UMTS:
The general mobile communication system, the European 3G name, the concept of early, is the International Organization for Standardization 3GPP developed a global 3G standard, is a third generation (3G) http://www.aliyun.com/zixun/aggregation/28200.html "> Mobile phone technology. The main body includes a series of technical specifications and interface protocols such as CDMA access network and cluster core network. Europe tried to use the name in 3GPP, but was stranded because other countries ' standardization organizations did not agree. But European countries and companies still use this name, referring to the 3GPP definition of wireless and network standards collectively, in most cases only refers to WCDMA. Sometimes called 3GSM, the emphasis is combined with 3G technology and is a follow-up standard of GSM standard.
(Responsible editor: Lu Guang)