UE Paging Logic for Skipping Unneeded RRC Resumption

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Solution Overview

Problem

Existing user equipment (UE) in the RRC inactive state experiences unnecessary power consumption and signaling overhead when receiving multicast services due to the initiation of RRC connection resumption procedures for multicast sessions not configured to be received in this state.

Innovation Solution

A paging message processing method for UE that monitors TMGIs to determine if any multicast sessions are not receivable in the RRC inactive state, and if not, skips the RRC connection resumption operation, thereby avoiding unnecessary signaling and conserving power.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If UE initiates RRC connection resumption for all multicast sessions in paging message, then all multicast sessions can be received, but power consumption and signaling overhead increase unnecessarily

Engineering Contradiction:

Improvemulticast session receptionVSAvoidpower consumption

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The UE performs RRC connection resumption only for multicast sessions that are configured to be received in RRC inactive state, rather than for all multicast sessions. This partial action approach avoids unnecessary connection resumptions for sessions that can be received in inactive state, thereby reducing power consumption while still ensuring reliable reception of sessions that require connected state.

Inventive Principle:

Principle #16Partial or excessive action

Solution Approach 2:

The invention changes the parameter of RRC connection resumption behavior based on the configuration of multicast sessions. By checking whether each multicast session is configured to be received in RRC inactive state, the UE dynamically adjusts its action (resume or skip) accordingly, optimizing power consumption while maintaining service reliability.

Inventive Principle:

Principle #35Parameter changes

2Reliability

If UE initiates RRC connection resumption for all multicast sessions in paging message, then all multicast sessions can be received, but signaling overhead increases unnecessarily

Engineering Contradiction:

Improvemulticast session receptionVSAvoidsignaling overhead

Core Design Contradiction:

ReliabilityVSQuantity of substance

Solution Approach 1:

The UE performs RRC connection resumption only for multicast sessions that are configured to be received in RRC inactive state, rather than for all multicast sessions. This partial action approach avoids unnecessary connection resumptions for sessions that can be received in inactive state, thereby reducing signaling overhead while still ensuring reliable reception of sessions that require connected state.

Inventive Principle:

Principle #16Partial or excessive action

3Use of energy by moving object

If UE skips RRC connection resumption for multicast sessions, then power consumption and signaling overhead are reduced, but multicast sessions not configured for inactive state cannot be received

Engineering Contradiction:

Improvepower consumptionVSAvoidmulticast session reception

Core Design Contradiction:

Use of energy by moving objectVSReliability

Solution Approach 1:

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS20260052511A1Paging message processing method performed by user equipment, and user equipment

Publication Date: 2026.02.19 SHARP KK

AI summary

The present invention provides a paging message processing method performed by user equipment not in an RRC connected state, the user equipment being capable of receiving an MBS multicast session in an RRC inactive state, including: monitoring a paging message, the paging message comprising at least one temporary mobile group identity (TMGI) identifying an MBS multicast session; and if the user equipment is in the RRC inactive state, when no MBS multicast session not configured to be received in the RRC inactive state is present among MBS multicast sessions that the user equipment has joined among the MBS multicast sessions indicated by the TMGIs in the detected paging message, skipping performing an RRC connection resumption operation.