Huawei Technologies Co., Limited

Southwest Petroleum University

Shale Gas Research Institute, Petrochina Southwest Oil and Gas Field Company

Sichuan Hengyi Petroleum Technology Services Co., Ltd

Jia He

Minghui Xu

Ziming Yu

Yi Lin

Yang Yang

Guangjian Wang

Kunpeng Liu

Yunbo Li

Huang Huang

Yong Zhang

Rong Wen

Xiao Han

Hua Cai

Lei Chen

Italo Busi

Chenchen Liu

Kun Zeng

Rui Du

Meihong Zhang

Kun Zhang

Qian Zhang

Xinyang He

Xueying Wang

Haiyan Zhang

Yipeng Liu

Fengli Han

Jing Li

Jingru Ruan

Xuefei Yang

Hengfeng Gou

Lintao Li

Weishi Tang

Miaomiao Zhang

Hulin Niu

Jianqun Chen

Ping Liu

Zhangzhen Jiang

Yongjun Zhang

Shanguo Huang

Songlin Shuai

Jiayi Liu

Chengzao Jia

Wenjun Xie

Yan Song

Tian Tang

Cheng Yang

Huangxun Chen

Bo Li

Lingwen Xiao

Liang Xu

Wanyi Gu

Yijia Wu

Yiming Yang

Zhi Gao

Jiajie Wu

Yongyang Liu

Certain embodiments provide an imaging method for a non-line-of-sight object and an electronic device. In certain embodiments, the method includes: detecting a first input operation; and generating first image data in response to the first input operation. The first image data is imaging data of the non-line-of-sight object obtained by fusing second image data and third image data. The first image data includes position information between the non-line-of-sight object and a line-of-sight object. The second image data is imaging data of the line-of-sight object captured by the optical camera. The third image data is imaging data of the non-line-of-sight object captured by the electromagnetic sensor.

Imaging method for non-line-of-sight object and electronic device

A method for calculating a surface relaxation rate of a shale includes: a relaxation time T distribution curve and a pore throat radius r distribution curve are obtained through experiments; abscissas of the two distribution curves are standardized, and the abscissa of the relaxation time T distribution curve is expanded or shrunk to ensure an abscissa value corresponding to a maximum ordinate value in the transformed relaxation time T distribution curve is same as an abscissa value corresponding to a maximum ordinate value in the pore throat radius r distribution curve; straight lines with a number of N parallel to a y-axis of a combined curve graph including the two distribution curves are drawn and a ρ value corresponding to each straight line is calculated; and ρ value with the number of N are processed to obtain a final surface relaxation rate ρ'.

Method for calculating surface relaxation rate of shale

A method includes, in accordance with some implementations, sending, a measurement station, a trigger frame to a signal source station, where the trigger frame carries pilot format information, and the pilot format information is used to indicate a sending time point of a signal frame triggered by the trigger frame, a quantity of times for sending the signal frame, and a transmission mode of pilot information in the signal frame. The measurement station receives an illumination frame from the signal source station, where the illumination frame is the signal frame triggered by the trigger frame. The measurement station analyzes pilot information in the illumination frame to obtain sensing information in the illumination frame, where the sensing information is used to indicate physical information of an object surrounding the signal source station and the measurement station.

Method for determining sensing information in communication transmission and related device

A network node for a Data Communication Network (DCN) and a network device for providing traffic to the DCN are provided. The network node is configured to receive a plurality of packets carrying DCN messages; determine, from the received packets, a first set of packets addressed to other network nodes of the DCN. The network node is then configured to forward the first set of packets over a Time-Division-Multiplexing (TDM) connection, in particular over an Optical Data Unit-k (ODUk) connection, to a determined network node of the DCN. According to the application, a high bandwidth efficiency is maintained, and the number of interfaces to be managed on a controller is reduced.

Network node and device for data communication networks

A failure recovery method for a virtual network, includes determining, by a network device, that a physical link in a physical network fails, where the failed physical link corresponds to at least one virtual link in the virtual network, and mapping the at least one virtual link corresponding to the failed physical link to a non-failed physical resource in the physical network, where the non-failed physical resource satisfies a transmission bandwidth of each of the at least one virtual link.

Failure recovery method and apparatus for virtual network

Embodiments of the present disclosure provide a virtual network protection method, including: receiving, by a network device (for example, a transport-controller), a virtual network topology establishment request message, where the virtual network topology establishment request message carries a virtual network resource parameter and/or a virtual network protection and recovery type; reserving a working physical resource and a protection physical resource in an idle physical resource of a physical network according to the virtual network resource parameter and/or the virtual network protection and recovery type; and mapping a virtual link on a virtual network to the working physical resource and the protection physical resource.

