标签: qalcom

QalcomCDMA原理精析(中文)目录1.CDMA系统的主要优点.................................................................................51.1.大容量.......................................................................................................51.2.软容量.......................................................................................................71.3.软切换.......................................................................................................81.4.采用多种分集技术...................................................................................91.5.话音激活.................................................................................................111.6.保密.........................................................................................................111.7.低发射功率...........................……