Ground Station Automatic Frequency Change for Air Traffic Control
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Solution Overview
Problem
Current air traffic control systems face challenges in handling simultaneous call transmissions due to increased radio traffic, leading to signal interference and high operational costs as operators must manually manage and confirm communications with pilots, which is inefficient and labor-intensive.
Innovation Solution
An air traffic control system with an acknowledgement member and indication unit that automatically detects and communicates with aircraft radios, allowing pilots to acknowledge receipt of information without verbal communication, and using optical or acoustic indicators to inform operators of transmission status, thereby reducing manual intervention and interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual detection and communication methods are used to handle simultaneous call transmissions, then operators can ensure pilots change frequency to avoid interference, but operator workload and operational costs increase dramatically
Solution Approach 1:
The system enables automatic detection of simultaneous call transmissions and automated frequency change instructions to be sent to aircraft radios. The ground system independently monitors radio traffic, detects SCT conditions, and communicates frequency changes without requiring operator intervention, allowing the system to serve itself
Solution Approach 2:
The patent replaces the manual mechanical process of operator detection and verbal communication with an automated electronic system. The ground system uses electronic signal processing to detect SCT and automatically transmits frequency change instructions via data link to aircraft radios, substituting human operators with electronic automation
2Object-affected harmful factors
If operators manually inform all pilots about simultaneous call transmission, then communication interference is avoided, but time and effort are significantly consumed
Solution Approach 1:
The ground system continuously monitors radio traffic and automatically detects simultaneous call transmissions in real-time. Frequency change instructions are prepared and transmitted automatically as soon as SCT is detected, without waiting for manual operator assessment, thus preventing interference while minimizing time loss
Solution Approach 2:
The system establishes automated feedback loops where the ground system receives confirmation from aircraft radios about their current frequency status, detects SCT conditions, and automatically sends frequency change instructions. This closed-loop feedback system rapidly responds to interference conditions without manual intervention
3Loss of information
If pilots manually confirm receipt of frequency change information, then accurate communication is ensured, but the number of manual confirmations increases operational complexity
Solution Approach 1:
The patent replaces manual verbal confirmation with automated electronic acknowledgment. Aircraft radios automatically send digital confirmation signals to the ground system when they receive and process frequency change instructions, substituting the manual confirmation process with electronic automation while maintaining information accuracy
Data Source
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AI summary
An air traffic control system (10) is described that comprises at least two aircraft radios (18, 20) and a ground system (12). The ground system (12) has an operator device (22) and at least one ground radio station (24) configured to communicate with the at least two aircraft radios (18, 20). The ground system (12) has a simultaneous transmission detection unit (26) that is configured to detect at least two aircraft radio signals received simultaneously by the at least one ground radio station (24). The at least one ground radio station (24) is configured to forward information with regard to the simultaneous transmission detection of at least two aircraft radio signals to at least one of the at least two aircraft radios (18, 20). Furthermore, a method of simultaneous call transmission handling is described.