Machine to machine type communications (M2M) have existed since almost 20 years ago, probably starting with Siemens innovations for that point in time around 1995 when the first machines were provided with communication capabilities for interacting with remote servers automatically. The M2M technology has widely evolved the machines communication capabilities, its services, and its applications during these years, getting to complex and sophisticated systems available today for a wide range of applications including: automated health systems, industry appliances, telemetry, transport communication, vending machines, e-commerce and retail, among many others. In addition, the networks carrying the information from these client devices or smart machines to the application servers have evolved in parallel, to the point where most of the M2M devices today uses the cellular networks, most of these on 2G and some of these in 3G and more recently 4G/LTE. Thanks to this it is possible to efficiently have the vending machines filled from the storages in time, the medical reports sent in real time to the hospitals, or the transport trucks float located around the world at all times, for giving a few obvious examples.
Today, as the telecom evolution continues, we have a major trend in the industry known as the Internet of Things (IoT), or Internet of Everything (IoE) depending on who tells the story. The IoT intends to propose an important evolution from the classical M2M communication to some kind of utopia where every object in the world can and will be connected in the future. Current innovative IoT products allows controlling the lights in the house, or the doors, or even the kitchen appliances remotely, with a single click or touch of our tablets and smartphones.
The applications available for encouraging the IoT today range from a wide offer of home appliances connected with the cloud (e.g. from toasters to TV’s, and from the house’s light systems to the AC’s), to devices designed to be wear-on during our day-to-day activity (e.g. connected shoes or t-shirts). This of course includes famous and innovative devices like the smart watches from big companies investing on these e.g. Apple or Sony, or the optic devices like the Google Glass. What all of these devices have in common however, is the fact that the previously industrial purposed M2M technology is being extended to the common user for personal or business usage. Which is mainly happening thanks to the low cost and low power sensors and actuators being available just now in the market, as the electronics for these is getting more popular, among other factors. As such, today we can find in example movement sensors with cellular connectivity on 3G networks interacting with Android applications from USD$10 or so, when a few years back this implied hundreds or thousands of dollars, if at all available for retail.
The projections in the number of devices and objects potentially connected for IoT, and being shared by the incumbent analysts and vendors, are simply dazzling. Cisco Systems in example estimates we had 8.7 billion connected objects in the world for 2012, and we will have around 14.4 billion and 18.2 billion for 2014 and 2015 respectively. There is even an online counter or estimator of connected objects in real time available in this link. We should keep in mind Amara’s law however where especially in innovations “we tend to overestimate the effect of a technology in the short run and underestimate the effect in the long run”; but even after a reality check, the number of connected objects in the future should still be amazingly high.
These figures justifies the amount of people wanting to participate in the evolution, and this also includes the network operators. Traditionally the M2M technology had historically represented very low ARPU for the operators. In example some reports from Vodafone indicates the average revenue per month per account for M2M during 2012 was around USD$5, with projections to lower this value during the coming months in 2013; while the cost of delivering services in 2G/3G is much higher than this. Therefore, the M2M business is only profitable for an operator when having big amounts of accounts and devices, and as the nature of the M2M traffic is producing very low throughput usage in the network with lots of transactions this is also technically feasible to handle with current networks. The situation for the IoT is therefore only desirable from a massive implementation point of view, just then allowing a credible business case for the operator.
This year we are starting to see the operators decommissioning their old 2G networks (where most of the current M2M devices are operating today) or planning to do so in the coming years, for allowing this spectrum being reused on future LTE and LTE-advanced deployment. Most likely spectrum is and will be the most desirable good for the operators as technologies evolve these years. This forces the M2M communications to be deployed on 3G or 4G/LTE networks, and triggers issues like seen in the USA where point of sales only operating on 2G networks were suddenly left out of business with no alternative option. The business case for M2M on 3G and 4G/LTE networks however is still not clear, as even when the cost for the operator to deliver services on these technologies is cheaper, not all the M2M devices support these technologies yet, and not all the operators have recovered the capital investments on these access technologies neither. Considering all of this in my opinion, if we are planning to have credible and massive implementations of IoT in the future, we will have to see these adapted to the most recent communication technologies, for making sure these survive… and the operators keep their profitability. In other words if a smart toaster gives little gain to the operator, he would only support to communicate it if you have millions of smart toasters connected in a signed contract… buy cheap, buy lots. Keep the profitability levels for having everybody happy in the evolution towards an intelligent objects world.
- Internet of Things early adopters encouraged by Gartner (itpro.co.uk)