| CPC H04L 47/76 (2013.01) [H04L 47/80 (2013.01)] | 10 Claims |

|
1. A bandwidth adjustment method applicable to a sending end, wherein the sending end is configured to periodically send cells to a receiving end, and a number of the cells sent in each period is n, where n is an integer greater than or equal to 2; in each period, the sending end is configured to occupy a cell having a number that is carried by the cell and within a bearer cell group of the sending end, the occupied cell is capable of carrying service information, and the method comprises:
sending adjustment information comprising an adjustment operation to the receiving end, with the adjustment operation being adding a cell number to be adjusted to the bearer cell group of the sending end to indicate that the sending end is to occupy a cell having a number the same as the cell number to be adjusted for carrying service information on the cell having the number the same as the cell number to be adjusted, thereby increasing a bandwidth of the sending end, or deleting the cell number to be adjusted from the bearer cell group of the sending end to indicate that the sending end is to release an occupied cell having a number the same as the cell number to be adjusted, thereby reducing a bandwidth of the sending end; and
receiving confirmation information sent by the receiving end after a preparation operation is completed by the receiving end, and performing the adjustment operation-,
wherein the confirmation information comprises: the cell number to be adjusted; and an information response value configured to indicate whether the preparation operation is completed by the receiving end, and
wherein the preparation operation comprises: adding the cell number to be adjusted to the bearer cell group of the sending end, and preparing to read service information from a cell having a number the same as the cell number to be adjusted, or deleting the cell number to be adjusted from the bearer cell group of the sending end, and preparing to stop reading service information from a cell having a number the same as the cell number to be adjusted.
|