2831 results about "Local area network" patented technology

The invention discloses a water conservancy design archive retrieval system and method based on a local lightweight large model, and the method comprises the steps: S1, constructing a Python automatic preprocessing assembly line, extracting texts for PDF and Word multi-format archives, correcting metadata, and outputting standardized data; s2, constructing a full-text retrieval and semantic retrieval dual-mode cross-document retrieval service by relying on a Weavi ate local vector database and a lightweight text embedding model; s3, analyzing a user query intention through a local large model, synchronously triggering metadata accurate retrieval and content semantic retrieval, and generating a structured result; and S4, integrating the core module into a local area network Web platform, adopting Docker containerization deployment, and combining an RBAC permission model and JWT authentication to guarantee security. The system comprises a preprocessing module, a cross-document retrieval module, an intelligent agent module and a background management module, and collaboration is achieved through a standardized API. According to the method, the problem of archive fragmentation is solved, multi-mode retrieval breaks through keyword limitation, an intelligent agent reduces manual intervention, a localized architecture prevents secret-related leakage, background management adapts to an existing I T environment, and full-process intelligent archive service is provided for water conservancy design.

Methods for wireless local area network (WLAN) sensing are provided herein. A method performed by a sensing responder may include receiving a first sensing measurement setup request message indicating a first one or more parameters to be used in a sensing measurement procedure. The method may include transmitting a first sensing measurement setup response message indicating at least one parameter that differs from the first one or more parameters indicated by the sensing measurement setup request message. The method may include receiving a second sensing measurement setup request message indicating a second one or more parameters to be used in the sensing measurement procedure. The second one or more parameters to be used in the sensing measurement procedure may include at least one parameter that differs from the first one or more parameters indicated by the first sensing measurement setup request message.

A scheduling method for managing network congestion includes: determining, in response to link congestion in a network, a plurality of queue pairs (QPs) on a congested link in the network; determining, from the plurality of QPs on the congested link, a target QP for scheduling out from the congested link; determining a target traffic-forwarding path based on traffic of links in the network, the target traffic-forwarding path being configured for forwarding traffic of the target QP; determining a changed route of the target QP based on a target address of the target QP and the target traffic-forwarding path; and delivering the changed route to a target source local area network access (LA) device of the target QP, the target source LA device being configured to output, based on the changed route, the traffic of the target QP through the target traffic-forwarding path.

The invention discloses a numerical control machine tool data acquisition device with distributed edge computing capability and a data processing method. The device comprises a local computing unit and a distributed collaborative management unit, wherein the local computing unit is used for performing data acquisition and processing on a numerical control machine tool and executing a stand-alone analysis task. In the distributed collaborative management unit, a resource discovery and communication module is used for automatically discovering other data acquisition devices of the same type in a local area network and establishing communication connection to form a distributed edge computing cluster; the task collaborative scheduling engine is used for evaluating the real-time calculation load, the resource idle condition and the complexity of a current data processing task of the device, and the cross-equipment analysis module is used for initiating or responding to a cross-machine-tool collaborative analysis task; according to the invention, a distributed edge computing network is constructed, and dynamic distribution, load balancing and cross-equipment intelligent analysis of computing tasks are realized, so that the overall efficiency, the reliability and the intelligent level of a data acquisition system are remarkably improved.

In a wireless local area network (WLAN) system, a transmission STA can transmit a PPDU via a 320 MHz channel, and a Medium Access Control (MAC) signal may be generated for the PPDU. The MAC signal may include puncturing pattern information and channel center frequency segment (CCFS) information for a 320 MHz band. The CCFS information may include a first CCFS field related to channel center frequency (CCF) information of a primary 160 MHz channel, and a second CCFS field related to CCF information of a 320 MHz channel.

