Patents by Inventor Xiaoying Xu
Xiaoying 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).
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Publication number: 20250024372Abstract: Techniques are described to enable a user equipment (UE) to save power consumption and/or can enable the UE to acquire the channel state in time without reducing the UE's data transmission efficiency. An example technique includes determining, by the communication device, an operating mode based on a first signaling, and operating the communication device in the operating mode, where the operating mode includes any one of a normal mode, a first power saving mode, a second power saving mode, a third power saving mode, or a fourth power saving mode.Type: ApplicationFiled: September 30, 2024Publication date: January 16, 2025Inventors: Xiaoying MA, Jun XU, Mengzhu CHEN, Hao WU, Qiujin GUO, Xuan MA, Focai PENG
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Publication number: 20240422641Abstract: This application discloses a communication method and apparatus. The method includes: A terminal device receives, in a first cell, configuration information of at least one candidate cell from an access network device; and selects a second cell when a radio link of the first cell meets a first condition (that is, a problem occurs on the radio link of the first cell). If the second cell belongs to the at least one candidate cell, the terminal device is handed over from the first cell to the second cell, and communicates with the access network device in the second cell based on configuration information of the second cell.Type: ApplicationFiled: August 27, 2024Publication date: December 19, 2024Inventors: Chong LOU, Xiaoying XU, Zhifang GU, Qiang FAN
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Patent number: 12160931Abstract: This application provides a method, includes: a first network node sends an inactivity timer of a terminal device to a second network node, the first network node receives an inactive state indication of the terminal device from the second network node, wherein the inactive state indication of the terminal device is used by the first network node to determine whether the terminal device to enter an inactive state, the first network node notifies the second network node that the terminal device enters the inactive state.Type: GrantFiled: April 5, 2021Date of Patent: December 3, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Rui Wang, Mingzeng Dai, Haiyan Luo, Xiaoying Xu, Tingting Geng, Hongzhuo Zhang
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Patent number: 12143985Abstract: This application provides a data transmission method and apparatus. A terminal: receives a first uplink grant from a network device; sends first uplink data in to-be-sent data to the network device by using the first uplink grant; receives a second uplink grant from the network device; and sends second uplink data to the network device by using the second uplink grant, where the second uplink data is at least a part of uplink data in the to-be-sent data except the first uplink data, where the terminal is in a first state, and where the first state includes an idle state or an inactive state. The embodiments of this application help reduce a latency in a data transmission process.Type: GrantFiled: February 1, 2022Date of Patent: November 12, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Chong Lou, Qufang Huang, Xiaoying Xu
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Patent number: 12127269Abstract: This application provides a random access method and a communications apparatus. The method includes: determining at least one random access preamble from at least one 2-step random access preamble, or determining one type of random access preamble from at least one 2-step random access preamble and at least one 4-step random access preamble, and performing random access by using the determined random access preamble. According to the application, the terminal device can determine a type of random access to be performed, thereby reducing an access latency.Type: GrantFiled: October 25, 2021Date of Patent: October 22, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Xiaoying Xu, Qufang Huang, Chunhua You, Yinghao Guo, Li Zhao
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Patent number: 12108386Abstract: A method includes: triggering, by a terminal device, a scheduling request (SR); in response to determining that a physical uplink control channel (PUCCH) carrying the SR and a physical uplink shared channel (PUSCH) carrying a first data packet overlap in time domain of a first uplink resource and a processing status of the PUSCH on the first uplink resource is processing completed, sending, based on the processing status of the PUSCH on the first uplink resource, the PUCCH on an overlapping time domain resource. According to the method, when the PUCCH carrying the SR and the PUSCH overlap in time domain of the first uplink resource, the terminal device considers the processing status of the PUSCH on the first uplink resource, and may determine, based on the processing status of the PUSCH on the first uplink resource, to send the PUCCH or the PUSCH on the overlapping time domain resource.Type: GrantFiled: September 28, 2021Date of Patent: October 1, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Chong Lou, Qiang Fan, Qufang Huang, Xiaoying Xu
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Patent number: 12101818Abstract: A random access method is provided including: a terminal side device obtains first uplink data from a first message buffer, wherein the first message buffer is a buffer specific to a first random access procedure, the first random access procedure is a procedure in which the terminal side device sends a first random access request, sends the first uplink data on a first uplink resource, and receives response information, and the response information is a first random access response to the first random access request or a response to the first uplink data. The terminal side device sends the first random access request to a network side device, and sends the first uplink data to the network side device on the first uplink resource. The terminal side device detects downlink control information, wherein the downlink control information indicates a resource of the response information.Type: GrantFiled: August 13, 2021Date of Patent: September 24, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Xiaoying Xu, Qufang Huang, Chunhua You, Qiang Fan, Yinghao Guo, Chong Lou
