3G Call Flow Chart
3G Call Flow Chart
3G Call Flow Chart
Triggering Condition The UE sends direct transfer message to initiate the signaling connection setup
The Authentication & Security mode control procedure is performed for the UE and the network t
implement bi-directional
Authentication and negotiate and configure the integrity protection algorithm and ciphering algorithm. t
procedure ensures
Integrity and correctness of signaling.
Triggering Condition The UE and CN exchange signaling. The Network initiates the authentication an
security mode control
Procedure.
The Call Release Procedure is performed to release services and resources after a call ends.
Triggering Condition A call ends and the calling party hang ups.
RRC Connection Set up procedure is performed for the UE to set up a signaling connection to the RNC.RRC Connection
Setup is always initiated by the UE. One UE has a maximum of one RRC connection at a time .
Triggering Condition The UE in idle mode initiates the RRC connection set up procedure when the NAS of the UE
Request the establishment of signaling connection. When the RNC receives an RRC CONNECTION REQUEST message from
The UE the Radio Resource Management(RRM) module of the RNC determines whether to accept or reject the RRC connecti
request ,based on the specific algorithm. If accepting the request the RMM module further determines whether to setup
The RRC connection on a Dedicated Channel(DCH) or Common Channel (CCH) based on the specific RRM algorithm .typical
An RRC connection is setup on the DCH
The Signaling connection Setup Procedure is performed to exchange the NAS(Non-Access Stratum) information
between the UE & the Core Network (CN).
Triggering Condition The UE sends direct transfer message to initiate the signaling connection setup procedure
The Authentication & Security mode control procedure is performed for the UE and the network to
implement bi-directional
Authentication and negotiate and configure the integrity protection algorithm and ciphering algorithm. this
procedure ensures
Integrity and correctness of signaling.
Triggering Condition The UE and CN exchange signaling. The Network initiates the authentication and
security mode control
Procedure.
The Call Release Procedure is performed to release services and resources after a call ends.
Triggering Condition A call ends and the calling party hang ups.
RRC Connection Release Procedure is performed to release signaling connection and all radio bearers between UE
And the UTRAN.
Triggering Condition After the RAB is release the RNC judge whether the RRC connection carries any other RAB or the U
If judging the RRC connection does not carry other RAB of the UE the RNC initiates as a RRC connection release procedure.
RRC Connection Release Procedure is performed to release signaling connection and all radio bearers between UE
And the UTRAN.
Triggering Condition After the RAB is release the RNC judge whether the RRC connection carries any other RAB or the U
If judging the RRC connection does not carry other RAB of the UE the RNC initiates as a RRC connection release procedure.
RACH)
ACH)
te (DCCH)
vice Request)
value=hex2dec(2908)= 10504
value= OriginatingConversationalcall (CS MOC)
value=(-24+ (43/2))=-2.5 dB
value=hex2dec(2908)= 10504
value=MaxAllowedULTxPower=24 dBm
Cell Identity=RNCid(12bits)+Cellid(16bits)
value=0000000010110111011110010010 => RNCid=bin2dec(000000001011)=11 and Cellid=bin2dec(0111011110010010)=30610
>>"RRC Connection Setup Complete Description"
Cell Identity=RNCid(12bits)+Cellid(16bits)
value=0000000010110111011110010010 => RNCid=bin2dec(000000001011)=11 and Cellid=bin2dec(0111011110010010)=30610
Default Constant
-22
-22
Note :DPCCH_Power_offset is configured by RNC and delivered to UE in RRC Connection Setup.
DPCCH_Power_offset
CPICH_RSCP
PCPICH Power
UL Interference
-94
-80
33
-105
-94
-70
33
-105
RRC Connection Set up procedure is performed for the UE to set up a signaling connection
Setup is always initiated by the UE. One UE has a maximum of one RRC connection at a time .
Triggering Condition The UE in idle mode initiates the RRC connection set up procedure wh
Request the establishment of signaling connection. When the RNC receives an RRC CONNECTIO
The UE the Radio Resource Management(RRM) module of the RNC determines whether to acce
request ,based on the specific algorithm. If accepting the request the RMM module further det
The RRC connection on a Dedicated Channel(DCH) or Common Channel (CCH) based on the sp
An RRC connection is setup on the DCH
Triggering Condition The UE sends direct transfer message to initiate the signaling connecti
The Authentication & Security mode control procedure is performed for the UE and the n
Authentication and negotiate and configure the integrity protection algorithm and ciphering algo
Integrity and correctness of signaling.
Triggering Condition The UE and CN exchange signaling. The Network initiates the authentic
Procedure.
The Call Release Procedure is performed to release services and resources after a call ends.
Triggering Condition A call ends and the calling party hang ups.
RRC Connection Release Procedure is performed to release signaling connection and all rad
And the UTRAN.
