Cellular UAV Communication Layers Using Skyward Antenna Diversity
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Solution Overview
Problem
Existing cellular communication systems are inadequate for providing reliable and continuous communication with unmanned aerial vehicles (UAVs) and remotely piloted vehicles (RPVs) due to limited satellite bandwidth, high path loss, and interference issues, especially when operating in controlled airspace.
Innovation Solution
A cellular communication system is configured with skyward-pointing antennas on existing cellular network towers, utilizing frequency and polarization diversity to create multiple communication layers, ensuring continuous coverage for UAVs and RPVs by separating ground and aerial communications, and implementing unique identification protocols for aerial vehicles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If skyward-pointing antennas are added to existing cellular towers to enable aerial vehicle communication, then communication coverage for UAVs and RPVs is improved, but device complexity and network interference increase
Solution Approach 1:
The patent makes existing cellular infrastructure multi-functional by enabling ground-based transceivers to serve both traditional mobile devices and aerial vehicles simultaneously. The system achieves this through protocol differentiation and identification mechanisms that allow a single transceiver to handle multiple types of communications without requiring separate dedicated infrastructure for each application.
Solution Approach 2:
The patent segments the communication space into ground-based and aerial layers by introducing unique identification protocols and radiation pattern control. This segmentation allows the system to differentiate between ground mobile devices and aerial vehicles, applying appropriate communication parameters and frequency management to each layer while using the same physical infrastructure.
2Object-affected harmful factors
If frequency and polarization diversity are implemented to create multiple communication layers, then interference between ground and aerial communications is reduced, but device complexity increases
Solution Approach 1:
The patent changes communication parameters including frequency selection and polarization orientation to differentiate between ground and aerial communications. By adjusting these physical parameters, the system creates distinct communication layers that minimize interference while maintaining compatibility with existing cellular infrastructure.
Solution Approach 2:
The patent introduces polarization as an additional dimension for signal differentiation. By utilizing different polarization orientations (horizontal, vertical, circular) in addition to frequency differentiation, the system creates multi-layered communication channels that reduce interference between ground-based and aerial vehicle communications.
3Reliability
If unique identification protocols are implemented for aerial vehicles, then communication reliability and airspace compliance are improved, but device complexity increases
Solution Approach 1:
The patent implements self-service mechanisms where aerial vehicles automatically register and identify themselves to the cellular network using unique identification protocols. The system autonomously manages airspace compliance and communication channel assignment without requiring manual configuration or external control, reducing operational complexity while maintaining reliability.
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
Enables reliable and continuous communication with UAVs and RPVs by minimizing interference and ensuring consistent link margins through frequency and polarization diversity, allowing compliance with controlled airspace regulations and commercial activities.
Implementation Method 1
utilizing frequency and polarization diversity to create multiple communication layers
Implementation Method 2
utilizing frequency and polarization diversity to create multiple communication layers
Implementation Method 3
fixed location transceivers... provide two way wireless communications
Data Source
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AI summary
A cellular type communications system for cellular telephone networks to operate, control and communicate with unmanned aerial vehicles and remote piloted vehicles, the system including a first near-ground region to communicate with devices near the ground, as well as one or more layers covering roughly the same areal extent as the ground region but which are separated from each other and also elevated above ground substantially, and within which an aerial vehicle may rely on communications using the cell-based communications network.