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250 results about "Wifi network" patented technology

A Wi-Fi® or WiFi® network is the most familiar type of wireless network used to connect computers and share online access at home or at the office.

Low-power-consumption communication method and system based on 5GRedcap portable WiFi network

The invention provides a low-power-consumption communication method and system based on a 5GRedCap portable WiFi network, and relates to the technical field of low-power-consumption communication, and the method comprises the steps: carrying out the adaptive control of a DRX period predicted according to WiFi access flow, setting the wake-up control of a RedCap communication terminal module, setting the adaptive switching of a bandwidth part, and setting the switching operation of a cellular communication system. By introducing a DRX cycle adaptive control mechanism based on WiFi access flow prediction and an intelligent wake-up strategy of uplink and downlink linkage into a 5G RedCap communication terminal module, the DRX sleep and wake-up cycle can be dynamically adjusted according to the actual service load state, the power consumption during the idle period of the terminal is effectively reduced, the energy waste caused by frequent wake-up is avoided, and the user experience is improved. And precise energy-saving management of the honeycomb side is realized.
Owner:SHENZHEN ZHIHUA ZIFENG TECHNOLOGY CO LTD

Data transmission method, system and device based on portable WiFi network

The invention relates to the technical field of wireless communication and data transmission, in particular to a data transmission method, system and device based on a portable WiFi network. The method comprises the following steps: acquiring initial multipath channel signal data; performing channel feature extraction on the initial multipath channel signal data to obtain antenna channel feature data; performing phased-array antenna beam calculation on the antenna channel characteristic data to obtain an antenna initial beam directional diagram; performing spatial filter interference suppression on the antenna initial beam directional diagram to obtain antenna optimization beam form data; performing digital beam forming on the antenna optimization beam form data to obtain antenna beam configuration parameters; performing network topology node analysis on the antenna beam configuration parameters to obtain a portable WiFi node distribution diagram; and carrying out improved on-demand routing calculation on the carry-on WiFi node distribution map to obtain an initial routing topological structure. According to the invention, the reliability of portable WiFi network data transmission is improved.
Owner:YILIAN TECH (SHENZHEN) CO LTD

Systems and methods for tracking, accessing and merging protected health information

A protected health information (PHI) service is provided which de-identifies medical study data (e.g., digital imaging and communications in medicine (DICOM) study data) and allows medical providers to control PHI data, and uploads the de-identified data to a remote service system. The PHI service, or an associated service, hosted within an organization performing scans, maintains a database of personally identifiable information, and enables the user to access PHI without having to establish a connection to a virtual private network or WiFi network of the medical service provider. The system also increases the speed, efficiency and flexibility of the technology of medical imaging and analysis over computer networks by correlating unique identifiers in the PHI Service in order to accept DICOM study data over time, and track and retrieve what PHI data has changed regardless of the chronological order in which it was received.
Owner:ARTERYS INC

Systems and methods for network topology configuration and management

Disclosed are systems and methods that provide a decision-intelligence (DI)-based, computerized framework for automatically and dynamically determining a quantity and positioning of APs within a location, for which an optimized WiFi network can be realized. The disclosed framework can operate by determining a floor plan / layout of a location using tracked and analyzed channel metrics from the various WiFi devices in the location. Based upon the computational analysis of such metrics, the framework can identify the ideal spots for signal coverage, detect weak / dead spots for signal coverage, close the coverage hole gaps in the house, and the like. Thus, the network topology of a WiFi network, inclusive of the number of nodes in the topology, as well as the quantity of nodes, can be determined, configured and applied to a location, which can control how a location's network operates.
Owner:PLUME DESIGN INC

High-performance communication method and system based on 5G portable WiFi network

