Huawei Technologies Co., Limited

Lenovo (Beijing) Limited

Le Yan

Tingting Geng

Hongping Zhang

Qinghai Zeng

Mingzeng Dai

Lianhai Wu

Yi Guo

Congchi Zhang

Haiming Wang

Wenjie Peng

Xiaoli Shi

Xingxing Hu

Yedan Wu

Qufang Huang

Xiaoying Xu

Yinghao Jin

Min Xu

Chunhua You

Jialin Zou

Shitong Yuan

Xiongfei Chen

Xuehua Wang

Yilei Qin

Prateek Basu Mallick

Hua Xu

Liqing Zhang

Hongzhuo Zhang

Joachim Löhr

Jing Liu

Yalin Liu

Haiyan Luo

Min Huang

Usa Vilaipornsawai

Li Zhao

Zheng Zhou

Jinyao Liang

Yanglai Shuai

Hyung-Nam Choi

Lili Zheng

Yibin Zhuo

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

Disclosed are methods and apparatus for artificial intelligence (AI) application in radio access network (RAN). One embodiment of the subject application provides a method performed by a training host (or a wireless network node including a training host) includes receiving a request associated with a wireless network activity, identifying a primary processing model for accomplishing the wireless network activity, and transmitting first information associated with the primary processing model to a second wireless network node to accomplish the wireless network activity, herein the first wireless network node is capable of identifying the primary processing model from a plurality of processing models to accomplish the wireless network activity.

Method and apparatus for artificial intelligence application in radio access network

Disclosed are methods and apparatuses for reporting successful handover related information and/or failure related information by a user equipment to a base station. One embodiment of the subject application provides a method performed by a user equipment, including indicating, in an indication message, availability of successful handover related information and/or availability of failure related information, and transmitting the successful handover related information and/or the failure related information to a base station (BS) in response to reception of a request message from the BS, wherein the request message is based on the indication message.

Methods and apparatuses for reporting handover related information

The present application relates to a method and an apparatus for performing a handover procedure. One embodiment of the subject application provides a method, which includes: receiving a configuration signaling including first configuration information or second configuration information; determining a first target primary cell (PCell) based on the configuration signaling; and performing a handover procedure to the first target PCell.

Method and apparatus for performing handover procedure

Embodiments of the present disclosure relate to methods and apparatuses for multicast and broadcast services (MBS). According to an embodiment of the present disclosure, a method may include: determining whether a user equipment (UE) in an RRC_IDLE state or RRC_INACTIVE state should enter an RRC_CONNECTED state for reception of at least one MBS session; and transmitting indication information for indicating whether the UE should enter the RRC_CONNECTED state.

Methods and apparatuses for multicast and broadcast services

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

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

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

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

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

A method for performing random access includes: performing a 2-step RA procedure with a BS (S); receiving a fallback RAR from BS (S); performing a 4-step RA procedure with BS (S); and associating a 2-step RA information of the 2-step RA procedure with a 4-step RA information of the 4-step RA procedure (S).

Method and apparatus for performing random access

Embodiments of the present disclosure relate to wireless communication in an IAB network. According to some embodiments of the disclosure, a method may include: ciphering an uplink (UL) packet with a cipher configuration associated with a destination of the UL packet, wherein the UE is connected to a first integrated access and backhaul (IAB) donor and a second IAB donor via an IAB node, and the destination of the UL packet is either the first IAB donor or the second IAB donor; providing the ciphered UL packet with the destination of the UL packet; and transmitting the ciphered UL packet to the destination of the UL packet via the IAB node. By employing the solutions in the present disclosure, a UE can determine that the DL packet is from which IAB donor and thus can process the DL packet accordingly. Moreover, an IAB node can determine that the UL packet is to which IAB donor and can route the UL packet to the corresponding IAB donor.

Method and apparatus for wireless communication

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.

Growing community of inventors

Shanghai, China

Le Yan