Wifi heatmapping software
WiFi Coverage Heatmap
Measure, plan, survey, visualise and troubleshoot an indoor WiFi network.
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What is a wifi coverage heatmap?
A WiFi heatmap is a visualisation of the quality of a wifi signal, either throughout a building or a city area. A WiFi heatmap can be based on a set of wifi signal measurements from a site survey, or from a model and simulation of the area.
A heatmap may be based on real world measurements, by using a survey tool to measure the wifi signal at many locations through an area of interest. Those measurements can be processed to build a map of the WiFi signal quality through the area.
A heatmap can be based on prediction, by building a model of the building or area of interest into an RF simulation software tool, and adding one or more wifi access points to the model, and running the simulations and calculations to predict the wifi signal quality throughout the environment.
A demonstration of wifi heatmapping from survey and prediction
The following is an overview of how to generate a wifi heatmap for an office building. This video includes:
- creating a model of the building
- performing a site survey for a heatmap from measurement
- generating a heatmap from simulation/ prediction
- exporting the results for further analysis
Click here to see options to get EMSlice
Why is a WiFi heatmap important?
Wifi network design and installation is becoming more and more complex and expensive with multiple high density networks becoming more and more common.
A predicted/ simulated wifi heatmap can be used to test the coverage of a wifi network design, before the network is installed.
A predicted wifi heatmap will help in planning the network, to know what resources etc will be required to deliver the required coverage.
A surveyed wifi heatmap will indicate where a wifi network is giving good performance, ie good signal strength, and where the signal is weak or of lower power, identifying deadspots, etc.
A surveyed wifi heatmap can also be used to validate that an installed network is performing as expected.
How does wifi surveyed heatmap work?
A surveyed WiFi heatmap works by using a laptop’s wifi interface to listen for wifi signals that are available, and as the user moves through the environment, those captured signals are added to different locations around an environment of interest. Those captured signals are added to the environment to build up a map of the wifi signals available across the area. The resulting heatmap gives an indication of the coverage achieved by existing wifi networks in the area of interest.
How does wifi predicted heatmap work?
A predicted wifi heatmap is built on a model of the building including the walls, doors, windows, etc such that the wifi/ radio propagation environment is understood. Once a model of the environment is build into a radio planning tool, one or more wifi access points are added to the model and then a set of simulations and calculations are done to predict the performance and coverage of the planned wifi network.
The simulation is completed by a combination of ray tracing and path loss calculations among others.
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What else is possible?
For heatmapping of networks other than WiFi, click here
To heatmapping of networks in outdoor/ urban or rural areas, click here