# US 12,764,596 B2 · Systems and methods for seamlessly providing Quality of Service continuity in a wireless network

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- Number: US 12,764,596 B2
- Document ID: US12764596B2
- Status: Granted
- Kind: B2
- Application number: 18/471,839
- Filed: 2023-09-21
- Published: 2025-03-27
- Granted: 2026-10-13
- Earliest claimed: 2023-09-21
- Assignees: Verizon Patent and Licensing Inc.
- Applicants: Verizon Patent and Licensing Inc.
- Inventors: Syed Rehman; Ravi Sharma; Ambreen Habib; Raghuram Parvataneni; Parry Cornell Booker
- Web page: https://patentgrep.com/patent/US12764596B2

## CPC

- H04W 28/0268: {using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR] (negotiating SLA or negotiating QoS H04W28/24)}
- H04W 76/10: Connection setup
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

A system described herein may maintain a set of Quality of Service (“QoS”) parameters associated with a particular User Equipment (“UE”). The system may provide the set of QoS parameters to a policy element of a wireless network, wherein the wireless network establishes a first dedicated bearer with the particular UE, which may be associated with the set of QoS parameters. The system may receive, after the first dedicated bearer is established, information indicating an occurrence of a particular event associated with the particular UE, and may output, to a policy element of the wireless network, a request to establish a second dedicated bearer with the particular UE. The wireless network may establish the second dedicated bearer with the particular UE, which may be associated with the set of QoS parameters.

## Claims

### Claim 1

A device, comprising:
one or more processors configured to:
maintain a set of Quality of Service (“QoS”) parameters associated with a particular User Equipment (“UE”) and a particular service type;
provide the set of QOS parameters to a policy element of a wireless network, wherein the wireless network establishes a first dedicated bearer between the particular UE and a first gateway of the wireless network, wherein the first dedicated bearer is associated with the set of QOS parameters;
receive, after the first dedicated bearer is established, information indicating an occurrence of a particular event associated with the particular UE;
identify, based on the information indicating the occurrence of the particular event associated with the particular UE, a second gateway of the wireless network that is associated with the particular UE and the particular service type; and
output, to the policy element of the wireless network and based on receiving the information indicating the occurrence of the particular event associated with the particular UE, a request to establish a second dedicated bearer between the particular UE and the second gateway, wherein the request includes the set of QoS parameters, wherein the wireless network establishes the second dedicated bearer with the particular UE based on receiving the request to establish the second dedicated bearer, wherein the second dedicated bearer is associated with the set of QoS parameters.

### Claim 2 (depends on 1)

The device of claim 1, wherein the policy element of the wireless network includes at least one of:
a Policy Control Function (“PCF”), or
a Policy Charging and Rules Function (“PCRF”).

### Claim 3 (depends on 1)

The device of claim 1, wherein the one or more processors are further configured to:
subscribe to mobility events associated with the particular UE, wherein the particular event includes a particular mobility event associated with the particular UE.

### Claim 4 (depends on 3)

The device of claim 3, wherein the particular mobility event includes a movement of the particular UE from a first geographical region associated with the first gateway of the wireless network to a second geographical region associated with the second gateway of the wireless network.

### Claim 5 (depends on 4)

The device of claim 4, wherein the first gateway includes at least one of:
a User Plane Function (“UPF”), or
a Packet Data Network (“PDN”) gateway (“PGW”).

### Claim 6 (depends on 3)

The device of claim 3, wherein subscribing to the mobility events associated with the particular UE includes outputting a subscription request to at least one of:
an Access and Mobility Management Function (“AMF”) of the wireless network, or
a Mobility Management Entity (“MME”) of the wireless network.

### Claim 7

A non-transitory computer-readable medium, storing a plurality of processor-executable instructions to:
maintain a set of Quality of Service (“QoS”) parameters associated with a particular User Equipment (“UE”) and a particular service type;
provide the set of QOS parameters to a policy element of a wireless network, wherein the wireless network establishes a first dedicated bearer between the particular UE and a first gateway of the wireless network, wherein the first dedicated bearer is associated with the set of QoS parameters;
receive, after the first dedicated bearer is established, information indicating an occurrence of a particular event associated with the particular UE;
identify, based on the information indicating the occurrence of the particular event associated with the particular UE, a second gateway of the wireless network that is associated with the particular UE and the particular service type; and
output, to the policy element of the wireless network and based on receiving the information indicating the occurrence of the particular event associated with the particular UE, a request to establish a second dedicated bearer between the particular UE and the second gateway, wherein the request includes the set of QoS parameters, wherein the wireless network establishes the second dedicated bearer with the particular UE based on receiving the request to establish the second dedicated bearer, wherein the second dedicated bearer is associated with the set of QOS parameters.

