Patent ID: 9532378
Filing Date: 2016-12-27
CPC Classification: H04L,H04W

Claim Text:
1. A method for moving a receiving window in a radio communication system, the method comprising: receiving, by a receiving side, data units, from a transmitting side, wherein each of the data units has a sequence number; if a sequence number of each of the received data unit is within a range of the receiving window, updating, by the receiving side, a start value of the receiving window; receiving, by the receiving side, a move receiving window (MRW) command for moving the receiving window from the transmitting side, wherein the MRW command is transmitted by the transmitting side when previously transmitted data has been discarded; passing, by the receiving side, any successfully received data unit with a sequence number which is lower than a sequence number indicated by the MRW command, up to an upper layer; and in response to the MRW command, setting, by the receiving side, the start value of the receiving window to a next value of a sequence number that corresponds to a last data unit that was passed to the upper layer.