(UMTS Terrestrial Radio Access Network) The air interface in a 3G cellular network. The downlink uses the QPSK modulation method, while the uplink uses DQPSK. See QPSK, E-UTRAN, RAN and UMTS.
"UTRAN." YourDictionary, n.d. Web. 12 November 2018. <https://www.yourdictionary.com/utran>.
UTRAN. (n.d.). Retrieved November 12th, 2018, from https://www.yourdictionary.com/utran
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