Overview#
Universal Terrestrial Radio Access Network (
UTRAN) is a collective term for the
network and equipment that connects
Mobile Device to the
Public Switched Telephone Network (
PSTN) or the
Internet.
E-UTRAN is the air interface in an
LTE Mobile Network. Officially,
E-UTRAN governs the
Base Station Controller, while
E-UTRA (without the "N") defines the
Mobile Device side.
E-UTRAN uses the
OFDMA modulation method for the downlink and
SC-FDMA for the uplink.
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