Triggering Condition After the RAB is release the RNC judge whether the RRC connection ca
If judging the RRC connection does not carry other RAB of the UE the RNC initiates as a RRC con
s.
hether the RRC connection carries any other RAB or the UE.
he RNC initiates as a RRC connection release procedure.
ge)
quest)
Request)
esponse)
ponse)
ect)
ete)
plete)
n Release)
Release)
value=hex2dec(2908)= 10504
value=(-24+ (44/2))=-2.0 dB
value=hex2dec(2908)= 10504
Cell Identity=RNCid(12bits)+Cellid(16bits)
value=0000000010110111011110010010 => RNCid=bin2dec(000000001011)=11 and Cellid=bin2dec(0111011110010010)=30610
>>"RRC Connection Setup Complete Description"
Cell Identity=RNCid(12bits)+Cellid(16bits)
value=0000000010110111011110010010 => RNCid=bin2dec(000000001011)=11 and Cellid=bin2dec(0111011110010010)=30610
Default Constant
DPCCH_Power_offset
CPICH_RSCPPCPICH PowerUL Interference
UL DPCCH Initial Power
-22
-96
-80
33
-107
-16
-22
-96
-70
33
-107
-26
Triggering Condition The UE in idle mode initiates the RRC connection set up p
Request the establishment of signaling connection. When the RNC receives an RRC
The UE the Radio Resource Management(RRM) module of the RNC determines whe
request ,based on the specific algorithm. If accepting the request the RMM module
The RRC connection on a Dedicated Channel(DCH) or Common Channel (CCH) base
An RRC connection is setup on the DCH
And remove a virtual data channel between a terminal connected to UE and GGSN
The PS session release procedure is performed to release services after a session ends
Triggering Conditions The UE send Deactivate PDP Context request message to RNC.A
terminates a packet call. Before the deactivation ,the UE has the state active. after the PDP
becomes Packet mobility management connected. The RAB will be released if there area no
maybe initiated by a :UE procedure ,SGSN procedure,GGSN procedure.
Triggering Condition After the RAB is release the RNC judge whether the RRC c
If judging the RRC connection does not carry other RAB of the UE the RNC initiates
Triggering Condition After the RAB is release the RNC judge whether the RRC c
If judging the RRC connection does not carry other RAB of the UE the RNC initiates
session
RNC judge whether the RRC connection carries any other RAB or the UE.
AB of the UE the RNC initiates as a RRC connection release procedure.
RNC judge whether the RRC connection carries any other RAB or the UE.
AB of the UE the RNC initiates as a RRC connection release procedure.
value=hex2dec(7594)= 30100
value= OriginatingBackgroundCall (PS MOC)
value=(-24+ (37/2))=-5.5 dB
value=hex2dec(7594)= 30100
-96
-22
-96
Cell Identity=RNCid(12bits)+Cellid(16bits)
ce Request)
st
Context Request)
Request
value= SF256(downlink)
lete
Accept
value= SF256(downlink)
Cell Identity=RNCid(12bits)+Cellid(16bits)
DP Context Accept)
n (DCCH)
mplete (DCCH)
value= PrimarySC=9 is a new HSDPA serving cell ( HSDPA Serving Cell Cha
value=0000000000010001000111011100=> RNCid=bin2dec(000000000001)=1
P Context Request)
Request
t Accept
leted
nection Release)
n Release Complete)
33
-107
-16
-70
33
-107
-26
-SCCH. But now commercial UE can only monitor up to 4 HS-SCCH channels simultaneously. So one cell only configure up to 4 HS-SCCH chann
Triggering Condition The UE in idle mode initiates the RRC connection set up p
Request the establishment of signaling connection. When the RNC receives an RRC
The UE the Radio Resource Management(RRM) module of the RNC determines whe
request ,based on the specific algorithm. If accepting the request the RMM module
The RRC connection on a Dedicated Channel(DCH) or Common Channel (CCH) base
An RRC connection is setup on the DCH
And remove a virtual data channel between a terminal connected to UE and GGSN
Triggering Condition After the RAB is release the RNC judge whether the RRC con
If judging the RRC connection does not carry other RAB of the UE the RNC initiates as
Triggering Condition After the RAB is release the RNC judge whether the RRC con
If judging the RRC connection does not carry other RAB of the UE the RNC initiates as
session
NC judge whether the RRC connection carries any other RAB or the UE.
of the UE the RNC initiates as a RRC connection release procedure.
NC judge whether the RRC connection carries any other RAB or the UE.
of the UE the RNC initiates as a RRC connection release procedure.
RRC:Measurement Control
value=hex2dec(03EA)= 1002
value= OriginatingBackgroundCall (PS MOC)
value=(-24+ (39/2))=-4.5 dB
value=(-24+ (37/2))=-5.5 dB
value=hex2dec(03EA)= 1002
Default Constant
value= use Closed Loop Power Control Algorithm1
-22
-22
CH)
Cell Identity=RNCid(12bits)+Cellid(16bits)
Context Request)
Request
lete
Accept
DP Context Accept)
n (DCCH)
value= PrimarySC=68, no longer a HSDPA & HSUPA serving cell ( HSPA Ser
mplete (DCCH)
P Context Request)
Request
t Accept
leted
nection Release)
n Release Complete)
d)
DPCCH_Power_offset
CPICH_RSCPPCPICH PowerUL Interference
UL DPCCH Initial Power
-94
-80
33
-105
-14
-94
-70
33
-105
-24
imary SC = 68