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Patent number: 12082131Abstract: The present disclosure relates to time synchronization methods and apparatus. In one example method, a terminal receives a system information block (SIB) sent by a distributed unit (DU), where the SIB is generated by the DU, the SIB includes time information, and the time information indicates a moment corresponding to a boundary of a system frame number (SFN) at which an end boundary of a system information (SI) window for sending the SIB is located, or indicates a moment corresponding to a boundary of an SFN immediately after an end boundary of an SI window for sending the SIB. The UE processes the time information to obtain a time reference.Type: GrantFiled: July 1, 2021Date of Patent: September 3, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Xiaoying Xu, Qufang Huang, Feng Han
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Patent number: 12082305Abstract: An entity establishment processing method and an apparatus are provided. The processing method includes: A terminal side device receives first indication information from a first network side device, where the first indication information is used to trigger reestablishment of a first PDCP entity of the terminal side device. When a first bearer corresponding to the first PDCP entity is not a radio bearer used to perform duplication transmission between the terminal side device and a core network side device, in a process in which the terminal side device reestablishes the first PDCP entity based on the first indication information, the terminal side device sets a parameter of the first PDCP entity to an initial value.Type: GrantFiled: August 13, 2021Date of Patent: September 3, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Xiaoying Xu, Hui Ni, Zhenzhen Cao, Qufang Huang
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Publication number: 20240284172Abstract: Embodiments of this application provide a secure communication method. In the method, security check is introduced in a plaintext information transmission process. An access network device preconfigures a security check value or a correspondence between a security check value and plaintext information, and performs security check in subsequent communication.Type: ApplicationFiled: April 26, 2024Publication date: August 22, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Chong Lou, Xiaoying Xu, Zhifang Gu
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Publication number: 20240275520Abstract: This application discloses a communication method. The communication method includes: First UE receives a first message from a first access network device, where the first message is used by the first UE to perform RRC reconfiguration, the first message includes a network coding NC configuration parameter, the NC configuration parameter includes first indication information, and the first indication information indicates the terminal first UE to perform an NC operation with a second access network device; and the first UE separately performs NC operations on a first coded packet and a second coded packet based on the first message, where the first coded packet is a coded packet generated or received by the first access network device, and the second coded packet is a coded packet generated or received by the second access network device.Type: ApplicationFiled: May 1, 2024Publication date: August 15, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventor: Xiaoying XU
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Publication number: 20240276583Abstract: Embodiments of this application provide a communication method and apparatus. The method includes: A DU receives uplink data from a terminal device; the DU allocates a first cell radio network temporary identifier C-RNTI and a first DU interface identifier to the terminal device; the DU sends a first message to a central unit CU, where the first message includes the first C-RNTI and the first DU interface identifier; and the DU receives a second message from the CU, where the second message includes the first C-RNTI or the first DU interface identifier. The communication method and apparatus provided in embodiments of this application can reduce processing load of the DU and improve communication efficiency.Type: ApplicationFiled: April 22, 2024Publication date: August 15, 2024Inventors: Xiaoying XU, Yan WANG, Bin XU, Yinghao GUO
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Publication number: 20240259888Abstract: This application provides a data transmission method and a communication apparatus. The data transmission method includes: A terminal device receives first information from a first access network device, where the first information indicates the terminal device to be handed over and connected to a second access network device. The terminal device sends a first data packet to the second access network device after the terminal device successfully accesses the second access network device, where the first data packet is a data packet that has been sent by the terminal device to the first access network device before the terminal device successfully accesses the second access network device.Type: ApplicationFiled: April 11, 2024Publication date: August 1, 2024Inventors: Xiaoying XU, Chong LOU, Qiang FAN, Feng HAN
