TP-Link Systems Inc.

The present disclosure provides a wireless communication device, method, system and computer program product for supporting block acknowledgement (BA) mechanism. The wireless communication device includes: one or more processors; a memory coupled to at least one of the processors; and a set of computer program instructions stored in the memory, which, when executed by at least one of the processors, perform actions of: receiving, from a peer wireless communication device, a Low Latency (LL) frame indication for one or more LL frames of a plurality of data frames to be communicated between the wireless communication device and the peer wireless communication device in a BA session; and transmitting, in response to determining a missing LL frame of the one or more LL frames based on the LL frame indication, a retransmission request frame to the peer wireless communication device including an indication of the missing LL frame.

A recipient Multi-Link Device (MLD) including one or more processors; a memory coupled to at least one of the processors; and a set of computer program instructions stored in the memory, which, when executed by at least one of the processors, perform actions of: receiving, from an originator MLD, an indication for indicating a MLD Block Acknowledgment (BA) scheme; and delivering, in response to the HOL support indication indicating a diversity MLD BA scheme of transmitting duplicated sets of data frames on multiple links established between the recipient and originator MLDs, received data frames of a plurality of data frames from a first layer to a second layer of the recipient MLD according to the diversity MLD BA scheme, wherein the second layer is higher than the first layer.

Disclosed are a method, a device and a computer program product for detecting abnormal access behavior based on machine learning. The method includes: obtaining log files stored with access records to create a data set based on the log files; processing the data set as a set of access behavior sequences; clustering feature vectors of a portion of access behavior sequences in the set of access behavior sequences based on a clustering algorithm in the machine learning and using a centroid of a cluster as a basis for dividing the feature vectors to construct an access behavior recognition model; and automatically recognizing whether an access behavior is the abnormal access behavior through the access behavior recognition model.

The present disclosure provides a method of a Bluetooth Mesh network networking method and corresponding devices, the method including: receiving address information of a device to-be-networked, by a networking device, from the device to-be-networked accessing a first network based on a first key; determining whether the address information is available for the device to-be-networked; and in response to the address information being available for the device to-be-networked, transmitting a second key for the Bluetooth Mesh network to the device to-be-networked via the first network for the device to-be-networked to access the Bluetooth Mesh network, wherein the networking device is in both the first network and the Bluetooth Mesh network.

This disclosure provides a frame-type device and a method for data communication therein. The frame-type device includes a control board and a service board. The control switch chip includes a first control port for connecting with a user management interface, at least one second control port for respectively connecting with the at least one service board, and a third control port for connecting with the control network card. The control switch chip is configured to communicate data between the user management interface and the control network card and communicate data between the control network card and the at least one service board. The first control port is configured to prevent data from the at least one service board from being forwarded to the user management interface in a first state.

The present disclosure provides a method and device for encrypting or decrypting a video file. The method for encrypting the video file includes: generating index information and video information for each of a plurality of frames of a video file to be encrypted based on video data for each of the plurality of frames; encapsulating the index information and the video information for each of the plurality of frames into an encapsulation format of the video file; and encrypting, for one or more frames of interest among the plurality of frames, the index information in the encapsulation format of the video file using a key.

This disclosure provides a method and access point (AP) for sharing a transmission opportunity (TXOP). The method includes: determining a bandwidth resource of a frequency band which is not to be used by the first AP for a first time period of the TXOP of the frequency band, and transmitting a signal for announcing the bandwidth resource not to be used by the first AP for the first time period, wherein the signal indicates a delay requirement for one or more second APs to determine whether to contend for the bandwidth resource.

The present disclosure provides a method and an AP for sharing a transmission opportunity (TXOP). A sharing access point (AP) according to the embodiment of the present disclosure includes a transmitter configured to transmit a first trigger frame for announcing a transmission opportunity (TXOP) to be shared; a receiver configured to receive responses from a plurality of candidate shared APs, wherein each response corresponds to one of the plurality of candidate shared APs, and includes information on interferential APs of the one of the plurality of candidate shared APs; a processor configured to determine one or more shared APs from the plurality of candidate shared APs based on the responses; and the transmitter further configured to transmit a second trigger frame which includes identity (ID) information of the one or more shared APs.

In some embodiments, in response to a transmission opportunity, an apparatus determines a total aggregated data unit length and issue a transmit start command to include the total aggregated data unit length. The total aggregated data unit length may be determined based on the total number of data bytes to be transmitted, a maximum number of media access control protocol data units, or an allowed transmission time. The apparatus subsequently aggregates the data units from a transmission queue and transmits data units as they are aggregated. In an alternative embodiment, when an apparatus is close to being permitted to transmit, the apparatus pre-scans the data units from a transmission queue by aggregating the data units, and determines a total aggregated data unit length based on the aggregated data units. The apparatus subsequently transmits a wireless frame including the aggregated data units.

This disclosure provides a device operating in smart home system, a smart home system, corresponding method and computer program product. The smart home system may include a first endpoint, a second endpoint, a plurality of trigger devices and a plurality of responding devices. Each trigger device is configured to generate one or more trigger events; and send them to the first endpoint and the second endpoint. The first endpoint is configured to generate a set of first endpoint commands and send them to a responding device among the plurality of responding devices. The second endpoint is configured to generate a set of second endpoint commands and send them to the responding device. The responding device is configured to perform a set of actions based on the set of first endpoint commands and the set of second endpoint commands.