Figure 2. Proposed vector-summing backscattering (IMAGE) Tokyo Institute of Technology Caption The vector-summing backscatter up-converts 4GHz I/Q signal and transmits at 28GHz. Credit 2021 Symposia on VLSI Technology and Circuits Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.