The invention discloses a high-performance communication method and system based on a 5G portable WiFi network, and relates to the technical field of monitoring analysis, and the method comprises the steps: carrying out the multi-dimensional signal parameter collection of a current communication environment, obtaining the real-time environment data corresponding to the current communication environment, and constructing a communication environment topology model based on the real-time environment data; performing performance bottleneck analysis on the communication environment topology model, extracting feature data according to the result of the performance bottleneck analysis, performing dynamic allocation on the 5G RedCap carry-on WiFi network according to the feature data and the real-time environment data to obtain a resource allocation optimization scheme, and performing transmission link establishment on the 5G RedCap carry-on WiFi network based on the resource allocation optimization scheme. The transmission link quality is monitored in real time, link performance indexes are obtained, and network transmission parameters are optimized according to the link performance indexes and the communication environment topology model; and an optimization result is sent to the terminal equipment so as to execute high-performance data transmission based on 5G RedCap portable WiFi. The application has the effect of improving the communication quality.
Owner:SHENZHEN ZHIHUA ZIFENG TECHNOLOGY CO LTD

Industrial edge computing gateway system based on Internet of Things and implementation method

The invention discloses an industrial edge computing gateway system based on the Internet of Things and an implementation method. The edge gateways are in communication connection, work data of at least one connected device and / or other edge gateways are obtained, and the work data represent data generated or obtained by the connected device in work; performing data fusion processing analysis on the working data; the router realizes communication between the server and the edge gateway through WiFi to upload the working data and / or a processing analysis result of the working data; and the management terminal configures all built-in parameters of the edge gateway and the subordinate industrial equipment or sensor equipment thereof, wherein the built-in parameters comprise parameter configuration required by network connection of the edge gateway. According to the scheme of the invention, northbound communication between the edge gateway and the server is realized based on the WiFi network, and networking is carried out between different edge gateways for mutual communication; fusion calculation is achieved in the edge gateway, an emergency processing mechanism is achieved on the edge side, and the problems of data processing and compatibility existing in an existing industrial gateway system are solved.
Owner:GUANGDONG ISOFTSTONE IND INTERNET TECHNOLOGY INNOVATION RESEARCH INSTITUTE CO LTD +1

Call service switching method and apparatus

PCT designated stageWO2025161962A1Wireless communicationComputer networkWifi network
The present application provides a call service switching method and apparatus. The method comprises: determining a dual-SIM frequency band combination of a dual-SIM card device as a DSDS mode; determining that at least one of two SIM cards supports a VoWiFi service and a preference setting of the SIM card is mobile network priority or auto mode; and if the network signal strength of the current environment satisfies a WiFi switching threshold in a switching strategy (i.e., a second switching strategy) corresponding to WiFi priority, controlling the SIM card to switch to the VoWiFi service. In this way, the SIM card uses a WiFi network to carry a call service, without occupying radio frequency resources, and the other SIM card can normally use radio frequency resources. Hence, according to the solution, in a scenario in which the current environment is covered by the WiFi network, the SIM card supporting the VoWiFi service is directly controlled to switch to the VoWiFi service, without occupying radio frequency resources, and thus the other SIM card can normally use radio frequency resource, thereby solving the problem that when one SIM card is handling a call service in a DSDS mode, the other SIM card cannot use radio frequency resources.
Owner:HONOR DEVICE CO LTD

WiFi network connection method, electronic equipment, system and readable storage medium

The invention discloses a WiFi network connection method, electronic equipment, a WiFi network connection system and a readable storage medium, and belongs to the technical field of terminals. The method comprises the steps that when the distance between first electronic equipment and second electronic equipment is smaller than a first distance, near field communication is established between the first electronic equipment and the second electronic equipment, WiFi connection information sent by the second electronic equipment through the near field communication is received, a first prompt message is displayed, the first electronic equipment and the second electronic equipment log in the same equipment account, and the first electronic equipment and the second electronic equipment log in the same equipment account. The second electronic equipment is connected with the WiFi network, the first prompt message is not displayed under the condition that the distance between the first electronic equipment and the second electronic equipment is smaller than the second distance and larger than or equal to the first distance, and the first distance is smaller than the second distance. And after the connection operation is received, connecting the WiFi network based on the WiFi connection information. Thus, the WiFi connection information is shared through near field communication, and even if the first electronic equipment is not connected with the network, the first electronic equipment can be quickly connected with the WiFi network.
Owner:HONOR DEVICE CO LTD

