Radio Link Coverage Mapping for Unmanned Sensor Platforms
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Solution Overview
Problem
Unmanned sensor platforms face challenges in maintaining reliable wireless communication links due to environmental and topographical changes, leading to potential mission termination or platform damage, as existing methods inadequately quantify communication quality and mitigate link degradation or loss.
Innovation Solution
A radio link coverage mapping system that includes a communication module to measure link quality, a position sensor to track platform location, and a controller to manage operations, enabling the generation of communication coverage information and maps to autonomously or operator-guidedly manage communication link quality, facilitating reestablishment of reliable connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the platform operates over long distances and through varying topography, then the operational range and flexibility are improved, but the communication link quality degrades due to distance and environmental interference
Solution Approach 1:
The system performs preliminary mapping of communication coverage areas before actual operations. The platform conducts survey flights to collect signal strength data and generate coverage maps, allowing operators to plan missions within reliable communication zones and avoid areas with poor signal quality
Solution Approach 2:
The system continuously monitors real-time signal strength and communication link quality, providing feedback to operators. This enables dynamic adjustment of platform position or communication parameters to maintain reliable connection during operations in challenging environments
2Productivity
If the platform increases operational performance and autonomy, then the mission capability is improved, but the risk of mission termination or damage due to communication loss increases
Solution Approach 1:
The system pre-maps communication coverage areas and identifies potential communication black spots before missions. Operators can plan autonomous flight paths that stay within reliable communication zones, ensuring mission continuity even with high-level autonomy
Solution Approach 2:
The communication coverage map serves as an intermediary tool between the autonomous platform and operators. It provides spatial information about communication reliability, enabling operators to make informed decisions about mission planning and intervention timing
3Reliability
If real-time communication link quality monitoring is implemented, then the ability to mitigate communication loss is improved, but the system complexity increases
Solution Approach 1:
The platform autonomously collects and transmits its own signal strength and position data without requiring external monitoring equipment. The system self-generates coverage maps using data from its onboard sensors and communication module
Solution Approach 2:
The communication module serves multiple functions: it maintains the operational communication link, monitors signal quality, and provides data for coverage mapping. This multi-functionality reduces the need for separate dedicated monitoring hardware
Data Source
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AI summary
Radio link coverage mapping systems and related techniques are provided to improve the operation of unmanned mobile sensor or survey platforms. A radio or communication link coverage mapping system includes a logic device configured to communicate with a communication module and a position sensor coupled to a mobile platform, where the communication module is configured to establish a wireless communication link with a base station associated with the mobile platform and the position sensor is configured to provide a position of the mobile platform as it maneuvers within a survey area. The logic device determines communication link quality data associated with the wireless communication link as the mobile platform maneuvers within the survey area, receives corresponding position data, and generates corresponding communication coverage information, which may be used to generate a radio link coverage map.