The invention discloses a communication method, device and system and a storage medium, and belongs to the field of communication. The method is applied to a first slave gateway included in an indoor local area network, the indoor local area network further comprises an IoT device and a main gateway, a communication protocol adopted between the first slave gateway and the IoT device is a first protocol, a communication protocol adopted between the first slave gateway and the main gateway is a second protocol, the first protocol is a Bluetooth protocol or a star flash protocol, and the second protocol is a Bluetooth protocol or a star flash protocol. The second protocol is a protocol other than a Bluetooth protocol and a star flash protocol. The method comprises the following steps: receiving first service data sent by IoT equipment, wherein the first service data is data defined by a first protocol; a first message is generated, the first message is a message defined by a second protocol, and the payload part of the first message comprises first service data; and sending the first message to the main gateway. According to the invention, the coverage range of the indoor local area network can be expanded.

The invention discloses a multi-device collaborative passenger flow statistical method and system, and the method comprises the following steps: presetting a unique identity label and a physical position index for devices, reading the unique identity label and the physical position index, and initializing the attribute information of the devices; a user datagram protocol broadcasting mechanism is started, and heartbeat information including the unique identity label, the physical position index and the online state is sent according to a preset period; monitoring the user datagram protocol broadcast message in the local area network, constructing and maintaining an online equipment list, and updating the online state of the equipment according to the heartbeat information receiving analysis condition; judging adjacent equipment based on a physical location index, and deciding whether to start a first boundary or a second boundary according to the online state of the adjacent equipment; and the decision result is transmitted to a passenger flow statistical algorithm to generate a shop-crossing detection line. According to the invention, multi-device collaborative passenger flow statistics dynamic boundary configuration is realized, the shop-crossing detection line is accurately generated, and the passenger flow statistics problems of fixed boundary configuration, easy missed counting and poor multi-device collaboration are solved.

The invention provides a data transmission method and device, equipment and a storage medium. The data transmission method is applied to the controller, at least two buffer areas are arranged in the controller, and the data transmission method comprises the steps that in response to starting of a first timer, CAN data sent by external equipment through a CAN controller local area network bus is stored in the buffer area in an idle state in the at least two buffer areas; in the process of storing the CAN data through the buffer area in the idle state, forwarding the CAN data stored in the buffer area in the occupied state in the at least two buffer areas through a serial peripheral interface (SPI) bus; wherein the data transmission rate of the CAN bus is smaller than that of the SPI bus.

The invention discloses an AI digital human conference proxy method and device under an offline local area network and a medium, and the method comprises the steps: collecting conference voice in real time, converting the conference voice into a real-time text, and pre-judging a subject set in combination with a localized industry knowledge base and a user historical conference track; if it is detected that the user or the to-be-decided item is mentioned, reply voice is generated in combination with historical corpora of the user; and if the conference enters the pre-judgment topic set, calling the pre-loaded user feature packet to generate reply voice, and controlling the digital person to generate a corresponding audio and video stream. The invention provides an AI digital human conference proxy method and device under an offline local area network and a medium, and aims to realize topic pre-judgment in combination with a local knowledge base and a historical conference track of a user and provide preparation for real-time reply; meanwhile, for different scenes, the user historical corpus and the user feature packet are called respectively to generate the reply, so that the problem that the real-time personalized reply generation of the AI digital person conference agency and the conference issue pre-judgment are difficult to collaboratively realize in an offline local area network environment can be solved.

The embodiment of the application provides a screen projection method, electronic equipment, a storage medium and a program product, relates to the video projection and whole-house intelligent technical field, and can not need to connect the double-end equipment for projection to the same local area network, thereby reducing the limitation of projection, making the use scene of projection more flexible. The screen projection method comprises the following steps: in response to an operation of initiating projection, initiating low-power BLE Bluetooth broadcast search; obtaining a first data packet and a second data packet from the data of the BLE Bluetooth broadcast, the first data packet comprising first check information and encrypted information, and the second data packet comprising second check information and a key; decrypting the encrypted information according to the key; determining that the first data packet and the second data packet are associated projection information; displaying a projection device selection interface; in response to a selection operation on a projection target device option, establishing a wireless connection between the projection target device; and initiating video projection to the projection target device based on the wireless connection.

