# US 12,010,202 B2 · Data unit in wireless system

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- Number: US 12,010,202 B2
- Document ID: US12010202B2
- Status: Granted
- Kind: B2
- Application number: 18/388,378
- Filed: 2023-11-09
- Published: 2024-02-29
- Granted: 2024-06-11
- Earliest claimed: 2021-12-29
- Assignees: Ofinno, LLC
- Applicants: Ofinno, LLC
- Inventors: Sungduck Chun; Kyungmin Park; Esmael Hejazi Dinan; Peyman Talebi Fard; Weihua Qiao; Damian Ruiz Coll; Vinod Kumar Malamal Vadakital; Vasily Alexeevich Rufitskiy
- Web page: https://patentgrep.com/patent/US12010202B2

## CPC

- H04L 47/24: Traffic characterised by specific attributes, e.g. priority or QoS
- H04L 69/22: Parsing or analysis of headers
- H04L 45/306: {Route determination based on the nature of the carried application}
- H04L 47/2441: relying on flow classification, e.g. using integrated services [IntServ]
- H04L 65/1073: Registration or de-registration
- H04L 65/80: Responding to QoS
- 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 76/12: Setup of transport tunnels
- H04L 47/34: ensuring sequence integrity, e.g. using sequence numbers
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

A user plane function UPF receives, from a SMF, a DU identification information for identifying a plurality of packets for one or more DUs of an application. The UPF receives a first plurality of packets, of the plurality of packets, of a first DU of the application; and a second plurality of packets, of the plurality of packets, of a second DU of the application. The UPF sends, to an access node and using the DU identification information a first GTP container comprising a first GTP header comprising a first number identifying the first plurality of packets, and a second GTP container comprising a second GTP header comprising a second number identifying the second plurality of packets.

## Claims

### Claim 1

A method comprising:
receiving, by a user plane function (UPF) from a session management function (SMF), a data unit (DU) identification information for identifying a plurality of packets for one or more DUs of an application;
receiving, by the UPF:
a first plurality of packets, of the plurality of packets, of a first DU of the application; and
a second plurality of packets, of the plurality of packets, of a second DU of the application; and
sending, by the UPF to an access node and using the DU identification information:
a first general packet radio service tunneling protocol (GTP) container comprising a first GTP header comprising a first number identifying the first plurality of packets; and
a second GTP container comprising a second GTP header comprising a second number identifying the second plurality of packets.

### Claim 2 (depends on 1)

The method of claim 1, wherein: the first GTP container further comprises a first packet of the first plurality of packets; and the second GTP container further comprises a second packet of the second plurality of packets.

### Claim 3 (depends on 2)

The method of claim 2, wherein the UPF determines the first number for the first packet and the second number of the second packet, based on the DU identification information.

### Claim 4 (depends on 1)

The method of claim 1, wherein the DU identification information indicates one or more header fields of one or more packets.

### Claim 5 (depends on 4)

The method of claim 4, wherein the one or more header fields comprises at least a real-time transport protocol (RTP) header.

### Claim 6 (depends on 1)

The method of claim 1, wherein the DU identification information indicates one or more protocols used for identifying the first number or the second number.

### Claim 7 (depends on 1)

The method of claim 1, wherein a packet forwarding control protocol (PFCP) message comprises the DU identification information.

### Claim 8

A user plane function (UPF) comprising one or more processors and memory storing instructions that, when executed by the one or more processors, cause the UPF to:
receive, from a session management function (SMF), a data unit (DU) identification information for identifying a plurality of packets for one or more DUs of an application;
receive:
a first plurality of packets, of the plurality of packets, of a first DU of the application; and
a second plurality of packets, of the plurality of packets, of a second DU of the application; and
send, to an access node and using the DU identification information:
a first general packet radio service tunneling protocol (GTP) container comprising a first GTP header comprising a first number identifying the first plurality of packets; and
a second GTP container comprising a second GTP header comprising a second number identifying the second plurality of packets.

### Claim 9 (depends on 8)

The UPF of claim 8, wherein: the first GTP container further comprises a first packet of the first plurality of packets; and the second GTP container further comprises a second packet of the second plurality of packets.

### Claim 10 (depends on 9)

The UPF of claim 9, wherein the UPF determines the first number for the first packet and the second number of the second packet, based on the DU identification information.

### Claim 11 (depends on 8)

The UPF of claim 8, wherein the DU identification information indicates one or more header fields of one or more packets.

### Claim 12 (depends on 11)

The UPF of claim 11, wherein the one or more header fields comprises at least a real-time transport protocol (RTP) header.

### Claim 13 (depends on 8)

The UPF of claim 8, wherein the DU identification information indicates one or more protocols used for identifying the first number or the second number.

### Claim 14 (depends on 8)

The UPF of claim 8, wherein a packet forwarding control protocol (PFCP) message comprises the DU identification information.

### Claim 15

A non-transitory computer-readable medium comprising instructions that, when executed by one or more processors, cause a user plane function (UPF) to:
receive, from a session management function (SMF), a data unit (DU) identification information for identifying a plurality of packets for one or more DUs of an application;
receive:
a first plurality of packets, of the plurality of packets, of a first DU of the application; and
a second plurality of packets, of the plurality of packets, of a second DU of the application; and
send, to an access node and using the DU identification information:
a first general packet radio service tunneling protocol (GTP) container comprising a first GTP header comprising a first number identifying the first plurality of packets; and
a second GTP container comprising a second GTP header comprising a second number identifying the second plurality of packets.

### Claim 16 (depends on 15)

The computer-readable medium of claim 15, wherein: the first GTP container further comprises a first packet of the first plurality of packets; and the second GTP container further comprises a second packet of the second plurality of packets.

### Claim 17 (depends on 16)

The computer-readable medium of claim 16, wherein the UPF determines the first number for the first packet and the second number of the second packet, based on the DU identification information.

### Claim 18 (depends on 15)

The computer-readable medium of claim 15, wherein the DU identification information indicates one or more header fields of one or more packets.

### Claim 19 (depends on 18)

The computer-readable medium of claim 18, wherein the one or more header fields comprises at least a real-time transport protocol (RTP) header.

### Claim 20 (depends on 15)

The computer-readable medium of claim 15, wherein the DU identification information indicates one or more protocols used for identifying the first number or the second number.