Virtual private network communication system and method based on 5G terminal

The invention provides a virtual private network communication system and method based on a 5G terminal, and the system comprises the 5G terminal which is connected with 5G and WIFI double links at the same time, and builds a virtual private network for a user through a vxlan virtual network; the network branch detection and analysis system is used for detecting network state information of the 5G network and the WIFI network; the link control system is used for controlling the priority of an input end link according to the network state information and controlling and distributing the flow of the link; the vxlan virtual network management system is used for configuring and managing the information of the vxlan virtual network; under the clamping of multiple links of the terminal, the transmission path is dynamically adjusted, the communication performance is exerted to the maximum extent, better network service quality is provided for more access users under the terminal, and therefore clients are helped to construct a reliable, flexible and easy-to-maintain virtual private communication network.
Owner:LIERDA SCI & TECH GRP

Communication network switching method and device, computer equipment and storage medium

The invention relates to the technical field of mobile communication, in particular to a communication network switching method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring wireless local area WiFi network signal strength and long term evolution LTE network signal strength of a target terminal; performing signal prediction according to the WiFi network signal strength and the LTE network signal strength based on a signal strength prediction model to obtain a new wireless NR network signal strength; and performing communication network switching on the target terminal according to the LTE network signal strength and the NR network signal strength. According to the invention, the communication network switching of the target terminal can be realized according to the actual conditions of the LTE network signal strength and the NR network signal strength, the situation that the communication network is frequently switched when the target terminal receives the WiFi network signal, the LTE network signal and the NR network signal at the same time is prevented, the stable switching of the communication network of the target terminal is ensured, and the user experience is improved. And the communication quality of the user is ensured not to be influenced by frequent switching of the communication network.
Owner:CHINA TELECOM CORP LTD TECHNOLOGY INNOVATION CENTER +1

Wireless sensing method based on WiFi multi-carrier

The invention discloses a wireless sensing method based on WiFi multiple carriers, and belongs to the field of wireless sensing. The method comprises the following steps: selecting three subcarriers with equal frequency difference from acquired CSI data, and dividing the first two subcarriers and the last two subcarriers into two pairs according to the sequence of the frequencies from small to large; calculating the ratio of the CSI of each pair of subcarriers; performing primary division operation on the two ratios, and calculating the ratio of the two ratios to obtain a multicarrier secondary ratio; and constructing a mapping relation between the multicarrier quadratic ratio and a reflection path length change caused by the target motion to obtain a human body motion sensing result. In order to solve the problems of amplitude hopping and random phase deviation in actual channel state information collected on a single-antenna and multi-antenna wireless sensing system with separated receiving and transmitting, fine-grained subcarrier information provided by a new-generation WiFi network card is used, and two-time division operation is carried out, so that the channel state information is obtained. And the influence of gain control and phase deviation is eliminated, so that ideal CSI is obtained for wireless sensing.
Owner:PEKING UNIV

WIFI network access method and device, equipment and storage medium

The invention provides a WIFI network access method and device, equipment and a storage medium. The method comprises the following steps: determining each WIFI access point which can be accessed by terminal equipment; determining a target WIFI access point according to the position information of the terminal equipment and the network quality coverage map corresponding to each WIFI access point, and accessing the target WIFI access point; the network quality coverage map is used for representing network quality information of a WIFI network corresponding to the WIFI access point at each position point in a coverage range; the target WIFI access point is the WIFI access point with the highest network quality information under the position information of the terminal equipment; the network quality coverage map is determined by the WIFI access point according to the network quality data uploaded by the plurality of historically accessed terminal devices and the position of the WIFI access point, and the network quality data uploaded by the terminal devices can cover information such as shielding and interference in the WIFI network coverage range. The determined network quality coverage map can reflect the actual condition of the network quality, so that the WIFI network with the optimal current network quality can be accurately accessed.
Owner:SHANDONG SENTER ELECTRONICS