Methods, systems and devices for transmitting unavailability information in a wireless local area network. A wireless device establishes first and second wireless connections using a first set of radio resources. The wireless devices receives a multi-user initial control frame (ICF) from a wireless access point over the first wireless connection. Based on receiving the multi-user ICF, the wireless device transmits a control response message to the wireless access point that indicates unavailability information for the wireless device.

The invention relates to the technical field of cross-border trade settlement, and discloses a cross-border trade settlement risk prevention and control system based on a block chain smart contract, and the system comprises a regional network which serves as a distributed account book infrastructure and is used for storing and sharing the transaction data of all participants; the cross-border trade settlement risk prevention and control system comprises a block chain intelligent contract, a trusted data acquisition and uplink module used for acquiring and verifying off-chain entity trade data and uploading the verified trusted data to a local area network, and the off-chain entity trade data comprises logistics information sensed by Internet of Things equipment. The problem of traditional cross-border trade settlement pain points can be effectively solved, and fraud is prevented and controlled in the whole process by means of dual verification and intelligent contracts; a sharing platform is constructed through the block chain, an information island is broken, the settlement efficiency is greatly improved, and data security and traceability are guaranteed.

The application discloses a media stream transmission method and device based on an edge device and electronic equipment, and the method comprises the following steps: an edge all-in-one machine receives a live broadcast request message sent by a site device management cloud module from a first network, the edge all-in-one machine is connected to a second network, the edge all-in-one machine generates media stream service information according to a camera module identifier, and the media stream service information is sent to the site device management cloud module, so that the site device management cloud module requests a target network video recorder corresponding to the camera module identifier to acquire a media stream according to an edge live broadcast address, an IP address and a port; when the target network video recorder feeds back a successful request, the edge all-in-one machine receives the media stream recorded by the target network video recorder through the camera module, and transmits the media stream to a client according to the edge live broadcast address. According to the method, the media stream data is transmitted through the second network LAN, public network bandwidth resources are saved, and the stability and fluency of video playing are improved.

This disclosure provides methods, devices, and systems for communicating cross-link multi-link signaling (MLS) control signaling in wireless local area networks (WLANs). In various aspects, an apparatus may generate a frame that includes a header including an MLS subfield that includes a set of bits associated with a respective link of a set of links between the first MLD and a second MLD. The apparatus may configure a signaling type (s-type) of the MLS subfield with a value indicating a type of MLS control signaling associated with the MLS subfield, and may configure each bit of a first subset of bits of the MLS subfield with a value indicating that the type of MLS control signaling is applicable to the respective link associated with the bit. Further, the apparatus may output the first frame for transmission to the second MLD on a first link of the set of links.

In a Wireless Local Area Network system, a reception STA can receive a request to send (RTS) frame. The RTS frame may include bandwidth information. The reception STA can perform clear channel assessment (CCA) on the basis of the bandwidth information. The reception STA can determine a transmission channel on the basis of the result of the CCA and information about preset multiple resource units (MRUs). The reception STA can transmit a clear to send (CTS) frame through the transmission channel. The transmission channel is one of the preset MRUs and may be a channel in which the CCA result is idle. The preset MRUs may include a first MRU composed of a first 996 tone RU, a second 996 tone RU, a third 996 tone RU, and a 484 tone RU.

Systems, methods and apparatus of vehicle control. For example, a vehicle includes: a multi-master serial bus (e.g., a controller area network (CAN) bus); electronic control units connected to the bus and configured to communicate with each other through the bus; a transceiver connected to the bus and configured to monitor communication traffic on the bus to generate inputs; and an artificial neural network configured to generate, based on the inputs, a classification of anomaly for the communication traffic on the bus. The vehicle is configured to apply a security measure in response to the classification of anomaly for the communication traffic on the bus.

