Device Auto Pairing via NFC Parameter Exchange
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Solution Overview
Problem
The existing pairing mechanisms for user devices, such as smartphones and tablets, are cumbersome and time-consuming due to the need for manual input and exchange of pairing parameters, which complicates the establishment of a communicative connection using short-range communication technologies like NFC or Bluetooth.
Innovation Solution
A device-to-device (D2D) pairing assembly that includes detecting and communicating areas with corresponding components, a microprocessor, and a device pairing parameter exchange utility to automatically detect and exchange pairing parameters between user devices placed in proximity, enabling direct device-to-device pairing without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual pairing parameter exchange is used, then pairing security is maintained, but pairing time and operational complexity increase
Solution Approach 1:
The system performs preliminary actions by pre-establishing trusted relationships between devices and pre-configuring pairing parameters. When a new pairing is needed, the system retrieves and applies pre-configured security credentials, eliminating the need for real-time manual parameter exchange while maintaining security standards.
Solution Approach 2:
The patent introduces a pairing server as an intermediary that facilitates automatic pairing by mediating the exchange of pairing parameters. The server acts as a trusted third party that securely distributes pre-configured pairing credentials to devices, enabling automatic pairing without direct manual intervention between devices while maintaining security through centralized credential management.
2Measurement precision
If manual pairing parameter input is required, then pairing accuracy is ensured, but ease of operation deteriorates
Solution Approach 1:
The system implements self-service pairing where devices automatically perform the pairing process without manual user input. The devices autonomously retrieve pairing parameters from local storage or receive them automatically via NFC communication, and complete the pairing sequence independently, eliminating manual typing or selection while maintaining accurate parameter exchange.
Solution Approach 2:
The patent replaces the mechanical interaction of manual parameter input (typing, selecting, and confirming pairing codes) with automatic electronic processes. NFC technology enables contactless automatic parameter transfer, and software automation handles the pairing sequence, substituting manual mechanical operations with automated electronic systems that maintain accuracy while improving ease of operation.
3Productivity
If touch and tap methodology is used, then pairing speed is improved, but device complexity increases
Solution Approach 1:
The system merges multiple functions into a unified automatic pairing process. The pairing utility combines parameter retrieval, NFC communication initiation, and pairing confirmation into a single automated sequence triggered by simple user actions. This consolidation maintains fast pairing speed while reducing the apparent complexity by hiding internal process complexity from the user.
Solution Approach 2:
The pairing server acts as an intermediary that manages the complexity of pairing parameter generation and distribution. By offloading complex cryptographic operations and parameter management to the server, individual devices can maintain simpler implementations while still achieving fast pairing through the coordinated automated process facilitated by the intermediary server.
Data Source
AI summary
A device-to-device (D2D) pairing assembly comprises: a first and a second device detecting and communicating (DDC) component communicatively coupled to each other and to a microprocessor that executes a device pairing parameter exchange (DPPE) utility, which configures the D2D pairing assembly to: detect a communicative coupling of a first user device to the first DDC component; receive from the first user device at least one first pairing parameter, which first pairing parameter enables another device to connect to and participate in a pairing session with the first user device; detect a communicative coupling of a second user device to the second DDC component; and communicate the at least one first pairing parameter to the second user device, via the second DDC component, to trigger the second user device to connect to and participate in a pairing session with the first user device via a direct device-to-device communication channel.