5.7 Information storage
23.4013GPPGeneral Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) accessRelease 18TS
This clause describes information storage structures required for the EPS when 3GPP access only is deployed. Information storage for the case where non 3GPP accesses are deployed is in TS 23.402 [2].
5.7.1 HSS
IMSI is the prime key to the data stored in the HSS. The data held in the HSS is defined in Table 5.7.1-1 here below.
The table below is applicable to E‑UTRAN in stand-alone operation only.
Table 5.7.1-1: HSS data
|
Field |
Description |
|---|---|
|
IMSI |
IMSI is the main reference key. |
|
MSISDN |
The basic MSISDN of the UE (Presence of MSISDN is optional). |
|
IMEI / IMEISV |
International Mobile Equipment Identity – Software Version Number |
|
External Identifier List |
External Identifier(s) used in the external network(s) to refer to the subscription. See TS 23.682 [74] for more information. |
|
MME Identity |
The Identity of the MME currently serving this UE. |
|
MME Capabilities |
Indicates the capabilities of the MME with respect to core functionality e.g. regional access restrictions. |
|
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 |
|
Access Restriction |
Indicates the access restriction subscription information. It may include different values for HPLMN and roaming case. It includes separate settings for WB-E-UTRAN and NB-IoT. It includes restriction information on the use of NR as a secondary RAT for user plane connectivity, the use of Unlicensed Spectrum (in the form of LAA, or LWA/LWIP, or NR-U). |
|
EPS Subscribed Charging Characteristics |
The charging characteristics for the UE, e.g. normal, prepaid, flat-rate, and/or hot billing subscription. |
|
Trace Reference |
Identifies a record or a collection of records for a particular trace. |
|
Trace Type |
Indicates the type of trace, e.g. HSS trace, and/or MME/ Serving GW / PDN GW trace. |
|
OMC Identity |
Identifies the OMC that shall receive the trace record(s). |
|
Subscribed-UE-AMBR |
The Maximum Aggregated uplink and downlink MBRs to be shared across all Non-GBR bearers according to the subscription of the user. |
|
APN-OI Replacement |
Indicates the domain name to replace the APN OI when constructing the PDN GW FQDN upon which to perform a DNS resolution. This replacement applies for all the APNs in the subscriber’s profile. See TS 23.003 [9] clause 9.1.2 for more information on the format of domain names that are allowed in this field. |
|
RFSP Index |
An index to specific RRM configuration in the E-UTRAN |
|
Additional RRM Policy Index |
An index to additional RRM configuration in the E-UTRAN |
|
URRP-MME |
UE Reachability Request Parameter indicating that UE activity notification from MME has been requested by the HSS. |
|
CSG Subscription Data |
The CSG Subscription Data is a list of CSG IDs per PLMN and for each CSG ID optionally an associated expiration date which indicates the point in time when the subscription to the CSG ID expires; an absent expiration date indicates unlimited subscription. For a CSG ID that can be used to access specific PDNs via Local IP Access, the CSG ID entry includes the corresponding APN(s). |
|
VPLMN LIPA Allowed |
Specifies per PLMN whether the UE is allowed to use LIPA. |
|
IAB-Operation Allowed |
Indicates that the subscriber is allowed for IAB-operation |
|
EPLMN list |
Indicates the Equivalent PLMN list for the UE’s registered PLMN. |
|
Subscribed Periodic RAU/TAU Timer |
Indicates a subscribed Periodic RAU/TAU Timer value |
|
Extended idle mode DRX cycle length |
Indicates a subscribed extended idle mode DRX cycle length value. |
|
RAT specific Subscribed Paging Time Window |
Indicates a Subscribed Paging Time Window value for the associated RAT, NB-IoT, WB-E-UTRAN or both. |
|
MPS CS priority |
Indicates that the UE is subscribed to the eMLPP or 1x RTT priority service in the CS domain. |
|
UE-SRVCC- Capability |
Indicates whether the UE is UTRAN/GERAN SRVCC capable or not. |
|
MPS EPS priority |
Indicates that the UE is subscribed to MPS in the EPS domain. |
|
UE Usage Type |
Indicates the usage characteristics of the UE for use with Dedicated Core Networks (see clause 4.3.25). |
|
Group ID-list |
List of the subscribed group(s) that the UE belongs to |
|
Communication Patterns |
Indicates per UE the Communication Patterns and their corresponding validity times as specified in TS 23.682 [74].The Communication Patterns are not provided to the SGSN. |
|
Monitoring Event Information Data |
Describes the monitoring event configuration information. See TS 23.682 [74] for more information. |
|
PDN Connection Restriction |
Indicates whether the establishment of the PDN connection is restricted for the UE. |
|
Enhanced Coverage Restricted |
Specify PLMN(s) with Enhanced Coverage restrictions. |
|
Acknowledgements of downlink NAS data PDUs |
Indicates whether acknowledgement of downlink NAS data PDUs for Control Plane CIoT EPS Optimisation is disabled for this UE (enabled by default). |
|
Service Gap Time |
Used to set the Service Gap timer for Service Gap Control (see clause 4.3.17.9). |
|
Each subscription profile contains one or more PDN subscription contexts: |
|
|
Context Identifier |
Index of the PDN subscription context (Note 8). |
|
PDN Address |
Indicates subscribed IP address(es). |
|
PDN Type |
Indicates the subscribed PDN Type (IPv4, IPv6, IPv4v6, Non-IP, Ethernet) |
|
APN-OI Replacement |
APN level APN-OI Replacement which has same role as UE level APN-OI Replacement but with higher priority than UE level APN-OI Replacement. This is an optional parameter. When available, it shall be used to construct the PDN GW FQDN instead of UE level APN-OI Replacement. |
|
Access Point Name (APN) |
A label according to DNS naming conventions describing the access point to the packet data network (or a wildcard) (NOTE 6). |
|
Invoke SCEF Selection |
