Symptom
Minimum RSSI Rx on AP which enable RxSOP still higher than the Threshold 3dBm; On 2.4G radio, even 9dBm.
However, when AP in 80MHz or 160MHz, the Minimum RSSI is same as RxSOP Threshold or within 3dBm tolerance.
This problem is not observed on Cisco 2802/3802 AP.
Conditions
When Rx-SOP (High Density) are enabled and radio slot is configured to 20 or 40MHz.
Further Problem Description
This problem impact wireless client and Rogue AP on the same channel.