Ground Communication Gateway for Seamless ATC Sector Handoffs
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Solution Overview
Problem
Existing communication methods between remote pilots and air traffic control, as well as between remote piloted UAM vehicles and other vehicles, face issues such as delays, communication failures, congested radio channels, poor reception, and the need for manual frequency tuning, which divert the pilot's attention and lead to bandwidth overuse.
Innovation Solution
A system and method that utilize ground-based communication gateway devices to establish and switch connections automatically or semi-automatically between air traffic control sectors, enabling continuous two-way voice communication by processing and transmitting digital or analog data between user devices, air traffic control stations, and vehicles, thereby maintaining situational awareness and preserving bandwidth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If air to ground VHF radio is installed on board UAM vehicle for voice communication, then two-way communication with air traffic control is enabled, but communication delays and channel congestion occur
Solution Approach 1:
A ground-based communication gateway device is introduced as an intermediary between the UAM vehicle and air traffic control. The gateway receives voice communication data from the vehicle via data link, converts it to analog signal, and transmits it through radio to air traffic control. This intermediary approach enables more efficient communication by optimizing the transmission path and reducing delays associated with direct vehicle-to-ground radio communication.
Solution Approach 2:
The patent replaces traditional radio-based voice communication (mechanical/electromagnetic wave transmission) with a data link-based communication system. The voice communication data is transmitted digitally through data link to the ground gateway, which then handles the radio transmission. This substitution reduces channel congestion and improves communication efficiency by separating the data transmission and voice transmission paths.
2Reliability
If remote pilot manually tunes radio frequency when entering different air traffic control sectors, then communication with current sector is maintained, but pilot attention is diverted from vehicle operation
Solution Approach 1:
The ground-based communication gateway device automatically performs frequency tuning and sector switching without requiring pilot intervention. The gateway monitors the UAM vehicle's position and automatically adjusts communication parameters when the vehicle enters different air traffic control sectors. This self-service capability maintains communication continuity while freeing the pilot to focus entirely on vehicle operation.
Solution Approach 2:
The ground gateway device proactively prepares communication parameters for upcoming sector transitions based on the vehicle's flight path and position. Before the vehicle actually enters a new sector, the gateway has already configured the appropriate frequency and communication settings, ensuring seamless transition without requiring last-minute manual adjustments by the pilot.
3Reliability
If traditional radio communication methods are used, then voice communication is established, but bandwidth is overused and reception quality deteriorates
Solution Approach 1:
The patent replaces traditional analog radio voice communication with a digital data link-based system. Voice communication data is transmitted as digital packets through the data link to the ground gateway, which then converts to analog signal only when necessary for radio transmission. This substitution significantly reduces bandwidth consumption by using efficient digital protocols and only converting to analog at the final transmission stage, while improving reception quality through digital signal processing.
Data Source
AI summary
Disclosed are methods, systems, and computer-readable medium for facilitating remote user airspace communication. For instance, the method may include: connecting with a user device associated with and remote from a first vehicle in a shared air traffic control sector; receiving voice communication data from at least one of the user device, a second vehicle in the shared air traffic control sector, and an air traffic control station in the shared air traffic control sector; generating analog data or digital data based on the received voice communication data; determining a recipient for the generated analog data or generated digital data in the shared air traffic control sector; transmitting the generated analog data or generated digital data to the recipient; and terminating the connection with the user device as the first vehicle leaves the shared air traffic control sector.