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b. Assuming client is in 2.4 GHz, Downlink Phy rate > = Phy Rate threshold , then switch to 5GHz

Assuming client is in5GHzin 5GHz, Downlink Phy rate < Phy Rate threshold, then switch to 2.4GHzc. Total Bandwidth utilized

Combining:

Before the clients are steered to 2.4GHz from 5GHz band, there has to be a check to decide which clients can be steered to a preferable band. If the clients whose signal strength is low, i.e., they are far from AP are retained in 5GHz and the clients with high signal strength are directed to 2.4GHz, the clients may lose connectivity.

Hence, the RSSI threshold and Utilization threshold implementations have to be combined to achieve a better Band Steering.

Approach

a. Density/Number of Clients in the Band

iw dev <interface-name> station dump | grep Station | cut -d ' ' -f2 > /tmp/wifi_5Gstations.txt

iw dev <interface-name> station dump | grep Station | cut -d ' ' -f2 > /tmp/wifi_2-4Gstations.txt

cat /tmp/wifi_5Gstations.txt | wc -l

cat /tmp/wifi_2-4Gstations.txt | wc -l

b. Downlink Phy rate and uplink signal

Driver can only give this info

Sequence Diagram

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