Huawei Technologies Co., Limited

Shenzhen Minew Technologies Co., Ltd.

Future Wei Technologies, Inc.

Yan Zhuang

Shiyong Fu

Rui Hua

Yungui Wang

Jincan Cao

Xueqi Chen

Hua Chen

Yuchun Lu

Fuguang Huang

Xiuju Liang

Donald Eggleston Eastlake, Iii

Yizhou Li

Fuqing Sun

Yingjie Gu

Chenhe Ji

Haifei Wang

Qi Dong

Liang Li

Lin Ma

Wei Bin Lin

Bing Jiang Sun

Min Peng

Chao Zhao

Jianbing Wang

Chao Gu

Yu Ding

Jianguang Yang

Xiangen Xu

Wan Zhou

Donald Eggleston

Renjie Xiao

Xihao Chen

Donald E Iii Eastlake

Donald Eastlake

A data transmission method, apparatus, and system are applied to the field of communication technologies. The method includes: performing demultiplexing processing on obtained y first data streams to obtain x second data streams, where the y first data streams are obtained through bit multiplexing processing; mapping the x second data streams at a granularity of n bits to obtain z third data streams; and outputting the z third data streams over an output lane, where y, x, n, and z are all positive integers, and n≥2. The method may be applied to an Ethernet high-speed interface.

Method, apparatus, and system for improving reliability of data transmission involving an Ethernet device

A data transmission method and a network device are provided. The method includes: obtaining a to-be-transmitted first MAC packet; obtaining a first data control subframe by using field space of a first field of the first MAC packet, and obtaining a first target data subframe based on a second field of the first MAC packet, where the first data control subframe includes a sequence number of the first target data subframe; and transmitting a first frame including the first data control subframe and the first target data subframe to a target network device. A source network device uses space of the first field to generate the first data control subframe used for retransmission control.

Data transmission method and network device

A sampling assembly and a sampling method are provided. A self-calibration unit controls a first switch to be turned on, to enable a first sampling signal to be input to a sampling unit. The sampling unit processes the first sampling signal to obtain a second sampling signal, and outputs the second sampling signal to the self-calibration unit. The self-calibration unit controls the first switch to be turned off, controls a second switch to be turned on, and outputs a first calibration signal to the sampling unit. The sampling unit processes the first calibration signal to obtain a second calibration signal, and outputs the second calibration signal to the self-calibration unit. The self-calibration unit determines an error signal based on the first calibration signal and the second calibration signal. The self-calibration unit obtains a calibrated third sampling signal based on the second sampling signal and the error signal.

Sampling assembly and sampling method

A power over Ethernet (PoE) power supplying method where power sourcing equipment (PSE) and a powered device exchange link layer discovery protocol data units (LLDPDUs). Each of the LLDPDUs includes two power values. Each of the power values indicates requested or allocated power for one of two sets of cable pairs of the Ethernet twisted pair connecting the PSE and the powered device. Accordingly, the supplied powers to the powered device at sets of cable pairs are independent from each other.

Power over ethernet (PoE) power supplying via two sets of cable pairs

Method, apparatus, and system for improving reliability of data transmission involving an ethernet device

An electronic price tag display method and an electronic price tag display system, a server and a computer readable storage medium. The method is applied to the server, and includes: obtaining basic information of data to be displayed in an image; converting the basic information into bitmap data; and delivering the bitmap data to an electronic price tag in order that the electronic price tag displays the content of the data to be displayed. By implementing the method, the process of manually editing bitmap data by the user is abandoned, the manpower resource and the time cost are saved, the efficiency of display control of the electronic price tag is improved, and the condition that the editing result is affected by human operation error is avoided simultaneously.

Method for displaying electronic price tag, server and storage medium

A wireless access point, a terminal device, and a method for waking up a terminal device by a wireless access point. The terminal device includes a primary radio frequency circuit and a wake-up radio (WUR) radio frequency circuit. The WUR radio frequency circuit only receives a radio signal and operates on a specified channel. If the WUR radio frequency circuit receives a wake-up frame on the specified channel and the terminal device is a to-be-woken-up terminal device, the WUR radio frequency circuit wakes up the primary radio frequency circuit. The wake-up frame includes an identifier of the to-be-woken-up terminal device. The primary radio frequency circuit operates on an operating channel of the primary radio frequency circuit after being woken up.

