a payload. Further, the first device transmits the wireless signal from the first device to a second device.
    Type: Application
    Filed: July 23, 2021
    Publication date: February 9, 2023
    Inventors: Zhu Ji, Jianxiong Shi, Miao Yao
  • Patent number: 11564167
    Abstract: Apparatuses, systems, and methods for a wireless device to perform methods for configuring a power savings signal in fifth generation (5G) new radio (NR) networks. The wireless device may transmit, to a base station within a network, power savings requirements and receiving, from the base station, a configuration of a power saving signal, where the configuration indicates one or more functionalities of the power saving signal. The wireless device may periodically receive, from the base station, the power saving signal and interpret the power saving signal based on the configuration. The configuration of the power saving signal may be received via radio resource control signaling.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: January 24, 2023
    Assignee: Apple Inc.
    Inventors: Yuchul Kim, Wei Zeng, Haitong Sun, Dawei Zhang, Jia Tang, Yang Li, Zhu Ji, Johnson O. Sebeni
  • Publication number: 20230017109
    Abstract: This disclosure relates to techniques for a wireless device to dynamically adapt its bandwidth use using network scheduling information in a cellular communication system. A radio resource control connection between a cellular base station and a wireless device may be established. The wireless device may receive network scheduling information from the cellular base station. The wireless device may dynamically select a receive bandwidth for receiving transmissions from the cellular base station based at least in part on the network scheduling information.
    Type: Application
    Filed: September 20, 2022
    Publication date: January 19, 2023
    Inventors: Yuchul Kim, Jia Tang, Yang Li, Wei Zeng, Haitong Sun, Yu Zhang, Zhu Ji, Dawei Zhang
  • Patent number: 11558929
    Abstract: This disclosure relates to performing cellular communication using a control information monitoring framework. A wireless device may monitor a control channel for control information according to a first periodic pattern. According to the first periodic pattern, the wireless device may monitor the control channel in a specified slot during each period of the first periodic pattern. Each period of the first periodic pattern may include multiple slots. The wireless device may receive control information during a first slot. The first slot may be a specified slot according to the first periodic pattern. The control information received during the first slot may schedule a data communication. The wireless device may monitor the control channel for control information in at least one slot that is not specified according to the first periodic pattern based at least in part on receiving control information during a specified slot according to the first periodic pattern.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: January 17, 2023
    Assignee: Apple Inc.
    Inventors: Yuchul Kim, Junsung Lim, Wei Zeng, Haitong Sun, Wei Zhang, Galib A. Mohiuddin, Sami M. Almalfouh, Yang Li, Zhu Ji, Tianyan Pu, Dawei Zhang, Johnson O. Sebeni
  • Patent number: 11533770
    Abstract: Apparatuses, systems, and methods for a wireless device to perform substantially concurrent communications with a next generation network node and a legacy network node. The wireless device may be configured to stablish a first wireless link with a first cell according to a RAT, where the first cell operates in a first system bandwidth and establish a second wireless link with a second cell according to a RAT, where the second cell operates in a second system bandwidth. Further, the wireless device may be configured to perform uplink activity for both the first RAT and the second RAT by TDM uplink data for the first RAT and uplink data for the second RAT if uplink activity is scheduled according to both the first RAT and the second RAT.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: December 20, 2022
    Assignee: Apple Inc.
    Inventors: Wei Zeng, Haijing Hu, Yuchul Kim, Dawei Zhang, Xiangying Yang, Zhu Ji, Yang Li, Beibei Wang, Jia Tang, Sami M. Almalfouh, Johnson O. Sebeni, Wei Zhang, Tianyan Pu, Vijay Venkataraman, Christian W. Mucke
  • Patent number: 11533264
    Abstract: A device, system, and method perform an adaptive link adaptation. The method, at a user equipment (UE) connected to a Long Term Evolution (LTE) network via an evolved Node B (eNB), includes determining a type of wireless traffic being utilized by the UE based upon at least one application executed on the UE, the wireless traffic being one of a data only, a voice only, or a combination thereof. The method includes determining a block error rate (BLER) target value to be used in a channel state feedback operation associated with a link adaptation operation for a connection between the UE and the eNB.
    Type: Grant
    Filed: September 7, 2015
    Date of Patent: December 20, 2022
    Assignee: Apple Inc.
