2Radio Resource Control protocolspecification, V5.2.0 : 3GPP TS 25.331.
3Technical Specification Group Serviceand Service and System Aspects,Location Services (LCS),Service Description,Stage 1,version 3.1.0.3GPP TS 22.071 .
8PAILER R, WEGSCHEIDER F, BESSLER S. A Terminal-Based Location Service Enabler for the IP Multimedia Subsystem[EB/OL]. (2010-8-16)[2011-01-11].http://userver. ftw. at/~bessler/papers/WCNC06, pdf.
9IETF RFC 4119--2005. A Presence-based GEOPRIV Location Object Format[S].
10IETF RFC 4079--2005. A Presence Architecture for the Distribution of GEOPRIV Location Objects[S].