Method and device for decreasing frequency of erasing and writing subscriber identity module files

Abstract

The invention discloses a method and a device for decreasing the frequency of erasing and writing subscriber identity module files, which are used for solving the problems of too short service lives of subscriber identity modules, unsmooth business operation and the like due to the fact that the subscriber identity modules are erased and written frequently in businesses of the internet of things in the environment of the internet of things. The method employs linear fixed-length files infrequently used in some businesses of a subscriber identity module, pre-reading fixed-length files enter a terminal storage area, the operating speed of a business system is increased, erasing and writing for the subscriber identity module are firstly stored in a terminal storage card in operation of the business system, and then the subscriber identity module is erased and written after read-in conditions are met, so that the frequency of visiting the subscriber identity module is decreased effectively, and the service life of the subscriber identity module is prolonged.

Description

technical field [0001] The invention relates to the technical field of machine type communication terminals, in particular to a method and a device for reducing the number of user identification card erasing and writing operations. Background technique [0002] The Internet of Things, as an important part of the emerging high-tech industry, has been regarded as one of the key technologies for coping with the economic crisis and revitalizing the economy by countries all over the world. IoT services can be widely applied to many industries, including vehicles, electric power, finance, environmental protection, petroleum, personal and corporate security, hydrology, military, fire protection, meteorology, coal, agriculture and forestry, elevators, etc. According to experts' estimates, in the next few years, the Internet of Things business will rapidly enter many industries, and the number of users will also grow rapidly. It is estimated that by the end of 2012, the number of Int...

AI Technical Summary

Problems solved by technology

[0003] In view of this, the main purpose of the present invention is to provide a method and device for reducing the number of user identification card file erasing and writing operations, which is used to solve the problem of frequent erasing and writing of user identification cards by Internet of Things services in the Internet of Things environment, resulting in the failure of user identification cards. Problems such as short service life and unsmooth business operation

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