Virtual network protection method and apparatus

A communications device in a high-frequency system, including: a scan module, configured to use a single beam for each space S region in a to-be-scanned sector of a cell to poll or cover all time T regions in the S region in a time-division manner, and send a synchronization sequence to user equipment in the T region by using a preset frame structure; and a determining module, configured to receive a sequence that is fed back by the user equipment, determine a location of the user equipment according to the sequence, and determine, according to the location of the user equipment, a serving beam for a base station to communicate with the user equipment, to confirm that scanning for the user equipment is completed. The embodiments of the present invention further provide a scanning method in a high-frequency system.

Communications device and method in high-frequency system

A wireless communications method and a wireless communications system are disclosed. In an embodiment, the system includes a transmit end including a transmit module having at least two antenna units, the transmit module is configured to transmit M narrow beams with different spatial directions according to a quality of service requirement, and switches a transmit mode according to a preset switching rule, wherein a set of the spatial directions of the M narrow beams forms a transmit mode; a receive end including a receive module having at least two antenna units, the receive module is configured to receive N beams according to the QoS requirement, and a transmission channel is formed, wherein the receive end calculates transmission channel quality in different transmit modes, searches for a transmit mode that meets the QoS requirement, and feeds back the transmit mode to the transmit end.

Wireless communications method and system

Embodiments of the present invention provide a beam adjustment method, user equipment, and a base station to resolve a problem of overlapping coverage, inter-beam interference. The method includes: sending, by a base station, beam information by using multiple beams, where the beam information includes a beam identifier and channel detection information that correspond to a beam; receiving the detection feedback information sent by the at least one user equipment; obtaining identifiers of Z beams carried in the detection feedback information, where Z is a positive integer greater than or equal to 1, and determining, in the Z beams, Z1 beams that need to be adjusted, where Z1 is a positive integer less than or equal to Z; and adjusting, for at least one time, Z1 antenna bays corresponding to the Z1 beams. The embodiments of the present invention are applied to beam adjustment.

Beam adjustment method, user equipment, and base station

Embodiments provide a communications device for resource allocation, including: a determining module, configured to acquire, from an S region corresponding to each beam, each beam ID fed back by user equipment, determine each T region including user equipment according to the beam ID, and determine a quantity of user equipments included in each T region; a calculation module, configured to select, according to a preset rule, to-be-connected user equipment from the user equipment included in each T region, and calculate, according to a resource allocation policy, a ratio of resources to be allocated to each to-be-connected user equipment; and an allocation module, configured to allocate, in a preset allocation manner according to the resource ratio, a resource to be allocated to each user equipment to the user equipment, and send PDCCH information to the user equipment to deliver the resource allocated to the user equipment to the user equipment.

Communications device and method for resource allocation

The present disclosure provides an antenna alignment method and device. The method comprises: according to an antenna type of an antenna and a pre-selected image element type, acquiring a standard feature image corresponding to the antenna type and the image element type from a feature image library; according to the standard feature image, determining an actual feature image of the antenna to be adjusted, wherein there is a correlation between the position of a main lobe in the standard feature image and an alignment direction of a main lobe in the actual feature image; and according to the position of the main lobe, determining the alignment direction of the main lobe in the actual feature image, and adjusting the antenna to be adjusted to the alignment direction of the main lobe in the actual feature image.

Antenna alignment method and device

The present invention provides a multi-channel array distortion compensation apparatus and method. The apparatus determines, according to a status of a first indication signal, whether to trigger a signal compensation operation; determines, according to a status of a second indication signal, a first adjustment condition is met, compares power of a received signal with a power threshold, and if the power of the received signal is greater than the threshold power, compensates the received signal according to a first adjustment factor; and if the status of the second indication signal does not meet the first adjustment condition, determines the status of the second indication signal meets a second adjustment condition, performs auxiliary compensation according to a second adjustment factor. By compensating signal distortion caused by chip stacking for a received signal, this reduces costs for implementing a multi-channel array system without the need to increase system complexity.

Multi-channel array distortion compensation apparatus and method

A method for updating ring network topology information includes: receiving a topology discovery packet from an originating node, where the topology discovery packet at least carries identifiers of nodes traversed by the topology discovery packet when the packet is transferred from the originating node to a current node; and updating ring network topology information of the current node according to the identifiers of the nodes carried in the topology discovery packet. The apparatus includes a receiving module and an updating module. The system includes an originating node and a receiving node.

Method, apparatus, and system for updating ring network topology information

Embodiments of the present invention disclose a frequency mixing circuit and a method for suppressing local oscillation leakage in the frequency mixing circuit, where a mixed input signal and a local oscillation signal are involved, and local oscillation leakage can be effectively reduced by using a frequency mixing circuit whose structure is simpler and is easier to be implemented. The frequency mixing circuit includes a direct current bias circuit, where the direct current bias circuit includes a direct current bias voltage source used for reducing a local oscillation current. The frequency mixing circuit is mainly applied to frequency mixing, and especially to a case where an intermediate frequency signal is mixed with a local oscillation signal to output a radio frequency signal.

Frequency mixing circuit and method for suppressing local oscillation leakage in frequency mixing circuit

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Chengdu, China

Jia He