1798 results about "G-network" patented technology

The embodiment of the invention discloses a network slice selection method, UE, MME and a system, which relates to the field of communication and is used for realizing network slice selection without adding new network elements. The network slice selection method comprises the steps that the UE receives network slice information sent by the mobile management entity MME from eNodeB, wherein the network slice information indicates the network slice type supported by the network side; the UE selects the corresponding network slice according to the network slice information and the own service type; and the UE forwards request information to the MME through the eNodeB to determine whether the UE is allowed to access the corresponding network slice after the authentication of the MME, wherein the request information indicates the corresponding network slice. The embodiment of the present invention is applied to 5G network slice selection.

The invention provides a deep learning adversarial attack defense method based on a generative adversarial network. The method comprises the following steps: step 1), based on the high performance ofthe generative adversarial network in learning sample distribution, designing a method for generating an adversarial example through the generative adversarial network, and after adding a target modelnetwork set TMi, enabling the sample generation based on a G network to become a multi-objective optimization problem; and the training for an AG-GAN model is mainly for the parameter training of thegenerative network G and a discrimination network D, and is divided into three modules; and step 2), using the adversarial example generated by the AG-GAN to train an attacked deep learning model, soas to improve the capability of the deep learning model of defending different types of adversarial examples. The deep learning adversarial attack defense method based on the generative adversarial network provided by the invention effectively improves the security.

An apparatus of a Next Generation Node-B (gNB) with a CP-UP separation includes processing circuitry configured to decode a radio resource control (RRC) request message from the UE for establishing a connection between the UE and a UPF of a 5G NR architecture in a network slice. In response to a confirmation message that the UE is authorized to communicate via the network slice, encode a Central Unit User plane (CU-UP) resource status request message for transmission by a Central Unit Control Plane (CU-CP) entity of the gNB to a plurality of CU-UP entities. A CU-UP resource status response message from each of the plurality of CU-UP entities is decoded at the CU-CP entity. The resource status response message including resource availability information for the CU-UP entities. A CU-UP entity is selected by the CU-CP entity from the plurality of CU-UP entities based on the resource availability information.

The invention provides a method for integrating the mobile vehicle with existing or future Public Land Mobile Networks (PLMN). The PLMN may be any existing cellular networks (GSM, CDMA, HSPDA, HSUPA) or future 4G network and future high speed data network WiMAX. Based on the wireless connection with existing public networks, mobile vehicle provides in-vehicle wireless connection. With unique Vehicle Identification Number (VIN) as the system ID number, the vehicle (including the in-vehicle microcomputer), the public network PLMN, and the management Distributed Database System form a so called Universal Vehicle Communication & Management System (UVCMS). The UVCMS provides a unified management for all vehicles nationwide, some exemplary managements include: 1) Registration; 2) Insurance; 3) Billing (Toll, parking, and fine); 4) User tracking, and stolen car tracking; 5) Speed management; 6) Emergency management; 7) Traffic management; 8) Dangerous driver protection; and 9) Vehicle operational statistics management.

The invention provides a method and a device of transmitting and acquiring synchronous information blocks. The method comprises steps that according to a synchronous information block set SS burst Set mode, target mode index information is determined; the target mode index information is stored in every synchronous information block SS block, and the to-be-transmitted synchronous information block is acquired; by adopting a high frequency wave beam, user equipment in a target cell is periodically transmitted to the target synchronous information block; every SS burst Set comprises periodically transmitted synchronously burst SS burst of a first preset number; every SS burst comprises target synchronous information blocks of a second preset number are transmitted according to a space sequence. By adopting the method provided by the invention, the cell signal synchronizing of the user equipment in a 5G network is realized accurately and quickly.

The invention discloses a vehicle-road collaborative vehicle-mounted terminal application system based on LTE-V. In the system, the vehicle maintains wireless short-wave communication with other vehicles and roadside equipment in real time by utilizing the characteristics of low delay and high coverage range of LTE-V communication, and interacts information with a vehicle-road collaborative background server through a 4G network. The method comprises the following steps: receiving real-time state information of other vehicles; The method comprises the following steps of: sensing surrounding traffic conditions by traffic participant real-time information sent by roadside equipment, and judging and analyzing a map road relationship, a road distance and collision time between a vehicle and other traffic participants, traffic signs or events according to the vehicle state information and local lane track point map information; According to different traffic scenes judged by the system, a driver is reminded of different traffic events and early warning information through visualization, so that the driving safety is enhanced, and meanwhile, the traffic efficiency is improved.

