Patent ID: 9681002
Date: 2017-06-13
CPC Classifications: H04L,H04M,H04W

Claim:
1. A method for improving charging information accuracy in a telecommunications network with respect to a target user equipment, wherein the telecommunications network comprises a core network, a first base transceiver station and a second base transceiver station, the method comprising: in case of a handover or cell change procedure when the target user equipment moves from the first base transceiver station to the second base transceiver station, receiving, by the second base transceiver station, a first non-delivered packet data volume information from the first base transceiver station via at least one of the following: determining, by the second base transceiver station, based on the first non-delivered packet data volume information, a second non-delivered packet data volume information; wherein the first non-delivered packet data volume information and the second non-delivered packet data volume information relate to data packets to be sent to the target user equipment that are not successfully transmitted to the target user equipment.