CH716447A2 - Mobile radio communication device with two integrated subscriber identity modules and a mobile radio communication interface for automatic network selection. - Google Patents

Abstract

The invention relates to a mobile radio communication device (130) and a method for wireless communication via a first mobile radio network (110) and via a second mobile radio network (120), the mobile radio communication device having a mobile radio communication interface (140) with a first integrated subscriber identity module (150), iSIM: Integrated Subscriber Identity, and a second integrated subscriber identity module (160) for communication with the first cellular network (110) and the second cellular network (120), the cellular communication interface (140) being designed, a To receive network identification, and to compare the received network identification with at least one of the permanently stored first network identification (111) and the second network identification (121), and to send out first data together with a first mobile radio subscriber identification to the first mobile radio network (110), if the received network ids identification corresponds to the first network identification, and to send second data together with a second mobile radio subscriber identifier to the second mobile radio network (120) if the received network identification corresponds to the second network identification.

Description

description

The present invention relates to a cellular communication device with two integrated subscriber identity modules and a cellular communication interface for automatic network selection and a method for cellular communication by means of two integrated subscriber identity modules and automatic network selection means of cellular communication interface.

Cellular networks have been installed in order to provide the network subscriber with a variety of services. Different network operators offer different services in different versions and at different prices. There are therefore many reasons to use more than one SIM card in the same mobile communications device, in particular to separate private and business calls, avoiding a SIM card change when abroad and the targeted use of different tariffs, such as telephone calls. and flat rate data. Cellular communication devices with two SIM cards are particularly popular where there are lower prices for calls between customers of the same provider. Such devices allow users to have separate contact lists on each SIM card and make roaming, i.e. the ability of a cellular network subscriber to independently receive or make calls, send and receive data or have access to other cellular network services in a cellular network other than his home network.

Devices with multiple SIM cards are also increasingly used in the loT (Internet of Things) area to network machines. Such devices make it possible to network not only machines, but also physical and virtual objects in general and let them work together through communication. Functions implemented with technologies of the "Internet of Things" allow interaction between humans and any electronic systems networked through them, as well as between the systems themselves. The aim of the Internet of Things is to automatically capture and link relevant information from the real world For this purpose, communication networks based on the 5G system architecture are increasingly being used, as outlined, for example, in the specification 3GPP TS 23.501.

It is the object of the present invention to create a concept for a mobile radio communication, which allows the communication of human-to-human, human-to-machine and / or machine-to-machine over several mobile radio networks in a simple manner.

In particular, it is the object of the present invention to provide a mobile radio communication device which can communicate via different mobile radio networks and network technologies, in particular via different network slices of the 5G system architecture.

This object is achieved by the features of the independent claims. The dependent claims relate to advantageous forms of further training.

The mobile radio communication devices and communication systems presented below can be of various types. The individual elements described can be implemented using software or hardware components and can be produced using various technologies. The individual components can include, for example, microprocessors, semiconductor chips, ASICs, signal processors, electro-optical circuits, integrated electrical circuits and / or passive components.

The mobile radio communication devices and mobile radio networks presented in the following can comprise various technologies and network standards, for example in accordance with the 5G system architecture. The 5G system architecture includes the concept of network slicing, i.e. the division of the communication network into individual pieces or slices or sub-networks. Network slicing is a form of virtual network architecture in which network architectures are partitioned into virtual elements that can be linked to one another (also via software). The concept of network slicing allows multiple virtual networks to be created on a common physical infrastructure. The virtual networks can then be adapted to the specific requirements of applications, services, devices, customers or operators. Each virtual network (network slice) comprises an independent set of logical network functions that support the requirements of the respective application.

Each of these virtual networks or network slices provides resources and network topology for a specific service and traffic that uses the corresponding segment. Functions such as speed, capacity, connectivity and coverage can be assigned to meet the special requirements of each application, but functional components can also be shared across different network slices. In addition, each network slice can be given management capabilities that can be controlled by the network operator or user depending on the application. The network slices can be managed and orchestrated independently.

The cellular networks described below can be based on 5G networks in accordance with the 5G system architecture. The service-oriented 5G network supports very different services with very different performance requirements. For example, 5G supports the three different service categories Enhanced Mobile Broadband (eMBB), massive machine type communication (mMTC, also known as loT, i.e. Internet of Things) and ultra-reliable communication with low latency (UR-LLC).

The mobile radio communication devices described below comprise a mobile radio communication interface or simply referred to as a communication interface, which performs a variety of tasks. Such a communication interface can include, for example, a processor that is responsible for the described execution of the tasks. The term "processor" refers to any device that can be used to process certain tasks (or blocks or steps). A processor can be a single processor or a multi-core processor or can contain a set of processors or can contain means for processing. A processor can handle software or firmware or applications etc.

According to a first aspect, the invention relates to a cellular communication device for wireless communication via a first cellular network and a second cellular network, wherein the first cellular network has a first network identification and wherein the second cellular network has a second network identification, with the following features: a Cellular communication interface for communication with the first cellular network and the second cellular network, the communication interface having a first integrated subscriber identity module, iSIM: Integrated Subscriber Identity, and a second integrated subscriber identity module, the first integrated subscriber identity module as an embedded integrated Circuitry is implemented and fixedly stores a first cellular subscriber identity together with the first network identification, the second integrated subscriber identity module as an embedded eter integrated circuit is implemented and permanently stores a second mobile radio subscriber identifier together with the second network identification, the first mobile radio subscriber identifier identifying the first integrated subscriber identity module in the first mobile radio network, and the second mobile radio subscriber identifier identifying the second integrated subscriber identity module in the second cellular network identified; a first data memory which is set up to store first data for forwarding to the first cellular network; a second data memory which is designed to store second data for forwarding to the second cellular network; wherein the cellular communication interface is designed to receive a network identification, and wherein the communication interface is further designed to compare the received network identification with at least one of the permanently stored first network identification and the second network identification, and wherein the cellular communication interface is designed to use the first data read out from the first data memory and send the first data together with the first mobile radio subscriber identifier to the first mobile radio network, if the received network identification corresponds to the first network identification, and read out the second data from the second data memory and the second data together with the second mobile radio Send subscriber identification to the second mobile radio network if the received network identification corresponds to the second network identification.

Such a mobile radio communication device facilitates mobile radio communication over several mobile radio networks, since two integrated subscriber identity modules are used, which are assigned to the respective mobile radio network or are at home. By receiving the network identification from the corresponding mobile radio network, an automatic network selection can be implemented in the mobile radio communication device, which simplifies the mobile radio communication and at the same time accelerates the establishment of the communication.

The two integrated subscriber identity modules can communicate via different cellular networks and network technologies, in particular via different network slices of the 5G system architecture, which simplifies communication in different cellular network topologies for the user. The selection of the respective network slice is also simplified if the respective network slice makes its network identification available to the mobile radio communication device.

In an exemplary embodiment of the cellular communication device, the cellular communication interface is designed to send the first data together with the first cellular subscriber identifier to a network address of the first cellular network, and the second data to the network address together with the second cellular subscriber identifier of the second cellular network.

This offers the technical advantage that the mobile radio communication device can easily provide the first mobile radio network with the data of the first mobile radio subscriber with the first subscriber identity module, that is, the first data together with the first mobile radio subscriber identifier. Furthermore, the mobile radio communication device can easily provide the second mobile radio network with the data of the second mobile radio subscriber with the second subscriber identity module, that is, the second data together with the second mobile radio subscriber identifier. It goes without saying that this also applies to multiple subscribers with respective subscriber identity modules.

