LTE NAS description.docx

LTE NAS description Non Access Stratum protocol for Evolved Packet System (EPS) 24.301 v12.2.0 (2013-09) Control plane between UE and MME at the radio interface 

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Establish and maintain IP connectivity between the UE and a packet data network gateway (PDN GW) Default and Dedicated EPS Bearer management Mobility of the user equipment (UE) Integrity protection and ciphering of NAS signalling messages messages

Filter

EPS mobility management messages Message Direction Message type 0x42 66 to UE Attach accept to 0x43 67 Attach complete Network 0x44 68 to UE Attach reject to 0x41 65 Attach request Network to 0x5c 92 Authentication failure Network 0x54 84 to UE Authentication reject 0x52 82 to UE Authentication request to 0x53 83 Authentication response Network 0x64 100 to UE CS Service notification 0x46 70 to UE Detach accept (UE originating detach) to 0x46 70 Detach accept (UE terminated detach) Network to 0x45 69 Detach request (UE originating detach) Network

Reference 8.2.1 8.2.2 8.2.3 8.2.4 8.2.5 8.2.6 8.2.7 8.2.8 8.2.9 8.2.10.1 8.2.10.2 8.2.11.1

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EPS mobility management messages Message Direction Message type Detach request (UE terminated to UE 0x45 69 detach) to UE Downlink NAS transport 0x62 98 to UE EMM information 0x61 97 0x60 96 both EMM status to 0x4c 76 Extended service request Network to UE GUTI reallocation command 0x50 80 to 0x51 81 GUTI reallocation complete Network 0x55 85 to UE Identity request to 0x56 86 Identity response Network 0x5d 93 to UE Security mode command to Security mode complete 0x5e 94 Network to 0x5f 95 Security mode reject Network both Security protected NAS message 0x4d 77 to UE Service reject to Service request Network 0x49 73 to UE Tracking area update accept to 0x4a 74 Tracking area update complete Network to UE Tracking area update reject 0x4b 75 to Tracking area update request 0x48 72 Network to 0x63 99 Uplink NAS transport Network 0x68 104 to UE Downlink generic NAS transport to 0x69 105 Uplink generic NAS transport Network Nb = 34 EPS session management messages Message Direction Message

Reference 8.2.11.2 8.2.12 8.2.13 8.2.14 8.2.15 8.2.16 8.2.17 8.2.18 8.2.19 8.2.20 8.2.21 8.2.22 8.2.23 8.2.24 8.2.25 8.2.26 8.2.27 8.2.28 8.2.29 8.2.30 8.2.31 8.2.32

Reference















EPS session management messages Message Direction Message type Activate dedicated EPS bearer context 0xc5 197 to UE request to Activate default EPS bearer context 0xc2 194 Network accept to Activate default EPS bearer context 0xc3 195 Network reject Activate default EPS bearer context 0xc1 193 to UE request 0xd5 213 to UE Bearer resource allocation reject to 0xd4 212 Bearer resource allocation request Network 0xd7 215 to UE Bearer resource modification reject to Bearer resource modification request 0xd6 214 Network to 0xce 206 Deactivate EPS bearer context accept Network 0xcd 205 to UE Deactivate EPS bearer context request 0xd9 217 to UE ESM information request to 0xda 218 ESM information response Network 0xe8 232 both ESM status to 0xca 202 Modify EPS bearer context accept Network to 0xcb 203 Modify EPS bearer context reject Network 0xc9 201 to UE Modify EPS bearer context request 0xdb 219 to UE Notification PDN connectivity reject 0xd1 209 to UE to 0xd0 208 PDN connectivity request Network 0xd3 211 to UE PDN disconnect reject to 0xd2 210 PDN disconnect request Network Nb = 23

Presence (24.007)

Reference 8.3.3 8.3.4 8.3.5 8.3.6 8.3.7 8.3.8 8.3.9 8.3.10 8.3.11 8.3.12 8.3.13 8.3.14 8.3.15 8.3.16 8.3.17 8.3.18 8.3.18A 8.3.19 8.3.20 8.3.21 8.3.22















