349 results about "Network engineering" patented technology

The present invention is a computer system and a method for gathering, processing and analysis of network information resulting in presentation and visualization of packet networks in the form of individual virtual flows, sometimes also called connections or sessions, containing their statistical characteristics in a time-sampled dynamics. The system, deployed as a separate device or co-hosted with other network devices, collects and processes information from all valid packets in network, classifies and maps gathered statistics to the statistics of relevant virtual flows. The statistical information is further processed by the system to provide near-real presentation, as well as stored in a searchable database for future analyses. The invention to be used by network engineers and administrators as a tool for a near real-time control of network traffic, as an analytical tool for solving network bottlenecks, network performance optimization and troubleshooting analyses, cutting costs by optimizing network layout, appropriate organization of traffic and intelligent configuration of QoS, routers and other network devices.

An Ethernet metric system and methodology which provides comparable measurements over a data link layer for use in network engineering and Service Provider (SP) performance monitoring. The Ethernet metric system of the present invention utilizes a measurement appliance known as a nodal member for measuring various Ethernet and IP metrics. A plurality of nodal members is used to make one-way or round-trip measurements over asymmetrical paths. The system includes a database for storing measurement data recorded by the plurality of nodal members. A workstation is also contemplated to facilitate system configuration and reporting of measurement data. The system further includes at least one service daemon for interfacing between the plurality of nodal members and the database. Additionally, the service daemon instructs the plurality of nodal members to create vectors and obtain vector configuration from the database. The service daemon processes results data transmitted from the nodal members to the database.

The invention discloses an electric power engineering design review and technical economic evaluation information system. The electric power engineering design review and technical economic evaluation information system comprises a project review plan management module, a project review module, a province infrastructure project information database construction module, a design quality management module, an external user interaction management module, a main network engineering cost compilation system module, a cost analysis management module and a message management module. The system integrates demands of actual engineering project design review and technical economic management works, makes engineering project design review and technical economic management works have great improvement in standardization, unification, normalization and refinement, greatly improves an intensive management level, effectively and practically improves efficiency of engineering project design review and technical economic management works and brings about substantial economic and social benefits.

The invention discloses a safety management method and device based on NFV (Network Function Virtualization), and relates to the technical field of network engineering. The safety management method and device based on the NFV are used for providing a needed security policy for a whole NFV network, so as to solve the problem in the prior art that a network architecture is complex since a virtual machine and so on is used as a unit to carry out protection. The safety management method based on the network function virtualization NFV comprises the following steps: determining a changed target node in an NFV service network domain; acquiring network data transmitted by the target node; analyzing whether an unsafe event exists in the network data, if so, then generating a corresponding security policy; and transmitting the security policy to a functional entity of an NFV management layout domain, so that the functional entity can configure the target node according to the security policy.

The invention relates to the technical field of mobile communication systems, in particular to a positioning method of a city mobile station. The method comprises the following steps of: (11) collecting data of a target city to generate a geographical grid, and calculating grid codes; (12) updating an actual measurement main-neighbor cell dictionary database; (13) updating a geographical grid area propagation characteristic database; (14) synchronizing data in a grid library subsystem; (15) analyzing measuring reports, rejecting invalid records, and selecting city area records; (16) merging and smoothing multiple continuous measuring reports in the same conversation; (17) performing positioning calculation of the indoor mobile station on the conversation generated indoors in the records; and (18) accurately positioning nonpositioned recorded matched grid area propagation characteristic database. In the positioning method, actual measurement data are mined and integrated fully, and the indoor positioning and outdoor positioning of the city are processed respectively by combining with network engineering parameters and urban wireless environment simulation results, so that the positioning accuracy under the urban complex environment is reduced to within hectometer.

A network application performance measuring method which supports the application of high bandwidth real-time video of internet belongs to the technical field of bidirectional transmission performance measurement of IPv4/IPv6 internet. The invention is characterized in that a random data flow which simulates the virtual real-time video or virtual real-time video data flow is adopted as a ''probe'', a network which combines a user application system with a measuring server and is based on an active mode and a reflection mode and an application performance measuring method thereof, a network which combines the client system with the measuring server and is based on the reflection mode and the application performance measuring method thereof, and the invention has the functions of subscriber identification and DOS attack prevention. The invention effectively realizes the intercommunication of the network measuring method which supports the application of high bandwidth real-time video and the application system. The description languages of the video application subscriber, the application system engineer and the network engineer to the network problem are unified. A real-time automatic and independent measuring environment is established. The criterion is provided for quickly finding out the bandwidth bottleneck of network transmission for diagnosing the failure and settling the problem.

