Mobile Payment Bridging for Offline Vending Connections
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Solution Overview
Problem
Vending machines and other payment accepting units require persistent network connections for cashless payments, which are unavailable in remote locations, limiting their functionality and user convenience.
Innovation Solution
A mobile-device-to-machine payment processing system using short-range communication technologies and a server bridge, enabling cashless transactions over non-persistent connections through a hands-free or manual 'swipe-to-pay' mode, with an adapter module facilitating communication between mobile devices and vending machines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If persistent network connections are required for cashless payments, then payment security and reliability are improved, but device complexity and installation requirements worsen
Solution Approach 1:
The mobile device serves as an intermediary between the payment accepting unit and the payment network. It stores payment credentials locally and communicates with the payment accepting unit via short-range communication, eliminating the need for persistent network connections at the payment terminal while maintaining security through tokenization and encrypted communications.
Solution Approach 2:
The system transitions from a traditional model where network connectivity is required at the payment terminal to a model where network connectivity is shifted to the mobile device dimension. This allows payment processing offline at the terminal, with synchronization occurring later when the mobile device reconnects to the network.
2Reliability
If persistent network connections are implemented, then transaction authorization is improved, but ease of operation and user convenience worsen
Solution Approach 1:
Payment credentials and authorization tokens are pre-loaded onto the mobile device before the user arrives at the payment terminal. This preliminary action enables immediate payment processing without requiring the user to wait for network connectivity or perform manual authentication steps at the terminal.
Solution Approach 2:
The mobile device autonomously handles authentication and authorization by presenting stored credentials and tokens to the payment accepting unit. The system performs self-service payment processing without requiring continuous network verification at the point of sale, improving user convenience while maintaining security.
3Ease of operation
If short-range communication is used for payment processing, then ease of operation is improved, but communication reliability worsens
Solution Approach 1:
The system uses periodic synchronization between the mobile device and payment network. While short-range communication enables rapid transaction processing, the mobile device periodically reconnects to the network to update credentials, verify tokens, and synchronize transaction history, ensuring long-term reliability without compromising transaction speed.
Data Source
AI summary
A mobile device with a first transceiver, a second transceiver, one or more processors, and memory bridges communications between an offline retail machine with a short-range communication capability and a remote server by obtaining via the first transceiver a single-use request code from an information packet broadcast by the offline retail machine; transmitting via the second transceiver the single-use request code to a remote server; obtaining via the second transceiver from the remote server a grant token including the single-use request code; detecting a trigger condition for initiating provision of a product or service by the offline retail machine; and in response to detecting the trigger condition, initiating performance of the provision of the product or service by transmitting the grant token to the offline retail machine via the first transceiver.