3Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E- UTRAN) ; Overall description: 3GPP TS 36.300[S/OL]. [2015-12-20]. ftp://t)p.3gpp. org/Specs/.
4Evolved Universal Terrestrial Radio Access Network (E-UTRAN) ; SI Application Protocol (SLAP) : 3GPP TS 36.413 [S/OLI. [2015- 12-201. ftp://ftp.3gpp.org/Specs/.
5UTRAN In interface Radio Aceess Network Application Part (RANAP) signaling: 3GPP TS 25.413 [S/OLI. [2015-12-20]. ftp:// ftp.3gpp.org/Spees/.
6General Packet Radio Service (GPRS) ; Base Statio System (BSS) - Serving GPRS Support Node (SGSN) ; BSS GPRS protocol (BSSGP) :3GPP TS 48.081 [S/OLI. [2015-12-201. ftp://ftp.3gpp. org/Specs/.
7Ambrosy A, Blume O, Ferling, et al. Energy savings in LTE macrobase stations. Wireless and Mobile Networking Conference [C]//Wire- less and Mobile Networking Conference (WMNC), 2014 7th II:'IP- IEEE ,2014:1-8.
