Wireless Device Access Restriction via Protocol Adaptation
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Solution Overview
Problem
Current communication networks face challenges in efficiently managing and optimizing the communication between wireless devices and base stations across diverse technologies and releases, particularly in handling traffic load and packet sizes, which affects the overall quality of service and network performance.
Innovation Solution
The implementation of a service-based architecture within the core network, utilizing network slicing and advanced protocol stacks, allows for flexible configuration and management of user plane and control plane functions, enabling selective implementation of protocols based on criteria such as traffic load and device capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a wireless device is registered with a base station using a first protocol release, then the device can communicate using established protocols, but the device cannot access base stations using second protocol releases that introduce new protocols not supported by the registered release
Solution Approach 1:
The patent implements dynamic protocol selection where the wireless device can adaptively choose between different protocol versions (first release protocols and second release protocols) based on the capabilities of the base station. The device dynamically switches protocol stacks during communication, allowing it to access base stations with newer protocols while maintaining compatibility with older releases. This dynamic adaptation resolves the contradiction by making the system flexible rather than static.
Solution Approach 2:
The patent changes the protocol version parameter based on base station capabilities. The wireless device monitors which protocols are supported by the current base station and adjusts its active protocol stack accordingly. When a base station supports second release protocols, the device activates those protocols; when only first release protocols are available, the device uses the original protocol set. This parameter adaptation enables both broad compatibility and reliable access to modern infrastructure.
2Adaptability or versatility
If the wireless device supports multiple protocol releases, then the device can access more base stations, but the device complexity increases due to maintaining multiple protocol stacks
Solution Approach 1:
The patent segments the protocol implementation into modular, independently manageable protocol stacks for different releases. Each protocol stack is a separate functional unit that can be independently activated or deactivated. This segmentation allows the device to maintain multiple protocol capabilities without the full complexity of all protocols running simultaneously, as each segment can be selectively engaged based on base station requirements.
Solution Approach 2:
The patent implements dynamic protocol stack selection where the device activates only the necessary protocol version based on the current base station's capabilities. Rather than permanently maintaining all protocol stacks in an active state, the device dynamically switches between first release and second release protocol stacks as needed. This dynamic approach reduces the effective complexity at any given time while preserving access to multiple base station types.
3Reliability
If the wireless device uses a protocol release older than the base station's release, then the device can maintain backward compatibility, but the device cannot utilize new features and protocols introduced in newer releases
Solution Approach 1:
The patent enables the wireless device to dynamically adjust its protocol version based on the base station's capabilities. When connecting to a base station that supports second release protocols, the device activates those newer protocols to access advanced features and improved functionality. When connecting to older base stations, the device automatically falls back to first release protocols to maintain backward compatibility. This dynamic adaptation resolves the contradiction by allowing the device to optimize for both compatibility and feature utilization depending on the communication context.
Solution Approach 2:
The patent changes the active protocol version parameter based on the base station's release information. The device queries the base station's capabilities and adjusts its protocol stack selection accordingly, enabling feature-rich communication with modern base stations while ensuring seamless compatibility with legacy infrastructure through automatic parameter adaptation.
Data Source
AI summary
A wireless device sends, to a second network via a user plane of a first network, a first message indicating a first request to access a second network. The wireless device receives, from the second network, a second message comprising an access restriction parameter, the access restriction parameter indicating that an extended access type is not allowed, wherein the extended access type indicates access to the second network via the first network. The wireless device disables an N1 mode capability for the extended access type.