Nested WLAN Cellular Network Traffic Segmentation
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Solution Overview
Problem
Current cellular networks face bandwidth scarcity issues, particularly in public safety communications, where high-bandwidth applications like streaming video demand exceed available resources, and there is a lack of effective network management to optimize data communication at incident scenes.
Innovation Solution
Implementing a data communication method that determines the availability of nested networks to redirect user terminals from primary networks to nested networks, optimizing bandwidth usage by moving terminals to nested networks when possible, thereby reducing primary network traffic and extending network capacity and coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If user terminals remain on primary network for all communications, then network coverage is maintained, but bandwidth scarcity increases and network capacity is insufficient
Solution Approach 1:
The patent segments network traffic by separating public safety communications into two distinct networks: a primary cellular network for voice and essential data, and a nested WLAN network for high-bandwidth video and rich media communications. This segmentation allows each network to be optimized for its specific workload, preventing bandwidth scarcity on the cellular network while maintaining comprehensive coverage.
Solution Approach 2:
The patent implements a nested network architecture where a WLAN network is nested within a cellular network coverage area. The nested WLAN network handles bandwidth-intensive applications locally, while the cellular network provides backbone connectivity and voice services. This nesting enables efficient resource utilization without requiring extensive infrastructure deployment.
2Productivity
If high-bandwidth applications like streaming video are deployed, then communication quality improves, but available bandwidth resources become insufficient
Solution Approach 1:
The patent segments traffic types by implementing separate networks for different communication needs: the cellular network handles voice and control signals, while the nested WLAN network handles video streaming and rich media. This segmentation allows high-bandwidth applications to utilize dedicated bandwidth resources without consuming cellular network capacity, thereby maintaining communication efficiency without depleting available bandwidth.
Solution Approach 2:
The patent introduces a gateway as an intermediary component that connects the nested WLAN network to the cellular network. The gateway translates and routes traffic between the two networks, enabling seamless integration of high-bandwidth video communications with the cellular infrastructure while preserving bandwidth resources for their intended purposes.
3Loss of energy
If nested networks are used to reduce primary network traffic, then bandwidth usage is optimized, but network management complexity increases
Solution Approach 1:
The patent implements self-service mechanisms where user terminals automatically detect available nested networks and autonomously determine the optimal network for their communications. The system uses pre-configured network lists and automatic network selection to eliminate the need for manual network management, thereby achieving bandwidth efficiency without proportionally increasing operational complexity.
Solution Approach 2:
The patent performs preliminary actions by pre-configuring networks with identified user terminals before incidents occur. Network parameters, routing rules, and traffic profiles are established in advance, allowing the system to automatically and efficiently manage traffic during actual operations without requiring complex real-time decision-making or manual intervention.
Data Source
AI summary
A method and apparatus for data communication. The method includes determining that a first nested network, is available to a plurality of user terminals, the first terminal providing a data interface to a first primary network. The method further includes determining that traffic on the first primary network can be reduced by moving one or more user terminals of the plurality of user terminals from the first primary network to the nested network. The one or more user terminals are then directed to move to the nested network.