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LTE-NB : Full Stack Protocol Sequence
Step |
Direction |
Message |
Comments |
1 |
UE <--- SS |
MIB | |
2 |
UE <--- SS |
SIB1 | |
3 |
UE <--- SS |
SIB2,3 and others | |
4 |
UE ---> SS |
PRACH (RACH Preamble) | |
5 |
UE <--- SS |
NPDCCH(DCI N1) | Resource Decoding information for RAR message |
6 |
UE <--- SS |
RACH Response | |
7 |
UE ---> SS |
RRC Connection Request | |
8 |
< UE > |
UE MAC start mac-ContentionResolutionTimer | 3GPP 36.321 5.1.5 CR Timer value is set in SIB2 |
9 |
UE <--- SS |
NPDCCH(DCI N1) | Resource Decoding information for CR |
10 |
UE <--- SS |
Contention Resolution + RRC Connection Setup | |
11 |
UE ---> SS |
HARQ ACK (NPUSCH format2) | HARQ ACK for CR Reception |
12 |
< UE > |
UE MAC stop mac-ContentionResolutionTimer | |
13 |
UE <--- SS |
UL Grant (DCI N0, NPDCCH) | Grant for transmitting 'RRC Connection Setup Complete' |
14 |
UE ---> SS |
RRC Connection Setup Complete + Attach Requeset + PDN Conn Request |
|
15 |
UE <--- SS |
DCI N1(NPDCCH) | Resource Decoding information for RLC ACK |
16 |
UE <--- SS |
RLC ACK | |
17 |
UE <--- SS |
DCI N1(NPDCCH) | Resource Decoding information for Athentication Request |
18 |
UE <--- SS |
Authentication Request | |
19 |
UE ---> SS |
HARQ ACK (NPUSCH format2) | |
20 |
UE <--- SS |
UL Grant (DCI N0, NPDCCH) | Grant to send RLC ACK |
21 |
UE ---> SS |
RLC ACK | |
22 |
UE <--- SS |
UL Grant (DCI N0, NPDCCH) | |
23 |
UE ---> SS |
Authentication Response | |
24 |
UE <--- SS |
DCI N1(NPDCCH) | Resource Decoding information for RLC ACK |
25 |
UE <--- SS |
RLC ACK | |
26 |
UE <--- SS |
DCI N1(NPDCCH) | Resource Decoding information for NAS Security Mode Command |
27 |
UE <--- SS |
NAS Security Mode Command | |
28 |
UE ---> SS |
HARQ ACK (NPUSCH format2) | |
29 |
UE <--- SS |
UL Grant (DCI N0, NPDCCH) | Grant to send RLC ACK |
30 |
UE ---> SS |
RLC ACK | |
31 |
UE <--- SS |
UL Grant (DCI N0, NPDCCH) | Grant to send NAS Security Mode Complete |
32 |
UE ---> SS |
NAS Security Mode Complete | |
33 |
UE <--- SS |
DCI N1(NPDCCH) | Resource Decoding information for RLC ACK |
34 |
UE <--- SS |
RLC ACK | |
35 |
UE <--- SS |
DCI N1(NPDCCH) | Resource Decoding information for Attach Accept |
36 |
UE <--- SS |
RRC : dlInformationTransfer + Attach Accept + Activate Default EPS Bearer Context Request |
|
37 |
UE ---> SS |
HARQ ACK (NPUSCH format2) | |
38 |
UE <--- SS |
UL Grant (DCI N0, NPDCCH) | Grant to send RLC ACK |
39 |
UE ---> SS |
RLC ACK | |
40 |
UE ---> SS |
RRC ulInformationTransfer + Attach Complete + Activate Default EPS Bearer Context Accept |
|
41 |
