Radar Transmission Adaptation for Congestion-Driven Interference
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Solution Overview
Problem
Radar systems face interference and inaccurate target detection due to congestion from multiple radar signals in wireless communication environments, leading to false target detections and reduced accuracy.
Innovation Solution
Radar devices adjust transmission parameters based on congestion levels by reducing maximum detection range, transmit power, and prioritizing detection of closer objects when interference exceeds a threshold, thereby minimizing interference with other devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If radar devices transmit with high power and wide detection range, then detection capability is improved, but interference with other devices increases
Solution Approach 1:
The radar transmission parameters (power, detection range) are dynamically adjusted based on real-time congestion level detection. When congestion is high, the radar reduces transmission power and detection range; when congestion is low, it increases these parameters to maintain optimal detection capability while minimizing interference.
Solution Approach 2:
The system changes transmission parameters (power level, detection range) based on the detected congestion level. This involves modifying physical parameters of the radar signal to adapt to environmental conditions, thereby resolving the contradiction between maintaining detection capability and reducing interference.
2Area of stationary object
If radar devices operate in congested environments, then coverage area is maintained, but target detection accuracy deteriorates
Solution Approach 1:
The radar dynamically adjusts its operational parameters based on congestion detection. In high-congestion environments, it reduces transmission power and detection range to prioritize accurate detection of nearby targets, while still maintaining some coverage. This dynamic adjustment allows the system to adapt to varying environmental conditions.
Solution Approach 2:
The system applies partial action by reducing transmission power and detection range in congested environments, focusing resources on detecting closer targets with higher accuracy rather than maintaining full coverage. This trade-off prioritizes detection accuracy for critical nearby objects over comprehensive area coverage.
3Area of stationary object
If multiple radar signals are transmitted simultaneously, then overall detection coverage is improved, but false target detections increase
Solution Approach 1:
The radar system incorporates feedback mechanisms where each radar detects congestion levels caused by other radar signals and adjusts its transmission accordingly. This feedback loop allows the system to respond to environmental conditions and reduce false detections by adapting transmission parameters based on real-time congestion assessment.
Solution Approach 2:
The system periodically detects congestion levels and adjusts transmission parameters in response. This periodic monitoring and adjustment allows multiple radars to operate in a coordinated manner, reducing the likelihood of simultaneous high-power transmissions that cause false detections while maintaining overall detection coverage.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enhances radar detection accuracy by prioritizing closer objects and reducing interference, improving collision avoidance and sensing capabilities in congested environments.
Implementation Method 1
transmitting, based on the congestion level exceeding a threshold, a radar signal
Data Source
AI summary
This disclosure provides systems, devices, apparatus, and methods, including computer programs encoded on storage media, for adapting a radar transmission based on a congestion level. A wireless device, such as a radar device, a UE, a base station, a vehicle, etc., may detect a congestion level of a wireless communication environment that includes the wireless device. The wireless device may have at least one of a first FOV or a first range within the wireless communication environment. The wireless device may transmit, based on the congestion level exceeding a threshold, a radar signal that corresponds to the wireless device having at least one of a second FOV or a second range in the wireless communication environment that is smaller than the at least one of the first FOV or the first range.