Abstract
Disclosed herein are systems and methods for handling closed subscriber group (CSG) based local / remote IP traffic offload and selective IP traffic offload. According to an aspect, a method may be implemented at user equipment (UE). The method may include determining that a service to the UE requires a predetermined quality of service (QoS). The method may also include selecting a gateway from among a plurality of gateways in response to determining that the service to the UE requires the predetermined QoS.
Technologies
Mobility and handover
Product
Use Cases
Services
Claim
1. A method for selecting a target HeNB for a handover, the method comprising:', 'establishing a connection with a wireless transmit/receive unit (WTRU), the connection supporting a session, wherein the session comprises any of a selective IP traffic offload (SIPTO) or local IP access (LIPA) session;', 'selecting a target HeNB for the handover based on the ability of the target HeNB to support the session; and', 'handing over the session to the target HeNB.
2. The method of claim 1 , wherein selecting a target HeNB for the handover based on the ability of the target HeNB to support the session comprises determining, based on CSG subscription information, that the WTRU is permitted to access the target HeNB.
3. The method of claim 1, wherein selecting a target HeNB for the handover based on the ability of the target HeNB to support the session comprises verifying that the target HeNB is connected to a local gateway (LGW) providing the session for the WTRU.
4. The method of claim 1 , wherein selecting a target HeNB for the handover based on the ability of the target HeNB to support the session comprisesdetermining that the WTRU is permitted to receive service from the target HeNB.
5. The method of claim 1, wherein selecting a target HeNB for the handover based on the ability of the target HeNB to support the session comprises:', 'determining, based on CSG subscription information, that the WTRU is permitted to access the target HeNB;', 'verifying that the target HeNB is connected to a local gateway (LGW) providing the session for the WTRU; and determining that the WTRU is permitted to receive service from the target HeNB.
6. The method of claim 1 , wherein selecting a target HeNB for the handover based on the ability of the target HeNB to support the session comprises:', 'receiving a measurement from the WTRU for the target HeNB; and', 'analyzing the measurement to determine whether radio conditions between WTRU and the target HeNB support the session.
7. The method of claim 1 , wherein selecting a target HeNB for the handover based on the ability of the target HeNB to support the session comprises:', 'receiving an operator policy;', 'determining one or more conditions that indicate that support for the session using the operator policy; and', 'determining when the one or more conditions have been met.
8. The method of claim 1, wherein determining when the one or more conditions have been met occurs', 'receiving an operator policy;', 'determining one or more conditions that indicate that support for the session using the operator policy;', 'receiving a measurement from the WTRU for the target HeNB, the measurement indiciating whether radio conditions between the WTRU and the target HeNB support the session; and', 'determining when the one or more conditions have been met when the measurement when the measurement indicates that the radio conditions between the WTRU and the target HeNB support the session.
9. The method of claim 1 , wherein selecting a target HeNB for the handover based on the ability of the target HeNB to support the session comprises receiving a an indication that the session is supported on the target HeNB from the WTRU10. The method of claim 1, wherein selecting a target HeNB for the handover based on the ability of the target HeNB to support the session comprises receiving an identity from the target HeNB that specifies a personal data network (PDN) or identifies a LGW
11. The method of claim 1 , wherein selecting a target HeNB for the handover based on the ability of the target HeNB to support the session comprises contacting the target HeNB via an X2 interface
12. The method of claim 1, wherein selecting a target HeNB for the handover based on the ability of the target HeNB to support the session comprises receiving information from the core network indicating that the target HeNB supports the session
13. The method of claim 1, wherein selecting a target HeNB for the handover based on the ability of the target HeNB to support the session comprises receiving information from a MME or a LGW indicating that the target HeNB supports the session
14. The method of claim 1, where in handing over the session to the target HeNB comprises: determining a LGW transport layer address and a tunnel end point identification (TEID); and', 'providing the LGW transport layer address and the TEID to the target HeNB to enable the target HeNB to continue the session
15. The method of claim 1, wherein establishing a connection with a WTRU comprises: establishing a SCTP association towards a LGW with a predefined STCP destination port number;', 'transferring support for a downlink TEID to the LGW;', 'transmitting a HeNB transport layer address; and receiving a LGW transport layer address
16. A method comprising :', 'receiving, via a wireless transmit/receive unit (WTRU), an inter-access point name (APN) routing policy (IARP) that provides a set of rules for routing IP traffic across one or more active interfaces;', 'determining a preferred APN using a prioritized list of APNs from the IARP;', 'selecting an IP interface to route an IP flow based on the preferred APN; and', 'transmitting the IP flow using selected IP interface
17. The method of claim 16, further comprising transmitting an indication to a network entity that the IP flow is selective IP traffic offload (SIPTO) or local IP access (LIP A)
18. The method of claim 17, wherein the indication comprises IP address information to enable a local gateway (LGW) to identify the IP flow as SIPTO or LIPA
19. The method of claim 17, wherein the indication comprises an APN value to enable a LGW to identify the IP flow as SIPTO or LIPA.
20. The method of claim 17, wherein the network entity comprises a mobility management entity (MME), a serving gateway (SGW), or a LGW.
21. The method of claim 16, wherein the selected IP interface is a dedicated packet data network (PDN) connection.
22. The method of claim 16, wherein the IARP is received from an access network discovery and selection function (ANDSF).
23. A method for providing a handover, the method comprising: receiving, via a HeNB, a handover indication;', 'determining whether a connection with a wireless transmit/receive unit (WTRU) can be established, the connection supporting a session, wherein the session comprises any of a selective IP traffic offload (SIPTO) or local IP access (LIP A) session;', 'establishing a connection with the WTRU; and', 'receiving the session handover.
24. The method of claim 23, wherein determining whether a connection with a WTRU can be established comprises:', 'determining, based on CSG subscription information, that the WTRU is permitted to access the HeNB;', 'verifying that the HeNB is connected to a local gateway (LGW) providing the session for the WTRU; and', 'determining that the WTRU is permitted to receive service from target HeNB.
25. The method of claim 24, further comprising transmitting an identity that specifies a personal data network (PDN) or identifies the LGW.
26. The method of claim 24, further comprising transmitting information to a core network indicating that the HeNB supports the session.
27. The method of claim 24, further comprising transmitting information to the WTRU indicating that the HeNB supports the session.
28. The method of claim 23, further comprising determining a LGW transport layer address and a tunnel end point identification (TEID).']
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SUMMARY
ClaimChart-WO2012135793A2-STO
Patent number:WO2012135793A2
Claim Chart Type : SEP Claim Chart
Price: 200 €
Note:
The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.