W-CDMA.rar_AIR_Code Name_UMTS_fdd

W-CDMA stands for Wideband Code Division Multiple Access Its an&#160 air interface standard found in&#160 3G&#160 mobile telecommunications&#160 networks designed for “always-on” packet-based wireless service, so that computers entertainment devices and telephones may all share the same wireless network and be connected to the internet, anytime anywhere. &#160 It was adopted as a standard by the ITU under the name "IMT-2000 direct spread." It is the technology used in the Universal Mobile Telecommunications System (UMTS) and is also known as UMTS-FDD. It utilizes the&#160 DS-CDMA&#160 channel access method and the FDD duplexing method to achieve higher speeds and support more users compared to most&#160 time division multiple access&#160 (TDMA) schemes used today.