Indicates whether this APN is used for establishing PDN connection to the SCEF |
|
SCEF ID |
Indicates the FQDN or IP address of the SCEF which is to be selected for this APN. It is required if "Invoke SCEF Selection" indicator is set. |
|
SIPTO permissions |
Indicates whether the traffic associated with this APN is prohibited for SIPTO, allowed for SIPTO excluding SIPTO at the local network, allowed for SIPTO including SIPTO at the local network or allowed for SIPTO at the local network only (NOTE 7). |
|
LIPA permissions |
Indicates whether the PDN can be accessed via Local IP Access. Possible values are: LIPA-prohibited, LIPA-only and LIPA-conditional. |
|
WLAN offloadability |
Indicates whether the traffic associated with this APN is allowed to be offloaded to WLAN using the WLAN/3GPP Radio Interworking feature or if it shall be kept on 3GPP access (see clause 4.3.23). The indication may contain separate values per RAT (E-UTRA and UTRA). |
|
EPS subscribed QoS profile |
The bearer level QoS parameter values for that APN’s default bearer (QCI and ARP) (see clause 4.7.3). |
|
Subscribed-APN-AMBR |
The maximum aggregated uplink and downlink MBRs to be shared across all Non-GBR bearers, which are established for this APN. |
|
EPS PDN Subscribed Charging Characteristics |
The charging characteristics of this PDN Subscribed context for the UE, e.g. normal, prepaid, flat-rate, and/or hot billing subscription. The charging characteristics is associated with this APN. |
|
VPLMN Address Allowed |
Specifies per VPLMN whether for this APN the UE is allowed to use the PDN GW in the domain of the HPLMN only, or additionally the PDN GW in the domain of the VPLMN. |
|
PDN GW identity |
The identity of the PDN GW used for this APN. The PDN GW identity may be either an FQDN or an IP address. The PDN GW identity refers to a specific PDN GW. |
|
PDN GW Allocation Type |
Indicates whether the PDN GW is statically allocated or dynamically selected by other nodes. A statically allocated PDN GW is not changed during PDN GW selection. |
|
PDN continuity at inter RAT mobility |
Provides for this APN how to handle a PDN connection when UE the moves between "broadband" (WB-E-UTRAN and UTRAN) and "narrowband" (NB-IoT, GPRS, EC-GSM-IoT). Possible values are: maintain the PDN connection; disconnect the PDN connection with a reactivation request; disconnect PDN connection without reactivation request; or to leave it to local VPLMN policy. |
|
PLMN of PDN GW |
Identifies the PLMN in which the dynamically selected PDN GW is located. |
|
Homogenous Support of IMS Voice over PS Sessions for MME |
Indicates per UE and MME if "IMS Voice over PS Sessions" is homogeneously supported in all TAs in the serving MME or homogeneously not supported, or, support is non-homogeneous/unknown, see clause 4.3.5.8A. |
|
List of APN ‑ PDN GW ID relations (for PDN subscription context with wildcard APN): |
|
|
APN – P‑GW relation #n |
The APN and the identity of the dynamically allocated PDN GW of a PDN connection that is authorised by the PDN subscription context with the wildcard APN. The PDN GW identity may be either an FQDN or an IP address. The PDN GW identity refers to a specific PDN GW. |
NOTE 1: IMEI and SVN are stored in HSS when the Automatic Device Detection feature is supported, see clause 15.5 of TS 23.060 [7].
NOTE 2: The ‘EPS subscribed QoS profile’ stored in HSS is complementary to the legacy ‘GPRS subscribed QoS profile’.
NOTE 3: Void.
NOTE 4: How to indicate which of the PDN subscription contexts stored in the HSS is the default one for the UE is defined in stage 3.
NOTE 5: To help with the selection of a co-located or topologically appropriate PDN GW and Serving GW, the PDN GW identity shall be in the form of an FQDN.
NOTE 6: The "Access Point Name (APN)" field in the table above contains the APN-NI part of the APN.
NOTE 7: In this specification, the values "prohibited for SIPTO" and " allowed for SIPTO excluding SIPTO at the local network" correspond to the pre Rel‑12 values "prohibited for SIPTO" and "allowed for SIPTO". Actual coding of these values belongs to Stage 3 domain.
NOTE 8: There may be at most three default APNs for a given user. One default APN can belong to either of the three PDN types of "IPv4", "IPv6", or "IPv4v6", one default APN can belong to PDN type of "Non-IP" and another default APN can belong to PDN type of "Ethernet".
An expired CSG subscription should not be removed from the HSS subscription data before it is removed from the UE’s Allowed CSG list or Operator CSG list. When a CSG subscription is cancelled it should be handled as an expired subscription in HSS subscription data to allow for removing it from UE’s Allowed CSG list or Operator CSG list first.
One (and only one) of the PDN subscription contexts stored in the HSS may contain a wild card APN (see TS 23.003 [9]) in the Access Point Name field.
The PDN subscription context marked as the default one shall not contain a wild card APN.
The PDN subscription context with a wildcard APN shall not contain a statically allocated PDN GW.
If the LIPA permission and SIPTO permission flags are both included for a particular APN, they shall be set in a consistent manner, e.g. if the LIPA permission is set to LIPA-only or LIPA-conditional, the SIPTO permission shall be set to SIPTO-prohibited. Conversely, if the SIPTO permission indicates the APN is a SIPTO-allowed APN, the LIPA permission shall be set to LIPA-prohibited. A SIPTO-allowed APN is an APN for which the SIPTO permission is set to allowed for SIPTO excluding SIPTO at the local network, allowed for SIPTO including SIPTO at the local network or allowed for SIPTO at the local network only.
5.7.2 MME
The MME maintains MM context and EPS bearer context information for UEs in the ECM-IDLE, ECM‑CONNECTED and EMM-DEREGISTERED states. Table 5.7.2-1 shows the context fields for one UE.
