65 results about "Public infrastructure" patented technology

Determining the location of a radio tag or client station of a wireless network, and the location of coverage holes by receiving from a plurality of wireless stations of the wireless network path loss information of the path loss of one or more location frames received at the respective wireless stations. The location frames transmitted by the radio tag or client station having a pre-defined frame structure. The radio tags and client stations use a common infrastructure for transmitting a location frame configured for radiolocation by path loss measurement. The common infrastructure includes a pre-defined protocol common for both radio tags and client stations for transmitting information for reception by the plurality of stations of the wireless network for radiolocation. The pre-defined protocol includes using the location frame having the pre-defined frame structure.

Systems and methods of implementing a secured cloud environment allow for design and instantiation of a security policy at the infrastructure level. An example system may comprise a first module to facilitate selecting at least two cloud computing component templates from a cloud computing component catalog. The system may comprise a second module to facilitate defining a connection between the at least two selected cloud computing component templates. The system may comprise a third module to facilitate assigning a security level and a policy to at least one of the at least two selected cloud computing component templates. The system may comprise a fourth module to facilitate building a cloud computing component blueprint.

The invention discloses a building information total management system and method. The system comprises a fire control linkage monitoring unit, a public infrastructure monitoring unit, a security monitoring unit, a water and gas leakage monitoring unit, an environment quality monitoring unit, a management controlling unit, a core processing unit and an alarm managing unit, wherein the fire control linkage monitoring unit is used for obtaining smoke and fire detection information; the public infrastructure monitoring unit is used for obtaining working state information of public infrastructures; the security monitoring unit is used for obtaining monitoring data of security monitoring equipment; the water and gas leakage monitoring unit is used for obtaining detection information for representing water / gas leakage of water / gas supply equipment; the environment quality monitoring unit is used for obtaining environment quality detection information; the management monitoring unit is used for receiving a control command of a user and sending the control command to the core processing unit; the core processing unit is used for forwarding the detection information of the monitoring / detection unit and alarm information to the management monitoring unit and forwarding the control command of the management controlling unit to an appointed monitoring / detecting unit to control corresponding building equipment to operate; and the alarm managing unit is used for selecting an alarm mode according to the event grade of the alarm information.

Determining the location of a radio tag or client station of a wireless network, and the location of coverage holes by receiving from a plurality of wireless stations of the wireless network path loss information of the path loss of one or more location frames received at the respective wireless stations. The location frames transmitted by the radio tag or client station having a pre-defined frame structure. The radio tags and client stations use a common infrastructure for transmitting a location frame configured for radiolocation by path loss measurement. The common infrastructure includes a pre-defined protocol common for both radio tags and client stations for transmitting information for reception by the plurality of stations of the wireless network for radiolocation. The pre-defined protocol includes using the location frame having the pre-defined frame structure.

The invention discloses an urban control management system based on smart street lamps, and relates to the technical field of smart cities. The smart city is constructed on the basis of the smart street lamps, interconnection and intercommunication of multiple platforms in the smart city are achieved, and repeated investment is reduced. The intelligent street lamp is a composite public infrastructure integrating multiple functions of intelligent lighting, video acquisition, mobile communication, traffic management, environment monitoring, meteorological monitoring, radio monitoring, emergencyhelp seeking, information interaction and the like, and is an important carrier for constructing a comprehensive perception network of an intelligent city.

A method for establishing a fully private, information theoretically secure interconnection between a source and a destination, over an unmanaged data network with at least a portion of a public infrastructure. Accordingly, n shares of the source data are created at the source according to a predetermined secret sharing scheme and the shares are sent to the data network, while encrypting the sent data using (n,k) secret sharing. A plurality of intermediating nodes are deployed in different locations over the network, to create a plurality of fully and / or partially independent paths in different directions on the path from the source to the destination, and with sufficient data separation. Then, the shares are sent over the plurality of fully and / or partially independent paths while forcing shares' carrying packets to pass through selected intermediate nodes, such that no router at any intermediating nodes intercepts k or more shares.

The invention provides a system and method for transporting packetized data between remote geographic locations in a multi facilities-based carrier and multi-last mile access environment to form a multi-node intranet. The purpose of the invention is to implement a secure, private data service using disparate facilities-based carriers for last-mile connectivity to achieve cost reduction compared to single-carrier, private line or switched or routed private solutions. This is done by providing a system for increased data latency predictability, increased average data latency reduction, and end-to-end data prioritization compared to virtual private networking services utilizing tunneling protocols or public infrastructures for data switching or routing.

Provisioning resources in public cloud infrastructure to perform at least part of electronic design automation (EDA) tasks on the public cloud infrastructure. Performance metrics of servers in the public cloud infrastructure and performance history of a user's past EDA tasks are maintained to estimate operation parameters such as runtime of a new EDA task. Based on the estimation, a user can provision appropriate types and amounts of resources in the public cloud infrastructure in a cost-efficient manner. Also, a plurality of EDA tasks are assigned to computing resources in a manner that minimizes the overall cost for performing the EDA tasks.