Optional C

Conditional Total length X,Y-Z X

Minimum length with mandatory IEI only Y

Minimum length with all IEIs Z

Maximum length with all IEIs

EPS mobility management message 8.2.1 Attach accept IEI Information Element

Type/Reference Protocol discriminator Protocol discriminator 9.2 Security header type Security header type 9.3.1 Attach accept Message type message identity 9.8 EPS attach result EPS attach result 9.9.3.10 Spare half octet Spare half octet 9.9.2.9 GPRS timer T3412 value 9.9.3.16 Tracking area identity TAI list list 9.9.3.33 ESM message ESM message container container 9.9.3.15 EPS mobile identity 50 GUTI 9.9.3.12 Location area Location area 13 identification identification 9.9.2.2

Presence Format Length M

V

1/2

M

V

1/2

M

V

1

M

V

1/2

M

V

1/2

M

V

1

M

LV

7-97

M

LV-E

5-n

O

TLV

13

O

TV

6















IEI Information Element 17 T3402 value 59 T3423 value 4A Equivalent PLMNs 34

Emergency number list

64

EPS network feature support

F-

Additional update result

5E T3412 extended value

Type/Reference GPRS timer 9.9.3.16 GPRS timer 9.9.3.16 PLMN list 9.9.2.8 Emergency number list 9.9.3.37 EPS network feature support 9.9.3.12A Additional update result 9.9.3.0A GPRS timer 3 9.9.3.16B

Nb IEI = 19

Presence Format Length O

TV

2

O

TV

2

O

TLV

5-47

O

TLV

5-50

O

TLV

3

O

TV

1

O

TLV

3

M = 8, O = 11

16,65n

8.2.2 Attach complete IEI Information Element Protocol discriminator

Security header type Attach complete message identity ESM message container Nb IEI = 4

8.2.3 Attach reject

Type/Reference Protocol discriminator 9.2 Security header type 9.3.1 Message type 9.8 ESM message container 9.9.3.15


V

1/2

M

V

1/2

M

V

1

M

LV-E

5-n

M=4

7-n















IEI Information Element Security header type Attach reject message identity EMM cause 78 ESM message container 5F T3346 value 16 T3402 value

Type/Reference Security header type 9.3.1 Message type 9.8 EMM cause 9.9.3.9 ESM message container 9.9.3.15 GPRS timer 2 9.9.3.16A GPRS timer 2 9.9.3.16A

Nb IEI = 7


V

1/2

M

V

1

M

V

1

O

TLV-E

6-n

O

TLV

3

O

TLV

3

M = 4, O = 3

3,15-n

8.2.4 Attach request IEI Information Element Protocol discriminator Security header type Attach request message identity EPS attach type NAS key set identifier EPS mobile identity UE network capability ESM message container 19 Old P-TMSI signature 50 Additional GUTI

Type/Reference Protocol discriminator 9.2 Security header type 9.3.1 Message type 9.8 EPS attach type 9.9.3.11 NAS key set identifier 9.9.3.21 EPS mobile identity 9.9.3.12 UE network capability 9.9.3.34 ESM message container 9.9.3.15 P-TMSI signature 9.9.3.26 EPS mobile identity


V

1/2

M

V

1/2

M

V

1

M

V

1/2

M

V

1/2

M

LV

5-12

M

LV

3-14

M

LV-E

5-n

O

TV

4

O

TLV

13

















IEI Information Element MS network 31 capability 13

Old location area identification

9-

TMSI status

11

Mobile station classmark 2

20

Mobile station classmark 3

40 Supported Codecs F-

Additional update type

Voice domain 5D preference and UE's usage setting D-

Device properties

E-

Old GUTI type

C-

MS network feature support

10

TMSI based NRI container

Type/Reference MS network capability 9.9.3.20 Location area identification 9.9.2.2 TMSI status 9.9.3.31 Mobile station classmark 2 9.9.2.4 Mobile station classmark 3 9.9.2.5 Supported Codec List 9.9.2.10 Additional update type 9.9.3.0B Voice domain preference and UE's usage setting 9.9.3.44 Device properties 9.9.2.0A GUTI type 9.9.3.45 MS network feature support 9.9.3.20A Network resource identifier container 9.9.3.24A


