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99 results about "Mobile internet" patented technology

Mobile edge computing task unloading and resource allocation method in unmanned aerial vehicle assisted wireless optical communication

The invention belongs to the technical field of wireless optical communication, and particularly relates to a mobile edge computing task unloading and resource allocation method in wireless optical communication assisted by an unmanned aerial vehicle. According to the method, the data model, the queue model and the communication model are constructed, a task unloading strategy is optimized, and efficient and low-power-consumption edge computing resource allocation is achieved; an optimization technology is adopted to decompose a long-term optimization problem into sub-problems of each time slot, and the sub-problems are solved through a continuous convex approximation algorithm and a BFGS algorithm; finally, joint optimization of task unloading, computing resources, transmitting power, task return transmitting power, time slot scheduling and UAV trajectory is realized, and an optimization framework with more fine granularity in multi-dimensional allocation is formed. The characteristics of flexibility of the unmanned aerial vehicle and high bandwidth of wireless optical communication are utilized, the long-term throughput of the system is improved, the long-term power consumption of Internet of Things equipment is reduced, the high real-time performance of task processing is ensured, and the method is suitable for outdoor mobile Internet of Things application scenes with strict requirements for low power consumption and high real-time performance.
Owner:FUDAN UNIVERSITY

Road and bridge engineering quality supervision method and system based on mobile internet multi-terminal cooperation

The invention relates to a road and bridge engineering quality supervision method and system based on mobile internet multi-terminal cooperation. The method comprises the following steps: generating a space-time composite label by fusing engineering data collected by a mobile terminal, a Beidou time service signal, multi-source positioning information and BIM component characteristics; dynamic drift compensation is carried out on the digital twin model by utilizing the attenuation characteristic of the material, and position deviation caused by long-period construction is eliminated; intelligent arbitration of multi-terminal operation conflicts is realized based on space-time overlap analysis; generating a lightweight incremental data packet according to the change priority; and finally, synchronously generating a visual supervision interface fusing the BIM model, the quality anomaly annotation and the drift thermodynamic diagram at a mobile terminal, a PC terminal and a large screen terminal through a multi-resolution rendering engine. According to the invention, three core problems in the prior art that the positions of the model and the entity are mismatched, multi-terminal collaborative conflicts frequently occur and the visualization efficiency of heterogeneous equipment is low are solved, and the accuracy, the collaboration and the decision-making efficiency of road and bridge engineering quality supervision are remarkably improved.
Owner:段文

Remote merchant inspection method

The invention discloses a remote merchant inspection method, which belongs to the technical field of mobile internet, and comprises the following steps: obtaining and analyzing an inspection task package to be audited, splitting data, then carrying out relevance verification, and screening out space-time abnormal data; identifying an image scene and calling a corresponding exclusive model, and triggering cascade calling when multiple scene features exist; extracting image feature detection quality and compliance, and fusing scores to generate a result; manual auditing is pushed according to the priority, and difference information is recorded; integrating the multi-dimensional score, outputting a result, and synchronizing the result to a risk control system; collecting samples every day, and updating the model regularly; traditional manual in-shop inspection is replaced by remote data analysis and relevance verification, the manpower and travel cost in a cross-regional and high-frequency scene is greatly reduced, time-consuming links such as shift arrangement and road are omitted, the inspection efficiency is remarkably improved, and by means of multi-dimensional data relevance verification, scene AI quality inspection and double-layer priority auditing, the inspection efficiency is greatly improved. And the problems of on-site picture counterfeiting, missing shooting and the like are effectively avoided.
Owner:SHAANXI PUSI INFORMATION TECHNOLOGY CO LTD

Heterogeneous network space multi-level mobile Internet of Things cloud system based on artificial intelligence