Table 5.7.2-1: MME MM and EPS bearer Contexts
|
Field |
Description |
|---|---|
|
IMSI |
IMSI (International Mobile Subscriber Identity) is the subscriber’s permanent identity. |
|
IMSI-unauthenticated-indicator |
This is an IMSI indicator to show the IMSI is unauthenticated. |
|
Alternative IMSI |
The Alternative IMSI is derived from the Accepted IMSI Offset used for Paging Timing Collision Control. |
|
RLOS-indicator |
This is indication to show that the UE is RLOS attached. |
|
MSISDN |
The basic MSISDN of the UE. The presence is dictated by its storage in the HSS. |
|
MM State |
Mobility management state ECM-IDLE, ECM-CONNECTED, 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 |
|
TAI of last TAU |
TAI of the TA in which the last Tracking Area Update was initiated. |
|
E-UTRAN Cell Global Identity |
Last known E-UTRAN cell |
|
E-UTRAN Cell Identity Age |
Time elapsed since the last E-UTRAN Cell Global Identity was acquired |
|
PS Cell Global Identity |
Last known Primary Cell of Secondary Cell Group |
|
PS Cell Age |
Time elapsed since the last Primary Cell of Secondary Cell Group Identity was acquired |
|
CSG ID |
Last known CSG ID when the UE was active |
|
CSG membership |
Last known CSG membership of the UE when the UE was active |
|
Access mode |
Access mode of last known ECGI when the UE was active |
|
Authentication Vector |
Temporary authentication and key agreement data that enables an MME to engage in AKA with a particular user. An EPS Authentication Vector consists of four elements: a) network challenge RAND, b) an expected response XRES, c) Key KASME, d) a network authentication token AUTN. |
|
UE Radio Access Capability |
UE radio access capabilities including WB-E-UTRAN capabilities but not NB-IoT capabilities. |
|
UE Radio Capability ID |
If RACS is supported, uniquely identifies a set of UE radio access capabilities |
|
LTE-M Indication |
Indicates the UE is a LTE-M UE and the UE Radio Access Capability includes LTE Cat- M1 or LTE Cat-M1 and LTE Cat-M2. This is based on indication from the E-UTRAN provides. |
|
NB-IoT specific UE Radio Access Capability |
NB-IoT specific UE radio access capabilities. |
|
MS Classmark 2 |
GERAN/UTRAN CS domain core network classmark (used if the MS supports SRVCC to GERAN or UTRAN). |
|
MS Classmark 3 |
GERAN CS domain radio network classmark (used if the MS supports SRVCC to GERAN). |
|
Supported Codecs |
List of codecs supported in the CS domain (used if the MS supports SRVCC to GERAN or UTRAN). |
|
UE Network Capability |
UE network capabilities including security algorithms and other capabilities. |
|
MS Network Capability |
For a GERAN and/or UTRAN capable UE, this contains information needed by the SGSN. |
|
UE Specific DRX Parameters |
UE specific DRX parameters for A/Gb mode, Iu mode and WB-E-UTRAN S1‑mode. |
|
UE Specific DRX Parameter for NB-IoT |
UE Specific DRX Parameter for NB-IoT S1-mode. |
|
Active Time value for PSM |
UE specific Active Time value allocated by MME for power saving mode handling. |
|
Extended idle mode DRX parameters |
Negotiated extended idle mode DRX parameters for S1-mode. |
|
RAT specific Subscribed Paging Time Window |
Indicates a Subscribed Paging Time Window value for the associated RAT, NB-IoT, WB-E-UTRAN or both. |
|
Selected NAS Algorithm |
Selected NAS security algorithm |
|
eKSI |
Key Set Identifier for the main key KASME. Also indicates whether the UE is using security keys derived from UTRAN or E-UTRAN security association. |
|
KASME |
Main key for E-UTRAN key hierarchy based on CK, IK and Serving network identity |
|
NAS Keys and COUNT |
KNASint, K_NASenc, and NAS COUNT parameter. |
|
Selected CN operator id |
Selected core network operator identity (to support network sharing as defined in TS 23.251 [24]). |
|
Recovery |
Indicates if the HSS is performing database recovery. |
|
Access Restriction |
The access restriction subscription information. For this purpose, WB-E-UTRAN and NB-IoT are separate RATs. In addition, it includes restriction information on the use of NR as secondary RAT for user plane connectivity, the use of Unlicensed Spectrum (in the form of LAA, or LWA/LWIP, or NR-U). |
|
Communication Patterns |
Indicates per UE the Communication Patterns and their corresponding validity times as specified in TS 23.682 [74]. The Communication Patterns are not provided to the SGSN. |
|
ODB for PS parameters |
Indicates that the status of the operator determined barring for packet oriented services. |
|
APN-OI Replacement |
Indicates the domain name to replace the APN-OI when constructing the PDN GW FQDN upon which to perform a DNS resolution. This replacement applies for all the APNs in the subscriber’s profile. See TS 23.003 [9] clause 9.1.2 for more information on the format of domain names that are allowed in this field. |
|
MME IP address for S11 |
MME IP address for the S11 interface (used by S‑GW) |
|
MME TEID for S11 |
MME Tunnel Endpoint Identifier for S11 interface. |
|
S‑GW IP address for S11/S4 |
S‑GW IP address for the S11 and S4 interfaces |
|
S‑GW TEID for S11/S4 |
S‑GW Tunnel Endpoint Identifier for the S11 and S4 interfaces. |
|
SGSN IP address for S3 |
SGSN IP address for the S3 interface (used if ISR is activated for the GERAN and /or UTRAN capable UE) |
|
SGSN TEID for S3 |
SGSN Tunnel Endpoint Identifier for S3 interface (used if ISR is activated for the E-UTRAN capable UE) |
|
eNodeB Address in Use for S1-MME |
The IP address of the eNodeB currently used for S1-MME. |
|
eNodeB UE S1AP ID |
Unique identity of the UE within eNodeB. |
|
MME UE S1AP ID |
Unique identity of the UE within MME. |
|
Subscribed UE-AMBR |
The Maximum Aggregated uplink and downlink MBR values to be shared across all Non-GBR bearers according to the subscription of the user. |
|
UE-AMBR |
The currently used Maximum Aggregated uplink and downlink MBR values to be shared across all Non-GBR bearers. |
|
EPS Subscribed Charging Characteristics |
The charging characteristics for the UE e.g. normal, prepaid, flat rate and/or hot billing. |
|
Subscribed RFSP Index |
An index to specific RRM configuration in the E-UTRAN that is received from the HSS. |
|
Subscribed Additional RRM Policy Index |
An index to additional RRM configuration in the E-UTRAN that is received from the HSS |
|
RFSP Index in Use |
An index to specific RRM configuration in the E-UTRAN that is currently in use. |
|
Additional RRM Policy Index in Use |
An index to additional RRM configuration in the E-UTRAN that is currently in use |
|
Trace reference |
Identifies a record or a collection of records for a particular trace. |
|
Trace type |
Indicates the type of trace |
|
Trigger id |
Identifies the entity that initiated the trace |
|
OMC identity |
Identifies the OMC that shall receive the trace record(s). |
|
URRP-MME |
URRP-MME indicating that the HSS has requested the MME to notify the HSS regarding UE reachability at the MME |
|
DL Data Buffer Expiration Time |
When extended buffering of DL data has been invoked for UEs that uses power saving functions e.g. PSM, this time is when the buffer will expire in the Serving GW. |
|
Suggested number of buffered downlink packets |
Suggested number of buffered downlink packets at extended buffering. This is an optional parameter. |
