摘要
ZTE successfully launched the first 7-carrierand 3-sector CDMA base station in the world inMarch of 2004 in the capacity expansion for ChinaUnicom in Luteng County of Quanzhou,a southerncity of China.With capacity of 40 000 lines,thebase station is called“the No.1 Base Station in theWorld”.Normally,the capacity expansion of a CDMAbase station adopts a relatively simple cellsplitting technology.However,it doesn’t work in
