The present document is an introduction to the TSG RAN TS 36.42x series of UMTS Technical Specifications that define the X2 interface. It is an interface for the interconnection of two E-UTRAN NodeB (eNB) components within the Evolved Universal Terrestrial Radio Access Network (E-UTRAN) architecture (TS 36.401 [2]).
TS 136 420-2011 history
2019TS 136 420-2019 LTE; Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 general aspects and principles (V15.1.0; 3GPP TS 36.420 version 15.1.0 Release 15)
2018TS 136 420-2018 LTE; Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 general aspects and principles (V15.0.0; 3GPP TS 36.420 version 15.0.0 Release 15)
2017TS 136 420-2017 LTE; Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 general aspects and principles (V14.0.1; 3GPP TS 36.420 version 14.0.1 Release 14)
2016TS 136 420-2016 LTE; Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 general aspects and principles (V13.0.0; 3GPP TS 36.420 version 13.0.0 Release 13)
2015TS 136 420-2015 LTE; Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 general aspects and principles (V12.1.0; 3GPP TS 36.420 version 12.1.0 Release 12)
2014TS 136 420-2014 LTE; Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 general aspects and principles (V12.0.0; 3GPP TS 36.420 version 12.0.0 Release 12)
2012TS 136 420-2012 LTE; Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 general aspects and principles (V11.0.0; 3GPP TS 36.420 version 11.0.0 Release 11)
2011TS 136 420-2011 LTE; Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 general aspects and principles (V10.2.0; 3GPP TS 36.420 version 10.2.0 Release 10)
2010TS 136 420-2010 LTE; Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 general aspects and principles (V9.0.0; 3GPP TS 36.420 version 9.0.0 Release 9)
2009TS 136 420-2009 LTE; Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 general aspects and principles (V8.1.0; 3GPP TS 36.420 version 8.1.0 Release 8)
2008TS 136 420-2008 LTE; Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 general aspects and principles (V8.0.0; 3GPP TS 36.420 version 8.0.0 Release 8)