Huawei Technologies Co., Limited

Hmn Technologies Co., Limited

University of Electronic Science and Technology of China

China International Marine Containers (group) Co., Ltd.

Jianping Li

Dawei Wang

Weihong Xiao

Runxiao Zhang

Fangqing Duan

Yang Liu

Wenfang Li

Tao Pu

Zhiqiang Liao

Guoqing Xie

Bing Luo

Wenfei Qin

Xun Zhang

Weifeng Hu

Zhaohui Li

Jia Lv

Changwu Xu

Guangjun Wang

Zhiming Yang

He Cui

Xiaofeng Gu

Fangyang Fu

Xiaodeng Duan

Wenao Li

Li Yang

Xiaoyong Qin

Yingli Tao

Hao Tan

Xiang Gao

Shaonan Guo

Keqiang Cui

Shunli Li

Wenting Feng

Ruinan Sun

Jian Hu

Sheng Jiang

Bailu Wang

Xingchun Wang

Deqin Duan

The present application discloses a data secrecy method for a submarine cable system with a failure and a submarine cable system. The method includes: determining a first disaster tolerance set in response to that a failure occurs to a first branch; and replacing a target optical signal in a first optical signal with a virtual optical signal. The first branch is any branch in the submarine cable system. The first disaster tolerance set includes at least one wavelength used for optical signals for transfer from a first terminal station to the first branch. The first optical signal is an optical signal output from the first terminal station. The target optical signal includes optical signals corresponding to the respective wavelengths in the first disaster tolerance set. The virtual optical signal is an optical signal that does not carry data content.

Data secrecy method for submarine cable system with failure and submarine cable system

This disclosure provides an antenna system to improve communication flexibility. The antenna system includes a radio frequency unit, a divider, a first modulator, a second modulator, a first antenna and a second antenna. The radio frequency unit is configured to generate a first radio frequency signal. The divider is configured to divide the first radio frequency signal into first and second radio frequency sub-signals. The first modulator is configured to adjust a first electrical downtilt of the first radio frequency sub-signal and send the adjusted first radio frequency sub-signal to the first antenna for transmission. The second modulator is configured to adjust a second electrical downtilt of the second radio frequency sub-signal and send the adjusted second readio frequency sub-signal to the second antenna for transmission. The adjustion is based on a target downtilt of the first radio frequency signal and a mechanical downtilt of the first or second antenna.

Antenna system

An antenna includes a reflection plate, a radome, a radiating element, and a feeding network. The reflection plate has a first surface and a second surface, and the first surface is opposite to the second surface. The radome is covered on the reflection plate, the radome and the first surface of the reflection plate constitute an accommodation space. The radiating element is located in the accommodation space, and the radiating element is electrically connected to the feeding network. The feeding network is at least partially disposed on the second surface of the reflection plate.

Antenna and base station

This application describes multi-band antenna systems and base stations. An example multi-band antenna system includes: a plurality of radiating element arrays, feeding networks separately corresponding to the plurality of radiating element arrays, at least one layer of a frequency selective surface (FSS), and a reflection panel. The plurality of radiating element arrays are located above the reflection panel. All or some of the plurality of radiating element arrays are stacked. The at least one layer of the FSS is located between the stacked radiating element arrays. A feeding network corresponding to at least one radiating element array in the stacked radiating element arrays is electrically connected to the at least one layer of the FSS, or the feeding network corresponding to the at least one radiating element array is integrated on the at least one layer of the FSS.

Multi-band antenna system and base station

A positioning method, a device, a system, a chip, and a storage medium are provided. A network device is externally connected to N antennas, the network device has N receive channels, and the N antennas are in a one-to-one correspondence with the N receive channels. The method includes: A network device receives, by using each of the N antennas, a positioning signal sent by a terminal device, determines TOA information and/or RSSI information of the positioning signal on each of the N receive channels, and sends the TOA information and/or the RSSI information of the positioning signal on each of the N receive channels to a service anchor. The service anchor is configured to position the terminal device based on the TOA information and/or the RSSI information.

Positioning method, device, system, chip, and storage medium

Embodiments of this application provide a radiation apparatus and a multi-band array antenna, and relate to the field of antenna technologies. The radiation apparatus includes a radiation module, a first conductor balun, and a second conductor balun. The first conductor balun is mechanically connected to the second conductor balun under the radiation module. The radiation module includes a first radiation unit and a second radiation unit in a +45° polarization direction, and a third radiation unit and a fourth radiation unit in a −45° polarization direction. The first conductor balun is configured to feed a first differential signal to the first radiation unit and the second radiation unit. The second conductor balun is configured to feed a second differential signal to the third radiation unit and the fourth radiation unit. The first conductor balun and the second conductor balun are disposed in the same plane.

Radiation apparatus and multi-band array antenna

An adjustment apparatus is provided, which includes a drive unit; a plurality of adjustment rods correspondingly connected to a plurality of loads, the plurality of adjustment rods are classified into a first adjustment rod group and a second adjustment rod group; a selection unit, wherein the drive unit is configured to drive the selection unit to be connected to at least one adjustment rod in the first adjustment rod group or at least one adjustment rod in the second adjustment rod group; a shift unit, wherein the shift unit is configured to enable the selection unit to be switched between the first adjustment rod group and the second adjustment rod group; and an adjustment unit, wherein the drive unit is configured to drive the adjustment unit to drive the adjustment rod connected to the selection unit to move.

