手机信令流程
上一篇 / 下一篇 2008-06-16 00:23:23 / 个人分类：经验
System Information
1. Cell channel description
RACH control parameters
2. Neighbor cells description
NCC permitted
RACH control parameters
2bis. Neighbor cells description (extension)
RACH control parameters
2ter. Additional multiband information
Neighbor cells description (other bands)
3. Location area identification
Cell identity
Control channel description
Cell options
Cell selection parameters
RACH control parameters
SI 3 rest octets
4. Location area identification
Cell selection parameters
RACH control parameters
CBCH channel description
CBCH mobile allocation
SI 4 rest octets
5. Neighbor cells description
5bis. Neighbor cells description (extension)
5ter. Additional multiband information
Neighbor cells description (other bands)
6. Location area identification
Cell identity
Cell options
NCC permitted
7. SI 7 rest octets
8. SI 8 rest octets
System Information Type 1 ( DL )
Time: 17:25:45.67
Frame. number: 1138328
Read from ARFCN
Channel number : (GSM 900) 52
L2 pseudo length : 21
Skip indicator : 0
Protocol discriminator : (6) Radio resources management messages
Message type : 25
Cell channel description
Bitmap 0
Channels : 16 28 52 64 76 88
RACH control parameters
Max retransmission : (2) Maximum 4 retransmissions
Tx-integer : (14) 32 slots used
Cell bar access : (0) Not barred
Call reestablishment : (1) Not allowed
Access control
Emergency Call allowed : (0) All MSs
Barred classes :
Rest octets
Band indication 1800
Message dump:
55 06 19 00 00 00 00 00 80 08
00 80 08 00 00 08 00 80 00 b9
00 00 2b
System Information Type 2 ( DL )
Time: 17:25:45.90
Frame. number: 1138379
Read from ARFCN
Channel number : (GSM 900) 52
L2 pseudo length : 22
Skip indicator : 0
Protocol discriminator : (6) Radio resources management messages
Message type : 26
Neighbour Cell Description
BA
Bitmap 0
Channels : 34 35 36 38 39 41 42 43 48 49 53 56
NCC permitted
NCC permitted values : 2 4
RACH control parameters
Max retransmission : (2) Maximum 4 retransmissions
Tx-integer : (14) 32 slots used
Cell bar access : (0) Not barred
Call reestablishment : (1) Not allowed
Access control
Emergency Call allowed : (0) All MSs
Barred classes :
Message dump:
59 06 1a 00 00 00 00 00 00 00
00 00 91 87 6e 00 00 00 00 14
b9 00 00
System Information Type 3 ( DL )
Time: 17:25:46.14
Frame. number: 1138430
Read from ARFCN
Channel number : (GSM 900) 52
L2 pseudo length : 18
Skip indicator : 0
Protocol discriminator : (6) Radio resources management messages
Message type : 27
Cell identity (CI) : 43111 (Hex 0xA867)
Location Area Identification
Mobile country code (MCC) : 460
Mobile network code (MNC) : 00
Location area code (LAC) : 9533 (Hex 0x253D)
Control channel description
MSCR : (0) MSC is Release '98 or older
Attach/detach allowed (ATT) : (1) YES
BS-AG-BLKS-RES : 1
CCCH-CONF : (0) 1 basic physical channel used for CCCH, not combined with SDCCHs
BS-PA-MFRMS : 5 multiframes period
T3212 timeout value : 10
Cell options (BCCH)
Power control indicator (PWRC) : (0) Not set
DTX indicator : (1) The MSs shall use uplink discontinuous transmission
RADIO-LINK-TIMEOUT : 48
Cell selection parameters
CELL-RESELECT-HYSTERESIS : 12 dB Rxlev hysteresis for LA-reselection
MS-TXPWR-MAX-CCH : 5
ADDITIONAL RESELECT PARAM
HALF RATE SUPPORT (NECI) : (1) New establishment causes are supported
RXLEV-ACCESS-MIN : 8
RACH control parameters
Max retransmission : (2) Maximum 4 retransmissions
Tx-integer : (14) 32 slots used
Cell bar access : (0) Not barred
Call reestablishment : (1) Not allowed
Access control
Emergency Call allowed : (0) All MSs
Barred classes :
Rest octets
Selection Parameters
cbq : 0
Cell reselection offset : (0) 0 dB
Temporary offset : (0) 0 dB
Penalty time : (0) 20 s
System Information 2ter indicator - Available
Early classmark sending control - Explicity accepted
BCCH scheduling is not sent in SI9
GPRS indicator
RA color : 5
SI13 position : (0) SI13 message is sent on BCCH Norm
Neither UTRAN nor CDMA2000 classmark change message shall be sent with the Early classmark sending
Message dump:
49 06 1b a8 67 64 f0 00 25 3d
48 03 0a 1b c5 48 b9 00 00 80
00 45 2b
System Information Type 4 ( DL )
Time: 17:25:46.37
Frame. number: 1138481
Read from ARFCN
Channel number : (GSM 900) 52
L2 pseudo length : 19
Skip indicator : 0
Protocol discriminator : (6) Radio resources management messages
Message type : 28
Location Area Identification
Mobile country code (MCC) : 460
Mobile network code (MNC) : 00
Location area code (LAC) : 9533 (Hex 0x253D)
Cell selection parameters
CELL-RESELECT-HYSTERESIS : 12 dB Rxlev hysteresis for LA-reselection
MS-TXPWR-MAX-CCH : 5
ADDITIONAL RESELECT
