WO2024116173A1 - Gestion de profils de carte sim intégrée - Google Patents

Gestion de profils de carte sim intégrée Download PDF

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Publication number
WO2024116173A1
WO2024116173A1 PCT/IL2023/051212 IL2023051212W WO2024116173A1 WO 2024116173 A1 WO2024116173 A1 WO 2024116173A1 IL 2023051212 W IL2023051212 W IL 2023051212W WO 2024116173 A1 WO2024116173 A1 WO 2024116173A1
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WO
WIPO (PCT)
Prior art keywords
profile
fallback
euicc
profiles
network
Prior art date
Application number
PCT/IL2023/051212
Other languages
English (en)
Inventor
Noam Lando
Baruch Pinto
Original Assignee
Telroaming Advanced Communication Solution Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telroaming Advanced Communication Solution Ltd. filed Critical Telroaming Advanced Communication Solution Ltd.
Publication of WO2024116173A1 publication Critical patent/WO2024116173A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/04—Error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/183—Processing at user equipment or user record carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/20—Transfer of user or subscriber data
    • H04W8/205—Transfer to or from user equipment or user record carrier

Definitions

  • the present invention relates generally to devices with cellular network connectivity, and in particular to the optimal management of profile switching on eSIM-based components in the machine- to-machine and the loT devices' domains.
  • SIM embedded subscriber identification module
  • SIM physical subscriber identification module
  • GSMA Global System for Mobile communication Association
  • M2M machine-to-machine
  • the consumer domain standard outlined by the GSMA allows for several profiles to be downloaded to a single eSIM, and a switch from one profile to a second to be initiated by the user.
  • the operating logic for this architecture is straightforward: for instance, if a user experiences network problems with one carrier, they can select to switch to a different carrier’s network that can offer better network connectivity.
  • this standard basic architecture, no fallback mechanism is defined for maintaining connectivity.
  • the M2M standard for eSIMs allows for an automatic switch to an Emergency profile or a Fallback profile.
  • the switch to the Emergency profile will be initiated for the device to make calls to and receive calls from an emergency center.
  • Switching to the Fallback profile will happen only in the case of a loss of connectivity arising from a profile suspension by the carrier.
  • Switching back to the primary profile from said Fallback profile is not automatic, requiring a request to be made by the user to a management server.
  • a profile switch from the serving carrier to another carrier is complex and non-automatic, requiring initiation by the serving carrier, a switch that is not generally in the financial interest of said carrier.
  • the method and apparatus taught in US 10,368,235 refers to the activation and update of an eSIM (referred to therein as ‘ SIM of the eUICC’ wherein the eUICC commonly refers to an embedded user integrated circuit card) by utilizing local roaming cellular wireless networks in order to communicate with a server when said eSIM is not within the geographical range of its original MNO (mobile network operator, also referred to as ‘carrier’).
  • SIM of the eUICC referred to therein as ‘ SIM of the eUICC’ wherein the eUICC commonly refers to an embedded user integrated circuit card
  • MNO mobile network operator
  • the present invention discloses a method and apparatus for the automatic switching of profiles downloaded on an eSIM device, wherein a primary profile is switched either to a preferred profile or one or more Fallback Profiles when the device senses an alternative cellular network or a systemic issue in network connectivity, respectively.
  • a profile management applet located on the eUICC component in a device defines and operates the basic protocols that monitor connectivity available to a profile in use and manage the switching of said profiles according to business rules communicated to the eUICC by a dedicated profile management server, herein referred to as the ‘WebbingCTRL server’, and defined by the customer.
  • This applet is located on an eUICC component that complies to the Consumer-standard, as outlined in the SGP.22 document published by the GMSA, and can be deployed in eUICC components within consumer or IOT devices having or not having user interfaces.
  • this applet can control the switching between a plurality of profiles belonging to one or more MNOs stored within the eUICC, and wherein additional profdes can also be created for the purposes of operating a Smart Fallback Mechanism.
  • the applet autonomously controls one of two profde switch processes when it senses a change in connectivity available to the enabled profile by the device: the first process (Auto-Swap) switching from a profile associated with an MNO to another profde associated with an MNO and operated when a change in connectivity is sensed that fulfils one or more business rules communicated to the eUICC by the WebbingCTRL server; and the second process (Smart Fallback Mechanism) switching from a profde to and away from a fallback profde.
