Huawei Technologies Co., Limited

Haiyang Sun

Chunshan Xiong

Yizhuang Wu

Yan Li

Fangyuan Zhu

Anni Wei

Yanmei Yang

Zhenglei Huang

Ruizhi Liu

Hui Ni

Wanqiang Zhang

Manli Sun

Meng Li

Yongcui Li

Shiyong Tan

Fang Yu

Wei Liu

Bo Wang

Zheng Zhou

Huan Yan

Shengfeng Xu

Lanping Gong

Yaxin Wang

Xufeng Chen

Qiaoming Zhang

A method for providing a restricted service and a communications device, where the method includes: receiving, by a policy control function (PCF), an identifier of a terminal and indication information, where the indication information is used to indicate that the terminal is in a state of exception or indicate an exception type of the terminal; and sending, by the PCF, the identifier of the terminal and a first restricted service policy according to the indication information, where the first restricted service policy is used to provide a restricted service for the terminal.

Method for providing restricted service, and communications device

Embodiments of this application provide an uplink PDR generation method, an apparatus, and a system, to resolve a problem in a conventional technology that an uplink data packet may be discarded because a PCF network element may not include uplink SDF information when generating a PCC rule including an RQC indication. The method includes: A session management network element receives a first policy and charging control PCC rule from a policy control network element, where the first PCC rule includes downlink service data flow SDF information that corresponds to a first service. When the first PCC rule includes a reflective quality of service control RQC indication, the session management network element generates, according to the first PCC rule, a first uplink PDR that corresponds to the first service. The session management network element sends, to a user plane network element, the first uplink PDR that corresponds to the first service.

Uplink PDR generation method, apparatus, and system

A resource information sending method includes determining, by a first network element, a remaining resource of a terminal in a first network, and sending, by the first network element to a first policy control network element, information indicating the remaining resource of the terminal in the first network. The first network is at least one of a first data network or a first network slice. The remaining resource is a subscribed resource currently available to the terminal in the first network. The first policy control network element is a policy control network element configured to provide a service for the terminal in the first network.

Resource information sending method, first network element and system

In a communication method, the method includes: receiving a first AMBR of a slice, where the first AMBR indicates a quantity of GBR resources and a quantity of non-GBR resources in the slice, and the first AMBR is a subscribed slice AMBR or an authorized slice AMBR; determining a second AMBR of the slice based on the first AMBR, a session-AMBR of an activated PDU session of the slice, and a flow control bit rate of a QoS flow of the activated PDU session of the slice, where the flow control bit rate is a GFBR or an MFBR; and performing traffic control on the slice based on the second AMBR. The AMBR of the slice may indicate a quantity of GBR resources and a quantity of non-GBR resources in the slice.

Communication method, apparatus, and system

Embodiments of this application provide a communication method, device, and system. The method includes: A terminal device receives first information from a network device, where the first information includes identification information of a first network slice and information about a first radio resource for accessing the first network slice. The terminal device accesses the first network slice based on the first information by using the first radio resource. According to this method, a success rate of accessing a slice can be improved, so that user experience is improved.

A communication method and a communication apparatus. A session management function receives indication information from a policy control function, where the indication information indicates the session management function to send an identifier of a user plane function to the policy control function, and the user plane function is configured to transmit data of a first service. The session management function sends the identifier of the user plane function to the policy control function based on the indication information. The identifier of the user plane function is sent to the policy control function via the session management function, so that the policy control function is able to obtain the identifier of the user plane function to implement information exposure of the user plane function.

Communication method and apparatus

In an embodiment a method includes receiving, by a policy control network element, first information from a first network element, wherein the first information comprises a group identifier and a data type corresponding to the group identifier, the group identifier indicating a group and the group comprising one or more terminal devices, and obtaining, by the policy control network element, first data based on the first information, wherein the first data is data corresponding to the data type.

