Network-Assisted Cluster Management for Victim-to-Victim Communication
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Solution Overview
Problem
Existing communication systems fail to enable coordinated victim-to-victim (V2V) communication during network failures, such as disasters, where conventional methods do not allow devices to form effective clusters for direct communication, leading to inefficient and delayed emergency response.
Innovation Solution
A network-assisted cluster management technique that forms, partitions, and reassigns clusters using machine learning algorithms for user equipment (UEs) to operate independently when the network is unavailable, allowing V2V communication by providing cluster group identifiers and beacon frequencies for efficient communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional D2D schemes are used for user communication, then direct device-to-device communication is enabled, but coordinated victim-to-victim communication during network failure is not supported
Solution Approach 1:
The network forms cluster groups and assigns cluster group identifiers to UEs before network failure occurs. This preliminary clustering enables UEs to immediately establish coordinated V2V communication upon network failure without needing to discover and organize themselves during the emergency, thus resolving the contradiction between adaptability and reliability.
Solution Approach 2:
The patent introduces cluster group identifiers as an intermediary mechanism that bridges conventional D2D communication and coordinated V2V communication. These identifiers act as a pre-established framework that UEs can use to organize themselves into clusters during network failure, enabling reliable coordinated communication while maintaining the flexibility of D2D schemes.
2Adaptability or versatility
If UEs attempt ad hoc discovery and network formation after disaster, then V2V communication may be established, but battery is drained quickly and convergence does not scale
Solution Approach 1:
The network performs cluster formation and identifier assignment before disaster occurs, eliminating the need for energy-intensive ad hoc discovery and network formation procedures after disaster. UEs simply need to retrieve and use their pre-assigned cluster group identifiers, dramatically reducing battery consumption while maintaining V2V communication capability.
Solution Approach 2:
Instead of performing complex real-time discovery and clustering algorithms that consume significant energy, the system uses pre-computed cluster group identifiers that UEs copy and reuse during network failure. This approach replaces energy-intensive computational processes with simple identifier retrieval and usage.
3Adaptability or versatility
If existing D2D schemes focus on public safety user equipment communication, then network-assisted D2D communication is enabled, but victim-to-victim communication among general users is not supported
Solution Approach 1:
The patent extends the D2D communication framework to support both public safety UEs and general consumer UEs through a universal cluster group identifier mechanism. The same cluster formation and identifier assignment process applies to all UE types, enabling V2V communication for victims regardless of their device category without requiring separate complex schemes for different user groups.
Data Source
AI summary
Various communication systems may benefit from network assisted automatic clustering. For example, wireless communication systems may benefit from such clustering that enables victim to victim communication after the network becomes unavailable, for example due to a disaster. A method can include forming, by an element of a network, a cluster group for a plurality of user equipment in a location. The method can also include communicating, by the element, information comprising a cluster group identifier to a user equipment of the plurality of the user equipment. The cluster group can be configured to operate only when the network fails to operate.