System and method for wifi authentication and selection

Abstract

A method embodiment for network authentication includes selecting, by a user equipment (UE), an access network for establishing a network connection and receiving one or more network authentication status indications for a network associated with the access network. The method further includes implementing a network authentication and selection policy in accordance with the one or more network authentication status indications.

What is claimed is: 
     
       1. A method for network authentication and selection comprising:
 determining, by a network device, an authentication status of a network associated with the network device; and 
 transmitting, by the network device to a user equipment (UE), one or more network authentication status indications in accordance with the authentication status of the network, the one or more network authentication status indications providing information for the UE to determine whether to continue an authentication process with the network, and one of the network authentication status indications being an access network query protocol (ANQP) information element comprising a payload field indicating overload information about the network. 
 
     
     
       2. The method of  claim 1 , the ANQP information element comprising at least one of an information identification (ID) field, a length field, an organization identifier (OI) field, a type field, or a subtype field. 
     
     
       3. The method of  claim 1 , further comprising transmitting an authentication retry policy to the UE. 
     
     
       4. The method of  claim 3 , wherein the authentication retry policy defines a retry timer, a maximum number of authentication attempts, or a combination thereof. 
     
     
       5. A network device comprising:
 a non-transitory memory storage comprising instructions; and 
 one or more processors in communication with the non-transitory memory storage, wherein the one or more processors execute the instructions to:
 determine an authentication status of a network associated with the network device; and 
 transmit, to a user equipment (UE), one or more network authentication status indications in accordance with the authentication status of the network, wherein the one or more network authentication status indications provide information for the UE to determine whether to continue an authentication process with the network, and wherein one of the network authentication status indications is an access network query protocol (ANQP) information element comprising a payload field indicating overload information about the network. 
 
 
     
     
       6. The network device of  claim 5 , wherein the ANQP information element comprises at least one of an information identification (ID) field, a length field, an organization identifier (OI) field, a type field, or a subtype field. 
     
     
       7. The network device of  claim 5 , wherein the one or more processors execute the instructions to transmit an authentication retry policy to the UE. 
     
     
       8. The network device of  claim 7 , wherein the authentication retry policy defines a retry timer, a maximum number of authentication attempts, or a combination thereof. 
     
     
       9. A method for network authentication and selection comprising:
 selecting, by a user equipment (UE), an access network for establishing a network connection; 
 receiving, by the UE, one or more network authentication status indications for a first network associated with the access network, one of the network authentication status indications being an access network query protocol (ANQP) information element comprising a payload field indicating overload information about the first network; and 
 implementing, by the UE, a network authentication and selection policy in accordance with the one or more network authentication status indications, the implementing comprising:
 deciding, by the UE, whether to continue an authentication process with the access network in accordance with the one or more network authentication status indications; and 
 implementing, by the UE, an authentication retry policy in response to the UE deciding not to continue the authentication process with the access network. 
 
 
     
     
       10. The method of  claim 9 , the ANQP information element comprising at least one of an information identification (ID) field, a length field, an organization identifier (OI) field, a type field, or a subtype field. 
     
     
       11. The method of  claim 9  , wherein the one or more network authentication status indications comprise an overload indication indicating whether an authentication server associated with the first network is overloaded, an authentication permission indication indicating whether the first network is allowing new users authentication attempts, a network selection function indication, a quality of service (QoS) indication, a policy control function indication, or a combination thereof. 
     
     
       12. The method of  claim 9 , wherein receiving the one or more network authentication status indications comprises receiving the one or more network authentication status indications in an ANQP response, a beacon, a probe response, an Access Network Discovery and Selection Function (ANDSF) policy function, or a combination thereof. 
     
