FACCH
FACCH
FACCH
FACCH
FACCH
FACCH
SDCCH SACCH? T200 MS Timer
Ciphered SDCCH
SDCCH
SDCCH
AGCH
T3122/T3120
SETUP (for TC) CALL Confirm (TC)
R-TCH
UA (Level2 Link Establish ACK)
SABM (Level2 Link Establish)
ASSIGNMENT CMD (TA,PC,DTX info,SysInfo6et7) (Ncell BCCH,Arfcn List,LAI,Radio link time out)
SDCCH
UA (Level2/3Info, Link Establish ACK)
SABM (L3info=CM-ServiceRequest,IMSI)
IMMEDIATE ASSIGNMENT (SDCCH Alloc,FN,TA,Rand)
(Ghost RACH=SDCCH Access Failure)
CHAN REQUEST (RAND)
Air - Um
Alcatel University Lannion
-4Alerting Connect
-3TCH Assign.
-2SDCCH Phase
-1Radio Link Establi
RACH
Already Synchronised on FCH,SCH of the Serving Cell
BTS
MC02x (Lu,SmS..) MC01 (PagResp)
R-TCH
Call Drop: BSS-Syst Problem=14c+739
[Chan Rel + ACK ???]
MC718 (trx)
MC717a (Succ int DR) MC717b (Succ int&ext:HO+DR) MC712 (Succ outg int&ext HO) Normal Realease=unknown MC662 (Succ intra HO) RTCH SuccessEnd=718+(717a+717b)-712
CONNECT ACK
CONNECT
ALERTING
ASSIGNMENT COMPLETE (Assign. Succ)
ESTABLISH INDICATION (Connection)
BSS Problem= MC14b(B7)
MC140b (B8)
(MC16 (B6))
CHAN ACTIV ACK (Level of Interfer, TCH open) ASSIGNMENT CMD (TCH Allocation)
MC703 (Attempt)
MC13a T11(5s) DRQuery
CHAN ACTIV (open TCH,TA,PC,DTX,cipher)
PHYSICAL CONTEXT CONFIRM (TA, PC from SDCCH)
PHYSICAL CONTEXT REQUEST
CALL PROCEEDING
SETUP (Type of Call, data, called party number)
CYPHERING MODE COMPLETE
CYPHERING MODE CMD (Algorithm KC)
AUTHENTIF RESPONSE (Signature)
AUTHENTIF REQUEST (Rand Nb)
RSL
BSS Problem=NO Counter=MC148-(MC01+MC02)-MC149 MC390 (Alloc./Trx) SDCCH_Success=MC01+MC02+MC10(HO Complete)
ESTABLISH INDICATION (L3 Info, Assign. Succ)
IMMEDIATE ASSIGNMENT CMD (SDCCH Allocat°)
MC8b,d (Reject)
MC148 (Assign)
CHAN ACTIV (open SDCCH,TA,MSBTSMaxPwr) CHAN ACTIV ACK (SDCCH Open)
MC8c
MC8a (Paging)
A
ASSIGNMENT REQUEST (TCH Allocation)
N7 - COC
Virtual Circuit trough N7 Signalisation
CC- Connection Confirm (SCCP)
T3107 (14s) MC746b (Expiry) Assign Fail: Radio Interf Fail (Radio Pb) TCNAFLR
Taxation
PSTN
SDCCH Drop: CLREQ MC138:Radio Pb -RadioInterfaceFail -RadioLinkFail on Abis MC137:BSS Pb -RadioInterfaceFail -O&M Intervention MC07:HO Fail -RadioInterf MessFail
AUC / HLR Rand+KI
B8-ed01 - Juin 2005
HO Failure without Reversion: MC621 CLREQ: Radio Interf Message Fail (Drop HO) Preemption: MC921a,b.. CLREQ: Preemption
Connetion Failure Indication: - Radio link Fail MC736 CLREQ: Radio Interf Fail - Remote TC Fail MC739 CLREQ: Equipment Fail (TC,µWave,BssSw,Hw) BSS Pb Operator: MC14C CLREQ: Radio Interface Fail (O&M Intervention)
T-TCH - CIC
MC14b Assign Fail: BSS Pb (Abis,Bts/Bsc HWorSw)
BSSMAP
DTAP BSSAP=BSSMAP+DTAP
T3113 (7s)
MC812=C612a,b.. CLREQ:Congest Assign Fail: No Radio Ress Avail MC921c CLREQ: Preempted calls (pci1>pci2) PM Type1: C701a,b,c..
TCH Choice MC140a (B8)
T9105
CR- Connection Request (SCCP, L3info)
MSC (Paging)
T3101 (2/3s) MC149 (Expiry) CLREQ:Radio Failure (BadCov,PB,Interf;DummyRACH:noise,ChanReq,HoAccess)
SDCCH Assignment MC04 Congest-no free SDCCCH (Max retrans(2) MS:T3126-T3120)
BSC
CHAN REQUIRED (FN,Rand,TA)
Abis
QOS MS originated