|
CSG Subscription Data |
The CSG Subscription Data is associated lists of CSG IDs for the visiting PLMN and the equivalent PLMNs to the visiting PLMN, and for each CSG ID optionally an associated expiration date which indicates the point in time when the subscription to the CSG ID expires; an absent expiration date indicates unlimited subscription. For a CSG ID that can be used to access specific PDNs via Local IP Access, the CSG ID entry includes the corresponding APN(s). |
|
LIPA Allowed |
Specifies whether the UE is allowed to use LIPA in this PLMN. |
|
IAB-Operation Allowed |
Indicates that the subscriber is allowed for IAB-operation. |
|
Subscribed Periodic RAU/TAU Timer |
Indicates a subscribed Periodic RAU/TAU Timer value. |
|
MPS CS priority |
Indicates that the UE is subscribed to the eMLPP or 1x RTT priority service in the CS domain. |
|
MPS EPS priority |
Indicates that the UE is subscribed to MPS in the EPS domain. |
|
Voice Support Match Indicator |
An indication whether the UE radio capabilities are compatible with the network configuration (e.g. whether the SRVCC and frequency support by the UE matches those that the network relies upon for voice coverage). The MME uses it as an input for setting the IMS voice over PS Session Supported Indication. |
|
Homogenous Support of IMS Voice over PS Sessions |
Indicates per UE if "IMS Voice over PS Sessions" is homogeneously supported in all TAs in the serving MME or homogeneously not supported, or, support is non-homogeneous/unknown, see clause 4.3.5.8A. |
|
UE Radio Capability for Paging Information – WB-E-UTRAN |
Information used by the eNodeB to determine the timing of paging events and/or enhance the paging towards the UE (see clause 5.11.4). The UE Radio Capability for Paging Information is defined in TS 36.413 [36]. |
|
UE Radio Capability for Paging Information – NB-IoT |
Information used by the eNodeB to determine the timing of paging events and/or enhance the paging towards the UE (see clause 5.11.4). The UE Radio Capability for Paging Information is defined in TS 36.413 [36]. |
|
Information On Recommended Cells And eNodeBs For Paging |
Information sent by the eNodeB, and used by the MME when paging the UE to help determining the eNodeBs to be paged as well as to provide the information on recommended cells to each of these eNodeBs, in order to optimise the probability of successful paging while minimizing the signalling load on the radio path. |
|
Paging Attempt Count |
Information provided by the MME and used by the eNodeB to optimise signalling load and the use of network resources to successfully page a UE. |
|
Information for Enhanced Coverage |
Information for Enhanced Coverage level and cell ID provided by the last eNodeB the UE was connected to. |
|
CE mode B Support Indicator |
Indicates whether CE mode B is supported by the UE. The MME receives this from eNodeB (see TS 36.413 [36]). |
|
Enhanced Coverage Restricted |
Specifies whether the UE is restricted to use enhanced coverage feature or not. |
|
CE mode B Restricted |
Specifies whether the UE is restricted to use CE mode B (i.e. Coverage Extension mode B) or not. |
|
UE Usage Type |
Indicates the usage characteristics of the UE for use with Dedicated Core Networks (see clause 4.3.25). |
|
Group ID-list |
List of the subscribed group(s) that the UE belongs to |
|
Monitoring Event Information Data |
Describes the monitoring event configuration information. See TS 23.682 [74] for more information. |
|
Delay Tolerant Connection |
Indicates that the PDN connection is delay tolerant such that the PDN GW supports holding the procedure, after receiving a reject with a cause indicating that UE is temporarily not reachable due to power saving, until the PDN GW receives a message indicating that the UE is available for end to end signalling |
|
PDN Connection Restriction |
Indicates whether the establishment of the PDN connection is restricted for the UE. |
|
Acknowledgements of downlink NAS data PDUs |
Indicates whether acknowledgement of downlink NAS data PDUs for Control Plane CIoT EPS Optimisation is disabled for this UE (enabled by default). |
|
Service Gap Time |
Used to set the Service Gap timer for Service Gap Control (see clause 4.3.17.9). |
|
List of APN Rate Control Statuses |
Indicates for each APN, the APN Rate Control Status (see clause 4.7.7.3). |
|
WUS Assistance Information |
Assistance information for determining the WUS group (see TS 36.300 [5]). |
|
For each active PDN connection: |
|
|
APN in Use |
The APN currently used. This APN shall be composed of the APN Network Identifier and the default APN Operator Identifier, as specified in TS 23.003 [9], clause 9.1.2. Any received value in the APN OI Replacement field is not applied here. |
|
APN Restriction |
Denotes the restriction on the combination of types of APN for the APN associated with this EPS bearer Context. |
|
APN Subscribed |
The subscribed APN received from the HSS. |
|
PDN Type |
IPv4, IPv6, IPv4v6, Non-IP or Ethernet. |
|
SCEF ID |
The IP address of the SCEF currently being used for providing PDN connection to the SCEF. |
|
IP Address(es) |
IPv4 address and/or IPv6 prefix NOTE: The MME might not have information on the allocated IPv4 address. Alternatively, following mobility involving a pre-release 8 SGSN, this IPv4 address might not be the one allocated to the UE. |
|
Header Compression Configuration |
ROHC configuration and context(s) for IP header compression for Control Plane CIoT EPS Optimisation. |
|
EPS PDN Charging Characteristics |
The charging characteristics of this PDN connection, e.g. normal, prepaid, flat-rate and/or hot billing. |
|
APN-OI Replacement |
APN level APN-OI Replacement which has same role as UE level APN-OI Replacement but with higher priority than UE level APN-OI Replacement. This is an optional parameter. When available, it shall be used to construct the PDN GW FQDN instead of UE level APN-OI Replacement. |
|
SIPTO permissions |
Indicates whether the traffic associated with this APN is prohibited for SIPTO, allowed for SIPTO excluding SIPTO at the local network, allowed for SIPTO including SIPTO at the local network or allowed for SIPTO at the local network only. |
|
Local Home Network ID |
If SIPTO@LN is enabled for this PDN connection it indicates the identity of the Local Home Network to which the (H)eNB belongs. |
|
LIPA permissions |
Indicates whether the PDN can be accessed via Local IP Access. Possible values are: LIPA-prohibited, LIPA-only and LIPA-conditional. |
|
WLAN offloadability |
Indicates whether the traffic associated with this PDN Connection is allowed to be offloaded to WLAN using the WLAN/3GPP Radio Interworking feature or if it shall be kept on 3GPP access (see clause 4.3.23). The indication may contain separate values per RAT (E-UTRA and UTRA). |
|
VPLMN Address Allowed |
Specifies whether the UE is allowed to use the APN in the domain of the HPLMN only, or additionally the APN in the domain of the VPLMN. |
|
PDN GW Address in Use (control plane) |
The IP address of the PDN GW currently used for sending control plane signalling. |
|
PDN GW TEID for S5/S8 (control plane) |
PDN GW Tunnel Endpoint Identifier for the S5/S8 interface for the control plane. (For GTP-based S5/S8 only). |
