!!! Overview [{$pagename}] ([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. !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }] ---- * [#1] - [UMTS_Terrestrial_Radio_Access_Network|Wikipedia:UMTS_Terrestrial_Radio_Access_Network|target='_blank'] - based on information obtained 2016-08-03 * [#2] - [E-UTRA|Wikipedia:E-UTRA|target='_blank'] - based on information obtained 2018-08-03