US 12,744,740 B2 · Methods and apparatus for using a data repository including ECN marking capability information to support low latency, low loss and scalable throughput (L4S) service

Abstract

A database, e.g. a unified data repository (UDR) which can be accessed by a unified data management (UDM), stores residential gateway (RG) subscription information for each of plurality of RGs. The stored RG subscription information, corresponding to a RG includes information, e.g. 5G-RG L4S information, indicating whether or not the RG is allowed/capable to perform ECN marking. A session management function (SMF) retrieves, e.g., via a UDM, the RG information indicating whether or not the RG is allowed/capable to perform ECN marking and uses the retrieved information to decide whether or not to enable the RG to perform ECN marking for L4S and/or provide congestion information as part of QoS monitoring and/or to select resources including a policy control function (PCF) for supporting a PDU communications session.

Claims20

Dependent claims

A communications method, the method comprising:

storing first subscription data including ECN marking capability information indicating whether or not a residential gateway (RG), to which the first subscription data corresponds, is allowed to perform ECN (explicit congestion notification) marking;
operating a session management function (SMF), assigned to provide session management services for a PDU session corresponding to a first protocol data unit (PDU) session request message sent by the RG, to retrieve stored subscription information corresponding to the RG, said retrieved information including the ECN marking capability information corresponding to the RG;
and
operating the SMF to take an action based on the retrieved ECN marking capability information corresponding to the RG.

1 more element

A communications system, the system comprising:

a storage device storing first subscription data including ECN marking capability information indicating whether or not a residential gateway (RG) to which the first subscription data corresponds is allowed to perform ECN (explicit congestion notification) marking;
a session management function (SMF) including a first processor configured to:
operate the SMF, assigned to provide session management services for a PDU session corresponding to a first protocol data unit (PDU) session request message sent by the RG, to retrieve stored subscription information corresponding to the RG, said retrieved information including the ECN marking capability information corresponding to the RG;
and
operate the SMF to take an action based on the retrieved ECN marking capability information corresponding to the RG.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

18/586,386Filed 23 Feb 2024 · us provisional application

Priority

9 Jan 2024

Published

US 2025/0227071 A110 Jul 2025

Granted

22 Sep 2026

Term ends

Not estimatedThe source records don’t support an estimate.

Classification6 codes

H04L 47/26
Flow control; Congestion control: using explicit feedback to the source, e.g. choke packets
H04L 67/141
Session management: setup of application sessions
H04L 67/147
Session management: signalling methods or messages providing extensions to protocols defined by standardisation
H04W 28/0236
Based on communication conditions: radio quality, e.g. interference, losses or delay

Methods and apparatus for using a data repository including ECN marking capability information to support low latency, low loss and scalable throughput (L4S) service

Life of this patent

Methods and apparatus for using a data repository including ECN marking capability information to support low latency, low loss and scalable throughput (L4S) service

Life of this patent

Abstract

Claims20