Granted Patent B2

US 12,507,112 · App. 18/314,504 · Granted Dec 23, 2025

Inventors: Zheng Fang (McLean, VA); George Jason Schnellbacher (Leawood, KS)

Assignee: T-Mobile USA, Inc.

H04W28/0247H04L47/26H04W24/02

Abstract

Claims (81)

1 . A computer-implemented method for optimizing 5G telecommunications network reliability, the method comprising:

associating, by a 5G server system, a first network slice of a 5G telecommunications network with a wireless device;

establishing, by the 5G server system, a 5G wireless connection between the wireless device and a data network (DN) subsystem,

wherein the 5G wireless connection between the wireless device and the DN subsystem is through the first network slice;

generating, by a user plane function (UPF) subsystem of the 5G network server system, an aggregated wireless connection between the UPF subsystem and the DN subsystem by augmenting the 5G wireless connection with one or more additional network connections;

transmitting, by the DN subsystem and the UPF subsystem, data packets received from a Low Latency Low Loss Scalable Throughput (L4S) application server to the wireless device via the aggregated wireless connection and the 5G wireless network;

detecting that the 5G wireless connection has a risk of experiencing reduced service performance;

in response to the detection of the risk of experiencing reduced service performance, adding, by the DN subsystem or the UPF subsystem, an explicit congestion notification (ECN) to a respective data packet of the data packets;

causing, by the 5G server system, the wireless device to forward, in response to receiving the respective data packet including the ECN, a feedback message to the L4S application server;

receiving a request, by the 5G server system from the L4S application server, to perform an action to prevent reduced service performance in the 5G wireless connection; and

performing the action by the 5G server system in response to receiving the request from the L4S application server.

2 . The method of claim 1 , wherein:

the request from the L4S application server includes a request to associate one or more additional network slices with the wireless device, and

the action performed by the 5G server system comprises associating, by the 5G server system, a second network slice with the wireless device so that the 5G wireless connection between the wireless device and the DN subsystem is through the first network slice and the second network slice.

3 . The method of claim 1 , wherein:

the request from the L4S application server includes a request to associate one or more additional network slices with the wireless device, and

the action performed by the 5G server system comprises:

determining that the 5G server system cannot associate any additional network slices with the wireless device;

in response to the determination that the 5G server system cannot associate any additional network slices with the wireless device, forgoing associating the one or more additional network slices with the wireless device; and

reducing, by the UPF subsystem, a rate of data packets routed through the 5G wireless network and increasing a rate of data packets routed through the one or more additional network connections.

4 . The method of claim 1 , wherein the action performed by the 5G server system comprises:

determining whether the wireless device is authorized to establish a wireless connection with any additional network slices in addition to the first network slice.

5 . The method of claim 1 , wherein the action performed by the 5G server system comprises:

determining whether any other additional network slices of the 5G telecommunications network has bandwidth to transfer data packets without a risk of causing reduced service performance at the respective additional network slices.

6 . The method of claim 1 , wherein the one or more additional network connections are selected from:

an additional 5G wireless connection,

a Wi-Fi or Ethernet network connection, or

an Internet Protocol Television (IPTV) network connection.

7 . The method of claim 1 , wherein:

the wireless device includes a first network interface configured to communicate with the UPF subsystem via a 5G radio access network (RAN) node, and

a second network interface configured to communicate with the UPF subsystem via the 5G RAN node, a wireless local area network access point (WLAN AP), or Data Over Cable Service Interface Specification radio guide (DOCSIS RG) node.

8 . The method of claim 1 , wherein:

the wireless device is a mobile device, a laptop, a wearable device, an unmanned aerial vehicle, an autonomous transportation device, a robotic devices, an AR/VR device or a security system device.

9 . The method of claim 1 , further comprising:

causing the L4S application server to reduce a rate of sending the data packets to the DN subsystem in response to receiving the respective data packet including the ECN.

10 . The method of claim 1 , wherein adding the ECN to the respective data packet of the data packets comprises:

adding a marker comprising a particular bit code to a header of the respective data packet.

11 . The method of claim 1 further comprising:

transmitting, by the DN subsystem and the UPF subsystem, data packets received from the L4S application server to the wireless device via the aggregated wireless connection and the one or more additional network connection concurrently with transmitting the data packets via the aggregated wireless connection and the 5G wireless network.