Emergency communication system based on new-generation AIS and multimode communication fusion terminal

The invention discloses an emergency communication system based on a new-generation AIS and multi-mode communication fusion terminal. The emergency communication system comprises the new-generation AIS and multi-mode communication fusion terminal, and an AIS system, a Beidou system, an offshore broadband system and a VHF system which are connected with the new-generation AIS and multi-mode communication fusion terminal. The fusion terminal based on the new-generation AIS and the multimode communication comprises a main panel, the main panel is connected with a radio frequency module which is used for realizing mobile communication and WIFI network coverage of a ship and a surrounding weak signal area, a converged communication processing module which is in butt joint with each shipborne device to realize multimode communication, a display screen which is used for realizing data display and a loudspeaker which is used for realizing voice broadcast. According to the invention, an efficient and reliable communication solution can be provided for marine safety of ships and sailors, so that the marine data communication capability and the efficiency and success rate of accident help seeking are improved.
Owner:FISHERY ENG RES INST CHINESE ACAD OF FISHERY SCI +1

Equipment remote operation and maintenance method, system and device based on status code reporting and medium

The invention discloses an equipment remote operation and maintenance method, system and device based on status code reporting and a medium, status information generated in an equipment operation process is stored in a local database built in the equipment, and the status information comprises a status code and current network information; when network communication is normal, uploading the state information in the local database to an operation and maintenance server through a network; and when the network communication is abnormal, setting a country code according to the position of the equipment, starting a seed card prefabricated in the equipment based on the country code to form a seed card network, establishing network connection between the equipment and the operation and maintenance server through the seed card network, and uploading the state information to the operation and maintenance server. The method is particularly suitable for the scene that the device is used in multiple countries in the world, when the position where the device is located cannot be connected with the WIFI network or the cloud card network, the seed card network is built through the multiple prefabricated seed cards with the transnational roaming capacity, and the network communication environment of the device is recovered in time.
Owner:SHANGHAI TUGE DATA TECH CO LTD

Systems and methods for a cloud-orchestrated ai / ML execution platform

Disclosed are computerized systems and methods for a highly scalable, cloud-based AI / ML execution platform. The disclosed systems and methods provide a computerized framework that can generate and execute AI / ML models that provide agile, real-time predictions that can facilitate, cause and / or provide instructions for high-fidelity, real-time management of a multitude of cloud-based WiFi network locations, inclusive of the access points and / or user equipment operating therefrom / therein. The framework can cause a ML model to be trained that is then executed to generate a location-specific AI model that can then be executed to predict how a network can and / or should be configured based on current characteristics at the location, which can then be managed and put into place on at the location via the framework.
Owner:PLUME DESIGN INC

Video pushing method and system based on vehicle and storage medium

The invention discloses a vehicle-based video pushing method and system and a storage medium, and belongs to the technical field of data processing. When the vehicle accesses the WiFi network, the server obtains an interest tag of a driver of the vehicle; the server searches for a push video matched with the interest tag in a network video library, and pushes a video clip of a predetermined duration in the push video to the vehicle through a WiFi network; the vehicle obtains vehicle state information, environment information and driver state information, and generates a safety level according to the vehicle state information, the environment information and the driver state information; the vehicle obtains visual attention information and user interaction behavior information, and an attention weight is generated according to the visual attention information and the user interaction behavior information; and the vehicle determines a playing mode according to the safety level and the attention weight, and controls playing of the video clip according to the playing mode. According to the invention, the video is pushed in advance when the WiFi is accessed, the pushing flow is saved, and the driving safety and the watching experience can also be considered.
Owner:ZERON AUTOMOBILE TECHNOLOGY CO LTD

