An apparatus and a method for a wireless communication system is provided, wherein, a number of medium access control entities associated with at least one active radio link control entity of a radio bearer is determined; at least one condition for switching a state associated with the radio bearer based, at least partially, on the determined number of medium access control entities is determined; determining that the determined at least one condition for switching the state associated with the radio bearer is satisfied; and switching the state associated with the radio bearer from a first state to a second state based, at least partially, on determining that the at least one condition for switching the state associated with the radio bearer is satisfied.