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Ericsson Research Blog

Carrier Wi-Fi – what to expect in the near future

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Wi-Fi comes in many shapes and sizes. It is widely used by consumers and enterprises and in recent years it has become increasingly more popular with mobile operators. The term “Carrier Wi-Fi” – Wi-Fi networks deployed and managed by operators – is nowadays commonplace in telecom lingo. Interest really started growing in 2012 with the launch of Hotspot 2.0, also known as Passpoint. This technology streamlines network access, eliminates the need for user intervention when connecting to Wi-Fi hotspots, and delivers state-of-the-art WPA2 security. Mobile operators are interested in using Wi-Fi to extend their offerings and augment their cellular experience with seamless Wi-Fi connectivity.

What should we expect from Carrier Wi-Fi in the upcoming years?
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Big data pains and solutions

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Nobody ever got fired for suggesting big-data technologies. True. But that does not mean it cannot be painful.

The challenge is not just being technically capable of analyzing huge amounts of data, but being able to expose the analytics capabilities to domain experts who want to develop new, business relevant applications based on the information.

In Ericsson Research, we have learned a great deal about this problem while building complex big-data analytics use cases, and we are addressing it with a new framework we call ARK. Follow along – this could help you too!
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Data processing architectures – Lambda and Kappa examples

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In our previous blog post, we briefly described two popular data processing architectures: Lambda architecture and Kappa architecture. In this post, we present two concrete example applications for the respective architectures: Movie recommendations and Human Mobility Analytics.
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Data processing architectures – Lambda and Kappa

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What constitutes a good architecture for real-time processing, and how do we select the right one for a project? In two blog posts we will discuss the qualities of the two popular choices Lambda and Kappa, and present concrete examples of use cases implemented using the respective approaches.

In this first post, we describe the two architectures in more detail: their differences, the technologies we can use to realize them as well as the tipping points that will make us decide on using one or the other.
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5G: flexibility or high performance? Both!

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Software-Defined Networking (SDN) and Network Function Virtualization (NFV) promise more flexible and manageable networks, but they also require a certain level of programmability in the data plane. Programmability which is often associated with lower performance. Is such lower performance really unavoidable? Or is it just a perception that needs to be removed from the heads of the networking community?
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5G for improving urban transport

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Congestion, accidents and negative environmental impact are some consequences of increasing road traffic in cities around the world. We are convinced mobile technology can help alleviate many such problems, and are doing research on several transportation use cases together with Scania and the Royal Institute of Technology in Stockholm. 5G networks are essential to these use cases, as they comprise technologies used to reliably and timely transfer mission-critical data between vehicles, roadside infrastructure and software in the cloud.
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5G mining project goes underground

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A few months ago, we launched a collaboration project to explore 5G technology in the context of mining. Underground mines are hazardous and challenging environments, so remote control of machinery has a lot of potential to improve both productivity and safety. The mines also provide very interesting research challenges for communication networks!

Since project kick-off in August, we have been working with designing and planning the installation of a mobile test network inside the Boliden mine in Kankberg, north Sweden. Yesterday, we went underground to collect measurements and other input for the final stages of the design.
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High Dynamic Range broadcasting

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Watching TV is a natural part of our lives. Since the first TV sets made their way into our living rooms several decades ago, the TV experience has gone through several steps of evolution: from black-and-white to color TV, from analog to digital, and recently an increase in resolution from standard definition to high definition and then even further to 4K (a.k.a. Ultra-HD).

The next big thing is High Dynamic Range, HDR.
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Unifying cloud and carrier networks

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Service innovation and efficient use of resources are goals of Service Providers and Content Providers in the ICT space. Advances in cloud and networking technologies provide tools to achieve this. Combining cloud technologies and carrier networks in a common orchestration framework can create new levels of performance and innovation, and this has been the goal of the EU FP7-funded UNIFY-project led by Ericsson.

This blog post provides a deep-dive into the UNIFY solution for readers that are well-versed in the technologies of SDN, NFV and data centers. Learn about the BiS-BiS solution, applying the narrow-waist design principle, Infrastructure-as-a-Service (IaaS), how to fill the gap between SDN and the ETSI Management and Orchestration framework and diverse infrastructure domains.
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