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IMSI is the prime key to the data stored in the HSS.
3GPP TS 23.401 V8.7.0 (2009-09)
5.2.1.1 Data
Field
Description
IMSI
IMSI is the main reference key.
IMEI / IMEISV
International Mobile Equipment Identity - Software Version Number
MME Address
The IP address of the MME currently serving this MS.
MS PS Purged from EPS
Indicates that the EMM and ESM contexts of the UE are deleted from the MME.
ODB parameters
Indicates that the status of the operator determined barring
URRP-MME
UE Reachability Request Parameter indicating that UE activity notification from
5.2.1.2 Each subscription profile contains one or more PDN subscription contexts:
Field
Description
Context Identifier
Index of the PDN subscription context.
PDN Address
Indicates subscribed IP address(es).
PDN Type
Indicates the subscribed PDN Type (IPv4, IPv6, IPv4v6)
Access Point Name (APN)
A label according to DNS naming conventions
EPS subscribed QoS profile
The bearer level QoS parameter values for that APN’s default bearer
Subscribed-APN-AMBR
The maximum aggregated uplink and downlink MBRs
PDN GW identity
The identity of the PDN GW used for this APN.
5.3 S-Gw Serving Gataway
5.3.1 Information storage
5.3.1.1 S-GW EPS bearer context
Field
Description
IMSI
IMSI (International Mobile Subscriber Identity) is the subscriber permanent identity.
MSISDN
The basic MSISDN of the UE. The presence is dictated by its storage in the HSS.
MME TEID for S11
MME Tunnel Endpoint Identifier for the S11 interface
MME IP address for S11
MME IP address the S11 interface.
S-GW TEID for S11/S4
(control plane) S-GW Tunnel Endpoint Identifier for the S11 Interface and the S4 Interface.
S-GW IP address for S11/S4
(control plane) S-GW IP address for the S11 interface and the S4 Interface.
Last known Cell Id
This is the last location of the UE known by the network
Last known Cell Id age
This is the age of the above UE location information
5.3.1.2 For each PDN Connection:
Field
Description
APN in Use
The APN currently used. APN Network Identifier and the APN Operator Identifier.
P-GW Address in Use
(control plane) The IP address of the P-GW currently used for sending control plane signalling.
P-GW TEID for S5/S8
(control plane) P-GW Tunnel Endpoint Identifier for the S5/S8 interface for the control plane.
P-GW Address in Use
(user plane) The IP address of the P-GW currently used for sending user plane traffic.
S-GW IP address for S5/S8
(control plane) S-GW IP address for the S5/S8 for the control plane signalling.
S-GW TEID for S5/S8
(control plane) S-GW Tunnel Endpoint Identifier for the S5/S8 control plane interface.
S-GW Address in Use
(user plane) The IP address of the S-GW currently used for sending user plane traffic.
Default Bearer
Identifies the default bearer within the PDN connection by its EPS Bearer Id.
5.3.1.3 For each EPS Bearer within the PDN Connection:
The following entries defining the EPS Bearer specific parameters are included within the set of parameters defining the PDN Connection.
Field
Description
EPS Bearer Id
An EPS bearer identity uniquely identifies an EPS bearer for one UE accessing via E-UTRAN
TFT
Traffic Flow Template
P-GW Address in Use
(user plane) The IP address of the P-GW currently used for sending user plane traffic.
P-GW TEID for S5/S8
(user plane) P-GW Tunnel Endpoint Identifier for the S5/S8 interface for the user plane.
S-GW IP address for S5/S8
(user plane) S-GW IP address for user plane data received from PDN GW.
S-GW TEID for S5/S8
(user plane) S-GW Tunnel Endpoint Identifier for the S5/S8 interface for the user plane.
S-GW IP address for S1-u, S12 and S4
(user plane) S-GW IP address for the S1-u interface (Used by the eNodeB)
S-GW TEID for S1-u, S12 and S4
(user plane) S-GW Tunnel Endpoint Identifier for the S1-u interface
eNodeB IP address for S1-u
eNodeB IP address for the S1-u interface (Used by the S-GW).
eNodeB TEID for S1-u
eNodeB Tunnel Endpoint Identifier for the S1-u interface.
EPS Bearer QoS
ARP, GBR, MBR, QCI.
