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3G Mobile Phone Wireless Interface
- Mar 29, 2018 -

The three major wireless interface standards defined by the International Telecommunications Union (ITU) for 3G communication are W-CDMA (Wideband Code Division Multiple Access), CDMA2000 (Multi-Carrier Division Multiplexed Spread Spectrum), and TDS-CDMA (Time Division Synchronous Code Division). Multiple access). The W-CDMA standard mainly originated from the early third-generation wireless research activities in Europe and Japan. The system is used on the existing GSM network and can be easily transitioned for system providers. The main supporter of the standard is the standard. Europe, Japan, South Korea.