Huawei Technologies Co., Limited

Tencent Technology (shenzhen) Company Limited

Arm Limited

Future Wei Technologies, Inc.

Zte Corporation

Li Hu

He Li

Jing Lan Chen

Rong Wu

Jing Chen

Kai Pan

Longhua Guo

Qinghai Zeng

Bingzhao Li

Xiaoying Xu

Jing Liu

Weisheng Jin

Yinghui Yu

Nathan Edward Tenny

Mingzeng Dai

Qufang Huang

Xiaobo Wu

Yong Qing Wang

Tingting Geng

Yang Xin

Chao Chen

Hao Bi

Yizhuang Wu

Weiwei Chong

Ahmad Shawky Muhanna

Chao Xi Chen

Zhenglei Huang

Huan Li

Hualin Zhu

Yinghao Jin

Wei Lu

Haoren Zhu

Maochang Dang

Xuwen Zhao

Shikun Li

Zhongli Zhang

Zhengyang Zeng

Yanqiu Wu

Yong Wang

Xinghua Li

Huan Lu

This application provides a communication method and apparatus. The method includes: a terminal sending first network information of a second network to a first network, where the first network information includes first indication information of the second network, and the first indication information indicating that the terminal requests to access the second network. The terminal performs onboarding delivery authentication of the second network through the first network. After onboarding delivery authentication of the second network succeeds, the terminal receives configuration information of the first network through the first network, and obtains a credential of the second network through the first network from an online sign-up server in the second network.

Communication method and apparatus

A link re-establishment method, an apparatus, and a system are described. The method includes: obtaining, by user equipment UE, a MAC of the UE based on a NAS integrity key and a first MAC generation parameter, where the first MAC generation parameter includes an identifier of the UE; sending, by the UE, a re-establishment request message to a target RAN, where the re-establishment request message includes the MAC and the first MAC generation parameter; and receiving, by the UE, a re-establishment response message of the target RAN. The UE triggers, by sending the re-establishment request message, a CP functional entity to perform authentication on the UE. The method and apparatus of the present disclosure address a problem that an excessively long time is consumed to re-establish a connection to a target RAN by using an RAU procedure, increases a speed of re-establishing a connection between UE and a network, and improves user experience.

Link re-establishment method, apparatus, and system

A method for protecting a truncated parameter includes that a mobility management network element determines whether a terminal that accesses a network meets a preset condition, where the preset condition includes that the terminal uses a control plane cellular Internet of things (CIoT) 5th generation system (5GS) optimization function. The mobility management network element sends, to the terminal when the terminal meets the preset condition, a downlink non-access stratum (NAS) message on which NAS security protection is performed using a NAS security context, where the downlink NAS message includes a truncated parameter.

Method for protecting truncated parameter and apparatus

This application provides example methods and apparatuses for determining class information. One example method includes sending, by a security detection function network element, a subscription data collection event to a mobility management network element, where the subscription data collection event includes a collection range and a reporting condition. The security detection function network element can then receive a data collection service response message from the mobility management network element, where the data collection service response message includes first class information and first traffic data corresponding to the first class information, and where the first traffic data meets the reporting condition. The security detection function network element can then determine abnormal class information based on the first traffic data. The security detection function network element can then send the abnormal class information to a policy control network element.

Method for determining class information and apparatus

This application provides security activation methods and communication apparatuses. In an example method, a first access network device in a first communication standard requests a second access network device in a second communication standard to allocate a resource for dual connectivity of a terminal device, and sends, to the second access network device, a user plane security policy. The first access network device further receives identification information of a bearer and a security activation status from the second access network device and sends the identification information of the bearer and the security activation status to the terminal device.

Security activation method and communication apparatus

A method comprising a set of discrete rendering tasks having an initial task order to be executed by a graphics processing unit, a GPU, detecting a dependency between a dependency group of two or more rendering tasks, a dependency being that one or more rendering tasks of the dependency group earlier in the initial task order depend upon an execution result of one or more rendering tasks of the dependency group later in the initial task order; ordering the set of rendering tasks, in the ordered set of rendering tasks, a dependency group of rendering tasks is ordered such that rendering tasks of a dependency group which depend upon one or more other tasks of the dependency group are ordered after the one or more other tasks upon which those rendering tasks depend; and issuing the ordered set of rendering tasks to the GPU for execution.

