Group Communication Bearer Indication Server
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Solution Overview
Problem
In group communications, devices may not receive critical information in a timely manner due to bearer loss or changes, especially in emergency situations, caused by network congestion or changes in bearer types.
Innovation Solution
A server manages group communication sessions by determining active devices and their bearer types (unicast or multicast) and bit rate guarantees, transmitting these indications to devices to ensure timely notifications and adapt bearer settings as needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If bearers are used for group communication in a network, then communication efficiency is improved, but bearer loss or change due to network congestion causes devices to miss critical communications
Solution Approach 1:
The patent implements a feedback mechanism where the network infrastructure monitors bearer status and communicates bearer loss or change events to affected devices. This allows devices to detect bearer issues and trigger re-establishment procedures, ensuring critical communications are not lost despite network congestion events.
Solution Approach 2:
The patent establishes bearer monitoring and notification mechanisms in advance before bearer loss occurs. By proactively detecting bearer status changes and notifying devices beforehand or at the moment of change, the system enables devices to take preventive or immediate corrective actions to maintain communication reliability.
2Adaptability or versatility
If bearer changes occur due to network congestion, then network adaptability is improved, but devices do not receive critical information in a timely manner
Solution Approach 1:
The system implements real-time feedback by notifying devices immediately when bearer changes occur. This feedback loop ensures devices are aware of bearer status changes without delay, enabling them to adjust their communication behavior promptly and receive critical information in a timely manner despite network adaptability requirements.
Solution Approach 2:
The patent introduces an intermediary notification mechanism between the network infrastructure and communication devices. This intermediary system translates bearer changes into device-understandable notifications, ensuring timely delivery of critical information even when network conditions require bearer changes for adaptability.
3Reliability
If bearer monitoring is implemented to prevent loss, then communication reliability is improved, but system complexity increases
Solution Approach 1:
The patent places the complex bearer monitoring and management functions in an intermediary network infrastructure layer rather than in individual communication devices. This intermediary handles the complexity of bearer tracking, status monitoring, and change detection centrally, while devices receive simplified notifications, thus improving reliability without significantly increasing device complexity.
Solution Approach 2:
The system implements self-service mechanisms where the network infrastructure autonomously monitors bearer status and automatically notifies affected devices without requiring complex device-side monitoring logic. This shifts the complexity burden to the network infrastructure, which is better positioned to handle it, while keeping devices relatively simple.
Data Source
AI summary
A device, system and method for determining and providing bearer indications for a group communication session is provided. A server for managing a group communication session determines active communication devices of the group communication session. The server determines bearer indications for the active communication devices, the bearer indications indicating: whether a respective bearer of an active communication device is a unicast bearer or a multicast bearer; and whether the respective bearer has a guaranteed bit rate or no guaranteed bit rate. The server transmits, to each of the active communication devices, the bearer indications to cause each of the active communication devices to provide, at a respective notification device, a notification of the bearer indications.