The invention discloses a power secondary system modeling method and a system. A model which is established according to the method and the system comprises a data model, a resource model and a dependence relationship model. The problems in the three aspects of classification object management, the combination of management object organization and power grid architecture, and the description of a complex relationship are solved. The complexity and the maintenance difficulty, which are caused by the fact that the same model is used to solve the problems in the three aspects, are avoided. Related concepts of an IEC61970 CIM model is introduced into the resource model. Each management object of a secondary system is combined with a power grid primary model. A unified model of primary and secondary models of a power grid are provided. For a business dependence relationship description method, four kinds of basic services are summarized. Public infrastructure services are abstracted. The complex multi-to-multi dependence relationship is decomposed to various kinds of services. Re-organization is carried out under the guidance of finally reflecting the business operation condition. The problem of defining the dependence relationship among a business, software and hardware and between the business and other businesses is solved.

Provisioning resources in public cloud infrastructure to perform at least part of electronic design automation (EDA) tasks on the public cloud infrastructure. Performance metrics of servers in the public cloud infrastructure and performance history of a user's past EDA tasks are maintained to estimate operation parameters such as runtime of a new EDA task. Based on the estimation, a user can provision appropriate types and amounts of resources in the public cloud infrastructure in a cost-efficient manner. Also, a plurality of EDA tasks are assigned to computing resources in a manner that minimizes the overall cost for performing the EDA tasks.

The invention discloses a method for determining relation between the built-up environment and rail passenger flow distribution based on signaling data. On the basis of mobile phone signaling data generated by individuals every day, a space-time clustering algorithm is used to sort the mobile phone signaling data of the rail station passenger flow according to the personal identification number and the triggering time; the data is preprocessed, identification of distribution places of passenger flow around a rail station point is completed by using a space-time threshold algorithm, and hot spot areas of the rail passenger flow distributed around the station are identified by using a space-time clustering algorithm rule and taking the number of rail passengers of a base station as a clustering cluster. Then, on the basis of extracting the number of various public infrastructures in the urban built-up environment in the hot spot area, a correlation structure equation model of the passenger flow distribution number and the number of built-up environment facilities is established, and the correlation relationship between passenger flow distribution and the built-up environment is analyzed; the method can be used for evaluating the influence degree and the correlation relationship of the built environments of different regions of the city on the rail passenger flow distribution.

A computing device has instantiated thereon a protected media path for delivering content from a source to a sink. In the protected media path, a media base provides a protected environment in the computing device and includes a common infrastructure of core components effectuating processing of content from any particular source and delivering the processed content to any particular sink, and also includes a policy engine enforcing policy on behalf of the source. The policy corresponds to the content from the source and includes rules and requirements for accessing and rendering the content, whereby the media base allows content to flow through the computing device in a protected fashion, and allows for arbitrary processing of the protected content in the computing device.

The invention provides a DDoS attack detection method for a DNS server. The DNS server is an important public infrastructure in a networked environment. In order to cause the DNS to refuse service, amalicious attacker sends a large number of forged query requests to an open DNS resolver that allows recursion, and the DNS server cannot respond to normal requests by exhausting the computing resources and the bandwidth of the DNS. The problem solved by the inventor focuses on a novel attack type for the DNS server, that is, an authoritative server for resolution domain name sends a large numberof domain name resolution requests carrying random sub-domain name for the resolution domain name through a botnet controlled by the authoritative server, in order to exhaust the resources of the DNSserver. The inventor specifically provides a detection mode based on a statistical method for the DDoS attack. The occurrence of the random sub-domain name DDoS attack can not only be detected accurately, and the present DDoS attack is initiated for which domain name can also be confirmed, and subsequent defense work can be performed on the basis.

The invention provides a public Internet access system and a public Internet access method based on software definition. The access system comprises a client, an access agent module, a network adapter, a user center, and a dispatching center. A user is connected with the user center and the dispatching center through the client, and is connected with the access agent module through the client. The access agent module is connected with public Internet access resources through the network adapter. The system and the method of the invention achieve the goal of turning the Internet into demand-based public infrastructure, and meet the access requirement of user terminals, service systems and cloud computing platforms for public Internet access resources. Centralized control on whole-network data forwarding and data forwarding based on software definition are realized, and a data packet can be forwarded to any Internet access across the country according to a pre-programmed forwarding strategy. Separation between service system and physical location is realized, and the problem that the construction cost and maintenance cost are high for distributed across-region deployment of a complex service system can be effectively solved.

