Centralized QoS Entity for Group Communication Session Management
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Solution Overview
Problem
Current QoS frameworks, such as the 3GPP QoS framework, are inadequate for managing quality of service differentiation in group communication contexts, particularly in complex scenarios like public safety emergencies, where individual QoS settings for each participant need to be dynamically adjusted to ensure optimal performance across heterogeneous networks.
Innovation Solution
A centralized QoS entity determines active participants in a group communication session and modifies individual QoS settings based on the settings of other participants, applying algorithms to adjust QCI and ARP values, ensuring balanced priorities and appropriate resource allocation across session legs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If current QoS frameworks (e.g., 3GPP QoS framework) are used for group communications, then standardization and simplicity are maintained, but QoS differentiation capability is insufficient for complex scenarios like public safety emergencies
Solution Approach 1:
The patent segments the QoS management process into multiple components: determining active participants, determining individual QoS settings, modifying settings based on other participants' settings, and applying modified settings to session legs. This segmentation allows complex group communication QoS management to be broken down into manageable steps that can be implemented systematically.
Solution Approach 2:
The patent implements dynamic QoS setting modification where individual QoS settings are not fixed but are adjusted based on the settings of other active participants in the group communication session. This dynamic adaptation enables the system to respond to changing communication needs in real-time, improving versatility for complex scenarios while maintaining a structured approach through defined modification algorithms.
2Reliability
If individual QoS settings are dynamically adjusted for each participant, then optimal performance is achieved, but management complexity increases
Solution Approach 1:
The patent implements a feedback mechanism where the QoS entity modifies individual QoS settings based on the settings determined for other active participants. This feedback loop ensures that QoS settings are continuously optimized based on group-wide conditions, improving reliability and performance while the systematic feedback process helps manage complexity through automated adjustment rather than manual configuration.
Solution Approach 2:
The patent systematically modifies QoS parameters (such as QCI and ARP values) based on defined algorithms that consider the settings of other participants. By using standardized parameter modification approaches and algorithms, the system achieves optimal performance through parameter optimization while managing complexity through structured change rather than ad-hoc adjustments.
3Productivity
If QoS settings are applied to session legs, then resource allocation is optimized, but system complexity increases
Solution Approach 1:
The patent applies modified QoS settings to specific session legs associated with individual active participants. This local quality approach allows optimized resource allocation to be applied where needed - to specific session legs - rather than uniformly across the entire network. The systematic application to session legs improves resource allocation efficiency while managing complexity by targeting optimizations to specific communication paths rather than the entire system.
Data Source
AI summary
A centralized quality of service (QoS) entity having a processing device performs a method for managing QoS settings for group communications. The method includes: determining a plurality of active participants of a group communication session; and determining, for each active participant, an individual QoS setting, including a first individual QoS setting for a first active participant. The method further includes modifying the first individual QoS setting based on the individual QoS setting for at least one other active participant, wherein the modified first individual QoS setting is applied to a session leg used by the first active participant during the group communication session. The active participants of the group communication session can be on the same or heterogeneous wireless networks.