METHOD AND SYSTEM FOR RELEASING RADIO RESOURCE

摘要

A method for releasing radio resource is disclosed in the present invention, which includes a Mobility Management Entity (MME) acquires transmission state of user data from a Serving Gateway (SGW), once the MME judges that the user does not transmit data in a certain time, and then releases radio resource of the user. A system for releasing radio resource is disclosed in the present invention as well In the present invention, the SGW notifies whether the user transmits data to the MME, so as to solve the problem that the user not using service occupies radio bearer resource for a long time and the effective utilization rate of radio resource is reduced greatly because the MME can not judge whether the user transmit data in Evolved Packet System (EPS) network.