| 摘要 |
In the field of communications, a method, a device, and a system for allocating an air interface resource are provided. The method includes: acquiring, according to the amount of data buffered in a buffer corresponding to the channel group, a first level and a second level that are corresponding to the channel group, where the first level is used to indicate a numerical value range, and the second level is used to further indicate a numerical value range of the amount of the data in the numerical value range; filling a Buffer Status Report (BSR) control element of a BSR message with the first level, and filling a BSR sub-header of the BSR message with the second level; and sending the BSR message to a base station, and requesting the base station to allocate the air interface resource. |
