Patent ID: 7643471
Filing Date: 2010-01-05
Classification: H04W

Abstract:
1. A mobile communication method for performing communications between an originating terminal and a terminating terminal through a first radio access network, a first core network, a second core network connected to the first core network through a relay network, and a second radio access network, comprising: sending a bearer setup request, in the originating terminal, to a first session control device controlling a location area of the originating terminal, the bearer setup request requesting to set a bearer for the communications between the originating terminal and the terminating terminal; and performing, in the first session control device, a first process of sending a communication start request for the terminating terminal to a second session control device controlling a location area of the terminating terminal in response to the bearer setup request, and a second process of commanding a bearer setup device for at least one of the first radio access network and the first core network to set the bearer, wherein in the performing step, the first process and the second process are performed in parallel and are performed prior to a negotiation about a communication condition between the originating terminal and the terminating terminal, and a result of the negotiation about the communication condition between the originating terminal and the terminating terminal is compared with a bearer condition set by the bearer setup device, and the first session control device commands a reset of the bearer when the result of the negotiation about the communication condition is different than the bearer condition.