In an exemplary embodiment of the mobile radio communication device, the communication interface is designed to send out the first data together with the first mobile radio subscriber identification only if the first data are stored in the first data memory, and the second data together with the second mobile radio subscriber identification only then to be sent out if the second data are stored in the second data memory.

This offers the technical advantage that the communication interface can easily recognize whether there are first or second data which are then to be transmitted to the first cellular network or the second cellular network. This can prevent senseless data from being sent which are not based on measured values.

In an exemplary embodiment of the mobile radio communication device, the first data memory has a memory cell and the first data memory is designed to store a binary value in a memory cell of the first data memory in order to indicate that the first data are stored in the first data memory, and the second data memory has a memory cell and is designed to store a binary value in a memory cell of the second data memory in order to indicate that the second data is stored in the second data memory, and the cellular communication interface is designed to read out a content of the respective memory cell .

This offers the technical advantage that the cellular communication interface can easily recognize whether the first or second data is already present in the respective memory in order to then signal this to the cellular communication interface.

In an exemplary embodiment of the mobile radio communication device, the mobile radio communication device comprises a first sensor, which is designed to detect a first value of a first physical variable and to store the first value as the first data in the first data memory, and a second sensor which is designed to detect a second value of a second physical variable and to store the second value as the second data in the first data memory, the first physical variable and the second physical variable being different.

This offers the technical advantage that the mobile radio communication device can store sensor data and transmit them to the respective mobile radio network. The mobile radio communication device can thus be implemented as a loT device, for example, which records sensor data and makes it available to the network.

In an exemplary embodiment of the mobile radio communication device, the first data memory is designed to delete the first data after reading out the first data through the communication interface from the first data memory, and the second data memory is designed to delete the second data after reading out the to delete second data from the second data memory through the communication interface.

This offers the technical advantage that the recording time for the sensor data increases if the memory is deleted again after each transmission, so that no unnecessary data that has already been transmitted is stored in the respective data memory.

In an exemplary embodiment of the mobile radio communication device, the communication interface is designed to interrupt a voltage supply of the first integrated subscriber identity module to deactivate the first integrated subscriber identity module, and to interrupt a voltage supply of the second integrated subscriber identity module to the second integrated Deactivate participant identity module.

This offers the technical advantage that the respective integrated subscriber identity modules or iSIM modules can be deactivated in a simple manner.

In an exemplary embodiment of the mobile radio communication device, the communication interface has an integrated voltage source which is designed to provide the respective voltage supply.

This offers the technical advantage that the integrated power supply can quickly provide the respective power supplies for the subscriber identification modules, so that the time to set up the communication connection via the respective cellular network is reduced.

In an exemplary embodiment of the mobile radio communication device, the communication interface is designed to activate the respective integrated subscriber identity module in order to transmit the respective data, and to deactivate the respective integrated subscriber identity module after the respective data has been transmitted.

This offers the technical advantage that the respective integrated subscriber identity modules or iSIM modules are only active for a short time in order to send out their corresponding data and are then switched to inactive again. This saves electricity and increases the standby time of the respective subscriber identity module. This is particularly important if the mobile radio communication device is a loT device, but it can also be an advantage to increase the battery life in normal smartphones or mobile phones.

In an exemplary embodiment of the mobile radio communication device, the communication interface is designed to deactivate the first integrated subscriber identity module and the second integrated subscriber identity module, in particular to deactivate them permanently, if the received network identification is neither of the first stored network identification nor the second stored network identification corresponds to.

This offers the technical advantage that the respective integrated subscriber identity modules or iSIM modules are only activated when they can also send their data to the cellular network corresponding to their network identification. In particular in a large system, for example loT system, with many cellular radio communication devices or also a cellular radio communication device with many subscriber identification modules, it can happen that many network identifications are transmitted by respective cellular radio networks or network slices. It is then advantageous if not all subscriber identification modules are woken up when a network identification is received, but only then or only when the network identification corresponding or assigned to them is also received.

In an exemplary embodiment of the mobile radio communication device, the mobile radio communication device comprises a controllable switch which is controllable through the communication interface and is designed to separate the power supply from the first integrated subscriber identity module and at the same time connect the second integrated subscriber identity module to the To switch on the power supply, or to disconnect the power supply from the second integrated subscriber identity module and at the same time to connect the first integrated subscriber identity module to the power supply.

This offers the technical advantage that the respective integrated subscriber identity modules or iSIM modules can be switched on and off in a simple manner. The switch can be used to ensure that only one of the two integrated subscriber identity modules is active while the other is in the deactivated state.

In an exemplary embodiment of the cellular communication device, the first cellular network is a first subnetwork or a first network slice of a 5G cellular network, and the second cellular network is a second subnetwork or a second network slice of the 5G cellular network, the cellular communication device is a loT communication device, wherein the first mobile subscriber identifier is stored in the first integrated subscriber identity module in cryptographically encrypted form using a first public cryptographic key, and the second mobile subscriber identifier is stored in the second integrated subscriber identity module using a second public cryptographic key is stored cryptographically encrypted, wherein the first public cryptographic key is assigned to the first cellular network, and wherein the second public cryptographic key el is assigned to the second cellular network.

This offers the technical advantage that the respective integrated subscriber identity modules or SIM modules can be used in 5G communication networks, in particular network slices, in order to transmit data. The advantages of the 5G system architecture can thus be exploited, i.e. the virtual network architecture on a common physical infrastructure, the specific adaptation to the requirements of applications, services, devices, customers or operators, the support of logical network functions, the application-specific assignment of functions such as speed , Capacity, connectivity and network coverage to meet the special requirements of each application, the sharing of functional components across different network slices, etc.

The mobile radio communication device thus supports the three different service categories as provided in the SG network, that is, Enhanced Mobile Broadband (eMBB), massive machine type communication, mMTC, or loT, and ultra-reliable communication with low latency (UR -LLC).

According to a second aspect, the invention relates to a method for wireless communication over a first cellular network and a second cellular network, the first cellular network having a first network identification and the second cellular network having a second network identification, and for automatic network selection over a cellular network Communication interface of a mobile radio communication device, the mobile radio communication interface having a first integrated subscriber identity module, iSIM: Integrated SubscriberIdentity, and a second integrated subscriber identity module, the first integrated subscriber identity module being implemented as an embedded integrated circuit and a first mobile radio Permanently stores subscriber identification together with the first network identification, the second integrated subscriber identity module being implemented as an embedded integrated circuit rt and permanently stores a second mobile radio subscriber identifier together with the second network identification, the first mobile radio subscriber identifier identifying the first integrated subscriber identity module in the first mobile radio network, and the second mobile radio subscriber identifier identifying the second integrated subscriber identity module in the second mobile radio network , wherein the mobile radio communication device has a first data memory which is set up to store first data for forwarding to the first. To store cellular network and having a second data memory which is designed to store second data for forwarding to the second cellular network, the method comprising the following steps: receiving a network identification by means of the cellular communication interface; Comparing the received network identification with at least one of the permanently stored first network identification and the second network identification; Reading out the first data from the first data memory and sending the first data together with the first mobile radio subscriber identifier to the first mobile radio network if the received network identification corresponds to the first network identification; and reading out the second data from the second data memory and sending the second data together with the second mobile radio subscriber identifier to the second mobile radio network if the received network identification corresponds to the second network identification.

Such a method facilitates cellular communication over several cellular networks, since two integrated subscriber identity modules are used which are assigned to the respective cellular network or are at home. By receiving the network identification from the corresponding mobile radio network, an automatic network selection can be implemented in the mobile radio communication device, which simplifies the mobile radio communication and at the same time accelerates the establishment of the communication.

