Patent ID: 9609593
Date: 2017-03-28
CPC Classifications: H04W,Y02D

Claim:
1. A method for controlling signalling transmission in a power-saving mode, comprising: transmitting, by a terminal, a tracking area update (TAU) request signalling or a routing area update (RAU) request signalling to a new mobility management unit, wherein the TAU request signalling and the RAU request signalling each comprises a power-saving parameter; and transmitting, by the new mobility management unit, the power-saving parameter to an old mobility management unit or a serving gateway; wherein transmitting the power-saving parameter by the new mobility management unit to the serving gateway comprises: transmitting, by the new mobility management unit, a bearer update request signalling to the serving gateway, wherein the bearer update request signalling comprises the power-saving parameter; after the new mobility management unit transmits the power-saving parameter to the serving gateway, the method further comprising: controlling signalling transmission by the serving gateway according to the power-saving parameter: when there is data needed to be transmitted to the terminal, transmitting a downlink data notification signalling by the serving gateway to the new mobility management unit if current time is within activation time of the terminal; buffering data of the terminal by the serving gateway if current time is within non-activation time of the terminal, and not transmitting a downlink data notification signalling to the new mobility management unit until the activation time of the terminal comes.