used to derive the value of PI and possibly
C2 parameters and/or other parameters
HALF RATE SUPPORT (NECI) : (1) New establishment causes are supported
RXLEV-ACCESS-MIN : 8
RACH control parameters
Max retransmission : (2) Maximum 4 retransmissions
Tx-integer : (14) 32 slots used
Cell bar access : (0) Not barred
Call reestablishment : (1) Not allowed
Access control
Emergency Call allowed : (0) All MSs
Barred classes :
CBCH channel description
Channel type : (8) SDCCH/8 + SACCH/C8 or CBCH (SDCCH/8)
Subchannel : 2
Timeslot number (TN) : 2
Training sequence code (TSC) : 2
Hopping RF channel : (1) YES
Mobile allocation index offset (MAIO) : 0
Hopping sequence number (HSN) : 39
CBCH mobile allocation
Length : 1
Mobile allocation array :
[0 ] : 1
[1 ] : 1
[2 ] : 1
[3 ] : 1
[4 ] : 1
[5 ] : 1
[6 ] : 0
[7 ] : 0
Rest octets
Selection Parameters
cbq : 0
Cell reselection offset : (0) 0 dB
Temporary offset : (0) 0 dB
Penalty time : (0) 20 s
GPRS indicator
RA color : 5
SI13 position : (0) SI13 message is sent on BCCH Norm
Additional parameters are not sent in SYSTEM INFORMATION TYPE 7 and 8
Message dump:
4d 06 1c 64 f0 00 25 3d c5 48
b9 00 00 64 52 50 27 72 01 3f
80 00 6b
System Information Type 13 ( DL )
Time: 17:25:46.61
Frame. number: 1138532
Read from ARFCN
Channel number : (GSM 900) 52
L2 pseudo length : 0
Skip indicator : 0
Protocol discriminator : (6) Radio resources management messages
Message type : 0
Rest octets
BCCH CHANGE MARK : 5
SI CHANGE FIELD : (0) Update of unspecified SI message or SI messages
PBCCH not present in cell
Routing area code (RAC) : 1
SPGC CCCH SUP : (0) SPLIT PG CYCLE is not supported on CCCH in this cell
PRIORITY ACCESS THR : (6) Packet access is allowed for priority level 1 to 4
NETWORK CONTROL ORDER : (0) NC0: MS controlled cell re-selection, no measurement reporting
GPRS cell options
NMO : (1) Network mode of operation II
T3168 : (0) 500 milliseconds
T3192 : (7) 200 milliseconds
DRX TIMER MAX : (7) 64 s
ACCESS BURST TYPE : (0) 8 bit access burst shall be used
CONTROL ACK TYPE : (1) Default format is RLC/MAC control block
BS CV MAX : 6
PAN DEC : 1
PAN INC : 2
PAN MAX : Maximum value allowed for counter N3102 is 20
Extension information
EGPRS support : (0) EGPRS not supported in this cell
PFC_FEATURE_MODE : (0) The network does not support packet flow context procedures.
DTM_SUPPORT : (0) The cell does not support DTM procedures.
BSS_PAGING_COORDINATION : (0) The cell does not support CS paging co-ordination.
GPRS power control parameters
Alpha : (6) 0.6
T AVG W : 12
T AVG T : 10
PC MEAS CHAN : (0) Downlink measurements for power control shall be made on BCCH
SGSNR : (0) SGSN R98 or older
Message dump:
01 06 00 d0 00 58 47 eb 4a 90
c1 98 a1 4b 2b 2b 2b 2b 2b 2b
2b 2b 2b
System Information Type 2ter ( DL )
Time: 17:25:46.85
Frame. number: 1138583
Read from ARFCN
Channel number : (GSM 900) 52
L2 pseudo length : 0
Skip indicator : 0
Protocol discriminator : (6) Radio resources management messages
Message type : 3
Neighbour Cell Description 2
BA
Variable bitmap
Channels : 524
Rest octets
Message dump:
01 06 03 cf 06 00 00 00 00 00
00 00 00 00 00 00 00 00 00 2b
2b 2b 2b
Channel Request ( UL )
Time: 17:25:52.63
Frame. number: 1139836
Frame. number : 1139835
Read from ARFCN
Channel number : (GSM 900) 52
Random Access Information
Establishment cause : (7) Originating speech call from dual-rate MS when TCH/H is sufficient and supported by the MS for speech calls and the network sets NECI bit to 1
Random reference : 7
Message dump:
47
Immediate Assignment ( DL )
Time: 17:25:52.79
Frame. number: 1139870
Message target : (1) Message directed to this MS
L2 pseudo length : 12
Skip indicator : 0
Protocol discriminator : (6) Radio resources management messages
Message type : 63
Two-message assignment (TMA) : (0) No meaning
Downlink assignment to mobile in packet idle mode : (0) No meaning
TBF or dedicated mode (T/D) : (0) Assigns a dedicated mode resource
Page mode : (0)
Channel description
Channel type : (8) SDCCH/8 + SACCH/C8 or CBCH (SDCCH/8)
Subchannel : 7
Timeslot number (TN) : 2
Training sequence code (TSC) : 2
Hopping RF channel : (1) YES
Mobile allocation index offset (MAIO) : 5
Hopping sequence number (HSN) : 39
Request reference
Establishment cause : (7) Originating speech call from dual-rate MS when TCH/H is sufficient and supported by the MS for speech calls and the network sets NECI bit to 1
Random reference : 7
FN modulo 42432 : 36603
Representation : T1' = 27, T2 = 21, T3 = 36
Timing advance
Timing advance value : 2
Mobile allocation
Length : 1
Mobile allocation array :
[0 ] : 1
[1 ] : 1<
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