Prof. Dr. Corbett Rowell, Research Director Prof. Dr. Corbett Rowell is a Director of Mobile Network Testing at Rohde & Schwarz. Prior to joining Rohde & Schwarz, Corbett was an electrical engineering professor, an R&D director at China Mobile Beijing, responsible for the development of massive MIMO systems for 4.5G and 5G FR1, an R&D director at the Hong Kong Applied Science and Technology Research Institute for almost a decade, where he focused on advanced RF systems as well as an entrepreneur who founded two successful startups. At Rohde & Schwarz, he was Inventor of the Year in 2018 with over 60 granted patents in OTA, and developed four new portable CATR systems for 5G FR2. Prof. Dr. Rowell was a recipient of the IEEE Communications Fred Ellersick Award in 2018 for best paper on hybrid millimeter arrays.
Guenter Pfeifer, Product Management Günter Pfeifer is a Product Manager for OTA CATR chambers at Rohde & Schwarz headquarters in Munich, Germany. After joining Rohde & Schwarz in 1997, he spent 18 years in the field of mobile communications as a Product Manager responsible for different Rohde & Schwarz radio communications testers. He is well versed in various technologies ranging from GSM to 5G and has spent much of his time dealing with mobile broadband topics. This led to his involvement in 5G technology management before joining the OTA product management team. Günter holds a degree in electrical engineering from the University of Applied Sciences in Kempten, Germany.

Multiple Directions of Arrival Using CATR OTA Measurements

In partnership with Rohde & Schwarz

Webinar Overview

This webinar presents a novel method using multiple compact antenna test range (CATR) reflectors to perform simultaneous multiple angle measurements for 5G devices that are capable of beamforming in the mmWave frequency range. Four CATR reflectors and their respective feed antennas are arranged on a planar semi-circle arc with the device under test placed on a positioner at the center of the arc.

This arrangement is designed to generate four planar wavefronts with different incidences, realizing up to five pairs of angular spreads or four switched/simultaneous angles of arrival. The objective of this setup is to reproduce configurations involving multiple base stations radiating from different directions. The initial target application is radio resource management (RRM) testing, where the execution of mobility procedures and radio link monitoring of a 5G mmWave device are evaluated over the air.

Learn More About:

  • Basics of compact antenna test range design
  • Basics of RRM testing for 5G FR2 conformance testing
  • New multiple-angle CATR system

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