Review Article
Evolution of Positioning Techniques in Cellular Networks, from 2G to 4G
Table 1
Frozen 3GPP releases from 1997 to 2013.
| Release | Spec. version number | Freeze date |
| Rel-11 | 11.w.u | June 2013 | Rel-10 (LTE-Advanced) | 10.w.u | June 2011 | Rel-9 | 9.w.u | December 2009 | Rel-8 (LTE) | 8.w.u | December 2008 | Rel-7 | 7.w.u | December 2007 | Rel-6 (HSUPA) | 6.w.w | March 2005 | Rel-5 (HSDPA) | 5.w.u | June 2002 | Rel-4 | 4.w.u | March 2001 | R99 (UMTS/EDGE) | 8.w.u (GERAN) 3.w.u (UTRAN) | March 2000 | R98 | 7.w.u | Early 1999 | R97 (GPRS) | 6.w.u | Early 1998 | R96 | 5.w.u | Early 1997 |
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