Cellular radio system using CDMA scheme

摘要: In a CDMA cellular radio system plurality frequencies of the are divided into belonging to first group and second group, all commonly assigned base stations BS1 BSn individually station groups BSa BSc. The frequency in is preferentially mobile MSj, when MSj moves between cells different groups, soft handoff effected by using group. Further, rates use channels respective monitored for BSn, corresponding rate channel which has exceeded threshold value detected, idle control with respect uses above frequency.