UE <--- SS |
RLC ACK |
(1) MIB
BCCH-BCH-Message-NB
message
systemFrameNumber-MSB-r13: 00 [bit length 4, 4 LSB pad bits, 0000 .... decimal value 0]
hyperSFN-LSB-r13: 00 [bit length 2, 6 LSB pad bits, 00.. .... decimal value 0]
schedulingInfoSIB1-r13: 4 NPDSCH repetitions - TBS 208 bits (0)
systemInfoValueTag-r13: 0
.... ...0 ab-Enabled-r13: False
operationModeInfo-r13: standalone-r13 (3)
standalone-r13
spare: 00 [bit length 5, 3 LSB pad bits, 0000 0... decimal value 0]
spare: 0000 [bit length 11, 5 LSB pad bits, 0000 0000 000. .... decimal value 0]
HEX : 00 00 C0 00 00
(2) SIB1
systemInformationBlockType1-r13
hyperSFN-MSB-r13: 00 [bit length 8, 0000 0000 decimal value 0]
cellAccessRelatedInfo-r13
plmn-IdentityList-r13: 1 item
Item 0
PLMN-IdentityInfo-NB-r13
plmn-Identity-r13
mcc: 3 items
Item 0
MCC-MNC-Digit: 0
Item 1
MCC-MNC-Digit: 0
Item 2
MCC-MNC-Digit: 1
mnc: 2 items
Item 0
MCC-MNC-Digit: 0
Item 1
MCC-MNC-Digit: 1
cellReservedForOperatorUse-r13: notReserved (1)
attachWithoutPDN-Connectivity-r13: true (0)
trackingAreaCode-r13: 0001
cellIdentity-r13: 00000010
cellBarred-r13: notBarred (1)
intraFreqReselection-r13: allowed (0)
cellSelectionInfo-r13
q-RxLevMin-r13: -140dBm (-70)
q-QualMin-r13: -34dB
p-Max-r13: -30dBm
freqBandIndicator-r13: 2
eutraControlRegionSize-r13: n2 (1)
nrs-CRS-PowerOffset-r13: dB6 (12)
schedulingInfoList-r13: 1 item
Item 0
SchedulingInfo-NB-r13
si-Periodicity-r13: rf64 (0)
si-RepetitionPattern-r13: every4thRF (1)
sib-MappingInfo-r13: 1 item
Item 0
SIB-Type-NB-r13: sibType3-NB-r13 (0)
si-TB-r13: b256 (3)
si-WindowLength-r13: ms160 (0)
HEX : 63 00 01 80 08 06 00 02 00 00 00 30 00 00 05 C0 10 86 00
(3) SIB2 and others
sib2-r13
radioResourceConfigCommon-r13
rach-ConfigCommon-r13
preambleTransMax-CE-r13: n20 (7)
powerRampingParameters-r13
powerRampingStep: dB4 (2)
preambleInitialReceivedTargetPower: dBm-92 (14)
rach-InfoList-r13: 1 item
Item 0
RACH-Info-NB-r13
ra-ResponseWindowSize-r13: pp10 (7)
mac-ContentionResolutionTimer-r13: pp8 (4)
bcch-Config-r13
modificationPeriodCoeff-r13: n16 (0)
pcch-Config-r13
defaultPagingCycle-r13: rf128 (0)
nB-r13: fourT (0)
npdcch-NumRepetitionPaging-r13: r1 (0)
nprach-Config-r13
nprach-CP-Length-r13: us66dot7 (0)
nprach-ParametersList-r13: 1 item
Item 0
NPRACH-Parameters-NB-r13
nprach-Periodicity-r13: ms640 (5)
nprach-StartTime-r13: ms8 (0)
nprach-SubcarrierOffset-r13: n12 (1)
nprach-NumSubcarriers-r13: n12 (0)
nprach-SubcarrierMSG3-RangeStart-r13: one (3)
maxNumPreambleAttemptCE-r13: n10 (6)
numRepetitionsPerPreambleAttempt-r13: n1 (0)
npdcch-NumRepetitions-RA-r13: r16 (4)
npdcch-StartSF-CSS-RA-r13: v4 (2)
