What is a Wi-Fi Heat Map?
A Wi-Fi heat map is a visual representation of Wi-Fi signal strength that provides visibility into your network and coverage.
What is a Wi-Fi Heat Map?
Wi-Fi Heat Map Definition
Wi-Fi heat maps, also called Wi-Fi coverage maps, are two-dimensional diagrams that show wireless access points’ signal coverage. These maps use color to indicate which areas have strong connections and which have weaker ones.
These two-dimensional representations of network connection strength are simple to understand thanks to their intuitive color coding and the way these colors are laid over a representation of the room or floor plan in question. Wi-Fi heat maps can represent network connections in everything from warehouses and conference centers to office buildings and entire cities.
With the help of Wi-Fi heat maps, you can understand the signal strengths throughout your space at a glance. This will enable you to quickly pinpoint areas with poor connectivity and effectively adjust your wireless access points to eliminate dead zones.
How Do Wi-Fi Heat Maps Work?
Wi-Fi heat maps use a color-coded system to indicate which areas have strong signals and which do not. Generally, Wi-Fi heat mapping software will return a map where red signifies the strongest signal, blue represents the areas with the weakest signal, and yellow and orange indicate areas that fall somewhere in between. Luckily, nearly every Wi-Fi heat mapping tool will include a key explaining what each color means.
When it comes to how to create a Wi-Fi heat map, you have a few options. While creating your own solution is possible, that would require lots of time and extensive software development. Similarly, using a physical map and conducting a manual site survey to create a custom Wi-Fi map can be an equally time-consuming and labor-intensive process. However, these aren’t the only methods for how to make these maps. Most organizations opt to use pre-existing, easy-to-use Wi-Fi coverage map software.
To use a Wi-Fi heat map tool, you must first upload a floor plan. Your Wi-Fi heat mapping solution will then determine signal strengths and overlay the appropriate color over your floor plan, allowing you to see signal strength right away.
What Are Wi-Fi Dead Spots/Zones?
If you’ve ever needed to give a work presentation or take a Zoom call from a specific location but been unable to find a Wi-Fi signal no matter how hard you try, you’ve probably come across a Wi-Fi dead spot, also known as a Wi-Fi dead zone.
Wi-Fi dead spots are areas within wireless LAN locations that are supposed to receive Wi-Fi but do not. If you try to access Wi-Fi from a dead zone, your device will search for a signal but won’t find one. These zones can be found in our offices, homes, and warehouses, and can be incredibly frustrating, especially if you want or need to spend time in a specific location.
Common culprits behind Wi-Fi dead spots include:
- Radio interference: As a radio signal, Wi-Fi can be disrupted by nearly everything capable of disrupting radio, including metallic barriers, thick walls, electronics, competing Wi-Fi networks, and various sources of electromagnetic interference.
- Wi-Fi access point range issues: While cell phone access points seamlessly pass users onto the next access point whenever their signal weakens, Wi-Fi networks typically can’t do the same. As a result, any loss in Wi-Fi connectivity can cause more significant disruption.
Fortunately, a Wi-Fi dead zone isn’t the end of the world. In fact, troubleshooting or completely eliminating Wi-Fi dead spots can be simple—and it starts with using the right maps to identify areas with little to no connectivity.
Wi-Fi Heat Mapping Benefits (The Importance For Business Networks)
Wi-Fi heat mapping is essential for business networks. By having a visual representation of Wi-Fi signal strength, you can quickly identify dead zones and signal leakage, better understand your network, improve coverage, better plan for capacity, and optimize your entire network.
A Wi-Fi heat map can help you determine where Wi-Fi signals are strongest and where to improve. With a visual representation of your network’s coverage, you can easily view any overlaps with neighboring networks and see whether your current setup allows unauthorized users to piggyback off your network. (For example, your neighbors in the next office over could be accessing your network if they’re close enough to an access point).
With the help of a Wi-Fi heat map, you can also optimize your Wi-Fi network’s configuration, ensure strong, secure, and constant Wi-Fi signals, and boost your entire business’ productivity. After all, these diagrams give you a deeper understanding of your network, its areas of coverage, and its signal strength, so you can make more informed decisions when planning access point placement and creating channel and power plans.
