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Erik Ekudden
Erik Ekudden, Group CTO and Head of Technology & Architecture

CTO's comments about the latest article

As Ericsson's new CTO since July 1st, I am excited to take over the role of publisher of Ericsson Technology Review and continue the excellent work that Ulf Ewaldsson and his predecessors have done since the first article was published 93 years ago. I want to welcome both new and longstanding readers to join us in learning more about the latest findings within Ericsson's Research and Development units.

This month's article is about 5G and New Radio (NR). To meet the complex requirements of use cases that include everything from robotic surgery to virtual reality classrooms and self-driving cars, 5G will encompass both an evolution of today’s 4G (LTE) networks and NR - a new, globally standardized radio access technology. The article provides an overview of the 5G physical layer and its design principles, showing how the flexible and energy-efficient design of 5G NR will enable diverse uses cases in a wide range of frequencies with various deployment options.

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Figure 1: 5G vision: use cases, spectrum and deployments

Designing for the future: the 5G NR physical layer

July 24, 2017

More than a simple evolution of today’s 4G (LTE) networks, 5G will also include a new, globally standardized radio access technology known as New Radio (NR). 5G NR is well suited to meet the complex and sometimes contradictory requirements within the areas of enhanced mobile broadband, massive machine-type communications and ultra-reliable low-latency communications. All the 5G NR physical layer technology components are flexible, ultra-lean and forward compatible.


Figure 1:  A 60-second video with quality variations and a three-second stall in the middle

Video QoE: leveraging standards to meet rising user expectations

June 27, 2017

Video has become the dominant driver of internet traffic globally, taking up the majority of bandwidth on most networks around the world. Network congestion during popular viewing times frequently manifests itself as a degradation in video streaming quality (stalling, shifts in resolution, pixelization, changes in frame rate and so on) which frustrates and annoys viewers. To overcome this challenge, mobile network operators and media service providers urgently require solutions that can provide an accurate estimation of video QoE. Full implementation of the P.1203 standard would be a significant step in the right direction.

Figure 2: Simplified DevOps cycles

DevOps: fueling the evolution toward 5G networks

April 21, 2017

DevOps – an interactive approach to product management, development, deployment and operation – has an important role to play in helping equipment vendors and telecom operators meet 5G requirements. In light of this, Ericsson has worked closely with open source communities such as OPNFV and academic partners to define DevOps as it applies to next-generation telecom networks, identifying the specific steps of the DevOps cycle that are most relevant for 5G infrastructure. This work has resulted in the creation of a DevOps reference pipeline for a 5G business slice, as well as processes and advanced features supporting dynamically software-defined network functions and infrastructure.

CTO's editorial for latest magazine

Ulf Ewaldsson
Ulf Ewaldsson, Senior Vice President and Head of Business Area Digital Services (CTO 2012-2017)

The latest issue of Ericsson Technology Review presents a wide range of ideas and solutions that boost capacity, efficiency and security, as well as the latest technology to help you better understand the needs of your users. It also features an article by guest writer Stefan Larsson, associate professor in technology and social change at Lund University Internet Institute.

Dr. Larsson is an expert on digital socio-legal change, including issues of trust, consumption, traceability and privacy. He argues persuasively that the long-term success of the digital economy will be dependent on consistently high levels of both technological and sociological trust among users, and explains his view of what service providers must do to preserve them.

As always, I hope you find the contents of the magazine relevant and inspiring. All of the articles included in this issue are available individually on our website, through the Ericsson Technology Insights app and on SlideShare. Please feel free to share them via e-mail or social media.

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At Ericsson we use innovation to empower people, business and society. Our presentations will give you a closer glimpse into who we are and how we are working to shape the Networked Society of tomorrow, where everything that can benefit from being connected will be connected.

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