npdcch-Offset-RA-r13: zero (0)
npdsch-ConfigCommon-r13
nrs-Power-r13: 1dBm
npusch-ConfigCommon-r13
ack-NACK-NumRepetitions-Msg4-r13: 1 item
Item 0
ACK-NACK-NumRepetitions-NB-r13: r1 (0)
dmrs-Config-r13
threeTone-BaseSequence-r13: 0
threeTone-CyclicShift-r13: 0
sixTone-CyclicShift-r13: 0
ul-ReferenceSignalsNPUSCH-r13
.... 0... groupHoppingEnabled-r13: False
groupAssignmentNPUSCH-r13: 0
uplinkPowerControlCommon-r13
p0-NominalNPUSCH-r13: -92dBm
alpha-r13: al1 (7)
deltaPreambleMsg3-r13: -2dB (-1)
ue-TimersAndConstants-r13
t300-r13: ms2500 (0)
t301-r13: ms2500 (0)
t310-r13: ms0 (0)
n310-r13: n1 (0)
t311-r13: ms1000 (0)
n311-r13: n1 (0)
freqInfo-r13
additionalSpectrumEmission-r13: 1
timeAlignmentTimerCommon-r13: infinity (7)
sib-TypeAndInfo-r13 item: sib3-r13 (1)
sib3-r13
cellReselectionInfoCommon-r13
q-Hyst-r13: dB0 (0)
cellReselectionServingFreqInfo-r13
s-NonIntraSearch-r13: 0dB (0)
intraFreqCellReselectionInfo-r13
q-RxLevMin-r13: -140dBm (-70)
s-IntraSearchP-r13: 0dB (0)
t-Reselection-r13: s6 (2)
HEX : 00 40 03 DC 78 00 01 41 3C 11 0F 50 40 00 08 B8 00 00 00 71 00 00 00 10
(7) RRC Connection Request
rrcConnectionRequest-r13
ue-Identity-r13: randomValue (1)
randomValue: 59aa46959a
establishmentCause-r13: mo-Signalling (1)
multiToneSupport-r13: true (0)
spare: 000000
HEX : 2A B3 54 8D 2B 34 40 00 00
(8) Contention Resolution + RRC Connection Setup
rrcConnectionSetup-r13
radioResourceConfigDedicated-r13
srb-ToAddModList-r13: 1 item
Item 0
SRB-ToAddMod-NB-r13
rlc-Config-r13: defaultValue (1)
defaultValue: NULL
logicalChannelConfig-r13: defaultValue (1)
defaultValue: NULL
mac-MainConfig-r13: explicitValue-r13 (0)
explicitValue-r13
ul-SCH-Config-r13
periodicBSR-Timer-r13: pp8 (2)
retxBSR-Timer-r13: infinity (6)
drx-Config-r13: release (0)
release: NULL
timeAlignmentTimerDedicated-r13: infinity (7)
logicalChannelSR-Config-r13: setup (1)
setup
logicalChannelSR-ProhibitTimer-r13: pp2048 (6)
physicalConfigDedicated-r13
npdcch-ConfigDedicated-r13
npdcch-NumRepetitions-r13: r16 (4)
npdcch-StartSF-USS-r13: v4 (2)
npdcch-Offset-USS-r13: zero (0)
npusch-ConfigDedicated-r13
ack-NACK-NumRepetitions-r13: r8 (3)
.... ..1. npusch-AllSymbols-r13: True
uplinkPowerControlDedicated-r13
p0-UE-NPUSCH-r13: 0dB
HEX : 30 13 3C F5 9F 8E 88 CF 00
(13) RRC Connection Setup Complete+ Attach Requeset+ PDN Conn Request
rrcConnectionSetupComplete-r13
selectedPLMN-Identity-r13: 1
registeredMME-r13
mmegi: 8001 [bit length 16, 1000 0000 0000 0001 decimal value 32769]
mmec: 01 [bit length 8, 0000 0001 decimal value 1]
dedicatedInfoNAS-r13: 1730bb646f020741020bf600f1108001010000000107f070...