Further exemplary embodiments are explained with reference to the accompanying drawings. Show it:

1 shows a schematic illustration of a mobile radio communication system 100 according to an example

adhere embodiment with a cellular radio communication device 130 according to the disclosure;

2 shows a schematic illustration of a mobile radio communication device 130 according to the disclosure

in the mobile radio communication system 100 of FIG. 1;

3 shows a schematic illustration of a mobile radio communication device 130 according to the disclosure

tion in a 5G communication system 300 according to an exemplary embodiment in accordance with the specification 3GPP TS 23.501;

4 shows a schematic illustration of a mobile radio communication device 130 according to the disclosure

in a 5G communication system 400 with two exemplary network slices 410, 440 according to an exemplary embodiment; and

5 shows a schematic illustration of a method 500 for mobile radio communication by means of two internal

integrated subscriber identity modules and automatic network selection by means of a mobile radio communication interface according to an exemplary embodiment.

In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which there is shown, by way of illustration, specific embodiments in which the invention may be practiced. It goes without saying that other embodiments can also be used and structural or logical changes can be made without deviating from the concept of the present invention. The following detailed description is therefore not to be taken in a limiting sense. Furthermore, it goes without saying that the features of the various exemplary embodiments described herein can be combined with one another, unless specifically stated otherwise.

The aspects and embodiments are described with reference to the drawings, wherein like reference characters generally refer to like elements. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more aspects of the invention. However, it may be apparent to one skilled in the art that one or more aspects or embodiments can be practiced in a lesser degree of specific detail. In other instances, known structures and elements are shown in schematic form to facilitate describing one or more aspects or embodiments. It goes without saying that other embodiments can be used and structural or logical changes can be made without departing from the concept of the present invention.

In addition, although a particular feature or aspect of an embodiment may have been disclosed with respect to only one of several implementations, such a feature or aspect can be combined with one or more other features or aspects of the other implementations, as for one given or particular application may be desirable and advantageous. Furthermore, to the extent that the terms "include," "have," "having" or other variations thereof are used in either the detailed description or the claims, such terms are intended to be inclusive of in a manner similar to the term "comprise". The terms "coupled" and "connected" along with derivatives thereof may have been used. It will be understood that such terms are used to indicate that two elements cooperate or interact with one another regardless of whether or not they are in direct physical or electrical contact with one another. In addition, the term "exemplary" is to be construed as merely an example rather than the designation for the best or optimal. The following description is therefore not to be taken in a limiting sense.

In the following, network access entities, mobile radio communication devices and functions of such network access entities and mobile radio communication devices are described. The network access entity ensures access and mobility management in the cellular network. Mobile radio communication devices can use the network access entity to register with their mobile radio subscriber identification, for example UE ID or IMSI, in the mobile radio network and receive permission to set up a communication connection. For example, the network access entity in the 5G network can be an AMF (Access and Mobility Management Function) in order to provide access and mobility management functions. The AMF manages access and mobility control and may also include network slice selection functionality. In the 4G network, the network access entity can also be an MME (mobility management entity). This provides the functions of paging for setting up calls and generally communication connections as well as signaling for control purposes. The network access entity connects the core network to the access network and manages the whereabouts of all mobile radio communication devices in the radio cells connected to it.

The network access entity also establishes a security relationship with a mobile radio communication device in order to then access the network in the mobile radio communication device and in the network application function (NAF)

function of being able to install security elements, e.g. keys, e.g. via the network protocols Diameter and Hypertext Transfer Protocol (http).

1 shows a schematic illustration of a cellular radio communication system 100 according to an exemplary embodiment with a cellular radio communication device 130 according to the disclosure.

The mobile radio communication system 100 comprises a first mobile radio network 110 and a second mobile radio network 120 as well as a mobile radio communication device 130 with two integrated subscriber identity modules (iSIM: Integrated Subscriber Identity) 150, 160 and a communication interface 140.

The first mobile radio network 110 is identified by a first network identification (ID1) 111 and can be addressed by a first network address 112. For example, a network access entity is present in the first mobile radio network 110 which regulates the access to the first mobile radio network 110 and can be addressed via the first network address 112. This network access entity knows the network identification 111 of the first cellular network 110 and can manage access to the first cellular network 110.

The second cellular network 120 is identified by a second network identification (ID2) 121 and can be addressed by a second network address 122. For example, there is a network access entity in the second cellular network 120 which regulates access to the second cellular network 120 and can be addressed via the second network address 122. This network access entity knows the network identification 121 of the second cellular network 120 and can manage access to the second cellular network 120.

The network access entities for the first and second mobile radio networks 110, 120 can be, for example, RAN (Radio Access Network) entities, such as base stations and radio access entities or AMF (Access and Mobility Management Function) in the 5G network.

The mobile radio communication device 130 comprises two integrated subscriber identity modules, the first integrated subscriber identity module 150 being used for communication via the communication interface 140 with the first mobile radio network 110 and the second integrated subscriber identity module 160 being used for communication via the communication interface 140 with the second Cellular network 120.

The process for establishing communication via the first integrated subscriber identity module 150 with the first mobile network 110 and for establishing communication via the second integrated subscriber identity module 160 with the second mobile network 120 is described in detail below in relation to FIG.

The communication system 100 is shown here only by way of example. It can also include further cellular networks, for example a third or further cellular networks, which can be constructed similarly to the first and second cellular networks 110, 120. Furthermore, networks with other radio access technologies can also be implemented in addition to or instead of the first and second mobile radio networks 110, 120, for example WLAN or WiFi networks.

In addition to the two integrated subscriber identity modules 150, 160 shown in FIG. 1, the mobile radio communication device 130 can also include other such subscriber identity modules which create access to further mobile radio networks. Of course, two or more subscriber identity modules can also be present in the mobile radio communication device 130, which modules provide access to the same mobile radio network.

FIG. 2 shows a schematic illustration of a mobile radio communication device 130 according to the disclosure in the mobile radio communication system 100 of FIG. 1.

As already described above for FIG. 1, the mobile radio communication system 100 comprises a first mobile radio network 110 and a second mobile radio network 120 as well as the mobile radio communication device 130 with two integrated subscriber identity modules (ISIM: Integrated Subscriber Identity) 150, 160 and a communication interface 140.

The mobile radio communication device 130 is used for wireless communication via the first mobile radio network

110 and via the second cellular network 120. The first cellular network 110 has a first network identification

111 and the second cellular network 120 has a second network identification 121.

The cellular communication device 130 has a cellular communication interface 140 for communication with the first cellular network 110 and the second cellular network 120. The communication interface 140 has a first integrated subscriber identity module (ISIM: Integrated Subscriber Identity) 150 and a second integrated Subscriber identity module 160. The first integrated subscriber identity module 150 is implemented as an embedded integrated circuit and permanently stores a first mobile radio subscriber identifier 113 together with the first network identification 111 of the first mobile radio network 110 in the first integrated subscriber identity module 150 an embedded integrated circuit implements and stores a second mobile radio subscriber identifier 123 permanently together with the second network identification 121 of the second mobile radio network 120 in the second integrated subscriber identity module 160.

The fixed storage means that the first mobile radio subscriber identifier 113 and the first network identification 111 are stored in the first integrated subscriber identity module 150 even when the power supply is switched off. For the second integrated subscriber identity module 160, the fixed storage means that the second

Mobile radio subscriber identification 123 and the second network identification 121 are stored in the second integrated subscriber identity module 160 even when the power supply is switched off.