Intelligent LED lamp control system

The invention relates to the technical field of LED lamp control, and discloses an intelligent LED lamp control system which comprises an LED lamp controller. The LED lamp controller comprises a main control chip module which is responsible for receiving and processing signals from each module and controlling the working state of an LED lamp; the BLE module supports a Bluetooth low energy consumption protocol, is in wireless connection with the smart phone and the tablet equipment, and receives a control command; the 2.4 G wireless module adopts a 2.4 GHz wireless communication technology, communicates with a remote controller, receives a signal and adjusts the LED lamp; and a USB interface module. According to the intelligent LED lamp control system provided by the invention, the BLE module, the 2.4 G wireless module, the USB interface module and the WiFi module are integrated, Bluetooth connection with intelligent mobile phone equipment, 2.4 GHz frequency band remote controller communication, USB connection with computer equipment and remote control and cloud management realized through a WiFi network are respectively supported, and a user can realize remote control and cloud management according to different environment and scene requirements. And the most appropriate control mode is selected.
Owner:SHENZHEN SPERLL OPTOELECTRONIC CO LTD

Portal authentication page intelligent detection method and device, equipment and medium

The invention discloses an intelligent detection method, device and equipment for a Portal authentication page and a medium, and relates to the technical field of Portal authentication, and the method comprises the steps: a relay device is connected to a target WiFi network, and then sequentially initiates an HTTP request to at least two reference detection URLs belonging to different service providers; analyzing an HTTP response state code of each request, and if the state code is a state code indicating redirection, judging that a Portal authentication page exists and extracting a jump address from a response head; if the status code is a successful status code but the response content is not matched with a preset successful identifier, analyzing the HTML content of the response, searching and extracting the URL indicated by the embedded jump instruction, and if the extraction is successful, judging that a Portal authentication page exists; and displaying the obtained Portal authentication page address to a user through a Web management interface of the relay equipment. According to the method, multi-source detection and multi-layer analysis are implemented on the relay equipment side, the detection compatibility and reliability are remarkably improved, and a unified network side interaction entrance is provided to ensure that a user can reliably complete authentication.
Owner:SHENZHEN GUANGLIANZHITONG TECH CO LTD

Terminal network distribution system and method

The invention discloses a terminal network distribution system and method, and belongs to the technical field of smart home. The system comprises a terminal and a control terminal. The terminal is used for continuously sending Bluetooth broadcast data after being powered on, and the Bluetooth broadcast data carries a first encrypted message; the control end is used for obtaining a second encrypted message after receiving the Bluetooth broadcast data, and the second encrypted message is generated in response to successful decryption of the first encrypted message; and the terminal is also used for establishing a Bluetooth connection with the control end after receiving the second encrypted message and successfully decrypting the second encrypted message, so as to access the WIFI network through the control end. According to the invention, the terminal continuously sends the Bluetooth broadcast data after being electrified, so that the terminal can automatically enter the network distribution state to continuously send the Bluetooth broadcast data without actively controlling the terminal by a user, and the user experience in the network distribution process of the terminal is improved.
Owner:HISENSE HOME APPLIANCES GRP CO LTD

A multi-functional portable WIFI

The present invention discloses a multi-functional portable WIFI, comprising: a carrying frame and a connection frame; a portable WIFI component, disposed inside the carrying frame and used to provide a WIFI network for users; a backup power supply component, disposed inside the connection frame and used to provide a backup power supply for the portable WIFI component; a manual power generation component, disposed inside the connection frame and used to supply power to the backup power supply component manually. The present invention obtains and stores electric energy through manual power generation by the manual power generation component, obtains filtered clean water through the water purification component to solve the water source problem, forms an arc to generate high temperature to heat an object to obtain a fire source by energizing the arc ignition head, converts light energy into electric energy and stores it through the solar panel, provides two power supply methods to improve the applicable range of the device, so as to effectively help users in distress to obtain clean water source, obtain a fire source and obtain electric energy.
Owner:杭州可当科技有限公司

WiFi (Wireless Fidelity) connection method and system of screen-free equipment, terminal equipment and medium