The invention relates to the technical field of mobile communication and Internet of Things, and discloses a heterogeneous network space multi-level mobile Internet of Things cloud system based on artificial intelligence, which comprises a data acquisition module for acquiring real-time state data of a mobile Internet of Things terminal and generating a standardized network-service joint situation vector; the endogenous interference sensing module is used for generating a network interference association diagram based on the vector; the service-network dynamic decoupling module is used for reversely reconstructing terminal service characteristics according to the association diagram and decoupling a key network state sequence; the business intention abstraction module constructs a heterogeneous network cooperation state target according to the sequence; the collaborative scheduling strategy generation module is used for generating a multi-dimensional collaborative scheduling instruction by using a collaborative decision model; the network resource self-growing module is used for performing state sequence evolution after the rehearsal instruction and constructing a compensation network plane; and the instruction distribution and verification module is used for executing the instruction of the fusion compensation logic and updating the association diagram. According to the method, the problems of heterogeneous network interference and scheduling lag of the mobile Internet of Things are effectively solved.
Owner:HEBEI LESHU HUIQUAN ELECTRONIC TECH CO LTD

A hospital mobile internet message push system based on WeChat service accounts

This invention discloses a hospital mobile internet message push system based on a WeChat service account, relating to the field of mobile internet technology. A data entry and collection module is responsible for entering the current patient's medical records and obtaining the patient's past medical records. An evaluation message push update frequency unit calculates and outputs the current update frequency GP. A message push priority measurement unit calculates and outputs the push priority YJ. An update frequency push adjustment unit receives the update frequency GP and push priority YJ as inputs and calculates and outputs an adjustment coefficient GT. An execution push adjustment module adjusts the message push according to the adjustment coefficient GT. A blockchain node module runs, stores, and verifies the data entered, calculated, pushed, and updated on each node of the blockchain. This invention, by combining blockchain technology, realizes real-time updates of patient health data, priority calculation of message pushes, and dynamic adjustment of blockchain message verification and update frequency.
Owner:SAIOU (SHANDONG) HOLDING GROUP CO LTD

H5 service long-acting touch method and system based on enterprise WeChat plug-in

The invention discloses an H5 service long-acting touch method and system based on an enterprise WeChat plug-in, and belongs to the technical field of mobile internet communication. The core of the method comprises the steps that a confirmation operation of a user on a temporary H5 service page is responded, the front end sends a request and closes the page after receiving a successful response, and the rear end calls an enterprise WeChat interface to send an initialization message, so that an independent and resident exclusive session entry is instantiated in the WeChat of the user. According to the invention, a bidirectional interaction closed loop is further constructed, and a user can directly return to an original service H5 page through clicking by sending a rich media service message which can be clicked and jumped to the entry, so that complete service circulation from a webpage to a session to a webpage is realized. According to the method, the problem of temporary and interactive fracture of the H5 service entry is solved, and long-acting and immersive access of the service instance is realized. And the control and reliability of the channel can be further enhanced through mechanisms such as message sending rule verification and asynchronous queues.
Owner:梧州市长洲区信安咨询中心(个体工商户)

Electronic security code terminal (4G vehicle-mounted multimedia Beidou positioning terminal)

1. The name of the design product: electronic security code terminal (4G vehicle-mounted multimedia Beidou positioning terminal). 2. The use of the design product: for single Beidou real-time satellite positioning, dynamic display of multimedia information such as pictures, two-dimensional codes, and texts, real-time voice broadcast, 4G mobile Internet communication, and vehicle-mounted Internet of Things terminal equipment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:SICHUAN HUANYU TIANXING TECH CO LTD

Hybrid level crossing ADC circuit applied to mobile Internet of Things

The invention discloses a hybrid level crossing analog-to-digital converter circuit integrating a successive approximation type analog-to-digital converter and an event-driven analog-to-digital converter. The circuit is composed of a level cross analog-to-digital conversion module LC ADC, a logic module LOGIC and a noise shaping successive approximation analog-to-digital converter module NSSAR ADC. The architecture effectively integrates the advantages of two converters, and has the characteristic of ultra-low power consumption of a level crossing analog-to-digital converter while keeping the high precision characteristic of a successive approximation type analog-to-digital converter. The level crossing analog-to-digital conversion module LC ADC does not participate in quantization of input signals and is only used as a pre-detection circuit of level crossing, and the noise shaping successive approximation analog-to-digital conversion module NSSAR ADC is used for completing signal processing actions such as comparison, quantization and output, so that the precision of the output signals is not restricted by the level crossing analog-to-digital conversion module LC ADC. The hybrid architecture can meet the requirements of low-power-consumption and high-precision acquisition of signals of the modern mobile Internet of Things.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Attendance checking method and device and computer equipment