The first mobile radio subscriber identifier 113 identifies the first integrated subscriber identity module 150 in the first mobile radio network 110 and the second mobile radio subscriber identifier 123 identifies the second integrated subscriber identity module 160 in the second mobile radio network 120.

The mobile radio communication device 130 has a first data memory 180 which is set up to store first data 114 for forwarding to the first mobile radio network 110.

The mobile radio communication device 130 has a second data memory 190 which is designed to store second data 124 for forwarding to the second mobile radio network 120.

The communication interface 140 is designed to receive a network identification, and to compare the received network identification with at least one of the permanently stored first network identification 111 and the second network identification 121, and to read out the first data 114 from the first data memory 180 and together with the to send out the first mobile radio subscriber identifier 113 to the first mobile radio network 110 if the received network identification corresponds to the first network identification.

The communication interface 140 is also designed to read the second data 124 from the second data memory 190 and to send the second data 124 together with the second mobile radio subscriber identifier 123 to the second mobile radio network 120 if the received network identification corresponds to the second network identification 121.

The first mobile radio subscriber identifier 113 is, for example, an identifier of the subscriber in the first mobile radio network 110, for example an IMSI (International Mobile Subscriber Identity, that is, a number for the unique identification of network subscribers in the first mobile radio network 110. Subscriber identification 113 can include parameters for identifying and authenticating the subscriber in the first cellular network 110.

In an analogous manner, the second cellular subscriber identifier 123 is, for example, an identifier of the subscriber in the second cellular network 120, for example an IMSI (International Mobile Subscriber Identity, i.e. a number for the unique identification of network subscribers in the second cellular network 120 Mobile radio subscriber identifier 123 can include parameters for identifying and authenticating the subscriber in the second mobile radio network 120.

The first data 114 can be assigned to the first subscriber identity module 150. For example, the first data 114 can be data that can no longer be stored in the first subscriber identity module 150 and are therefore swapped out to the first data memory 180. This can be, for example, measured values that were measured by the first subscriber identity module 150, for example recorded images or voice data, or temperature values, pressure values, level values, currents, voltage values, etc. The second data 124 can also be sent to the second subscriber identity module 160 must be assigned. For example, the second data 114 can be data that can no longer be stored in the second subscriber identity module 160 and are therefore swapped out to the second data memory 190. This can be, for example, measured values, as already described above for the first subscriber identity module 150, for example recorded image or voice data, or temperature values, pressure values, level values, currents, voltage values, etc.

The first mobile radio network 110 can assign the uploaded first data 114 to the first ISIM 150 via the first mobile radio subscriber identifier 113, for example UE ID or IMSI. The second mobile radio network 120 can assign the uploaded second data 124 to the second iSIM 160 via the second mobile radio subscriber identifier 123, for example UE ID or IMSI. This is useful when a huge amount of data, e.g. from a large number of loT devices, is uploaded to the network in order to identify which measurement data is coming from which device. In particular, it can happen that the first data 114 and the second Data 124 are uploaded to the network asynchronously in terms of time. It is then important to send the first data 114 together with the first mobile radio subscriber identifier 113 and to send the second data 124 together with the second mobile radio subscriber identifier 123 in order to avoid confusing the first data 114 or the second data 124 with other data currently being transmitted .

The sending of the first data 114 together with the first mobile radio subscriber identifier 113 can be implemented, for example, in that the first data 114 is provided with an index which corresponds to the first mobile radio subscriber identifier 113. The first data 114 can also be sent as a payload in a data field in whose header or data header the first mobile radio subscriber identifier 113 is entered.

The sending of the second data 124 together with the second mobile radio subscriber identifier 123 can also be implemented, for example, in that the second data 124 is provided with an index which corresponds to the second mobile radio subscriber identifier 123. The second data 124 can also be sent as a payload in a data field in whose header or data header the second mobile radio subscriber identifier 123 is entered.

The mobile radio communication interface 140 can be designed to send the first data 114 together with the first mobile radio subscriber identifier 113 to the network address 112 of the first mobile radio network 110,

and to send the second data 124 together with the second mobile radio subscriber identifier 123 to the network address 122 of the second mobile radio network 120.

The cellular radio communication device 130 can further comprise a first sensor which is designed to detect a first value of a first physical variable and to store the first value as the first data 114 in the first data memory 180.

The mobile radio communication device 130 can comprise a second sensor which is designed to detect a second value of a second physical variable and to store the second value as the second data 124 in the second data memory 190.

The first physical variable and the second physical variable can be different. Alternatively, the first physical variable and the second physical variable can be the same, for example in the case of a redundant measurement by the first integrated subscriber identity module 150 and the second integrated subscriber identity module 160.

The mobile radio communication device 130 can furthermore comprise a first actuator or an interface to a first actuator, which is designed to derive or read out a control command for controlling the first actuator from the first data 114 in the first data memory 180 forward the first actuator or the interface to the first actuator in order to move the first actuator accordingly.

The mobile radio communication device 130 can furthermore comprise a second actuator or an interface to a second actuator, which is designed to derive or read out a control command for controlling the second actuator from the second data 124 in the second data memory 190 forward the second actuator or the interface to the second actuator in order to move the second actuator accordingly.

The first and the second actuator can be a machine component which can be controlled by the first 114 and second data 124, respectively. The actuators can be household appliances, for example, which can be controlled in the automated house or home via the first 114 or second data 124. Alternatively, the first and the second actuator can be, for example, loudspeakers or vibration devices of the mobile radio communication device 130, which can be controlled and activated via the corresponding first 114 or second data 124.

The first data memory 180 can be designed to delete the first data 114 from the first data memory 180 after the first data 114 has been read out by the communication interface 140.

The second data memory 190 can be designed to delete the second data 124 from the second data memory 190 after the second data 124 has been read out by the communication interface 140.

The communication interface 140 can be designed to interrupt a voltage supply of the first integrated subscriber identity module 150 in order to deactivate the first integrated subscriber identity module 150, and to interrupt a voltage supply of the second integrated subscriber identity module 160 in order to deactivate the second integrated subscriber identity module 150. Disable identity module 160. The communication interface 140 can have an integrated voltage source which is designed to provide the respective voltage supply.

The communication interface 140 can be designed to activate the respective integrated subscriber identity module 150, 160 in order to transmit the respective data 114, 124, and to deactivate the respective integrated subscriber identity module 150, 160 after the respective data has been transmitted.

The communication interface 140 can be designed to connect the first integrated subscriber identity module 150 to a voltage supply in order to activate the first integrated subscriber identity module 150, and to connect the second integrated subscriber identity module 160 to a voltage supply in order to connect the second integrated subscriber. Activate identity module 160.

The mobile radio communication device 130 can have a controllable switch which can be controlled by the communication interface 140. The controllable switch can be designed to disconnect the voltage supply from the first integrated subscriber identity module 150 and at the same time to connect the second integrated subscriber identity module 160 to the voltage supply, or to disconnect the voltage supply from the second integrated subscriber identity module 160 and at the same time the first integrated Connect the subscriber identity module 150 to the power supply.

The mobile radio communication interface 140 can be designed to deactivate the first integrated subscriber identity module 150 and the second integrated subscriber identity module 160, in particular to deactivate them permanently, if the received network identification is neither of the first stored network identification 111 nor the second stored network identification 121 corresponds.

The first cellular network 110 can be, for example, a first subnetwork or slice of a 5G cellular network. The second cellular network 120 can be a second subnetwork or slice of the 5G cellular network, as described in more detail below for FIGS. 3 and 4, for example.