The invention discloses a WiFi connection method and system of a non-screen device, a terminal device and a medium, and relates to the technical field of device network distribution. The method comprises the steps that the method is applied to WiFi distribution network control equipment, and after the non-screen equipment is started, a bidirectional data interaction channel supporting instruction transmission and function calling between the WiFi distribution network control equipment and the non-screen equipment is established through a debugging tool matched with an operating system to which the non-screen equipment belongs; calling a preset WiFi network distribution tool integrated in the non-screen equipment through the channel; based on a guide type interaction instruction output by the tool, sequentially sending connection parameter information, and controlling the non-screen equipment to complete authentication connection with the target WiFi network; and in the channel connection state, sending a network connectivity verification instruction, and judging whether the WiFi network is successfully accessed according to a feedback result of the non-screen equipment. According to the invention, the problem that the WiFi connection of the existing non-screen equipment needs an additional screen or hardware is solved, a more accurate and efficient connection method is provided, and the WiFi connection requirement of the non-screen equipment is met.
Owner:深圳开鸿数字产业发展有限公司

Call routing method, system, electronic device and readable storage medium

The application discloses a call routing method and system, an electronic device and a readable storage medium. The method comprises the following steps: a service call session control function (S-CSCF) network element receives a call request message initiated by a calling terminal, wherein the call request message carries a called number of a called terminal; in the case that it is determined that a target network in which the called terminal is located is a WIFI network, the call request message is sent to the called terminal through an interconnection session border controller (ISBC) and an access side proxy server; wherein the called terminal is in communication connection with the access side proxy server through the WIFI network, and the access side proxy server is in communication connection with the ISBC.
Owner:CHINA MOBILE GROUP SHANDONG +1

Intelligent hardware equipment network distribution method and device based on Wi-Fi promiscuous mode

The invention discloses an intelligent hardware equipment network distribution method and device based on a Wi-Fi promiscuous mode, and is applied to the technical field of data processing. Intelligent hardware equipment presets a WiFi decryption rule agreed with a mobile phone APP, automatically enters the WiFi promiscuous mode when power is on and network distribution is not carried out, and prestores an intelligent hardware equipment identifier and cloud communication parameters; wiFi data frames conforming to a frequency band are received in a promiscuous mode, and effective data packets are filtered and screened according to rules; extracting a payload part, verifying the payload part, decrypting the payload part to obtain an SSID (Service Set Identifier) and a password of the target WiFi, and switching to a Station mode; processing the decryption information to generate connection scene information, and further generating connection operation information; and converting into an actual connection action, adapting to the attribute of the router, and generating related parameter information, so that the intelligent hardware equipment successfully accesses the target WiFi network.
Owner:XIAMEN RGBLINK SCI & TECH CO LTD

Data transmission method and system based on portable WiFi network

The invention discloses a data transmission method and system based on a portable WiFi network, and belongs to the technical field of network data transmission. The method and the device are used for solving the technical problem that the real-time operation effect of a data transmission scheme of a portable WiFi network cannot be supervised, analyzed and dynamically managed in different dimensions in the existing scheme. The method comprises the following steps: identifying and analyzing a transmission data type when a portable WiFi network request is used, supervising and analyzing data transmission requirements in different aspects on a data transmission scheme corresponding to the transmission data type determined by analysis, and dynamically managing adjustment of a data transmission strengthening scheme corresponding to the transmission data type in a self-adaptive manner according to an analysis result; and performing integration calculation on all historical option confirmation data of the individual user corresponding to different transmission data types, analyzing and determining user preference states of data transmission enhancement scheme adjustment corresponding to the different transmission data types, and performing autonomous management and control on the data transmission enhancement scheme adjustment corresponding to the different transmission data types.
Owner:SHANSHENG TECHNOLOGY (BEIJING) CO LTD

