With the launch of IoT devices, longevity policies for communication products will be a huge obstacle, and most products such as infrastructure machinery or smart meters deployed in smart cities will struggle to connect to the corresponding devices. Although unsubscribed from the service, the network provider. It ends up putting a huge gratuitous strain on the network. Now, with the deployment of OTA solutions, this continuous communication over the connection can be limited or completely blocked.

With the rise of IoT devices of all kinds, a new approach to updating methods is essential. Previously, updates for each device were sent via SMS by the mobile operator. For example, connected generators may not receive SMS, so IoT OTA platforms rely on data connections for direct updates via HTTP. For meters that do not require a mobile phone number, OTA updates are sent using the device's International Mobile Subscriber Identity (IMSI). Another example is when many IoT devices are not connected or offline for a long time, it is possible for this OTA platform to detect when the offline product is connected to the network again and send an update.

Pierre Barrial, CEO of IDEMIA, said: "The IoT OTA platform also creates the possibility of new applications. For example, a priority is the GSMA IoT Security and Encryption Freedom (SAFE) applet, which aims to provide complete security protection for all two-way Communication is combined with device-to-device and device-to-cloud IoT offerings. On top of that, the platform can also help OEMs and mobile operators monitor customer service quality such as data accessibility, coverage quality, dropped calls reasons, and constantly oversee network access technology.”

“It will ultimately help operators use this data source to reconfigure SIM cards and maintain their network over the air. There are also many hurdles in connectivity, which OTA platforms also address, such as many developed and developing countries are working on Deploying always-on connectivity for emergency services can meet these requirements by updating radio policy documents, which can be further updated via OTA. Today, LTE/5G private networks for defense industries such as military, police, air, and land use their built-in LTE/5G eSIM, SIM and multi-IMSI are carefully crafted, where OTA updates can help reconfigure cards seamlessly so that connected devices are always attached to complex networks," Barrial added.

There are many challenges when testing an OTA platform or solution, mainly in terms of measurement. One of the obstacles centered on the antenna system. As technology becomes more advanced and moves towards the 5G ecosystem, finding impeccable positions and settings for 3D antennas to check for moving beams while accounting for scatter and interference will be complex. Must include a novel ratio measurement, such as power or the ratio of space to departure direction. When testing OTA, models are used, so it is important to note that all devices must look for blocking effects on the human radiation pattern. Another hurdle is that there are multiple transceivers in an active antenna system, and each transceiver must be characterized over the OTA interface and measured against the receiver and transmitter. Transceivers must be turned on for joint evaluation or individual verification.

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