### Claim 8 (depends on 7)

The non-transitory computer-readable medium of claim 7, wherein the policy element of the wireless network includes at least one of:
a Policy Control Function (“PCF”), or
a Policy Charging and Rules Function (“PCRF”).

### Claim 9 (depends on 7)

The non-transitory computer-readable medium of claim 7, wherein the plurality of processor-executable instructions further include processor-executable instructions to:
subscribe to mobility events associated with the particular UE, wherein the particular event includes a particular mobility event associated with the particular UE.

### Claim 10 (depends on 9)

The non-transitory computer-readable medium of claim 9, wherein the particular mobility event includes a movement of the particular UE from a first geographical region associated with the first gateway of the wireless network to a second geographical region associated with the second gateway of the wireless network.

### Claim 11 (depends on 10)

The non-transitory computer-readable medium of claim 10, wherein the first gateway includes at least one of:
a User Plane Function (“UPF”), or
a Packet Data Network (“PDN”) gateway (“PGW”).

### Claim 12 (depends on 9)

The non-transitory computer-readable medium of claim 9, wherein subscribing to the mobility events associated with the particular UE includes outputting a subscription request to at least one of:
an Access and Mobility Management Function (“AMF”) of the wireless network, or
a Mobility Management Entity (“MME”) of the wireless network.

### Claim 13

A method, comprising:
maintaining a set of Quality of Service (“QoS”) parameters associated with a particular User Equipment (“UE”) and a particular service type;
providing the set of QOS parameters to a policy element of a wireless network, wherein the wireless network establishes a first dedicated bearer between the particular UE and a first gateway of the wireless network, wherein the first dedicated bearer is associated with the set of QoS parameters;
receiving, after the first dedicated bearer is established, information indicating an occurrence of a particular event associated with the particular UE;
identifying, based on the information indicating the occurrence of the particular event associated with the particular UE, a second gateway of the wireless network that is associated with the particular UE and the particular service type; and
outputting, to the policy element of the wireless network and based on receiving the information indicating the occurrence of the particular event associated with the particular UE, a request to establish a second dedicated bearer between the particular UE and the second gateway, wherein the request includes the set of QoS parameters, wherein the wireless network establishes the second dedicated bearer with the particular UE based on receiving the request to establish the second dedicated bearer, wherein the second dedicated bearer is associated with the set of QoS parameters.

### Claim 14 (depends on 13)

The method of claim 13, wherein the policy element of the wireless network includes at least one of:
a Policy Control Function (“PCF”), or
a Policy Charging and Rules Function (“PCRF”).

### Claim 15 (depends on 13)

The method of claim 13, further comprising:
subscribing to mobility events associated with the particular UE, wherein the particular event includes a particular mobility event associated with the particular UE.

### Claim 16 (depends on 15)

The method of claim 15, wherein the particular mobility event includes a movement of the particular UE from a first geographical region associated with the first gateway of the wireless network to a second geographical region associated with the second gateway of the wireless network, wherein the first gateway includes at least one of:
a User Plane Function (“UPF”), or
a Packet Data Network (“PDN”) gateway (“PGW”).

### Claim 17 (depends on 15)

The method of claim 15, wherein subscribing to the mobility events associated with the particular UE includes outputting a subscription request to at least one of:
an Access and Mobility Management Function (“AMF”) of the wireless network, or
a Mobility Management Entity (“MME”) of the wireless network.

### Claim 18 (depends on 13)

The method of claim 13, further comprising:
receiving the set of QoS parameters, via at least one of a Network Exposure Function (“NEF”) or a Service Capability Exposure Function (“SCEF”) of the wireless network, from a system associated with the particular service type.

### Claim 19 (depends on 1)

The device of claim 1, wherein the one or more processors are further configured to:
receive the set of QoS parameters, via at least one of a Network Exposure Function (“NEF”) or a Service Capability Exposure Function (“SCEF”) of the wireless network, from a system associated with the particular service type.

### Claim 20 (depends on 7)

The non-transitory computer-readable medium of claim 7, wherein the plurality of processor-executable instructions further include processor-executable instructions to:
receive the set of QoS parameters, via at least one of a Network Exposure Function (“NEF”) or a Service Capability Exposure Function (“SCEF”) of the wireless network, from a system associated with the particular service type.