Huawei Technologies Co., Limited

Hongzhuo Zhang

Xiaoli Shi

Wenjie Peng

Mingzeng Dai

Haiyan Luo

Tianle Deng

Li Yang

Ying Huang

Qinghai Zeng

Henrik Olofsson

Jing Liu

Shuhui Chen

Xiaoying Xu

Xiaodong Yang

Xiao Ling Chen

Min Huang

Tingting Geng

Yi Guo

Shukun Wang

Xiaoxiao Zheng

Yinghao Jin

Lei Li

Dongmei Zhang

Wei Tan

Lei Liu

Feng Han

Rui Wang

Xuelong Wang

Dong Chen

Qiang Wang

Yang Zhao

Le Yan

Xingxing Hu

Lingli Pang

Lan Zou

Yang Liu

Yong Qiu

Xudong Yang

Binsong Tang

Li Ji

Yingzhe Li

Huan Yun Zhang

Shuigen Yang

Yang He

Johan Christer Johansson

Ping Song

Lei Jin

Henrik Lundqvist

Kaijie Zhou

Tingting Wang

Philippe Reininger

Wenruo Zhu

Xiaoqian Jia

Jinping Hao

Man Wang

Johan Christer Qvarfordt

Kari Juhani Leppanen

Chuan Ma

Shlai Zhu

Huan Zhang

Shiai Zhu

Johansson Johan

Examples in this application disclose a communications system and apparatus. One example system includes a first access network device and a second access network device, and the first access network device sends, to the second access network device, indication information indicating a requirement of transmitting small data, receives, from the second access network device, a context of the terminal and an address of a tunnel used to transmit uplink data, indicates, based on the context, the terminal to enter a connected state, and sends uplink data of the terminal to the second access network device based on the address of the tunnel, then the second access network device sends the uplink data to a core network device.

Data transmission method and apparatus

This application provide an information update method, and related communications apparatus. In this solution, a first network device determines first information, and sends the first information to a second network device. After receiving the first information, the second network device updates, based on the first information, configuration information corresponding to a first candidate cell to obtain configuration information corresponding to a second candidate cell. The first information is used to update the configuration information corresponding to the first candidate cell to obtain the configuration information corresponding to the second candidate cell, both the first candidate cell and the second candidate cell are managed by the second network device, the first candidate cell includes at least one cell, and the second candidate cell includes at least one cell.

Information update method, device, and system

A communication method and an apparatus providing a PCI allocation and optimization solution are provided. The method includes that a distributed unit receives first information sent by a central unit, where the first information includes at least one of the following: allowed PCI information, unallowed PCI information, or PCI conflict information; and the distributed unit determines a PCI of a serving cell of the distributed unit based on the first information.

Communication method and apparatus

A link failure report transmission method and apparatus are provided. When a link between a terminal and a first radio access network device fails, and a master radio access network device of the first radio access network device is handed over, the terminal sends a first link failure report to a second radio access network device, so that the second radio access network device forwards the first link failure report to a third radio access network device, and the third radio access network device sends the first link failure report to the first radio access network device. In this way, the first radio access network device can perform parameter adjustment based on the first link failure report.

Link failure report transmission method and apparatus

This application provides a communication method and a communication apparatus, to implement transmission of a cell coverage state indicator in a centralized unit-distributed unit (CU-DU) split architecture, which improves network performance. The communication method includes: A distributed unit DU of a first network device determines a first coverage indicator. The DU of the first network device sends the first coverage indicator and a first identifier to a centralized unit CU of the first network device, where the first coverage indicator includes one or more of the following: a cell coverage state of a first cell, a cell deployment status indicator of the first cell, and cell replacing info of the first cell, and the first identifier is used to identify the first cell.

Communication method and communication apparatus

This application provides a method, includes: a first network node sends an inactivity timer of a terminal device to a second network node, the first network node receives an inactive state indication of the terminal device from the second network node, wherein the inactive state indication of the terminal device is used by the first network node to determine whether the terminal device to enter an inactive state, the first network node notifies the second network node that the terminal device enters the inactive state.