The invention provides an intelligent shared bookcase relating to the field of public infrastructures. The intelligent shared bookcase comprises a shell, a bookshelf, a base, a lifting transfer structure, a business management module and a control module, wherein an entrance machine used for storing, borrowing and returning books inside an operating bookcase on the outer side of the bookshelf is arranged on the shell; the base is mounted inside the shell and provided with a planetary gear train; the bookshelf is arranged on the planetary gear train, and the planetary gear train is used for rotating the bookshelf; the lifting transfer structure is arranged in the shell and is used for transferring the books on the bookshelf to the entrance machine; the business management module is in signal connection with the internet and the control module and is used for managing storing, borrowing and returning of the books in the bookcase and generating and recognizing two-dimensional codes to betransmitted to the control module while storing, borrowing and returning the books; and the control module is connected to the planetary gear train and the lifting transfer structure and is used for controlling the planetary gear train and the lifting transfer structure to execute actions. The intelligent shared bookcase disclosed by the invention is novel in structure and is capable of realizingsecondary utilization of idle books and realizing resource sharing.

The invention discloses a double-energy-source uninterruptible power supply device and a method of the double-energy uninterruptible power supply device. A power grid and a natural gas pipeline in the device are provided with independent public infrastructure facilities, and supply two independent input energy sources to the device. A battery or a super-capacitor serves as an energy storage unit. Meanwhile, the device comprises a static switch, a grid-side rectifier, a fuel gas generator, a fuel gas rectifier, an energy storage unit bidirectional DC converter, an inverter and a load. The power grid and the fuel gas generator serve as standby of each other, and supply energy to the load independently. The power grid serves as the main energy source to supply power to the load when normal. When the power grid breaks down, natural gas serves as the main energy source, and the fuel gas generator supplies power to the load. The reliability of power supply to the load is improved through the two energy sources with the independent public infrastructure facilities. The energy storage unit only needs to supply power to the load for a short time in the starting process of the fuel gas generator, and therefore the capacity of the energy storage unit can be lowered effectively.

Communications interface systems and methods for industrial process and manufacturing control. A first infrastructure supports a group of downloadable server protocol applications and a group of downloadable client protocol applications. A second infrastructure supports a group of pluggable hardware interfaces that connect with an underlying communications network. Additionally, a common infrastructure can be configured, which includes a manager and data aggregation layer that connects to and communicates with the group of downloadable server protocol applications and the group of downloadable client protocol applications. The common infrastructure manages and aggregates data between the first infrastructure and the second infrastructure and creates new interface features by plugging in new and / or available components in multiple form factors.

An information handling system tray component is selected for a depth to fit into chassis support components to provide processing resources in a space having different depths. An end user selects a chassis component having a depth that fits a data center and then installs tray components into the chassis component by selecting the tray component depths to fit in that of the chassis component. The tray component supports different processing components depending upon the selected depth so that information handling system features are adapted to chassis depth while using a common infrastructure component.

The invention relates to an intelligent traffic separate system which can receive remote command to automatically move. When the main road of city is blocked in one direction, the city traffic manager can make command to move the separate facility, to change the widths of bidirectional road, to increase the width of blocked traffic and increase the vehicle flux. In addition, when the traffic accidence occurs, the city traffic manager can move the separate facility.

A method for establishing a fully private, information theoretically secure interconnection between a source and a destination, over an unmanaged data network with at least a portion of a public infrastructure is disclosed. Accordingly, n shares of the source data are created at the source according to a predetermined secret sharing scheme and the shares are sent to the data network, while encrypting the sent data using (n,k) secret sharing. A plurality of intermediating nodes are deployed in different locations over the network, to create a plurality of fully and / or partially independent paths in different directions on the path from the source to the destination, and with sufficient data separation. Then, the shares are sent over the plurality of fully and / or partially independent paths while forcing shares' carrying packets to pass through selected intermediate nodes, such that no router at any intermediating nodes intercepts k or more shares.

The invention provides a public infrastructure based PM2.5 purification system having a PM2.5 detection function. The system comprises public infrastructure (such as landscape lamps, streetlamps, traffic signals, electronic probes, street or building colored lights, LED display screens, buses, and electronic bus stations) convenient to power, and a PM2.5 purification device installed on the public infrastructure. The PM2.5 purification device can produce negative ions by means high tension ionization so as to purify PM2.5 in the atmospheric environment. The PM2.5 purification device is equipped with a PM2.5 detection module, current air quality of a public infrastructure location can be detected in real time, and on-off state and negative ion generation power of the PM2.5 purification device are intelligently controlled according to detection results. The system has the advantages that the PM2.5 in the atmospheric environment can be purified intelligently and energy resources are saved.

