Issue link: https://resources.system-analysis.cadence.com/i/1355134
VTT and Cadence Cadence is a pivotal leader in electronic design and computational expertise, using its Intelligent System Design strategy to turn design concepts into reality. Cadence customers are the world's most creative and innovative companies, delivering extraordinary electronic products from chips to boards to systems for the most dynamic market applications. www.cadence.com © 2021 Cadence Design Systems, Inc. All rights reserved worldwide. Cadence, the Cadence logo, and the other Cadence marks found at www.cadence.com/go/trademarks are trademarks or registered trademarks of Cadence Design Systems, Inc. All other trademarks are the property of their respective owners. 15584 02/21 DB/SA/SS-V-VTT/PDF The passive structures were electrically large (propor- tionate to the wavelength) and therefore required EM analysis and optimization using the AWR AXIEM analysis. The EM components were embedded as subcircuits in the schematic for co-simulation with AWR Microwave Office software. By including EM analysis of these structures in combination with the PDK models, the measured versus simulation results for the chip-level amplifier displayed excellent agreement, as shown in Figure 4. Figure 4: PA simulation and measurement results for gain and return loss Accurate phase measurement is useful in measuring very small movements of a target, for example, in determining the heartbeat and breathing rate of a human from the displacement of the chest. The results of the radar-based multi-person heart rate variability (HRV) extraction is shown in Figure 5. Vital signs such as heart rate, HRV, and breathing can be observed from the radar signal. Figure 5: Results of multi-person HR and HRV extraction Summary VTT designers successfully designed a novel 60GHz MIMO FMCW FDM radar system using AWR software, which enabled them to develop the unique architecture and integrated circuits in such a way that the system can be scaled to much larger radar systems while still maintaining phase coherence between channels. Both 2D and 3D imaging systems were developed, and, to the best of the authors' knowledge, this is the first 3D imaging mmWave FDM MIMO radar system of its kind. AWR VSS software provided the system designers with an overall big picture and the chip designers with the simulation and design support that enabled them to focus on the complexities of implementing the mmWave RFICs. AWR software helped us overcome the challenge of our radar system design quite well. To the best of our knowledge, this is the first 3D imaging mmWave frequency-division MIMO system of its kind." Dr. Tero Kiuru, VTT Register to view the "mmWave MIMO Radar System Design" webinar at www.awr.com/resource-library/mmwave-mimo- radar-system-design.