TLV

4-10

O

TV

6

O

TV

1

O

TLV

5

O

TLV

2-34

O

TLV

5-n

O

TV

1

O

TLV

3

O

TV

1

O

TV

1

O

TV

1

O

TLV

4

















IEI Information Element EMM cause 30

Authentication failure parameter

Nb IEI = 5

Type/Reference Presence Format Length EMM cause M V 1 9.9.3.9 Authentication failure parameter O TLV 16 9.9.3.1 3,19M = 4, O = 1 19

8.2.6 Authentication reject IEI Information Element Protocol discriminator

Security header type Authentication reject message type Nb IEI = 3

Type/Reference Protocol discriminator 9.2 Security header type 9.3.1 Message type 9.8


V

1/2

M

V

1/2

M

V

1

M=3

2

8.2.7 Authentication request IEI Information Element Protocol discriminator

Type/Reference Protocol discriminator 9.2 Security header


V

1/2

















IEI Information Element Authentication parameter AUTN (EPS challenge) Nb IEI = 7

Type/Reference Authentication parameter AUTN 9.9.3.2


LV

M=7

17 36

8.2.8 Authentication response IEI Information Element Protocol discriminator Security header type

Type/Reference Protocol discriminator 9.2 Security header type 9.3.1


V

1/2

M

V

1/2

Authentication response message type

Message type 9.8

M

V

1

Authentication response parameter

Authentication response parameter 9.9.3.4

M

LV

5-17

Nb IEI = 4

M=4

7-19

8.2.9 CS service notification IEI Information Element Protocol discriminator

Security header type

Type/Reference Protocol discriminator 9.2 Security header type


V

1/2

M

V

1/2

















IEI Information Element

Type/Reference

Nb IEI = 8

Presence Format Length 3,13M = 4, O = 4 278

8.2.10.1 Detach accept (UE originating detach) IEI Information Element Protocol discriminator

Security header type Detach accept message identity Nb IEI = 3



V

1/2

M

V

1/2

M

V

1

M=3

2

8.2.10.2 Detach accept (UE terminated detach) IEI Information Element Protocol discriminator

Security header type Detach accept message identity Nb IEI = 3



V

1/2

M

V

1/2

M

V

1

M=3

2

















IEI Information Element Detach type NAS key set identifier EPS mobile identity

Type/Reference Detach type 9.9.3.7 NAS key set identifier 9.9.3.21 EPS mobile identity 9.9.3.12

Nb IEI = 6


V

1/2

M

V

1/2

M

LV

5-12

M=6

8-15

8.2.11.2 Detach request (UE terminated detach) IEI Information Element Protocol discriminator

Security header type Detach request message identity Detach type Spare half octet 53 EMM cause Nb IEI = 6

Type/Reference Protocol discriminator 9.2 Security header type 9.3.1 Message type 9.8 Detach type 9.9.3.7 Spare half octet 9.9.2.9 EMM cause 9.9.3.9


V

1/2

M

V

1/2

M

V

1

M

V

1/2

M

V

1/2

O

TV

2

M = 5, O = 1

3,5-5



















IEI Information Element NAS message container

Type/Reference NAS message container 9.9.3.22

Nb IEI = 4


LV

M=4

3-252 5-254

8.2.13 EMM information IEI Information Element Protocol discriminator

Security header type EMM information message identity 43 Full name for network 45 Short name for network

Type/Reference Protocol discriminator 9.2 Security header type 9.3.1 Message type 9.8 Network name 9.9.3.24 Network name 9.9.3.24


V

1/2

M

V

1/2

M

V

1

O

TLV

3-n

O

TLV

3-n

















IEI Information Element EMM cause

Type/Reference EMM cause 9.9.3.9

Nb IEI = 4


V

M=4

1 3

8.2.15 Extended service request IEI Information Element Protocol discriminator

Security header type Extended service request message identity Service type NAS key set identifier