A method for auditing installation of communications facilities. Network engineering information is received. The network engineering information may include telecommunications installation requirements and a budget associated with one or more telecommunications projects. A portal is displayed to receive telecommunications installation information from one or more contractors assigned to perform the one or more telecommunications projects. Auditing information associated with the one or more telecommunications projects is received. The auditing information and the network engineering information are automatically compared to the telecommunications information to determine deviations for multiple criteria. The deviations are reported for adjusting the compensation of the contractor.

A method deciding the indexical relations among TCP messages based on TCP timestamp option belongs to TCP performance analyzing field of transmission protocol; the invention is characterized in that the method comprise the following steps: capturing message on random part of the connecting paths of TCP; changing the original timestamp value on each TCP timestamp option of the message into a new timestamp value which strictly and progressively increases along the connecting direction; recording the original timestamp value of the message and the new timestamp value on a timestamp value reflecting table on the connecting direction; finding the timestamp value reflecting table corresponding to the message in the timestamp value reflecting table which is in a opposite direction with the message, and revising the showing and answering field on the timestamp of the message according to the content of list item; further deciding the indexical relations among messages according to the corresponding list item which is found out in the last step; adding a timestamp option for a SYN message without a timestamp option. The users and network engineering personnel can use the method to diagnose the limiting factors of TCP connecting and transmitting speed.

The invention provides a high-precision synchronous time service method of a multi-point positioning system. The technical scheme includes that a 3G (the third generation) network is used for networking, a high-precision constant-temperature trained clock vibrator is used as a system time reference, a multi-system satellite receiving technology and a multichannel receiving processing technology are adopted, the shortcomings of high wired optical fiber networking engineering difficulty, inconvenience in system debugging and over high cost can be overcome, outdoor erection difficulty caused by a rubidium atom clock or a cesium atom clock is reduced, and coverage dead zones caused by interference of terrains can be avoided effectively. In addition, the problem of short-term failure of an optional system can be solved; reliability in receiving ability of systems is ensured; and synchronous clock errors caused by different elevations can be reduced.

The invention discloses a network engineering script across-manufacturer conversion method and device. The method comprises the following steps: obtaining a first function parameter which is not from a target conversion manufacturer; converting the first function parameter into a second function parameter corresponding to the target conversion manufacturer; and according to the second function parameter, generating the network engineering script of the target conversion manufacturer. The method establishes an across-manufacturer script grammar rule base packaging grammar writing rules of manufacturers and establishes a function parameter model on the basis, and the processing of extracting the function parameters from script data and generating the script data according to the function parameters is realized, so that the script data of different manufacturers can be embodied through the function parameters with the same format, therefore a corresponding relationship of conversion can be established between the function parameters of different manufacturers, and the network engineering script across-manufacturer conversion is realized.

The invention provides a wireless communication network work condition monitoring apparatus including a wireless communication network device, a network management system server, a real-time data performance collecor, a real-time alarm server and a short message gateway server; the wireless communication network device is connected to a handset via a wireless accessing network, connected to the network management system server via an X.25 network or an Ethernet, the network management system server is an operation supporting system for operation of the wireless network, the device is connected to the real-time data performance collecor via a network management network, the real-time alarm server is connected to the real-time performance collecor and the short message gateway server via the network management network, the short message gateway server sends short messages to the handset of a monitor via the wireless communication network. The invention solves problems in network optimization and design, provides attestations for network engineers to find problems in the network and for the network optimization and design, being good for providing support for enterprise leaders and for realizing positioning and diagnosis of faults.

The invention provides a water transportation pipe network leakage positioning method based on a Bayesian decision theory and a genetic algorithm, and relates to the water transportation pipe network leakage positioning method based on the Bayesian decision theory and the genetic algorithm. The water transportation pipe network leakage positioning method aims at solving the problems that the existing water transportation pipe network adopts a sound listening leakage positioning method, the work intensity is high, and in addition, the efficiency is low. The water transportation pipe network leakage positioning method is realized through the following steps that a PDD leakage model is built according to DMA; a water transportation pipe network with leakage is subjected to water pressure signal collection; according to the Bayesian decision theory, the leakage node number and the leakage quantity are used as independent variables, and the probability density of leakage accidents is used as a dependent variable to build a target function; the genetic algorithm is utilized for solving the functional expressions, after the evolution algebra is completed, individuals with the probability greater than the given value f' in the population are output, and the possible leakage occurring position is obtained; according to calculation results, monitoring personnel are assigned to the possible leakage occurring position for checking or restoring pipelines. The water transportation pipe network leakage positioning method is applicable to the field of water transportation pipe network engineering.