12 . The method of claim 1 , wherein:

the data packets received from the L4S application server are transmitted through the aggregated wireless connection from the DN subsystem to the UPF subsystem and via the 5G wireless network from the UPF subsystem to the wireless device.

13 . The method of claim 1 further comprising, prior to associating the first network slice of the 5G telecommunications with a wireless device:

determining, by the 5G server system, whether the wireless device is authorized to communicate through the first network slice based on a service subscription associated with a user of the wireless device.

14 . A computer-implemented method for optimizing 5G telecommunications network reliability, the method comprising:

associating, by a 5G server system, a first network slice of a 5G telecommunications network with a wireless device;

establishing, by the 5G server system, a 5G wireless connection between the wireless device and a data network (DN) subsystem,

wherein the 5G wireless connection between the wireless device and the DN subsystem is through the first network slice;

transmitting, by the DN subsystem and a user plane function (UPF) subsystem, data packets received from a Low Latency Low Loss Scalable Throughput (L4S) application server to the wireless device via the 5G wireless connection;

detecting that the 5G wireless connection has a risk of experiencing reduced service performance;

in response to the detection of the risk of experiencing reduced service performance, adding, by the DN subsystem or the UPF subsystem, an explicit congestion notification (ECN) to a respective data packet of the data packets;

causing, by the 5G server system, the wireless device to forward, in response to receiving the respective data packet including the ECN, a feedback message to the L4S application server;

receiving a request, by the 5G server system from the L4S application server, to perform an action to prevent reduced service performance in the 5G wireless connection; and

performing the action by the 5G server system in response to receiving the request from the L4S application server.

15 . The method of claim 14 , wherein:

the request from the L4S application server includes a request to associate one or more additional network slices with the wireless device, and

the action performed by the 5G server system comprises associating, by the 5G server system, a second network slice with the wireless device so that the 5G wireless connection between the wireless device and the DN subsystem is through the first network slice and the second network slice.

16 . The method of claim 14 , wherein:

the action performed by the 5G server system comprises determining whether the wireless device is authorized to establish a wireless connection with any additional network slices in addition to the first network slice.

17 . The method of claim 14 , wherein the action performed by the 5G server system comprises:

determining whether any other additional network slices of the 5G telecommunications network has bandwidth to transfer data packets without a risk of reduced service performance at the additional network slices.

18 . The method of claim 14 further comprising:

causing the L4S application server to reduce a rate of sending the data packets to the DN subsystem in response to receiving the respective data packet including the ECN.

19 . A server system comprising a data network (DN) subsystem and a user plane function (UPF) subsystem for optimizing a telecommunications network reliability, the server system comprising:

at least one hardware processor; and

at least one non-transitory memory storing instructions, which, when executed by the at least one hardware processor, cause the server system to:

associate, by a server system, a first network slice of a telecommunications network with a wireless device;

establish, by the server system, a wireless connection between the wireless device and the DN subsystem,

wherein the wireless connection between the wireless device and the DN subsystem is through the first network slice;

generate, by the UPF subsystem, an aggregated wireless connection between the UPF subsystem and the DN subsystem by augmenting the wireless connection with one or more additional network connections;

transmit, by the DN subsystem and the UPF subsystem, data packets received from an application server associated with a data packet throughput management system to the wireless device via the aggregated wireless connection and the wireless network;

detect that the wireless connection has a risk of experiencing reduced service performance;

in response to the detection of the risk of experiencing reduced service performance, add, by the DN subsystem or the UPF subsystem, a congestion indication to a respective data packet of the data packets;

cause, by the server system, the wireless device to forward, in response to receiving the respective data packet including the congestion indication, a feedback message to the application server;

receive a request, by the server system from the application server, to perform an action to prevent reduced service performance in the wireless connection; and

perform the action by the server system in response to receiving the request from the application server.

20 . The system of claim 19 , wherein:

the request from the application server includes a request to associate one or more additional network slices with the wireless device, and

the system is further caused to:

determine that the server system cannot associate any additional network slices with the wireless device,

in response to the determination that the server system cannot associate any additional network slices with the wireless device, forgo associating the one or more additional network slices with the wireless device, and

reduce, by the UPF subsystem, a rate of data packets routed through the wireless network and increasing a rate of data packets routed through the one or more additional network connections.

Assignments (1)

Continuity (1)

References Cited (35)