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  • Embedded SIM (eSIM)/eUICC Technology – Post from Grandmetric Advisor

    Embedded SIM (eSIM)/eUICC Technology – Post from Grandmetric Advisor

    Date: 31.03.2017



    Introduction

    eSIM (also known as embedded Universal Integrated Circuit Card, eUICC) technology allows the download and activation of eSIM profiles over the air in a seamless, secure, and convenient way, using Remote SIM Provisioning (RSP) Platform [1] and has the following features:

    • it is a programmable SIM that can be seamlessly and securely provisioned over the air
    • facilitates easy switch between Mobile Network Operators (MNOs), allowing consumers to select the MNO that offers the best deal
    • serves both consumers (smartwatches, mobile phones, tablets,..etc) and M2M (connected cars, smart water meters, smart electricity meters,..etc)

    Note: eSIM can be removable or soldered into the device at the time of manufacturing.

    Why Embedded SIM?

    The key driver for the introduction of eSIM technology is the rapid rise of connected cars (e.g., BMW, Toyota, ..etc), smart utility meters (e.g., smart meters for electricity, water, ..etc), and consumer electronics (wearable gadgets like smartwatches and fitness tracker) with cellular connectivity.

    M2M connections forecast Source: [2]

    The eSIM offers several advantages when compared to the classical SIM. The main ones are [3], [4],[5]:

    Miniaturization: wearable gadgets are miniaturized for comfort, portability and aesthetic. Since eSIM can be made small in size, it suits well with wearable gadgets.

    Ruggedness: consumer electronics, especially wearable gadgets are expected to stand up to a variety of demanding environmental conditions, including shock, humidity, sweat and so on. Thus, eSIM is a perfect answer because it can be soldered into the gadget.

    Integrity: allowing consumer to crack open a device case to replace a SIM would jeopardize the integrity of the device and create unpleasant challenge for the warranty and repair department.

    Independent Connectivity: without physically accessing the SIM, consumer can provision and change service providers over the air (OTA). This provides a global, operator-independent connectivity solution, which allows consumer to select the best subscription options (e.g., subscription cost, coverage, and service level). Such freedom is important for a wide range of upcoming Internet of Things (IoT) use cases.

    Who is Behind Embedded SIM?

    The GSM Association (GSMA) played an instrumental role in establishing cross-industry collaboration among global mobile operators, mobile device manufacturers, and SIM vendors to create a global and interoperable specification that allows consumer to remotely order and install mobile subscriptions to their devices and connect them securely to mobile networks. The specification focuses on eSIM Architecture, Remote SIM Provisioning (RSP) architecture, and security functions within the RSP architecture.

    The specification is now supported by the world’s largest mobile operators, including AT&T,  Deutsche Telekom, Etisalat, NTT DOCOMO, Orange, Rogers, Telefonica, Telenor, Verizon, Vodafone, … etc. It is also supported by major device manufacturers, including Apple, Samsung, Huawei, LG, Sony, … etc. Major SIM and chipset vendors (e.g., Gemalto, Giesecke & Devrient, Oberthur, Qualcomm, STMicroelectronics, … etc.) are on board as well. Further, the specification is supported by the telecom equipment manufacturer Nokia and the security provider Trustonic.

    Supporters of eSIM

    Source: [6]

     

    Difference Between eSIM for M2M and a Consumer

    In addition to architectural differences, the main difference between M2M and Consumer is the right to change subscription.

