IP Library Granted Patent US 12,598,464
Granted Patent B2
US 12,598,464 · App. 18/553,704 · Granted Apr 7, 2026

Policies related to non-public networks

Inventors: Roozbeh Atarius (La Jolla, CA); Genadi Velev (Darmstadt, DE); Dimitrios Karampatsis (Ruislip, GB); Apostolis Salkintzis (Athens, GR)
Assignee: Lenovo (Singapore) Pte. Ltd.
H04W12/086H04W12/37H04W40/02H04W40/246
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Quick Facts
Patent No.
US 12,598,464
App. No.
18/553,704
Granted
Apr 7, 2026
Kind
B2
Abstract

Apparatuses, methods, and systems are disclosed for policies related to non-public networks. One method includes receiving, at an access and mobility management function, a request to register a device. The method includes, in response to receiving the request to register the device, transmitting, by the access and mobility management function, a user equipment subscription data request to a unified data management. The method includes, in response to transmitting the user equipment subscription data request to the unified data management, receiving a user equipment subscription data response including a first identifier wherein the first identifier identities a stand-alone non-public network. The method includes performing an access and mobility management policy association establishment with a policy control function based on the user equipment subscription data. The method includes transparently transmitting by the policy control function a policy based on the first identifier.

Claims (32)

1 . A method performed by an access and mobility management function (AMF) that is part of a public land mobile network (PLMN) and not part of a stand-alone non-public network (NPN), the method comprising:

receiving a request to register a user equipment (UE) from the UE;

in response to receiving the request to register the UE, transmitting a UE subscription data request to a unified data management (UDM);

in response to transmitting the UE subscription data request to the UDM, receiving a UE subscription data response comprising a first identifier, wherein the first identifier identifies the stand-alone NPN;

performing an access and mobility management policy association establishment with a policy control function (PCF) based on the UE subscription data; and

after performing the access and mobility management policy association establishment, transparently receiving a UE policy section identifier list comprising the first identifier from the UE.

2 . The method of claim 1 , wherein the UE subscription data is from a unified data repository.

3 . An access and mobility management function (AMF) that is part of a public land mobile network (PLMN) and not part of a stand-alone non-public network (NPN), the AMF comprising:

at least one memory; and

at least one processor coupled with the at least one memory and configured to cause the AMF to:

receive a request to register a user equipment (UE) from the UE;

in response to receiving the request to register the UE, transmit a UE subscription data request to a unified data management (UDM);

in response to transmitting the UE subscription data request to the UDM, receive a UE subscription data response comprising a first identifier, wherein the first identifier identifies the stand-alone NPN;

perform an access and mobility management policy association establishment with a policy control function (PCF) based on the UE subscription data; and

after performing the access and mobility management policy association establishment, transparently receive a UE policy section identifier comprising the first identifier from the UE.

4 . The AMF of claim 3 , wherein the UE subscription data is from a unified data repository.

5 . A method performed by an access and mobility management function (AMF) that is part of a public land mobile network (PLMN) and not part of a stand-alone non-public network (NPN), the method comprising:

receiving a request to register a user equipment (UE) from the UE;

in response to receiving the request to register the UE, transmitting a UE subscription data request to a unified data management (UDM); and

in response to transmitting the UE subscription data request to the UDM, receiving a UE subscription data response comprising a first identifier, wherein the first identifier identifies the stand-alone NPN.

6 . The method of claim 5 , further comprising performing an access and mobility management policy association establishment with a policy control function (PCF) based on the UE subscription data.

7 . The method of claim 6 , further comprising, after performing the access and mobility management policy association establishment, transparently receiving a UE policy section identifier comprising the first identifier from the UE.

8 . The method of claim 5 , wherein the UE subscription data is from a unified data repository.

9 . An access and mobility management function (AMF) that is part of a public land mobile network (PLMN) and not part of a stand-alone non-public network (NPN), the AMF comprising:

at least one memory; and

at least one processor coupled with the at least one memory and configured to cause the AMF to:

receive a request to register a user equipment (UE) from the UE;

in response to receiving the request to register the UE, transmit a UE subscription data request to a unified data management (UDM); and

in response to transmitting the UE subscription data request to the UDM, receive a UE subscription data response comprising a first identifier, wherein the first identifier identifies the stand-alone NPN.

10 . The AMF of claim 9 , wherein the at least one processor is configured to cause the AMF to perform an access and mobility management policy association establishment with a policy control function (PCF) based on the UE subscription data.

11 . The AMF of claim 10 , wherein the at least one processor is configured to cause the AMF to, after performing the access and mobility management policy association establishment, transparently receive a UE policy section identifier comprising the first identifier from the UE.

12 . The AMF of claim 9 , wherein the UE subscription data is from a unified data repository.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 12, 2023
From: ATARIUS, ROOZBEH; VELEV, GENADI; KARAMPATSIS, DIMITRIOS; SALKINTZIS, APOSTOLIS
To: LENOVO (SINGAPORE) PTE. LTD.
Reel/Frame 065202/0915 →
Continuity (1)
Related Publication 20240187863A1 · Jun 6, 2024
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