Patent ID: 6708030
Filing Date: 2004-03-16
Classification: H04W

Abstract:
A selection method of a handoff system in a CDMA radio data communication system characterized in a selection method of either of a hard handoff system and a soft handoff system as the handoff system, the method comprising;transmitting a call connection request signal, by a mobile station, including information of presence of a client side agent and a kind of the client side agent in correspondence with an application to be used in the communication, to a radio base station control equipment; searching presence of a server side agent corresponding to the client side agent in an agent server which is connected to the radio base station control equipment; selecting the hard handoff system when the server side agent corresponding to the client side agent is provided in the agent server; and selecting the soft handoff system when the server side agent corresponding to the client side agent is not provided in the agent server.