Communication method, device, and system for obtaining data corresponding to a group to which a terminal device belongs

Embodiments of this application disclose a method for managing QoS, a relay terminal, a PCF network element, an SMF network element, and a remote terminal. The method includes: A relay terminal obtains QoS information from a network device, where the QoS information includes first QoS information and/or second QoS information, the first QoS information is used to transmit data of a remote terminal between the remote terminal and the relay terminal, and the second QoS information is used to transmit the data of the remote terminal between the relay terminal and a UPF network element; and the relay terminal sends the first QoS information to the remote terminal based on the QoS information. According to embodiments of this application, QoS from the remote terminal to a network side can be properly managed, and a requirement on service transmission from the remote terminal to the network side is ensured.

Method for managing QoS, relay terminal, PCF network element, SMF network element, and remote terminal

A communication method includes obtaining, by a policy control network element, an application identifier. The communication method further includes determining, by the policy control network element, a first application descriptor based on the application identifier. The communication method further includes sending, by the policy control network element, the first application descriptor to a session management network element. The first application descriptor is useable for generating an access traffic steering, switching, and splitting (ATSSS) rule. The ATSSS rule includes the first application descriptor.

In a communication method, a first access network device sends first information to a second access network device, where the first information is used to indicate that the first access network device has notified a core network device that a quality of service requirement of at least one quality of service flow cannot be met; the second access network device may send second information to the core network device, where the second information is used to notify the core network device that a quality of service requirement of a first quality of service flow in the at least one quality of service flow can be met, and the first quality of service flow is a quality of service flow that has been handed over from the first access network device to the second access network device.

Communication method and communications apparatus

Disclosed is an AMBR control method, device, and system, so that a quality of service (QoS) control mechanism can be used to control use of resources in a network slice by a terminal device. The method includes: a mobility management network element obtaining M pieces of single network slice selection assistance information (S-NSSAI) corresponding to a terminal device and a first slice-AMBR corresponding to each piece of S-NSSAI in the M pieces of S-NSSAI; and sending the M pieces of S-NSSAI and the first slice-AMBR corresponding to each piece of S-NSSAI to an access network device, where the first slice-AMBR corresponding to each piece of S-NSSAI is used to determine a second slice-AMBR corresponding to the S-NSSAI, and the second slice-AMBR corresponding to each piece of S-NSSAI is used to control an aggregate bit rate of non-guaranteed bit rate non-GBR QoS flows in a network slice indicated by the S-NSSAI.

AMBR control method, device, and system

This application discloses a multicast session establishment method and a network device, and relates to the field of wireless communication technologies, to implement establishment of a multicast session based on a network architecture that has been deployed by an operator. In one example, when the multicast session is established, policy control, for example, quality of service QoS control, of the multicast session may be completed via a policy control network element or a session management network element in the network architecture that has been deployed by the operator.

Multicast session establishment method and network device

A policy control function network element selection method, an apparatus, a system, and a storage medium, where a first access and mobility management function network element is configured to: receive a registration request message of the terminal device; obtain, based on an identifier of the terminal device in the registration request message, an identifier of a policy control function network element currently serving the terminal device and a network identifier of the policy control function network element; and when a network identifier of the first access and mobility management function network element is consistent with the network identifier of the policy control function network element, determine that the policy control function network element is a target policy control function network element.

Policy control function network element selection method, apparatus, system, and storage medium

This application provides methods, devices, and systems. In an example method performed by a session management network element, the session management network element receives a first policy and charging control (PCC) rule from a policy control network element, wherein the first PCC rule comprises indication information, and the indication information indicates that a service corresponding to the first PCC rule is a time sensitive service. The session management network element binds the first PCC rule to a quality of service (QoS) flow, wherein no other PCC rule is bound to the QoS flow.

Charging rule binding method, device, and system

The present disclosure relates to quality of service (QoS) information notification methods, devices, and systems. In one example method, a user plane network element obtains a first QoS notification, where the first QoS notification includes first QoS information used to indicate QoS of a target service. The user plane network element sends first indication information to an application network element to which a QoS notification needs to be reported, where the first indication information is used to indicate a second QoS notification, the second QoS notification includes second QoS information of the target service, and the first QoS notification is the same as the second QoS notification, or the second QoS notification is determined based on the first QoS notification.

Growing community of inventors

Beijing, China

Haiyang Sun