Proportional-fair rule
= Proportional-fair rule
{wiki=Proportional-fair_rule}
The Proportional-Fair (PF) rule is an allocation strategy commonly used in the context of resource allocation in wireless networks and other network systems, particularly in scenarios involving multiple users sharing a limited resource, such as bandwidth or power. The goal of the PF rule is to balance efficiency and fairness in resource allocation while maximizing the overall system utility.