Huawei Technologies Co., Limited

Huawei Technologies,co., Ltd.

Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Shenzhen Umione Technology Co., Ltd.

Hongping Zhang

Qinghai Zeng

Tingting Geng

Le Yan

Mingzeng Dai

Yi Guo

Qufang Huang

Jian Zhang

Jing Liu

Wenjie Peng

Yan Wang

Liangliang Zhang

Wei Quan

Chunhua You

Xiaoli Shi

Bingzhao Li

Qiang Wu

Xiaodong Yang

Xiaoying Xu

Jun Chen

Yalin Liu

Yinghao Jin

Min Xu

Hua Xu

Liqing Zhang

Xing Liu

Fan Wang

Liang Xia

Feng Han

Rui Wang

Xingxing Hu

Lili Zheng

Lifeng Han

Huiming Sun

Su Huang

Wenji Liu

Tao Zhong

Yinghao Guo

Xiongfei Chen

Yilei Qin

Dong Lei

Min Huang

Haiyan Luo

Yang Zhao

Jinhua Miao

Jialin Zou

Yiru Kuang

Bo Xu

Weiwei Song

Usa Vilaipornsawai

Shitong Yuan

Li Zhao

Zheng Zhou

Xun Tang

Yanglai Shuai

Yingjie Yu

Tingting Wang

Jingxin Wei

Junhui Zhao

Fei Tang

Jia Liu

Yuhong Chu

Xuehua Wang

Shuangqi Wu

A communication method and apparatus, the method including performing, by a terminal device or a chip of the terminal device, sending a master cell group (MCG) failure message to a master node (MN) via a secondary node (SN) in response to detecting that a wireless connection fails, and further in response to a secondary cell group (SCG) not failing, performing cell selection in response to the SCG failing, and accessing a target cell in response to the target cell being a candidate cell pre-configured by the MN, where the target cell is a cell selected by the terminal device during the cell selection, where the SCG is a group of cells associated with the SN, and where the MCG is a group of cells associated with the MN.

Communication method and communications apparatus for handling detection of secondary cell group failure

Embodiments of this application provide a data processing method, an access device, and a terminal device. The data communication method includes: A first access network device receives a handover request message from a second access network device, where the handover request message is to request a terminal device to hand over from a cell of the second access network device to a cell of the first access network device. The first access network device determines that robust header compression ROHC restriction processing needs to be performed. The data communication method further includes: The first access network device receives at least one packet from the second access network device and performs the ROHC restriction processing on a second packet in the at least one packet. The method can avoid a decompression failure of a terminal.

Data processing method, and communication apparatus and system

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 communication method includes: sending, by a base station, a message including measurement configuration to UE, where the measurement configuration is used to request the UE to report a cell global identifier of a cell; obtaining, by the base station, a measurement report reported by the UE, where the measurement report corresponds to the measurement configuration and includes the cell global identifier of the cell and band information of the cell; and performing, by the base station, cell handover based on the band information and the cell global identifier of the cell. In this manner, the base station obtains complete and accurate band information of the cell, so that the base station can perform an accurate handover decision, thereby avoiding handover failure.

Communication method and communications device for performing call handover bases on measurement report

In a measurement method, a terminal device receives a first measurement configuration from a first network element, where the first measurement configuration indicates that the terminal device is to measure a first cell corresponding to a first frequency. The terminal device then sends a measurement report to the first network element, where the measurement report includes a first measurement result of measuring the first cell and a second measurement result of measuring a second cell corresponding to a second frequency, and the second frequency is at least one non-serving frequency different from the first frequency.

Target primary cell (PCell) and primary secondary cell (PSCell) measurement method and apparatus

A cell measurement method and an apparatus are provided, to resolve a problem in the conventional technology that a resource waste is caused due to excessively high power consumption of a terminal device. In the method, after determining indication information, a network device sends the indication information to the terminal device, where the indication information indicates the terminal device to perform cell measurement to obtain N cells meeting a cell quality parameter threshold; and the terminal device performs cell measurement based on the indication information.

Cell measurement method and device

Example methods for reporting user equipment location information and apparatus are described. In one example method, user equipment receives a first message, where the first message comprises a paging trigger indication, and the paging trigger indication is used to trigger the user equipment to report, when receiving a paging message, a measurement result of a positioning reference signal. The user equipment receives the paging message in an idle state or an inactive state. The measurement result of the positioning reference signal is reported by the user equipment based on the paging message.

User equipment location information reporting method, user equipment, and network device

A method, including sending, by a first network device, to a second network device, a first message requesting a context of a terminal device from the second network device, and receiving, by the first network device, a second message from the second network device, where the second message comprises first mobility history information and second mobility history information, where the first mobility history information is recorded by the terminal device, where the second mobility history information is recorded by a network device, and where the second message is a response message of the first message.

Communication method and apparatus

This application provides an inter-system handover method and a communication apparatus, and may be applied to an inter-system handover scenario. In a handover process, a source access network device may provide a target access network device with an identity of a terminal device. When determining to add the source access network device as a secondary access network device, the target access network device may send, to the source access network device, a request message for adding a secondary access network device that carries the identity of the terminal device.

Inter-system handover method and communication apparatus

A terminal device obtains first information or second information, where the terminal device supports a first user identity and a second user identity, the first information includes information about a serving cell of the first user identity, and the second information includes a band combination list or a band list supported by the second user identity; and the terminal device sends the first information or the second information to a first access network device by using the second user identity, where the first access network device is an access network device accessed by the terminal device by using the second user identity.

Communication method and system, and device

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

A communication method and apparatus are provided, to resolve a problem that a terminal device may fail to normally communicate with a network side when an SCG is suspended and a link problem occurs in an MCG or a signal quality of the MCG deteriorates, so that communication reliability is improved. The communication method and the apparatus are applicable to a communication system of any dual connectivity architecture, such as EN-DC, NGEN-DC, NE-DC and NR-DC. The method includes: When detecting that a link problem occurs in an MCG or signal quality of the MCG is less than a signal quality threshold, a terminal device resumes a suspended SCG, to resume communication between the terminal device and a network side. The MCG is managed by a master node, and the SCG is managed by a secondary node.

Embodiments of this application provide a communications method, apparatus, and system. The method includes: A terminal device receives first information sent by a network device, where the first information includes access control information of services with N service attributes, and N is an integer greater than or equal to 1; and the terminal device determines, based on a first service that currently needs to be initiated and the first information, whether the terminal device can initiate the first service, where the N service attributes include at least a non-public network service, and the first service is any one of the services with the N service attributes. Therefore, access control on the terminal device is implemented when there is a non-public network service.

Communications method, apparatus, and system

Embodiments of this application provide a communication method, apparatus, and system. The method includes: A terminal device receives first information from a first network device or a second network device, and determines, based on the first information, that it is allowable that the terminal device sends MDT information to the first network device. When it is allowable that the terminal device sends the MDT information to the first network device, the terminal device sends the MDT information to the first network device. This prevents the terminal device from sending the MDT information to the first network device immediately after obtaining the MDT information and avoids disclosure of a network coverage status, thereby effectively and securely using the MDT information.

Communication method, apparatus, and system

Growing community of inventors

Shanghai, China

Hongping Zhang