去年10月,在有关部门对3G移动设备进行的内场测试中,只有少数的几个厂家测试比较顺利,大部分存在问题。其中,WCDMA标准下的不同终端与系统间存在一些兼容性问题,终端在漫游测试中不够稳定和成熟,个别手机终端稳定性有待提高;CDMA2000不仅终端种类少,而且仅有的几款终端在测试期 Last October, only a handful of manufacturers tested smoothly in most of the infield tests carried out by the departments concerned on 3G mobile devices. Most of the problems existed. Among them, there are some compatibility issues between different terminals and systems under the WCDMA standard, the terminals are not stable and mature in the roaming test, and the stability of individual mobile terminal needs to be improved; CDMA2000 not only has less kinds of terminals but also has few terminals in testing period