US Patent No. 9,736,768


Patent No. 9,736,768
Issue Date August 15, 2017
Title Gateway Selection Method And Device
Inventorship Yi Yang, Beijing (CN)
Assignee China Academy of Telecommunications Technology, Beijing (CN)

Claim of US Patent No. 9,736,768

1. A method of selecting a gateway, comprising:
a Mobility Management Entity, MME, receiving an Initial UE message carrying identity indication information of a Relay Node,
RN, sent from a Donor evolved Node B, DeNB, and acquiring subscription data of the RN from a Home Subscriber Server, HSS;

the MME determining whether the RN is a mobile RN according to the identity indication information and/or the subscription
data of the RN, and selecting a Packet data Gateway, PGW, located in a core network as the PGW of the RN upon determining
that the RN is a mobile RN.