| 摘要 |
A base station and a transmission path creation method for use in a network system are provided. A first packet data network (PDN) connection has been built among an user equipment serving gateway (UE-SGW), a first relay gateway, a first packet data network gateway (P-GW), a first serving gateway (S-GW), a first E-UTRAN Node B (eNodeB) and the relay node of the network system. The base station comprises a second relay gateway, a second P-GW, a second S-GW, and a second eNodeB. The second eNodeB and a relay node execute a handover procedure according to a handover request. The network system performs a transmission path creation procedure so that a second PDN connection is formed among the UE-SGW, the second relay gateway, the second P-GW, the second S-GW, a second eNodeB and the relay node.
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