5.5 Discovery information
24.3123GPPAccess Network Discovery and Selection Function (ANDSF) Management Object (MO)Release 17TS
5.5.1 ANDSF/DiscoveryInformation
The DiscoveryInformation node acts as a placeholder for access network discovery information.
– Occurrence: ZeroOrOne
– Format: node
– Access Types: Get, Replace
– Values: N/A
The operator may provide information on available access networks through the ANDSF. The UE may use the information as an aid in discovering other access networks.
5.5.2 ANDSF/DiscoveryInformation/<X>
This interior node acts as a placeholder for one or more access network information elements.
– Occurrence: OneOrMore
– Format: node
– Access Types: Get, Replace
– Values: N/A
5.5.3 ANDSF/DiscoveryInformation/<X>/AccessNetworkType
The AccessNetworkType leaf represents the type of an access network.
– Occurrence: One
– Format: int
– Access Types: Get, Replace
– Values: <Access network type>
The value of AccessNetworkType indicates the type of the network for which discovery assistance information is provided. Possible values are specified in table 5.5.3.1.
Table 5.5.3.1: Possible values for the AccessTechnology leaf
|
Value |
Description |
|
0 |
Reserved |
|
1 |
3GPP |
|
2 |
Reserved |
|
3 |
WLAN |
|
4 |
WiMAX |
|
5-255 |
Reserved |
5.5.4 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea
The AccessNetworkArea node acts as a placeholder for a description of the location where one particular access network is expected to be available.
– Occurrence: One
– Format: node
– Access Types: Get, Replace
– Values: N/A
If the UE is aware that it is located in at least one of the locations described under this node, the UE may assume the corresponding access network to be available.
If the AccessNetworkArea node is present and empty (i.e. none of the nodes 3GPP_Location, 3GPP2_Location, WiMAX_Location, WLAN_Location or Geo_Location exist), then the AccessNetworkArea is not considered when evaluating the discovery information.
5.5.5 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP_Location
The 3GPP_Location node acts as a placeholder for 3GPP location descriptions.
– Occurrence: ZeroOrOne
– Format: node
– Access Types: Get, Replace
– Values: N/A
If the UE is currently aware that it is located in the coverage area described by this node, the networks described in the correspondent AccessNetworkInformationRef are expected to be available.
5.5.6 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP_Location/<X>
This interior node acts as a placeholder for one or more 3GPP location descriptions.
– Occurrence: OneOrMore
– Format: node
– Access Types: Get, Replace
– Values: N/A
5.5.7 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP_Location/<X>/PLMN
The PLMN leaf indicates a PLMN code for one particular 3GPP location description.
– Occurrence: One
– Format: chr
– Access Types: Get, Replace
– Values: <PLMN>
The format of the PLMN is defined by 3GPP TS 23.003 [3].
5.5.8 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP_Location/<X>/TAC
This TAC leaf indicates a Tracking Area Code for one particular 3GPP location description.
– Occurrence: ZeroOrOne
– Format: chr
– Access Types: Get, Replace
– Values: <Tracking area code>
The format of the TAC is defined by 3GPP TS 23.003 [3].
5.5.9 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP_Location/<X>/LAC
This LAC leaf indicates a Location Area Code for one particular 3GPP location description.
– Occurrence: ZeroOrOne
– Format: chr
– Access Types: Get, Replace
– Values: <Location area code>
The format of the LAC is defined by 3GPP TS 23.003 [3].
5.5.10 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP_Location/<X>/GERAN_CI
The GERAN_CI leaf indicates a GERAN Cell Identity for one particular 3GPP network related location description.
– Occurrence: ZeroOrOne
– Format: bin
– Access Types: Get, Replace
– Values: <GERAN Cell Identity>
The leaf format and usage is defined in subclause 5.4.16.
5.5.11 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP_Location/<X>/UTRAN_CI
The UTRAN_CI leaf indicates a UTRAN Cell Identity for one particular 3GPP network related location description.
– Occurrence: ZeroOrOne
– Format: bin
– Access Types: Get, Replace
– Values: <UTRAN Cell Identity>
The leaf format and usage is defined in subclause 5.4.17.
5.5.12 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP_Location/<X>/EUTRA_CI
The EUTRA_CI leaf indicates an E-UTRA Cell Identity for one particular 3GPP network related location description.
– Occurrence: ZeroOrOne
– Format: bin
– Access Types: Get, Replace
– Values: <E-UTRA Cell Identity>
The leaf format and usage is defined in subclause 5.4.18.
5.5.13 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP2_Location
This 3GPP2_Location node acts as a placeholder for 3GPP2 location description.
– Occurrence: ZeroOrOne
– Format: node
– Access Types: Get, Replace
– Values: N/A
If the UE is currently aware that it is located in the coverage area described by this 3GPP2_Location node, the networks described in the correspondent AccessNetworkInformationRef are expected to be available.
If ANDSF provides 3GPP2_Location in AccessNetworkArea interior node, either the 1x or HRPD interior node, or both, shall be provided.
5.5.14 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP2_Location/1x
This 1x node acts as a placeholder for one or more 3GPP2 1x RAT location descriptions.
