Huawei Technologies Co., Limited

Qikun Wei

Dewei Bao

Jian Ye Chen

Lu Zhang

Xiaofei Bai

Jinhui Zhang

Fuqing Sun

Zhenhang Sun

Jie Xiong

Yinliang Hu

Shen Zhang

Dong Yang

Yihong Huang

Jinwei Xia

Mingli Zhang

Nu Xia

Hongbo Zhao

Lv Ding

Qiujie Fu

Yuping Jiang

Yanfei Han

Juzheng Yu

Guohai Chen

Ruichuan You

Liang Tao

Haiyang He

Jun Zhan

Changlu Li

Opher Reviv

Embodiments of this application disclose a group-based calibration method and device. The method includes: A control device that obtains path loss data of a wireless access point AP set, where the AP set includes a plurality of APs, and the path loss data includes a path loss between any two of the plurality of APs. The control device obtains a first calibration group based on the path loss data, and sends first calibration information to a management AP of the first calibration group, where the management AP of the first calibration group is an AP that performs calibration management in the first calibration group. By implementing the foregoing method, the control device may divide a plurality of APs into a plurality of calibration groups based on path loss data between the APs, to decrease a coupling degree between the calibration groups.

Wireless access point group-based calibration method and device, and computer storage medium

A detection method includes: obtaining at least one feature of a first access point (AP), where the at least one feature includes a quantity of target terminals that request to access the first AP within a time period with duration being first duration, and the target terminal is a terminal whose access status is abnormal; and detecting, based on the at least one feature, whether the first AP is a logical edge AP, where the logical edge AP is an AP whose signal coverage area reaches an edge of a signal coverage area of a wireless local area network (WLAN) in which the AP is located.

Detection method, apparatus, and system

An obstacle recognition method and apparatus, and a related device are provided. The method includes: obtaining an actual path loss value between a first AP and a second AP, path loss value pairs between a terminal and a plurality of AP pairs, and path loss values of the plurality of AP pairs; obtaining, based on the path loss value pairs between the terminal and the plurality of AP pairs, an AP pair similar to an AP pair formed by the first AP and the second AP; obtaining a second path loss value between the first AP and the second AP based on a path loss value of the similar AP pair; and comparing the second path loss value between the first AP and the second AP with the actual path loss value, to determine whether an obstacle exists between the first AP and the second AP.

Obstacle recognition method and related device

Embodiments of this application disclose an interference source detection method, apparatus, device, and system, and a storage medium. The method includes: obtaining data detected by a plurality of access points (Aps), where data detected by any AP of the plurality of APs includes load information and radio frequency information of the any AP, received signal strength indicator RSSI information between the any AP and a neighbor of the any AP, and load information and radio frequency information of the neighbor of the any AP; determining a global neighbor topology based on the data detected by the plurality of APs; and determining an interference source based on the global neighbor topology.

Interference source detection method, apparatus, device, and system, and storage medium

Embodiments of this application disclose a radio frequency resource allocation method, apparatus, device, system, and a storage medium. The method includes: obtaining radio frequency information of an access point AP (for example, RSSI signal strength between the AP and each neighboring AP, and data traffic of the AP in a data collection period), predicting, based on the radio frequency information of the AP, load of the AP that is in target duration after a current moment, and allocating a radio frequency resource to the AP based on the load of the AP. This implementation can reduce actual interference on an entire network and improve user experience.

Radio frequency resource allocation method, apparatus, device and system, and storage medium

A TOE component obtains a first storage address, where the first storage address is an address of a first storage block in a memory, the first storage block stores a target TCP packet, and the target TCP packet includes a packet header and a TCP payload. The TOE component obtains the packet header from the first storage block based on the first storage address. The TOE component performs TCP-related protocol processing based on the packet header, where the TCP payload is not read out of the first storage block by the TOE component when the TOE component performs TCP-related protocol processing based on the packet header.

TCP packet processing method, toe component, and network device

A flow control method and system, and a device are provided to implement flow control in a process of transmitting a media stream between devices. The method includes: receiving, by a first device, a media stream that is sent by a second device at a first rate; instructing based on a rate of a media stream in a first time period in which a buffer usage rises from a first threshold to a second threshold, the second device to send a media stream to the first device at a second rate which is less than the first rate; instructing based on a rate of a media stream in a second time period in which the buffer usage rises from the second threshold to a third threshold, the second device to send a media stream to the first device at a third rate which is not greater than the second rate.

Flow control method and system, and device

The present invention provides a live video transmission method and system and an apparatus. According to the method, an M2U device receives a UDP request sent by a client, where the UDP request includes a live channel identifier and is used to request video data of a live channel corresponding to the live channel identifier, and the live channel identifier includes a multicast address or a URL. Then, the M2U device obtains the video data corresponding to the live channel identifier, and obtains a source IP address and a source port of the UDP request, where the source IP address and the source port of the UDP request are used as a destination IP address and a destination port of a UDP unicast packet to be subsequently sent to the client.

Live video transmission method and system, and apparatus

A hot live video determining method is provided. A network device first obtains a plurality of video request messages for a target video; then determines statistical information of the target video based on the plurality of video request messages, where the statistical information includes a quantity of video request messages for the target video that are obtained in specified duration and fragment information of a video fragment requested in each video request message; and finally determines, based on the statistical information, whether the target video is a hot live video. According to the method, the network device can identify the hot live video in the Internet, so the network device can carry the hot live video in a multicast manner, to avoid breakdown that is of a network and a video server and that is caused by transmitting the hot live video in a unicast method.

Hot live video determining method and device

A media data live broadcast method, a device, and a system. An over the top (OTT) live proxy server device includes a processor and non-transitory computer-readable storage medium storing instructions for allocating a multicast resource to a specified channel according to a media description and resource allocation indication of the channel instructing the OTT live proxy server to allocate the multicast resource to the specified channel, the media description including at least one resolution of the specified channel and a uniform resource locator corresponding to resolution media data, and the multicast resource including a multicast group corresponding to the specified channel, obtaining, from an OTT server to which the specified channel belongs according to the media description of the specified channel, the resolution media data, converting the media data into multicast media data, and sending the multicast media data to the multicast group in a multicast manner.

Media data live broadcast method, device, and system

A method and a device for creating a pattern matching state machine are provided. The method includes: obtaining a predefined keyword set; generating a Goto function according to the keyword set; constructing a Failure function according to the generated Goto function, and setting that an acceptable input set of the Failure state of each state is not a subset of an acceptable input set of the state, where the acceptable input set of the state indicates that when any symbol within the symbol set is input in the state, the Goto function of the state does not fail; and generating an Output function according to the Goto function and the Failure function.

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Nanjing, China

Qikun Wei