The invention discloses an attendance checking method, an attendance checking device and computer equipment, and relates to the technical field of mobile internet location services. The method comprises the following steps: in response to a received attendance request initiated by a first terminal, obtaining a first signal list identified by the first terminal; determining an attendance reference signal list according to the first signal list; determining a similarity threshold according to the attendance reference signal list; receiving a sign-in request of a second terminal, and obtaining a second signal list identified by the second terminal; and determining a response result of the sign-in request according to the attendance reference signal list, the second signal list and the similarity threshold. By implementing the technical scheme disclosed by the embodiment of the invention, the attendance checking accuracy can be improved under the condition that an environment fingerprint database does not need to be deployed in advance.
Owner:SHANGHAI TBC EDUCATION DEV CO LTD

Method and system for intelligent monitoring of traffic packages based on mobile internet of things devices

The application relates to the technical field of wireless communication, and provides a traffic package intelligent monitoring method and system based on a movable Internet of Things device, which realizes real-time acquisition of mainboard reporting data through communication connection with the mainboard of the movable Internet of Things device, the mainboard reporting data being traffic use data reported by a SIM card to the mainboard of the movable Internet of Things device in real time, the SIM card being electrically connected with the mainboard of the movable Internet of Things device and being in communication connection with a server of a communication operator, real-time acquisition of SIM card reporting data, the SIM card reporting data being traffic use data reported by the SIM card to the server of the communication operator in real time, comparison of the mainboard reporting data and the SIM card reporting data, judgment of the connection state of the SIM card and the mainboard of the movable Internet of Things device according to a comparison result, monitoring whether a traffic package of the movable Internet of Things device is separated from traffic service provided by the movable Internet of Things device, automatic discovery of abnormal separation of the SIM card, and avoidance of loss of the traffic package use rights and interests of a package purchase user.
Owner:SHENZHEN XUNYOU ELECTRONIC TECH CO LTD

Video stream playing method and system, terminal and storage medium

The invention provides a video stream playing method and system, a terminal and a storage medium, and relates to the technical field of mobile Internet, and the method comprises the steps: obtaining the identification information of a target video and the equipment parameters of a user terminal, so as to select a playing code rate from a plurality of preset code rate gears; retrieving corresponding video stream data based on the identification information and the playing code rate of the target video, segmenting the video stream data to obtain a plurality of video fragment data, and pre-loading the video fragment data of a plurality of preset durations to a local buffer area of the user terminal; monitoring the current network transmission rate and the data volume of a local buffer area in real time to adjust the code rate gear of the playing code rate to obtain a code rate adjustment result; and when the video fragment data is read from the local buffer area for decoding and playing, dynamically switching the video streams with different code rates according to the code rate adjustment result for seamless playing. According to the scheme, the problem that the video playing stability is insufficient under the conditions of a complex network and heterogeneous equipment is solved.
Owner:BEIJING HUIZHONG ZHILIAN TECH CO LTD

App traffic anomaly detection method and system based on multi-scale time series

The application relates to an APP traffic anomaly detection method and system based on a multi-scale time sequence and belongs to the field of mobile internet traffic monitoring.The system comprises a traffic data acquisition module, a traffic data preprocessing module, a multi-scale time sequence decomposition module and an abnormal traffic detection module.The network traffic of a target APP is packet captured through the traffic data acquisition module, classified according to API calling, resource loading and advertisement request types, and the APP running state is recorded as context information; the traffic data acquisition module groups the collected traffic data according to scenes and extracts statistical features based on a set time window; the multi-scale time sequence decomposition module performs wavelet transformation and empirical mode decomposition on the feature vector sequence, extracts high-frequency components and low-frequency components of the traffic respectively, and captures short-term bursts and long-term trend changes.The application designs an abnormal detection method according to the APP traffic characteristics, and can more accurately detect APP traffic anomalies.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

High-quality vehicle-mounted audio and video call method and system based on mobile internet

