Multi-Operator Small Cell Connectivity via Simultaneous Attachment
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Solution Overview
Problem
Current small cell and femto cell networks restrict users to a single macro operator, preventing smaller operators from providing independent services and limiting seamless mobility between disjoint network domains.
Innovation Solution
User Equipment (UE) with multiple subscription profiles and a modem capable of simultaneous attachment to multiple networks, using intelligent network discovery and traffic steering based on current conditions, such as signal strength and cost, to select the optimal network for each application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If users are tied to a single macro operator through current small cell and femto cell networks, then network coverage is extended, but operational independence for smaller operators is prevented and mobility between network domains is limited
Solution Approach 1:
The patent segments network access by allowing users to be served by multiple operators simultaneously through separate access points (macro cells, small cells, femto cells). Each operator maintains independent control over their own network segments, enabling users to access different operators' networks independently without requiring a unified operational model.
Solution Approach 2:
The patent implements a universal access model where a single user equipment can access multiple different network types (macro, small cell, femto cell) from multiple operators simultaneously. The user equipment serves multiple functions by maintaining independent connections to different operators' networks, enabling flexible service selection without increasing operational complexity at the operator level.
2Adaptability or versatility
If users can access multiple networks simultaneously, then connectivity options and mobility are enhanced, but network management complexity increases
Solution Approach 1:
The patent implements self-service network management where the user equipment autonomously handles network selection, attachment, and traffic routing. The device automatically determines which operator's network to access based on location and service requirements, eliminating the need for complex centralized network management while maintaining multi-network connectivity.
Solution Approach 2:
The patent employs dynamic network selection where users can switch between different operators' networks in real-time based on current conditions. The user equipment dynamically adjusts its network attachment status, allowing seamless transitions between macro, small cell, and femto cell networks without manual intervention, thus maintaining ease of operation despite multi-network access.
Data Source
AI summary
A system and method provide for connectivity to multiple network operators at a given time, and sorting outgoing traffic based on criteria associated with the data and the network operators. Available networks are identified, and a mobile device attaches to a first network for communication through a first application, and also attaches to a second network for communication through a second application, without requiring detachment from the first network. Accordingly, traffic for the first application is steered through the selected first network, and traffic for the second application is steered through the second network.