The invention discloses a distributed type electric vehicle charge management system based on a cloud platform and multiple tenants. The system comprises a cloud platform server, a charge management terminal, a WeChat server and a smart client loaded with a charge APP, wherein the cloud platform server realizes online management of the charge management terminal through 4G network. The management method comprises steps as follows: a), selecting a user type; b), executing payment by a user with an IC (integrated circuit) card; c), executing payment by a user without an IC card; d), executing payment by an APP user; e), executing charging; f), judging whether the charging is completed; g), finishing settlement of transactions. According to the charge management system and method, online management of the charge management terminal is realized, the user can complete online payment and charge operation through IC card, APP or WeChat, a conventional offline and isolated business mode of a charging pile is changed, the beneficial effects are remarkable, and the system and the method are suitable for being applied and popularized.

The invention relates to a prediction-based virtual network function scheduling method for 5G network slices, and belongs to the field of mobile communication. The method specifically comprises: establishing a delay-based service function chain queue model for service function chain features having dynamically changing service traffic; establishing a multi-queue cache model, and determining, at different time, priorities requested by the slices and a lowest service rate that should be provided, according to the size of a slice service queue; discretizing the time into a series of consecutive time windows, and establishing a prediction-based traffic perception model by using the queue information in the time windows as a training data set sample; and searching a scheduling method for the best service function chain VNF under the resource constraint that the caching of the slice service queue does not overflow according to the predicted size of each slice service queue and the corresponding lowest service rate. The method realizes on-line mapping of network slices, reduces the overall average scheduling delay of multiple network slices, and improves the performance of network services.

The invention discloses a method for determining a network interoperable mode and terminal equipment which are used for solving the problems that the time for call ringing and waiting is long, and the probability for call drop and the electric power consumption are increased because the terminal is subjected to frequently reselection among different networks in the prior art. The method is applied to the terminal which supports the LTE (Long Term Evolution) access technology, and supports at least one of 2G (2nd Generation) access technology and 3G (3rd Generation) access technology. The method comprises the following steps of: when the terminal accesses a network, determining whether a network side supports a CS (Circuit Switch) fallback mode or not; when the network side is determined to support the CS fallback mode, and the characteristic type of the settings of the network side gives priority to voice, determining to prefer to dwelling at a 2G network or a 3G network; when data service is carried out under the condition of dwelling at the 2G network or the 3G network, determining whether the reselection to an LTE network is needed or not; and when the terminal determines to reselect to the LTE network, reselecting to the LTE network and executing the data service, and returning to the 2G network or the 3G network after the data service is finished.

The invention discloses an unmanned plane autonomous flight cloud control system. The system comprises a ground control station, a cloud server, an unmanned plane device and an aerial photography device. Real-time autonomous flight of an unmanned plane involves establishment of a course planning control analysis module based on real-time information, the ground control station carries out preliminary automatic planning of a course by use of flight coordinate scope information, in case of low-attitude flight, aerial photography data acquisition is carried out on landform space information by use of the aerial photography device, the information is transmitted to the cloud server by use of a 4G network through the ground control station, three-dimensional real-time visualization space modeling of aerial photography data is carried out by use of a cloud processing technology, through combination with a DEM and space topology relation, real-time course correction is carried out on an unmanned plane task flight preliminary course, flight control signals are returned to an autopilot, and thus autonomous flight of the unmanned plane is realized.

The invention discloses a dual-card terminal, a method and device for automatically switching data services of the dual-card terminal. The method includes the following steps that: the transmission state of data passing through a first network into which a main client identification module SIM card is monitored; whether the replacement of the first network is required is judged according to monitoring results; when it is judged that the first network is required to be replaced, the other SIM card, adopted as a main SIM card, is connected into a corresponding second network, so that data services can be provided for a user, wherein the first network and the second network both accord with mobile communication standards higher than the fourth generation mobile communication standards 4G. Taking switching between different 4G networks as an example, with the method and device of the invention adopted, the terminal can automatically and quickly switch 4G data services to the other SIM card when a 4G network to which a main SIM card belongs is incapable of providing excellent data transmission, wherein the main SIM card provides 4G data services currently, and therefore, a 4G network of the other SIM card can be utilized to perform data services.