    Inventors: Zhu Ji, Johnson O. Sebeni, Xugang Song, Yanxia Wang
  • Publication number: 20220394605
    Abstract: A device, system and method for a user equipment (UE) to report a network resource and capability state to a network for coordinating network resource allocations. The UE is configured to establish a first connection to a first network based on a first subscriber identity module (SIM) of the UE and further configured to establish a second connection to a second network based on a second SIM of the UE. The method includes determining an upcoming first change of a state of the UE with respect to the first connection and transmitting, to the first network, an indication of the first change of state of the UE. The method further includes changing the state of the UE with respect to the first connection.
    Type: Application
    Filed: November 28, 2019
    Publication date: December 8, 2022
    Inventors: Beibei WANG, Pengkai ZHAO, Zhu JI, Fangli XU, Haijng HU, Yuqin CHEN, Lele CUI, Ruirui ZONG, Haitong SUN, Wei ZENG, Jia TANG, Tianyan PU, Johnson O. SEBENI, Dawei ZHANG, Thanigaivelu ELANGOVAN, Hailong YANG, Xueting LIU
  • Publication number: 20220386415
    Abstract: This disclosure relates to techniques for supporting message mapping via time and/or frequency indexing. For example, these techniques may be applied to device-to-device wireless communication. For example, device to device discovery may use message mapping via frequency indexing. A portion of the payload of a message, such as a discovery message, may be offloaded to a frequency and/or time index. A receiving device may determine the offloaded portion of the payload based on the frequency and/or time (e.g., subcarrier and/or slot) used to transmit the message.
    Type: Application
    Filed: August 10, 2022
    Publication date: December 1, 2022
    Inventors: Yang Li, Li Su, Zhu Ji, Tianyan Pu
  • Patent number: 11516882
    Abstract: Apparatuses, systems, and methods for providing downlink control for non coherent joint transmission. A cellular base station may provide downlink control information associated with a non coherent joint transmission downlink data communication to a wireless device, which may receive the downlink control information. The downlink control information may be provided as a single downlink control information including scheduling information for two data streams of the non coherent joint transmission data communication, or a portion of a multi-stage downlink control information transmission. The wireless device may receive the non coherent joint transmission downlink data communication based at least in part on the downlink control information.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: November 29, 2022
    Assignee: Apple Inc.
    Inventors: Haitong Sun, Johnson O. Sebeni, Zhu Ji, Dawei Zhang, Wei Zhang, Yuchul Kim, Tianyan Pu, Pengkai Zhao, Wei Zeng
  • Publication number: 20220368403
    Abstract: Apparatuses, systems, and methods for a wireless device to perform methods to implement mechanisms for a UE to request a beam quality measurement procedure. A user equipment device may be configured to perform a method including performing transmitting a request to perform a beam quality measurement procedure for downlink receptions (e.g., a P3 procedure) to a base station/network entity, receiving instructions to perform the beam quality measurement procedure from the base station, and transmitting results of the beam quality measurement procedure to the base station. In some embodiments, transmission of the request may be response to at least one trigger condition and/or detection of a condition at the UE. The request may include an indication of a preferred timing offset. The instructions to perform the beam quality measurement procedure may include a schedule for the beam quality measurement.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 17, 2022
    Inventors: Jia Tang, Beibei Wang, Dawei Zhang, Haitong Sun, Johnson O. Sebeni, Pengkai Zhao, Ping Wang, Wei Zeng, Yang Li, Zhu Ji
  • Publication number: 20220330286
    Abstract: A user equipment device may determine whether to power down one or more components based at least on a scheduling parameter that includes an indication of cross-slot scheduling. The device may power down the one or more components prior to decoding control information during a slot for which the scheduling parameter indicates that cross-slot scheduling is in place.
    Type: Application
    Filed: June 29, 2022
    Publication date: October 13, 2022
    Inventors: Jia Tang, Wei Zhang, Wei Zeng, Haitong Sun, Yuchul Kim, Ping Wang, Sreevalsan Vallath, Zhu Ji, Dawei Zhang
  • Publication number: 20220318211
    Abstract: Disclosed herein are system, method, and computer program product embodiments for database management coordinators operated by a source server and a target server, respectively. The database management coordinator can be in a state selected from an initial state, a ready state, a transmission state, or a pause state. The database management coordinator operated by the source server can extract data in a first format stored in a first storage device and convert the data in the first format into a second format to be transmitted to the target serer. The database management coordinator operated by the target server can convert the data in the second format into a third format to be stored in a third storage device associated with the target server.