How To Monitor Wi-Fi Network
We rely on Wi-Fi every day, but our Wi-Fi networks are constantly changing with new applications and devices joining and leaving—which means you need to be proactive and monitor your Wi-Fi network, regardless of how big or small your organization is. While watching your Wi-Fi network and manually pulling data is technically possible, we wouldn’t recommend it. Not only does that require a lot of time and energy, but it also leaves more room for mistakes. After all, one person can easily miss an access point, router log entry, or channel if they’re trying to collect and consolidate data from across your entire network. Instead, you should monitor your Wi-Fi network with the help of a Wi-Fi monitor.
These software platforms can collect, consolidate, and display data from across your network. A Wi-Fi monitor can automatically discover any wireless access points and controllers and enable you to categorize, monitor, and manage wireless and wired devices on your network. In most cases, you can choose which wireless spectrum you’d like to evaluate, such as the 2.4Ghz band, the 5GHz band, or the 6GHz band.
Then, your Wi-Fi monitoring tool will get to work gathering all the key performance indicators, synthesizing the data, and displaying information on your network’s health, channels, signal strength, and the devices on your network in a digestible format. Other details a Wi-Fi monitoring tool might collect and share include channels used, packet loss, node status, average response time, time connected, TCP retransmits, IP address, number of clients currently connected, and clients’ Received Signal Strength Indication (RSSI).
With the help of a Wi-Fi monitor, keeping your finger on the pulse of your entire Wi-Fi network will be simple, as your monitoring tool will consistently scan your network and track wireless devices. Not only does using a Wi-Fi monitor enable you to examine critical network paths, pinpoint where the problem originated, and quickly resolve it to improve performance and boost productivity, but it can also provide you with sufficient visibility to stop problems in their tracks.
A Wi-Fi monitor can also help ensure connections are safe and secure by alerting you of rogue devices joining your network and automatically flagging suspicious activity, such as fake service requests. Plus, many Wi-Fi monitoring solutions will also create heat maps, so you can view signal strength in real time, troubleshoot connectivity issues even faster, and make more effective adjustments to your network infrastructure.
How To Analyze Wi-Fi Network
Wi-Fi analysis, the practice of continually monitoring your Wi-Fi infrastructure and performance, is essential for every organization. After all, with Wi-Fi network analysis, you can gain insight into your network, its devices, its configuration, its traffic, and its performance metrics, enabling you to detect and quickly resolve connectivity issues, and improve the end-user experience and productivity across your network. On the other hand, forgoing Wi-Fi analysis could leave you with compliance gaps, poor connectivity, resource inefficiencies, and expensive and frustrating service downtimes that reduce productivity.
To effectively analyze your Wi-Fi network, you’ll need to use a Wi-Fi network analyzer. These tools can pull data from your wireless network and aggregate everything into a single, easy-to-use dashboard. Wi-Fi network analyzers generally gather information from access points, wireless clients, and wireless controllers to paint a complete picture of a network and enable network administrators to optimize their network configuration and troubleshoot problems.
A Wi-Fi network analyzer can retrieve performance metrics, configuration details, and device downtime and traffic data, meaning troubleshooting network connectivity problems will be faster and easier. Additionally, some Wi-Fi network analyzers can create custom, color-coded diagrams detailing signal strength and identifying Wi-Fi dead zones or provide insight into network paths.
What Are The Causes of Slow Wi-Fi?
What Types of Issues Can Impact Wi-Fi Performance And Wi-Fi Coverage?
Nothing is as frustrating as slow Wi-Fi or a lack of Wi-Fi coverage, but what causes these performance issues? There are a few common culprits, including:
- Too few Wi-Fi access points: If you don’t have enough Wi-Fi access points, you won’t be able to experience optimal Wi-Fi coverage and performance. A map can inform you which areas could use a Wi-Fi access point.
- Too many Wi-Fi access points: It may seem counterintuitive, but having too many Wi-Fi access points in one area can also negatively impact your network’s performance. Multiple access points on the same channel can cause dropped connections, lost packets, and poor network performance, so do not overdo it.
- Physical obstructions: Thick walls, metal filing cabinets, refrigerators, furniture, and even people can impact your Wi-Fi performance and coverage. Again, a Wi-Fi coverage map could be handy here by quickly identifying any physical obstructions behind poor network performance.
