Method and apparatus for informing a radio access network of a selected core network from user equipment in a network sharing system
First Claim
1. A method for performing an initial direct transfer (IDT) by a user equipment (UE) in a communication system, the method comprising:
- initiating, by the UE, an IDT procedure when an upper layer requests to establish a signaling connection to a network;
determining, by the UE on a current radio resource control (RRC) connection, if a multiple Public Land Mobile Network (PLMN) list was broadcasted in a cell where the current RRC connection was established;
if the multiple PLMN list was broadcasted in the cell where the current RRC connection was established, setting, by the UE, a PLMN identifier (ID) in an IDT message to a PLMN chosen among the PLMNs in the multiple PLMN list; and
transmitting, by the UE, the IDT message including the PLMN ID.
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Accused Products
Abstract
A method of informing a selected CN operator from a UE to a RAN in an NS system where a plurality of CN operators shares the RAN is provided. Upon request of transmission of an IDT, the UE acquires a CN operator ID selected from a multi-ID list broadcasted from a cell in which an RRC connection has been established, and transmits an IDT message with the selected CN operator ID to the RAN. Upon receipt of the IDT message, the RAN determines whether the IDT message includes a selected CN operator ID. In the presence of the selected CN operator ID, the RAN stores the selected CN operator ID in a UE context. In the absence of the selected CN operator ID, the RAN reads a stored selected CN operator ID from the UE context. The RAN then selects a CN operator using the selected CN operator ID.
14 Citations
21 Claims
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1. A method for performing an initial direct transfer (IDT) by a user equipment (UE) in a communication system, the method comprising:
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initiating, by the UE, an IDT procedure when an upper layer requests to establish a signaling connection to a network; determining, by the UE on a current radio resource control (RRC) connection, if a multiple Public Land Mobile Network (PLMN) list was broadcasted in a cell where the current RRC connection was established; if the multiple PLMN list was broadcasted in the cell where the current RRC connection was established, setting, by the UE, a PLMN identifier (ID) in an IDT message to a PLMN chosen among the PLMNs in the multiple PLMN list; and transmitting, by the UE, the IDT message including the PLMN ID. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for performing an initial direct transfer (IDT) by a network in a communication system, the method comprising:
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receiving an IDT message for establishing a signaling connection from a user equipment (UE); acquiring a Public Land Mobile Network identifier (PLMN ID) from the IDT message, the PLMN ID is an ID of a PLMN chosen among PLMNs in a multiple PLMN list broadcast from a cell where a radio resource control (RRC) connection was established, the RRC connection being a current RRC connection of the UE that initiates an IDT procedure; storing the PLMN ID; choosing a PLMN using the PLMN ID; and connecting the PLMN corresponding to the PLMN ID. - View Dependent Claims (9, 10, 11)
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12. An apparatus for performing an initial direct transfer (IDT) in a communication system, the apparatus comprising:
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a controller configured to; initiate an IDT procedure when an upper layer requests to establish a signaling connection to a network, determine if a multiple Public Land Mobile Network (PLMN) list was broadcasted in a cell where a current RRC connection of a user equipment (UE) was established, and if the multiple PLMN list was broadcasted in the cell where the current RRC connection was established, set a PLMN identifier (ID) in an IDT message to a chosen PLMN among PLMNs in the multiple PLMN list; and a transmitter configured to transmit the IDT message including PLMN ID. - View Dependent Claims (13, 14, 15, 16, 17)
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18. An apparatus for performing an initial direct transfer (IDT) in a communication system, the apparatus comprising:
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a receiver configured to receive an IDT message for establishing a signaling connection from a user equipment (UE); a controller configured to; acquire a Public Land Mobile Network identifier (PLMN ID) from the IDT message, the PLMN is an ID of a PLMN ID chosen among PLMNs in a multiple PLMN list broadcast from a cell where a radio resource control (RRC) connection was established, the RRC connection being a current RRC connection of the UE that initiates an IDT procedure, choose a PLMN using the PLMN ID, and control a connection between the UE and the PLMN corresponding to the PLMN ID; a memory configured to store the PLMN ID; and a transmitter configured to communicate with the UE and the PLMN. - View Dependent Claims (19, 20, 21)
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Specification