Mobile device and method for wireless data exchange

The mobile device's UICC configuration with unique interface modules for each profile addresses NFC access limitations, enhancing security and resource efficiency by ensuring exclusive access and resetting modules for added profiles.

WO2026017616A1 Publication Date: 2026-01-22GIESECKE DEVRIENT MOBILE SECURITY GERMANY GMBH
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Patent Information

Application Number
PCT/EP2025/070060
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-07-16
Filing Date
2025-07-14
Publication Date
2026-01-22

AI Technical Summary

Technical Problem

Existing mobile devices face limitations in efficiently managing multiple profiles for Near Field Communication (NFC) access, leading to potential security issues and inefficient resource utilization due to shared interface modules.

Method used

A mobile device configuration with a UICC that stores multiple profiles, each assigned to a unique interface module, allowing exclusive access to the contactless interface, with modules being reassigned or reset to default states when profiles are removed or added, ensuring secure and efficient resource use.

Benefits of technology

Enhances security and optimizes resource utilization by ensuring only one profile can access the contactless interface at a time, preventing data leakage and optimizing interface module usage.

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Abstract

A mobile device (100) is disclosed. The mobile device exchanges data in a wireless manner. The mobile device includes: an application processor (110); a baseband modem (120); a universal integrated circuit card (UICC) (130), operatively connected to the base-band modem (120) via a first interface (131); and a contactless interface (140), operatively connected to the UICC (130) via a second interface (139). The UICC (130) stores multiple profiles (151, 152, 153, 154), each of which can selectively be in an enabled state or a disabled state. The UICC (130) stores multiple interface modules (161, 162, 163), each of which allows access of one of the profiles (151, 152, 153, 154) stored in the UICC (130) to the contactless interface (140) via the second interface.
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