Type/Reference Protocol discriminator 9.2 Security header type 9.3.1 Message type 9.8 Service type 9.9.3.27 NAS key set identifier


V

1/2

M

V

1/2

M

V

1

M

V

1/2

M

V

1/2

















IEI Information Element GUTI reallocation command message identity GUTI 54 TAI list

Type/Reference

Presence Format Length

Message type 9.8

M

EPS mobile identity M 9.9.3.12 Tracking area identity list O 9.9.3.33

Nb IEI = 5

V

1

LV

12

TLV

8-98 14,22112

M = 4, O = 1

8.2.17 GUTI reallocation complete IEI Information Element Protocol discriminator

Security header type

Type/Reference Protocol discriminator 9.2 Security header type 9.3.1


V

1/2

M

V

1/2

















8.2.19 Identity response IEI Information Element Protocol discriminator Security header type Identity response message Mobile identity

Type/Reference Protocol discriminator 9.2 Security header type 9.3.1 Message type 9.8 Mobile identity 9.9.2.3

Nb IEI = 4


V

1/2

M

V

1/2

M

V

1

M

LV

4-10

M=4

6-12

8.2.20 Security mode command IEI Information Element Protocol discriminator

Type/Reference Protocol discriminator


V

1/2


















Type/Reference


Type/Reference Protocol discriminator 9.2 Security header type 9.3.1 Message type 9.8 Mobile identity 9.9.2.3


Nb IEI = 10

8.2.21 Security mode complete IEI Information Element Protocol discriminator

Security header type Security mode complete message identity 23 IMEISV Nb IEI = 4

M

V

1/2

M

V

1/2

M

V

1

O

TLV

11

M = 3, O = 1

2,1313



















IEI Information Element Security header type Message authentication code Sequence number NAS message Nb IEI = 5

Type/Reference Security header type 9.3.1 Message authentication code 9.5 Sequence number 9.6 NAS message 9.7


V

1/2

M

V

4

M

V

1

M

V

1-n

M=5

7-n

















IEI Information Element KSI and sequence number Message authentication code (short) Nb IEI = 4

Type/Reference KSI and sequence number 9.9.3.19 Short MAC 9.9.3.28


V

1

M

V

2

M=4

4

8.2.26 Tracking area update accept IEI Information Element

Type/Reference Protocol


















IEI Information Element 59 T3423 value 4A Equivalent PLMNs 34 Emergency number list

64

EPS network feature support

F-

Additional update result

Type/Reference GPRS timer 9.9.3.16 PLMN list 9.9.2.8 Emergency number list 9.9.3.37 EPS network feature support 9.9.3.12A Additional update result 9.9.3.0A


TV

2

O

TLV

5-47

O

TLV

5-50

O

TLV

3

O

TV

1

















IEI Information Element EMM cause 5F T3346 value

Type/Reference EMM cause 9.9.3.9 GPRS timer 2 9.9.3.16A

Nb IEI = 5


V

1

O

TLV

3

M = 4, O = 1

3,6-6

8.2.29 Tracking area update request IEI Information Element Protocol discriminator

Type/Reference Protocol discriminator 9.2


V

1/2


















57

EPS bearer context status

31

MS network capability

13

Old location area identification

9-

TMSI status

Type/Reference needed 9.9.3.35 EPS bearer context status 9.9.2.1 MS network capability 9.9.3.20 Location area identification 9.9.2.2 TMSI status 9.9.3.31 Mobile station


O

TLV

4

O

TLV

4-10

O

TV

6

O

TV

1



















IEI Information Element Protocol discriminator

Type/Reference Protocol discriminator 9.2 Security header


V

1/2

















IEI Information Element Security header type Uplink generic NAS transport message

Type/Reference Security header type 9.3.1 Message type


V

1/2

M

V

1

















IEI Information Element Protocol discriminator

Type/Reference Protocol discriminator 9.2 EPS bearer identity


V

1/2

















IEI Information Element TFT

Type/Reference Traffic flow template 9.9.4.16 Transaction


LV

2-256

















IEI Information Element Nb IEI = 5

Type/Reference












































































































































LTE NAS description.docx

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