与3G相关的技术、标准、运行模式等等已成为运营商、厂商们的高度关注的话题。NGN备受业界人士关注,IMS推动价值链整合,IPTV启动播放热潮,技术应用的频传谱写出了一段产业界的3G颂歌。从核心网的WCDMA到接入层的HSDPA,甚至到还没有商用的HSUPA,各种概念让人耳熟能详却又无所适从。 3G-related technologies, standards, operating modes, etc., have become operators, manufacturers who are highly concerned about the topic. NGN much industry concern, IMS to promote the integration of the value chain, IPTV start broadcasting boom, the spectrum of technology applications to write a section of the industry’s 3G carols. WCDMA from the core network to the access layer of HSDPA, and even to the commercial HSUPA, people familiar with the various concepts are out of place.