- Other nearby wireless networks: Having neighbors is often unavoidable, whether they’re on the floor above you or on the other side of a wall, but having nearby wireless networks can cause slower network speeds. If your networks use the same wireless channel, your signals will compete with or confuse one another, resulting in poor signal strength, dead zones, and subpar performance. Fortunately, a heat map can help indicate where competing networks negatively impact your wireless speed.
- Other interfering signals: Devices relying on radio waves can create interference. Likewise, microwaves, power strips, Bluetooth devices, and cordless phones can produce signals that impact Wi-Fi performance.
- The wrong router: Some routers are stronger than others—and if you have the wrong one, it may not cover all the areas you need.
How To Optimize And Boost Wi-Fi Network Performance (Common Practices)
Everything from too much interference to having the wrong number of access points to bulky filing cabinets can affect your Wi-Fi network performance. But, there are plenty of ways to speed up your Wi-Fi.
Common and effective tactics for optimizing Wi-Fi network performance include:
- Relocating your router: Moving your router is a simple fix for connectivity problems caused by physical obstructions. For example, if it’s behind a large metal filing cabinet, try placing it in a more central and unobstructed location to improve network coverage and performance. If it’s in a room at the edge of your space, try moving it to a more central location. Consider moving it to the second if it’s on the first floor of your three-story office building. Avoid placing it in a cabinet, near large electronic devices, or behind a thick wall, as this creates interference and affects connectivity.
- Updating your router’s firmware: A router with outdated firmware won’t be running at its best, so it’s always a good idea to check that your router’s firmware is current. Head over to the manufacturer’s website to view the latest firmware version.
- Changing your router’s band and channel: Most modern Wi-Fi routers are dual-band, meaning they can send and receive Wi-Fi signals using two bands (2.4GHz and 5GHz)—and the newest ones also have 6GHz available. However, if you and your neighbors use the same channel, your Wi-Fi speed will slow down due to all the traffic. The 2.4GHz band is the most commonly used option, so manually switching your router to operate on the 5GHZ or 6GHz bands could instantly boost connectivity. Within each band are various channels, and chances are you’ll be able to find a channel that no nearby buildings or office floors are using, especially since the 5GHz band offers more channels (and fewer overlapping channels) than the 2.4GHz band. This can eliminate interference, reduce congestion, and improve performance. However, note that the 5GHz band offers a shorter range than the 2.4GHz band.
- Using a Wi-Fi extender, booster, or repeater: External devices like Wi-Fi extenders, boosters, and repeaters can immediately eliminate dead zones. These devices can amplify the Wi-Fi signal (repeater) or rebroadcast it to areas the router has difficulty reaching (extender), spreading the signal throughout your space more evenly and helping eliminate dead spots. Just remember that these are also vulnerable to interference.
- Managing users: Users are a major bandwidth hog—so make sure you don’t have any unauthorized users piggybacking off your network. Since you only have access to a certain amount of bandwidth, you should closely examine and manage your users to save bandwidth and boost network performance. If you plan on offering Wi-Fi to customers, consider getting a second, completely separate network so guest activity isn’t clogging up your network and affecting your productivity.
Automated Wi-Fi Heat Mapping
Identifying Wi-Fi dead zones used to involve wandering around with your wireless device, watching the Wi-Fi signal indicator in the top corner, and manually creating a map illustrating where the signal is weakest and strongest. However, those days are gone. Automated Wi-Fi heat mapping makes understanding your Wi-Fi network easier.
Automated Wi-Fi heat mapping software can quickly figure out where wireless dead zones are and even share where signal strength is strongest. The coverage mapping process will be fast and automated, and the maps returned by this software will be color-coded and easy to understand.
While all Wi-Fi heat mapping solutions can collect data from your network to generate a heat map, not all are created equal. They range in size, price, and quality. When choosing your Wi-Fi heat map software, you’ll want to prioritize finding something easy to use. After all, one of the main benefits of having an automated tool is that it makes understanding your network and signal strength much easier.
You’ll also need to find a tool compatible with your Wi-Fi routers and other hardware, scalable for when it’s time to grow your organization, and offering a high return on investment. If possible, use a tool that provides detailed reporting for heat maps, is compatible with a wide range of equipment and vendors, provides network monitoring alerts, and can automatically discover wireless controllers and access points.
