Voice Channel Data Transmission for UAV Control
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Solution Overview
Problem
Current wireless communication networks face challenges in managing access requests from a large number of devices, leading to performance degradation and access delays, particularly in scenarios involving IoT devices and UAVs, where reliable and continuous communication is critical but often hindered by limited coverage and network overload.
Innovation Solution
The solution employs voice channels in mobile communication systems, utilizing the reliable and low-latency properties of circuit-switched connections to transmit control signals without automatic repeat requests (ARQs), mapping data onto the frequency spectrum of voice channels, and using discrete Fourier transforms to ensure uninterrupted communication by discarding corrupted frames and utilizing integer multiples of frequency resolution for robust signal transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data is transmitted over wireless communication networks using conventional data channels, then the transmission can carry user data, but the network experiences performance degradation and access delays due to limited coverage and network overload
Solution Approach 1:
The patent repurposes voice channels, originally designed for voice communication, to carry data transmission. By mapping data onto the frequency spectrum of voice channels and utilizing circuit-switched connections, the system achieves reliable data transmission with low latency. This multi-functional use of voice channels resolves the contradiction by providing a alternative transmission path that is not subject to the same congestion and coverage limitations as conventional data channels.
2Adaptability or versatility
If the network serves a large number of devices including IoT devices and UAVs, then network coverage is extended, but performance degradation and access delays occur due to network overload
Solution Approach 1:
The patent introduces voice channels as an intermediary transmission medium for data communication. By mapping data onto voice channel frequency spectra and using circuit-switched connections as a mediator, the system bypasses the congested packet-switched data channels. This intermediary approach allows numerous devices to communicate reliably without contributing to the overload of conventional data channels, thus maintaining network performance while extending coverage.
3Loss of information
If conventional packet-switched data channels are used for control signal transmission, then data can be transmitted, but automatic repeat requests (ARQs) increase latency and reduce real-time control capability
Solution Approach 1:
The patent replaces the packet-switched mechanical transmission system with a circuit-switched system originally designed for voice communication. By mapping data onto voice channel frequency spectra and utilizing the circuit-switched connection's inherent reliability and low latency, the system eliminates the need for ARQ protocols. This substitution resolves the contradiction by providing deterministic transmission timing while maintaining data integrity, enabling real-time control applications.
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
This approach provides a reliable, real-time, and virtually unlimited coverage for controlling devices like UAVs, ensuring smooth operation and accurate localization with low latency and high accuracy, even in areas with weak infrastructure, by leveraging the robustness of voice communication networks.
Implementation Method 1
mapping data onto the frequency spectrum of voice channels, and using discrete Fourier transforms to ensure uninterrupted communication
Data Source
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AI summary
Methods and apparatuses for providing control signals for a transmission from a transmitting device to a receiving device using a mobile communication connection that comprises a voice channel are described. The control signals are used for controlling the operation of the receiving device.