     
       13. A user equipment (UE) comprising:
 a non-transitory memory storage comprising instructions; and 
 one or more processors in communication with the non-transitory memory storage, wherein the one or more processors execute the instructions to:
 select an access network for establishing a network connection; 
 receive one or more network authentication status indications for a first network associated with the access network, wherein one of the network authentication status indications is an access network query protocol (ANQP) information element comprising a payload field indicating overload information about the first network; and 
 implement a network authentication and selection policy in accordance with the one or more network authentication status indications, wherein the one or more processors executing the instructions to implement the network authentication and selection policy comprises the one or more processors executing the instructions to:
 decide whether to continue an authentication process with the access network in accordance with the one or more network authentication status indications; and 
 implement an authentication retry policy in response to the UE deciding not to continue the authentication process with the access network. 
 
 
 
     
     
       14. The UE of  claim 13 , wherein the ANQP information element comprises at least one of an information identification (ID) field, a length field, an organization identifier (OI) field, a type field, or a subtype field. 
     
     
       15. The UE of  claim 13 , wherein the one or more network authentication status indications comprise an overload indication indicating whether an authentication server associated with the first network is overloaded, an authentication permission indication indicating whether the first network is allowing new users authentication attempts, a network selection function indication, a quality of service (QoS) indication, a policy control function indication, or a combination thereof. 
     
     
       16. The UE of  claim 13 , wherein the one or more processors executing the instructions to implement the network authentication and selection policy comprises the one or more processors executing the instructions to select a different network for establishing the network connection in accordance with the one or more network authentication status indications. 
     
     
       17. A method for network authentication and selection comprising:
 selecting, by a user equipment (UE), a first network for establishing a network connection;   initiating, by the UE, an authentication process with a second network using the selected first network;   receiving, by the UE, in response to the initiating the authentication process, a message comprising one or more network authentication status indications for the second network, one of the network authentication status indications comprising a payload field indicating overload information about the second network; and   implementing, by the UE, a network authentication retry policy in accordance with the one or more network authentication status indications, the implementing comprising:
 deciding, by the UE, to retry an authentication process with the first network in accordance with the one or more network authentication status indications and the authentication retry policy; and 
 implementing, by the UE, the authentication retry policy in response to the UE deciding to retry the authentication process with the first network. 
   
     
     
       18. The method of claim 17, wherein the network authentication retry policy is received from the network. 
     
     
       19. The method of claim 17, wherein the network authentication retry policy is pre-configured on the UE. 
     
     
       20. The method of claim 17, wherein implementing, by the UE, the authentication retry policy comprises implementing a retry timer. 
     
     
       21. The method of claim 20, wherein the retry timer has a duration established in accordance with the network authentication status indication. 
     
     
       22. The method of claim 17, wherein the second network is a home network of the UE. 
     
     
       23. The method of claim 17, wherein the second network is a network having a roaming relationship with the UE. 
     
     
       24. A user equipment (UE) comprising:
 a non-transitory memory storage comprising instructions; and   one or more processors in communication with the non-transitory memory storage, wherein the one or more processors execute the instructions to:
 select a first network for establishing a network connection; 
 initiate an authentication process with a second network using the selected first network; 
 receive, in response to the initiating the authentication process, a message comprising one or more network authentication status indications for the second network, one of the network authentication status indications comprising a payload field indicating overload information about the second network; and 
 implement a network authentication retry policy in accordance with the one or more network authentication status indications, wherein the one or more processors executing the instructions to implement the network authentication retry policy comprises the one or more processors executing the instructions to:
 decide to retry an authentication process with the first network in accordance with the one or more network authentication status indications and the authentication retry policy; and 
 implement the authentication retry policy in response to the UE deciding to retry the authentication process with the first network. 
 
   
     
     
       25. The method of claim 24, wherein the one more processors execute the instruction further to receive the network authentication retry policy from the network. 
     
     
       26. The method of claim 24, wherein the network authentication retry policy is pre-configured on the UE. 
     
     
       27. The method of claim 24, wherein the one or more processors executing the instructions to implement the network authentication retry policy comprises the one or more processors executing the instructions to implement a retry timer. 
     
     
       28. The method of claim 27, wherein the retry timer has a duration established in accordance with the network authentication status indication. 
     
     
       29. The method of claim 24, wherein the second network is a home network of the UE. 
     
     
       30. The method of claim 24, wherein the second network is a network having a roaming relationship with the UE.