WiFi Heat Maps: Applications, Benefits & Top Solution Providers
Advertisement
Introduction
In today’s digitally connected world, demand for robust wireless networks is increasing due to increased usage of indoor (wifi, bluetooth etc.) and outdoor (2g gsm, 4g lte, 5g nr etc.) wireless technologies. The growth of wifi networks have been increased due to wide availability of standard compliant cheap routers. People in corporate offices, expansive educational campuses or cozy home environments use wifi for internet connectivity. However, achieving optimal WiFi performance isn’t solely about having high speed internet; it’s about strategic planning and insightful analysis. This is where WiFi heat maps come into play.
By providing a visual representation of wireless signal distribution, these heat maps empower network administrators and homeowners alike to identify coverage gaps, optimize access point (AP) placements, and enhance overall wi-fi network efficiency. In this guide, we will explore practical applications of WiFi heat maps, explore their benefits and highlight leading solution providers that can help you harness this technology to its fullest potential.
What are WiFi Heat Maps?
It is a visual representation of wireless signal strength and coverage in specific area, such as office, home or campus. It uses color gradients to indicate strength and quality of wifi signals at various points in the area. Common color codes include red , yellow/orange , blue and gray .
Inputs
Following inputs are required to generate an accurate heat map by the wifi heat mapping software.
- Scaled image or blueprint of the area under survey such as office, home or campus layout.
- WiFi signal measurement data collected by moving through the space with laptop or smartphone and running heat mapping software. Data include RSSI, SNR, frequency channels in use and interference sources.
- WiFi routers or access points (APs) including their SSIDs, locations and transmit power levels.
- Data on physical obstructions and materials that may affect signal propagation.
Outputs
Following are the outputs generated by wifi heat mapping software after processing above inputs. This can be used to install wifi AP or wifi extender at the premises to avoid dead zones and achieve robust wifi signal to access smooth internet without any issues.
- Color coded heat map : Visual representation overlaid on floor plan with signal strength variations.
- Coverage reports : Highlighting areas with adequate coverage, weak spots and dead zones.
- Interference analysis : Identification of sources which causes signal degradation such as overlapping channels.
- Access Point (AP) or router placement recommendations to enhance coverage and performance.
- Options to export maps and reports in various formats such as pdf, csv for documentation and further analysis.To generate an accurate heat map, the software
Figure depicts wifi heat map for 3BHK home. It shows AP installed in the hall. In this scenario, two bedrooms have good wifi signal strength and one bedroom has weak signal strength. In order to access robust internet connectivity in the bedroom having poor wifi signal strength following are the recommendations.
- Install one more wifi AP or router in the bedroom.
- Install WiFi extender in the line of sight (LOS) of the wifi AP or router.
Advantages of WiFi Heat Maps
Following are some of the benefits of wifi heat maps.
- It helps to improve network coverage by identifying dead spots (i.e. weak signal zones) and optical placement of APs.
- It enhances performance by ensuring consistent signal strength every where and delivering required internet speed with reduction in latency and packet loss.
- It detects overlapping channels and interference from other wireless devices.
- It assists in planning wifi deployment for new buildings or floors.
- It prevents overprovisioning by deploying only the necessary number of APs. This saves costs.
- It pinpoints issues at early stage by visualizing signal drops or congested areas.
Applications of WiFi Heat Maps
Following are some of the major applications or use cases of the software.
- To maintain seamless WiFi connectivity for employees and guests in enterprise and office buildings.
- Campus wide wifi planning and optimization in educational institutions.
- Ensures reliable connectivity for inventory systems and automation tools in warehouses and factories.
- In retail stores and shopping malls it supports digital signage, payment systems and customer wifi.
- At hospitals and healthcare facilities, it guarantees uninterrupted connectivity for critical medical devices and equipments.
- In smart homes and IoT environments, it ensures optical coverage for smart devices such as camera, thermostats and voice assistants.
Top WiFi Heat Map Software Providers
Company | Features |
---|---|
Ekahau | Key features : real time heat mapping, spectrum analysis, auto-placement of APs ; Platform : Windows, macOS ; version : Paid |
NetSpot | Key features: Passive & active scanning, heat map visualization, easy to use interface ; platform : Windows, macOS ; version : Free |
Acrylic | Features : Predictive wifi planning, survey tools, channel interference analysis ; Platform : Windows ; version : Paid |
Vistumbler | Key features : Visual wifi signal graphing, GPS support ; Platform : Windows ; Version : Free (Open source) |
TP-Link Omada Controller | Key features : Built-in heatmap & planning, centralized management ; Platform : Windows, Linux, Cloud ; Version : Free with TP-link hardware |
AirMagnet Survey (by NetAlly) | Features : High accuracy heatmaps, voice over wifi mapping, capacity planning; Platform : Windows ; Version : Paid |
Conclusion
WiFi heat maps serve as a vital tool in the quest for superior wireless connectivity as it helps in identifying dead zones and to optimize wifi access point or router placements. There are numerous solution providers who offer specialized tools with unique features. Embracing WiFi heat mapping not only addresses current connectivity challenges but also lays the groundwork for scalable and resilient network infrastructures in the future.
Advertisement