1. A resource allocation method, comprising:receiving, by a base station, a downlink signal interference value that is sent by at least one user equipment (UE) associated with the base station and capability information of the at least one UE;
determining, by the base station, a belonging type of the at least one UE according to the downlink signal interference value and the capability information;
determining a duplex mode of the at least one UE according to the belonging type;
allocating, based on the duplex mode, a resource to the at least one UE; and
sending the resource to the UE.