| 摘要 |
<P>PROBLEM TO BE SOLVED: To avoid a handover failure and an increase in a handover delay in "SRVCC". <P>SOLUTION: A handover method of this invention includes a step A in which an MME transmits "Reloc/HO Req" including "PS/CS HO Indication" to an RNC/BSS via an MSC, a step B in which the MME transmits "Reloc/HO Req" including "PS/CS HO Indication" to the RNC/BSS via an SGSN, and a step C in which the RNC/BSS transmits "PS to CS Resp" and "Forward Reloc Resp" to the MME after receiving both of "Reloc/HO Req (for CS bearer)" and "Reloc/HO Req (for PS bearer)". <P>COPYRIGHT: (C)2012,JPO&INPIT |
