Method and device for providing service quality assurance under multi-section wireless loading

Example discloses a method and apparatus for providing quality of service assurance in a multi-segment radio bearer of the present invention. The method includes determining quality of service parameters of the radio bearer section, so that the composition of the quality of service parameters for each segment of the entire radio bearer and a radio bearer service parameters and the quality of the entire radio bearer matches; receiving service data when the service when the quality of service parameters in the data quality of service parameters of the radio bearer to meet a range of segments, transmitting the service data. Embodiment of the present invention may be implemented in a multi-radio bearer quality of service guarantee for data transmission.