  • the first process Auto-Swap
  • the second process Smart Fallback Mechanism
  • a typical example of the Auto-Swap process being deployed would be as the device moves between geographic locations, and thus is subject to a change in connectivity which can be sensed by the applet and determined thereby to induce the applet to switch the profile to another profile associated with an MNO saved on the eUICC.
  • Further examples of Auto-Swaps may derive from other changes in other applet-sensed factors defined in the business rules communicated to the applet from the WebbingCTRL server.
  • the Smart Fallback Mechanism operated by the applet in the eUICC of the device is initiated by the applet when a change in connectivity is sensed and determined to correspond to genuine network problems, and wherein the applet then switches from the enabled profile (primary profile) to a ‘Fallback Profile’ configured in the eUICC and downloaded from the WebbingCTRL server. After the switch to the Fallback Profile has been completed the applet waits a preconfigured length of time before attempting to switch the profile on the eUICC from the Fallback Profile to the primary profile (return switch).
  • the applet if the applet senses a loss of connectivity to the device while using the Fallback Profile, and if said Fallback Profde has its own Fallback Profile configured within the eUICC, then the applet operates another Smart Fallback Mechanism in which a swap to this second Fallback Profile is operated.
  • Several Fallback Profiles can be downloaded from the WebbingCTRL server and configured on the eUICC that are defined as part of Fallback Mechanisms for each other in a linear fashion, forming a Fallback Chain that can expand the scope for available connectivity when network coverage conditions are sub-optimal, providing devices with stronger possibilities of connectivity and thus more capable of maintaining network services.
  • one Fallback Profile within the eUICC can be defined as serving as the Fallback Profile in a Smart Fallback Mechanism for one or more non-Fallback Profiles within the eUICC.
  • a device containing an eUICC configured with three profiles corresponding to three MNOs in three different countries may also be configured with a several Fallback Profiles, wherein one of the Fallback Profiles serves as the Fallback Profile in Smart Fallback Mechanisms for all three non-Fallback Profiles, and wherein the remaining Fallback Profiles form a Fallback Chain originating from the first Fallback Profile.
  • FIG. 1 constitutes an operation flow chart describing various operations operated by the applet within the eUICC component of the device.
  • FIG. 2a illustrates the general architecture of a network in which one or more embodiments of the disclosed invention are operated and wherein the Local Profile Assistant is contained within the device but not directly within the eUICC.
  • FIG. 2b illustrates the general architecture of a network in which one or more embodiments of the disclosed invention are operated and wherein the Local Profile Assistant is contained directly within the eUICC within the device.
  • FIG. 3 constitutes a diagram of the consumer-standard eSIM architecture.
  • FIG. 4a illustrates a possible use case, wherein a user travels between the geographic ranges of different carrier networks and isn’t equipped with the disclosed invention.
  • FIG. 4b illustrates a possible use case, wherein a user travels between the geographic ranges of different carrier networks and is equipped with the disclosed invention.
  • FIG. 5 illustrates the decision architecture relating to the fallback mechanism and business rules for the dynamically determining the favorable profile to be in use at any time.
  • FIG. 6 illustrates a possible fallback chain for profiles which is a linear sequence of fallback profdes.
  • the present invention discloses a method and system for the management of multiple profiles on an eSIM component installed within a device, wherein the changes between profiles are operated autonomously, and wherein said profile changes are operated either to switch to an available profile with advantageous network availability according to business rules defined by a user or to enable fallback functionality when the device experiences genuine network problems.
  • the method for the autonomous control of profile changes is determined by an applet installed on the eSIM component of the device.
  • Said applet may contain protocols which allow for the eSIM component to alternate between a selection of different profiles already present on the eSIM, and furthermore may allow for the device to download and configure additional profiles from servers external to the device.
  • the eSIM component on which the disclosed invention operates may be in regulatory alignment with the consumer standard eSIM architecture published by the GSMA in their document SGP .22 - RSP Technical Specification v2.4, such that neither the presence nor the operation of the applet contravenes the architecture as defined therein, nor does the presence or operation of other elements internal or external to the device that are necessary for the operation of the disclosed invention.
