In today's world of wireless technology, users often face the need to expand their coverage area or create a new network from scratch. When it comes to how exactly the connection between devices is organized, a technical question arises: what is the name of a WiFi network built on an access point? The answer determines not only the terminology but also the choice of equipment and security settings.
The basic standard for most home and business networks is Infrastructure Mode (Infrastructure mode). In this mode, the access point acts as the central hub through which all traffic passes. Understanding this architecture is critical for properly configuring the router and troubleshooting connection issues.
However, there are other communication methods that can be useful in specific scenarios. For example, temporary networks without a central controller or bridges between buildings. In this article, we will examine all the topology options in detail, their differences, and areas of application.
Main mode: Infrastructure network (Infrastructure Mode)
When you buy a standard wireless router and connect a laptop or smartphone to it, you create a network in infrastructure mode. This is the classic "star" model, where Access Point is the sole control center. All devices, called clients, cannot communicate directly with each other without the participation of this central node.
This architecture ensures stability and manageability. The access point handles airtime distribution, signal strength management, and channel switching. If one device fails, the rest of the network continues to operate, making this method the most reliable for continuous use.
Configuring this mode usually requires access to the router's web interface. The standard path often looks like this: 192.168.0.1 or 192.168.1.1In the wireless network section, you need to select the operating mode AP Mode or Router Mode, which activates the infrastructure model.
⚠️ Attention: When using infrastructure mode, bandwidth is divided among all connected clients. If 50 devices are connected to a single access point, the internet speed on each will be significantly lower than with five devices connected.
It's important to understand that in this mode, the SSID (network name) is broadcast by the access point. Client devices scan the air, find this identifier, and request a connection. Without an active access point, creating such a network is impossible.
Alternative: Ad-Hoc (Peer-to-Peer) Mode
There is a network design option that is fundamentally different from the classic access point model. It is called Ad-Hoc or a peer-to-peer network. In this configuration, devices connect directly to each other, without the use of any central equipment such as a router or access point.
This approach is often used for quickly transferring files between laptops or temporarily connecting devices to a gaming network. However, Ad-Hoc mode has serious limitations. Primarily, it lacks security and internet access unless one of the devices has a second network adapter for sharing.
Setting up an Ad-Hoc network in modern operating systems such as Windows 10 or Windows 11, may be hidden or simplified to the "Mobile Hotspot" function. This is because classic Ad-Hoc is considered an outdated standard with low data transfer rates.
- 📡 Lack of a central hub: Each device is both a client and a repeater at the same time.
- 🔒 Security concerns: It is more difficult to implement modern encryption protocols; the network is visible to everyone within range.
- 📉 Low performance: The speed decreases with the addition of each new network participant.
If you are wondering what a WiFi network built on an access point is called, then Ad-Hoc is exactly the case when the access point not usedThis is an important nuance for understanding the differences in topologies.
Comparing Topologies: Infrastructure vs. Ad-Hoc
To fully understand the differences, it's important to consider the key comparison parameters. The choice between hotspot and peer-to-peer mode depends on your goals: whether you need constant internet access or occasional data transfers.
In infrastructure mode, the access point acts as a buffer and controller. It manages packet queues, preventing data collisions. In Ad-Hoc mode, devices are forced to negotiate transmission times, which, in noisy environments, leads to packet loss.
| Parameter | Infrastructure Mode | Ad-Hoc Mode |
|---|---|---|
| Central node | Access point (AP) | Absent |
| Scalability | High (up to 255 clients) | Low (3-5 devices) |
| Security | WPA2/WPA3 Enterprise | WEP/WPA Personal |
| Internet access | Yes (via AP gateway) | Only through sharing |
As the table shows, for any tasks related to building a stable home or office network, infrastructure mode is the undisputed leader. Ad-Hoc remains a niche solution for engineers and enthusiasts.
Extending Coverage: WDS and Bridge Modes
Often, a single access point isn't enough to cover an entire building. In such cases, the network is built using multiple interconnected access points. The technology WDS (Wireless Distribution System) allows you to connect access points wirelessly, creating a single network.
