Patents by Inventor Erkai Chen
Erkai Chen 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: 20240348394Abstract: This application provides a reference signal RS transmission method and apparatus. The method includes: receiving configuration information from a network device. An RS is sent on an RS resource configured based on the configuration information. The RS resource is included in a plurality of RS resource groups, where an RS resource group i in the plurality of RS resource groups includes K first RS resources configured based on the configuration information, transmission moments of the K first RS resources are successively Ti,1, Ti,2, . . . , Ti,K, an RS resource group (i+1) in the plurality of RS resource groups includes K second RS resources configured based on the configuration information, and transmission moments of the K second RS resources are successively Ti+1,1, Ti+1,2, . . . , Ti+1,K, and satisfy: Ti,m+1?Ti,m=Pm, Ti+1,m+1?Ti+1,m=Pm, and Ti+1,k?Ti,k=Qi.Type: ApplicationFiled: June 25, 2024Publication date: October 17, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Weichao CHEN, Yi QIN, Shengyue DOU, Erkai CHEN, Youlong CAO, Rui XU
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Publication number: 20240349087Abstract: A buffer status report sending method and a communication apparatus are provided. The buffer status report sending method includes: receiving a first configuration message from an access network device, where the first configuration message is used to configure a one-to-one correspondence between a plurality of buffer status BS intervals and a plurality of index values; and sending a buffer status report BSR to the access network device based on the correspondence, where the BSR includes a target index value, and the plurality of index values include the target index value. According to the BSR sending method, a terminal may send the BSR to the access network device based on the correspondence that is between the BS interval and the index value and that is configured by the access network device for the terminal, to request a transmission resource that better meets an actual requirement of the terminal.Type: ApplicationFiled: June 25, 2024Publication date: October 17, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Youlong Cao, Erkai Chen, Shuri Liao, Rui Xu, Shengyue Dou
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Publication number: 20240334439Abstract: A data transmission method and an apparatus are provided. In the provided method and apparatus, a terminal can properly discard a part of to-be-transmitted data and notify a base station, to improve resource utilization in a transmission process of XR data.Type: ApplicationFiled: June 13, 2024Publication date: October 3, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Erkai Chen, Xiang Mi, Shuri Liao, Youlong Cao, Shengyue Dou
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Publication number: 20240323997Abstract: A data transmission method and a data transmission apparatus are provided, to help reduce a transmission delay of a service frame. The method includes: A terminal sends first indication information to a network device. The first indication information indicates a statistical parameter of a delay jitter of an arrival time of a service frame. The statistical parameter of the delay jitter is for determining a CG resource. The network device sends second indication information to the terminal. The second indication information indicates the CG resource. The CG resource is determined based on the first indication information. The terminal and the network device communicate the service frame based on the CG resource.Type: ApplicationFiled: June 5, 2024Publication date: September 26, 2024Inventors: Rui Xu, Shuri Liao, Erkai Chen, Youlong Cao, Weichao Chen, Shengyue Dou
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Publication number: 20240323761Abstract: A communication method and apparatus resolve invalid communication in a packet loss scenario of an XR service, so that device power consumption is reduced, and communication resources are saved. A first communication device obtains information about a data unit to which a data packet belongs, where the data unit includes one or more data packets. The first communication device discards a data packet that is being transmitted and a data packet that is not transmitted that are in the data unit. The first communication device sends indication information to a second communication device, where the indication information includes the information about the data unit.Type: ApplicationFiled: May 22, 2024Publication date: September 26, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Shuri LIAO, Erkai CHEN, Youlong CAO, Rui XU, Shengyue DOU
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Publication number: 20240314637Abstract: A data transmission method and a communication apparatus are provided. The method includes: receiving a first identifier from a core network element, where the first identifier indicates that a first quality of service QoS data flow and a second QoS data flow belong to a first data unit; based on the first identifier and a first synchronization time parameter, mapping the first QoS data flow and the second QoS data flow respectively to a first access network resource and a second access network resource and sending the first QoS data flow and the second QoS data flow to a terminal device, where the first synchronization time parameter indicates a maximum interval between a moment at which sending of the first QoS data flow is completed and a moment at which sending of the second QoS data flow is completed.Type: ApplicationFiled: May 22, 2024Publication date: September 19, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Rui Xu, Shuri Liao, Erkai Chen, Youlong Cao, Shengyue Dou
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Publication number: 20240314188Abstract: This application provides a data transmission method and apparatus. The method includes: receiving a first data packet and a first neural network data packet, where the first neural network data packet is used to carry neural network parameter information, the neural network parameter information is used to process data of a first video frame data packet, the first data packet includes first identification information, the first neural network data packet includes second identification information, and the first identification information and the second identification information each indicate a correspondence between the first data packet and the first neural network data packet; and sending the first data packet and the first neural network data packet based on the first identification information and the second identification information.Type: ApplicationFiled: May 23, 2024Publication date: September 19, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Youlong Cao, Shuri Liao, Erkai Chen, Shengyue Dou, Guohua Zhou, Shaobo Wang