The cellular radio communication device 130 can be, for example, a loT (Internet of Things) communication device.

The first mobile radio subscriber identifier 113 can be stored in the first integrated subscriber identity module 150 in a cryptographically encrypted manner using a first public cryptographic key. The second mobile radio subscriber identifier 123 can be stored in cryptographically encrypted form in the second integrated subscriber identity module 160 using a second public cryptographic key. The first public cryptographic key can be assigned to the first cellular network 110, and the second public cryptographic key can be assigned to the second cellular network 120.

FIG. 3 shows a schematic illustration of a mobile radio communication device 130 according to the disclosure in a 5G communication system 300 according to an exemplary embodiment according to the specification 3GPP TS 23.501. The various blocks which such a 5G communication system 300 comprises are shown schematically in FIG.

The mobile radio communication device 130 corresponds to the user equipment (UE) or client terminal, which can be operated by the subscriber to initiate communication in the 5G network, i.e. to start communication (mobile originating, MO) or to accept (mobile terminating, MT). The mobile radio communication device 130 can also initiate a communication without user interaction, for example it can be a machine terminal, for example for a car, a machine, a robot or some other device.

The (R) AN ((Radio) Access Network) entity 331 represents the (radio) access network with which the mobile radio communication device 130 receives access to the 5G communication network. The interface between mobile radio communication device 130 and (R) AN can be an air interface if the access network 331 is a radio network or can be wired if the access network 331 is a wired network.

The AMF (Access and Mobility Management Function) entity 340 represents the access and mobility management function. This is used to manage the access and mobility control. The AMF 340 may also include network slice selection functionality. With wireless access, mobility management is usually not required.

The SMF (Session Management Function) entity 341 represents the session management function. The SMF entity 341 sets up sessions and manages them in accordance with the network policy or network planning.

The UPF (User Plane Function) entity 332 represents the User Plane Function. Such User Plane Functions can be applied in various configurations and locations, according to the type of service.

The PCF (Policy Control Function) entity 342 represents the policy (or planning) control function. The PCF entity 342 thus provides a policy framework which includes network slicing, roaming and mobility management. This corresponds to the functionality of a PCRF in 4G systems.

The UDM (Unified Data Management) entity 352 provides common data management. With this data management, participant data and profiles are saved. This corresponds to the functionality of an HSS in 4G systems, but can be used for both mobile and wired access in the NG Core network.

The communication interface 140 can, for example, transmit the first data 114 to the UDM 352 block. For example, measured values or measurement parameters that were recorded by the mobile radio communication device 130 can be stored in the network 300.

The DN (Data Network) 333 provides the data network via which data is transmitted, for example from a mobile radio communication device 130 to another mobile radio communication device 130 or UE. [0098] The first data 114 and / or the second data 124 can thus be transmitted from the mobile radio communication device 130 to another mobile radio communication device or other UE via the DN 333.

The AUSF (Authentication Server Function) entity 351 provides authentication functionality with which the subscriber or the mobile radio communication device 130 can register in the network. The first integrated subscriber identity module 150 can, for example, authenticate itself in the 5G network 300 via the AUSF block 351. The second integrated subscriber identity module 160 can also authenticate itself in the 5G network 300 via the AUSF entity 351.

The AF (Application Function) entity 351 provides application functions with which certain services can be carried out, for example services which are set up or used by the first integrated subscriber identity module 150 or the second integrated subscriber identity module 160.

The NSSF (Network Slice Selection Function) entity 350 provides functions to select certain network slices. For example, the first integrated subscriber identity module 150 can select a first slice in the 5G communication system 300 and the second integrated subscriber identity module 160 can select a second slice in the 5G communication system 300.

The 5G communication system 300 shown in Figure 3 corresponds to the 5G system architecture according to the specification 3GPP TS 23.501 and represents the structure of the NG (Next Generation) network, which consists of network functions (NFs) and reference points that connect the NFs. In the specification 3GPP TS 23.501, however, the terminal is only generally referred to as UE (User Equipment) without the special Aus shown here in FIG. 3

management form with two integrated subscriber identity modules ISIM1 and ISIM2. The mobile radio communication device 130 or UE is either connected to a radio access network (RAN) 331 or an access network (AN) 331. In addition, the mobile radio communication device 130 or UE is connected to the access and mobility function (AMF) 340. The RAN 331 is a base station that uses the new RAT (Radio Access Technology) and advanced LTE technologies, while the AN 331 is a general base station with non-3GPP access, such as WiFi. The next generation core network or the 5G communication system 300 shown in FIG. 3 consists of various network functions (NFs). In Figure 3 there are seven Next Generation Core NFs, namely (1) AMF 340, (2) Session Management Function (SMF) 341, (3) Policy Control Function (POF) 342, (4) Application Function (AF) 343, (5) Authentication Server Function ( AUSF) 351, (6) User Level Function (UPF) 332 and (7) User Data Management (UDM) 352. The integrated subscriber identity modules 150, 160 can select one or more network functions from them to initiate the communication.

The network function (NF) represents the processing function taken over by 3GPP in NextGen or NG. It has both functional behavior and at the same time serves as an interface. A NF can either be implemented on dedicated hardware as a network element or run as a software instance on dedicated hardware or as a virtualized function instantiated on a suitable platform, e.g. B. be implemented in a cloud infrastructure.

The AMF 340 or AMF entity 340 offers UE-based authentication, authorization, mobility management, etc. A mobile radio communication device 130 is connected to a single AMF 340, for example, since the AMF 340 is independent of the access technology. That is to say, even a mobile radio communication device 130 with multiple access technologies only needs to be connected to a single AMF 340.

This AMF 340 forms, for example, a network entity with a first network identification 111 and a first network address 112, as described above for FIG. 2 and is responsible for terminating and / or terminating the messages or communication requests of the first integrated subscriber identity module 150 of the mobile radio communication interface 140 to initiate a communication of the first integrated subscriber identity module 150 in the first cellular network 110.

The AMF 340 can also receive the messages or communication requests from the second integrated subscriber-per-identity module 160 of the mobile radio. Process communication interface 140 and forward it to the second mobile radio network 120, for example via the mechanisms as described below for FIG. 4, in order to initiate communication of the second integrated subscriber identity module in the second mobile radio network 120.

The SMF 341 or SMF entity 341 is responsible for session management and assigns one or more IP addresses to the mobile radio communication device 130. In addition, the SMF 341 selects the UPF 332 and controls the UPF 332 with regard to the data transfer, for example for the transfer of the first data 114. If a mobile radio communication device 130 has several sessions, different SMFs 341 can be assigned to each session in order to handle them individually to control and possibly to provide several functionalities per session.

The AF 343 or AF entity 343 provides information about the packet flow and provides it to the POF 342, which is responsible for policy control in order to ensure the Quality of Service (QoS). Based on this information, PCF 342 determines the mobility and session management policies for the AMF 340 and SMF 341 to function properly.

The AUSF 351 or AUSF entity 351 stores data for the authentication of the mobile radio communication device 130, while the UDM 352 stores subscription data or subscriber data of the mobile radio communication device 130. The data network DN 333, which is not part of the NG Core network 300, provides Internet access and operator services.