The invention discloses a method for monitoring long term evolution (LTE) network voice services. The method comprises a first step of collecting signaling and voice information of voice services of a 2G network, a 3G network and a 4G network of mobile communication; a second step of analyzing collected data, and generating complete voice records of every call of LTE users on the basis of multi-network multi-interface information relevance; and a third step of generating multi-dimension LTE voice service indexes on the basis of call recording information. Service quality of the voice services of LTE networks can be improved through the method.

The invention provides a smart home remote control system and method. The system comprises a mobile terminal, a wireless remote control, a plurality of home devices and a home gateway. The mobile terminal is connected with the home gateway through a public network, the home gateway is in wireless connection with the wireless remote control, and the wireless remote control conducts remote control over the smart home devices. A special 2.4G network is established for the wireless remote control and the smart home devices. The smart home remote control system and method achieve remote control over the smart home devices.

The invention relates to a service function chaining dynamic deployment method based on QoS (Quality of Service) guarantee and belongs to the technical field of mobile communication. According to themethod, on the basis of 5G network slicing, resources are flexibly configured through utilization of a software defined network and a network function virtualization technology. In order to improve the QoS of communication business in slice networks, a reliability requirement oriented service function chaining deployment model is established. According to the model, a service function chaining dynamic deployment scheme based on the QoS guarantee is designed with the purpose of minimizing the end-to-end delay. According to the scheme, node positions and reliability are taken into comprehensiveconsideration; virtual network functions are deployed through utilization of a novel node arrangement method, and the load of the networks is balanced. In a chaining mapping process, the QoS is improved through selection of the delay shortest path which satisfies a reliability requirement. According to the method, the end-to-end delay of the service function chaining is reduced, the deployment reliability is ensured, and a request acceptance rate and a resource utilization rate are improved.

The invention discloses a remote control automatic driving method under a 5G environment. The method comprises steps of according to delay conditions between nodes of the 5G network, setting multipleremote driving cloud centers; collecting data from vehicles and sensing device on the road sides; through remote control, achieving automatic driving of automobiles; by using characteristics of automatic driving regionalization, road localization and personalization and combining the 5G network slicing ability, transmitting vehicle acquisition data to cloud end through the high bandwidth; by use of massive calculation ability of the cloud centers, achieving decisions; and transmitting results back to vehicle ends through a high-reliability low-time delay network. According to the invention, the 5G network can be effectively used; remote driving ability is formed on the cloud end; network delay problems are solved; interconnection and communication between vehicles are improved; and quite superior automatic driving of vehicles is achieved.

The invention relates to an MEC-assisted data shunting method in a 5G network, and belongs to the technical field of mobile communication. The method, to begin with, for the problem of switching failure due to insufficient base station resources in a conventional switching scheme, improves switching success rate through MEC-assisted selection of a target base station in the switching preparation phase; and then, for the problem of congestion of a core network due to overlarge data traffic, the method designs a task unloading and data shunting scheme, thereby reducing congestion of the core network, reducing user delay and improving network performance and user experience. The method integrates task unloading and data shunting into the user switching process, thereby realizing smooth transition between task unloading and data shunting, and reducing transmission delay and switching failure rate.

The invention discloses an intelligent monitoring system and method for health of empty-nest aged people. The intelligent monitoring system comprises a multi-mode real-time detection module, a big data analysis module and a 4G network response module, wherein the multi-mode real-time detection module is used for collecting multi-mode health data of the empty-nest aged people and judging an urgent abnormal event; the big data analysis module is used for analyzing the health data, establishing a health state model and pre-warning an abnormal state; and the 4G network response module is used for pushing the urgent abnormal event and the abnormal state in real time and realizing interactive operation with a user operation terminal. Meanwhile, the intelligent monitoring system adopts a dual-warning mechanism, so that accurate and comprehensive intelligent monitoring of the physical state and mental state of the empty-nest aged people can be realized; and by utilizing the operation terminal, a guardian and a medical worker can timely obtain corresponding warning information and selectively check the health state of the empty-nest aged people at any time, and the monitoring manner is changed from a traditional passive accepting form into an automatic query form.