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Publication number: 20240283745Abstract: A delay budget determining method and apparatus are provided. A communication device first determines a transmission delay of a first data packet from a server to a communication device, and then determines a delay budget of the first data packet from the communication device to a terminal device based on the transmission delay and an end-to-end packet delay budget. The delay budget of the first data packet from the communication device to the terminal device is determined based on the transmission delay of the first data packet from the server to the communication device. Therefore, even for an end-to-end delay-sensitive service, a transmission delay of a data packet of the end-to-end delay-sensitive service can also be ensured.Type: ApplicationFiled: April 2, 2024Publication date: August 22, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Weichao CHEN, Shengyue DOU, Shuri LIAO, Youlong CAO, Erkai CHEN, Rui XU
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Publication number: 20240276493Abstract: In the field of communication technologies, a physical downlink control channel (PDCCH) monitoring method and apparatus can be provided to reduce power consumption of a terminal device. The method includes: receiving configuration information from a network device; and monitoring a PDCCH in M1 first time windows in N1 first time windows of a first time period based on the configuration information, where the first time period is a discontinuous reception DRX duration period, N1 is an integer greater than or equal to 2, and M1 is a positive integer less than N1.Type: ApplicationFiled: April 10, 2024Publication date: August 15, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Youlong CAO, Erkai CHEN, Shuri LIAO, Rui XU, Shengyue DOU
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Publication number: 20240215036Abstract: A data transmission method and an apparatus are provided. In the method, a terminal receives configured grant (CG) information from a network device; obtains a configured quantity N of transport blocks (TBs) in a CG periodicity based on the CG information, where the configured quantity N of TBs is a maximum quantity of TBs transmittable in the CG periodicity, and N is an integer greater than 0; and sends, to the network device in the CG periodicity, uplink data corresponding to M TB, where Mis an integer greater than 0 and less than or equal to N. According to the method, complete transmission of an extended reality (XR) video frame can be completed in the CG periodicity, thereby improving user experience of receiving an XR service.Type: ApplicationFiled: March 8, 2024Publication date: June 27, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Erkai Chen, Shuri Liao, Youlong Cao, Rui Xu, Shengyue Dou
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Publication number: 20240188071Abstract: A resource configuration method and a communication apparatus are provided, so that an SPS/CG period can better match an XR service that arrives periodically based on a frame rate, thereby effectively reducing a transmission delay of the XR service and improving system performance. The method includes the following steps: a network device sends first CG configuration information to a terminal. Correspondingly, the terminal receives the configuration information, and obtains first period duration M1 of a first CG period and a quantity X of CGs in the first CG period based on the information, where M1 is greater than zero, and X is an integer greater than zero.Type: ApplicationFiled: February 2, 2024Publication date: June 6, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Shuri LIAO, Erkai CHEN, Youlong CAO, Rui XU, Shengyue DOU
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Publication number: 20240187703Abstract: A data transmission method and a communication apparatus are provided. The method includes: A network device sends first information to a terminal. The terminal receives the first information, and determines an evaluation mode of user experience based on the first information. The terminal sends second information to the network device. The network device receives the second information, and communicates with the terminal based on the second information. The first information is used to configure the evaluation mode of user experience, the evaluation mode of user experience is one of a plurality of evaluation modes of user experience, the evaluation mode of user experience is used to evaluate impact of network transmission on user experience, and the second information includes information about the impact of the network transmission on user experience.Type: ApplicationFiled: December 19, 2023Publication date: June 6, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Youlong Cao, Shuri Liao, Erkai Chen, Rui Xu, Shengyue Dou
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Publication number: 20240172322Abstract: A method and an apparatus are provided. In the method, first discontinuous reception DRX configuration information is obtained; first cycle duration T1 of a first DRX cycle, a quantity N1 of first on-duration periods in the first DRX cycle, and duration of the first on-duration period are obtained based on the first DRX configuration information, where T1>0 and N1>0; and a physical downlink control channel PDCCH is monitored in one or more first on-duration periods in the first DRX cycle based on the first cycle duration T1, the quantity N1 of first on-duration periods, and the duration of the first on-duration period. According to the method, an on-duration period in a DRX cycle can match an arrival cycle of data.Type: ApplicationFiled: February 2, 2024Publication date: May 23, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Erkai CHEN, Shuri LIAO, Shengyue DOU, Shulan FENG, Lixia XUE
