13GPP2 A. S0022-0. Interoperability specification (IOS) for evolved high rate packet data (eHRPD) radio access network interfaces and interworking with enhanced universal terrestrial radio access network (EUTRAN).
23GPP TS 23.402. Architecture enhancements for non-3GPP accesses (R8).
33GPP TS 23.216 Single Radio Voice Call Continuity (SRVCC) [S/OL]. [ 2011 - 12-12 ]. htt p://download.csdn.net/detail/yigemeiri/2824710.
43GPP TS 23.401 General Packet Radio Service (GPRS)enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access [ S/OL ]. [ 2011-12-12 ]. http://www.3gpp.org/ftp/Spees/html-in- fo/23401 .htm.