The invention relates to a vehicle dynamic navigation service system based on A-GPS and 3G network, which consists of a dynamic navigation service platform and a dynamic navigation terminal. The dynamic navigation service platform, the 3G network, the A-GPS positioning platform and the dynamic navigation terminal are interconnected to eachother, and perform navigation calculation utilizing the real time traffic information from traffic information center; the navigation result can be fed back to the traffic control center for optimizing the traffic control; the navigation service platform itself integrates the capabilities of dynamic navigation calculating, road geographic information processing, multi-source isomeric real time road condition information processing, navigation data statistics analyzing and policy making supporting, user managing and interface information processing; the dynamic navigation calculating process comprises track jam judgment, traffic flow prediction, dynamic path program and traffic Induction, travel time estimation and map-matching; and the dynamic navigation terminal supports 3G honeycomb communication, A-GPS positioning, memory, dynamic navigation client software and man-machine interface.

The invention aims to provide a cold chain transportation tracking system based on Internet of Things. The system can realize monitoring of a whole cold chain process and can realize traceable management and can perform centralized integration on all data in the cold chain transportation process. According to the invention, a comprehensive information service platform is connected with a data collection integration processing module and a cold chain detecting instrument platform electrically. The data collection integration processing module is connected with an intelligent IoT vehicle 4G network temperature control terminal electrically. The intelligent IoT vehicle 4G network temperature control terminal is connected with the cold chain detecting instrument platform, a 4G real-time communication food safety quick detecting instrument and an RFID temperature recording label/reading device electrically. By adopting the above technical scheme, monitoring of a whole cold chain process is realized and traceable management and centralized integration on all the data in the cold chain transportation process are achieved. Therefore, superiority of cold chain transportation is ensured and the system has a good application value in cold chain transportation industry.

The invention discloses a real-time traffic guidance method based on Internet of Vehicles and a roadside system. The real-time traffic guidance roadside system of the invention comprises multiple roadside devices arranged at intervals along two sides of a road, intelligent traffic lamps arranged at an intersection, a vehicle-mounted terminal arranged on a vehicle, and a backstage control center, wherein each roadside device is in wireless communication connection with the backstage control center via a 3G/4G network; the roadside devices closed to the intelligent traffic lamps are in wireless communication connection with the intelligent traffic lamps; and the vehicle-mounted terminal of each vehicle driving in a coverage range of each roadside device is also in wireless communication connection with a corresponding roadside device via a wireless communication network. According to the roadside system of the invention, vehicle guidance and traffic lamp control can be realized, the display state of the traffic lamps can be adjusted according to factors such as a traffic flow and the environment in the Internet of Vehicles environment, the traffic jam phenomenon can be effectively lessened, the operational capacity of a trunk road is improved, and the operational capacity of the traffic system can be effectively improved.

Provided are a communication method and system that combine the 5G communication system with IoT technology to support a data rate higher than that of the 4G system. The present disclosure is based on 5G communication technology and IoT related technology and can be applied to intelligent services (e.g., smart home, smart building, smart city, smart or connected car, health care, digital education, retail business, security, and safety related services). A method is provided that enables the terminal and the 5G network to check each other's capability information to achieve interworking between network slices defined differently by different mobile network operators. The method for providing network slice information of a visited public land mobile network (VPLMN) in a wireless communication system includes generating mapping information by mapping first slice information for a visited public land mobile network (HPLMN) of a user equipment (UE) and second slice information for the VPLMN connected to the UE when roaming, and transmitting, to the UE, information corresponding to a slice requested by the UE, the information selected based on the mapping information.

Methods, systems, and computer program products for using an E.164 number (ENUM) database for message service message routing resolution among 2G and subsequent generation network systems are disclosed. According to one method, a message including message service message content is received. The message may include a 2G message recipient identifier. An ENUM database may be queried. A response from the ENUM database is received. Based on the response, unavailability of a subsequent generation network address for the recipient is determined. In response to the unavailability, the message service message content is attempted to be delivered to the recipient via a 2G network.