|
MS Info Change Reporting Action |
Need to communicate change in User Location Information to the PDN GW with this EPS bearer Context. |
|
CSG Information Reporting Action |
Need to communicate change in User CSG Information to the PDN GW with this EPS bearer Context. This field denotes separately whether the MME/SGSN are requested to send changes in User CSG Information for (a) CSG cells, (b) hybrid cells in which the subscriber is a CSG member and (c) hybrid cells in which the subscriber is not a CSG member. |
|
Presence Reporting Area Action |
Need to communicate a change of UE presence in Presence Reporting Area. This field denotes separately the PRA identifier(s), and the list(s) of the Presence Reporting Area elements (if provided by the PDN GW). The status (i.e. active or inactive) for each Presence Reporting Area is stored in the MME when dynamic resource handling for Presence Reporting Area is configured in the MME. |
|
EPS subscribed QoS profile |
The bearer level QoS parameter values for that APN’s default bearer (QCI and ARP) (see clause 4.7.3). |
|
Subscribed APN-AMBR |
The Maximum Aggregated uplink and downlink MBR values to be shared across all Non-GBR bearers, which are established for this APN, according to the subscription of the user. |
|
APN-AMBR |
The Maximum Aggregated uplink and downlink MBR values to be shared across all Non-GBR bearers, which are established for this APN, as decided by the PDN GW. |
|
PDN GW GRE Key for uplink traffic (user plane) |
PDN GW assigned GRE Key for the S5/S8 interface for the user plane for uplink traffic. (For PMIP-based S5/S8 only) |
|
Default bearer |
Identifies the EPS Bearer Id of the default bearer within the given PDN connection. |
|
low access priority |
Indicates that the UE requested low access priority when the PDN connection was opened. NOTE: The low access priority indicator is only stored for the purpose to be included in charging records. |
|
PDN continuity at inter RAT mobility |
Provides for this APN how to handle a PDN connection when UE the moves between "broadband" (WB-E-UTRAN and UTRAN) and "narrowband" (NB-IoT, GPRS, EC-GSM-IoT). Possible values are: maintain the PDN connection; disconnect the PDN connection with a reactivation request; disconnect PDN connection without reactivation request; or to leave it to local VPLMN policy. |
|
For each bearer within the PDN connection: |
|
|
EPS Bearer ID |
An EPS bearer identity uniquely identifies an EP S bearer for one UE accessing via E-UTRAN |
|
TI |
Transaction Identifier |
|
S-GW IP address for S1-u/S11-u |
IP address of the S‑GW for the S1-u interface. Also IP address of the S-GW for the S11-u interface if no separation of S1-U and S11-U is required. The S11-u interface is used for Control Plane CIoT EPS Optimisation. |
|
S-GW IP address for S11-u |
IP address of the S‑GW for the S11-u interfaces if S11-u is separated from S1-u. The S11-u interface is used for Control Plane CIoT EPS Optimisation. |
|
S-GW TEID for S1-u/S11-u |
Tunnel Endpoint Identifier of the S‑GW for the S1-u interface. Also Tunnel Endpoint Identifier of the S-GW for the S11-u interface if no separation of S1-U and S11-U is required. The S11-u interface is used for Control Plane CIoT EPS Optimisation. |
|
S-GW TEID for S11-u |
Tunnel Endpoint Identifier of the S‑GW for the S11-u interface if S11-u is separated from S1-u. The S11-u interface is used for Control Plane CIoT EPS Optimisation. |
|
MME IP address for S11-u |
MME IP address for the S11-u interface (Used by the S-GW). The S11-u interface is used for Control Plane CIoT EPS Optimisation. |
|
MME TEID for S11-u |
MME Tunnel Endpoint Identifier for the S11-u interface (Used by the S-GW). The S11-u interface is used for Control Plane CIoT EPS Optimisation. |
|
PDN GW TEID for S5/S8 (user plane) |
P‑GW Tunnel Endpoint Identifier for the S5/S8 interface for the user plane. (Used for S‑GW change only). NOTE: The PDN GW TEID is needed in MME context as S‑GW relocation is triggered without interaction with the source S‑GW, e.g. when a TAU occurs. The Target S‑GW requires this Information Element, so it must be stored by the MME. |
|
PDN GW IP address for S5/S8 (user plane) |
P GW IP address for user plane for the S5/S8 interface for the user plane. (Used for S‑GW change only). NOTE: The PDN GW IP address for user plane is needed in MME context as S‑GW relocation is triggered without interaction with the source S‑GW, e.g. when a TAU occurs. The Target S GW requires this Information Element, so it must be stored by the MME. |
|
EPS bearer QoS |
QCI and ARP optionally: GBR and MBR for GBR bearer |
|
TFT |
Traffic Flow Template. (For PMIP-based S5/S8 only) |
|
Serving PLMN-Rate-Control |
The Serving PLMN-Rate-Control limits the maximum number of NAS Data PDUs per deci hour sent per direction (uplink/downlink) using the Control Plane CIoT EPS Optimisation for a PDN connection. |
The MME Emergency Configuration Data is used instead of UE subscription data received from the HSS, for all emergency bearer services that are established by an MME on UE request.
Table 5.7.2-2: MME Emergency Configuration Data
|
Field |
Description |
|---|---|
|
Emergency Access Point Name (em APN) |
A label according to DNS naming conventions describing the access point used for Emergency PDN connection (wild card not allowed). |
|
Emergency QoS profile |
The bearer level QoS parameter values for Emergency APN’s default bearer (QCI and ARP). The ARP is an ARP value reserved for emergency bearers. |
|
Emergency APN-AMBR |
The Maximum Aggregated uplink and downlink MBR values to be shared across all Non-GBR bearers, which are established for the Emergency APN, as decided by the PDN GW. |
|
Emergency PDN GW identity |
The statically configured identity of the PDN GW used for emergency APN. The PDN GW identity may be either an FQDN or an IP address. |
|
Non-3GPP HO Emergency PDN GW identity |
The statically configured identity of the PDN GW used for emergency APN when a PLMN supports handover to non-3GPP access. The PDN GW identity may be either an FQDN or an IP address.(NOTE 1) |
|
NOTE: The FQDN always resolves to one PDN GW. |
|
NOTE 1: QCI for Emergency APN’s default bearer is set per operator configuration.
The MME RLOS Configuration Data is used, for all RLOS PDN connection that are established by an MME on UE request instead of UE subscription data received from HSS.
Table 5.7.2-3: MME RLOS Configuration Data
|
Field |
Description |
|---|---|
|
Restricted Local Operator Services Access Point Name (RLOS APN) |
A label according to DNS naming conventions describing the access point used for RLOS PDN connection (wild card not allowed). |
|
RLOS QoS profile |
The bearer level QoS parameter values for RLOS APN’s default bearer (QCI and ARP). |
|
RLOS APN-AMBR |
The Maximum Aggregated uplink and downlink MBR values to be shared across all Non-GBR bearers, which are established for the RLOS APN, as decided by the PDN GW. |
|
RLOS PDN GW identity |
The statically configured identity of the PDN GW used for RLOS APN. The PDN GW identity may be either an FQDN or an IP address. |
|
NOTE: The FQDN always resolves to one PDN GW. |
|
NOTE 2: QCI and ARP for RLOS APN’s default bearer is set per operator configuration.