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Patent number: 12052727Abstract: A data transmission method and corresponding apparatus are provided. The method implemented by a terminal device includes: receiving indication information from a network device, where the indication information includes a bit sequence, a value of an ith bit in the bit sequence indicates a usage status of an ith logical channel in M logical channels associated with a radio bearer, and a duplication transmission function is configured for the radio bearer; transmitting data based on the indication information through at least one logical channel associated with the radio bearer. According to the application, the M logical channels are sorted based on IDs of cell groups associated with the M logical channels and IDs of the M logical channels, and the ith bit indicates the usage status of the ith logical channel, thereby enabling the terminal transmitting data via at least one logical channel associated with the radio bearer.Type: GrantFiled: September 29, 2021Date of Patent: July 30, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Qiang Fan, Xiaoying Xu, Chong Lou, Qufang Huang
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Patent number: 12047982Abstract: This application provides a communication method and a communications apparatus, to provide a solution for processing a conflict between uplink resources. The method includes: a terminal device obtains a first uplink resource, where the first uplink resource is used to send a first service. The terminal device obtains a second uplink resource, where the second uplink resource is used to send a second service, and the first uplink resource and the second uplink resource completely or partially overlap in a time domain. The terminal device determines a target uplink resource to be used in the time domain, where the target uplink resource is the first uplink resource or the second uplink resource. The terminal device sends data on the target uplink resource in the time domain.Type: GrantFiled: March 26, 2021Date of Patent: July 23, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Chong Lou, Xing Liu, Qufang Huang, Xiaoying Xu
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Patent number: 12041650Abstract: A communication method and apparatus is provided, to properly schedule retransmission of an uplink resource in a scenario in which uplink resources overlap in time domain. The method includes: determining, by a terminal, that a priority of a first uplink resource is higher than a priority of a second uplink resource in the first uplink resource and the second uplink resource that have an overlapping part in time domain; and when determining to send a signal by using the first uplink resource on the overlapping part, indicating, by the terminal to a network device, whether a MAC PDU is formed for the second uplink resource or whether data is stored in a corresponding buffer for the second uplink resource.Type: GrantFiled: September 29, 2021Date of Patent: July 16, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Qiang Fan, Chong Lou, Qufang Huang, Xiaoying Xu
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Publication number: 20240236765Abstract: A communication method includes generating, by an access network device, first information comprising an identifier of a first quality of service (QOS) flow and an uplink transmission indication. The first QoS flow is used to transmit a data packet of a first service. The first information is used to request to adjust a sending rate of an uplink data packet of the first service. The communication method also includes sending the first information to a first core network element.Type: ApplicationFiled: March 21, 2024Publication date: July 11, 2024Inventors: Xiaoying XU, Guohua ZHOU, Yuejun WEI
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Patent number: 12035324Abstract: This application provides a data sending method, a data sending apparatus, and a terminal device, to improve utilization of a configured grant resource. The method includes: A terminal device receives a configuration message from a network device. The configuration message is used to indicate a configured grant, and the configuration message includes information about a timer corresponding to the configured grant. The terminal device determines that the configured grant is used for a HARQ process, and starts the timer for the HARQ process. To-be-sent data in the HARQ process is data on a first logical channel. During running of the timer, when there is to-be-newly-transmitted data on a second logical channel, the timer stops running, or a running state of the timer is ignored. The data on the second logical channel is sent by using the configured grant.Type: GrantFiled: May 7, 2021Date of Patent: July 9, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Xiaoying Xu, Qufang Huang, Chong Lou, Qinghai Zeng, Tao Cai
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Patent number: 12035197Abstract: This application provides a communication method, a network device, and a terminal. The communication method includes: determining, by a first network device, at least one candidate target cell and first configuration information, where the first configuration information is used to trigger a terminal to determine one of the at least one candidate target cell as a to-be-handed-over-to cell; and sending, by the first network device, a first message to the terminal, where the first message includes first cell indication information and the first configuration information, and the first cell indication information is used to indicate the at least one candidate target cell.Type: GrantFiled: July 15, 2022Date of Patent: July 9, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Le Yan, Hongping Zhang, Qinghai Zeng, Min Xu, Wenjie Peng, Xiaoying Xu
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Publication number: 20240214867Abstract: Embodiments of this application provide a data transmission method and an apparatus. A first access network device receives first indication information from a core network device. The first indication information indicates that a first quality of service QoS flow of a first terminal device has an association relationship with a second QoS flow of a second terminal device. The first access network device schedules, based on the first indication information, data transmission of the first terminal device and the second terminal device.Type: ApplicationFiled: March 6, 2024Publication date: June 27, 2024Inventors: Qiang FAN, Xiaoying XU