Wireless access point, terminal device, and method for waking up terminal device by wireless access point

Power over ethernet (PoE) power supplying method and apparatus

An electronic shelf label wake-up method comprising: receiving an electronic shelf label wake-up instruction sent by a server; determining-target feature information of all electronic shelf labels to be woken up, and constructing a wake-up data packet according to all of the target feature information; and sending the wake-up data packet to all the electronic shelf labels so as to wake up the electronic shelf labels corresponding to the target feature information. In the present application, a plurality of electronic shelf labels can be woken up at the same time, and the efficiency of waking up electronic shelf labels in batches is improved. Further disclosed are an electronic shelf label wake-up system, a wake-up data packet processing method, a wake-up data packet processing system, a computer-readable storage medium, a main-end device and an electronic shelf label, which have the above beneficial effects.

Electronic shelf label wake-up method and system and related assembly

A port adaptation method applied to a network device including a port adaptation apparatus includes probing whether the first port and the second port are connected to power sourcing equipment, and maintaining or switching one of the first port and the second port that is connected to power sourcing equipment as, or to, a powered state, and a state of the other port as, or to, a powering state.

Port adaptation method and device

An energy conservation management method includes selecting, by a policy server, a target scenario model from a plurality of scenario models based on a plurality of scenario attribute values of a target network, and configuring, by the policy server, a network device in the target network based on an energy conservation policy of the target scenario model. At least one of the plurality of scenario attribute values is an attribute value of a scenario attribute related to a network power consumption of the target network. The at least one of the plurality of scenario attribute values includes a plurality of attribute values of a corresponding scenario attribute, wherein each of the plurality of attribute values is collected at a different time from other attribute values of the plurality of attribute values that are collected at different times.

Energy conservation management method, apparatus, and computer program product

An apparatus comprises: a memory; and a processor coupled to the memory and configured to: perform a random number generation; generate a host identifier (HID) based on the random number generation, wherein the HID is substantially unique within a local network; and generate, using the HID, an initial message requesting a local address. A method comprises: performing a random number generation; generating a host identifier (HID) based on the random number generation, wherein the HID is substantially unique within a local network; generating, using the HID, an initial message requesting a local address; and transmitting the initial message.

Server-based local address assignment protocol

Power sourcing equipment (PSE) and an energy saving method for Power over Ethernet are provided. The PSE includes: a low-power detection component, configured to: detect a power supply port when being connected to the power supply port; and send a first instruction when the power supply port is connected to a valid powered device PD, to instruct a control switch to connect a PSE chip and the power supply port and disconnect the low-power detection component from the power supply port, and instruct a power switch to connect the PSE chip and a power supply; the control switch, configured to: according to the first instruction, connect the PSE chip and the power supply port, and disconnect the low-power detection component from the power supply port; and the power switch, configured to connect the PSE chip to the power supply port according to the first instruction.

Power sourcing equipment and energy saving method for power over ethernet

A network device includes a power system, a processor, a power sourcing equipment PSE chip coupled to a first forward power supply port, and a first powered device PD chip coupled to a first reverse power receiving port. A first powered device is connected to the first forward power supply port and the first reverse power receiving port. When detecting that a power failure occurs on the network device, the processor instructs the first PD chip to draw power from the first powered device; the first PD chip draws the power from the first powered device through the first reverse power receiving port, and supplies the obtained power to the power system. Therefore, when a power failure occurs, the network device can continue to obtain power and work properly when the power failure occurs.

Network device and power supply method

A power supply management method performed by power sourcing equipment, includes receiving a power-on request from a level-1 powered device, where the power-on request includes a port identifier of a level-2 power supply port that is detected to be valid in the level-1 powered device, determining, based on the power-on request and an outputtable power of the power sourcing equipment, a level-2 power supply port that is allowed to be powered on in the level-1 powered device, and sending a power-on instruction to the level-1 powered device, where the power-on instruction includes a port identifier of the level-2 power supply port that is allowed to be powered on in the level-1 powered device. The power sourcing equipment uses the level-1 powered device and a level-2 powered device connected to the level-1 powered device as a whole, and centrally performs power supply control and power management.

Power supply management method, device, and system

Growing community of inventors

Nanjing, China

Yan Zhuang