Non-Access-Stratum (NAS)PDU
0001 .... = Security header type: Integrity protected (1)
.... 0111 = Protocol discriminator: EPS mobility management messages (0x7)
Message authentication code: 0x30bb646f
Sequence number: 2
0000 .... = Security header type: Plain NAS message, not security protected (0)
.... 0111 = Protocol discriminator: EPS mobility management messages (0x7)
NAS EPS Mobility Management Message Type: Attach request (0x41)
0... .... = Type of security context flag (TSC): Native security context (for KSIasme)
.000 .... = NAS key set identifier: (0)
.... 0... = Spare bit(s): 0x00
.... .010 = EPS attach type: Combined EPS/IMSI attach (2)
EPS mobile identity
Length: 11
.... 0... = Odd/even indication: Even number of identity digits
.... .110 = Type of identity: GUTI (6)
Mobile Country Code (MCC): Unknown (1)
Mobile Network Code (MNC): Unknown (01)
MME Group ID: 32769
MME Code: 1
M-TMSI: 0x00000001
UE network capability
Length: 7
1... .... = EEA0: Supported
.1.. .... = 128-EEA1: Supported
..1. .... = 128-EEA2: Supported
...1 .... = 128-EEA3: Supported
.... 0... = EEA4: Not supported
.... .0.. = EEA5: Not supported
.... ..0. = EEA6: Not supported
.... ...0 = EEA7: Not supported
0... .... = EIA0: Not supported
.1.. .... = 128-EIA1: Supported
..1. .... = 128-EIA2: Supported
...1 .... = 128-EIA3: Supported
.... 0... = EIA4: Not supported
.... .0.. = EIA5: Not supported
.... ..0. = EIA6: Not supported
.... ...0 = EIA7: Not supported
0... .... = UEA0: Not supported
.0.. .... = UEA1: Not supported
..0. .... = UEA2: Not supported
...0 .... = UEA3: Not supported
.... 0... = UEA4: Not supported
.... .0.. = UEA5: Not supported
.... ..0. = UEA6: Not supported
.... ...0 = UEA7: Not supported
0... .... = UCS2 support (UCS2): The UE has a preference for the default alphabet
.0.. .... = UMTS integrity algorithm UIA1: Not supported
..0. .... = UMTS integrity algorithm UIA2: Not supported
...0 .... = UMTS integrity algorithm UIA3: Not supported
.... 0... = UMTS integrity algorithm UIA4: Not supported
.... .0.. = UMTS integrity algorithm UIA5: Not supported
.... ..0. = UMTS integrity algorithm UIA6: Not supported
.... ...0 = UMTS integrity algorithm UIA7: Not supported
0... .... = ProSe direct discovery: Not supported
.0.. .... = ProSe: Not supported
..0. .... = H.245 After SRVCC Handover: Not supported
...1 .... = Access class control for CSFB: Supported
.... 0... = LTE Positioning Protocol: Not supported
.... .0.. = Location services (LCS) notification mechanisms: Not supported
.... ..0. = SRVCC from E-UTRAN to cdma2000 1xCS: Not supported
.... ...0 = Notification procedure: Not supported
1... .... = Extended protocol configuration options: Supported
.0.. .... = Header compression for control plane CIoT EPS optimization:
Not supported
..0. .... = EMM-REGISTERED w/o PDN connectivity: Not supported
...0 .... = S1-U data transfer: Not supported
.... 0... = User plane CIoT EPS optimization: Not supported
.... .1.. = Control plane CIoT EPS optimization: Supported
.... ..0. = ProSe UE-to-network relay: Not supported
.... ...0 = ProSe direct communication: Not supported
0000 000. = Spare bit(s): 0x00
.... ...1 = Multiple DRB: Supported
ESM message container
Length: 48
ESM message container contents: 021bd03127268080211001000010810...
0000 .... = EPS bearer identity: No EPS bearer identity assigned (0)
.... 0010 = Protocol discriminator: EPS session management messages (0x2)
Procedure transaction identity: 27
NAS EPS session management messages: PDN connectivity request (0xd0)
0011 .... = PDN type: IPv4v6 (3)
.... 0001 = Request type: Initial request (1)
Protocol Configuration Options
Element ID: 0x27
Length: 38
[Link direction: MS to network (0)]
1... .... = Extension: True
.... .000 = Configuration Protocol:
PPP for use with IP PDP type or IP PDN type (0)
Protocol or Container ID: Internet Protocol Control Protocol (0x8021)
Length: 0x10 (16)
PPP IP Control Protocol
Code: Configuration Request (1)
Identifier: 0 (0x00)
Length: 16
Options: (12 bytes), Primary DNS Server IP Address,
Secondary DNS Server IP Address
Primary DNS Server IP Address
Type: Primary DNS Server IP Address (129)
Length: 6
Primary DNS Address: 0.0.0.0
Secondary DNS Server IP Address
Type: Secondary DNS Server IP Address (131)
Length: 6
Secondary DNS Address: 0.0.0.0
Protocol or Container ID: DNS Server IPv4 Address Request (0x000d)