Device network configuration method and apparatus, gateway, and medium

Embodiments of the present disclosure relate to a device network configuration method and apparatus, a device and a medium, wherein the method comprises applying to a gateway, the gateway supporting Bluetooth Low Energy (BLE) protocol and Zigbee protocol; the method comprises: in the case of having established a BLE communication connection with a target device, sending a network configuration instruction carrying Zigbee network information to the target device through a BLE network, so that the target device accesses a Zigbee network based on the Zigbee network information; wherein the target device supports the BLE protocol and the Zigbee protocol; obtaining and storing device information of the target device through the Zigbee network; in response to receiving a network configuration instruction carrying wireless fidelity (WIFI) network information sent by a user device, communicating with a server based on the WIFI network information, sending the device information of the target device to the server, so that the server associates the target device with the gateway and the user device, and sends the device information to the user device. The embodiments of the present disclosure make the device network configuration operation of the user more simple and convenient, and can effectively improve the user experience.
Owner:MIDEA INTELLIGENT LIGHTING & CONTROLS TECHNOLOGY CO LTD

Portable WIFI (YM-M03S)

ActiveCN309716620SAccess networkWifi network
1. The name of the design product: WIFI (YM-M03S). 2. The use of the design product: for providing WIFI network hotspot access, network communication, etc. for multiple mobile communication devices (such as mobile phones, tablets, etc.). 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:HENAN YIMING TECH CO LTD

Underground structure for enhancing WiFi signal of stadium

The utility model relates to an underground structure for enhancing WiFi (Wireless Fidelity) signals of a stadium, which comprises an annular underground pipeline arranged below a plastic runway of the stadium and surrounding the plastic runway for a circle; the WiFi coverage well lids are arranged on the underground pipeline at intervals, and the WiFi coverage well lids are arranged on the underground pipeline at intervals; the WiFi coverage well lid comprises a well lid body. The WiFi signal receiving and transmitting module is arranged at the center of the bottom of the well lid body; and the glass cover plate is arranged in the center of the top of the well lid body, and the glass cover plate is located over the WiFi signal receiving and transmitting module. A WiFi signal is transmitted into the underground pipeline 10 through the WiFi signal receiving and transmitting module arranged in the WiFi covering well lid on the underground pipeline and is dispersed around the plastic runway by a circle, stable and efficient WiFi network service is provided for lawn areas and audience stations on the two sides of the plastic runway, and the communication requirements of various competition and activity personnel are met.
Owner:CHINA CONSTR EIGHTH ENG BUREAU TECH CONSTR CO LTD

Content downloading method and device and related product

The invention discloses a content downloading method and device and a related product. Evaluating the wifi network card link and the cellular network card link to obtain a first link quality score corresponding to the wifi network card link and a second link quality score corresponding to the cellular network card link; according to the first link quality score and the second link quality score, distributing a first sub-content size in the content size to a wifi network card link, and distributing a second sub-content size in the content size to a cellular network card link; and downloading the size of the first sub-content through the wifi network card link to obtain the first sub-content in the to-be-downloaded content, and downloading the size of the second sub-content through the cellular network card link to obtain the second sub-content in the to-be-downloaded content. Therefore, the downloaded content can be obtained without waiting for all the network cards to download the content, so that the content downloading performance is improved.
Owner:TENCENT TECH SHANGHAI

WiFi network digital down-conversion system

The invention provides a WiFi network digital down-conversion system which comprises a multi-phase mixer and a resampling filter. The multi-phase mixer is used for converting a high-speed digital band-pass signal into a low-speed mode so as to realize digital down-conversion (DDC) on an FPGA (Field Programmable Gate Array) platform; and the resampling filter is used for reducing the sampling rate and removing unwanted frequency spectrum components to generate a complex baseband frequency spectrum. The multi-phase mixer PM of the present invention employs a parallel coordinate rotation digital computer (CORDIC) processor and a low pass filter array to reduce high speed data rates while minimizing resource utilization. The resampling filter comprises a cascade integral combination (CIC) filter and a multi-channel pulse finite impulse response (FIR) filter, optimal hardware cost is achieved, a floating point data type is converted into a fixed point data type, and resources are remarkably saved.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY +1

Emergency rescue button (circular)

1. Name of the product in this design: Emergency Rescue Button (Circular). 2. Purpose of this design: To send emergency help signals via phone, SMS, or APP to preset contacts through WiFi network, ensuring that relevant personnel are informed of the danger in a timely manner. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
Owner:陈文理