What factor is likely to cause the least impact on the application layer throughput of an 802.11n client station in a 2.4 GHz HT BSS?
Increasing or decreasing the number of spatial streams in use by the client station and AP
Implementation of several other clients in the same BSS using 802.11 g radios
Implementing Fast BSS Transition (FT) for roaming
RF interface from more than 10 nearby Bluetooth transmitters
