White Paper Excerpt

White Paper Excerpt

Radio Technologies for IoT Connectivity

In the Hyperscale Cellular IoT white paper, we focus entirely on cellular IoT connectivity. Although cellular IoT will only stand for 22% of all connections at the end of 2026, around 5,9 billion devices will be connected through cellular networks!

Hyperscale Cellular IoT – White Paper

This is an excerpt from our white paper Hyperscale Cellular IoT. The full white paper is available here if you like what you read. Don’t hesitate to contact us if you have any questions.

Hyperscale Cellular IoT white paper download

The vast majority of IoT connections will be short-range devices using radio technologies such as Wi-Fi, Bluetooth, Z-wave, and Zigbee. But, just like most radio technologies for IoT, cellular connectivity will have rapid growth.

Radio Technologies for IoT

 

The actual and forecasted number of IoT devices using different technologies. Source: IoT Analytics

 

Each technology has its own use case. Cellular is the technology of choice for devices requiring mobility. Short-range technologies such as Wi-Fi are mainly for indoor connectivity. The Low Power Wide Area Networks (LPWAN), including the cellular NB-IoT and technologies such as LoRa, are focused on battery-powered devices with a battery life of up to 10 years.

Management Is Key for IoT

Cellular is the only technology that enables global central management by using the mobile operator’s existing roaming portfolio, typically in 200 or more countries. However, as discussed in our white paper, there are markets where permanent roaming is not a viable option (regulations and/or commercial reasons).

Initiatives such as Aptilo Zero-touch Wi-Fi IoT Connectivity™ and WBA’s OpenRoaming aims to make Wi-Fi-based IoT more seamless and secure also on a global scale.

A Closer Look at Technologies for Cellular IoT

Today, many IoT applications are using the existing 4G (LTE) broadband, which has been improved for IoT. In the last few years, 3GPP has created new standards to better support specific use cases. The largest volume of new IoT devices will come in the Massive IoT area designed to support low-cost wearables, sensors, and meters over long distances. 5G provides the ability to support Critical IoT use cases for real-time mission-critical applications such as connected cars and remote surgery.

Comparing Cellular Radio Technologies for IoT

 

Comparing Cellular Radio Technologies for IoT

 

The Massive IoT market segment includes devices that are widely used in our society, mainly different sensors and meters. The NB-IoT and LTE-M technologies are the dominant technologies for Massive IoT. Compared to 4G, they are designed to deliver extreme coverage with much smaller data volumes and mainly periodical transfer of data. This means a battery life of up to 10 years which is ideal for low-cost devices such as smart meters.

NB-IoT is useful for simpler devices that don’t require connected mobility and tolerate low data rates in tens of Kbps and high latency of up to 10 seconds.
For tracking devices where connected mobility is crucial, CAT-M is a better choice. Cat-M also offers support for voice, higher data speeds of up to 1 Mbps and lower latency (100-150 ms).

 

According to the Ericsson Mobility report November 2020, massive IoT (NB-IoT and Cat-M) will have an explosive growth going from almost 200 million connected devices in 2020 to approximately 2.6 billion or 45% of all cellular IoT connections by the end of 2026. At the same time, the total number of cellular IoT devices will be approximately 5.9 billion and 44 percent of those will use broadband IoT and Critical IoT (first devices expected in 2021), with 4G connecting most devices.

The non-cellular long range technology low-power wide-area network (LPWAN) will, according to the same report, go from 200 million to 400 million between 2020-2026.

Growth of Cellular IoT

 

Actual and forecasted number of IoT devices using different cellular technologies. Source: Ericsson Mobility Report November 2020

 

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