NFC Application Preselection via Tag Data Detection
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Solution Overview
Problem
Current NFC standards make it difficult for multiple applications to share the same connection parameters, leading to conflicts and requiring user intervention for preselection, which is not ergonomic and can depreciate NFC technology, especially in time-critical transactions.
Innovation Solution
A method for automatically preselecting one or more applications in a mobile communication device using NFC technology, allowing rapid selection without user interface interaction, by reading information from a contactless electronic tag and switching between modes to identify and validate application parameters, with options for temporary or permanent validity and over-the-air application download.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple applications use the same NFC connection parameters, then application compatibility is improved, but application conflicts occur due to incompatible communication settings
Solution Approach 1:
The system performs preliminary detection of NFC parameters during the connection establishment phase, before applications are fully activated. This allows the system to identify compatible applications in advance and prevent conflicts before they occur, resolving the contradiction between allowing multiple applications to share parameters and preventing application conflicts
Solution Approach 2:
The patent introduces an intermediary mechanism that mediates between multiple applications seeking to use NFC parameters. This intermediary layer detects parameter compatibility and manages application selection, allowing multiple applications to coexist without direct conflict while maintaining system reliability
2Measurement precision
If user intervention is required for application preselection, then application selection accuracy is improved, but transaction time increases which is critical in transport applications
Solution Approach 1:
The system implements self-service by automatically detecting NFC parameters and selecting compatible applications without requiring user intervention. The system serves itself by performing compatibility detection and application selection autonomously, maintaining accuracy while eliminating the time loss associated with manual user input
Solution Approach 2:
The system performs preliminary detection and selection of compatible applications during the initial connection phase, before the actual transaction begins. This preliminary action ensures accurate application selection is made in advance, preventing time loss during critical transaction moments in transport applications
3Reliability
If NFC parameters are strictly tested by the reader, then connection reliability is improved, but applications with non-matching parameters are rejected even when they could function
Solution Approach 1:
The system dynamically changes and adapts NFC parameters based on the detected target device and application requirements. Rather than strictly enforcing fixed parameters, the system modifies parameters to achieve reliable connections while accepting a broader range of applications, resolving the contradiction between connection reliability and application acceptance
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 fast, user-friendly, and automatic preselection of applications that can share the same parameters, reducing user intervention and enhancing the efficiency of NFC transactions, particularly in scenarios like transport networks.
Implementation Method 1
The technology is based on data transmission via the modulation of a magnetic field produced by the coil of a reader (PCD or Proximity Coupling Device) and return data transmission via the modulation of the current induced by coupling in the coil of a card (PICC: Proximity Integrated Circuit Card)
Data Source
AI summary
The invention relates to a method for the preselection of at least one application hosted in a secure or non-embedded element in a mobile communication device comprising an NFC system, the said device being capable of accessing and reading data stored in a target NFC system, of the contactless tag or card type, the said NFC system being capable of operating in at least two communication modes including a reader mode, and a card emulation mode, or a Peer-to-Peer mode. When the NFC system is in the reader mode, an application is preselected during a stage wherein data stored in the said target NFC system are read.