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Publication number: 20240106569Abstract: This application provides a data transmission method and an apparatus that are used for extended reality (XR) technologies. In a data transmission method disclosed herein, different parts of to-be-transmitted data are segmented into different code blocks (CBs), to mitigate impact of a transmission failure of one part of the to-be-transmitted data on another part of the to-be-transmitted data, thereby improving overall user experience in data reception. In this way, transmissions of low priority data and high priority data may be separated to avoid performance degradation caused by the low priority data on the high-priority data.Type: ApplicationFiled: November 2, 2023Publication date: March 28, 2024Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Rui XU, Shuri LIAO, Erkai CHEN, Youlong CAO, Shengyue DOU
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Publication number: 20230422087Abstract: This application provides a communication method and an apparatus, to help improve transmission efficiency of an uplink XR service. The method includes: A terminal device sends, to a core network device, a first identifier indicating a transmission requirement. Then, the terminal device obtains, based on a first parameter sent by the core network device, a quality of service flow that meets the transmission requirement, and sends a plurality of pieces of first information to an access network device based on the quality of service flow. Each piece of first information includes a second identifier. The second identifier includes marking information of a data unit to which the first information belongs. This method helps a plurality of pieces of first information that belong to a same data unit be considered as a whole for transmission, to improve the transmission efficiency of the uplink XR service.Type: ApplicationFiled: September 8, 2023Publication date: December 28, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Erkai CHEN, Shuri LIAO, Youlong CAO, Shengyue DOU
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Publication number: 20230413121Abstract: In an uplink transmission method for extended reality (XR) services, user equipment (UE) notifies a base station that a data flow of a current service has an uplink integrity transmission requirement. The base station maps a QoS flow having the uplink integrity transmission requirement to a corresponding radio bearer, and notifies the UE of the corresponding radio bearer through a signaling configuration. The UE then reports, through a MAC CE, a data amount of the service flow having the integrity transmission requirement.Type: ApplicationFiled: September 4, 2023Publication date: December 21, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Erkai Chen, Shuri Liao, Youlong Cao, Shengyue Dou, Xiaoying Xu
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Publication number: 20230388862Abstract: This application provides a transmission parameter adjustment method and a communication apparatus. The transmission parameter adjustment method includes: increasing a downlink transmission bandwidth of a service from a first downlink transmission bandwidth to a second downlink transmission bandwidth, where the second downlink transmission bandwidth is less than or equal to a target downlink transmission bandwidth, and the target downlink transmission bandwidth is a smaller value between a maximum downlink bandwidth supported by a system and a maximum downlink bandwidth supported by a terminal device; reducing a downlink delay budget of the service from a first downlink delay budget to a second downlink delay budget based on the second downlink transmission bandwidth; and increasing an uplink delay budget of the service from a first uplink delay budget to a second uplink delay budget based on the second downlink delay budget.Type: ApplicationFiled: August 14, 2023Publication date: November 30, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Erkai Chen, Kedi Wu, Shengyue Dou
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Publication number: 20230379745Abstract: This disclosure provides a configuration method and apparatus. The method may include: receiving a first cycle from a core network element and a second cycle from a terminal, where the first cycle is an initial service cycle or a first traffic shaping service cycle, and the second cycle is a service cycle expected by the terminal; configuring a discontinuous reception DRX cycle for the terminal based on the first cycle and the second cycle; and obtaining first information, and sending sleep indication information to the terminal based on the first information. In this application, an access network device obtains cycle information of a service and the first information, to configure the DRX cycle that can match the service and the sleep indication information that can enable the terminal to enter a sleep state in time.Type: ApplicationFiled: July 31, 2023Publication date: November 23, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Erkai Chen, Shuri Liao, Youlong Cao, Shengyue Dou
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Publication number: 20230362979Abstract: This application provides a data transmission method and an apparatus, which provide integrity transmission for extended reality data transmission. In the method, integrity transmission is performed on data or information having a synchronization requirement or having a dependency relationship, to satisfy the requirement of synchronization between the data or information, thereby improving user experience of XR services.Type: ApplicationFiled: July 18, 2023Publication date: November 9, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Shuri Liao, Youlong Cao, Erkai Chen, Shengyue Dou
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Publication number: 20230353806Abstract: This disclosure provides a scheduling transmission method and an apparatus. According to the method, a scheduling priority of a terminal is determined based on an instantaneous rate of the terminal and a service type of a first service of the terminal, and the first service is transmitted with the terminal based on the scheduling priority of the terminal. The instantaneous rate of the terminal is positively correlated with the scheduling priority of the terminal, and a target video frame correct ratio of the first service is greater than a first threshold. The solutions of this application can be widely used in the fields of communication technologies, artificial intelligence, Internet of vehicles, Internet of smart home, and the like.Type: ApplicationFiled: July 10, 2023Publication date: November 2, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Youlong Cao, Shuri Liao, Erkai Chen, Shengyue Dou