A radio resource configuration method, characterized by comprising: acquiring (501, 701, 801, 902) an arrival time of each data packet, the arrival time comprising a time when the data packet arrives at a Service Data Adaptation Protocol, SDAP, layer, a time when the data packet arrives at a Packet Data Convergence Protocol, PDCP, layer, a time when the data packet arrives at the PDCP layer and is placed into a reordering window, a time when the data packet arrives at a Radio Link Control, RLC, layer, or a time when the data packet arrives at a Media Access Control, MAC, layer; acquiring (502, 702, 802, 903) a delivery time of each data packet, the delivery time being a time when the data packet is transmitted from the PDCP layer to a high-layer protocol entity; calculating (503, 703, 803, 904) a proportion of data packets whose reordering delay at the PDCP layer is greater than a predetermined delay threshold within a certain time period based on the arrival time and the delivery time or calculating (503, 703, 803, 904) a proportion of data packets whose reordering delay at the PDCP layer is smaller than a predetermined delay threshold within a certain time period based on the arrival time and the delivery time; wherein, in a case that the method is applied for a base station, the data packets are uplink data packets, and the method further comprises: performing (504, 704) radio resource configuration based on the calculated proportion; in a case that the method is applied for a User Equipment, UE, the data packets are downlink data packets, and the method further comprises: transmitting (804, 905) the calculated proportion to a base station. acquiring (501, 701, 801, 902) an arrival time of each data packet, the arrival time comprising a time when the data packet arrives at a Service Data Adaptation Protocol, SDAP, layer, a time when the data packet arrives at a Packet Data Convergence Protocol, PDCP, layer, a time when the data packet arrives at the PDCP layer and is placed into a reordering window, a time when the data packet arrives at a Radio Link Control, RLC, layer, or a time when the data packet arrives at a Media Access Control, MAC, layer; acquiring (502, 702, 802, 903) a delivery time of each data packet, the delivery time being a time when the data packet is transmitted from the PDCP layer to a high-layer protocol entity; calculating (503, 703, 803, 904) a proportion of data packets whose reordering delay at the PDCP layer is greater than a predetermined delay threshold within a certain time period based on the arrival time and the delivery time or calculating (503, 703, 803, 904) a proportion of data packets whose reordering delay at the PDCP layer is smaller than a predetermined delay threshold within a certain time period based on the arrival time and the delivery time; wherein, in a case that the method is applied for a base station, the data packets are uplink data packets, and the method further comprises: performing (504, 704) radio resource configuration based on the calculated proportion; in a case that the method is applied for a User Equipment, UE, the data packets are downlink data packets, and the method further comprises: transmitting (804, 905) the calculated proportion to a base station.