Length: 0x00 (0)
Protocol or Container ID: DNS Server IPv6 Address Request (0x0003)
Length: 0x00 (0)
Protocol or Container ID: IP address allocation via NAS signalling(0x000a)
Length: 0x00 (0)
Protocol or Container ID: MS Support of Network Requested Bearer
Control indicator (0x0005)
Length: 0x00 (0)
Protocol or Container ID: IPv4 Link MTU Request (0x0010)
Length: 0x00 (0)
Protocol or Container ID: MS support of Local address
in TFT indicator (0x0011)
Length: 0x00 (0)
Extended protocol configuration options
Element ID: 0x7b
Length: 1
[Link direction: MS to network (0)]
0... .... = Extension: False
.... .001 = Configuration Protocol: PPP for use with IP PDP type or
IP PDN type (1)
Tracking area identity - Last visited registered TAI
Element ID: 0x52
Mobile Country Code (MCC): Unknown (1)
Mobile Network Code (MNC): Unknown (01)
Tracking area code(TAC): 1
Location area identification - Old location area identification
Element ID: 0x13
Location Area Identification (LAI) - 001/01/1
Mobile Country Code (MCC): Unknown (1)
Mobile Network Code (MNC): Unknown (01)
Location Area Code (LAC): 0x0001 (1)
Mobile station classmark 2
Element ID: 0x11
Length: 3
0... .... = Spare: 0
.10. .... = Revision Level: Used by mobile stations supporting R99 or
later versions of the protocol (2)
...0 .... = ES IND: Controlled Early Classmark Sending option is not implemented
in the MS
.... 1... = A5/1 algorithm supported: encryption algorithm A5/1 not available
.... .111 = RF Power Capability: RF Power capability is irrelevant
in this information element (7)
0... .... = Spare: 0
.0.. .... = PS capability (pseudo-synchronization capability):
PS capability not present
..01 .... = SS Screening Indicator: Capability of handling of ellipsis notation
and phase 2 error handling (1)
.... 1... = SM capability (MT SMS pt to pt capability): Mobile station supports
mobile terminated point to point SMS
.... .0.. = VBS notification reception: no VBS capability or
no notifications wanted
.... ..0. = VGCS notification reception: no VGCS capability or
no notifications wanted
.... ...0 = FC Frequency Capability: The MS does not support the E-GSM or
R-GSM band
1... .... = CM3: The MS supports options that are indicated in classmark 3 IE
.0.. .... = Spare: 0
..1. .... = LCS VA capability (LCS value added location request
notification capability): LCS value added location request
notification capability supported
...0 .... = UCS2 treatment: the ME has a preference for the default alphabet
.... 0... = SoLSA: The ME does not support SoLSA
.... .1.. = CMSP: CM Service Prompt: Network initiated MO CM connection request
supported for at least one CM protocol
.... ..1. = A5/3 algorithm supported: encryption algorithm A5/3 available
.... ...0 = A5/2 algorithm supported: encryption algorithm A5/2 not available
Additional update type
1111 .... = Element ID: 0xf-
.... 01.. = Preferred CIoT network behaviour:
Control-plane CIoT EPS optimization (1)
.... ..0. = SAF: Keeping the NAS signalling connection is not required after
the completion of the tracking area updating procedure
.... ...0 = AUTV: No additional information (shall be interpreted as request for
combined attach or combined tracking area updating)
GUTI type - Old GUTI type
1110 .... = Element ID: 0xe-
.... 000. = Spare bit(s): 0x00
.... ...0 = GUTI type: Native GUTI
MS network feature support
1100 .... = Element ID: 0xc-
.... 000. = Spare bit(s): 0
.... ...1 = Extended periodic timers: MS supports the extended periodic timer
in this domain
Network Resource Identifier Container - TMSI based NRI container
Element ID: 0x10
Length: 2
0000 0000 00.. .... = NRI container value: 0x000
..00 0000 = Spare bit(s): 0
Extended DRX Parameters
Element ID: 0x6e
Length: 1
0100 .... = Paging Time Window: Iu: 4 s / WB-S1: 6.4 s / NB-S1: 12.8 s (0x4)
.... 1101 = eDRX value: GERAN: 1.88 s / UTRAN: 10.24 s / E-UTRAN: 2621.44 s (0xd)
HEX : 10 40 20 00 40 5A 85 CC 2E D9 1B C0 81 D0 40 82 FD 80 3C 44 20 00 40 40 00 00 00 41 FC 1C 00 00 04 21 00 40 0C 00 86 F4 0C 49 C9 A0 20 08 44 00 40 00 04 20 41 80 00 00 00 20 C1 80 00 00 00 00 03 40 00 00 C0 00 02 80 00 01 40 00 04 00 00 04 40 1E C0 00 40 54 80 3C 44 00 00 44 C0 3C 44 00 00 44 40 D3 C6 29 BD 38 30 44 00 80 00 1B 80 53 40
(17) Authentication Request
dlInformationTransfer-r13
dedicatedInfoNAS-r13: 0752000123456789abcdef0123456789abcdef1054cdfeab...
