WCN Communication Component for Secure AP-WCN Interface
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Solution Overview
Problem
Intelligent operating systems face challenges in defining a unified interface and secure communication method for interacting with wireless communication network (WCN) components, particularly due to security restrictions that prevent direct communication between system and vendor partitions in devices like Android OS 8.0 and later versions.
Innovation Solution
The system introduces a WCN communication component in the kernel layer, accessible through an API, allowing the AP component to control periodic read and write operations on device nodes for monitoring and managing WCN components, thereby decoupling vendor and system partitions and improving security and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the system partition and vendor partition are separated for security reasons, then security is improved, but direct communication between partitions becomes impossible
Solution Approach 1:
The patent introduces a vendor partition communication component as an intermediary layer between the system partition and vendor partition. This component provides standardized API interfaces that enable controlled communication while maintaining partition separation. The intermediary translates and manages data exchange between partitions, ensuring security requirements are met while enabling necessary communication functionality.
2Reliability
If direct communication between system partition and vendor partition is blocked, then security is improved, but information interaction and monitoring become difficult
Solution Approach 1:
The vendor partition communication component provides universal communication capabilities through standardized API interfaces. These interfaces support multiple functions including information acquisition, parameter setting, and state monitoring. The universal design allows different types of interactions to occur through a unified mechanism, preventing information loss while maintaining security boundaries.
3Ease of operation
If unified interface definition is implemented across different WCN components, then ease of operation is improved, but system complexity increases
Solution Approach 1:
The patent segments the communication system into distinct layers: the system partition with standardized API interfaces, the vendor partition communication component as a mediator, and the vendor partition with WCN components. This segmentation allows unified interfaces to be defined at the API level without propagating complexity throughout the entire system. Each layer handles specific functions, reducing overall system complexity while maintaining interface uniformity.
Data Source
AI summary
An intelligent device, and a system and a method for communication between an AP component and a WCN component of the intelligent device are provided. The WCN component includes at least one wireless communication functional component. The AP component includes a system layer and a kernel layer. The kernel layer includes at least one device node respectively corresponding to the at least one wireless communication function component. The kernel layer further includes a WCN communication component. The system layer is configured to invoke the WCN communication component through an API, to control the WCN communication component to periodically perform read and write operations on the device node to monitor a state of the WCN component.