METHOD AND APPARATUS TO PREVENT RAN (RADIO ACCESS NETWORK) OVERLOAD FOR LEGACY NETWORKS IN A WIRELESS COMMUNICATION SYSTEM
First Claim
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1. A method to prevent RAN (Radio Access Network) overload, comprising:
- initiating a RRC (Radio Resource Control) connection establishment procedure to access a cell;
performing an access barring check; and
extending a barring time or a barring factor autonomously.
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Abstract
A method and apparatus are disclosed to prevent RAN (Radio Access Network) overload for legacy networks in a wireless communication system. In one embodiment, the method comprise initiating a RRC (Radio Resource Control) connection establishment procedure to access a cell. The method further comprises performing an access barring check. The method also comprises extending a barring time autonomously.
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Citations
24 Claims
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1. A method to prevent RAN (Radio Access Network) overload, comprising:
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initiating a RRC (Radio Resource Control) connection establishment procedure to access a cell; performing an access barring check; and extending a barring time or a barring factor autonomously. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method to prevent RAN (Radio Access Network) overload, comprising:
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initiating a RRC (Radio Resource Control) connection establishment procedure to access a cell; performing an access barring check during the RRC connection establishment procedure; and setting a lower bound of a range to be a value larger than zero when generating a random number; wherein the random number is used to compare with a received access class barring factor. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method to prevent RAN (Radio Access Network) overload, comprising:
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initiating a RRC (Radio Resource Control) connection re-establishment procedure; selecting a cell during the RRC connection establishment procedure to broadcast EAB (Extended Access Barring) information; broadcasting, from the selected cell, the EAB (Extended Access Barring) information that includes specific barring information; and applying the specific barring information for the RRC connection re-establishment procedure. - View Dependent Claims (21, 22, 23, 24)
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Specification