CN114390483A

CN114390483A - Method for realizing self-switching based on number portability and network switching of eSIM (embedded subscriber identity Module) remote communication module

Info

Publication number: CN114390483A
Application number: CN202111659720.5A
Authority: CN
Inventors: 葛玉磊; 闫延辉; 苏超; 马瑞祥; 王文亮
Original assignee: Qingdao Topscomm Communication Co Ltd
Current assignee: Qingdao Topscomm Communication Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-04-22

Abstract

The invention discloses a method for realizing self-switching based on number portability and network switching of an eSIM (embedded programmable logic controller) remote communication module. The eSIM remote communication module uses the plug-in card by default, and when the plug-in card cannot be detected, the eSIM patch card can be automatically switched to. The eSIM patch card supports empty writing of code numbers of different operators, and can be automatically switched to other operators under the condition of keeping the code numbers unchanged according to the field environment, so that the online rate of the remote communication module is realized. The invention solves the problem that the SIM card needs to be manually changed on site due to the field network environment factors or the user service change, and also solves the problem of management confusion caused by different numbers of different operators involved by the user.

Description

Method for realizing self-switching based on number portability and network switching of eSIM (embedded subscriber identity Module) remote communication module

Technical Field

The invention relates to the technical field of wireless communication, in particular to a method for realizing self-switching based on number portability and network switching of an eSIM (embedded subscriber identity module) remote communication module.

Background

A large number of wireless remote communication modules and matched traditional plug-in SIM cards are used in the current power utilization information acquisition system, and the plug-in SIM cards are indispensable as mobile communication information carriers. For the condition of multi-master station data transmission, two or even a plurality of plug-in SIM cards can be used, so that the size cannot be reduced due to the number of the plug-in SIM cards. In addition, traditional plug SIM card is difficult to satisfy the harsh conditions such as humiture, salt fog and vibrations, and because the inconvenient management of plug that can be random, the security also can't be ensured, needs the manual work to change plug SIM card to the scene under the network environment that the signal is weak, especially some mountain areas are far away from the place, just need half a day or even one day time to make a round trip, if need change the SIM card of a plurality of different regional equipment simultaneously, then greatly increased time cost and human cost. With the rapid development of the technology of the surface-mounted eSIM card in mobile communication, the technology is gradually introduced in the field of power consumption information acquisition systems. Standardization of surface mount eSIM cards has gone through several stages in the global system for mobile communications association (abbreviated as "GSMA"), ranging from the first M2M to automotive interconnects, from consumer electronics terminals to industry terminals.

The number portability is also called code number portability, namely, the mobile phone can become another operator user without changing the number of the mobile phone and enjoy various services provided by the operator user. In 2019, the Ministry of industry and communications holds a number portability to start ceremonies, and three operators formally enter a trial run stage. In addition, the waste of code number resources is greatly saved by number portability.

Therefore, the number portability and network switching based on the eSIM remote communication module realize self-switching, and can effectively solve the problems of large occupied area of the traditional plug-in SIM card, time consumption and labor cost for manually replacing the plug-in SIM card, and management confusion and safety caused by a plurality of code numbers.

Disclosure of Invention

Aiming at the defects and shortcomings of the prior art, the invention provides a method for realizing self-switching based on number portability of an eSIM remote communication module.

The purpose of the invention can be realized by the following technical scheme:

a method for realizing self-switching based on number portability and network switching of an eSIM remote communication module is characterized in that a system framework related to the method comprises the following steps: the system comprises an eSIM remote communication module, an eSIM management platform and a power utilization information acquisition master station. Wherein:

the eSIM remote communication module mainly comprises an LPA module part, a power supply part, a plug-in SIM card part, a patch type eSIM card part and a high-speed switch part;

and the eSIM management platform has the functions of writing/deleting the code number in the null mode and the capability of converting the code number into other operators. In addition, the state of each eSIM card can be monitored and managed, such as eSIM card number management (including EID, ICCID, IMSI and the like), distribution, flow pool query/early warning, short message query/transmission/early warning, order management and the like;

the electricity consumption information acquisition master station performs data interaction with the eSIM remote communication module on one hand, and can call the eSIM management platform on the other hand, so that the eSIM cards of the remote communication modules can be monitored and managed conveniently.

Furthermore, the module of the LPA module part has an LPA function, and LPA firmware needs to meet the technical specification requirements of sgp.02, sgp.21, and the like in the GSMA standard.

