AVN System Adaptive Parameter Adjustment for Connected Service Compatibility
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Solution Overview
Problem
Existing audio-video-navigation (AVN) systems for vehicles face compatibility issues and service unavailability due to differences in operational specifications between devices from various manufacturers, leading to errors and unsatisfactory user experiences.
Innovation Solution
An adaptive connected service system that loads and adjusts operation parameters based on normal operation performance, using a communication unit, memory, and controller to store and change parameters, ensuring seamless service provision across different devices and services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fixed operation parameters are used for connected services, then device compatibility is improved, but service quality and adaptability deteriorate
Solution Approach 1:
The patent implements dynamic operation parameters that can be adjusted in real-time based on the operational state of connected devices. The system monitors service execution status and automatically modifies parameters such as communication protocols, data transmission rates, and resource allocation to maintain optimal service quality across diverse device configurations.
Solution Approach 2:
The system changes operation parameters adaptively based on detected operational states. When abnormalities are detected in service execution, the system modifies parameters including timeout values, retry counts, data formatting standards, and communication modes to resolve compatibility issues and restore service availability.
2Adaptability or versatility
If operation parameters are dynamically adjusted, then service quality is improved, but system complexity increases
Solution Approach 1:
The system performs self-diagnosis and self-adjustment of operation parameters based on monitored service execution states. The AVN system automatically detects compatibility issues, selects appropriate parameter configurations from predefined sets, and applies corrections without requiring manual intervention or complex external control mechanisms.
Solution Approach 2:
The system implements a feedback mechanism that continuously monitors service execution status and uses this information to adjust operation parameters. The feedback loop compares actual service performance against expected outcomes and automatically modifies parameters to correct deviations, maintaining service quality without increasing overall system complexity.
3Reliability
If strict protocol compliance is enforced, then communication reliability is improved, but compatibility with diverse devices deteriorates
Solution Approach 1:
The patent segments communication protocols into hierarchical layers, with strict compliance enforced at critical layers (data integrity, authentication) while allowing flexibility at adaptive layers (data formatting, transmission timing). This segmentation enables the system to maintain communication reliability for essential functions while adapting to diverse device requirements for non-critical operations.
Data Source
AI summary
An audio-video-navigation (AVN) system for vehicles includes: a communication unit connected with a service or device; a memory storing at least one of first operation parameters or at least one of second operation parameters corresponding to a connected service or device; and a controller determining whether a normal operation is performed with the at least one loaded operation parameter and changing the at least one loaded parameter based on whether a normal operation is performed with the at least one loaded operation parameter. The controller performs a control operation to store at least one part of adaptively changeable predetermined parameters as the at least one of second operation parameters based on whether a normal operation is performed with the at least one loaded operation parameter.