Non-Access-Stratum (NAS)PDU
0000 .... = Security header type: Plain NAS message, not security protected (0)
.... 0111 = Protocol discriminator: EPS mobility management messages (0x7)
NAS EPS Mobility Management Message Type: Authentication request (0x52)
0000 .... = Spare half octet: 0
.... 0... = Type of security context flag (TSC): Native security context (for KSIasme)
.... .000 = NAS key set identifier: (0) ASME
Authentication Parameter RAND - EPS challenge
RAND value: 0123456789abcdef0123456789abcdef
Authentication Parameter AUTN (UMTS and EPS authentication challenge) - EPS challenge
Length: 16
AUTN value: 54cdfeab9889800001326754cdfe2b98
SQN xor AK: 54cdfeab9889
AMF: 8000
MAC: 01326754cdfe2b98
HEX : 00 09 01 D4 80 00 48 D1 59 E2 6A F3 7B C0 48 D1 59 E2 6A F3 7B C4 15 33 7F AA E6 22 60 00 00 4C 99 D5 33 7F 8A E6 00
(22) Authentication Response
ulInformationTransfer-r13
dedicatedInfoNAS-r13: 17f9cb55fe0307531001326754cdfeab9889baefdc457623...
Non-Access-Stratum (NAS)PDU
0001 .... = Security header type: Integrity protected (1)
.... 0111 = Protocol discriminator: EPS mobility management messages (0x7)
Message authentication code: 0xf9cb55fe
Sequence number: 3
0000 .... = Security header type: Plain NAS message, not security protected (0)
.... 0111 = Protocol discriminator: EPS mobility management messages (0x7)
NAS EPS Mobility Management Message Type: Authentication response (0x53)
Authentication response parameter
Length: 16
RES: 01326754cdfeab9889baefdc45762310
HEX : 30 19 17 F9 CB 55 FE 03 07 53 10 01 32 67 54 CD FE AB 98 89 BA EF DC 45 76 23 10
(26) NAS Security Mode Command
dlInformationTransfer-r13
dedicatedInfoNAS-r13: 37205a892300075d010002f070c1
Non-Access-Stratum (NAS)PDU
0011 .... = Security header type: Integrity protected with new EPS security context (3)
.... 0111 = Protocol discriminator: EPS mobility management messages (0x7)
Message authentication code: 0x205a8923
Sequence number: 0
0000 .... = Security header type: Plain NAS message, not security protected (0)
.... 0111 = Protocol discriminator: EPS mobility management messages (0x7)
NAS EPS Mobility Management Message Type: Security mode command (0x5d)
NAS security algorithms - Selected NAS security algorithms
0... .... = Spare bit(s): 0x00
.000 .... = Type of ciphering algorithm: EPS encryption algorithm EEA0
(null ciphering algorithm) (0)
.... 0... = Spare bit(s): 0x00
.... .001 = Type of integrity protection algorithm:
EPS integrity algorithm 128-EIA1 (1)
0000 .... = Spare half octet: 0
.... 0... = Type of security context flag (TSC): Native security context (for KSIasme)
.... .000 = NAS key set identifier: (0) ASME
UE security capability - Replayed UE security capabilities
Length: 2
1... .... = EEA0: Supported
.1.. .... = 128-EEA1: Supported
..1. .... = 128-EEA2: Supported
...1 .... = 128-EEA3: Supported
.... 0... = EEA4: Not supported
.... .0.. = EEA5: Not supported
.... ..0. = EEA6: Not supported
.... ...0 = EEA7: Not supported
0... .... = EIA0: Not supported
.1.. .... = 128-EIA1: Supported
..1. .... = 128-EIA2: Supported
...1 .... = 128-EIA3: Supported
.... 0... = EIA4: Not supported
.... .0.. = EIA5: Not supported
.... ..0. = EIA6: Not supported
.... ...0 = EIA7: Not supported
IMEISV request
1100 .... = Element ID: 0xc-
.... 0... = Spare bit(s): 0x00
.... .001 = IMEISV request: IMEISV requested (1)
HEX : 00 03 8D C8 16 A2 48 C0 01 D7 40 40 00 BC 1C 30 40
