Mobile communications system and mobile communications method

摘要

Even in a case where a using frequency differs for each region of a service area, a mobile direction of a mobile station M is determined by a mobile direction determination section 115 in a network side (control station), and whether or not the mobile station M moves out of the same frequency area is determined by a determination section 116 for an outer area of the same frequency, and the using frequency is changed in advance by a frequency change section 104 of the mobile station