Can APs automatically select channels with higher quality? Can they change channels when current channels encounter interference from an electromagnetic wave source such as a microwave oven

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Huawei APs support automatic channel selection. However, in large-scale AP deployment, channels are selected before deployment. Changing one AP's channel will cause channel switching on other APs, affecting wireless services on the entire network. Therefore, automatic channel selection is not recommended.

Other related questions:
Can Huawei WLAN devices automatically select channels with higher quality
Huawei APs support automatic channel selection. However, in large-scale AP deployment, channels are planned before deployment. Changing one AP's channel will cause channel switching on other APs, affecting wireless services on the entire network. Therefore, automatic channel selection is not recommended.

Influence of co-channel interference on APs
Co-channel interface is a major factor that reduces an AP's maximum throughput. When APs are densely deployed, their signals have a large overlapping coverage area, resulting in severe co-channel interference. In this case, the APs' maximum throughput decreases greatly.

How can AP's channels be distributed to avoid or reduce internal and external interference
Use a cellular channel distribution to avoid channel overlapping. For example, there are only three non-overlapping channels in the 2.4 GHz frequency band: channels 1, 6, and 11. A proper channel distribution can greatly reduce co-channel interference on a WLAN network. Follow these principles when distributing radio channels: - Use non-overlapping channels in adjacent areas. - Adjust APs' transmit power to avoid co-channel interference between areas. - Use a cellular channel distribution so that channels can be multiplexed without causing overlapping coverage areas.

How can I evaluate influence of co-channel interference on bandwidth on an AP's air interface? How can I avoid interference between devices using the same channel
Co-channel interface is a major factor that reduces an AP's maximum throughput. When APs are placed close to each other, their signals have a large overlapping coverage area, resulting in severe co-channel interference. In this case, APs' maximum throughput decreases greatly. To avoid co-channel interference, adjust APs' transmit power and increase the intervals between APs. You can also use directional antennas and smart antennas to restrict the signal coverage area.

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