# US 2018/0324673 A1 · Unified access control

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- Number: US 2018/0324673 A1
- Document ID: US20180324673A1
- Status: Published application
- Kind: A1
- Application number: 15/970,712
- Filed: 2018-05-03
- Published: 2018-11-08
- Earliest claimed: 2017-05-06
- Assignees: QUALCOMM Incorporated
- Applicants: QUALCOMM Incorporated
- Inventors: Ozcan OZTURK; Lenaig Genevieve CHAPONNIERE; Gavin Bernard HORN; Miguel GRIOT
- Web page: https://patentgrep.com/patent/US20180324673A1

## CPC

- H04W 48/02: Access restriction performed under specific conditions
- H04W 48/10: using broadcasted information
- H04W 48/08: Access restriction or access information delivery, e.g. discovery data delivery (signalling during connection H04W76/00)
- H04W 48/12: using downlink control channel
- H04W 84/042: {Public Land Mobile systems, e.g. cellular systems}
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

Certain aspects of the present disclosure relate to methods and apparatus for configuring a user equipment (UE) to perform access control, for example, applying rules that differentiate between states (e.g., idle, inactive, and connected states) of the UE.

## Claims

### Claim 1

A method for performing access control by a user equipment (UE), comprising:
obtaining access barring parameters, wherein the access barring parameters include different access attempt factors, per access category, for the UE to apply performing access barring checks in different states; and
performing access barring checks, based on a mapping of access attempts to access categories and depending on the access attempt factors for a current state of the UE.

### Claim 2 (depends on 1)

The method of claim 1, wherein the access barring parameters provide:
a first mapping of an access attempt to an access category for the UE to apply when transitioning to a connected mode from an idle or inactive mode; and
a second mapping of the access attempt to an access category for the UE to apply when in the connected mode.

### Claim 3 (depends on 2)

The method of claim 2, wherein the first mapping is based on an application type.

### Claim 4 (depends on 2)

The method of claim 2, wherein the second mapping, is based on at least one of a bearer ID, a quality of service (QoS) flow ID (QFI), or a QoS Indicator.

### Claim 5 (depends on 4)

The method of claim 4, further comprising deriving the access category for each QoS flow and/or bearer when a new bearer and/or QoS flow is added and/or the access barring parameters are updated.

### Claim 6 (depends on 2)

The method of claim 2, wherein the second mapping, for signaling traffic, is based on different priorities for different RRC or NAS procedures.

### Claim 7 (depends on 2)

The method of claim 2, wherein the UE obtains configuration for the first mapping while in the connected mode.

### Claim 8 (depends on 7)

The method of claim 7, wherein the UE maintains the configuration for at least one of:
a specified duration;
until the UE is reconfigured; or
the UE moves to a new cell.

### Claim 9 (depends on 1)

The method of claim 1, wherein at least a first portion of the access barring parameters are obtained via broadcast signaling.

### Claim 10 (depends on 9)

The method of claim 9, wherein at least a second portion of the access barring parameters are obtained via dedicated signaling.

### Claim 11 (depends on 1)

The method of claim 1, wherein the access barring parameters comprise barring information for each category.

### Claim 12 (depends on 1)

The method of claim 1, further comprising receiving an indication of a priority of broadcast access barring parameters relative to access barring parameters signaled via dedicated signaling.

### Claim 13 (depends on 1)

The method of claim 1, wherein the access barring parameters are signaled in one or more messages.

### Claim 14 (depends on 13)

The method of claim 13, wherein one of the messages has part of the broadcast access parameters and indicates the existence additional parameters.

### Claim 15

A method for performing access control by a network entity, comprising:
determining access barring parameters that include different access attempt factors, per access category, for at least one user equipment (UE) to apply performing access barring checks in different states; and
signaling the access barring parameters to the UE.

### Claim 16 (depends on 15)

The method of claim 15, wherein the access barring parameters provide:
a first mapping of an access attempt to an access category for the UE to apply when transitioning to a connected mode from an idle or inactive mode; and
a second mapping of the access attempt to an access category for the UE to apply when in the connected mode.

### Claim 17 (depends on 16)

The method of claim 16, wherein the first mapping is based on an application type.

### Claim 18 (depends on 16)

The method of claim 16, wherein the second mapping, is based on at least one of a bearer ID, a quality of service (QoS) flow ID (QFI), or a QoS Indicator.

### Claim 19 (depends on 16)

The method of claim 16, wherein the second mapping, for signaling traffic, is based on different priorities for different RRC or NAS procedures.

### Claim 20 (depends on 16)

The method of claim 16, wherein the network entity signals configuration for the first mapping while the UE is in the connected mode.

### Claim 21 (depends on 20)

The method of claim 20, wherein the UE is configured to maintain the configuration for at least one of:
a specified duration;
until the UE is reconfigured; or
the UE moves to a new cell.

### Claim 22 (depends on 15)

The method of claim 15, wherein at least a first portion of the access barring parameters are signaled via broadcast signaling.

### Claim 23 (depends on 22)

The method of claim 22, wherein at least a second portion of the access barring parameters is signaled via dedicated signaling.

### Claim 24 (depends on 15)

The method of claim 15, wherein the access barring parameters comprise barring information for each category.

### Claim 25 (depends on 15)

The method of claim 15, further comprising providing an indication of a priority of broadcast access barring parameters relative to access barring parameters signaled via dedicated signaling.

### Claim 26 (depends on 15)

The method of claim 15, wherein the access barring parameters are signaled in one or more messages.

### Claim 27 (depends on 26)

The method of claim 26, wherein one of the messages has part of the broadcast access parameters and indicates the existence additional parameters.

### Claim 28

An apparatus for performing access control by a user equipment (UE), comprising:
means for obtaining access barring parameters, wherein the access barring parameters include different access attempt factors, per access category, for the UE to apply performing access barring checks in different states; and
means for performing access barring checks, based on a mapping of access attempts to access categories and depending on the access attempt factors for a current state of the UE.

### Claim 29

An apparatus for performing access control by a network entity, comprising:
means for determining access barring parameters that include different access attempt factors, per access category, for at least one user equipment (UE) to apply performing access barring checks in different states; and
means for signaling the access barring parameters to the UE.
