METHOD AND APPARATUS FOR MANAGING SYSTEM INFORMATION IN WIRELESS COMMUNICATION SYSTEM SUPPORTING MULTI-CARRIERS
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Abstract
Discussed are a method and an apparatus for managing system information in a wireless communication system supporting multi-carriers. According to one embodiment of the present invention, a method by which user equipment obtains system information in a wireless communication system supporting multi-carriers comprises the steps of: receiving from a base station a message including information related to modification to system information of one or more component carriers; determining whether the system information of a component carrier from among the plurality of component carriers, which is set to the user equipment, is to be modified, based on the information related to the modification to the system information of the one or more component carriers; and obtaining the modified system information of the component carrier set at the user equipment when it is determined that the system information of the component carrier set at the user equipment is to be modified.
33 Citations
34 Claims
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1-20. -20. (canceled)
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21. A method of obtaining system information by a user equipment in a wireless communication system supporting multi-carriers, the method comprising:
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receiving a message including information on a system information modification (systemInfoModification) of at least one component carrier from a base station; determining whether the system information of a component carrier set for the user equipment among the at least one component carrier is to be modified, based on the information on the system information modification of the at least one component carrier; and obtaining the modified system information of the component carrier set for the user equipment, if the system information of the component carrier set for the user equipment is determined to be modified. - View Dependent Claims (22, 23, 24, 25, 26)
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27. A method of providing system information to a user equipment by a base station in a wireless communication system supporting multi-carriers, the method comprising:
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transmitting a message including information on a system information modification (systemInfoModification) of at least one component carrier; and transmitting a modified system information of the at least one component carrier, wherein the message including information on the system information modification of the at least one component carrier is used to determine whether the system information of a component carrier set for the user equipment among the at least one component carrier is to be modified, and wherein the modified system information of the at least one component carrier is obtained as the modified system information of the component carrier set for the user equipment by the user equipment, if the system information of the component carrier set for the user equipment is determined to be modified. - View Dependent Claims (28, 29, 30, 31, 32)
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33. A user equipment for obtaining system information in a wireless communication system supporting multi-carriers, the user equipment comprising:
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a processor comprising; an RRC (Radio Resource Control) layer module performing a RRC connection control function including a paging; a MAC (medium access control) layer module controlling signal transmission and reception set for the user equipment via the multi-carriers; and a physical layer module functionally connected with the MAC layer module, the physical layer module performing the signal transmission and reception via the multi-carriers set for the user equipment, the processor is configured to; receive a message including information on a system information modification (systemInfoModification) of at least one component carrier from a base station, determine whether the system information of a component carrier set for the user equipment among the at least one component carrier is to be modified, based on the information on the system information modification of the at least one component carrier via the RRC layer module, obtain the modified system information of the component carrier set for the user equipment, if the system information of the component carrier set for the user equipment is determined to be modified.
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34. A base station for providing system information in a wireless communication system supporting multi-carriers, the base station comprising:
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a processor comprising; an RRC (radio resource control) layer module performing a RRC connection control function including a paging; a MAC (medium access control) layer module controlling signal transmission and reception set for the user equipment via the multi-carriers; and a physical layer module functionally connected with the MAC layer module, the physical layer module performing the signal transmission and reception via the multi-carriers, the processor is configured to; transmit a message including information on a system information modification (systemInfoModification) of at least one component carrier via the physical layer module and transmit a modified system information of the at least one component carrier, wherein the message including information on the system information modification of the at least one component carrier is used by the user equipment to determine whether the system information of a component carrier set for the user equipment among the at least one component carrier is to be modified, and wherein the modified system information of the at least one component carrier is obtained as the modified system information of the component carrier set for the user equipment by the user equipment, if the system information of the component carrier set for the user equipment is determined to be modified.
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Specification