System and method for fast network re-entry in a broadband wireless access communication system
First Claim
1. A method for network re-entry of a serving base station in a communication system, the method comprising the steps oftransmitting a deregistration command message including information to a mobile station,wherein the information includes an initiation request of an idle state and session information indicating whether at least one operational information among a network re-entry procedure is retained or omitted.
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Accused Products
Abstract
A system and method for fast network re-entry in a broadband wireless access communication system. A mobile station transmits a first message requiring fast network re-entry to a base station and performs the fast network re-entry together with the base station when receiving a second message approving the fast network re-entry from the base station. The base station receives the first message, authenticates the first message using final session information of the mobile station that is previously stored in the base station, transmits the second message to the mobile station when succeeding in authentication of the first message, and performs the fast network re-entry together with the mobile station.
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Citations
20 Claims
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1. A method for network re-entry of a serving base station in a communication system, the method comprising the steps of
transmitting a deregistration command message including information to a mobile station, wherein the information includes an initiation request of an idle state and session information indicating whether at least one operational information among a network re-entry procedure is retained or omitted.
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3. A method for network re-entry of a mobile station in a communication system, the method comprising the steps of:
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receiving a deregistration command message including information from a serving base station, wherein the information includes an initiation request of an idle state and session information indicating whether at least one operational information among a network re-entry procedure is retained or omitted.
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4. A method for network re-entry in a communication system, the method comprising the steps of:
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transmitting, by a serving base station to a mobile station in an active state, a deregistration command message for requesting transition into an idle state, the deregistration command message including information representing whether session information for a network re-entry is retained; receiving, by a target base station, a ranging request message for the network re-entry, from the mobile station in the idle state; and transmitting, by the target base station, to the mobile station, a ranging response message that includes the session information representing whether at least one network re-entry process among a network re-entry procedure is omitted or required. - View Dependent Claims (5)
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6. A method for network re-entry of a mobile station in a communication system, the method comprising the steps of:
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receiving, from a serving base station, a deregistration command message for requesting transition into an idle state, the deregistration command message including information representing whether session information for a network re-entry is retained; transmitting, to a target base station, by the mobile station in an idle state, a ranging request message for requesting the network re-entry; and receiving, from the target base station, a ranging response message that includes session information representing whether at least one network re-entry process among a network re-entry procedure is omitted or required. - View Dependent Claims (7)
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8. A system for fast network re-entry in a communication system, the system comprising:
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a mobile station; and a base station for transmitting a deregistration command message including information to the mobile station, wherein the information includes a request to transition into an idle state and session information indicating whether at least one operational information among a network re-entry procedure is retained or omitted. - View Dependent Claims (9)
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10. A system for fast network re-entry in a communication system, the system comprising:
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a base station; and a mobile station for receiving a deregistration command message including information from the base station, wherein the information includes a request to transition into an idle state and session information indicating whether at least one operational information among a network re-entry procedure is retained or omitted.
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11. A method for network re-entry of a mobile station in a broadband wireless access communication system, the method comprising the steps of:
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transmitting a first message requesting network re-entry to a base station in order to perform network re-entry to the base station in an idle state; receiving a second message in response to the request of the network re-entry from the base station, wherein the second message includes information indicating whether at least one process among network re-entry procedures may be omitted; and performing the network re-entry with the base station. - View Dependent Claims (12, 13, 14, 15)
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16. A system for network re-entry in a broadband wireless access communication system, the system comprising:
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a base station; and a mobile station for transmitting a first message requesting network re-entry to the base station in order to perform network re-entry to the base station in an idle state, receiving a second message in response to the request of the network re-entry from the base station, and performing the network re-entry with the base station, wherein the second message includes information indicating whether at least one process among network re-entry procedures may be omitted. - View Dependent Claims (17, 18, 19, 20)
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Specification