Session35_Low Power Wireless Transceivers for Localization and Communications.pdf

1、ISSCC 2026SESSION 35 Low Power Wireless Transceivers for Localizationand Communications35.1:CANCEL:A Cancellation-Aided Ambient IoT Nanopowered Communication System for Energy-Limited Tags 2026 IEEE International Solid-State Circuits Conference1 of 49CANCEL:A Cancellation-Aided Ambient IoT Nanopower

2、ed Communication System for Energy-Limited TagsHany Abolmagd1,2,Shih-Kai Kuo3,Md Nazmul Hasan1,SreevatsankKadaveru3,Aboozar Ghorbani Nejad1,Manideep Dunna3,Ata Khorami1,Yichen Yu3,Dinesh Bharadia3,Patrick Mercier3,Sudip Shekhar11University of British Columbia,Vancouver,BC,Canada2Now with Nokia Inc.,

3、Ottawa,Canada3University of California,San Diego,CA35.1:CANCEL:A Cancellation-Aided Ambient IoT Nanopowered Communication System for Energy-Limited Tags 2026 IEEE International Solid-State Circuits Conference2 of 49Outline Motivation Access Point(AP):Antenna pair+RFIC Tag:Backscatter IC AP-Tag Syste

4、m Conclusions35.1:CANCEL:A Cancellation-Aided Ambient IoT Nanopowered Communication System for Energy-Limited Tags 2026 IEEE International Solid-State Circuits Conference3 of 49Trillion Devices:How to Power&Connect?35.1:CANCEL:A Cancellation-Aided Ambient IoT Nanopowered Communication System for Ene

5、rgy-Limited Tags 2026 IEEE International Solid-State Circuits Conference4 of 49Ambient IoT:Reuse Infrastructure to connect/sensePower consumption of the battery-less tag is limited to 60dB of isolation across 25MHz(2.475-2.5GHz)72 mm146 mmFrequency(GHz)S parameters Mag.(dB)0-10-20-30-40-50-60-70-802

6、.352.402.452.502.55S11S22S12S21Measured S-parametersAntenna Photo60dB35.1:CANCEL:A Cancellation-Aided Ambient IoT Nanopowered Communication System for Energy-Limited Tags 2026 IEEE International Solid-State Circuits Conference18 of 49Outline Motivation Access Point(AP):Full-Duplex(FD)AntennaRF Self-