The invention relates to the technical field of vehicle-mounted audio and video calls, in particular to a high-quality vehicle-mounted audio and video call method and system based on the mobile internet, and the method comprises the steps: estimating the masking degree of environmental noise to hearing through the relation between the noise and the vehicle speed and the vehicle window state in the vehicle driving process; obtaining the transmission link risk degree at each moment through the link original packet loss rate in network transmission; the audio coding degradation degree at each moment is used for representing the failure degree of sensing the high-frequency audio components by human ears in the in-vehicle noise environment; obtaining the error correction resource demand degree of each moment; generating a replacement state entering instruction; when the instruction of entering the replacement state is executed, the total available bandwidth margin is obtained; and determining the redundancy of the target forward error correction, and loading a redundancy packet corresponding to the redundancy to perform data transmission. The objective of the invention is to realize the optimal balance between subjective hearing and connection stability in a severe vehicle-mounted communication environment by improving the packet loss resistance and ensuring the continuity and stability of a call.
Owner:SHANGHAI SHENGWANG TECH CO LTD

Time backflow type digital memory presentation method

The invention provides a time backflow type digital memory presentation method, and relates to the technical field of mobile internet, and the method comprises the steps: obtaining a starting time point and an ending time point which represent a to-be-presented memory time range; calculating to obtain a total time difference through the starting time point and the ending time point; based on the total time difference, setting a total step number required for realizing the reverse animation and an execution interval of each step, and obtaining an animation progress parameter according to the total step number and the execution interval; the animation progress parameter is initialized, so that the animation progress parameter is linearly changed from an initial value to a final value in an animation execution process; when each step of the animation is executed, obtaining a current value of an animation progress parameter as input; and applying the input current value to a preset slow motion function for calculation so as to obtain a nonlinear progress parameter with an S-shaped change curve. According to the invention, immersion, emotional resonance and visual fluency of memory presentation are improved.
Owner:BEIJING DISCOVERY CORNER TECH CO LTD

Railway signal system mobile internet service continuity guarantee system supporting 5G and 4G dual-mode switching

The invention discloses a railway signal system mobile internet service continuity guarantee system supporting 5G and 4G dual-mode switching, which comprises a network state real-time monitoring unit used for collecting communication parameters of a 5G network and a 4G network in a target area in a railway signal system mobile internet scene, the communication parameters at least comprise 5G / 4G signal strength, network coverage and transmission delay; and the 5G-4G system switching control unit is electrically connected with the network state real-time monitoring unit and is used for receiving the communication parameters and generating a system switching instruction. According to the invention, by setting the network state real-time monitoring unit and the 5G-4G system switching control unit, an accurate dual-system switching mechanism is constructed, parameters such as signal strength, coverage, transmission delay and the like of 5G and 4G networks can be collected in real time, the switching instruction is generated based on the preset threshold value, automatic switching of 5G and 4G systems is realized, and the switching efficiency is improved. The mechanism can adapt to network coverage differences of different areas in a railway signal system mobile internet scene.
Owner:BEIJING DAOER TECH CO LTD

5G Portable Wireless WiFi Device (B51 Series C)

1. Name of the product in this design: 5G Wireless Portable WIFI Device (B51 Series C). 2. Purpose of this design: This design is intended to provide 5G mobile internet access services for terminal devices such as mobile phones, computers, and tablets. 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:SHENZHEN TONGHENG WEICHUANG TECH CO LTD

Serial number generation method and device, equipment, storage medium and product

The invention discloses a serial number generation method and device, equipment, a storage medium and a product, and relates to the technical field of big data, mobile internet and data processing. The method comprises the following steps: acquiring a geographic area identifier and a transmission scene identifier in response to a data transmission request; determining a database identifier according to the corresponding relationship; determining a data table identifier and serial number adjustment data corresponding to the transmission scene identifier according to the configuration file; a serial number generation request carrying the information is sent to a database server corresponding to the database identifier, so that the database server searches a data record corresponding to the geographic area identifier from a corresponding data table in a database, and a target serial number value is generated according to the serial number adjustment data and an original serial number value in the data record; and the target serial number value returned by the database server is received, and the response message is sent to the front-end equipment based on the value, so that the data storage management efficiency and the serial number generation flexibility, expandability and stability are improved.
Owner:CHINA CONSTRUCTION BANK +1

