Huawei Technologies Co., Limited

Tingting Geng

Qinghai Zeng

Nathan Edward Tenny

Hongping Zhang

Yedan Wu

Mingzeng Dai

Jing Liu

Yalin Liu

Xiaoxiao Zheng

Xiaoying Xu

Hongzhuo Zhang

Haiyan Luo

Yinghao Jin

Xiaoli Shi

Shunqing Zhang

Wei Zhang

Bingzhao Li

Yi Guo

Le Yan

Xingxing Hu

Huiming Sun

Yan Chen

Jun Chen

Chong Lou

Xueli Ma

Jinyao Liang

Jing Lan Chen

Feng Han

Wenjie Peng

Hao Bi

Rui Wang

Min Xu

Jing Chen

Chunhua You

Jialin Zou

Ahmad Shawky Muhanna

Shitong Yuan

Lili Zheng

Qiang Fan

Li Hu

Yang Yang

Sainan Li

Xudong Yang

Kin Nang Lau

Chenchen Yang

Kinnang Lau

Chungha Koh

Dawid Koziol

Shugong Xu

Esther Koh

A communication method, an apparatus, and a communications system. A terminal device receives first configuration information. In response to an RLF occurring in a source MCG or a source SCG of the terminal device, the terminal device sends a first message including information about a time period from the terminal device receiving the first configuration information to the radio link failure occurring in the source MCG or the source SCG, or information about a time period from the RLF occurring in the source MCG or the source SCG to the terminal device sending the first message. In this way, a network device exchanges proper and valid information between network devices based on the information reported by the terminal device, to optimize parameters.

Communication method, device, and apparatus

Embodiments of this application provide a cell reselection method and system, and an apparatus. The method includes: receiving reselection configuration information from a network device, where the reselection configuration information includes reselection trigger information, the reselection trigger information is used to trigger measurement for cell reselection, and the reselection trigger information includes reselection trigger time information or reselection trigger indication information; and performing measurement for cell reselection based on the reselection configuration information. In embodiments of this application, the reselection configuration information including the reselection trigger information is introduced.

Cell reselection method and system, and apparatus

This application discloses a data transmission method and a communication apparatus. The data transmission method includes: The access network device receives a first data packet from a first terminal device, where the first data packet is associated with a terminal group, the terminal group including the first terminal device. The access network device sends the first data packet to a first routing device for forwarding. The first routing device corresponds to the terminal group. The first routing device stores routing information of one or more respective terminal devices of the terminal group. The routing information is for forwarding the first data packet. Signaling overheads can be reduced by using embodiments of this application.

Data transmission method and communication apparatus

This application provides a configuration method and an apparatus, and relates to the field of communications technologies, so that in a scenario in which an SCG is deactivated, a network side can activate the SCG or a cell in the SCG by using a MAC CE. The method includes: A terminal receives a MAC CE from a first node, where the MAC CE is for activating or deactivating one or more cells in a cell group managed by a second node; and then the terminal activates or deactivates, based on the MAC CE, the one or more cells in the cell group managed by the second node.

Configuration method and apparatus

Embodiments of this application provide a communication method and apparatus. The method includes: A terminal receives first application layer measurement configuration information from a first base station; performs quality of experience QoE measurement based on the first application layer measurement configuration information; receives a first message from a second base station, where the first message indicates whether to retain the first application layer measurement configuration information; and continues to perform QoE measurement when the first message indicates to retain the first application layer measurement configuration information; and/or releases the first application layer measurement configuration information when the first message indicates to not retain the first application layer measurement configuration information. This can reduce overheads, for example, signaling overheads or storage overheads, of application layer measurement configuration, or improve accuracy of an application layer measurement result for a specific service.

Communication method and apparatus, readable storage medium, and system

A communication method and apparatus are provided, where the method includes: A first network device generates and sends a paging message to a second network device. The paging message is used to page a terminal device, the paging message includes first indication information, and the first indication information indicates that a paging range includes a non-terrestrial network NTN cell and/or a terrestrial network TN cell. By applying the foregoing technical solution, the network device may determine an appropriate paging area based on a type of the terminal device or capability information of the terminal device, to avoid sending the paging message in an area that is not supported by the terminal device, so that overheads of paging signaling are effectively reduced.

