33 results about "Network planning and design" patented technology

The application discloses an optical network planning method for asymmetric traffic transmission over a multi-core fiber optical network and a network using the same. The method comprises: acquiring an asymmetric traffic demand over a multi-core fiber optical network to obtain a target service; establishing a corresponding route depending on the target service, and selecting cores in a multi-core fiber and allocating corresponding frequency slots in an interleaving and counter-propagating manner to each link along the route to optimize optical network planning and design. With the method provided by the application, through selecting cores in a multi-core fiber and allocating corresponding frequency slots in an interleaving and counter-propagating manner to each link along the route, the inter-core crosstalk is suppressed and network capacity efficiency is increased, thereby optimizing optical network planning and design for traffic transmission over the multi-core fiber optical network.

The invention discloses a wired network basic resource management system, which is characterized in that it includes: a structured resource data management subsystem: including classifying various element attributes of network resources, formulating a naming method, and completing the naming and description of resources, The description of these data must be relevant and be able to support the data call of various functions of resource management; the basic resource function management subsystem: based on the resource object data, provide various network planning and design, construction, and actual operation and maintenance management. A practical function; external system docking and collaboration subsystem: based on the description of key resource object data, through information exchange with other business management information systems, realize the basic resource management platform and BOSS system, customer management system, equipment network management system, warehouse management System collaboration.

The invention discloses a method and a device for protecting PTN network services, and relates to a PTN network service planning technology based on P-cycle protection in communication network planning and design. The method includes: traversing each service in the PTN network service set, establishing a service path for each service route, and obtaining N service paths corresponding to the N services; Each link is configured with a protection circle suitable for multi-service; it is characterized in that: for the configured protection circle of any link traversed by multiple service paths in the N service paths, two protection paths are established, so that the two protection paths are The protection paths respectively provide protection for the link service sets of the protection circle. The invention can make use of the inseparable characteristics of PTN service flow and the advantages of high protection efficiency of the P-circle, and configure the P-circle protection of two protection paths for the spanning link, thereby improving the utilization rate of the network bandwidth.

The invention discloses an electric power communication access network design evaluation method based on a multi-object decision-making. The method specifically comprises the following steps that (1) an evaluation index library and an evaluation method library are established; (2) evaluation indexes and an evaluation method are determined through index inquiries; (3) single objects are evaluated through the evaluation method determined in the step (2); (4) based on a multi-object decision-making theory, multi-object decision-making is conducted according to evaluation results of the single objects, and a comprehensive evaluation result is obtained according to user demand weighing and mutual influences among different indexes and used for evaluating the advantages and the disadvantages of a design scheme and giving improvement measures. By means of the electric power communication access network design evaluation method, the four types of indexes of the economical efficiency, the technical character, the reliability and the safety of an electric power communication access network can be fully evaluated. The design scheme is effectively evaluated, the targeted improvement measures are given, the network planning and designing level is increased, and the intelligent development of power distribution and consumption network is better supported.

The invention discloses a network expansion method and device. The method comprises the steps of in a pre-stored first correspondence relationship between a first user perception rate threshold and a first network expansion index threshold, obtaining a second correspondence relationship of a region to be evaluated between a second user perception rate threshold and a second network expansion index threshold; determining a current user perception rate and a current network expansion index of the region to be evaluated; comparing the current user perception rate and the current network expansion index with the second user perception rate threshold and the second network expansion index threshold in the second correspondence relationship; and carrying out carrier frequency expansion for cell to be expanded when the obtained comparison result conforms to a cell expansion condition. The invention is used for solving the problem that generally, an LTE network mode is based on the standard mainly from corresponding threshold requirements given by the LTE network load and network planning and design requirements and the limitation is high.

The invention relates to a simulation method and equipment for polarization staggered coverage between cells. The method of the invention includes: setting a vertical polarization layer network by using the horizontal-vertical polarization isolation value, and setting the horizontal polarization layer network by using the vertical-horizontal polarization isolation value. Polarization layer network; respectively simulate the set vertical polarization layer network and horizontal polarization layer network, and obtain the basic wireless index results corresponding to all geographic points in the vertical polarization layer network and horizontal polarization layer network; for each geographic point, select the terminal antenna polarization direction with the best basic wireless index, and obtain the simulation result layer corresponding to the terminal antenna polarization direction; according to the simulation result layer corresponding to each geographical point, draw the terminal polarization direction and each Geographical distribution map of various indicators. The invention is simple and practical, can realize the coverage simulation under the condition of cell polarization interleaving, improves the network planning and design ability, improves the prediction and analysis level, and shortens the planning and design cycle.

