Huawei Technologies Co., Limited

Chinese Academy of Sciences

Xin Xia

Yun Liu

Rongrong Hua

Weimin Chen

Lu Guan

Yuanjun Jiang

Shuming Che

Zhenbing Zhang

Lijun Su

Xiaobo Hu

Xiaoyu Luo

Shuo Yuan

A first device obtains first detection data of network performance between a steering function SF device and a first user plane UP device, where the first UP device is a UP device in a communication system in which a control plane CP is separated from a UP. Then, the first device configures the SF device and the first UP device based on the first detection data, to enable a first user to access a network through the SF device and the first UP device, where the first detection data meets a network performance requirement of the first user.

Network access method, apparatus, and system

The present disclosure relates to a prediction method and system for an initiation volume of a debris flow slope source. The prediction method includes: dividing a debris flow source slope to be predicted into soil columns; determining a positional relationship between a selected central soil column and six adjacent soil columns around; calculating a most unfavorable sliding surface of the soil column and an unbalanced force on the sliding surface according to an upper bound theorem of a limit analysis; determining whether the most unfavorable sliding surface is unstable; determining a mode and a size of a force exerted by an unstable soil column on a surrounding soil column according to a break status of a connection bond of a lateral tensile stress of the central soil column; and finally determining whether the soil column is fluidized, and predicting an initiation volume of the debris flow source slope.

Dynamic prediction method and system for initiation volume of debris flow slope source

This application discloses a precoding method and apparatus, and an information transmission method and apparatus, and relates to the field of communications technologies, to help improve overall performance of a plurality of data streams corresponding to a same codeword. The precoding method includes: decomposing a channel matrix into a product of a matrix Q, a matrix R, and a matrix PH, where the matrix PH is a conjugate transpose matrix of a matrix P, both the matrix Q and the matrix P are unitary matrices, and the matrix R is an upper triangular matrix; and precoding to-be-sent data based on the matrix P.

Precoding method and apparatus, and information transmission method and apparatus

Embodiments of the present disclosure disclose a data transmission method and a communications device. The method in the embodiments of the present disclosure includes: obtaining, by a first communications device, a transmission mode instruction, where the transmission mode instruction is used to instruct to use a frequency-domain repetition mode to transmit data, and the frequency-domain repetition mode means that same data is repeatedly transmitted on different frequency-domain resources; determining, by the first communications device, the frequency-domain repetition mode based on the transmission mode instruction; and performing, by the first communications device, data transmission with a second communications device in the frequency-domain repetition mode.

Data transmission method and communications device

Growing community of inventors

Chengdu, China

Xin Xia