Security protection for radio access network (ran)
AssigneeT-Mobile Innovations LLC
InventorsJohn HUMBERT, Jun LIU, Jean TRAKINAT, Mark YOUNGE
Life of this patent
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Abstract
A method performed by a user equipment (UE) in a wireless communication system, the method including receiving, from a base station (BS), system information associated with a cell; and performing an authentication procedure with the BS, wherein the performing the authentication procedure includes receiving, from the BS, a challenge message comprising first shared secret information; transmitting, to the BS, a challenge response message comprising second shared secret information; and receiving, from the BS, an approval message; and initiating a cell camping procedure based on the approval message.
Claims20
A method performed by a user equipment (UE) in a wireless communication system, the method comprising:
- receiving, from a base station (BS), system information associated with a cell;
- and
- performing an authentication procedure with the BS, wherein the performing the authentication procedure comprises:
- receiving, from the BS, a challenge message comprising first shared secret information or a first variable;
- transmitting, to the BS, a challenge response message comprising second shared secret information;
- and
- receiving, from the BS, an approval message;
- and
- initiating a cell camping procedure based on the authentication procedure.
A method performed by a base station (BS) serving a cell in a wireless communication system, the method comprising:
- transmitting system information associated with the cell;
- and
- performing an authentication procedure with a user equipment (UE), wherein the performing the authentication procedure comprises:
- transmitting, to the UE, a challenge message comprising first pre-shared secret information;
- receiving, from the UE, a challenge response message comprising second pre-shared secret information;
- and
- transmitting, to the UE, an approval message;
- receiving, from the UE, an initiation of a camping procedure based on the authentication procedure.
A method performed by a user equipment (UE) in a wireless communication system, the method comprising:
- acquiring, from a base station (BS) associated with a cell, a master information block (MIB) comprising a secure token;
- comparing the secure token in the MIB to a secure token associated with the UE;
- and
- continuing to acquire system information associated with the cell based on a match between the secure token in the MIB and the secure token associated with the UE.
Dependencies are inferred from the claim text.