2. WCDMA RAN W11B Key Areas Presentation | Commercial in confidence | 3/221 09 - FGC 101 0779 Uen, Rev A | 2010-11-16 | Page 81
Improve signaling load and battery life for chatty applications
› Down switch to URA
– When receiving
signaling connection
release indication
– With 3GPP rel 8
standardized cause
value "UE requested PS
data session end"
– Reduce radio and core
network load
CELL_DCH
CELL_FACH
URA_PCH
IDLE
HS
Fast
Dormancy
Today
NW
Controlled
Fast
Dormancy
W11B Fast Dormancy Handling
FAJ 121 1552, Fast Dormancy Handling (New)
3. WCDMA RAN W11B Key Areas Presentation | Commercial in confidence | 3/221 09 - FGC 101 0779 Uen, Rev A | 2010-11-16 | Page 82
W11B Fast Dormancy Handling
Dependencies:
This feature requires the optional RAN features
• FAJ 121 407 UTRAN Registration Area Handling
New RNC Parameters:
RncFunction::fastDormancyMethod
indicates if there will be an attempted direct downswitch to URA_PCH after
reception of RRC:Signalling Connection Release Indication message in the
case that a cause IE is missing.
Rrc::t323
is a UE timer that is used by the network to indicate that the Fast Dormancy
Handling feature is supported and used by the UE to limit the frequency of UE
sending the Signalling Connection Release Indication message.