  • the system on which the disclosed invention operates may comprise: an electronic device with or without a user interface; a means of cellular communication; at least one eSIM component; and a dedicated server.
  • an apparatus comprised of an eSIM component and means of cellular communication installed within the electronic device can communicate with said dedicated server, in order to form the necessary network of communication pathways for the full operation of the disclosed invention.
  • the applet distinguishes between a temporary loss of coverage and a genuine systemic lapse in network function by comparing notifications received from the network to the time elapsed since the last notification, wherein the notifications pertain to: ‘normal service’; ‘limited service’; ‘no service’; and to rejection events with corresponding causes, such as a rejection due to a prohibited roaming. If the time elapsed following the reception of any notification other than ‘normal service’ and before a ‘normal service’ notification exceeds a threshold, the applet may determine that there is a genuine lapse in network function. If a ‘normal service’ notification is received begore the threshold time has elapsed, then the applet determines the loss in connectivity to be a ‘temporary loss of coverage’ and takes no action.
  • first non-fallback profile refers to profiles installed on an eSIM wherein their use and definitions relative to each other is specific to the flowchart outlined in FIG.l. These terms do not refer specifically to any other systems or methods known in the art outside of this publication.
  • First non-fallback profile refers to profile on an eSIM component in a device not designated by the applet within the eSIM component as a fallback profile, and which is the enabled profile at the beginning of the protocol outlined in FIG.l in the stage labelled 1.
  • ‘Second non-fallback profile’ refers to a profile on an eSIM component in a device not designated by the applet within the eSIM component as a fallback profde, and which is not the enabled profile at the beginning of the protocol outlined in FIG.l in the stage labelled 1.
  • ‘First fallback profile’ refers to profde on an eSIM component in a device designated by the applet within the eSIM component as a fallback profile, and which is the profile the applet operates a swap to in the protocol outlined in FIG.l in the stage labelled 7.
  • ‘Second fallback profile’ refers to profile on an eSIM component in a device designated by the applet within the eSIM component as a fallback profile, and which is not the profile the applet operates a swap to in the protocol outlined in FIG.l in the stage labelled 7.
  • FIG. 1 constitutes an overview of the methods for changing between different profiles installed on an eSIM component as part of the disclosed invention.
  • the method illustrated in FIG. 1 is operated by the applet within the device, and thus it is the applet that is herein referred to as the subject progressing through decisions.
  • the applet begins in a conventional non-fallback profile 1 and proceeds to determine if any connectivity is available to said conventional non-fallback profile 2. If connectivity is available, the applet can proceed to determine if the network conditions available to its current profile comply with the business rules defined by the user 3. If the network conditions available to the current profile do comply with the business rules defined by the user 3, then the applet proceeds to return to its initial state 1.
  • the applet determines the network conditions available to the current profile do not comply with the business rules defined by the user 3, then the applet proceeds to operate an Auto-Swap 4 to a second non-fallback profile 5 with which the business rules define favorable usage with according to 3.
  • the applet can then proceed to return to its original state 1, having explicitly or implicitly redesignated 6 its second non-fallback profile as a first non-fallback profile within the specific context of the decision flowchart outlined in FIG. 1,
  • the applet determines that no connectivity is available to said conventional non-fallback profde 2, wherein the presence of ‘any connectivity’ is interpreted by the applet to refer to the availability of network connection without network issues defined by the applet as genuine, then the applet proceeds to operate a swap to the first fallback profile 7 and is then using the first fallback profde 8. After the applet has begun using the first fallback profde 8, it begins a preconfigured length of time 9, and then proceeds to determine if any network connectivity is available to the first fallback profde 10.
  • the applet determines that no network connectivity is available to the first fallback profde 10 it will proceed to determine if a second fallback profile is configured for the enabled fallback profde 11. If the applet determines that a second fallback profile is not configured for the enabled fallback profile 11, then the applet proceeds to return to using the first fallback profile 8. If the applet determines that a second fallback profile is configured for the enabled fallback profde 11, then the applet proceeds to operate a swap to the second fallback profile 12 and is then using a second fallback profile 13. The applet can then explicitly or implicitly redesignate 14 the second fallback profile as a first fallback profile within the specific context of the decision flowchart outlined in FIG. 1, and then proceeds to be using the first fallback profde 8.
