Abstract
Disclosed is a method for applying an extended access barring (EAB) the method performed by a machine type communication (MTC) device and comprising: recognizing by an upper layer of the MTC device a change from being operated in an override low priority to being operated in a low priority; informing by the upper layer a lower layer that the priority has been changed; and determining by the lower layer whether to apply the EAB to handle at least one of an attach request a tracking area update request and a service request. If the EAB is applied a RRC connection is barred.
Technologies
Machine Type Communication (MTC)
Product
Use Cases
Wireless communication
Services
Claim
1. A method for applying an extended access barring (EAB), the method performed by a machine type communication (MTC) device, the method comprising:
receiving, by the MTC device set to override a low priority, a non-access stratum (NAS) configuration Management Object (MO) including EAB information; and
determining whether to apply the EAB based on the EAB information and a setting related to the low priority, to handle at least one of an attach request, a tracking area update request, and a service request;
if the EAB is applied, except for satisfying a plurality of conditions, including a first condition specifying if the MTC device is configured to allow overriding EAB, a second condition specifying if the MTC device is set to override the low priority, and a third condition specifying if the MTC device receives an indication from an upper layer to override EAB, then indicating to a lower layer that the EAB applies for at least one of the attach request, the tracking area update request, and the service request,
wherein it is determined that the EAB is applied if the setting is changed to the low priority from overriding the low priority, and
wherein, if the EAB is applied, a radio resource control (RRC) connection is barred.
2. The method of claim 1, further comprising:
receiving system information including at least one EAB parameter,
wherein the system information is broadcasted within a cell, and
wherein the at least one EAB parameter is taken into account when determining whether to apply the EAB.
3. The method of claim 2, wherein the EAB parameter includes at least one of:
a bitmap parameter indicating classes for which access is barred;
a category parameter indicating a category of devices for which the EAB applies; and
a list of Public Land Mobile Network (PLMN).
4. The method of claim 1, further comprising:
notifying a NAS layer of a network node that the priority has been changed; and
receiving an instruction to apply the EAB from the NAS layer of the network node.
5. The method of claim 1, wherein:
the upper layer corresponds to a NAS layer; and
the lower layer corresponds to a RRC layer.
6. A machine type communication (MTC) device for applying an extended access barring (EAB), the MTC device comprising:
a radio frequency (RF) unit configured to receive a non-access stratum (NAS) configuration Management Object (MO) including the EAB information;
a processor configured to:
override a low priority;
determine whether to apply the EAB based on the EAB information and a setting related to the low priority, to handle at least one of an attach request, a tracking area update request, and a service request; and
if the EAB is applied, except for satisfying a plurality of conditions, including a first condition specifying if the MTC device is configured to allow overriding EAB, a second condition specifying if the MTC device is set to override the low priority, and a third condition specifying if the MTC device receives an indication from an upper layer to override EAB, then indicate to a lower layer that the EAB applies for at least one of the attach request, the tracking area update request, and the service request,
wherein it is determined that the EAB is applied if the setting is changed to the low priority from overriding the low priority, and
wherein, if the EAB is applied, a radio resource control (RRC) connection is barred.
7. The MTC device of claim 6, wherein:
the RF unit is further configured to receive system information including at least one EAB parameter; and
the system information is broadcasted within a cell.
8. The method of claim 7, wherein the EAB parameter includes at least one of:
a bitmap parameter indicating classes for which access is barred;
a category parameter indicating a category of devices for which the EAB applies; and
a list of Public Land Mobile Network (PLMN).
9. The method of claim 6, wherein the processor is further configured to:
notify a NAS layer of a network node that the priority has been changed; and
receive an instruction to apply the EAB from the NAS layer of the network node.
10. The method of claim 6, wherein:
the upper layer corresponds to a NAS layer; and
the lower layer corresponds to a RRC layer.
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Note:
The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
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