Wireless communication method and apparatus for performing home node-B identification and access restriction

1. A method for restricting access to a closed subscriber group (CSG), the method comprising:

transmitting a message from a cell, the message including a CSG identifier (ID) and at least one indicator, and one of the at least one indicator including a CSG indication that the cell is a CSG cell;

transmitting signaling from a network via the cell, the signaling including a plurality of allowed CSG IDs; and

receiving, from a wireless transmit/receive unit (WTRU), a request for access to the CSG cell based on the at least one indicator and on the CSG ID being included in the list of allowed CSG IDs.

2. The method of claim 1 , wherein one or more of the at least one indicator indicates any of:

whether the cell is a private cell or a public cell;

a capacity of the CSG cell; and

whether emergency calls are allowed from all users.

3. The method of claim 1 , wherein the CSG ID includes a plurality of fields that indicate at least one of a country, a region, an operator, and a home evolved Node-B (HeNB) number.

4. The method of claim 1 , wherein the signaling includes information elements (IEs), and wherein the IEs are one-bit indicators.

5. The method of claim 1 , further comprising:

transmitting, to the WTRU, one or more temporary CSG IDs (TCSGIDs) to which the WTRU has access to, the one or more TCSGIDs being associated with permanent CSG IDs, and the TCSGIDs being dynamically configured, dynamically reconfigured or dynamically configured and reconfigured by the network.

6. The method of claim 1 , wherein the CSG ID includes a combination of a tracking area (TA) ID, a cell ID and a home evolved Node-B (HeNB) ID.

7. The method of claim 1 , further comprising: transmitting an update to the list of allowed CSG IDs.

8. The method of claim 7 , wherein the update to the list of allowed CSG IDs comprises any of: an allowed CSG ID not in the stored list of allowed CSG IDs; an indication to remove one or more CSG IDs from the stored list of allowed CSG IDs; a combination of an allowed CSG ID not in the stored list of allowed CSG IDs and an indication to remove one or more CSG IDs from the stored list of allowed CSG IDs; or a new plurality of allowed CSG IDs for replacing the same in the stored list of allowed CSG IDs.

9. The method of claim 1 , further comprising:

transmitting the list of allowed CSG IDs prior to receiving the request for access to the CSG cell.

10. The method of claim 1 , further comprising:

receiving a handover request, the handover request including the CSG ID and a request for a handover command;

transmitting a handover command in response to the handover request; and

performing a handover to the CSG cell.

11. The method of claim 1 , wherein the message further includes an operator code that identifies the operator of the cell.

12. The method of claim 1 , wherein the CSG indication is one-bit.

13. A method implemented in a transmit/receive unit (WTRU), the method comprising:

reading system information from a cell;

determining the cell is a closed subscriber group (CSG) cell based on the system information including a CSG indication that indicates the cell is a CSG cell;

obtaining, from the system information, a CSG ID that identifies the CSG;

determining that the CSG ID is not among a list of allowed CSG IDs maintained in a memory of the WTRU;

determining that the CSG cell is an acceptable cell for reselection;

adding the CSG ID to the list of allowed CSG IDs; and

camping on the CSG cell.

14. The method of claim 13 , further comprising:

transmitting a message including a request for access to the CSG and an identity of a WTRU, wherein the CSG ID is added to the list of allowed CSG IDs responsive to the request for access.

15. The method of claim 14 , wherein the message is a non-access stratum (NAS) message.

16. The method of claim 15 , wherein the message is a tracking area update (TAU) message.

17. The method of claim 14 , further comprising:

receiving, from a network, information for updating the list of allowed CSG IDs, wherein the information includes the CSG ID, and wherein adding the CSG ID to the list of allowed CSG IDs comprises updating the list of allowed CSG IDs using the received information.

18. The method of claim 17 , wherein the information for updating the list of allowed CSG IDs is received using non-access stratum (NAS) signaling and/or open mobile alliance (OMA) mechanisms.

19. The method of claim 13 , further comprising:

receiving, from a network, information for updating the list of allowed CSG IDs, wherein the information includes the CSG ID, and wherein adding the CSG ID to the list of allowed CSG IDs comprises updating the list of allowed CSG IDs using the received information.

20. The method of claim 19 , wherein the information for updating the list of allowed CSG IDs is received using non-access stratum (NAS) signaling and/or open mobile alliance (OMA) mechanisms.

21. The method of claim 13 , further comprising:

receiving, from a network, information for populating the list of allowed CSG IDs; and

populating the list of allowed CSG IDs using the received information.

22. The method of claim 13 , wherein the CSG indication is one-bit.

23. A wireless transmit/receive unit (VVTRU) comprising:

a receiver configured to receive system information from a cell; and

a processor configured to:

determine the cell is a closed subscriber group (CSG) cell based on the system information including a CSG indication that indicates the cell is a CSG cell;

obtain, from the system information, a CSG ID that identifies the CSG;

determine that the CSG ID is not among a list of allowed CSG IDs maintained in a memory;

determine that the CSG cell is an acceptable cell for reselection;

add the CSG ID to the list of allowed CSG IDs; and

instruct the receiver to camp on the CSG cell.

24. The WTRU of claim 23 , further comprising a transmitter configured to transmit a message including a request for access to the CSG and an identity of a WTRU, wherein the CSG ID is added to the list of allowed CSG IDs responsive to the request for access.

25. The WTRU of claim 24 , wherein the message is a non-access stratum (NAS) message.

26. The WTRU of claim 25 , wherein the message is a tracking area update (TAU) message.

27. The WTRU of claim 24 , wherein the receiver is configured to receive, from a network, information for updating the list of allowed CSG IDs, wherein the information includes the CSG ID, and wherein the processor is configured to add the CSG ID to the list of allowed CSG IDs by updating the list of allowed CSG IDs using the received information.

28. The WTRU of claim 27 , wherein the information for updating the list of allowed CSG IDs is received using non-access stratum (NAS) signaling and/or open mobile alliance (OMA) mechanisms.

29. The WTRU of claim 23 , wherein the receiver is configured to receive, from a network, information for updating the list of allowed CSG IDs, wherein the information includes the CSG ID, and wherein the processor is configured to add the CSG ID to the list of allowed CSG IDs by updating the list of allowed CSG IDs using the received information.

30. The WTRU of claim 29 , wherein the information for updating the list of allowed CSG IDs is received using non-access stratum (NAS) signaling and/or open mobile alliance (OMA) mechanisms.

31. The WTRU of claim 23 , wherein:

the receiver is configured to receive, from a network, information for populating the list of allowed CSG IDs; and

the processor is configured to populate the list of allowed CSG IDs using the received information.

32. The WTRU of claim 23 , wherein the CSG indication is one-bit.