    Consumer:•      Consumer has the full right to order, activate, delete, ..etc profiles

    •      The device usually does not come with a preinstalled bootstrap profile

    •      Profile installed in 30 seconds or less

    •      Profile download can be done using any IP based communication (e.g, WiFi, Mobile Network, ..etc)

    M2M:•      Only OEM or (its representative) has the right to order, activate, delete, ..etc profiles

    •      Device comes with a pre-installed bootstrap profile

    •      Profile installation takes minutes to hours

    •      Profile download can be done only using  a Mobile Network

    There are two GSM Technical Specifications, one for Consumer Devices: “Document SGP.22”, Version 2.0, October 14, 2016 [7] and one for M2M: “Document SGP.02”, Version 3.1, May 27, 2016 [8].

    eSIM is an Opportunity for All Stakeholders

    Indeed, the eSIM technology is a Consumer Game Changer and one of the last missing pieces of the puzzle required for faster deployment and adoption of M2M connectivity technologies. The other pieces (e.g., release of narrowband IoT (NB-IoT) specifications, availability of low-cost M2M modules, active M2M developer community, and improved awareness among target users about new use cases and commercial potential) are falling into place [9].

    distribution of eSIM-enabled devices

    Source: [10]

    The pie chart shows GSMA projection for the distribution of eSIM-enabled devices among relevant sectors by 2020.  There are plenty of opportunities for all stakeholders.

    Consumer

    • No more wasting time going to and waiting at retail stores to purchase a SIM card because consumer can subscribe online and then activate securely and seamlessly all his/her eSIM-enabled devices over the air
    • Reduced prices because of increased competition among MNOs due to freedom of switching, at any time, to  the  MNO that offer the best deal
    • Better user experience because it is easier to add devices to existing services plans and  centralizing a household’s fleet of new gadgets

    OEMs (Original Equipment Manufacturers)

    • Like they do in Mobile Virtual Network Operator (MVNO) space, operators will still have the power to control who (which device) can connect to their network [11]. However, OEM players (car manufacturers, smart utilities manufacturers, wearables and Mobile handset manufacturers, ..etc)  can arrange agreement (e.g., shared cost of the production of eSIM, direct cash, ..etc) with selected MNOs as a reward for including them in a pre-defined list of MNOs that their devices support.

    MNO (Mobile Network Operator)

    • Operational benefits and cost reductions, over the medium to long term, due to the new possibility of remote service provisioning and management
    • efficient way to connect remotely and seamlessly new types of devices to the network, either as part of an existing subscription or a new one. This will generate new revenues from additional connections and traffic
    • potential to marry value-added services to the device (e.g., linking fitness tracker to a virtual gym or personal trainer; involving nutritional specialists or medical advisors with a range of healthcare and wellbeing devices) [12]

    The eSIM technology is explained in more details in the following presentation.

    References

    [1] Beecham Research Ltd., “Benefits analysis of GSMA embedded SIM specification on the mobile enabled M2M industry”, 2014

    [2] http://www.gemalto.com/mobile/networks/on-demand-connectivity/consumer-electronics

    [3] http://www.rcrwireless.com/20160411/opinion/reader-forum-esims-will-power-wearables-revolution-tag10

    [4]http://linkwave.co.uk/news/sierra-wireless-introduces-euicc-solution-for-smart-sim-and-connectivity-service

    [5] http://www.economiza.com/2016/02/18/gsma-lanza-una-caracteristica-de-suministro-remoto-en-la-esim/

    [6] http://www.gsma.com/newsroom/wp-content/uploads//SGP.22-v2.0.pdf

    [7] http://www.gsma.com/newsroom/wp-content/uploads//SGP.02_v3.1.pdf

    [8] Declan Lonergan, “eSIM should facilitate new mobile and IoT business models”, 451 Research, November 2, 2016.

    Author

    Youssouf Ould Cheikh Mouhamedou

    Dr. Youssouf Ould Cheikh Mouhamedou is a Senior Wireless Access Expert. He has 15+ years of international experience in both the academic and telecom sectors in North America (Canada), Europe (Germany and France), and MENA Region (Saudi Arabia) relating to wireless telecommunications, software development, and project management. His interests are in wireless technology, IoT, digitalization, cloud, strategy and roadmap, interfacing with vendors, project execution and monitoring, and technical alliances and partnerships. He received Dipl.-Ing. and Ph.D. degrees in electrical and computer engineering from Munich University of Technology (TUM), Germany, and McGill University, Canada, respectively. In 2017 he joined Grandmetric as Advisory Board Member.

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