What is a Wi-Fi Heat Map?
Wi-Fi Heat Map Definition
Wi-Fi heat maps, also called Wi-Fi coverage maps, are two-dimensional diagrams that show wireless access points’ signal coverage. These maps use color to indicate which areas have strong connections and which have weaker ones.
These two-dimensional representations of network connection strength are simple to understand thanks to their intuitive color coding and the way these colors are laid over a representation of the room or floor plan in question. Wi-Fi heat maps can represent network connections in everything from warehouses and conference centers to office buildings and entire cities.
With the help of Wi-Fi heat maps, you can understand the signal strengths throughout your space at a glance. This will enable you to quickly pinpoint areas with poor connectivity and effectively adjust your wireless access points to eliminate dead zones.
How Do Wi-Fi Heat Maps Work?
Wi-Fi heat maps use a color-coded system to indicate which areas have strong signals and which do not. Generally, Wi-Fi heat mapping software will return a map where red signifies the strongest signal, blue represents the areas with the weakest signal, and yellow and orange indicate areas that fall somewhere in between. Luckily, nearly every Wi-Fi heat mapping tool will include a key explaining what each color means.
When it comes to how to create a Wi-Fi heat map, you have a few options. While creating your own solution is possible, that would require lots of time and extensive software development. Similarly, using a physical map and conducting a manual site survey to create a custom Wi-Fi map can be an equally time-consuming and labor-intensive process. However, these aren’t the only methods for how to make these maps. Most organizations opt to use pre-existing, easy-to-use Wi-Fi coverage map software.
To use a Wi-Fi heat map tool, you must first upload a floor plan. Your Wi-Fi heat mapping solution will then determine signal strengths and overlay the appropriate color over your floor plan, allowing you to see signal strength right away.
What Are Wi-Fi Dead Spots/Zones?
If you’ve ever needed to give a work presentation or take a Zoom call from a specific location but been unable to find a Wi-Fi signal no matter how hard you try, you’ve probably come across a Wi-Fi dead spot, also known as a Wi-Fi dead zone.
Wi-Fi dead spots are areas within wireless LAN locations that are supposed to receive Wi-Fi but do not. If you try to access Wi-Fi from a dead zone, your device will search for a signal but won’t find one. These zones can be found in our offices, homes, and warehouses, and can be incredibly frustrating, especially if you want or need to spend time in a specific location.
Common culprits behind Wi-Fi dead spots include:
- Radio interference: As a radio signal, Wi-Fi can be disrupted by nearly everything capable of disrupting radio, including metallic barriers, thick walls, electronics, competing Wi-Fi networks, and various sources of electromagnetic interference.
- Wi-Fi access point range issues: While cell phone access points seamlessly pass users onto the next access point whenever their signal weakens, Wi-Fi networks typically can’t do the same. As a result, any loss in Wi-Fi connectivity can cause more significant disruption.
Fortunately, a Wi-Fi dead zone isn’t the end of the world. In fact, troubleshooting or completely eliminating Wi-Fi dead spots can be simple—and it starts with using the right maps to identify areas with little to no connectivity.
Wi-Fi Heat Mapping Benefits (The Importance For Business Networks)
Wi-Fi heat mapping is essential for business networks. By having a visual representation of Wi-Fi signal strength, you can quickly identify dead zones and signal leakage, better understand your network, improve coverage, better plan for capacity, and optimize your entire network.
A Wi-Fi heat map can help you determine where Wi-Fi signals are strongest and where to improve. With a visual representation of your network’s coverage, you can easily view any overlaps with neighboring networks and see whether your current setup allows unauthorized users to piggyback off your network. (For example, your neighbors in the next office over could be accessing your network if they’re close enough to an access point).
With the help of a Wi-Fi heat map, you can also optimize your Wi-Fi network’s configuration, ensure strong, secure, and constant Wi-Fi signals, and boost your entire business’ productivity. After all, these diagrams give you a deeper understanding of your network, its areas of coverage, and its signal strength, so you can make more informed decisions when planning access point placement and creating channel and power plans.
