Umts definition

Also known as Wideband CDMA (W-CDMA).A 3G digital cellular radio technology that is an upgrade to the pan-European Global System UDP source port UDP destination port UDP message length UDP checksum Data . . . for Mobile Communications (GSM). UMTS is based on code division multiple access (CDMA) and operates over a carrier 5 MHz wide, compared to the 200 kHz carrier used for narrowband CDMA. UMTS specifications provide for both time division duplex (TDD) and frequency division duplex (FDD) modes of operation, with TDD largely used in Europe and FDD in the United States.The FDD specifications call for the downlink to run in the 2110
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