(31) NAS Security Mode Complete
ulInformationTransfer-r13
dedicatedInfoNAS-r13: 47f678b4ff00075e23090310200790999909f0
Non-Access-Stratum (NAS)PDU
0100 .... = Security header type: Integrity protected and ciphered with
new EPS security context (4)
.... 0111 = Protocol discriminator: EPS mobility management messages (0x7)
Message authentication code: 0xf678b4ff
Sequence number: 0
0000 .... = Security header type: Plain NAS message, not security protected (0)
.... 0111 = Protocol discriminator: EPS mobility management messages (0x7)
NAS EPS Mobility Management Message Type: Security mode complete (0x5e)
Mobile identity - IMEISV - IMEISV (0010270099999900)
Element ID: 0x23
Length: 9
0000 .... = Identity Digit 1: 0
.... 0... = Odd/even indication: Even number of identity digits
.... .011 = Mobile Identity Type: IMEISV (3)
BCD Digits: 0010270099999900
1111 .... = Filler: 0xf
HEX : 30 13 47 F6 78 B4 FF 00 07 5E 23 09 03 10 20 07 90 99 99 09 F0
(35) Attach Accept + Activate Default EPS Bearer Context Request
dlInformationTransfer-r13
dedicatedInfoNAS-r13: 27fb54f05e02074202e0060000f1100001003d5201c10109...
Non-Access-Stratum (NAS)PDU
0010 .... = Security header type: Integrity protected and ciphered (2)
.... 0111 = Protocol discriminator: EPS mobility management messages (0x7)
Message authentication code: 0xfb54f05e
Sequence number: 2
0000 .... = Security header type: Plain NAS message, not security protected (0)
.... 0111 = Protocol discriminator: EPS mobility management messages (0x7)
NAS EPS Mobility Management Message Type: Attach accept (0x42)
0000 .... = Spare half octet: 0
.... 0... = Spare bit(s): 0x00
.... .010 = Attach result: Combined EPS/IMSI attach (2)
GPRS Timer - T3412 value
GPRS Timer: timer is deactivated
111. .... = Unit: value indicates that the timer is deactivated (7)
...0 0000 = Timer value: 0
Tracking area identity list - TAI list
Length: 6
0... .... = Spare bit(s): 0x00
.00. .... = Type of list: list of TACs belonging to one PLMN,
with non-consecutive TAC values (0)
...0 0000 = Number of elements: 0 [+1 = 1 element(s)]
Mobile Country Code (MCC): Unknown (1)
Mobile Network Code (MNC): Unknown (01)
Tracking area code(TAC): 1
ESM message container
Length: 61
ESM message container contents: 5201c10109100377777707616e72...
0101 .... = EPS bearer identity: EPS bearer identity value 5 (5)
.... 0010 = Protocol discriminator: EPS session management messages (0x2)
Procedure transaction identity: 1
NAS EPS session management messages:
Activate default EPS bearer context request (0xc1)
EPS quality of service
Length: 1
Quality of Service Class Identifier (QCI): QCI 9 (9)
Access Point Name
Length: 22
APN: www.sharetechnote.com
PDN address
Length: 13
0000 0... = Spare bit(s): 0x00
PDN type: IPv4v6 (3)
PDN IPv6 if id: 0000000000000001
PDN IPv4: 192.168.20.11
Linked TI - Transaction identifier
Element ID: 0x5d
Length: 1
1... .... = TI Flag:The message is sent to the side that originates the TI
TI value: 0x00 (0)
Quality Of Service - Negotiated QoS
Element ID: 0x30
Length: 14
00.. .... = Spare bit(s): 0
..10 0... = Quality of Service Delay class: Delay class 4(best effort)(4)
.... .011 = Reliability class: Unacknowledged GTP/LLC, Ack RLC,
Protected data (3)
1001 .... = Peak throughput: Up to 256 000 octet/s (9)
.... 0... = Spare bit(s): 0
.... .010 = Precedence class: Normal priority (2)
000. .... = Spare bit(s): 0
...0 1010 = Mean throughput: 100 000 octet/h (10)
