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Home > Software & Data > iQ·link
iQ·link
Comprehensive Network View Module
Network View provides a multi-faceted interface that allows the user to graphically represent all or any part of the microwave network. Links and sites can be displayed, as well as information regarding each component, including frequencies, capacities, channelization plans, high-low configuration, and other details of the system. The Network View module provides a rapid overview of the network architecture and allows the engineer to perform many rapid engineering assessments such as quick point-to-point link clearance analysis and global line-of-sight studies from a single site with overlap region definition from multiple sites. Users have the ability to visualize environmental factors such as terrain, morphology, and clutter layers, as well as buildings, map, aerial imagery, vector data and other layers. Several Engineering functions can be accomplished directly from this utility including quick and detailed link profiles, rapid Line of Sight (LOS) analysis and reporting, site creation, chain reliability calculations and Coverage and C/I analysis for PMP systems. Quick Link Budget Design
iQ·link enables rapid creation of Point-to-Point (PtP) or Point-to-Multipoint (PMP) links. Links may be saved as working designs (nominal), primary designs or confirmed (password protected) links. The microwave design engineer may modify a link at any time and generate reports that take into effect the new data elements. iQ·link was created for engineers who are already familiar with the principles of microwave link design. For those operators who require technical training, please visit Comsearch Center for Technical Training or iQ·link Technical Training
Detailed Path Profile Analysis
iQ·link's Profile Module generates a terrain profile between two sites to determine the line-of-sight (LOS) characteristics of the proposed link. The terrain profile can also incorporate clutter data such as buildings and vegetation. Digitized terrain profiling allows the microwave design engineer to accurately optimize antenna heights for proper path clearance, while avoiding potentially harmful reflections. Results of the profile are shown both graphically and numerically for flat earth and up to three values of earth curvature (K-factor) and link clearance (Fresnel zone) criteria. The K-factors and Fresnel zone values are user-specified, and can be easily changed as necessary. Morphology, user-definable clutter and even high resolution building data can be incorporated into the path profile. Anti-Correlation analysis provides the user with the ability to determine the ideal primary and diversity antenna spacing required in order to counter multipath propagation effects (based on ITU-R P.530).
Availability and Performance Assessment iQ·link performs link availability and performance calculations using industry standard propagation and objective models including Vigants, Glauner, ITU-R P.530-6, ITU-R P.530-7, ITU-R P.530-8, ITU-R P.530-9, ITU-R P.530-10, ITU-T G.821 and G.826, Crane, ITU-R P.837-3, ITU-R P.837-1.
Interference Analysis iQ·link's detailed, efficient interference analysis, calculates the interference potential from a proposed new link against the database of all previously stored primary designs and confirmed links. Both Point-to-Point and Point-to-Multipoint systems are considered simultaneously. A Cumulative interference analysis is offered in order to predict the amount of degradation caused by the cumulative interference of a maturing network. Other options include the ability to utilize 3-D antenna patterns when available, predict diffraction loss along interference paths due to obstacles and relax interference objectives due to correlated fading in bands where rain is the primary fading mechanism.
Automatic Frequency Planning iQ·link provides the user with the ability to perform automatic frequency planning. Detailed criteria can be set so that the final result meets your network design needs. In addition, this module incorporates a sophisticated high/low conflict resolving algorithm. Combined with the speed of iQ.link's native calculation algorithm, this feature can significantly improve on design efficiency and time.
Point-to-Multipoint Design Functionality
iQ·link supports the design of Hub-Subscriber links that are required to implement such networks as Wireless Local Loop (WLL), Local Multipoint Distribution Service (LMDS), and other point-to-multipoint (PMP) applications. The network view module offers a color-coded plot of receive signal level (RSL) and interference (C/I) which may be displayed for selected hub sites within the Network View. The user controls the color-coding scales. It is possible to visualize locations around hub facilities where acceptable coverage and interference-free operation are available. Both omni-directional and sectorized antennas are supported with the ability to enter and utilize antenna pattern data in both the azimuth and elevation planes. When combined with high-resolution terrain and building data, design and analysis of point-to-multipoint networks is fast and simple. Utility Programs iQ·link comes with a complete set of system utility programs so that administrative tasks can be performed easily and with controlled access. By setting system defaults, it makes it easier to design and analyze links. Utility features include making calculations for Intermodulation products, locating a second point using coordinates using the first point (Find Point), converting coordinates between geographic reference and latitude/longitude (Coordinate Conversion), and import sites into the Sites and SIP (Sites In Progress) databases. The administrator can also establish GIS defaults, measurement system defaults, antenna Q-factors, and region definitions. Database functions include query, add/delete, and modify parameters. Reports iQ·link offers customer report generation for internal and external record keeping using third party report generators and via ODBC enabling the use of Excel and MSAccess to directly connect to our database schema. Top of page.
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