How To Monitor Wi-Fi Network
We rely on Wi-Fi every day, but our Wi-Fi networks are constantly changing with new applications and devices joining and leaving—which means you need to be proactive and monitor your Wi-Fi network, regardless of how big or small your organization is. While watching your Wi-Fi network and manually pulling data is technically possible, we wouldn’t recommend it. Not only does that require a lot of time and energy, but it also leaves more room for mistakes. After all, one person can easily miss an access point, router log entry, or channel if they’re trying to collect and consolidate data from across your entire network. Instead, you should monitor your Wi-Fi network with the help of a Wi-Fi monitor.
These software platforms can collect, consolidate, and display data from across your network. A Wi-Fi monitor can automatically discover any wireless access points and controllers and enable you to categorize, monitor, and manage wireless and wired devices on your network. In most cases, you can choose which wireless spectrum you’d like to evaluate, such as the 2.4Ghz band, the 5GHz band, or the 6GHz band.
Then, your Wi-Fi monitoring tool will get to work gathering all the key performance indicators, synthesizing the data, and displaying information on your network’s health, channels, signal strength, and the devices on your network in a digestible format. Other details a Wi-Fi monitoring tool might collect and share include channels used, packet loss, node status, average response time, time connected, TCP retransmits, IP address, number of clients currently connected, and clients’ Received Signal Strength Indication (RSSI).
With the help of a Wi-Fi monitor, keeping your finger on the pulse of your entire Wi-Fi network will be simple, as your monitoring tool will consistently scan your network and track wireless devices. Not only does using a Wi-Fi monitor enable you to examine critical network paths, pinpoint where the problem originated, and quickly resolve it to improve performance and boost productivity, but it can also provide you with sufficient visibility to stop problems in their tracks.
A Wi-Fi monitor can also help ensure connections are safe and secure by alerting you of rogue devices joining your network and automatically flagging suspicious activity, such as fake service requests. Plus, many Wi-Fi monitoring solutions will also create heat maps, so you can view signal strength in real time, troubleshoot connectivity issues even faster, and make more effective adjustments to your network infrastructure.
How To Analyze Wi-Fi Network
Wi-Fi analysis, the practice of continually monitoring your Wi-Fi infrastructure and performance, is essential for every organization. After all, with Wi-Fi network analysis, you can gain insight into your network, its devices, its configuration, its traffic, and its performance metrics, enabling you to detect and quickly resolve connectivity issues, and improve the end-user experience and productivity across your network. On the other hand, forgoing Wi-Fi analysis could leave you with compliance gaps, poor connectivity, resource inefficiencies, and expensive and frustrating service downtimes that reduce productivity.
To effectively analyze your Wi-Fi network, you’ll need to use a Wi-Fi network analyzer. These tools can pull data from your wireless network and aggregate everything into a single, easy-to-use dashboard. Wi-Fi network analyzers generally gather information from access points, wireless clients, and wireless controllers to paint a complete picture of a network and enable network administrators to optimize their network configuration and troubleshoot problems.
A Wi-Fi network analyzer can retrieve performance metrics, configuration details, and device downtime and traffic data, meaning troubleshooting network connectivity problems will be faster and easier. Additionally, some Wi-Fi network analyzers can create custom, color-coded diagrams detailing signal strength and identifying Wi-Fi dead zones or provide insight into network paths.
What Are The Causes of Slow Wi-Fi?
What Types of Issues Can Impact Wi-Fi Performance And Wi-Fi Coverage?
Nothing is as frustrating as slow Wi-Fi or a lack of Wi-Fi coverage, but what causes these performance issues? There are a few common culprits, including:
- Too few Wi-Fi access points: If you don’t have enough Wi-Fi access points, you won’t be able to experience optimal Wi-Fi coverage and performance. A map can inform you which areas could use a Wi-Fi access point.
- Too many Wi-Fi access points: It may seem counterintuitive, but having too many Wi-Fi access points in one area can also negatively impact your network’s performance. Multiple access points on the same channel can cause dropped connections, lost packets, and poor network performance, so do not overdo it.
- Physical obstructions: Thick walls, metal filing cabinets, refrigerators, furniture, and even people can impact your Wi-Fi performance and coverage. Again, a Wi-Fi coverage map could be handy here by quickly identifying any physical obstructions behind poor network performance.