Adjustment apparatus, multi-band antenna, and base station

This application discloses an antenna, an antenna array, and a communications device. The antenna includes a radiation part and a feeding part. The feeding part is coupled to the radiation part and is configured to feed power to the radiation part, so that the radiation part radiates a low-frequency signal outward. The radiation part includes one or more frequency selection units with a bandpass characteristic, and the radiation part is a structure that is capable of exciting, when a high-frequency signal passes through, coupling currents. When the high-frequency signal passes through the radiation part, each pair of coupling currents excited on the radiation part appear in pairs and can cancel each other. This can reduce or even completely eliminate a high-frequency induced current with the same frequency as the high-frequency signal on the radiation part.

Antenna, antenna array, and communications device

Embodiments of this application disclose a common aperture antenna and a communication device. The common aperture antenna includes: a reflection panel and a low frequency antenna unit, a frequency selective panel, and a high frequency antenna unit that are disposed on the same side as the reflection panel and are arranged in sequence. In the direction perpendicular to the reflection panel, the distance between the high frequency antenna unit and the reflection panel is greater than the distance between the low frequency antenna unit and the reflection panel, the frequency selective panel is disposed between the high frequency antenna unit and the low frequency antenna unit, and the frequency selective panel is a reflection ground of the high frequency antenna unit and has a total reflection characteristic for the working frequency of the high frequency antenna unit.

Common aperture antenna and communication device

Bubble mailer

This application provides an antenna system and a base station. The antenna system includes a radiation array, a transceiver (TRX) unit, and a filter bank. The radiation array includes a transmit antenna element group and a receive antenna element group that are separately disposed. The transmit antenna element group is configured to transmit a signal, and the receive antenna element group is configured to receive a signal. The TRX unit includes a transmit module and a receive module. The filter bank includes a first-type filter and a second-type filter. The first-type filter is connected between the transmit antenna element group and the transmit module, and the second-type filter is connected between the receive antenna element group and the receive module. The antenna system in this application can reduce interference between a passive intermodulation (PIM) signal generated by a transmitted signal and a received signal.

Antenna system and base station

A method for machine reading comprehension includes: S, obtaining a character-level indication vector of a question and a character-level indication vector of an article; S, obtaining an encoded question vector and an encoded article vector; S, obtaining an output P1 of a bidirectional attention model and an output P2 of a shared attention model; S, obtaining an aggregated vector P3; S, obtaining a text encoding vector P4; S, obtaining global interaction information between words within the article; S, obtaining a text vector P5 after using the self-attention model; S, obtaining aggregated data P6 according to the text encoding vector P4 and the text vector P5; S, obtaining a context vector of the article according to the aggregated data P6 and an unencoded article vector P; and S, predicting an answer position according to the context vector of the article and the encoded question vector to complete the machine reading comprehension.

Method for machine reading comprehension

This application discloses a submarine cable fault determining method and apparatus for realizing detecting whether a fault occurs to a submarine cable, without depending on TTE. The submarine cable fault determining method includes: receiving, by a network management system, first detection information from a first device during a first preset time, and receiving second detection information from a second device during a second preset time, where the second detection information is used to indicate whether the second device receives a first heartbeat signal from the first device through a submarine cable, and the first detection information is used to indicate whether the first device receives a second heartbeat signal from the second device through the submarine cable; and determining, by the network management system based on the first detection information and the second detection information, whether a fault occurs to the submarine cable between the first device and the second device.

Submarine cable fault determining method and apparatus

This application provides an antenna downtilt adjustment apparatus, including: a first transmission assembly, a flexible transmission assembly, and a second transmission assembly that are disposed on a mounting plate. The flexible transmission assembly includes a transmission element and a guiding element. The transmission element is in an integrated long strip shape and bendable. One end of the transmission element mates with the first transmission assembly, and the other end of the transmission element mates with the second transmission assembly. The guiding element is secured to the mounting plate, and the guiding element is configured to constrain an extension path of the transmission element on the mounting plate. The first transmission assembly is driven by an antenna information management module, and transmits a force to the second transmission assembly by using the transmission element. The second transmission assembly is configured to drive a phase shifter, to adjust an antenna downtilt.

Antenna downtilt adjustment apparatus and communications device

The present invention discloses an apparatus. The apparatus includes: a coherent receiving unit, configured to perform coherent synthesis on a received to-be-detected optical signal and a multi-wavelength local oscillation laser beam, and convert a coherent receiving signal formed by means of the coherent synthesis into an analog electrical signal; a data acquiring unit, configured to acquire the analog electrical signal output by the coherent receiving unit, and convert the analog electrical signal into a digital signal; a power spectrum generation unit, configured to process the digital signal output by the data acquiring unit, to generate a continuous full power spectrum of the to-be-detected optical signal; and an optical performance parameter monitoring unit, configured to monitor, according to the continuous full power spectrum generated by the power spectrum generation unit, an optical performance parameter of a transmission link carrying the to-be-detected optical signal.

Apparatus and method for monitoring optical performance parameter, and optical transmission system

Growing community of inventors

Shenzhen, China

Jianping Li