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Line 8: CDMA allows several users to share a band of frequencies without undue interference between the users. It is used as the access method in many [[mobile phone standards]]. [[cdmaOne\|IS-95]], also called "cdmaOne", and its [[3G]] evolution [[CDMA2000]], are often simply referred to as "CDMA", but [[UMTS]], the 3G standard used by [[GSM]] carriers, also uses "wideband CDMA", or W-CDMA, as well as TD-CDMA and TD-SCDMA, as its radio technologies. Due to their very advantegous auto- and crosscorrelation characteristics, they are used for radar applications, where they are called Barker-Codes. ==History==

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