The invention discloses a multi-device cooperative intelligent household electrical appliance control method, which belongs to the technical field of intelligent home furnishing, and specifically comprises the following steps: a household electrical appliance collects environment and self state data in real time, and when any device detects that the data exceeds a preset threshold value, a trigger message containing an event type code is broadcasted to a local area network; a device receiving the message calls a capability database, and a control parameter set containing operation instruction sequences of the device and associated devices is generated in combination with current environment parameters; the parameter sets are uploaded to a shared storage area, each device performs conflict detection on other parameter sets, and conflict marks and correction parameters are generated when output variables are monitored in a local simulation environment and a safety range is exceeded; two parameter sets with the least conflicts are selected according to the number of conflict marks to compare the difference, each device quantitatively scores according to a preset rule, finally the device with the highest score is selected as an execution scheme, and the device analyzes and executes a corresponding instruction; according to the invention, multi-device cooperative intelligent control is realized, and the efficiency and reliability of home environment regulation and control are improved.

A wireless communication tape, dispenser of the same and methods of usage of the wireless tape and the dispenser in asset tracking applications are disclosed. The wireless communication tape can be manufactured in an ultrathin form factor by laminating a stack of layers to impart functionality to the wireless communication tape. Methods of use and operation of the wireless communication tape are disclosed to save battery resources of the communication tape. The wireless communication tape may be used to form shipping labels that are thermally printed in a thermal printer and that include a 5G and Bluetooth communication capability to track a location of a package. Examples of 5G wireless protocols include the LPWAN protocols of NB-IoT and LTE-M.

A method performed by a first wireless access point for coordinating a multi-access point transmission in a wireless network of multiple access points includes receiving an indication of a transmit opportunity for the first wireless access point, transmitting at least one indication frame to the multiple access points comprising information related to the transmit opportunity, receiving at least one request frame from one or more access points of the multiple access points indicating participation with the transmit opportunity, and transmitting a trigger frame to the one or more access points that indicated participation with the transmit opportunity, wherein the trigger frame comprises information indicating respective power levels for the participating access points. The shared transmit opportunity may then be used to transmit downlink data to associated stations of the first wireless access point and the other participating access points during the transmit opportunity.

A method and a device for low power operation in a wireless LAN supporting an MLSR operation are disclosed. The method of an STA MLD comprises steps in which: a power saving operation is performed in a first link and a second link; a first STA receives a beacon frame from a first AP associated with an AP MLD while the first STA associated with the STA MLD operates in an awake state in the first link; the first STA performs first communication with the first AP in the first link on the basis of the beacon frame; and, after completion of the first communication, a second STA performs second communication with a second AP associated with the AP MLD while the second STA associated with the STA MLD operates in the awake state in the second link.

This application discloses a communication method for a UWB and a related product. This application can be applied to a UWB-based wireless personal area network system, a sensing system, a positioning system, a ranging system, or a communication system, and can be further applied to a wireless local area network system that supports 802.11 series protocols such as a next-generation Wi-Fi protocol of IEEE 802.11ax, for example, 802.11be or Wi-Fi 7, and a next-generation protocol of 802.11be, for example, Wi-Fi 8. The method includes: generating a first message including a first bitmap, where an ith bit in the first bitmap corresponds to an ith UWB device, and when the ith bit is set to a specified value, the ith bit indicates a location of parameter configuration information of the ith UWB device in a first DPL; and sending the first message.

Methods, systems, and devices for wireless communications are described. A wireless device that operates in a wireless local area network may include an auxiliary radio and a main radio and may operate in both an auxiliary radio mode and a main radio mode. The auxiliary radio may support both transmitting and receiving or may support receiving only. The wireless device may indicate parameters associated with an auxiliary radio mode and / or with transitioning from the auxiliary radio mode to a main radio mode. The auxiliary radio may perform additional functions while the wireless device communicates with a second wireless device on a wireless link using the main radio. For example, the auxiliary radio may monitor channel metrics of the wireless link, receive and / or transmit control communications with the second wireless device, receive and / or transmit high importance data communications, or scan for and / or initiate connections via other wireless channels.

A wireless communication apparatus, method or protocol for wireless STAs using CSMA / CA on a wireless local area network (WLAN). A receiver STA receives MSDUs or A-MSDUs which include an expiration time, from a transmitter STA. The receiver STA stores the MSDUs or A-MSDUs with expiration time in its receive reordering buffer of the corresponding high-throughput (HT)-immediate block acknowledgement (Ack) agreement. The receiver STA passes the MSDU or A-MSDU to a next MAC process before an expiration time of the MSDU or A-MSDU. Thus, the percentage of latency sensitive traffic packets being communicated prior to expiration is increased.