5.7.3 Serving GW
The Serving GW maintains the following EPS bearer context information for UEs. Table 5.7.3-1 shows the context fields for one UE.
For emergency attached or RLOS attached UEs which are not authenticated, IMEI is stored in context.
Table 5.7.3-1: S‑GW EPS bearer context
|
Field |
Description |
E-UTRAN |
UTRAN/ |
|---|---|---|---|
|
IMSI |
IMSI (International Mobile Subscriber Identity) is the subscriber permanent identity. |
X |
X |
|
IMSI-unauthenticated-indicator |
This is an IMSI indicator to show the IMSI is unauthenticated. |
X |
X |
|
ME Identity |
Mobile Equipment Identity (e.g. IMEI/IMEISV). |
X |
X |
|
MSISDN |
The basic MSISDN of the UE. The presence is dictated by its storage in the HSS. |
X |
X |
|
Selected CN operator id |
Selected core network operator identity (to support network sharing as defined in TS 23.251 [24]). |
X |
X |
|
LTE-M Indication |
Information used by the core network to differentiate traffic from category M UEs for charging purposes, where different values of M (e.g. M1, M2) are defined in TS 36.306 [82]. |
X |
|
|
MME TEID for S11 |
MME Tunnel Endpoint Identifier for the S11 interface |
X |
|
|
MME IP address for S11 |
MME IP address the S11 interface. |
X |
|
|
S‑GW TEID for S11/S4 (control plane) |
S‑GW Tunnel Endpoint Identifier for the S11 Interface and the S4 Interface (control plane). |
X |
X |
|
S‑GW IP address for S11/S4 (control plane) |
S‑GW IP address for the S11 interface and the S4 Interface (control plane). |
X |
X |
|
SGSN IP address for S4 (control plane) |
SGSN IP address for the S4 interface (Used by the S‑GW). |
X |
|
|
SGSN TEID for S4 (control plane) |
SGSN Tunnel Endpoint Identifier for the S4 interface. |
X |
|
|
Trace reference |
Identifies a record or a collection of records for a particular trace. |
X |
X |
|
Trace type |
Indicates the type of trace |
X |
X |
|
Trigger id |
Identifies the entity that initiated the trace |
X |
X |
|
OMC identity |
Identifies the OMC that shall receive the trace record(s). |
X |
X |
|
Last known Cell Id |
This is the last location of the UE known by the network |
X |
X |
|
Last known Cell Id age |
This is the age of the above UE location information |
X |
X |
|
DL Data Buffer Expiration Time |
The time until the Serving GW buffers DL data, when the MME has requested extended buffering in an DDN Ack (e.g. when a UE is in PSM). |
X |
X |
|
Serving PLMN-Rate-Control |
For inclusion on Serving GW CDR to allow post processing of CDRs and permit detection of abusive UEs. |
X |
|
|
For each PDN Connection: NOTE: The following entries are repeated for each PDN. |
|||
|
APN in Use |
The APN currently used, as received from the MME or S4 SGSN. |
X |
X |
|
PDN Type |
IPv4, IPv6, IPv4v6, Non-IP or Ethernet. (This information is needed by the SGW in order to determine whether to perform Paging Policy Differentiation). |
X |
|
|
EPS PDN Charging Characteristics |
The charging characteristics of this PDN connection, e.g. normal, prepaid, flat-rate and/or hot billing. |
X |
X |
|
P‑GW Address in Use (control plane) |
The IP address of the P‑GW currently used for sending control plane signalling. |
X |
X |
|
P‑GW TEID for S5/S8 (control plane) |
P‑GW Tunnel Endpoint Identifier for the S5/S8 interface for the control plane. (For GTP-based S5/S8 only). |
X |
X |
|
P‑GW Address in Use (user plane) |
The IP address of the P‑GW currently used for sending user plane traffic. (For PMIP-based S5/S8 only) |
X |
X |
|
P‑GW GRE Key for uplink traffic (user plane) |
PDN GW assigned GRE Key for the S5/S8 interface for the user plane for uplink traffic. (For PMIP-based S5/S8 only) |
X |
X |
|
S‑GW IP address for S5/S8 (control plane) |
S‑GW IP address for the S5/S8 for the control plane signalling. |
X |
X |
|
S‑GW TEID for S5/S8 (control plane) |
S‑GW Tunnel Endpoint Identifier for the S5/S8 control plane interface. (For GTP-based S5/S8 only). |
X |
X |
|
S‑GW Address in Use (user plane) |
The IP address of the S‑GW currently used for sending user plane traffic. (For PMIP-based S5/S8 only) |
X |
X |
|
S‑GW GRE Key for downlink traffic (user plane) |
Serving GW assigned GRE Key for the S5/S8 interface for the user plane for downlink traffic. (For PMIP-based S5/S8 only) |
X |
X |
|
Default Bearer |
Identifies the default bearer within the PDN connection by its EPS Bearer Id. (For PMIP based S5/S8.) |
X |
X |
|
For each EPS Bearer within the PDN Connection: NOTE: The following entries defining the EPS Bearer specific parameters are included within the set of parameters defining the PDN Connection. |
|||
|
EPS Bearer Id |
An EPS bearer identity uniquely identifies an EPS bearer for one UE accessing via E-UTRAN |
X |
X |
|
TFT |
Traffic Flow Template |
X |
X |
|
P‑GW Address in Use (user plane) |
The IP address of the P‑GW currently used for sending user plane traffic. (For GTP-based S5/S8 only). |
X |
X |
|
P‑GW TEID for S5/S8 (user plane) |
P‑GW Tunnel Endpoint Identifier for the S5/S8 interface for the user plane. (For GTP-based S5/S8 only). |
X |
X |
|
S‑GW IP address for S5/S8 (user plane) |
S‑GW IP address for user plane data received from PDN GW. (For GTP-based S5/S8 only). |
X |
X |
|
S‑GW TEID for S5/S8 (user plane) |
S‑GW Tunnel Endpoint Identifier for the S5/S8 interface for the user plane. (For GTP-based S5/S8 only). |
X |
X |
|
S‑GW IP address for S1-u, S12, S4 (user plane) and S11-u |
S‑GW IP address for the S1-u interface (used by the eNodeB), for the S12 interface (used by the RNC) and for the S4 interface (used by the SGSN). Also S‑GW IP address for the S11-u interface (used by the MME) if no separation of S1-U and S11-U is required. The S11-u interface is used for Control Plane CIoT EPS Optimisation. |
X |
X |
|
S‑GW IP address for S11-u |
S‑GW IP address for the S11-u interface (used by the MME). if S11-u is separated from S1-u. The S11-u interface is used for Control Plane CIoT EPS Optimisation. |
X |
|
|
S‑GW TEID for S1-u, S12, S4 (user plane) and S11-u |
S‑GW Tunnel Endpoint Identifier for the S1-u interface, for the S12 interface (used by the RNC) and for the S4 interface (used by the SGSN). Also S‑GW Tunnel Endpoint Identifier for the S11-u interface (used by the MME) if no separation of S1-U and S11-U is required. The S11-u interface is used for Control Plane CIoT EPS Optimisation. |
