A method of wireless communication between a base station and at least one user equipment, UE , the method comprising: a first precoder configuration step, comprising: transmitting first reference signals from the base station to the at least one UE by using a first set of antenna ports of the base station ; generating, by the at least one UE , first feedback information associated with the first reference signals; transmitting the first feedback information from the at least one UE to the base station ; configuring, by the base station , a first precoder based on the first feedback information ; classifying, by the base station , the at least one UE based on the first feedback information ; allocating, by the base station , resources to the at least one UE based on the classification of the at least one UE ; and a second precoder configuration step, comprising: transmitting second reference signals from the base station to the at least one UE on the allocated resources based on the configuration of the first precoder; generating, by the at least one UE , second feedback information associated with the second reference signals ; transmitting the second feedback information from the at least one UE to the base station ; and configuring a second precoder based on the second feedback information . a first precoder configuration step, comprising: transmitting first reference signals from the base station to the at least one UE by using a first set of antenna ports of the base station ; generating, by the at least one UE , first feedback information associated with the first reference signals; transmitting the first feedback information from the at least one UE to the base station ; configuring, by the base station , a first precoder based on the first feedback information ; classifying, by the base station , the at least one UE based on the first feedback information ; allocating, by the base station , resources to the at least one UE based on the classification of the at least one UE ; and transmitting first reference signals from the base station to the at least one UE by using a first set of antenna ports of the base station ; generating, by the at least one UE , first feedback information associated with the first reference signals; transmitting the first feedback information from the at least one UE to the base station ; configuring, by the base station , a first precoder based on the first feedback information ; classifying, by the base station , the at least one UE based on the first feedback information ; allocating, by the base station , resources to the at least one UE based on the classification of the at least one UE ; and a second precoder configuration step, comprising: transmitting second reference signals from the base station to the at least one UE on the allocated resources based on the configuration of the first precoder; generating, by the at least one UE , second feedback information associated with the second reference signals ; transmitting the second feedback information from the at least one UE to the base station ; and configuring a second precoder based on the second feedback information . transmitting second reference signals from the base station to the at least one UE on the allocated resources based on the configuration of the first precoder; generating, by the at least one UE , second feedback information associated with the second reference signals ; transmitting the second feedback information from the at least one UE to the base station ; and configuring a second precoder based on the second feedback information . <EOS>