Patent ID: 9277392
Filing Date: 2016-03-01
CPC Classification: H04W

Claim Text:
1. A method for a small base station to provide a terminal with communication service in a wireless communication system, the method comprising: receiving, at a local mobility management entity, an attach request received from the terminal; transmitting, at the local mobility management entity, a service provision check request message asking for whether the terminal is registered with the communication service to a local registration processor; and providing the terminal with the communication service in response to a service provision check acknowledge message accepting the attach request which is received from the local registration processor and no communication service in response to the service provision check acknowledge message rejecting the attach request which is received from the local registration processor, wherein the local mobility management entity and the local registration processor are integrated in the small base station, and wherein the attach request message comprises, if the terminal is an unauthenticated or unregistered terminal, emergency attach option and identifier of the unauthenticated/unregistered terminal.