Ask the Author Advanced Antenna Systems for 5G Network Deployments

By: , Posted on: April 9, 2020

We chatted with Peter von Butovitsch, one of the authors of Advanced Antenna Systems for 5G Network Deployments about changes in the field and how their book content can help engineers working in 5G deployment.

  • Can you explain why advanced antenna systems are important for 5G deployment?

Advanced antenna systems (AAS) provide increased coverage, capacity and user throughput, and are therefore an intrinsic part of 5G deployments. AAS is already being established as one of the main-stream solutions on mid-band. On mmWave bands, it is expected that all radio products will have AAS implementations. Furthermore, it is expected that AAS solutions will develop continually and become more cost-efficient over time and that the use of AAS will increase in all types of deployments.

  • What is your approach in your book Advanced Antenna Systems for 5G Network Deployments and how is that beneficial to engineers developing and deploying 5G technology and networks?

We have seen that AAS is a field that involves many different technology domains, including several academic disciplines, standardization, hardware and software solutions and network deployments and operation, and that each specific domain has developed a knowledge base and a corresponding vocabulary. The links between these domains, however, are weak and an understanding across domains is very difficult to establish.

So, we have seen a need for making a comprehensive view of the whole field of AAS and how it can be used in 5G deployments. The most important contribution of this book is that it describes all relevant areas that are necessary to build a broad understanding of how AAS works and how it performs in different environments and particularly how all these parts are connected. The book covers each topic to a significant depth and intends to bring the reader to a professional level of knowledge in each area. The descriptions are intended to provide both an intuitive view described in words and illustrations and a stricter academic description that substantiates and formalizes the intuitive picture.

  • For someone new to advanced antenna systems who want a good understanding, what suggestions do you have on how they should approach reading your book?

Someone who is new to the area and wants to learn AAS in depth will benefit from taking the time and effort to understand the background and the basic technology components, e.g. wave propagation, antenna arrays and the OFDM MIMO channel. This will enable a deeper understanding of the core content, e.g. multi-antenna technologies and high band (mmWave) technologies. The latter chapters can then be read selectively with respect to interest, for example 3GPP solutions, architecture and implementation. Those who are more interested in an overview of the background and do not want to delve into too much algebra may limit the reading to the introduction and the summary of chapter 3-5 to be able to move to their topics of their interests.

  • For the engineer who has some knowledge of the area and wanting to deploy the technology, what is the best way to approach reading your book?

The readers who has some knowledge of the basic technology components can browse chapters 3-5 and focus on what is new and interesting to them, e.g. multi-antenna technologies, 3GPP support for AAS, radio requirements, architecture and implementation or network performance. They can upon need look back into chapters 3-5 to get a deeper understanding of technology components described in these chapters and how these are connected to the later chapters.

  • The book is written by an author team. What collective experience do you bring to the book?

By using a larger team of authors, we have been able to bring together cutting edge experience and expertise from a wide area of AAS related topics and build a comprehensive picture of the whole field, ranging from wave propagation, and multi-antenna technologies to 3GPP solutions, architecture, implementation, feature- and network performance and many other areas. The main contribution of the book is to explain what factors affect the performance and use of AAS in 5G deployments and how these are connected. This, we believe, will provide very useful insights to a broader audience.

  • How do you see advanced antenna systems evolving in the future?

AAS started to evolve during 4G and has become an intrinsic part of 5G. Further performance improvements are being developed in later releases of 5G and the AAS development is expected to continue on to 6G where AAS will likely be considered in all types of solutions on essentially all frequency bands and sites, including an expected evolution towards the terahertz frequency range.

AAS will evolve in many ways, including new usage scenarios, improved cost efficiency and energy efficiency. There are several foreseeable ways to do this. Improved building practice and deployment architecture are interesting areas to explore, in particular multi-site coordination in combination with multi-antenna techniques.

 

About the book

  • Explains how AAS features impact network performance and how AAS can be effectively used in a 5G network, based on either NR and/or LTE
  • Shows what AAS configurations and features to use in different network deployment scenarios, focusing on MBB, but also including fixed wireless access
  • Presents the latest developments in multi-antenna technologies, including Beamforming, MIMO and cell shaping, along with the potential of different technologies in a commercial network context
  • Provides a deep understanding of the differences between mid-band and mmWave solutions

 

Advanced Antenna Systems for 5G Network Deployments is available to order now via Elsevier, enter code STC320 at the checkout to save up to 30%

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