The reference point representation of the architecture can be used to represent detailed message flows in the next generation (NG) standardization. The reference point N1 301 is defined as transmission signaling between the mobile radio communication device 130 and the AMF 340. The reference points for the connection between the AN 331 and the AMF 340 and between the AN 331 and the UPF 332 are defined as N2 302 and N3 303, respectively . There is no reference point between the AN 331 and the SMF 341, but there is a reference point, N11 311, between the AMF 340 and the SMF 341. This means that the SMF 341 is controlled by the AMF 340. N4 304 is used by the SMF 341 and the UPF 332 so that the UPF 332 can be set with the generated control signal from the SMF 341, and the UPF 332 can report its status to the SMF 341. N9 309 is the reference point for the connection between different UPFs 332 and N14 314 is the reference point between different AMFs 340. N15 315 and N7 307 are defined so that the PCF 342 can apply its guidelines to the AMF 340 or the SMF 341. N12 312 is required so that the AMF 340 can authenticate the cellular radio communication device 130. N8, 308 and N10, 310 are defined because the subscription data of the mobile radio communication device 130 is required by the AMF 340 and the SMF 341.

The next generation network 300 aims at realizing a separation of the user and control level. The user plane carries the user traffic while the control plane carries the signaling in the network. In Figure 3, the UPF 332 is in the user level and all other network radio

functions, i.e. AMF 340, SMF 341, PCF 342, AF 343, AUSF 351 and UDM 352 are located in the control level. The separation of the user and control level guarantees the independent scaling of the resources of each network level. The separation also allows UPFs 332 to be provided in a distributed manner separate from the functions of the control plane.

The NG architecture 300 consists of modularized functions. For example, the AMF 340 and the SMF 341 are independent functions in the control plane. Separate AMF 340 and SMF 341 allow independent development and scaling. Other control level functions such as the PCF 342 and the AUSF 351 can also be separated. The modularized functional design shown in FIG. 3 also enables the next generation network 300 to flexibly support a wide variety of services.

Each network function interacts directly with a different NF. In the control plane, a number of interactions between two NFs are defined as a service so that they can be reused. This service enables the support of modularity. The user plane supports interactions such as forwarding operations between different UPFs 332.

The next generation network 300 supports roaming, that is, the ability of a cellular network subscriber to automatically receive or make calls, send and receive data or have access to other cellular network services in a cellular network other than his home network. There are two types of application scenarios, on the one hand Home Routed (HR), on the other hand local breakout (LBO, "local breakout").

4 shows a schematic representation of a cellular radio communication device 130 according to the disclosure in a 5G communication system 400 with two exemplary network slices 410, 440 according to an exemplary embodiment.

In particular, the 5G communication network 400 is divided into a first network slice 440, corresponding to the first cellular network 110 according to FIGS. 1 and 2, and a second network slice 410, corresponding to the second cellular network 120 according to FIGS. 1 and 2. Both Network slices 440, 410 have the same structure as generally described above for FIG. 3, although not all network elements are shown in detail for the sake of clarity. In particular, the first network slice 440 comprises an access and mobility management network element 451, which has the same functionality and the same interfaces as the AMF entity 340 described above in relation to FIG.

The first network slice 440 can also be a home network slice of the first integrated subscriber identity module 150 and a visited network slice of the second integrated subscriber identity module 160, while the second network slice 410 is a home network slice of the second integrated subscriber identity module 150 and a visited network slice of the first integrated subscriber identity module 150.

The first network slice 440 is, for example, the network slice in which the first integrated subscriber identity module 150 or the user of this module 150 is registered, that is to say in which he has concluded a contract with the network operator.

The second network slice 410 is, for example, the network slice in which the second integrated subscriber identity module 160 or the user of this module 160 is registered, that is to say in which he has concluded a contract with the network operator. Usually this is the same user who has acquired two subscriber identity modules.

The first network slice 440 further comprises a session management network element 452, which has the same functionality and the same interfaces as the SMF entity 341 described above for FIG. The first network slice 440 further comprises a database 460 with the network elements authentication server 461, data manager 462 and policy control 463, which have the same functionality and the same interfaces as the network elements AUSF 351, UDM 352 and PCF 342 described above for FIG.

The same network elements, with the same functionalities and interfaces, also comprise the second network slice 410, that is to say an access and mobility management network element 421, a session management network element 422 and a database 430 with the network elements authentication server 431, data manager 432 and policy Control 433.

In the first network slice 440, the network access entity 451 is arranged, which serves to enable the communication connection to be set up. The mobile radio communication device 130 is connected to the network access entity 451 via the N1 interface, also generally referred to here as a specific or dedicated interface for the communication device 130. The network access entity 451 is connected to individual network elements of the second network slice 410 and the first network slice 440 via various communication interfaces, as already described in FIG. 3 above: the network access entity 451 is connected to the communication device 130 via the N1 interface. The network access entity 451 is connected to the network access entity 421 of the second network slice 410 via an A1 interface, also called a specific or dedicated interface.

A network identification is received via the N1 interface, which can be a first network identification 111 from the first network slice 440 or a second network identification 121 from the second network slice 410, as above for FIGS and 2 described. The second network identification 121 from the second network slice 410 can be transmitted to the first network slice 440 via the A1 interface 406 and further to the mobile radio communication device 130 via the N1 interface.

The network access entity 451 of the first network slice 440 also provides the communication interface 140 of the mobile radio communication device 130 with all necessary data for network access via the N1 interface. The network access entity 451 can, for example, query network capabilities of the first network slice 440 from the database 460 of the first network slice 440 via the N8, N12, N15, N22 interfaces in accordance with the system architecture described in FIG A1 interface 406 query subscriber data 406 of the mobile radio communication device 130 via the network access entity 421 from the second network slice 410 of the mobile radio communication device 130.

The network access entity 451 of the first network slice 440 can also transfer subscriber data, network address of the second network slice 410 and the network identification 121 of the second network slice 410 from the network access entity 421 of the second network slice 410 via the A1 interface 406 query and make the communication interface 140 of the mobile radio communication device 130 available. Of course, the network access entity 451 can also direct these queries directly to the database 430 of the second network slice 410 and receive them from there directly, that is to say without a detour via the network access entity 421.

After receiving the network identification from the first or second network slice 440, 410 via the N1 interface, the communication interface 140 of the mobile radio communication device 130 can compare the received network identification with the permanently stored first network identification 111 and / or the second network identification 121.

If the received network identification matches the first network identification 111, the mobile radio communication interface 140 can read out the first data 114 from the first data memory 180 and send the first data 114 together with the first mobile radio subscriber identifier 113 to the first network slice 440. The first data 114 are thus sent to the first network slice 440, that is to say to that network slice 440 which is assigned to the first subscriber identity module 150.

In the same way, if the received network identification matches the second network identification 121, the mobile radio communication interface 140 can read out the second data 124 from the second data memory 190 and the second data 124 together with the second mobile radio subscriber identifier 123 to the second network slice 410 send out. The second data 124 are thus sent to the second network slice 410, that is to say to that network slice 410 which is assigned to the second subscriber identity module 160.

In detail, the method for setting up the communication connection via the network access entity 451 with the first integrated subscriber identity module 150 can proceed as follows: In a first step, a registration request is sent from the first integrated subscriber identity module 150 to the network access Entity 451 of the first network slice 440. The registration request comprises the first mobile radio subscriber identifier of the first integrated subscriber identity module 150. The registration request is transmitted to the network access entity 451 via the specific or dedicated communication interface, that is to say the N1 interface.

In a further step, the network access entity 451 then queries subscriber-specific registration data of the first integrated subscriber identity module 150 from the database 460 of the first network slice 440 or from an external database, based on the first mobile radio subscriber ID of the first integrated subscriber Identity module 150.

The network identification of the first network slice 440 is then transmitted from the AMF entity 451 of the first network slice 440 to the communication interface 140 of the mobile radio communication device 130 via the N1 interface.

