Mobile terminal and method for implementing user recognition module non-contact application

Abstract

The invention provides a method for achieving non-contact application at a mobile terminal. The mobile terminal comprises antennae, a non-contact front end, a base band unit, and a user identification module. The method comprises the following steps: an indirect transmission channel is established between the non-contact front end and the user identification module through the base band unit; non-contact application commands are transmitted through the indirect transmission channel between the user identification module and the non-contact front end, thus achieving the non-contact application. The invention further provides a terminal for achieving the method. The prior mature art of the mobile terminal is fully utilized on the premise of keeping the physical interface of an SIM card and the software features unchanged, thus achieving the non-contact function of the SIM card, reducing the input cost for development and accelerating the industrialization.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a mobile terminal and a method for realizing non-contact application of a user identification module. Background technique [0002] At present, contactless payment based on mobile phones is developing rapidly. For example, using mobile phones to "swipe card" for consumption in vehicles, shopping in convenience stores, etc. This kind of non-contact application greatly facilitates users. [0003] At present, the European Telecommunications Standards Institute (ETSI) has defined a direct physical connection between the Contactless Frontend (CLF) and the SIM card through the Single Wire Protocol (SWP) interface to realize the non-contact of the SIM card. The technical specifications of the contact function, the SWP interface is a new physical interface added to the SIM card, here we call it the CLF-SIM direct interface mode. Such as figure 1 As shown, the components of the CLF-S...

AI Technical Summary

Problems solved by technology

[0004] The core technology of the CLF-SIM direct interface mode is the SWP single-wire protocol, which is realized by the C6 pin of the SIM card, but the SWP single-wire protocol proposes a large modification requirement to the traditional SIM card physical interface, and its implementation is subject to The number of SIM card pins is limited, and the SWP single-wire protocol is difficult to implement. At present, it has not been widely commercially proven, and there are certain commercial risks.

In commercial manufacturing, in order to increase the CLF-SIM direct interface mode, it is necessary to make corresponding changes to both the mobile phone terminal and the SIM card, which has a great impact on the industrial chain

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