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Ulf Ewaldsson
Ulf Ewaldsson, Senior Vice President, Group CTO and Head of Group Function Technology

CTO's comments about the latest article

Microwave backhaul technology continues to impress, repeatedly exceeding capacity limits and reaching performance levels only believed possible for fiber solutions. It plays a significant role in providing reliable mobile network performance and is well prepared to support both the evolution of LTE and the introduction of 5G. Efforts are now underway to enable microwave backhaul beyond 100GHz, capitalizing on the rapid evolution of high-frequency semiconductor technologies that support devices operating beyond 100GHz.

The latest Ericsson Technology Review article explains the concept of microwave backhaul beyond 100GHz. It charts the course toward 100Gbps transport solutions and presents a working prototype of a D band transceiver module that Ericsson Research has developed together with researchers at Chalmers University of Technology in Gothenburg, Sweden.

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Microwave backhaul evolution – reaching beyond 100GHz

Microwave backhaul evolution – reaching beyond 100GHz

No matter how efficiently we use it, existing spectrum will not be sufficient to meet future requirements on network performance. Both radio access and backhaul will need more spectrum in the mid to long term. In light of this, work has started on the use of frequencies beyond 100GHz, enabled largely by advances in high-frequency semiconductor technology. When the large-scale deployment of beyond 100GHz solutions occurs – in the period 2025 to 2030 – our research suggests that the W and D bands will be able to support capacities in the 5 to 100Gbps range, over distances up to a few kilometers.

Sustaining legitimacy and trust in a data-driven society

Sustaining legitimacy and trust in a data-driven society


The success of the data-driven society lies in our ability to maintain high levels of trust in digital services. Ericsson Technology Review brings guest author Dr. Stefan Larsson from Lund University Internet Institute to lay out the “soft values” that underpin the digital economy, and explain the importance of addressing normative and ethical considerations when managing human-centric data.

Evolving LTE to fit the 5G future

Evolving LTE to fit the 5G future


Operators have no reason to be concerned about the future of LTE in a 5G world – its upcoming releases (Rel-14 and Rel-15) are intended to deliver on the most important 5G requirements. They will include enhancements to user data rates and system capacity with FD-MIMO, improved support for unlicensed operations, and latency reduction in both control and user planes. LTE will also be modified to address new use cases such as massive machine type communication, critical communications and intelligent transport systems. Both LTE Rel-14 (scheduled for completion in March 2017) and the strong ambitions for LTE Rel-15 indicate that a smooth transition from LTE to 5G through 5G plug-ins is the best course of action for operators who have already made significant investments in LTE.

CTO's editorial for latest magazine

Ulf Ewaldsson
Ulf Ewaldsson, Senior Vice President, Group CTO and Head of Group Function Technology

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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