| 摘要 |
The disclosure provides a method and a system for waking up a Node B (NB) cell. When a User Equipment (UE) in an idle state arrives in an area of a Home NB cell in which the UE ever resided, but does not search out signals of the Home cell, or when the UE in an idle state finds that signals of a cell in which the UE currently resides get worse, and does not find other better cells, the UE reports Proximity Indication (PI) information to a network side through a specific Tracking Area Update (TAU) process; when determining that there is need to wake up the NB cell according to footprint information which is reported by the UE and obtained in the specific TAU process, the network side wakes up the NB cell. By means of the specific TAU process of the disclosure, it is ensured that the UE in an idle state wakes up the sleeping Home NB cell (or macro cell) in time, so that the UE can get service from the Home NB cell (or macro cell) in time and thus a network coverage problem caused by cell sleeping for saving energy is avoided. |
