RF Sensor Network for Unauthorized Wireless Device Detection
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Solution Overview
Problem
The existing restrictions on using wireless devices onboard aircraft due to interference concerns are difficult to enforce, as crew members cannot visually monitor compliance with usage guidelines, and there is a risk of unintentional violations from unauthorized devices.
Innovation Solution
A system comprising RF sensors, processing units, and a T-PED detection notification system that uses cognitive radio technology to detect and locate unauthorized wireless devices, comparing their transceiving parameters to allowable settings and providing notifications to crew members.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If crew members visually monitor wireless device usage onboard aircraft, then compliance with usage guidelines can be ensured, but the complexity of manual monitoring and the impossibility of detecting unauthorized devices increase
Solution Approach 1:
The patent replaces manual visual monitoring by crew members with an automated electronic monitoring system that uses RF sensors to detect wireless devices and their transmission parameters. This substitution eliminates the need for continuous human observation while providing reliable detection of unauthorized device usage through automated comparison of detected parameters against regulatory thresholds.
Solution Approach 2:
The patent introduces RF sensors and processing units as intermediary components between wireless devices and crew members. These intermediaries automatically detect device presence, measure transmission parameters, compare them against allowable settings, and notify crew members of violations, thereby enabling reliable monitoring without direct human observation.
2Difficulty of detecting and measuring
If automated RF sensing and monitoring systems are deployed to detect unauthorized wireless devices, then compliance detection capability is improved, but the device complexity and cost increase
Solution Approach 1:
The patent integrates the monitoring system with existing aircraft infrastructure, particularly the in-flight entertainment system, allowing it to perform multiple functions including passenger entertainment and compliance monitoring. This multi-functionality reduces overall system complexity by sharing hardware resources rather than adding separate dedicated monitoring equipment.
Solution Approach 2:
The monitoring system automatically performs detection, parameter comparison, and violation identification without requiring manual intervention. The system self-configures by comparing detected transmission parameters against stored regulatory thresholds and automatically generates notifications, reducing operational complexity despite increased hardware presence.
3Loss of information
If manual visual observation is used to monitor wireless device usage, then system simplicity is maintained, but the ability to detect unintentional violations and ensure compliance is insufficient
Solution Approach 1:
The patent implements a feedback mechanism where RF sensors continuously monitor wireless transmissions, automatically compare detected parameters against regulatory thresholds, and provide real-time notifications to crew members when violations are detected. This closed-loop feedback system ensures comprehensive detection of both intentional and unintentional violations that would be impossible to detect through manual observation alone.
Solution Approach 2:
The patent replaces manual visual observation with automated electronic detection systems that can sense radio frequency transmissions beyond human capability. This substitution enables detection of unauthorized devices and transmissions that crew members cannot visually identify, significantly improving violation detection completeness.
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
Ensures compliance with regulatory standards by accurately detecting and notifying crew members of unauthorized wireless device usage, preventing interference with terrestrial and onboard systems.
Implementation Method 1
receiving RF signals from a T-PED via one or more RF sensors of a plurality of RF sensors
Data Source
AI summary
The present invention is a system and method for monitoring transmitting portable electronic devices (T-PEDs). The system may comprise one or more of the following features: (a) a plurality of radio frequency (RF) sensors; (b) a processing unit; and (c) a T-PED detection notification system. The RF sensors may be distributed throughout a given space in a substantially uniform arrangement so as to provide a nodal environment whereby the RF transmissions of a given T-PED may be associated with one or more RF sensors thereby allowing the monitoring system to calculate the location of the T-PED. In a particular embodiment of the invention, the RF sensors are integrated within the distributed network of an in-flight entertainment system of an aircraft.