X |
X |
|
S‑GW TEID for S11-u |
S‑GW Tunnel Endpoint Identifier for the S11-u interface (used by the MME) if S11-u is separated from S1-u. The S11-u interface is used for Control Plane CIoT EPS Optimisation. |
X |
|
|
MME IP address for S11-u |
MME IP address for the S11-u interface (Used by the S-GW). The S11-u interface is used for Control Plane CIoT EPS Optimisation. |
X |
|
|
MME TEID for S11-u |
MME Tunnel Endpoint Identifier for the S11-u interface (Used by the S-GW). The S11-u interface is used for Control Plane CIoT EPS Optimisation. |
X |
|
|
eNodeB IP address for S1-u |
eNodeB IP address for the S1-u interface (Used by the S‑GW). |
X |
|
|
eNodeB TEID for S1-u |
eNodeB Tunnel Endpoint Identifier for the S1-u interface. |
X |
|
|
RNC IP address for S12 |
RNC IP address for the S12 interface (Used by the S‑GW). |
X |
|
|
RNC TEID for S12 |
RNC Tunnel Endpoint Identifier for the S12 interface. |
X |
|
|
SGSN IP address for S4 (user plane) |
SGSN IP address for the S4 interface (Used by the S‑GW). |
X |
|
|
SGSN TEID for S4 (user plane) |
SGSN Tunnel Endpoint Identifier for the S4 interface. |
X |
|
|
EPS Bearer QoS |
ARP, GBR, MBR, QCI. |
X |
X |
|
Charging Id |
Charging identifier, identifies charging records generated by S‑GW and PDN GW. |
X |
X |
|
NOTE 1: The "Last Known Cell Id Age" is stored so that when UE location information is made available from both E-UTRAN and UTRAN/GERAN, the Serving GW can determine the "Last Known Cell Id". |
|||
5.7.4 PDN GW
The PDN GW maintains the following EPS bearer context information for UEs. Table 5.7.4-1 shows the context fields for one UE.
For emergency attached or RLOS attached UEs which are not authenticated, IMEI is stored in context.
Table 5.7.4-1: P‑GW context
|
Field |
Description |
E-UTRAN |
UTRAN/ |
|---|---|---|---|
|
IMSI |
IMSI (International Mobile Subscriber Identity) is the subscriber permanent identity. |
X |
X |
|
IMSI-unauthenticated-indicator |
This is an IMSI indicator to show the IMSI is unauthenticated. |
X |
X |
|
ME Identity |
Mobile Equipment Identity (e.g. IMEI/IMEISV). |
X |
X |
|
MSISDN |
The basic MSISDN of the UE. The presence is dictated by its storage in the HSS. |
X |
X |
|
Selected CN operator id |
Selected core network operator identity (to support network sharing as defined in TS 23.251 [24]). |
X |
X |
|
RAT type |
Current RAT |
X |
X |
|
LTE-M Indication |
Information used by the core network to differentiate traffic from Category M UEs for charging purposes, where different values of M (e.g. M1, M2) are defined in TS 36.306 [82]. |
X |
|
|
Trace reference |
Identifies a record or a collection of records for a particular trace. |
X |
X |
|
Trace type |
Indicates the type of trace |
X |
X |
|
Trigger id |
Identifies the entity that initiated the trace |
X |
X |
|
OMC identity |
Identifies the OMC that shall receive the trace record(s). |
X |
X |
|
For each APN in use: NOTE: The following entries are repeated for each APN. |
|||
|
APN in use |
The APN currently used, as received from the S-GW. |
X |
X |
|
APN AMBR |
The maximum aggregated uplink and downlink MBR values to be shared across all Non-GBR bearers, which are established for this APN. |
X |
X |
|
APN Rate Control |
The APN-Rate-Control limits the maximum number of uplink/downlink packets and the maximum number of additional exception report packets per a specific time unit (e.g. minute, hour, day, week) for this APN. It includes an indication as to whether or not Exception reports may still be sent when the limit has been met. |
X |
|
|
For each PDN Connection within the APN: NOTE: The following entries are repeated for each PDN connection within the APN. |
|||
|
IP Address(es) |
IPv4 address and/or IPv6 prefix. |
X |
X |
|
PDN type |
IPv4, IPv6, IPv4v6, Non-IP or Ethernet. |
X |
X |
|
S‑GW Address in Use (control plane) |
The IP address of the S‑GW currently used for sending control plane signalling. |
X |
X |
|
S‑GW TEID for S5/S8 (control plane) |
S‑GW Tunnel Endpoint Identifier for the S5/S8 interface for the control plane. (For GTP-based S5/S8 only). |
X |
X |
|
S‑GW Address in Use (user plane) |
The IP address of the S‑GW currently used for sending user plane traffic. (For PMIP-based S5/S8 only). |
X |
X |
|
S‑GW GRE Key for downlink traffic (user plane) |
Serving GW assigned GRE Key for the S5/S8 interface for the user plane for downlink traffic. (For PMIP-based S5/S8 only). |
X |
X |
|
P‑GW IP address for S5/S8 (control plane) |
P‑GW IP address for the S5/S8 for the control plane signalling. |
X |
X |
|
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). |
X |
X |
|
P‑GW Address in Use (user plane) |
The IP address of the P‑GW currently used for sending user plane traffic. (For PMIP-based S5/S8 only). |
X |
X |
|
P‑GW GRE Key for uplink traffic (user plane) |
PDN GW assigned GRE Key for the S5/S8 interface for the user plane for uplink traffic. (For PMIP-based S5/S8 only). |
X |
X |
|
MS Info Change Reporting support indication |
The MME and/or SGSN serving the UE support(s) procedures for reporting User Location Information and/or User CSG Information. |
X |
X |
|
MS Info Change Reporting Action |
Denotes whether the MME and/or the SGSN is/are requested to send changes in User Location Information change. |
X |
X |
|
CSG Information Reporting Action |
Denotes whether the MME and/or the SGSN is/are requested to send changes in User CSG Information change. This field denotes separately whether the MME/SGSN are requested to send changes in User CSG Information for (a) CSG cells, (b) hybrid cells in which the subscriber is a CSG member, and (c) hybrid cells in which the subscriber is not a CSG member, or any combination of the above. |
X |
X |
|
Presence Reporting Area Action |
Denotes whether the MME and/or the SGSN is/are requested to send changes of UE presence in Presence Reporting Area.This field denotes separately the Presence Reporting Area identifier and the list of Presence Reporting Area elements. |
X |
X |
|
BCM |
The negotiated Bearer Control Mode for GERAN/UTRAN. |
X |
|
|
Default Bearer |
Identifies the default bearer within the PDN connection by its EPS Bearer Id. The default bearer is the one which is established first within the PDN connection. (For GTP based S5/S8 or for PMIP based S5/S8 if multiple PDN connections to the same APN are supported). |
