Wearable NFC Relay for Mobile Payment Transaction Latency
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Solution Overview
Problem
Existing electronic devices experience time delays in transactions between a mobile electronic device and an NFC reader due to the need for additional communication processes through a wearable electronic device, which can lead to failed payments or user inconvenience.
Innovation Solution
A wearable electronic device controls transactions between a mobile electronic device and an NFC reader using a provisioning process that applies cached methods learned from another device, allowing direct and efficient data communication, thereby reducing time delays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a wearable electronic device is used as an intermediary for communication between a mobile electronic device and an NFC reader, then user convenience is improved, but time delay increases and transaction reliability deteriorates
Solution Approach 1:
The mobile electronic device performs a provisioning process in advance to store cached data (including communication protocols, transaction parameters, and response templates) in the wearable electronic device. This preliminary action enables the wearable device to quickly relay pre-prepared information during actual transactions, reducing real-time communication delays while maintaining the convenient intermediary communication model.
2Ease of operation
If a wearable electronic device is used as an intermediary for communication between a mobile electronic device and an NFC reader, then user convenience is improved, but transaction reliability deteriorates
Solution Approach 1:
The system implements a feedback mechanism where the mobile electronic device monitors transaction outcomes and updates the cached data in the wearable device accordingly. Successful transactions refine the cached responses, while failed transactions trigger re-provisioning or protocol adjustments, ensuring the cached information remains reliable and up-to-date for future transactions.
3Loss of time
If direct communication is used between a mobile electronic device and an NFC reader, then time delay is reduced, but the ability to provide wireless communication services through wearable devices is lost
Solution Approach 1:
The communication process is segmented into two phases: a provisioning phase where the mobile device configures the wearable device with cached data, and a transaction phase where the wearable device independently relays pre-prepared information. This segmentation allows the wearable device to function as a capable intermediary without requiring real-time processing, thus minimizing delays while preserving wireless service capability.
4Adaptability or versatility
If additional communication processes are added through a wearable electronic device, then wireless communication functionality is enhanced, but device complexity increases
Solution Approach 1:
The mobile electronic device creates a simplified copy of its communication capabilities by storing cached data (protocols, parameters, response templates) in the wearable device. This copying approach allows the wearable device to function as an independent communication intermediary without requiring complex real-time processing logic, thus enhancing wireless functionality while keeping the system manageable.
Data Source
AI summary
According to an embodiment, an electronic device, comprises a first communication circuit configured to support near-field communication (NFC); a second communication circuit configured to support wireless communication; at least one memory device; and at least one processor operationally connected with the first communication circuit, the second communication circuit, and the at least one memory device, wherein the at least one memory device stores instructions, when executed, cause the at least one processor to perform operations comprising: receive, from a first external electronic device via the first communication circuit, a first request for the first external electronic device to perform a transaction with a second external electronic device, in response to the first request: transmit the first request via the second communication circuit to the second external electronic device; and transmit a first response, corresponding to the first request, the first response including data stored in the at least one memory device, to the first external electronic device via the first communication circuit, and receive a second response corresponding to the first request from the second external electronic device via the second communication circuit, the second response containing at least part of the first response.