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eBooks by Topic:
5G OTA Testing Guide
5G mmWave frequencies have required a new way of testing using over-the-air (OTA) measurements. The first article is an in-depth look at the fundamentals of 5G OTA testing, overview of key antenna measurement parameters, test methods and test setup, along with 3GPP OTA testing for UEs along with the relevant transmitter and receiver test considerations. The remaining articles discuss recent advances in 5G OTA testing ranging from test methods to new chambers and calibration methods. The first article in this group addresses significant test time reduction and equipment utilization in 5G RF production testing through strongly parallelized testing of the 3GPP specifications, improving speed by a factor of 10. The next article reviews the design of a novel multiple compact antenna test range system for multiple angles of arrival measurement of 5G mmWave devices. The virtual cable calibration method is described and demonstrated in the next article that provides a systematic approach with fast convergence to determine the precoding calibration matrix parameters. The last article discusses the future with bringing full-wave numerical modeling and antenna measurements together and presents a way to converge both worlds in an optimal cost-benefit technique moving toward augmented OTA.
Please note: By downloading this eBook, your contact information will be shared with the sponsoring company, Rohde & Schwarz GmbH & Co.KG and the Rohde & Schwarz entity or subsidiary company mentioned in the imprint of rohde-schwarz.com, and you may be contacted by them directly via email or phone for marketing or advertising purposes.
Advances in Radar and Components
Several of the articles in this eBook cover improvements due to GaN technology including a survey of GaN foundries covering the various processes in production and in development and electronically reconfigurable GaN amplifiers recently introduced by Qorvo. It also covers a giga-watt, multi-way combiner using corrugated coaxial waveguide filters and a mmWave MIMO radar configuration. The eBook also looks at how startups are revolutionizing automotive radar with new 4D sensors for ADAS and autonomy.
The Growing Importance of Timing Solutions for 5G and IoT
Timing and synchronization are critical to 5G communications and much more demanding than they were for 4G networks. 5G networks require lower latency, higher data rates, higher frequencies (in many cases) and more devices. This eBook starts off with an overview of the features in 5G Release 16, reviewing the new applications and potential in this specification. Next it looks at the role of satellites in 5G networks in covering rural and remote areas while being part of the 5G network as a whole. Then, the eBook digs into the importance of oscillators in the timing and synchronization followed by an article that covers how oscillators need to provide low jitter while minimizing power consumption and footprint for next generation optical networks.