Vehicle Wireless Receiver Sensitivity Control
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Solution Overview
Problem
Wireless applications in vehicles face performance interference due to external wireless signals, which existing technologies have not effectively mitigated, leading to reduced network performance.
Innovation Solution
A method and system that use sensors and processors to adjust the receiver sensitivity of wireless devices in vehicles based on signal strength and external factors, reducing interference by determining when to lower the sensitivity of the receiver when signal strength exceeds a threshold.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the receiver sensitivity is increased to improve wireless signal reception, then the ability to receive weak signals is improved, but the susceptibility to interference from external wireless signals increases
Solution Approach 1:
The receiver sensitivity is made dynamic rather than static. The system continuously monitors signal strength and external interference levels, then adjusts the receiver sensitivity in real-time based on current conditions. This allows the receiver to optimize between capturing weak signals and rejecting interference by adapting its sensitivity threshold dynamically.
Solution Approach 2:
The system changes the sensitivity parameter of the receiver based on measured conditions. By monitoring signal strength and interference levels, the system adjusts the sensitivity parameter upward when signals are strong and interference is low, and downward when interference dominates, thereby optimizing performance across varying environmental conditions.
2Object-affected harmful factors
If the receiver sensitivity is decreased to reduce interference from external signals, then the susceptibility to interference is reduced, but the ability to receive weak legitimate signals is degraded
Solution Approach 1:
The system implements a feedback loop where the receiver continuously monitors both the strength of legitimate wireless signals and the level of external interference. Based on this feedback, the system automatically adjusts the receiver sensitivity to an optimal level that maintains signal reception while minimizing interference impact.
Solution Approach 2:
The wireless device performs self-adjustment of its receiver sensitivity without external intervention. By autonomously monitoring its own reception conditions and interference levels, the device automatically optimizes its sensitivity parameter, eliminating the need for manual configuration or external control systems.
3Device complexity
If fixed sensitivity settings are used to simplify receiver design, then the device complexity is reduced, but the adaptability to different signal conditions is limited
Solution Approach 1:
The receiver incorporates automatic sensitivity adjustment functionality that eliminates the need for complex manual configuration. The system self-monitors signal conditions and self-adjusts its sensitivity parameter, providing adaptability to various signal strengths while maintaining relatively simple device architecture through automated control.
Solution Approach 2:
The receiver is designed with multi-functionality, serving both as a signal reception device and an automatic sensitivity optimization system. By integrating the monitoring and adjustment functions into the receiver itself, the system achieves adaptability to different conditions without requiring separate control systems or complex configuration mechanisms.
Data Source
AI summary
Methods, systems and vehicles are provided for controlling a wireless application provided to a wireless device over a wireless network. One or more radio frequency (RF) parameters of the wireless device in the wireless network are triggered by the wireless application. One or more sensors generate sensor data of the wireless device in the wireless network. A processor at least facilitates determining whether an adjustment is appropriate for the wireless device in the wireless device to mitigate interference from wireless signals outside the wireless network, based on the sensor data, wherein the determination as to whether an adjustment is appropriate is based at least on part on whether the wireless application is being utilized for the wireless device in the wireless network; and adjusting, via instructions provided by the processor, a sensitivity of a receiver of the wireless device, based on the determination that the adjustment is appropriate.