X |
X |
|
EPS PDN Charging Characteristics |
The charging characteristics of this PDN connection e.g. normal, prepaid, flat-rate and/or hot billing. |
||
|
Serving PLMN-Rate-Control |
The Serving PLMN-Rate-Control limits the maximum number of uplink/downlink messages per a specific time unit (e.g. minute, hour, day, week) for a PDN connection. |
X |
|
|
3GPP PS Data Off Status |
Current 3GPP PS Data Off status of the UE. |
||
|
For each EPS Bearer within the PDN Connection: NOTE 1: The following entries defining the EPS Bearer specific parameters are included within the set of parameters defining the PDN Connection. NOTE 2: The following entries are stored only for GTP-based S5/S8. |
|||
|
EPS Bearer Id |
An EPS bearer identity uniquely identifies an EPS bearer for one UE accessing via E-UTRAN |
X |
X |
|
TFT |
Traffic Flow Template |
X |
X |
|
S‑GW Address in Use (user plane) |
The IP address of the S‑GW currently used for sending user plane traffic. |
X |
X |
|
S‑GW TEID for S5/S8 (user plane) |
S‑GW Tunnel Endpoint Identifier for the S5/S8 interface for the user plane. |
X |
X |
|
P‑GW IP address for S5/S8 (user plane) |
P‑GW IP address for user plane data received from PDN GW. |
X |
X |
|
P‑GW TEID for S5/S8 (user plane) |
P‑GW Tunnel Endpoint Identifier for the GTP Based S5/S8 interface for user plane. |
X |
X |
|
EPS Bearer QoS |
ARP, GBR, MBR, QCI. |
X |
X |
|
Charging Id |
Charging identifier, identifies charging records generated by S‑GW and PDN GW. |
X |
X |
5.7.5 UE
The UE maintains the following context information. Table 5.7.5-1 shows the context fields. A GERAN or UTRAN capable UE maintains in addition the context information as described in a similar UE context table in TS 23.060 [7].
Table 5.7.5-1: UE context
|
Field |
Description |
|---|---|
|
IMSI |
IMSI (International Mobile Subscriber Identity) is the subscriber’s 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 and which identifies the tracking area last visited by the UE. |
|
Selected NAS Algorithm |
Selected NAS security algorithm. |
|
Selected AS Algorithm |
Selected AS security algorithms. |
|
eKSI |
Key Set Identifier for the main key KASME. Also indicates whether the UE is using security keys derived from UTRAN or E-UTRAN security association |
|
KASME |
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. |
|
Temporary Identity used in Next update (TIN) |
This parameter is used internally by the UE to memorise which temporary ID it has to indicate in the Attach Request and RAU/TAU Request as specified in clause 4.3.5.6. |
|
UE Specific DRX Parameters |
Preferred E-UTRAN DRX cycle length |
|
Active Time value for PSM |
UE specific Active Time value allocated by MME for power saving mode handling. |
|
Extended idle mode DRX parameters |
Extended idle mode DRX parameters received from the MME. |
|
Allowed CSG list |
The Allowed CSG list, which is under both user and operator control, indicates the list of CSG IDs and the associated PLMN where the UE is a member. |
|
Operator CSG list |
The Operator CSG list, which is under exclusive Operator control, indicates the list of CSG IDs and the associated PLMN where the UE is a member. |
|
Service Gap Time |
Used to set the Service Gap timer for Service Gap Control (see clause 4.3.17.9). |
|
For each active PDN connection: |
|
|
APN in Use |
The APN currently used. This APN shall be composed of the APN Network Identifier and the default APN Operator Identifier, as specified in TS 23.003 [9], clause 9.1.2. |
|
APN AMBR |
The maximum aggregated uplink and downlink MBR to be shared across all Non-GBR bearers, which are established for this APN. |
|
Assigned PDN Type |
The PDN Type assigned by the network (IPv4, IPv6, IPv4v6, Non-IP or Ethernet). |
|
IP Address(es) |
IPv4 address and/or IPv6 prefix |
|
Header Compression Configuration |
ROHC configuration and context(s) for IP header compression for Control Plane CIoT EPS Optimisation. |
|
Default Bearer |
Identifies the default bearer within the PDN connection by its EPS Bearer Id. The default bearer is the one which is established first within the PDN connection. |
|
WLAN offloadability |
Indicates whether the traffic associated with this PDN Connection is allowed to be offloaded to WLAN using the WLAN/3GPP Radio Interworking feature or if it shall be kept on 3GPP access (see clause 4.3.23). The indication may contain separate values per RAT (E-UTRA and UTRA). |
|
APN Rate Control |
The APN-Rate-Control limits the maximum number of uplink packets and the maximum number of additional exception report packets per a specific time unit (e.g. minute, hour, day, week) for this APN. It includes an indication as to whether or not Exception reports may still be sent when the limit has been met. |
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Serving PLMN-Rate-Control |
The Serving PLMN-Rate-Control limits the maximum number of NAS Data PDUs per deci hour sent uplink using the Control Plane CIoT EPS Optimisation for a PDN connection. |
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For each EPS Bearer within the PDN connection |
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EPS Bearer ID |
An EPS bearer identity uniquely identifies an EPS bearer for one UE accessing via E-UTRAN. |
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TI |
Transaction Identifier |
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EPS bearer QoS |
GBR and MBR for GBR bearer. |
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TFT |
Traffic Flow Template. |
5.7.6 Handling of Wild Card APN
When the wild card APN is present in the subscription context, the UE is authorized to connect to APNs which are not present in the subscription context.
When a request is received for registering a PDN GW ID and there is no PDN subscription context with this APN, the nodes (HSS/MME/ S4 SGSN) shall store the PDN GW ID – APN relation for the UE.
When a request is received for deregistering of PDN GW ID and there is no PDN subscription context with this APN, the nodes (HSS/MME/S4 SGSN) shall delete the PDN GW ID – APN relation from the list of APN – PDN GW ID relations.
5.7.7 CSS
Please refer to TS 23.008 [28] for the content of the information storage for the CSS.