Communication method and apparatus

This application provides a communication method and a corresponding apparatus and system. The method includes: receiving, in a first network, a paging message that is from a first network device and that is used to page a first terminal device, where the paging message includes first information, and a network type of the first network is a first network type; and determining, based on the first information, a second network associated with the paging message that is used to page the first terminal device, where a network type of the second network is a second network type. The first network type is a non-public network and the second network type is a public network, or the first network type is a public network and the second network type is a non-public network. Cross-network paging between networks of different network types can be supported.

Communication method, communications apparatus, and communications system

This application provides a non-terrestrial network (NTN) communication method and an apparatus. When performing a delay-sensitive communication service, UE may select a cell covered by a satellite since the UE cannot distinguish between a cell covered by a terrestrial base station and the cell covered by the satellite. A first network device determines cell type information of a cell covered by a second network device, where the cell type information indicates that the cell is a terrestrial network communication cell or a non-terrestrial network communication cell; and the first network device sends the cell type information to a third network device.

Non-terrestrial network communication method and apparatus

In a multiple connectivity mobility scenario, a terminal device records information related to a secondary network device (SN) mobility process to generate a mobility report, and sends the mobility report to a network device. The network device determines, based on the content in the mobility report, whether a mobility parameter related to the SN mobility needs to be adjusted. If the mobility parameter needs to be adjusted, the network device performs proper adjustment, thereby improving the robustness of the terminal device's secondary network device mobility.

Communication method and communication apparatus

A communication method for a dual connectivity system and a communication apparatus are disclosed, to support relaxing radio resource management (RRM) measurement. The method includes: A first network device determines that a terminal device is to deactivate a secondary cell group (SCG) of the terminal device; the first network device sends first information to the terminal device, where the first information indicates the terminal device to deactivate the secondary cell group SCG of the terminal device, to enable the terminal device to relax SCG RRM measurement after deactivating the SCG; and the terminal device relaxes the SCG RRM measurement after deactivating the SCG based on the first information. The first network device is a master node or a secondary station of the terminal device. In this way, when the SCG is deactivated, relaxing the SCG RRM measurement can be supported.

Communication method for dual connectivity system and communication apparatus

Embodiments of this application provide an information transmission method, an apparatus, and a system. A first network device sends, to a terminal device, conditional handover configuration information that includes information about candidate cells and a handover trigger condition; after receiving the conditional handover configuration information and performing a conditional handover, the terminal device sends, to a second network device, a first failure cause value corresponding to a candidate target cell and/or a second failure cause value corresponding to a to-be-determined cell during the conditional handover; and the second network device receives the first failure cause value and/or the second failure cause value from the terminal device, and sends the first failure cause value and/or the second failure cause value to the first network device.

Information transmission method and apparatus

A report transmission method includes determining a quantity of target reports and, in response to the quantity of target reports being greater than or equal to a first quantity, sending a first report to a first network device. The first report includes one or more target reports. A type of the target report is a first type that includes one or more of an advance measurement report, a logged minimization of drive tests report, an accessibility failure report, a random access report, a radio link failure report, a mobility history report, or a radio link failure-like report. The radio link failure-like report is for logging a first event and/or a second event. The first event is when a quantity of data retransmissions of a terminal device is greater than or equal to a first preset quantity of times and less than a second preset quantity of times.

Report transmission method, apparatus, and system

A communication method and an apparatus, to determine a terminal that is to execute an artificial intelligence (artificial intelligence, AI) task, so that execution of the AI task is more targeted, and an execution result is more accurate. The method includes receiving first information from an AI apparatus, where the first information indicates information about a first terminal capable of executing a first AI task; receiving information from a second terminal; and determining, based on the first information and the information about the second terminal, whether the second terminal is configured to perform the first AI task.

The present disclosure provides example communication methods and communication apparatuses. One example communication method includes determining a failure report by a terminal device, where the failure report includes information about a cell in a secondary cell group (SCG) in which master cell group (MCG) connection recovery is attempted when the terminal device detects that a connection failure occurs in an MCG. The failure report is sent by the terminal device to a first access network device.

Communication method and communication apparatus for handling failures

This application provides a handover method and apparatus. The handover method includes: A terminal device sends path information used to determine a first cell to a network device; and the terminal device receives conditional handover CHO configuration information that is corresponding to the first cell and that is sent by the network device, and determines a target cell based on the CHO configuration information corresponding to the first cell. According to the technical solutions provided in this application, a handover success rate can be improved when the terminal device performs cell handover.

Handover method and apparatus

Growing community of inventors

Shanghai, China

Tingting Geng