Furthermore, the plug-in SIM card part is a plug-in SIM card in the traditional industry, and comprises a Mini-SIM card, a Micro-SIM card, a Nano-SIM card and the like.

Further, chip-style eSIM card components, esims known as Embedded-SIMs, Embedded SIM cards, QFN packages, are typically sized in 2mm by 2mm and 5mm by 6 mm.

Further, the high-speed switch part is an analog switch chip with ultra-low on-resistance (less than 1 omega) and ultra-fast on-off time (less than 100ns) for respectively controlling the switching between the plug-in SIM card and the patch-type eSIM card.

Further, the power supply part, which supplies power to the LPA module, provides at least transient 2A/1ms, normal 1A, load carrying capability, ensuring that the power supplied to the module is stable under any circumstances.

The invention has the beneficial effects that: a method for realizing self-switching based on number portability and network switching of an eSIM remote communication module is provided. When a certain operator signal is unstable in the equipment installation environment, especially the site distance is far, the SIM card is not required to be replaced by manual work running on site, and the SIM card can be directly changed into other operators through the eSIM number-carrying network transfer, so that the online stability of the remote communication module is ensured.

Drawings

Fig. 1 is a framework diagram of the present invention.

Fig. 2 is a flow chart of the self-handoff of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

As shown in fig. 1, an overall framework diagram of a method for implementing self-switching based on eSIM telecommunications module number portability mainly relates to relevant blocks. The specific work flow is shown in fig. 2, and the implementation flow is as follows:

the remote communication module is provided with a plug SIM card and an eSIM patch card at the same time, the power-on of the module firstly detects whether the plug SIM card exists, and when the plug SIM card cannot be detected, the switch circuit automatically switches to the eSIM patch card.

The temporary code number is preset in the eSIM patch card by default, the remote communication module periodically polls the eSIM management platform whether the code number is downloaded, and when the code number is downloaded, the formal code number of an operator can be downloaded into the eSIM patch card. The eSIM card can switch different operators according to a condition factor.

eSIM card-cutting logic can be broadly divided into four cases: 1) when the field environment has no network signal or the signal is very weak, the network registration fails; 2) the network signal of the field environment is good, the network registration can be successful, but the ppp dialing fails, and the IP cannot be negotiated; 3) the ppp dialing is successful, the IP can be negotiated normally, but the TCP login is unsuccessful; 4) the TCP login is successful, considering that the user switches to a certain operator due to the service relationship. In order to avoid the phenomenon of frequent switching, the switching logic of the above three cases is gradually increased according to time, such as 5min, 10min, 20min, 40min and the like, when login is still not successful for 4 continuous hours, the remote communication module restarts to reinitiate the whole dialing process, and the card-cutting logic is reset to the initial state.

The above-mentioned embodiments are illustrative of the specific embodiments of the present invention, and are not restrictive, and those skilled in the relevant art can make various changes and modifications to obtain corresponding equivalent technical solutions without departing from the spirit and scope of the present invention, so that all equivalent technical solutions should be included in the scope of the present invention.

Claims

1. The method for realizing self-switching based on number portability of the eSIM remote communication module is characterized by comprising the eSIM remote communication module, an eSIM management platform and a power utilization information acquisition master station.

2. The method for realizing self-switching based on the number portability and network switching of the eSIM remote communication module of claim 1, wherein the eSIM remote communication module mainly comprises an LPA module part, a power supply part, a pluggable SIM card part, a patch type eSIM card part and a high-speed switch part.

3. The LPA module portion of claim 2, wherein the module is internally LPA enabled and LPA firmware is required to meet the sgp.02, sgp.21 specifications within the GSMA standard.

4. The high-speed switch part of claim 2, wherein the high-speed switch is an analog switch chip with ultra-low on-resistance (less than 1 Ω) and ultra-fast on-off time (less than 100ns) for controlling the switching between the plug-type SIM card and the surface-mounted eSIM card.

5. The power section of claim 2, wherein the power section supplies power to the LPA module, the power being capable of providing a transient 2A/1ms, normal 1A, load capability to ensure that the power supplied to the module is stable under any conditions.

6. The method for number portability and self-switching of the eSIM-based telecommunication module as recited in claim 1, wherein the eSIM management platform has a function of writing/deleting a code number without space and a capability of converting the code number into another operator.

7. The method for realizing self-switching through number portability based on the eSIM remote communication module as claimed in claim 1, wherein the electricity consumption information acquisition master station performs data interaction with the eSIM remote communication module.