The invention discloses a network operation and maintenance vulnerability analysis method. The method comprises the following steps: step 1, collecting network basic information; step 2, establishinga network operation and maintenance basic information representation model; step 3, establishing a user deserved permission matrix; step 4, establishing a permission change rule set; step 5, establishing a user actual permission matrix; and step 6, calculating a network operation and maintenance vulnerability index. According to the network operation and maintenance vulnerability analysis method disclosed by the invention, the vulnerability additionally introduced to a network in a network operation and maintenance activity is focused on discovering a security gap between the specific implementation of the network and a network planning design; when the network operation and maintenance vulnerability is discovered, the information in the traditional network domain is not only used, and a large amount of semantic information in a physical domain and an information domain are also used, so that a vulnerability analysis result is more specific and true; and the difference between the actual permission and the deserved permission of each user in a target network is used as the measurement of the network vulnerability, and the impact of the current network operation and maintenance activity on the network vulnerability is focused on.

The invention discloses a power grid planning and design phase load model selecting method; the power grid comprises an induction motor; the method comprises the following steps: 1, building an induction motor load equation; 2, determining the sensitive voltage u1 of an induction motor model; 3, calculating corrected recovery voltage u2 of an element N-1 in the model; 4, comparing the recovery voltage u2 with the sensitive voltage u1, and selecting a static state load model when u2 >= u1. The novel method can determine conditions under which the static state model can be selected in the power grid planning and design phase.

The invention discloses a planning big data management and control system of a smart power distribution network and a method. The system comprises that a data layer constructs a global power network planning model; a basic data dictionary containing power network devices, graph standards and power network operation information is built; an application layer carries out statistic analysis and real time load actual measurement analysis to the power network devices and power network operation states in a set region; automatic filling of power network load data graphs, intelligent operation of planning data, intelligent verification of the planning data and intelligent statistics and summary of the planning data are realized; a service layer selects planning power network schemes; a display layer carries out centralized display, share and information issue to the planning and design achievement. According to the system and the method of the invention, through taking multi-source massive data such as basic geographic information, power network space and attribute thematic information and power network operation real time information as cores, planning and design data resources in the system are effectively integrated, a power network planning and design integrated information platform is built, and power network planning and design information-based foundation is tamped.

In the Zigbee protocol, the Zigbee2006 protocol stipulates the network node address allocation rules (Cskip). According to the protocol rules (Cskip), some nodes may not be able to join the network during the network deployment process. The present invention provides a network planning method for the situation that the Zigbee network cannot be added to the network because the network address cannot be assigned during the deployment process of the Zigbee network. In practical application, the present invention can be used as a method or criterion for Zigbee network planning, design, analysis and adjustment for specific implementation and application.

An embodiment of the invention discloses a network planning method, comprising: acquiring micro-station position information and macro-station position information, according to the micro-station position information and the macro-station position information, generating a micro-station neighboring list and a macro-station neighboring list; combining the micro-station neighboring list and the macro-station neighboring list, acquiring the neighboring list of the planning base station. The embodiment of the invention also provides a network planning device, comprising a generating module, for acquiring the micro-station position information and the macro-station position information, according to the micro-station position information and the macro-station position information, respectively generating a micro-station neighboring list and a macro-station neighboring list; an acquiring module, for combining the micro-station neighboring list and the macro-station neighboring list generated by the generating module, acquiring the neighboring list of the planning base station. The embodiment of the invention generates the neighboring list according to the position information, reachesthe effect of optimizing the network planning.

This application discloses a municipal rainwater pipe network planning and design system based on the spatial distribution characteristics of urban precipitation. The system includes a gridded urban precipitation simulation module, a gridded urban rainstorm intensity calculation module, and a rainwater pipe network based on the spatial distribution characteristics of urban precipitation. Planning, design and management module, rainwater pipe network planning and design scheme evaluation module based on urban precipitation spatial distribution characteristics, data storage module, and main controller. The urban rainstorm intensity parameters used in this application in the planning and design of the municipal rainwater pipe network are gridded two-dimensional data with spatial attributes, reflecting the spatial differences of precipitation characteristics at the urban scale, so as to realize the refined planning and design of the municipal rainwater pipe network, and make the municipal The construction of rainwater pipe network is more scientific and reasonable, and better matches the demand target of urban rainwater discharge.