Mechanism of automatic transmit power adjustment for APs

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APs support automatic adjustment of the transmit power, and the adjustment mechanism is similar to AP channel calibration. In AC+Fit AP networking, when an AP goes offline, the AC adjusts the power of neighboring APs to compensate for the coverage hole.

Other related questions:
Do APs support power adjustment and what is the power adjustment mechanism
Power adjustment is similar to channel adjustment. When an AP goes offline, the AC adjusts the power of neighboring APs to compensate for the coverage hole.

How does an AP adjust the rate
When signal quality becomes bad, an AP changes the modulation mode to reduce the transmission rate. This also reduces the bit error ratio.

Do Huawei APs support automatic power adjustment? How do they implement it? Why cannot automatic power adjustment implement high-density access
Huawei APs support automatic power adjustment. An AP detects neighboring APs and reports neighbor information including the AP channel and receive power. The AC calculates the optical power based on the neighbor information. Automatic power adjustment enables user access in certain scenarios. Automatic power adjustment reduces signal interference between APs, but it cannot meet the requirements of high-density access. High-density access is restricted by not only signal interference but other factors such as STA transmit power, AP load balancing, and the maximum number of users on an AP.

Adjustment of the transmit optical power of the OBU board on OSN 6800 devices
The gain of the OBU board is fixed and that of the OAU board is adjustable. They support the power-locking and gain-locking modes.

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