UE State Machine Configuration for RAN Slicing Isolation
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Solution Overview
Problem
Current network slicing technologies face challenges in implementing Radio Access Network (RAN) slicing due to issues with dynamic channel quality, transmission isolation over common broadcast media, and interaction between RAN and Core Network slices, limiting the effectiveness of network slicing in mobile wireless networks.
Innovation Solution
The implementation of a system and method for User Equipment (UE) state machines that operate based on multiple state configurations, allowing for independent or collaborative operation across different services or air interfaces, with state machine configurations adapted to specific services and dynamically changed as needed, enabling service-specific network slices in the RAN.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If network slicing is implemented in RAN using common broadcast media, then resource sharing and efficiency are improved, but transmission isolation between services deteriorates
Solution Approach 1:
The patent segments the RAN into multiple independent slices, each with dedicated resources and isolated state machines. Each slice operates independently with its own configuration, preventing interference between services while maintaining resource efficiency through shared infrastructure.
Solution Approach 2:
The patent applies local quality by providing service-specific air interface configurations to different slices. Each slice receives customized parameters and state machine configurations tailored to its specific service requirements, enabling both isolation and optimized resource allocation.
2Device complexity
If a single state machine configuration is used for all services, then device complexity is reduced, but adaptability to different service requirements deteriorates
Solution Approach 1:
The patent implements universality by creating a framework where multiple service-specific state machine configurations coexist within a single UE. The UE can selectively activate appropriate configurations based on service requirements, achieving both simplicity through standardized structure and adaptability through service-specific customization.
Solution Approach 2:
The patent applies dynamics by enabling the UE to dynamically switch between different state machine configurations based on active services. The system transitions from static single configuration to dynamic multi-configuration, allowing real-time adaptation to changing service demands while maintaining manageable complexity.
3Adaptability or versatility
If RAN slicing is implemented with dynamic channel quality, then network flexibility is improved, but channel quality stability deteriorates
Solution Approach 1:
The patent segments the radio interface into isolated slices, where each slice maintains its own channel quality characteristics. This segmentation prevents channel quality fluctuations in one slice from affecting other slices, providing both network flexibility through service-specific optimization and stability through isolation.
Data Source
AI summary
Systems and methods for UE state machine to support multiple services or air interfaces are described. The UE may have one configuration of the state machine for multiple services or air interfaces. The UE may have multiple state machines for different services or air interfaces that work independently. The UE may have multiple state machines for different services or air interfaces that work collaboratively. The UE may have a state machine that uses a state machine configuration selected out of a plurality of state machine configurations according to the services used. The configuration of this state machine may be adapted to services. At initialization, the configuration of this state machine may be default or be determined according to the services the UE may use. During operation, the configuration of this state machine may change according to the change in services for the UE.