5.4 P-GW PDN Gateaway
5.4.1 Information storage
5.4.1.1 P-GW context
Field
Description
IMSI
IMSI (International Mobile Subscriber Identity) is the subscriber permanent identity.
MSISDN
The basic MSISDN of the UE. The presence is dictated by its storage in the HSS.
RAT type
Current RAT
5.4.1.2 For each APN in use:
The following entries are repeated for each APN.
Field
Description
APN in use
The APN currently used.
APN-AMBR
The maximum aggregated uplink and downlink MBR values
5.4.1.3 For each PDN Connection within the APN:
Field
Description
IP Address(es)
IPv4 address and/or IPv6 prefix
PDN type
IPv4, IPv6, or IPv4v6
S-GW Address in Use
(control plane) The IP address of the S-GW currently used for sending control plane signalling.
S-GW TEID for S5/S8
(control plane) S-GW Tunnel Endpoint Identifier for the S5/S8 interface for the control plane.
P-GW IP address for S5/S8
(control plane) P-GW IP address for the S5/S8 for the control plane signalling.
P-GW TEID for S5/S8 (control plane)
P-GW Tunnel Endpoint Identifier for the S5/S8 control plane interface. (For GTP-based S5/S8 only).
BCM
The negotiated Bearer Control Mode for GERAN/UTRAN.
Default Bearer
Identifies the default bearer within the PDN connection by its EPS Bearer Id.
5.4.1.4 For each EPS Bearer within the PDN Connection:
The following entries defining the EPS Bearer specific parameters are included within the set of parameters
defining the PDN Connection.
The following entries are stored only for GTP-based S5/S8.
Field
Description
EPS Bearer Id
An EPS bearer identity uniquely identifies an EPS bearer for one UE accessing via E-UTRAN
TFT
Traffic Flow Template
S-GW Address in Use
(user plane) The IP address of the S-GW currently used for sending user plane traffic.
S-GW TEID for S5/S8
(user plane) S-GW Tunnel Endpoint Identifier for the S5/S8 interface for the user plane.
P-GW IP address for S5/S8
(user plane) P-GW IP address for user plane data received from PDN GW.
P-GW TEID for S5/S8
(user plane) P-GW Tunnel Endpoint Identifier for the GTP Based S5/S8 interface for user plane.
EPS Bearer QoS
ARP, GBR, MBR, QCI.
5.5 UE
5.5.1 Information storage
5.5.1.1 UE context
Field
Description
IMSI
IMSI (International Mobile Subscriber Identity) is the subscribers permanent identity.
EMM State
Mobility management state EMM-REGISTERED, EMM-DEREGISTERED.
GUTI
Globally Unique Temporary Identity.
ME Identity
Mobile Equipment Identity - (e.g. IMEI/IMEISV) Software Version Number.
Tracking Area List
Current Tracking area list.
Last visited TAI
A TAI which is contained in the TA list the UE registered to the network
Selected NAS Algorithm
Selected NAS security algorithm.
Selected AS Algorithm
Selected AS security algorithms.
KSI_ASME
Key Set Identifier for the main key KASME.
K_ASME
Main key for E-UTRAN key hierarchy based on CK, IK and Serving network identity.
NAS Keys and COUNT
KNASint, KNASenc, and NAS COUNT parameter.
E-UTRAN/UTRAN Key Set flag
Indicates whether the UE is using security keys derived from UTRAN or E-UTRAN security association
Temporary Identity
Used in Next update (TIN) in the Attach Request and RAU/TAU Request
UE Specific DRX Parameters
Preferred E-UTRAN DRX cycle length
5.5.1.2 For each active PDN connection:
Field
Description
APN in Use
The APN currently used. This APN shall be composed of the APN Network Identifier
APN-AMBR
The maximum aggregated uplink and downlink MBR to be shared across all NonGBR bearers.
Assigned PDN Type
The PDN Type assigned by the network (IPv4, IPv6, or IPv4v6).
IP Address(es)
IPv4 address and/or IPv6 prefix
Default Bearer
Identifies the default bearer within the PDN connection by its EPS Bearer Id.
5.5.1.3 For each EPS Bearer within the PDN connection
Field
Description
EPS Bearer ID
An EPS bearer identity uniquely identifies an EPS bearer for one UE accessing via E-UTRAN.