Patents by Inventor Lifeng Han

Lifeng Han 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: 11445434
    Abstract: A communication method includes: receiving, by a terminal device, sub-network information of a RAN sent by a network side device, where the sub-network information is used to indicate at least one RAN sub-network included in the RAN; accessing, by the terminal device, a target RAN sub-network among the at least one RAN sub-network based on a service requirement of the terminal device; and communicating, by the terminal device, with the network side device by using the target RAN sub-network.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: September 13, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Qinghai Zeng, Yada Huang, Jian Zhang, Lifeng Han
  • Publication number: 20220240331
    Abstract: A multi-cell configuration method and apparatus, a storage medium, a terminal and a base station are provided. The method includes: transmitting service information of data to be transmitted, wherein the service information comprises at least one of radio bearer information of the data to be transmitted, logical channel information of the data to be transmitted, an access category of the data to be transmitted, an access identity of the data to be transmitted, a multi-cell operation indicator, a duplication transmission indicator, and an indicator indicating that a service data amount of the data to be transmitted exceeds a preset service amount threshold; and receiving multi-cell configuration information, wherein the multi-cell configuration information instructs a UE to resume or activate a multi-cell operation.
    Type: Application
    Filed: April 13, 2020
    Publication date: July 28, 2022
    Inventor: Lifeng HAN
  • Publication number: 20220201530
    Abstract: Provided are a method for measuring an unlicensed band and a terminal. The method includes: receiving uplink measurement configuration information, measuring an uplink unlicensed band to obtain a measurement result, and reporting the measurement result.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 23, 2022
    Inventor: Lifeng Han
  • Publication number: 20220124584
    Abstract: This application provides a reflective QoS flow characteristic-based communications method and apparatus. In the method, an access-network network element sends first information to a core-network network element, where the first information is used to indicate whether a data packet has a reflective QoS flow characteristic; and the access-network network element determines, based on the first information, whether there is a need to send a QoS flow identifier to a terminal. In this way, signaling overheads are reduced.
    Type: Application
    Filed: September 27, 2021
    Publication date: April 21, 2022
    Inventors: Lifeng HAN, Hongping ZHANG, Qinghai ZENG, Qufang HUANG, Yinghao GUO
  • Publication number: 20220104095
    Abstract: A method and device for triggering cell reselection, a storage medium, and a user terminal are provided. The method comprises: when a request to establish or resume an RRC connection is initiated, determining whether the number of consecutive LBT failures exceeds a preset threshold; and if the number of consecutive LBT failures exceeds the preset threshold, performing cell reselection in response.
    Type: Application
    Filed: January 8, 2020
    Publication date: March 31, 2022
    Inventor: Lifeng HAN
  • Publication number: 20220095177
    Abstract: A cell changing method, a device, a storage medium, and a terminal. The cell changing method comprises: executing a listen-before-talk operation on the basis of an unlicensed spectrum resource; and, if the execution of the listen-before-talk operation fails consecutively, then executing a cell selection or cell reselection. The technical solution of the present invention increases the success rate of an RRC connection in a case of consecutive failures of unlicensed spectrum LBT, thus effectively solving the problem of an RRC connection failure.
    Type: Application
    Filed: November 15, 2019
    Publication date: March 24, 2022
    Inventors: Lifeng HAN, Xingya SHEN
  • Publication number: 20220086859
    Abstract: The present disclosure relates to a method for scheduling a logical channel, a method for generating configuration information and a device. The method for scheduling a logical channel comprises: determining, according to logical channel configuration information, a coverage area of each logical channel, the configuration information comprising coverage area information of the logical channel; selecting, according to a transmission distance of a grant, a logical channel having a coverage area matching the transmission distance; and allocating a resource to the selected logical channel, and completing scheduling. The method for generating configuration information comprises: generating configuration information according to service quality information of a service, the configuration information comprising coverage area information of each logical channel; and sending the configuration information to user equipment.
    Type: Application
    Filed: November 11, 2019
    Publication date: March 17, 2022
    Inventors: Huifang FAN, Lifeng HAN, Xiangxin GU
  • Publication number: 20220078849
    Abstract: A method and device for reporting random access statistical information, the reporting method comprising: acquiring statistical information for random access and reporting the statistical information and category information to a base station, the category information being used to indicate a random access category corresponding to he statistical information. By means of reporting statistical information for different random access categories, a terminal may optimize parameters for each random access process, thereby reducing the consumption of resources and signaling overhead, and improving the efficiency of random access.
    Type: Application
    Filed: November 20, 2019
    Publication date: March 10, 2022
    Inventors: Lifeng HAN, Yun DENG
  • Publication number: 20220060931
    Abstract: This application provides a transmission method and a data transmission apparatus, so as to avoid out-of-order of data packets.
    Type: Application
    Filed: August 27, 2021
    Publication date: February 24, 2022
    Inventors: Lifeng HAN, Rui WANG, Mingzeng DAI, Hongping ZHANG, Qinghai ZENG
  • Patent number: 11240724
    Abstract: A method for a handover of a mobile station performed by a source base station and a target base station. The target base station receives a handover request message, from the source base station, in which includes QoS information of the mobile device, radio bearer identifier information of the source base station, and a first mapping relationship between a flow and a radio bearer of the source base station, the target base station acknowledges with a handover acknowledgement message. Therefore resource preparation at the target base station during a handover procedure is improved.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: February 1, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lifeng Han, Hongping Zhang, Qufang Huang, Qinghai Zeng
  • Publication number: 20210392702
    Abstract: A method for performing a random access process, and a storage medium are provided. The method includes: sending a first message; and receiving a second message by using a first resource to complete a random access operation, wherein the first resource is used by a single UE, or the first resource is shared by a plurality of UEs having contention.