The network access data for the access of the first integrated subscriber identity module 150 to the first network slice 440 can then be transferred through the network access entity 451 to the first integrated subscriber identity module 150 together with the network identification of the first network slice 440 or also in chronological order the specific communication interface N1 and the communication interface 140 of the mobile radio communication device 130 are transmitted. The network access data for the access of the first integrated subscriber identity module 150 to the first network slice 440 is based, for example, on the subscriber-specific registration data of the first integrated subscriber identity module 150, such as the first mobile radio subscriber ID of the first integrated subscriber identity module 150 or others Registration data of the first integrated subscriber identity module 150, for example a name, a password, a network key, etc.

The network access data indicate capabilities of the first network slice 440, in particular those capabilities which can be used for the first integrated subscriber identity module 150. Finally, the communication connection is established through the first integrated subscriber identity module 150 and the corresponding network elements

of the first network slice 440 based on the network identification of the first network slice 440 and the network access data to the first network slice 440.

The network access data can, for example, indicate the following capabilities of the first network slice 440: Number and type of further network slices which can be allocated by the first network slice 440 or to which the first network slice can establish a communication connection, support specific network slice functions, the ability to transmit data and / or voice, support for 2G / 3G, 4G and / or 5G roaming, support for a specific service through the first network slice 440.

The registration request can furthermore have an identification of a specific service for which the first integrated subscriber identity module 150 requests the first network slice 440. The specific service can be provided by the first network slice 440 based on the identification of the specific service if the first network slice 440 supports the specific service. Otherwise, i.e. if it does not support the specific service, the network access entity 451 can transmit a network slice ID of another mobile radio network to the first integrated subscriber identity module 150 which supports the specific service. In this case, the network slice ID of a further network slice, which can be allocated by the first network slice 440 or to which the first network slice 440 can establish a communication connection, can be transmitted to the first integrated subscriber identity module 150, which supports the specific service.

The registration request 203 can further comprise a key for authenticating the first integrated subscriber identity module 150. The network access entity 451 can authenticate the first integrated subscriber identity module 150 via an authentication entity 461 of the first network slice 440 based on the key. This can be done before the participant-specific registration data is queried.

In detail, the method for setting up the communication connection via the network access entity 451 with the second integrated subscriber identity module 160 can proceed as follows: In a first step, a registration request is sent from the second integrated subscriber identity module 160 to the network access Entity 451 of the first network slice 440, as already described above for establishing the communication connection with the first integrated subscriber identity module 150. The registration request comprises the second mobile radio subscriber identification 123 of the second integrated subscriber identity module 160. The registration request is transmitted to the network access entity 451 via the specific communication interface, i.e. the N1 interface.

In a further step, the network access entity 451 then asks subscriber-specific registration data of the second integrated subscriber identity module 160 via the network access entity 421 from the database 430 of the second network slice 410 via the specific A1 interface 406 or from an external database from, and indeed based on the second mobile radio subscriber identifier 123 of the second integrated subscriber identity module 160.

The network identification of the second network slice 410 is then transmitted from the AMF entity 421 of the second network slice 410 via the A1 interface 406 to the AMF entity 451 of the first network slice 440 and from there via the N1 Interface transmitted to the communication interface 140 of the mobile radio communication device 130.

The network access data for the access of the second integrated subscriber identity module 160 to the second network slice 410 through the network access entity 421 of the second network slice 410 and the Network access entity 451 of the first network slice 440 can be transmitted to the second integrated subscriber identity module 160 via the specific communication interface A1 and the specific communication interface N1 to the communication interface 140 of the mobile radio communication device 130.

The network access data for the access of the second integrated subscriber identity module 160 to the second network slice 410 are based, for example, on the subscriber-specific registration data of the second integrated subscriber identity module 160, such as the second mobile radio subscriber ID of the second integrated subscriber identity module 160 or also further registration data of the second integrated subscriber identity module 160, for example a name, a password, a network key, etc.

The network access data indicate capabilities of the second network slice 410, in particular those capabilities which can be used for the second integrated subscriber identity module 160. Finally, the communication connection is established through the second integrated subscriber identity module 160 and the corresponding network elements of the first network slice 440 and the second network slice 410 based on the network identification of the second network slice 410 and the network access data to the second network slice 410 built up.

The network access data can, for example, indicate the following capabilities of the second network slice 410: Number and type of further network slices which can be allocated by the second network slice 410 or to which the second network slice can establish a communication connection, support specific network slice functions, the ability to transmit data and / or voice, support for 2G / 3G, 4G and / or 5G roaming, support for a specific service through the second network slice 410.

The registration request can furthermore have an identification of a specific service for which the second integrated subscriber identity module 160 requests the second network slice 410. The specific service

can be provided by the second network slice 410 based on the identification of the specific service if the second network slice 410 supports the specific service. Otherwise, i.e. if it does not support the specific service, the network access entity 451 can transmit a network slice ID of another cellular network to the second integrated subscriber identity module 160 which supports the specific service. In this case, the network slice ID of a further network slice, which can be allocated by the second network slice 410 or to which the second network slice can establish a communication connection, can also be transmitted to the second integrated subscriber identity module 160, which the specific service supported.

The registration request can further comprise a key for authenticating the second integrated subscriber identity module 160. The network access entity 451 can authenticate the second integrated subscriber identity module 160 via an authentication entity 431 of the second network slice 410 based on the key. This can take place even before the subscriber-specific registration data is queried.

5 shows a schematic illustration of a method 500 for wireless communication via a first cellular network 110 and via a second cellular network 120, the first cellular network 110 having a first network identification 111 and the second cellular network 120 having a second network identification 121, as described above for FIGS. 1 to 4, for example, and for automatic network selection via a cellular radio communication interface 140 of a cellular radio communication device 130.

The mobile radio communication interface 140 has a first integrated subscriber identity module, iSIM: Integrated Subscriber Identity, 150 and a second integrated subscriber identity module 160. The first integrated subscriber identity module 150 is implemented as an embedded integrated circuit and permanently stores a first mobile radio subscriber identification 113 together with the first network identification 111, as described, for example, above with regard to FIGS. 1 to 4.

The second integrated subscriber identity module 160 is implemented as an embedded integrated circuit and a second mobile radio subscriber identifier 123 is fixed together with the second network identifier 121, as described above for FIGS. 1 to 4, for example.

The first mobile radio subscriber identifier 113 identifies the first integrated subscriber identity module 150 in the first mobile radio network 110 and the second mobile radio subscriber identifier 123 identifies the second integrated subscriber identity module 160 in the second mobile radio network 120, as described, for example, above with regard to FIGS. 1 to 4 .

The mobile radio communication device 130 has a first data memory 180 which is set up to store first data for forwarding to the first mobile radio network and a second data memory 190 which is designed to store second data for forwarding to the second mobile radio network, such as for example described above for FIGS. 1 to 4.

The method 500 has the following steps:

Receiving 501 a network identification by means of the cellular radio communication interface 140;

Comparing 502 the received network identification with at least one of the permanently stored first network identification 111 and the second network identification 121;

Reading 503 the first data from the first data memory 180 and sending the first data together with the first mobile radio subscriber identifier 113 to the first mobile radio network 110 if the received network identification corresponds to the first network identification 111; and

Reading 504 the second data from the second data memory 190 and sending the second data together with the second mobile radio subscriber identifier 123 to the second mobile radio network 120 if the received network identification corresponds to the second network identification 121.

These steps correspond, for example, to the functionalities as described above for FIGS. 1 to 4.

