Wireless Smart Device Reader Multi-Protocol Transaction Handling
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Solution Overview
Problem
Conventional wireless smart device readers are unable to interact with both ISO 14443-4 and MIFARE® applications on the same wireless smart device during a common transaction, limiting transaction options and failing to transition between these applications.
Innovation Solution
A wireless smart device reader system with a MIFARE® transaction module, an ISO 14443-4 module, and a transaction type identification module that detects and communicates with both ISO 14443-4 and MIFARE® applications, allowing for the detection of termination of ISO 14443-4 transactions and subsequent communication with the MIFARE® application for completing the transaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional wireless reader attempts an ISO 14443-4 transaction, then the transaction may be terminated for various reasons, but the reader cannot transition to a MIFARE® transaction
Solution Approach 1:
The reader system dynamically switches between ISO 14443-4 and MIFARE® transaction modes based on real-time detection of transaction status. The system transitions from a static single-protocol approach to a dynamic multi-protocol approach, enabling the reader to adapt its communication protocol mid-transaction based on detected termination conditions.
Solution Approach 2:
The reader system is designed to support multiple transaction types (both ISO 14443-4 and MIFARE®) within a single device. By integrating capability for both transaction protocols and implementing logic to switch between them, the reader achieves multi-functionality, allowing it to handle diverse transaction requirements using the same hardware platform.
2Adaptability or versatility
If the reader supports both ISO 14443-4 and MIFARE® applications, then transaction options are expanded, but the ability to manage and transition between applications during a common transaction is lacking
Solution Approach 1:
The system employs feedback mechanisms by continuously monitoring the status of ISO 14443-4 transactions and detecting termination conditions. This feedback triggers automatic transitions to MIFARE® transactions, creating a closed-loop control system that manages multiple applications based on real-time transaction outcomes without requiring complex manual intervention.
Solution Approach 2:
The reader system acts as an intermediary that mediates between different application protocols (ISO 14443-4 and MIFARE®). It manages the transition between these protocols by detecting termination in one and initiating the other, effectively mediating the interaction between incompatible transaction types and simplifying the overall transaction management process.
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 seamless interaction and completion of transactions using both ISO 14443-4 and MIFARE® applications on the same wireless smart device, enhancing transaction flexibility and user experience by allowing for the detection and handling of multiple application types during a common transaction.
Implementation Method 1
The wireless reader modulates the loading on its antenna in order to amplitude-modulate a radio frequency (RF) field
Implementation Method 2
a wireless smart device, such as a mobile phone with a built-in PICC capable of Near Field Communication with a PCD, may communicate with a reader via inductive coupling of the reader antenna to the device antenna
Implementation Method 3
The wireless smart device communicates with the reader in a similar way by modulating the loading on its antenna
Data Source
AI summary
Methods, systems, and computer program products for interacting with ISO 14443-4 and MIFARE® applications on the same wireless smart device during a common transaction are disclosed. According to one aspect, the method includes detecting and communicating with an ISO 14443-4 application located on a wireless smart device that includes an ISO 14443-4 and a MIFARE® application to perform at least part of the common transaction. Termination of the ISO 14443-4 application is detected, and the MIFARE® application located on the wireless smart device is detected and communicated with for performing at least part of the common transaction.