– Occurrence: ZeroOrOne
– Format: node
– Access Types: Get, Replace
– Values: N/A
5.5.15 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP2_Location/1x/<X>
This interior node acts as a placeholder for one or more 3GPP2 1x RAT location descriptions.
– Occurrence: OneOrMore
– Format: node
– Access Types: Get, Replace
– Values: N/A
5.5.16 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP2_Location/1x/<X>/SID
This SID leaf indicates a System Identification code for one particular 3GPP2 1x RAT location description.
– Occurrence: One
– Format: chr
– Access Types: Get, Replace
– Values: <System Identification>
The format of the SID is defined by 3GPP2 C.S0016 [14].
5.5.17 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP2_Location/1x/<X>/NID
This NID leaf indicates a Network Identification code for one particular 3GPP2 1x RAT location description.
– Occurrence: ZeroOrOne
– Format: chr
– Access Types: Get, Replace
– Values: <Network Identification>
The format of the NID is defined by 3GPP2 C.S0016 [14].
5.5.18 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP2_Location/1x/<X>/Base_ID
This Base_ID leaf indicates a Base Station Identification Code for one particular 3GPP2 1x RAT location description.
– Occurrence: ZeroOrOne
– Format: chr
– Access Types: Get, Replace
– Values: <Base Station Identification>
The format of the Base_ID is defined by 3GPP2 C.S0005 [13].
5.5.19 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP2_Location/HRPD
This HRPD node acts as a placeholder for one or more 3GPP2 HRPD RAT location descriptions.
– Occurrence: ZeroOrOne
– Format: node
– Access Types: Get, Replace
– Values: N/A
5.5.20 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP2_Location/HRPD/<X>
This interior node acts as a placeholder for one or more 3GPP2 HRPD RAT location descriptions.
– Occurrence: OneOrMore
– Format: node
– Access Types: Get, Replace
– Values: N/A
5.5.21 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP2_Location/HRPD/<X>/Sector_ID
This Sector_ID leaf indicates a Sector Identification code for one particular 3GPP2 HRPD RAT location description.
– Occurrence: One
– Format: bin
– Access Types: Get, Replace
– Values: <Sector ID>
The format of the Sector ID is defined by 3GPP2 C.S0024-0 [15]. The length of Sector ID contained in this node is 128 bits.
5.5.22 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
3GPP2_Location/HRPD/<X>/Netmask
This Netmask leaf indicates a Netmask code for one particular 3GPP2 HRPD RAT location description.
– Occurrence: One
– Format: bin
– Access Types: Get, Replace
– Values: <Netmask>
The format of Netmask is defined by 3GPP2 C.S0024-0 [15]. The length of Netmask contained in this node is 8 bits. The mask contained in this leaf shall be applied to the Sector_ID bit string contained in the correspondent leaf of interior node ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/3GPP2_Location/HRPD/<X>.
5.5.23 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
WiMAX_Location
The WiMAX_Location node acts as a placeholder for WiMAX location descriptions.
– Occurrence: ZeroOrOne
– Format: node
– Access Types: Get, Replace
– Values: N/A
If the UE is currently aware that it is located in the coverage area described by this node, the networks described in the correspondent AccessNetworkInformationRef are expected to be available.
5.5.24 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
WiMAX_Location/<X>
This interior node acts as a placeholder for one or more WiMAX location descriptions.
– Occurrence: OneOrMore
– Format: node
– Access Types: Get, Replace
– Values: N/A
5.5.25 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
WiMAX_Location/<X>/NAP-ID
The NASP-ID leaf indicates the Network Access Provider for a particular WiMAX location description.
– Occurrence: One
– Format: chr
– Access Types: Get, Replace
– Values: <NAP-ID>
The format of the NAP-ID is defined by the WiMAX Forum Network Architecture version 1.2.2 – Stage 2 [6] and WiMAX Forum Network Architecture Release 1.0 version 1.2.2 – Stage 3 [7].
5.5.26 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
WiMAX_Location/<X>/BS-ID
The BS-ID leaf indicates the BS identifier for a particular WiMAX location description.
– Occurrence: One
– Format: chr
– Access Types: Get, Replace
– Values: <BS-ID>
The format of the BS-ID is defined by the IEEE Std 802.16e-2005 and IEEE Std 802.16-2004/Cor1-2005 [10].
5.5.27 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
WLAN_Location
The WLAN_Location node acts as a placeholder for WLAN location descriptions.
– Occurrence: ZeroOrOne
– Format: node
– Access Types: Get, Replace
– Values: N/A
If the UE is currently aware that it is located in the coverage area described by this node, the networks described in the correspondent AccessNetworkInformationRef are expected to be available.
The UE shall ignore WLAN_Location node that is present and does not contain at least one of the non-empty leaves (i.e. HESSID, SSID or BSSID).
5.5.28 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
WLAN_Location/<X>
This interior node acts as a placeholder for one or more WLAN location descriptions.
– Occurrence: OneOrMore
– Format: node
– Access Types: Get, Replace
– Values: N/A
5.5.29 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea
/WLAN_Location/<X>/HESSID
The HESSID leaf indicates the HESSID for a particular Home WLAN Specific Identifier location description.