One aspect of the invention also comprises a computer program product which can be loaded directly into the internal memory of a digital computer and comprises software code sections with which the method 500 described in relation to FIG. 5 or the processes described in relation to FIGS. 1 to 4 are carried out when the product is running on a computer. The computer program product can be stored on a computer-compatible, non-transitory medium and comprise computer-readable program means which cause a computer to carry out the method 500 or to implement or control the network components of the communication networks described in FIGS.

The computer can be a PC, for example a PC on a computer network. The computer can be implemented as a chip, an ASIC, a microprocessor or a signal processor and can be arranged in a computer network, for example in a communication network as described in FIGS.

Claims (10)

It goes without saying that the features of the various exemplary embodiments described herein can be combined with one another, unless specifically stated otherwise. As shown in the description and the drawings, individual elements that have been shown in connection do not have to be directly connected to one another; Intermediate elements can be provided between the connected elements. Furthermore, it goes without saying that embodiments of the invention can be implemented in individual circuits, partially integrated circuits or completely integrated circuits or programming means. The term "example" is intended as an example only, and not as the best or optimal. Certain embodiments have been illustrated and described herein, but it will be apparent to those skilled in the art that a variety of alternative and / or similar implementations could be made in lieu of those shown and embodiments described can be implemented without departing from the concept of the present invention 1. Mobile radio communication device (130) for wireless communication via a first mobile radio network (110) and via a second mobile radio network (120), the first mobile radio network (110) having a first network identification (111) and wherein the second cellular network (120) has a second network identification (121) with the following features: a mobile radio communication interface (140) for communication with the first mobile radio network (110) and the second mobile radio network (120), the communication interface (140) having a first integrated subscriber identity module, iSIM: Integrated Subscriber Identity, (150) and a second integrated subscriber - Identity module (160), wherein the first integrated subscriber identity module (150) is implemented as an embedded integrated circuit and permanently stores a first mobile radio subscriber identifier (113) together with the first network identification (111), the second integrated subscriber identity module (160) 'is implemented as an embedded integrated circuit and permanently stores a second mobile radio subscriber identifier (123) together with the second network identification (121), the first mobile radio subscriber identifier (113) being the first integrated subscriber identity module (150) in the first Cellular network (110) ident and wherein the second cellular subscriber identifier (123) identifies the second integrated subscriber identity module (160) in the second cellular network (120); a first data memory (180) which is set up to store first data (114) for forwarding to the first cellular network; a second data memory (190) which is designed to store second data (124) for forwarding to the second cellular network; wherein the mobile radio communication interface (140) is designed to receive a network identification, and wherein the communication interface is further designed to compare the received network identification with at least one of the permanently stored first network identification (111) and the second network identification (121), and wherein the mobile radio communication interface (140) is designed to read out the first data (114) from the first data memory (180) and to transmit the first data (114) together with the first mobile radio subscriber identifier (113) to the first mobile radio network (110), if the received network identification corresponds to the first network identification (111), and to read out the second data (124) from the second data memory (190) and to transmit the second data (124) together with the second mobile radio subscriber identifier (123) to the second mobile radio network (120) if the received network identification of the second Ne network identification (121). 2. Mobile radio communication device (130) according to claim 1, wherein the mobile radio communication interface (140) is designed to send the first data together with the first mobile radio subscriber identifier (113) to a network address (112) of the first mobile radio network (110), and to send the second data together with the second mobile radio subscriber identifier (123) to the network address (122) of the second mobile radio network (120). 3. Mobile radio communication device (130) according to one of the preceding claims, with a first sensor which is designed to detect a first value of a first physical variable and to assign the first value as the first data (114) in the first data memory (180) store, and with a second sensor which is designed to detect a second value of a second physical variable and to store the second value as the second data (124) in the second data memory (190), the first physical variable and the second physical size are different. 4. Mobile radio communication device (130) according to one of the preceding claims, wherein the first data memory (180) is designed to store the first data (114) after reading out the first data (114) through the communication interface (140) from the first data memory ( 180), and wherein the second data memory (190) is designed to delete the second data (124) after reading out the second data (124) from the second data memory (190) through the communication interface (140). 5. Mobile radio communication device (130) according to one of the preceding claims, wherein the communication interface (140) is designed to interrupt a voltage supply of the first integrated subscriber identity module (150) in order to deactivate the first integrated subscriber identity module (150), and a Power supply interruption of the second integrated subscriber identity module (160) in order to deactivate the second integrated subscriber identity module (160). 6. Mobile radio communication device (130) according to claim 5, and wherein the communication interface (140) has an integrated voltage source which is designed to provide the voltage supply. 7. Mobile radio communication device (130) according to one of the preceding claims, wherein the communication interface (140) is designed to activate the respective integrated subscriber identity module (150, 160) in order to send out the respective data, and the respective integrated subscriber identity module (150, 160) after sending the respective data. 8. Mobile radio communication device (130) according to one of the preceding claims, wherein the mobile radio communication interface (140) is designed to deactivate, in particular permanently, the first integrated subscriber identity module (150) and the second integrated subscriber identity module (160) deactivate if the received network identification corresponds neither to the first stored network identification (111) nor to the second stored network identification (121). 9. Mobile radio communication device (130) according to one of the preceding claims, wherein the first mobile radio network (110) is a first subnetwork of a 5G mobile radio network, wherein the second mobile radio network (120) is a second subnetwork of the 5G mobile radio network, wherein the cellular network The communication device (130) is a loT communication device, the first mobile radio subscriber identifier (113) being stored in cryptographically encrypted form in the first integrated subscriber identity module (150) using a first public cryptographic key, and the second mobile radio subscriber identifier (123 ) is stored cryptographically encrypted in the second integrated subscriber identity module (160) using a second public cryptographic key, the first public cryptographic key being assigned to the first cellular network (110), and the second public cryptographic key to the second cellular network network (120) is assigned. 10. A method (500) for wireless communication over a first cellular network (110) and over a second cellular network (120), wherein the first cellular network (110) has a first network identification (111) and wherein the second cellular network (120) has a second network identification (121), and for automatic network selection via a cellular communication interface (140) of a cellular communication device (130), the cellular communication interface (140) having a first integrated subscriber identity module, iSIM: Integrated Subscriber Identity, (150) and a second integrated subscriber identity module (160), the first integrated subscriber identity module (140) being implemented as an embedded integrated circuit and permanently storing a first mobile radio subscriber identification (113) together with the first network identification (111), the second integrated subscriber identity module (160) as an embedded one the integrated circuit is implemented and permanently stores a second mobile radio subscriber identifier (123) together with the second network identification (121), the first mobile radio subscriber identifier (113) identifying the first integrated subscriber identity module (150) in the first mobile radio network (110), and wherein the second mobile radio subscriber identifier (123) identifies the second integrated subscriber identity module (160) in the second mobile radio network (120), the mobile radio communication device (130) having a first data memory (180) which is set up to forward first data to the first cellular network and has a second data memory (190) which is designed to store second data for forwarding to the second cellular network, the method having the following steps: Receiving (501) a network identification by means of the cellular radio communication interface (140); Comparing (502) the received network identification with at least one of the permanently stored first network identification (111) and the second network identification (121); Reading (503) the first data from the first data memory (180) and sending the first data together with the first mobile radio subscriber identifier (113) to the first mobile radio network (110) if the received network identification corresponds to the first network identification (111); and Reading (504) the second data from the second data memory (190) and sending the second data together with the second mobile radio subscriber identifier (123) to the second mobile radio network (120) if the received network identification corresponds to the second network identification (121).