A sensing communication method and an apparatus are provided, and may be applied to a WPAN system or a sensing system that supports UWB, for example, a wireless local area network system that supports a 802.15.4a protocol, a 802.15.4z protocol, a 802.15.4ab protocol, or the like in 802.15 series protocols. The method includes: A sensing requester sends a sensing request, where a MAC payload of the sensing request includes sensing initiator address information; and a communication apparatus that receives the sensing request forwards the sensing request when determining that an address of the communication apparatus does not match the sensing initiator address information; or the communication apparatus that receives the sensing request parses the sensing request when determining that the address of the communication apparatus matches the sensing initiator address information.

The invention relates to the technical field of BMC security, and provides a security acquisition method and device of BMC information, equipment and a medium, and the method comprises the steps: generating a one-time public key and a one-time private key for a single communication session according to a self MAC address and real-time time; performing hash operation on the one-time public key to obtain a one-time public key hash value; sending the one-time public key hash value to a key management server, so that the key management server signs the one-time public key hash value by using a preset private key, and receiving a returned signature result; packaging the one-time public key and the signature result into a request message, and broadcasting the request message to a local area network to enable the BMC to generate and return an encrypted response message after signature verification; and monitoring and receiving an encrypted response message returned by the BMC, decrypting the encrypted response message by using the one-time private key, and extracting and displaying BMC information. According to the technical scheme, confidentiality, safety and integrity of the response information in the transmission process are guaranteed.

Provided herein are techniques to facilitate multiple sessions for a wireless device with a mobile core network via a trusted WLAN. In one example, a method may include obtaining, by an interworking function of a WLAN, an indication that a wireless device seeks to establish a session with the mobile core network, wherein the indication comprises first parameters associated with the session. The method may further include upon identifying, by the interworking function, that the first parameters match a route selection rule of a plurality of route selection rules for the wireless device, facilitating establishment of the session with the mobile core network based on the first parameters. In one instance, the wireless device is not capable of Non-Access-Stratum (NAS) signaling with the mobile core network via the WLAN.

A communication method and a related apparatus are provided, relate to the field of communication technologies, and may be applied to a wireless local area network system that supports 802.11 series protocols such as a next-generation Wi-Fi protocol of IEEE 802.11ax, like 802.11be, Wi-Fi 7, or EHT, and a next generation of 802.11be, like Wi-Fi 8, UHR, or Wi-Fi AI. A first AP generates and sends a first communication frame, and a first non-AP STA receives and parses the first communication frame. The first communication frame includes first information and second information, the first information indicates first time information corresponding to the first AP, and the second information indicates an offset between the first time information and start time of an RTWT SP of a second AP. According to the method, the start time of the RTWT SP of the second AP can be determined.

Embodiments of the invention provide methods and devices for restricted target awake time (R-TWT) operation for latency sensitive traffic in a WLAN. The method carried out by an Access Point (AP) in an AP MLD comprises: sending a first response to a first station (STA) in a non-AP MLD the first STA to map at least one Traffic Identifier (TID) for latency sensitive traffic to at least one link set up between the AP MLD and the non-AP MLD, wherein the AP MLD comprises a plurality of APs and the non-AP MLD comprises a plurality of non-AP STAs, and sending a R-TWT response to the first STA to set up R-TWT agreement on any one or more of the at least one link to which the at least one TID for latency sensitive traffic has been mapped.

A method performed by a network entity includes receiving a first instruction element (IE) indicating an identity of a wireless device and receiving a second IE indicating an action to buffer data intended for the wireless device, buffering the data intended for the wireless device, receiving a third IE indicating the identity of the wireless device and receiving a fourth IE indicating an action to stop buffering data and release the buffered data intended for the wireless device. The network entity then may transmit at least a portion of the buffered data to the wireless device.