  • the applet determines that network connectivity is available to the first fallback profile 10 it will proceed to determine if the preconfigured length of time began in 9 has elapsed any connectivity is available to the first non-fallback profile 15. If the preconfigured length of time has not elapsed then the applet returns to If it determines that no network connectivity is available to determining if any connectivity is available to the first fallback profile 10. If the applet determines that the preconfigured length of time has elapsed 15 then it will progress to determine if any connectivity is available to the first non-fallback profile 16. If connectivity is not detected for the first non-fallback profde 16, then the applet will return to using the first fallback profde 8. If the applet determines that network connectivity is available to the first non-fallback profile 16 then it will proceed to operate a return swap to the first non-fallback profile 17, and then be using the first non-fallback profile 1.
  • FIG. 2a illustrates the practical architecture of a network in which one or more embodiments of the disclosed invention.
  • FIG. 2a describes a device 21 within a network wherein the Local Profde Assistant (LPA) 23 is contained within the device but not within the eUICC 22.
  • the eUICC 22 is in communication within the device 1 is in communication with the eUICC manufacturer (EUM) 27 and the operator 25 outside of the device, and in communication with the EPA 23 within the device by channel 30.
  • EUM eUICC manufacturer
  • the EUM 28 may be in communication with a certificate issuer (CI) 28, which is in turn with both a subscription manager discovery server (SM-DS) 29 and a subscription manager data preparation entity (commonly referred to as SM-DP+ as set out in standards document SGP.22) 24.
  • the operator 25 is also in communication within the SM-DP+ 24 and the end user entity 26, which is also in communication with the LPA 23 within the device 1.
  • the LPA is in communication with the SM-DS 29 and the SM-DP+ 24. All channels for communication within the network are labelled 31 for simplicity within the scope and context of the disclosed invention, although they may include a wide variety of channel types as outlined in the GSMA publication SGP.22-2.4.
  • the channel 30 between the LPA 23 and the eUICC 22, which may include several types of connection including those defined within the GSMA publication SGP.22-2.4 as ESlOa, ESlOb, and ESlOc. According to some embodiments, the channel 30 provides the means for profile management within the device where the LPA 23 is not contained within the eUICC 22.
  • FIG. 2b illustrates the practical architecture of a network in which one or more embodiments of the disclosed invention.
  • FIG. 2b describes a device 21 within a network wherein the LPA 23 is contained within the eUICC 22 which is itself is contained within the device 21.
  • the architecture illustrated in FIG. 2b is identical to that illustrated in FIG. 2a except for the lack of an explicit means channel for communication 30 between the LPA 23 and the eUICC 22 because such communication is handled inherently within the eUICC 22 itself.
  • profde management can be operated without the use of an explicit means of interface between different physical components.
  • FIG. 3 illustrates an architecture of the consumer-standard eSIM adapted from figure 3 in the GSMA publication SGP .22 v2.4.
  • the eUICC 22 contains an eUICC operating system 40 which contains: a profile policy enabler 41; a profile package interpreter 42; and a telecom framework 43. Outside of the main operating system are situated several security domain entities, including the eUICC controlling authority security domain (ECASD) 47 and the issuer security domain root (ISD-R) 47.
  • ECASD eUICC controlling authority security domain
  • ISD-R issuer security domain root
  • FIG. 2a the ISD-R 46 is in communication with the LPA 23 via channel 30, whilst in the case illustrated by FIG. 2b an embedded LPA (LPAe) 45 is within the eUICC 22.
  • LPAe embedded LPA
  • FIG.3 illustrates a case with two profiles 50 and 51, where one profile is in use 50 and the other 60 is not in use.
  • Each profile contains a security domain in the form of an issuer security domain profile (ISD-P), 51 in profile 50 and 61 in profile 60.
  • Each profile also includes a mobile network operator security domain (MNO-SD), which contains the keys required to provide an over the air (OTA) channel for the profile, which is shown as 52 in profile 50 and 62 in profile 60.