    Type: Application
    Filed: March 30, 2021
    Publication date: October 6, 2022
    Inventors: Hong-zhu Ji, Tianlun Chen, Ying Li, Ning Li, Hu Yin, Zhan-feng Ma, Jian-ping Hui
  • Patent number: 11457508
    Abstract: This disclosure relates to techniques for supporting message mapping via time and/or frequency indexing. For example, these techniques may be applied to device-to-device wireless communication. For example, device to device discovery may use message mapping via frequency indexing. A portion of the payload of a message, such as a discovery message, may be offloaded to a frequency and/or time index. A receiving device may determine the offloaded portion of the payload based on the frequency and/or time (e.g., subcarrier and/or slot) used to transmit the message.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: September 27, 2022
    Assignee: Apple Inc.
    Inventors: Yang Li, Li Su, Zhu Ji, Tianyan Pu
  • Patent number: 11457458
    Abstract: This disclosure relates to techniques for a wireless device to dynamically adapt its bandwidth use using network scheduling information in a cellular communication system. A radio resource control connection between a cellular base station and a wireless device may be established. The wireless device may receive network scheduling information from the cellular base station. The wireless device may dynamically select a receive bandwidth for receiving transmissions from the cellular base station based at least in part on the network scheduling information.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: September 27, 2022
    Assignee: Apple Inc.
    Inventors: Yuchul Kim, Jia Tang, Yang Li, Wei Zeng, Haitong Sun, Yu Zhang, Zhu Ji, Dawei Zhang
  • Patent number: 11438959
    Abstract: A device and method for power optimization for a user equipment (UE) without neighbor cell measurement configuration. The UE may be configured with Connected Discontinuous Reception (C-DRX) functionality including a cycle with an onDuration. The UE may be configured with carrier aggregation (CA) in the unlicensed spectrum including a reference signal (DRS) monitoring timing configuration (DMTC) occasion that occurs outside of the onDuration. The UE determines at least one subframe of the onDuration for the UE to utilize an active mode of processing related to performing measurements corresponding to a cell utilizing the unlicensed spectrum. The UE determines to utilize a sleep mode of processing related to performing the measurements during the DMTC occasion based on detecting a first downlink signal transmitted by the cell during the at least one subframe of the onDuration.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: September 6, 2022
    Assignee: Apple Inc.
    Inventors: Beibei Wang, Johnson O. Sebeni, Zhu Ji, Jia Tang, Yang Li, Tianyan Pu
  • Publication number: 20220264569
    Abstract: Apparatuses, systems, and methods to dynamically indicate preference for self-contained slots and slot duration by a user equipment device (UE) in communication with a base station (e.g., a gNB) using a 5G NR radio access technology. A UE may determine to send an indication to a gNB indicating a preference for self-contained slots and slot duration for downlink and/or uplink communications utilizing one or more of the physical downlink control channel (PDCCH), the physical downlink shared channel (PDSCH), and/or acknowledgement messaging (ACK/NACK) for downlink communications, and utilizing one or more of the physical uplink control channel (PUCCH), the PDCCH, and/or the physical uplink shared channel (PUSCH) for uplink communications. The configuration of self-contained slots and slot duration for uplink and/or downlink may be based on one or more of average packet size, average packet rate, traffic type and UE processing capabilities.
    Type: Application
    Filed: May 6, 2022
    Publication date: August 18, 2022
    Inventors: Zhu Ji, Yang Li, Yuchul Kim, Johnson O. Sebeni, Sami M. Almalfouh, Wei Zeng, Dawei Zhang
  • Publication number: 20220255613
    Abstract: Apparatuses, systems, and methods for a wireless device to perform beam management procedures with a base station. A wireless device in communication with a 5G base station may perform measurements and determine constraints relevant to beam selection. The device may select a recommended beam based on the measurements and constraint(s) and indicate the recommended beam to the base station. A recommended uplink beam may not correspond to a recommended downlink beam.
    Type: Application
    Filed: April 28, 2022
    Publication date: August 11, 2022
    Inventors: Jia Tang, Sami M. Almalfouh, Haitong Sun, Zhu Ji, Wei Zeng, Johnson O. Sebeni, Wei Zhang, Beibei Wang, Dawei Zhang, Pengkai Zhao