Analyze Intelligent Wi-Fi to Deal with Radio Frequency Interference
solution:
Using dynamic beam forming technology to automatically avoid interference
Use smarter antennas to solve interference problems
The ideal goal of Wi-Fi is to send a Wi-Fi signal directly to a user and monitor the signal to ensure that it is delivered to the user at the maximum rate. It constantly redirects the Wi-Fi transmission on the signal path, which is clean and does not need to change the channel.
The new Wi-Fi technology combines dynamic beamforming and small smart antenna arrays (so-called "smart Wi-Fi") to become the closest solution to the ideal wireless realm.
Dynamic, antenna-based beamforming is a newly developed technique for changing the shape and direction of RF energy emitted by the AP. Dynamic beamforming technology focuses on Wi-Fi signals and automatically "leads" them around the surrounding interference only when they need it, ie when interference occurs.
Using dynamic beam forming technology to automatically avoid interference
These systems use different antenna modes for each client and change the antenna mode when problems arise. For example, in the presence of interference, the smart antenna can select a signal mode that is attenuated in the direction of the interference, thereby increasing the SINR and avoiding the method of reducing the physical data rate.
The antenna-based beam forming technique employs multiple directional antenna elements to provide thousands of antenna patterns or paths between the AP and the client. Radio frequency energy can be radiated through the best path to achieve the highest data rate and lowest packet loss rate.
Monitoring of standard Wi-Fi medium access control (MAC) client acknowledgments can determine signal strength, throughput, and packet loss for selected paths. This ensures that the AP can accurately understand the customer's experience, and in the event of interference, the AP can fully control the selection of the best path.
Smart antenna arrays also actively reject interference. Since Wi-Fi only allows one user to be served at the same time, these antennas are not used to transmit data to a specific client, but to all clients, so as to ignore or reject those that usually inhibit Wi-Fi transmission Interference signal. The result is a signal gain of up to 17 dB in some cases.
Perhaps the greatest benefit of this new technology is that it can run automatically without manual adjustment or manual intervention.
For network administrators, due to the impact of a large number of new Wi-Fi devices on the corporate network, solving the RF interference problem is becoming more and more important. At the same time, users are increasingly demanding the reliability of Wi-Fi connections, and the demand for supporting streaming media applications is increasing day by day.
Solving the radio frequency interference problem is the key to adapting to these trends in the development of the company. But to achieve it means to use more intelligent and adaptable methods to deal with uncontrolled radio frequencies, which are the root cause of all these interferences.
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