Transmission method and network device

Embodiments of this application provide a communication method and a related device. The method includes: receiving, by a radio access network device, first information sent by a terminal device, where the first information includes an identifier of a beam used by the terminal device for random access and random access information of the terminal device on the beam; and optimizing, by the radio access network device, a random access channel based on the first information.

Communication method and related device

A remote interference management method and an apparatus are provided. The method includes: A first network device receives a reference signal (RS) sent by a second network device, where the RS is used to indicate that the second network device is subject to remote interference. The first network device determines first auxiliary information, and sends the first auxiliary information to the second network device. The first auxiliary information includes at least one of the following information: frequency domain information of a downlink transmission resource of the first network device, time domain information of the downlink transmission resource of the first network device, or beam information of downlink transmission of the first network device.

Remote interference management method and apparatus

This application provides a wireless communication method and apparatus. The method includes: determining reference information, where the reference information includes information about first duration and/or information about a first cell, the first duration includes duration in which a terminal device is in an inactive state, and the first cell includes a cell in which the terminal device performs an RNAU; and sending the reference information.

Wireless communication method and apparatus

In a method for resolving PCT conflicts in a new radio (NR) network, synchronization signal and PBCH (Physical Broadcast Channel) blocks (SSB) and corresponding physical cell identifiers (PCIs) are utilized. In the method, a first PCI corresponds to a first SSB and a second PCI corresponds to a second SSB. An access network device determines, based on the first PCI and the second PCT, that the first PCI conflicts with the second PCI. In this way, PCI conflicts in an NR system can be detected to improve the success rate and to reduce the call drop rate in a terminal handover.

Communications method and related apparatus, system, and storage medium for resolving physical cell identifier conflicts

The present disclosure discloses example communication methods and apparatuses. One example method includes obtaining physical random access channel (PRACH) configuration information of one or more cells by a first central unit (CU). The PRACH configuration information of the one or more cells is sent from the first CU to a first distributed unit (DU).

This application provides a communication method and a communication system. A central unit (CU) obtains a quality of service (QoS) parameter of a QoS data flow and performs mapping the QoS data flow to a bearer based on the QoS parameter of the QoS data flow. The CU determines a QoS parameter of the bearer based on the QoS parameter of the QoS data flow and sends a context setup request message to a distributed unit (DU), wherein the context setup request message comprises the QoS parameter of the bearer, the QoS parameter of the QoS data flow and the mapping relationship between the QoS data flow and the bearer.

Communication method, apparatus, and system based on a CU-DU architecture

This application discloses a physical random access channel (PRACH) resource processing method and an apparatus, to resolve a PRACH resource interference problem in a new radio NR system. The method in embodiments of this application includes: receiving, by a first access device, first information from a second access device, where the first information includes at least one of PRACH resource information of beam failure recovery (BFR), PRACH resource information of on-demand system information (OSI), and PRACH resource information of an uplink (UL) carrier; and performing, by the first access device, processing based on the first information.

Physical random access channel PRACH resource processing method and apparatus

An information transmission method includes: A terminal device sends first information to a network device, where the first information includes information indicating that a radio link failure occurs between the terminal device and a first cell, or the first information includes information indicating that beam failure recovery occurs between the terminal device and the first cell; and the first information further includes information about a resource; and the network device performs mobility robustness optimization based on the first information.

Mobility robustness optimization (MRO) for new radio

Example multi-connectivity communication methods and apparatus are described. In one example method, an access network device of a first network determines to use an access network device of a second network to perform data splitting for data of UE. Then, the access network device of the first network sends first splitting configuration information to the UE and sends second splitting configuration information to the access network device of the second network. The first splitting configuration information is used to notify the UE that the access network device of the second network is to split to-be-split data of the UE. The second splitting configuration information is used to instruct the access network device of the second network to split the to-be-split data of the UE.

Multi-connectivity communication method and device

Growing community of inventors

Shanghai, China

Hongzhuo Zhang