Airfield LiFi System for High-Speed Data Exchange
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The capacity limitations of the crowded radio frequency (RF) spectrum constrain wireless data exchange requirements for advanced computing applications, particularly in aerodrome environments where reliable and efficient data communication is critical for safety and efficiency.
Innovation Solution
Implementing a Light Fidelity (LiFi) system using airfield LED lamps and photo detectors positioned along runways to establish optical wireless data communications with aircraft, enabling data exchange and real-time monitoring of aircraft parameters to predict potential runway incursions and excursions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If radio frequency (RF) spectrum is used for wireless data exchange, then wireless communication capability is provided, but capacity limitations constrain data exchange requirements
Solution Approach 1:
The patent transitions from radio frequency (RF) spectrum to visible light spectrum for wireless communication, effectively moving the communication medium to a different dimensional space (electromagnetic spectrum frequency range). This allows utilization of the abundant visible light spectrum (400-790 THz) which has vastly greater bandwidth capacity compared to the crowded RF spectrum, thereby resolving the capacity limitation constraint.
Solution Approach 2:
The invention changes the fundamental parameter of communication frequency from RF range (MHz-GHz) to visible light range (THz). This parameter change enables dramatically increased data transmission capacity and bandwidth availability, directly addressing the capacity limitations of conventional RF-based wireless communication systems.
2Speed
If LiFi system is implemented using LED lamps and photo detectors, then high-speed data communication is achieved, but installation complexity increases
Solution Approach 1:
The patent makes existing airfield LED lighting infrastructure serve dual purposes: providing illumination and enabling LiFi data communication. By integrating communication functionality into the existing lighting system, the patent avoids the need for separate dedicated communication hardware, thereby reducing installation complexity while achieving high-speed data communication.
Solution Approach 2:
The system utilizes the existing airfield LED lighting infrastructure to provide both lighting and communication services. The LED lamps already installed in the airfield environment are repurposed to serve the additional function of optical wireless communication, eliminating the need for separate communication infrastructure installation.
3Use of energy by moving object
If optical wireless communication is used instead of RF, then energy consumption is reduced, but communication range is limited
Solution Approach 1:
The patent applies optical wireless communication specifically to the airfield environment where LED lighting infrastructure already exists and where line-of-sight conditions are generally favorable. The communication system is deployed in localized areas (airfield, runway, taxiway) where the energy efficiency benefits of LiFi can be maximized, while the communication range is sufficient for the specific operational context.
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
Enhances the safety and efficiency of aerodrome operations by providing high-speed, secure data communication outside the RF spectrum, reducing energy consumption, and simplifying installation, while enabling real-time alerts and notifications for potential safety threats.
Implementation Method 1
transmitting airfield data communications to at least one aircraft photo detector onboard the aircraft, via the plurality of airfield LED lamps
Implementation Method 2
receiving aircraft data communications from the at least one aircraft LED lamp onboard the aircraft, via the plurality of airfield photo detectors
Data Source
AI summary
A method for using an airfield Light Fidelity (LiFi) system in an airfield to exchange optical wireless data communications with an aircraft. The method (i) detects aircraft exterior lights including aircraft LED lamps, via a plurality of airfield photo detectors, wherein the airfield LiFi system comprises the plurality of airfield photo detectors positioned at intervals along a runway of the airfield; (ii) in response to detecting the aircraft exterior lights, establishes a communication connection to an aircraft LiFi system comprising the aircraft LED lamps and aircraft photo detectors, by the airfield LiFi system; and (iii) exchanges the optical wireless data communications via the communication connection, by the airfield LiFi system, by: receiving communications from aircraft LED lamps, via airfield photo detectors; transmitting communications to aircraft photo detectors, via airfield LED lamps; and presenting ground station notifications.