  • OTA over the air
  • the ISD-P 51 is in communication with the SM-DP+ 24 in a specific channel 71, whilst the MNO-SD 52 is in communication the operator 25 through channel 70.
  • the disclosed invention maintains the security protocols necessary to operate an eSIM within the standard network infrastructure.
  • FIG. 4a illustrates a possible use case wherein a user travels between the geographic ranges of different carrier networks and isn’t equipped with the disclosed invention.
  • the user begins in a scenario 75 where a first profile 80 is designated as the profile in use 90 in the device 21, which is in a first country 100 and adequate network service 95.
  • the user then moves to a second country 101 in scenario 76, wherein the second profile 81 is the designated profile in use 91 and the device 21 maintains adequate network service 96.
  • the user then moves to a new scenario 77 within the second country 102, where the designated profde in use 91 remains as the second profile 81 but there is no network service 97 available to the user.
  • the scenario 77 can occur for many reasons and can leave users without a means of communication with any servers.
  • FIG. 4b illustrates a possible use case wherein a user travels between the geographic ranges of different carrier networks and is equipped with the disclosed invention.
  • the user begins in a scenario 75 where a first profile 80 is designated as the profile in use 90 in the device 21, which is in a first country 100 and adequate network service 95.
  • the user then moves to a second country 101 in scenario 76, wherein the second profile 81 is the designated profile in use 91 and the device 21 maintains adequate network service 96.
  • the user then moves to a new scenario 77 within the second country 102, where the system and method taught in the disclosed invention provide a means of sensing the lack of network availability to the second profile 81 and operate a fallback mechanism wherein a third profile 82 is designated as the profile in use 92, such that the device 21 has adequate network service 98.
  • FIG. 5 illustrates the decision architecture within which the business rules may be defined for dynamically determining the favorable to be in use at any time and within which the fallback mechanism is operated.
  • five different profiles are available 127, 127, 130, 131, and 133, two of which 128 and 131 have fallback profdes 129 and 134 set respectively, and wherein the fallback profile 134 has an additional fallback profde or linear chain of profdes 135 set for it.
  • any number of profiles may be added with any number of fallback profiles associated with them.
  • the business rules 126 may receive data of many kinds and from many sources, including but not limited to: the geographic location 121; profile use data 122; profile price data 123; direct intervention 124; or any other kind of input 125. Using this input data, business rules 126 as defined by the user may select 150 a profile to be in use, wherein only one profile within a device can be in use at one time. In the case illustrated by FIG. 5 the business rules have selected 150 the second profde 128 to be in use.
  • FIG. 6 illustrates a possible fallback chain for profiles which is a linear sequence of fallback profiles assigned for each other.
  • FIG. 6 is an extension of the case of the illustrated by FIG. 5, wherein five different non-fallback profiles are available 127, 127, 130, 131, and 133, two of which 128 and 131 have fallback profiles 129 and 134 set respectively, and wherein the fallback profile 134 is part of a linear chain of profiles 135 set for the non-fallback profile 131.
  • non-adequate network service with one profile will lead to a profile switch to a fallback profile 134, and wherein non-adequate network service detected with the fallback profile 134 will lead to a profile switch to fallback profile 137.
  • This process of detection of non-adequate network service and profile switching to an available fallback profile will continue along the linear chain 135 of fallback profiles.
  • Other non-fallback profiles may also have linear chains 135 set for them.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un système et un procédé d'automatisation de commutation de profil eSIM. Un applet fonctionnant sur un composant eUICC dans un dispositif permet des transitions de profil optimales, définissant les moyens par lesquels des profils sont commutés dans un certain nombre de scénarios probables différents, et optimisant les performances dans lesdits scénarios, comprenant un protocole avancé pour la commutation de profil de secours applicable à la fois aux dispositifs consommateurs et IdO.
PCT/IL2023/051212 2022-11-30 2023-11-24 Gestion de profils de carte sim intégrée WO2024116173A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL298721 2022-11-30
IL298721A IL298721A (en) 2022-11-30 2022-11-30 System and method for managing SIM cards

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WO2024116173A1 true WO2024116173A1 (fr) 2024-06-06

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