In Bridge mode, the access point doesn't create a new network for clients, but merely connects two wired network segments over the air. For example, this is ideal for connecting two houses in a location where cable installation is impossible or impractical.
When setting up WDS, it's important to keep in mind that the wireless channel's bandwidth is split in half: one portion is used to receive data from the main access point, the other is used to transmit to the client. Therefore, the speed at remote access points will always be lower than at the central access point.
To set up a bridge, you need to assign each other's MAC addresses to both devices. This ensures connection security, preventing unauthorized access to your communications channel.
Example of MAC filter configuration for WDS:1. Find out the MAC address of the second point (on the sticker or in the status).
2. Enter the Wireless -> WDS Settings menu.
3. Enter the MAC address in the "MAC Address of AP" field.
4. Save and reload.
⚠️ Attention: When using WDS, all access points in the chain must operate on the same channel and use the same encryption type. Incompatible settings will result in connection interruptions between nodes.
Modern solutions: Mesh systems
The evolution of the infrastructure regime has become Mesh systemsUnlike classic repeaters or simple WDS, this one uses intelligent network management. Multiple modules (nodes) are combined into a single seamless network with a single SSID.
The main advantage of Mesh is the ability for the client to switch between access points on the fly without losing the connection. As you walk around the house with your phone, the system automatically switches you to the nearest base station with the best signal. This is implemented by the standard. 802.11r/k/v.
In such systems, one point is designated as the master (controller), while the others operate as satellites. Configuration is typically done via a mobile app, simplifying the process for the end user. Algorithms automatically select the least noisy channel and the optimal data path.
- 🔄 Seamless roaming: Switching between nodes in milliseconds is seamless during video calls.
- 📱 Control via App: Easy setup of guest network and parental controls.
- 🌐 Self-organization: The network rebuilds itself when a new node is added or conditions change.
What is the difference between a repeater and a mesh node?
A repeater simply copies the signal, often creating a new network with the _EXT suffix and halving the speed. A mesh node operates intelligently, maintaining a single network and full speed thanks to a dedicated backhaul channel.
Technical nuances and frequency ranges
When building a network based on an access point, it is critical to select the correct frequency range. Modern standards offer operation in the following ranges: 2.4 GHz And 5 GHz (and also new 6 GHz in the Wi-Fi 6E standard).
The 2.4 GHz band has better wall penetration, but it's heavily congested with neighboring routers and appliances. This can be a problem in densely populated areas. The 5 GHz band offers higher speeds but has poorer penetration through obstacles.
Professional setup of an access point involves separating networks (SSID) for different ranges or using the function Smart Connect, which automatically directs the client to the optimal frequency. However, for static devices (TV, cameras), it's better to manually configure the 5 GHz connection.
Channel width also plays a role. For 2.4 GHz, it is recommended to set 20 MHzto avoid interference. For 5 GHz, you can safely use 40, 80 and even 160 MHz, if the environment allows.
☑️ Checking access point settings
Frequently Asked Questions (FAQ)
Is it possible to connect two routers without a cable in infrastructure mode?
Yes, this is possible using WDS technology or the Wireless Bridge feature. One router must operate in access point mode, and the other in client or bridge mode. However, the stability of this connection depends on line of sight and distance.
What is the name of the network if I share the Internet from my phone?
When you share internet from your smartphone, it temporarily becomes an access point (hotspot). To connected devices, it appears as a regular infrastructure network, although technically the phone uses a mobile interface to access the external network.
How many devices can one access point support at the same time?
Theoretically, the standard allows for connecting up to 255 devices. In practice, home routers consistently support 15-30 active clients. Enterprise-class access points can handle 50-100 or more devices thanks to their more powerful processors and queuing algorithms.
Do I need to change the WiFi channel manually?
In most cases, automatic channel selection works well. However, if you live in an apartment building and experience slow speeds, manually selecting a free channel in the 5 GHz band or the least congested 2.4 GHz band can significantly improve the situation.