– Occurrence: ZeroOrOne
– Format: chr
– Access Types: Get, Replace
– Values: <HESSID>
The format of the HESSID is defined by IEEE 802.11™-2012 [26].
5.5.30 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea
/WLAN_Location/<X>/SSID
The SSID leaf indicates the SSID for a particular WLAN location description.
– Occurrence: ZeroOrOne
– Format: chr
– Access Types: Get, Replace
– Values: <SSID>
The format of the SSID is defined by IEEE Std 802.11™-2012 [26].
5.5.31 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
WLAN_Location/<X>/BSSID
The BSSID leaf indicates the AP identifier for one particular WLAN location description.
– Occurrence: ZeroOrOne
– Format: chr
– Access Types: Get, Replace
– Values: <BSSID>
The format of the BSSID is defined by IEEE Std 802.11™-2012 [26].
5.5.32 ANDSF/DiscoveryInformation/<X>/AccessNetworkArea/
Geo_Location
This Geo_Location node acts as a placeholder for geographical location descriptions for location of one or more access networks.
– Occurrence: ZeroOrOne
– Format: node
– Access Types: Get, Replace
– Values: N/A
If the UE is currently aware that it is located in the area described by this Geo_Location node, the networks described in the correspondent AccessNetworkInformationRef are expected to be available.
If theANDSF/DiscoveryInformation/<X>/AccessNetworkArea/Geo_Location node is present and empty (i.e. the node Circular does not exist), then the Geo_Location node is not considered when evaluating the discovery information.
5.5.33 ANDSF/DiscoveryInformation/<X>/ AccessNetworkArea /Geo_Location/Circular
The Circular node acts as a placeholder for circular areas location descriptions.
– Occurrence: ZeroOrOne
– Format: node
– Access Types: Get, Replace
– Values: N/A
5.5.34 ANDSF/DiscoveryInformation/<X>/ AccessNetworkArea /Geo_Location/Circular/<X>
The interior node acts as a placeholder for one or more circular area location descriptions.
– Occurrence: OneOrMore
– Format: node
– Access Types: Get, Replace
– Values: <N/A >
5.5.35 ANDSF/DiscoveryInformation/<X>/ AccessNetworkArea/Geo_Location/Circular/<X>/AnchorLatitude
The AnchorLatitude leaf indicates the latitude value of the center of the circular area.
– Occurrence: One
– Format: bin
– Access Types: Get, Replace
– Values: <Latitude>
The Latitude is defined in subclause 6.1 of 3GPP TS 23.032 [3A].
5.5.36 ANDSF/DiscoveryInformation/<X>/ AccessNetworkArea/Geo_Location/Circular/<X>/AnchorLongitude
The AnchorLongitude leaf indicates the longitude value of the center of the circular area.
– Occurrence: One
– Format: bin
– Access Types: Get, Replace
– Values: < Longitude>
The Longitude is defined in subclause 6.1 of 3GPP TS 23.032 [3A].
5.5.37 ANDSF/DiscoveryInformation/<X>/ AccessNetworkArea/Geo_Location/Circular/<X>/Radius
The Radius leaf indicates the radius value of the circular area.
– Occurrence: One
– Format: int
– Access Types: Get, Replace
– Values: < Radius>
The Radius is given in meters and is defined in subclause 6.6 of 3GPP TS 23.032 [3A].
5.5.37A ANDSF/DiscoveryInformation/<X>/ValidityAreaRef
The ValidityAreaRef leaf contains a reference to a ValidityArea interior node.
– Occurrence: ZeroOrOne
– Format: chr
– Access Types: Get, Replace
– Values: < a reference to a ValidityArea interior node >
The reference to a ValidityArea interior node is a full device URI as specified in OMA-TS-DM_Protocol-V1_2 [5A], identifying the ValidityArea interior node in the UE management tree.
One particular access network is expected to be available when the referenced ValidityArea interior node is considered a match.
5.5.38 ANDSF/DiscoveryInformation/<X>/
AccessNetworkInformationRef
The AccessNetworkInformationRef leaf represents a reference to an access network information object.
– Occurrence: ZeroOrOne
– Format: chr
– Access Types: Get, Replace
– Values: <An access network information object>
The value of AccessNetworkInformationRef is a reference to an object with access network type specific information.For example WLAN related values for the AccessNetworkInformationRef are defined in the OMA Connectivity Management Objects defined e.g. in OMA-DDS-DM_ConnMO-V1_0- 20081107-A [4A] and OMA-DDS-DM_ConnMO_WLAN-V1_0-20081024-A [4B], and WiMAX related values for the AccessNetworkInformationRef are defined in the WiMAX MO in clause 6, etc.
5.5.39 ANDSF/DiscoveryInformation/<X>/PLMN
The PLMN leaf indicates a PLMN code of the operator which created this discovery information.
– Occurrence: One
– Format: chr
– Access Types: Get, Replace
– Values: <PLMN>
The format of the PLMN is defined by 3GPP TS 23.003 [3].