I have to confess that, even after 25 years in the business, I am still puzzled by the way we build mobile networks. If tomorrow we were to restart from scratch, with today's technology and knowledge of the market, we would certainly design and deploy them in a very different fashion.
Increasingly, mobile network operators (MNOs) have realized that the planning, deployment and management of the infrastructure is a fundamentally different business than the development and commercialization of the associated connectivity services. They follow different investment and amortization cycle and have very different economic and financial profiles. For this reason, investors value network infrastructure differently from digital services and many MNOs have decided to start separating their fibre, antennas, radio assets from their commercial operation.
This has resulted in a flurry of splits, spin off, divestiture and the growth of tower and infrastructure specialized companies. If we follow this pattern to its logical conclusion, looking at the failed economics of 5G and the promises of 6G, one has to wonder whether we are on the right path.
Governments keep treating spectrum as a finite, exclusive resource, whereas as private networks and unlicensed spectrum demand is increasing, it is clear that there is a cognitive dissonance in the economic model. If 5G's success was predicated on enterprise, industries and verticals connectivity and if these organizations have needs that cannot be satisfied by the public networks, why would MNOs spend so much money on a spectrum that is unlikely to bring additional revenue? The consumer market does not need another G until new services and devices emerge that mandate different connectivity profiles. Metaverse was a fallacy, autonomous vehicles, robots... are in their infancy and workaround the lack of connectivity adequacy by keeping their compute and sensors on device, rather than at the edge.
As the industry prepares for 6G and its associated future hype and non sensical use cases and fantastical services, one has to wonder how can we stop designing networks for use cases that never emerge as dominant, forcing redesigns and late adaptation. Our track record as an industry is not great there. If you remember, 2G was designed for voice services. Texting was the unexpected killer app. 3G was designed for Push to talk over Cellular, believe it or not (remember SIP and IMS...) and picture messaging early browsing were successful. 4G was designed for Voice over LTE (VoLTE) and video / social media were the key services. 5G was supposed to be designed for enterprise and industry connectivity but failed to deliver so far (late implementation of slicing and 5G Stand Alone). So... what do we do now?
First, the economic model has to change. Rationally, it is not economically efficient for 4 or 5 MNOs to buy spectrum and deploy their separate networks to cover the same population. We are seeing more and more network sharing agreements, but we must go further. In many countries, it makes more sense to have a single neutral infrastructure operator, including the cell sites, radio, the fiber backhaul even edge data centers / central offices all the way but not including the core. This neutral host can have an economic model based on wholesale and the MNOs can focus on selling connectivity products.
Of course, this would probably suppose some level of governmental and regulatory overhaul to facilitate this model. Obviously, one of the problems here is that many MNOs would have to transfer assets and more importantly personnel to that neutral host, which would undoubtedly see much redundancy from 3 or 4 teams to one. Most economically advanced countries have unions protecting these jobs, so this transition is probably impossible unless a concerted effort to cap hires / not renew retirement departures / retrain people is effected over many years...
The other part of the equation is the connectivity and digital services themselves. Let's face it, connectivity differentiation has mostly been a pricing and bundling exercise to date. MNOs have not been overly successful with the creation and sale of digital services, the emergence of social media, video streaming services having occupied most of the consumer's interest. On the enterprise's side a large part of the revenue is related to the exploitation of the last mile connectivity, with the sale of secure private connections on public networks in the form of MPLS first then SD-WAN to SASE and cloud interconnection as the main services. Gen AI promises to be the new shining beacon of advanced services, but in truth, there is very little there in the short term in terms of differentiation for MNOs.
There is nothing wrong with being a very good, cost effective, performant utility connectivity provider. But most markets can probably accommodate only one or two of these. Other MNOs, if they want to survive, must create true value in the form of innovative connectivity services. This supposes not only a change of mindset but also skill set. I think MNOs need to look beyond the next technology, the next G and evolve towards a more innovative model. I have worked on many of these, from the framework to the implementation and systematic creation of sustainable competitive advantage. It is quite different work from standards and technology evolution approach favored by MNOs but necessary for these seeking to escape the utility model.
In conclusion, 6G or technological improvements in speed, capacity, coverage, latency... are unlikely to solve the systemic economical and differentiation problem for MNOs unless more effort is put on service innovation and radical infrastructure sharing.
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