Patent ID: 9398610
Filing Date: 2016-07-19
CPC Classification: H04W

Claim Text:
1. A mobile communication method comprising: a step A of a mobile station transmitting a connection setup request signal containing a radio access capability of the mobile station to a network device of a first communication scheme, upon detecting a predetermined trigger while camping on in a cell of the first communication scheme, wherein the mobile station has not been allocated radio resources for the first communication scheme while it is camping on in the cell of the first communication scheme; a step B of the network device of the first communication scheme transmitting an instruction signal for instructing redirection to a cell of a second communication scheme for the mobile station, in a case where the radio access capability of the mobile station is contained in the received connection setup request signal; and a step C of the mobile station setting up the connection in the cell of the second communication scheme in response to the received instruction signal without the mobile station establishing a connection in the first communication scheme, wherein in the step A, the mobile station judges whether or not to transmit the connection setup request signal containing the radio access capability of the mobile station prior to the network device allocating radio resources for the mobile station for use in the first communication scheme and the second communication scheme, in accordance with at least one of a communication service and a communication processing that are allowed in the cell of the second communication scheme.