    Type: Application
    Filed: August 27, 2021
    Publication date: December 16, 2021
    Inventor: Lifeng HAN
  • Patent number: 11190626
    Abstract: Embodiments of the present application relate to the field of data transmission, and provide a data transmission method, a communications device, a terminal, and a base station. In at least one embodiment, different configuration parameters are configured for data packets having different importance, so that an important data packet is ensured at a high priority. In at least one embodiment, a communications device is configured to determine an attribute of a data packet to be transmitted, where the attribute of the data packet is used to indicate importance of the data packet. The communications device is configured to transmit the data packet by using a configuration parameter corresponding to the attribute of the data packet.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: November 30, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jing Liu, Lifeng Han
  • Patent number: 11191072
    Abstract: Example information transmission methods are described. One example method includes that a first base station receives resource status information from a second base station. The resource status information includes a service classification identifier and a resource status corresponding to the service classification identifier. The service classification identifier is a service type identifier or slice identification information.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: November 30, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lifeng Han, Yada Huang
  • Publication number: 20210345301
    Abstract: Embodiments of this application disclose a data transmission method, where the method includes: receiving, by user equipment, first information from a radio access device, where the first information indicates different transmission classes corresponding to a plurality of logical channels; determining, by the user equipment based on the first information, a transmission format of uplink data on at least one logical channel corresponding to at least one transmission class in the different transmission classes, and determining a transmission resource in the transmission format; and sending, by the user equipment, the uplink data by using the transmission format and the transmission resource in the transmission format. In this application, different transmission resources are allocated to uplink data on logical channels LCHs of different transmission classes, so that different requirements of different uplink data can be met.
    Type: Application
    Filed: July 16, 2021
    Publication date: November 4, 2021
    Inventors: Lifeng HAN, Jian ZHANG, Qinghai ZENG
  • Patent number: 11159998
    Abstract: This application provides a reflective QoS flow characteristic-based communications method and apparatus. In the method, an access-network network element sends first information to a core-network network element, where the first information is used to indicate whether a data packet has a reflective QoS flow characteristic; and the access-network network element determines, based on the first information, whether there is a need to send a QoS flow identifier to a terminal. In this way, signaling overheads are reduced.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: October 26, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lifeng Han, Hongping Zhang, Qinghai Zeng, Qufang Huang, Yinghao Guo
  • Publication number: 20210273767
    Abstract: A method for flexible feedback in V2X transmission, and a user equipment are provided. The method implemented in a receiving UE (user equipment) includes the following. A feedback requirement indicated by a transmitting UE is received during V2X transmission. A feedback resource is determined according to the feedback requirement. Feedback information is sent to the transmitting UE on the feedback resource according to the feedback requirement. The method implemented in a transmitting UE includes the following. A feedback requirement is indicated to a receiving UE during V2X transmission. Feedback information sent by the receiving UE on a feedback resource according to the feedback requirement is received, where the feedback resource is determined by the receiving UE according to the feedback requirement.
    Type: Application
    Filed: April 29, 2021
    Publication date: September 2, 2021
    Inventors: Yun Deng, Lifeng Han, Xiangxin Gu
  • Patent number: 11109263
    Abstract: This application provides a transmission method and a data transmission apparatus. The method includes: sending, by a source access network device, data packets of a QoS flow and a first end marker packet to a first core network user plane device over a first data tunnel, wherein the first end marker packet indicates an end of sending data packets of the QoS flow to the first core network user plane device, and the first data tunnel is corresponding to a first PDU session; sending, by the first core network user plane device, the data packets received from the source access network device and a second end marker packet to a second core network user plane device over a second data tunnel; and sending, by the second core network user plane device, the data packets received from the first core network user plane device to a target access network device.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: August 31, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lifeng Han, Rui Wang, Mingzeng Dai, Hongping Zhang, Qinghai Zeng
  • Publication number: 20210266774
    Abstract: A MDT measurement log transmission method, a terminal, and a readable storage medium. The MDT measurement log transmission method comprises: transmitting an available indication to a network side via a first signaling bearer, the available indication being used to indicate to the network side that log-type MDT measurement log information has been stored; receiving a reporting indication message transmitted by the network side via a second signaling bearer, the reporting indication message being used to indicate that the log-type MDT measurement log information has been reported; and determining a third signaling bearer, and transmitting the log-type MDT measurement log information to the network side on the basis of third signaling. The solution reports a MDT measurement log via a MN link or a SN link, thereby reporting a MDT measurement result in a timely manner.
    Type: Application
    Filed: June 26, 2019
    Publication date: August 26, 2021
    Inventor: Lifeng HAN
  • Patent number: 11071094
    Abstract: A data transmission method is provided. The method includes: receiving, by user equipment, first information from a radio access device, where the first information indicates different transmission classes corresponding to a plurality of logical channels; determining, by the user equipment based on the first information, a transmission format of uplink data on at least one logical channel corresponding to at least one transmission class in the different transmission classes, and determining a transmission resource in the transmission format; and sending, by the user equipment, the uplink data by using the transmission format and the transmission resource in the transmission format. In this application, different transmission resources are allocated to uplink data on logical channels (LCHs) of different transmission classes, so that different requirements of different uplink data can be met.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: July 20, 2021
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lifeng Han, Jian Zhang, Qinghai Zeng
  • Publication number: 20210153064
    Abstract: A data processing method and apparatus are disclosed, and the method includes: determining a radio bearer (RB) to which a first flow is mapped changing from a first RB to a second RB; and sending end indication information. Data packet disorder can be avoided by said method and apparatus.
    Type: Application
    Filed: December 3, 2020
    Publication date: May 20, 2021
    Inventors: Qufang HUANG, Mingzeng DAI, Lifeng HAN, Qinghai ZENG