Mobile inter-operability gateway device including locator id separation protocol based communication of mobile internet protocol communication and related methods

A mobile inter-operability gateway device may include a processor and an associated memory. The processor may be configured to communicate, using a mobile internet protocol (MIP), with a MIP foreign agent device for communicating, using the MIP, with a mobile network host that communicates based upon the MIP and a Locator ID Separation Protocol (LISP). The processor may also be configured to translate between MIP and LISP communications, and communicate, using the LISP, with a LISP home agent device configured to communicate using the LISP.
Owner:L3HARRIS GLOBAL COMMUNICATIONS INC

Abnormal behavior collaborative screening method and system based on mobile internet

The application provides an abnormal behavior cooperative screening method and system based on a mobile internet, which comprises the following steps: receiving a first input of a user; generating a first rule in response to the first input and storing the first rule into a first database; obtaining harmful information from the mobile internet based on the first rule; extracting and cleaning based on the harmful information, generating abnormal behavior data, and storing the abnormal behavior data into a second database; receiving a second input of the user; obtaining target abnormal behavior information matched with the second input based on the first database and the second database in response to the second input; wherein the first input comprises an abnormal behavior characteristic identifier, the second input comprises the abnormal behavior characteristic identifier and a correlation, and the number of the first rule is one or more. The abnormal behavior cooperative screening method and system based on the mobile internet can improve the accuracy and comprehensiveness of the abnormal behavior data, and further improve the convenience of active retrieval.
Owner:WUHAN HONGXU INFORMATION TECH

Community elderly rehabilitation service platform system construction method based on Internet and cloud computing technology

The invention provides a community old people rehabilitation service platform system construction method based on the Internet and the cloud computing technology, and can establish an Internet + rehabilitation platform and a community old people rehabilitation service ecosphere based on the mobile Internet and the cloud computing technology. Patients are divided into multiple rehabilitation types according to demand information distribution intervals existing in community rehabilitation demands of old people, then a targeted rehabilitation scheme is generated based on the rehabilitation demands and individual characteristics of the old people, and dynamic adjustment is performed according to rehabilitation progress conditions of the old people. On-line virtual community communication between community rehabilitation elderly people and between the elderly people and medical care groups is constructed through the platform, and companion support and professional guidance are enhanced. Intelligent matching between the requirements of the old and rehabilitation services is achieved, the life quality and happiness of the old are improved through more effective rehabilitation services, and then healthy aging and development of work of healthy China are boosted. Belongs to the elderly rehabilitation service field.
Owner:AFFILIATED HOSPITAL OF ZUNYI UNIV

Portable wireless data transmission device (B59)

1. Name of the product subject to this design: Portable Wireless Data Transmission Device (B59). 2. Purpose of this design: This design is intended to provide mobile internet access services for terminal devices such as mobile phones, computers, and tablets. 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:SHENZHEN TONGHENG WEICHUANG TECH CO LTD

A mobile platform operation quality comprehensive evaluation method and system

PendingCN122453242AEvaluation resultPower grid
The application discloses a kind of mobile platform operation quality comprehensive evaluation method and system, belong to mobile internet operation management technical field, the method of the present application includes: the evaluation index system of four dimensions of user experience, platform performance, business operation, service compliance is built;Operation data is collected and is completed cleaning and standardization preprocessing;Combination weight of each index is calculated by fusing analytic hierarchy process and entropy weight method;The score of operation quality comprehensive evaluation and sub-item score are calculated;Grade division is completed and optimization improvement strategy is generated;Through new operation data, the closed-loop iterative update of evaluation model is realized;The application also provides corresponding execution system, solves the technical problems of single evaluation dimension, weight distortion, no closed-loop management and poor adaptability in the prior art, the evaluation result has high reliability and strong practicality, is suitable for general mobile platform, and can also meet the special evaluation needs of public service type mobile platform such as power grid service.
Owner:SHENZHEN COMTOP INFORMATION TECH

