[資料名稱】:Voice and SMS in LTE
【資料作者】:C. Gessner, O. Gerlach
【資料日期】:2011-05
【資料語言】:英文
【資料格式】:PDF
【資料目錄和簡介】:
1 Introduction ............................................................................ 3
2 Overview ................................................................................. 3
3 Circuit switched fallback (CSFB) .......................................... 5
3.1Circuit switched fallback to GERAN or UTRAN ........................................5
3.2Circuit switched fallback to 1xRTT...........................................................10
4 SMS over SGs....................................................................... 15
5 Support of voice and SMS via IMS ..................................... 18
5.1Overview of the IMS framework ................................................................19
5.2EPS attach and P-CSCF discovery ...........................................................23
5.3IMS registration, authentication and key agreement..............................24
5.4Obtaining voice services via IMS..............................................................27
5.5Radio aspects .............................................................................................29
5.6Obtaining SMS services via IMS ...............................................................31
5.7Single radio voice call continuity .............................................................34
6 Test solutions for voice and SMS in LTE ........................... 35
6.1Verifying the terminal protocol stack .......................................................35
6.2Voice quality testing ..................................................................................39
7 Conclusion............................................................................ 40
8 Literature............................................................................... 40
9 Additional information ......................................................... 42
10Abbreviations ....................................................................... 42
RS_SRVCC.pdf (752.53 KB)