The invention relates to a VoLTE wireless network test method based on a mobile intelligent terminal. The method comprises the following steps: a step (1): collecting wireless network data through a data collection module of a wireless protocol stack of the mobile intelligent terminal, wherein the data comprise a layer-3 signal, an SIP signal, a wireless network parameter and a cell parameter; and a step (2): generating a LOG file from the data, introducing the LOG file into a post analysis platform, and analyzing the KPI indexes of 7 factors according to the data and generating a report file. The method provided by the invention is used for accurately collecting the VoLTE signal of the wireless network and the parameters of the wireless network through the mobile intelligent terminal, and effectively and completely collecting the wireless network data in time, and the method is used for not only providing accurate data reference for network engineers, but also better facilitating analysis and location of possible problems in a calling process by a user.

Systems and methods for computer network infrastructure provisioning are provided. In one illustrative implementation, a base server is sent to and physically installed at a remote site by field technicians, the base server automatically and securely connects back to a central site, and then becomes the platform to logically provision all other network elements to start a remote network infrastructure, wherein this process may be accomplished without intervention by network engineers at the remote site. The connection and communication between the central and remote site can be implemented over various networks, such as over the Internet, over a private IP network, over a cellular network, and/or other networks. According to implementations herein, the base server can ensure physical and logical integrity even if the environment or the chain of custody of the equipment involved is not trusted.

The invention discloses a restaurant monitoring system based on computer network engineering. The restaurant monitoring system comprises a baseplate, wherein inverted T-shaped through holes are arranged in the baseplate; each inverted T-shaped through hole is internally connected to a control rod; suckers are fixedly arranged at the bottom of the baseplate; the top of each sucker is provided withan opening which is communicated with the corresponding inverted T-shaped through hole; a sealing rubber ring I is arranged at the bottom of the control rod in a sleeved mode; an annular groove is formed in the inner wall of the inverted T-shaped through hole; the annular groove is internally connected to a sealing rubber ring II; a mounting plate is arranged on one side away from the sucker of the baseplate; the top of the baseplate is fixedly connected to a fixing sleeve; one side close to the baseplate of the mounting plate is rotationally connected to a fixing plate; and one side far awayfrom the mounting plate of the fixing plate extends into the fixing sleeve. According to the restaurant monitoring system, the cost, the installation and the use cost of the whole restaurant monitoring system are greatly reduced, the use of people is facilitated, and the use requirements of people in the production and life are met.

The invention belongs to the technical field of network engineering construction and provides a submarine optical fiber cable laying method. The submarine optical fiber cable laying method comprises the following steps: step (1) carrying out real-time positioning on a submarine optical fiber cable ship by utilizing a navigation system so as to control the submarine optical fiber cable ship to move according to a positioning direction; step (2) recording data, obtained by the navigation system, by a control center and printing; meanwhile, sending the data to the submarine optical fiber cable ship by the control center, so as to realize real-time construction, installation and positioning; step (3) carrying out cable laying by the submarine optical fiber cable ship under guidance of a pre-recorded positioning route; and step (4) detecting the dynamic of laid cables in real time by a laying quality detection system, and storing in the control center so as to be convenient for observing in real time and convenient for repairing. By adopting the submarine optical fiber cable laying method, the integration of cable laying and quality detection can be effectively realized; and the method not only has high laying precision, but also realizes real-time monitoring, and the further maintenance requirements are convenient to meet.

The invention provides a method and device for detecting cell cross-boundary coverage, and relates to the technical field of communication. Detection accuracy of cell cross-boundary coverage can be improved and human and material resources are saved. The method includes the steps that according to network engineering parameters, the directions of all adjacent cells of a current cell relative to the current cell are determined, and according to the directions of all the adjacent cells relative to the current cell, multiple first adjacent cells in all the cells are determined, wherein the first adjacent cells and the current cell have overlapping coverage regions; according to the network engineering parameters, the distances between the first adjacent cells and the current cell and the direction of second adjacent cells relative to other first adjacent cells are determined, and according to the distances between the first adjacent cells and the current cell and the directions of the adjacent cells relative to the other first adjacent cells, whether intermediate adjacent cells exist in other first adjacent cells or not is determined; when the intermediate adjacent cells exist in the other first adjacent cells, a controller can confirm that the cross-boundary coverage phenomenon exits in the current cell. The method is applied to cell coverage detection scenes.