Patent ID: 7193978

Claim:
A radio channel setting control method of controlling a radio channel used for communications between a base-station apparatus and a mobile-station apparatus in a mobile communications system employing a CDMA scheme including the base-station apparatus, mobile-station apparatus, and a radio network control apparatus controlling the base-station apparatus, comprising the steps of: a) determining whether or not a spread code used for the communications can be allocated; b) determining whether or not a predetermined hardware device can be allocated; c) determining whether or not a radio resource can be allocated; and d) setting the radio channel between the base-station apparatus and mobile-station apparatus when it is determined that the spread code, predetermined hardware device and radio resource can be allocated, wherein said determining whether or not a spread code used for the communications can be allocated step includes accessing a spread code management table and determining that the spread code can be allocated when there is an unused channelization code.