Apparatus and method

A communication method and apparatus are provided, to implement automatic onboarding when no network-side information is configured on a terminal device. The method includes: The terminal device obtains auxiliary authentication information that includes identification information of one or more networks; determines access information of a first network based on first temporary authentication information and identification information of the first network, where the first network is any one of the one or more networks; triggers mutual temporary authentication with the first network based on the access information of the first network; and receives configuration information of the first network from the first network when the mutual temporary authentication succeeds. The terminal device may trigger the mutual temporary authentication with the first network based on the access information of the first network.

Communication method, apparatus, and system for automatic onboarding of a terminal device

A subscription information processing method and apparatus, and a device. The method includes: An access control device obtains authorization information from a target network device, where the authorization information includes an identifier of a first terminal and authorization operation indication information for subscription information of the first terminal; the access control device obtains a subscription information processing request from a second terminal, where the subscription information processing request includes an identifier of the second terminal; and the access control device processes subscription information corresponding to the identifier of the second terminal based on the authorization operation indication information in response to the identifier of the first terminal matching the identifier of the second terminal.

Subscription information processing method and apparatus, and device

Embodiments of this application relate to the field of communication technologies, and provide a data transmission method and an apparatus, to ensure security of radio capability information of a terminal in a transmission process. The method includes: A terminal performs NAS security protection on radio capability information based on a NAS security context before establishing an AS security context; then the terminal sends the NAS-security-protected radio capability information to a mobility management network element; and after receiving the NAS-security-protected radio capability information, the mobility management network element performs security deprotection on the NAS-security-protected radio capability information, to obtain and store the radio capability information of the terminal. In this way, in a scenario in which an access network device requires the radio capability information of the terminal, the mobility management network element may send the radio capability information to the access network device.

Data transmission method and apparatus

Embodiments of this application provide a terminal information processing method for determining exception information of a terminal. The method includes: obtaining, by a data analytics network element, data of a first terminal on an application function network element, where the data includes exception information of the first terminal; obtaining, by the data analytics network element, first terminal information of the first terminal on one or more network elements; and determining, by the data analytics network element, exception information of a second terminal based on the exception information of the first terminal and the first terminal information.

Terminal information processing method and apparatus, and system

This application provides a congestion control method and an apparatus. According to the method, a control node may determine that a data processing node is in a congested state, where the data processing node is configured to process data sent by a terminal apparatus. The control node may send a first message to a first terminal apparatus corresponding to a terminal apparatus identifier in a list stored in the control node. The first terminal apparatus identifier in the list is of the first terminal apparatus in a first terminal apparatus abnormal state. The first terminal apparatus identifier is received by the control node. The first message indicates to release a user plane connection, and the user plane connection is used to transmit data of the first terminal apparatus.

Congestion control method and apparatus

A communications method includes: an integrated access and backhaul (IAB) node receives an uplink data packet from a terminal; the IAB node determines a packet data convergence protocol (PDCP) layer security status of the uplink data packet; the IAB node determines a target secure tunnel from a plurality of secure tunnels between the IAB node and an IAB donor based on the PDCP layer security status of the uplink data packet; and the IAB node sends the uplink data packet to the IAB donor through the target secure tunnel. This application is applicable to a data transmission process.

Communications method and apparatus to reduce a data transmission latency between an IAB node and IAB donor

When triggering a handover request, a source network device requests a measurement indication from a target access network device using the handover request, where the measurement indication indicates the terminal device to measure a channel state of a target cell. In this way, the source network device sends the measurement indication to the terminal device using an RRC reconfiguration message. Then, the terminal device measures the specified channel state of the target cell based on the measurement indication, to obtain a measurement result, and then determines, depending on whether the measurement result meets a handover condition, whether to perform cell handover.

Cell handover method, communication apparatus, and system

A user plane integrity protection method sending, by a user equipment (UE), user plane integrity protection information of the UE to a first base station, wherein the user plane integrity protection information indicates whether the UE supports a user plane integrity protection, and enabling the user plane integrity protection according to a user plane integrity protection algorithm when the UE supports the user plane integrity protection.

User plane integrity protection method and apparatus, and device

A link re-establishment method, an apparatus, and a system are provided. The method includes: obtaining, by user equipment (UE), a MAC of the UE based on a NAS integrity key and a first MAC generation parameter, where the first MAC generation parameter includes an identifier of the UE; sending, by the UE, a re-establishment request message to a target RAN, where the re-establishment request message includes the MAC and the first MAC generation parameter; and receiving, by the UE, a re-establishment response message of the target RAN. The UE triggers, by sending the re-establishment request message, a CP functional entity to perform authentication on the UE. This resolves a prior-art problem that an excessively long time is consumed to re-establish a connection to a target RAN by using an RAU procedure, increases a speed of re-establishing a connection between UE and a network, and improves user experience.

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Shanghai, China

Li Hu