- Other nearby wireless networks: Having neighbors is often unavoidable, whether they’re on the floor above you or on the other side of a wall, but having nearby wireless networks can cause slower network speeds. If your networks use the same wireless channel, your signals will compete with or confuse one another, resulting in poor signal strength, dead zones, and subpar performance. Fortunately, a heat map can help indicate where competing networks negatively impact your wireless speed.
- Other interfering signals: Devices relying on radio waves can create interference. Likewise, microwaves, power strips, Bluetooth devices, and cordless phones can produce signals that impact Wi-Fi performance.
- The wrong router: Some routers are stronger than others—and if you have the wrong one, it may not cover all the areas you need.
How To Optimize And Boost Wi-Fi Network Performance (Common Practices)
Everything from too much interference to having the wrong number of access points to bulky filing cabinets can affect your Wi-Fi network performance. But, there are plenty of ways to speed up your Wi-Fi.
Common and effective tactics for optimizing Wi-Fi network performance include:
- Relocating your router: Moving your router is a simple fix for connectivity problems caused by physical obstructions. For example, if it’s behind a large metal filing cabinet, try placing it in a more central and unobstructed location to improve network coverage and performance. If it’s in a room at the edge of your space, try moving it to a more central location. Consider moving it to the second if it’s on the first floor of your three-story office building. Avoid placing it in a cabinet, near large electronic devices, or behind a thick wall, as this creates interference and affects connectivity.
- Updating your router’s firmware: A router with outdated firmware won’t be running at its best, so it’s always a good idea to check that your router’s firmware is current. Head over to the manufacturer’s website to view the latest firmware version.
- Changing your router’s band and channel: Most modern Wi-Fi routers are dual-band, meaning they can send and receive Wi-Fi signals using two bands (2.4GHz and 5GHz)—and the newest ones also have 6GHz available. However, if you and your neighbors use the same channel, your Wi-Fi speed will slow down due to all the traffic. The 2.4GHz band is the most commonly used option, so manually switching your router to operate on the 5GHZ or 6GHz bands could instantly boost connectivity. Within each band are various channels, and chances are you’ll be able to find a channel that no nearby buildings or office floors are using, especially since the 5GHz band offers more channels (and fewer overlapping channels) than the 2.4GHz band. This can eliminate interference, reduce congestion, and improve performance. However, note that the 5GHz band offers a shorter range than the 2.4GHz band.
- Using a Wi-Fi extender, booster, or repeater: External devices like Wi-Fi extenders, boosters, and repeaters can immediately eliminate dead zones. These devices can amplify the Wi-Fi signal (repeater) or rebroadcast it to areas the router has difficulty reaching (extender), spreading the signal throughout your space more evenly and helping eliminate dead spots. Just remember that these are also vulnerable to interference.
- Managing users: Users are a major bandwidth hog—so make sure you don’t have any unauthorized users piggybacking off your network. Since you only have access to a certain amount of bandwidth, you should closely examine and manage your users to save bandwidth and boost network performance. If you plan on offering Wi-Fi to customers, consider getting a second, completely separate network so guest activity isn’t clogging up your network and affecting your productivity.
Automated Wi-Fi Heat Mapping
Identifying Wi-Fi dead zones used to involve wandering around with your wireless device, watching the Wi-Fi signal indicator in the top corner, and manually creating a map illustrating where the signal is weakest and strongest. However, those days are gone. Automated Wi-Fi heat mapping makes understanding your Wi-Fi network easier.
Automated Wi-Fi heat mapping software can quickly figure out where wireless dead zones are and even share where signal strength is strongest. The coverage mapping process will be fast and automated, and the maps returned by this software will be color-coded and easy to understand.
While all Wi-Fi heat mapping solutions can collect data from your network to generate a heat map, not all are created equal. They range in size, price, and quality. When choosing your Wi-Fi heat map software, you’ll want to prioritize finding something easy to use. After all, one of the main benefits of having an automated tool is that it makes understanding your network and signal strength much easier.
You’ll also need to find a tool compatible with your Wi-Fi routers and other hardware, scalable for when it’s time to grow your organization, and offering a high return on investment. If possible, use a tool that provides detailed reporting for heat maps, is compatible with a wide range of equipment and vendors, provides network monitoring alerts, and can automatically discover wireless controllers and access points.
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