100. .... = Traffic class: Background class (4)
...1 0... = Delivery order: Without delivery order ('no') (2)
.... .011 = Delivery of erroneous SDUs:
Erroneous SDUs are not delivered('No') (3)
Maximum SDU size: 1500 octets (150)
Maximum bitrate for uplink: 64 kbps (64)
Maximum bitrate for downlink: 384 kbps (104)
0111 .... = Residual Bit Error Rate (BER): 1*10-5 (7)
.... 0100 = SDU error ratio: 1*10-4 (4)
0000 00.. = Transfer delay: Subscribed transfer delay/reserved (0)
.... ..00 = Traffic handling priority:
Subscribed traffic handling priority/Reserved (0)
Guaranteed bitrate for uplink: 64 kbps (64)
Guaranteed bitrate for downlink: 568 kbps (127)
000. .... = Spare bit(s): 0
...0 .... = Signalling indication: Not optimised for signalling traffic
.... 0000 = Source statistics description: unknown (0)
Maximum bitrate for downlink (extended): Use the value indicated
by the Maximum bit rate for downlink (0)
Guaranteed bitrate for downlink (extended): Use the value indicated
by the Guaranteed bit rate for downlink (0)
LLC Service Access Point Identifier - Negotiated LLC SAPI
Element ID: 0x32
0000 .... = Spare bit(s): 0
.... 0011 = LLC SAPI: SAPI 3 (3)
Radio Priority
1000 .... = Element ID: 0x8-
.... .001 = Radio Priority (PDP or SMS): priority level 1 (highest) (1)
Protocol Configuration Options
Element ID: 0x27
Length: 1
[Link direction: Network to MS (1)]
1... .... = Extension: True
.... .000 = Configuration Protocol: PPP for use with IP PDP type
or IP PDN type (0)
EPS mobile identity - GUTI
Element ID: 0x50
Length: 11
.... 0... = Odd/even indication: Even number of identity digits
.... .110 = Type of identity: GUTI (6)
Mobile Country Code (MCC): Unknown (1)
Mobile Network Code (MNC): Unknown (01)
MME Group ID: 32769
MME Code: 1
M-TMSI: 0x00000001
Location area identification
Element ID: 0x13
Location Area Identification (LAI) - 001/01/1
Mobile Country Code (MCC): Unknown (1)
Mobile Network Code (MNC): Unknown (01)
Location Area Code (LAC): 0x0001 (1)
Mobile identity - MS identity - TMSI/P-TMSI (0x0000)
Element ID: 0x23
Length: 5
1111 .... = Unused: 0xf
.... 0... = Odd/even indication: Even number of identity digits
.... .100 = Mobile Identity Type: TMSI/P-TMSI/M-TMSI (4)
TMSI/P-TMSI: 0x00000000
EPS network feature support
Element ID: 0x64
Length: 2
1... .... = Control plane CIoT EPS optimization: Supported
.1.. .... = EMM-REGISTERED w/o PDN connectivity: Supported
..0. .... = Support of EXTENDED SERVICE REQUEST for packet services: Not supported
...0 0... = CS-LCS: no information about support of location services
via CS domain is available (0)
.... .0.. = Location services via EPC: Not supported
.... ..0. = Emergency bearer services in S1 mode: Not supported
.... ...0 = IMS voice over PS session in S1 mode: Not supported
0000 .... = Spare bit(s): 0x00
.... 0... = Extended protocol configuration options IE: Not supported
.... .0.. = Header compression for control plane CIoT EPS optimization:
Not supported
.... ..1. = S1-u data transfer: Supported
.... ...0 = User plane CIoT EPS optimization: Not supported
HEX : 00 1B 89 FE D5 3C 17 80 81 D0 80 B8 01 80 00 3C 44 00 00 40 0F 54 80 70 40 42 44 00 DD DD DD C1 D8 5B 9C 9A 5D 1C DD 40 D8 DB DB 43 40 C0 00 00 00 00 00 00 00 70 2A 05 02 D7 40 60 0C 03 88 E4 82 A4 E5 90 1A 1D 00 10 1F C0 00 00 0C 80 E0 49 C0 60 14 02 FD 80 3C 44 20 00 40 40 00 00 00 44 C0 3C 44 00 00 48 C1 7D 00 00 00 00 19 00 B0 00 80