Multi-terminal data synchronization and secure storage method, device, program product and medium

ActiveCN121681488Bavoid duplicate transmissionReduce transmission overheadSpecial data processing applicationsFile system typesData synchronizationLearning data
A multi-terminal data synchronization and secure storage method, device, program product and medium, relating to the technical field of mobile Internet, by dividing learning data into dynamic interactive data and static resource data, and managing the change history of dynamic interactive data through version index tree, so that the system can accurately locate the data version that needs to be synchronized. When the second terminal requests data synchronization, the system only transmits the necessary target data, and realizes on-demand access of static resources through access token mechanism, avoiding repeated transmission of large resource files. This data classification and incremental synchronization based method significantly reduces network transmission overhead and improves the efficiency of multi-terminal data synchronization. At the same time, by separating the access control of static resource data and the synchronization transmission of dynamic interactive data, the safe use of electronic resources is guaranteed, and the needs of users to flexibly switch learning among multiple terminals are met.
Owner:QUANLIAN BOOK PUBLISHING & DISTRIBUTION CO LTD

Intelligent management system and method for border trade based on wechat applet

The application discloses a border trade intelligent management system and method based on a WeChat applet, relates to the field of mobile internet information technology, and comprises the following steps: in the vehicle entry identification link of the border trade intelligent management, continuous identification records of the vehicle centralized entry stage are collected, the same vehicle is arranged according to the time sequence, a vehicle identification time sequence is constructed, and adjacent identification time interval information corresponding to the vehicle identification time sequence is generated. The application constructs a vehicle identification time sequence and a rhythm change track, identifies a periodically repeated segment and locates a repeated measurement trigger time range, eliminates a fixed time difference repetition condition through time interval rearrangement and time compression adjustment, avoids repeated measurement, guarantees the authenticity and accuracy of transportation statistics, and improves the data consistency and supervision stability of the border trade.

Abnormal application detection method and device, equipment and storage medium

The invention provides an abnormal application detection method and device, equipment and a storage medium, and relates to the technical field of computer security, in particular to the fields of artificial intelligence, mobile internet security, malicious code analysis, software homology detection and the like. According to the specific implementation scheme, a configuration file of a to-be-recognized application is analyzed to obtain bottom-layer features, and the bottom-layer features are used for representing the essential and difficult-to-change deep-layer features of the to-be-recognized application; performing multi-view feature extraction of at least two dimensions on the bottom-layer features, and extracting structural features and semantic features from the multi-view features; the multi-view features are used for representing that the to-be-identified application is analyzed and described from a plurality of different dimensions or angles; according to the structural features and the semantic features, obtaining an application fingerprint used for identifying the identity of the to-be-identified application; and performing anomaly detection on the to-be-identified application according to the application fingerprint.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD +1

Method, device and storage medium for detecting internet harmful event

The application discloses an internet harmful event detection method, device and storage medium, constructs or updates a keyword knowledge graph, divides the knowledge graph into a plurality of subgraphs, clusters documents into harmful events by using a clustering algorithm, inserts each harmful event into a harmful story tree by updating each harmful event, or creates a new harmful story tree according to the harmful event, realizes harmful content detection and classification in mobile internet and internet, and the purpose is to find harmful events from massive webpage and document data, organizes harmful events in a reasonable harmful story tree in an online mode, proposes a two-layer webpage document clustering algorithm based on a knowledge graph, extracts harmful events from a large amount of webpage text or webpage related news, and organizes events into a story tree by using an online algorithm after new webpage and document data arrive, and is more effective than a traditional keyword-based harmful algorithm in the aspect of harmful event extraction.
Owner:ZHUHAI GAOLING INFORMATION TECH COLTD

Channel phase extraction method, system and equipment based on lead code symbol and pilot frequency symbol, and storage medium