The present invention relates to an undirected connected network shortest path-based network division method. The objective of the invention is to solve practical problems. When a Voronoi diagram is generated on the network, the L2 Euclidean distance is replaced by a shortest path in connected lines between nodes along the network. According to the undirected connected network shortest path-based network division method, after a group of randomly distributed seed points are provided, Voronoi units on the current network are calculated based on the shortest path; a Voronoi diagram in the Euclidean space is generalized into the Voronoi diagram in the connected network through a CVT (centroidal Voronoi tessellation) algorithm; and iteration is performed, the weighting length of the network corresponding to each seed point on the network is made to be identical as much as possible, and therefore, the optimal division of the network model is obtained. With the method of the invention adopted, problems in the distribution of public infrastructure such as gas stations, charging stations and sanitation facilities, and the distribution of logistics warehouse nodes on urban road can be solved.

The invention discloses a road surface anti-ice-snow intelligent spraying method and system, and belongs to the technical field of safety safeguard. The road surface anti-ice-snow intelligent spraying method comprises the following steps that road surface condition information, atmospheric environment monitoring information and traffic flow information are obtained; spraying working parameters are determined according to the road surface condition information, the atmospheric environment monitoring information and the traffic flow information, and the different spraying working parameters correspond to the different anti-ice-snow effects; and spraying is conducted according to the spraying working parameters. According to the road surface anti-ice-snow intelligent spraying method, influences of road surface conditions, atmospheric environment and the volume of traffic flow are considered fully, it is ensured that the best anti-ice-snow effect of the spraying system is achieved, meanwhile, the spraying quantity of a snow-melting agent is reduced, unnecessary waste is avoided, not only is the anti-ice-snow cost reduced, but also damage of the snow-melting agent to public infrastructure is relieved.

The invention discloses a public infrastructure resource scheduling method based on an application priority. The method comprises the following steps that: (1) uniformly deploying an application system in different virtual machine, uniformly deploying the application system in the virtual machine, and configuring an operating environment on which the application system depends in the virtual machine, wherein only an independent application system is deployed in each virtual machine, and the virtual machine where the application system is positioned is taken as granularity for scheduling during scheduling; and (2) in a resource scheduling process, monitoring the resource use situation of the application system in real time, and according to the load situation of the application system, taking virtual machine migration as the resource scheduling method to dynamically deploy application system resources according to the priority of the application system. By use of the method, through a virtualization technology, full-ship information resources are integrated to realize the sharing and the uniform scheduling of the full-ship information resources, and the resource requirements of a combat and platform application system are subjected to overall consideration so as to perform a supporting function of the public information infrastructure to a maximum degree and improve the integral combat effectiveness.

A method for establishing a fully private, information theoretically secure interconnection between a source and a destination over a data network with at least a portion of a public infrastructure. The method comprising at the source creating n shares of a source data according to a predetermined secret sharing scheme, and encrypting the n shares using (n,k) secret sharing. Further, defining for at least one node vi a directed edge (vi1, vi2) that has a k−1 capacity. All outgoing links of vi are connected to vi2. Additionally, using a maximum flow algorithm to define the maximum number of shares outgoing from vi2, and therefore from vi, on each outgoing link. The number of shares forwarded by node vi does not exceed the number of maximum shares that were defined by the maximum flow algorithm.

The present invention relates to computer application and the Internet auction system includes three parts of businessman end part, client end part and public facility part. The auction activity is mapped to between the businessman end and the client end of e-business, and the competitive bidding clients first interact with the auxiliary auction server and auction entrusting server in the client end, and then interact with the auction system in the businessman end based on the requirement of entrusting task. The description information in both client end and the businessman end are managedin the public facility part based on light level catalogue access protocol technology. The client end may be various computer equipment with different display and log-on capacity, and the system provides dynamic display. The present invention can raise the efficiency of auction activity.

The invention discloses a fresh air bar for urban public facilities. The fresh air bar for the urban public facilities comprises a No. 1 support column, wherein the No. 1 support column is fixedly arranged on the ground; an integrated intelligent electronic bus station licensing mechanism is arranged on one side of the No. 1 support column, and is provided with an integrated intelligent electronicbus station licensing bottom part fixing structure, a station licensing built-in air purification assembly, a small cylindrical air purification assembly, a wireless WiFi module and a station forecast mechanism; an auxiliary mechanism is arranged on one side of the No. 1 support column, and is provided with a No. 2 support column, shared umbrellas, a waiting chair, a bus advertising board, a freeUSB (Universal Serial Bus) charging interface, a bus advertising board built-in air purification assembly, a one-key alarm, a microcomputer time control module, an LED (Light-emitting Diode) energy-saving light, a wireless WiFi emitter, an energy storage device, a power supply control hub, a bus station stop ceiling and a bus station name indicator; and a charging mechanism is arranged under thebus station stop ceiling. The fresh air bar for the urban public facilities provided by the invention has the beneficial effects of simple structure and high practicability.