MBMS User Equipment Receiving State Reporting Mechanism

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Solution Overview

Problem

The challenge is to enable user equipment (UE) to effectively report its receiving conditions for Multimedia Broadcast Multicast Services (MBMS) to the network side, allowing for efficient management of network resources and service optimization.

Innovation Solution

The UE actively or passively reports receiving state information to the network side, using a method where UEs send first information indicating service receipt or cessation within a configured time window or after a preset duration, allowing the network to control service distribution based on reported data.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If UEs continuously send receiving state information to the network side, then the network side can accurately learn UE receiving conditions, but the network resource overhead and signaling congestion increase

Engineering Contradiction:
Improvereceiving condition detection accuracyVSAvoidsignaling overhead
Core Design Contradiction:
Measurement precisionVSQuantity of substance

Solution Approach 1:

The patent implements periodic reporting where UEs send receiving state information at predetermined intervals or triggers rather than continuously. The network side can configure reporting periods, and UEs report only when specific conditions are met (e.g., receiving quality changes exceed a threshold, or at scheduled times), thereby reducing signaling overhead while maintaining adequate monitoring accuracy.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The patent applies partial reporting by having UEs report only when necessary - specifically when receiving conditions change significantly or at selective intervals rather than every state change. This partial action approach reduces the quantity of reports while still providing the network with sufficient information to manage MBMS services effectively.

Inventive Principle:
Principle #16Partial or excessive action

2Productivity

If the network side manages MBMS services based on real-time UE receiving conditions, then service optimization improves, but the system complexity and management overhead increase

Engineering Contradiction:
Improveservice management efficiencyVSAvoidsystem management complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent establishes a feedback mechanism where UEs report receiving state information to the network side, which then uses this feedback to dynamically adjust MBMS service management decisions. The network side processes the reported information and makes targeted adjustments to service distribution, ensuring resources are allocated efficiently based on actual UE receiving conditions without requiring complex centralized control of every UE state.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP3737120B1Processing method, system and user equipment of multimedia broadcast multicast service (MBMS) service
Publication Date: 2021.08.04 ZTE CORP
  • EP3737120B1 patent drawingFigure 1~2
  • EP3737120B1 patent drawingFigure 3~4

AI summary

The present invention discloses a method and system for processing a multimedia broadcast and multicast service and a user equipment, wherein the method includes: a user equipment (UE) receiving a multimedia broadcast and multicast service (MBMS) service issued by the network side (101), and the UE actively or passively reporting receiving state information about the MBMS service to the network side (102). The present invention can enable the network side to learn the receiving condition of the MBMS service by the user equipment and can manage the user equipment according to the receiving state information about the MBMS service reported by the UE.