PendingCN122001726AAccurate physical layer parametersReliable physical layer parametersFrequency-modulated carrier systemsSampling frequency offsetFrequency spectrum
The invention provides a channel phase extraction method, system and device based on a preamble symbol and a pilot symbol, and a storage medium, and relates to the technical field of wireless communication of the mobile Internet of Things. The method comprises the following steps: a receiver on a gateway receives a LoRa signal sent by a transmitter of a transmitting end node; the receiver determines carrier frequency offset and window time offset according to a lead code symbol and a start frame separator in the received LoRa signal; performing compensation on the received LoRa signal to eliminate phase offset caused by carrier frequency offset and window time offset; determining a sampling frequency offset according to a spectrum peak interval between adjacent lead code symbols in the compensated signal; and performing compensation on the compensated signal to eliminate phase offset caused by sampling frequency offset so as to obtain a re-compensated signal, and determining the channel phase of the channel of the LoRa signal according to the spectrum peak phase of a plurality of pilot symbols with known coding values in the re-compensated signal.
Owner:BEIJING CLOUD TECHNOLOGY R&D CENTER OF CHINA TELECOM CO LTD +1

Urban parking-oriented Internet of Things mobile charging system and dynamic pricing method

The invention belongs to the technical field of mobile Internet of Things, and particularly relates to an Internet of Things mobile charging system and a dynamic pricing method for urban parking, and the method comprises the steps: 1, enabling the Internet of Things mobile charging system to collect the real-time parking space occupancy rate data of each parking lot of a city through a geomagnetic sensor, arranging the observation symbols at a plurality of continuous sampling moments according to a time sequence to form an observation symbol sequence of each parking lot; 2, extracting a hidden state corresponding to the current sampling moment from the optimal hidden state sequence as a current supply and demand hidden state of the corresponding parking lot; and step 3, when the response rate and the candidate rate satisfy a preset convergence determination threshold condition, determining the response rate of each parking lot as a dynamic parking rate and issuing the dynamic parking rate to the outside. The utilization efficiency of parking resources can be remarkably improved, invalid location searching is reduced, and the use experience of a mobile application end of a vehicle owner is enhanced.
Owner:SICHUAN TOURISM INVESTMENT DIGITAL CULTURAL TOURISM TECHNOLOGY CO LTD

Construction safety device based on mobile internet and internet-of-things equipment

The utility model discloses a construction safety device based on a mobile internet and an internet-of-things device. The construction safety device comprises a mobile terminal, an internet-of-things sensing unit, a background server and a supervision terminal. The mobile terminal is provided with an outer shell, a processor, a display screen and an input device. The processor is electrically connected with the display screen and the input device. The Internet of Things sensing unit comprises a camera and a loudspeaker which are electrically connected with the processor; the background server stores a structured safety disclosure knowledge base which is classified and stored according to dimensions such as construction types, and is in signal connection with the structured safety disclosure knowledge base and the background server; the supervision terminal is in signal connection with the background server and is used for monitoring the Internet of Things sensing unit in real time. By means of the knowledge base, the device ensures that workers receive comprehensive, accurate and consistent safety information, relieves the burden of a team leader, and ensures that the content is complete and accurate. The supervision terminal can avoid disclosure formalization, improves the safety awareness of workers, can trace disclosure content and execution conditions when an accident occurs, and provides a basis for accident handling.
Owner:GUANGZHOU METRO GRP CO LTD +5

Anti-quantum traceable anonymous authentication method and anti-quantum traceable anonymous authentication system for mobile Internet of Things

The invention discloses an anti-quantum traceable anonymous authentication method and system for a mobile internet of things, and belongs to the technical field of identity authentication and tracking. The method comprises an initialization stage, a mobile Internet of Things equipment registration stage, a mobile Internet of Things equipment authentication stage and a mobile Internet of Things equipment tracking and revocation stage. Bidirectional authentication and session key negotiation between an edge node and equipment are realized by utilizing a lattice-based chameleon hash and a short integer solution problem, quantum computing attacks are resisted, and meanwhile, the equipment identity and path privacy are protected through block chain evidence storage and a chameleon hash trap door technology, and the security of the equipment is improved. And on-demand accurate tracing and rapid revocation of malicious equipment by a law enforcement agency can be supported, and the requirements of safety, privacy and supervision in a mobile Internet of Things scene are met.
Owner:INSTITUTE OF INFORMATION ENGINEERING CHINESE ACADEMY OF SCIENCES