Towards Wireless Networking, Sensing, and Security in the Sub-Terahertz Regime: Design and Experiments

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The spectrum above 100 GHz offers plentiful bandwidth for ultra-high-speed communication and high-resolution sensing, thereby providing a promising foundation for realizing unprecedented capabilities in next-generation wireless networks. In this talk, I will begin by presenting emerging transceiver architecture that can enable directional sub-THz steering without traditional multi-antenna arrays. I will discuss how to exploit the key characteristics of sub-THz signals and the proposed architecture for high-resolution localization. Such sensing modalities can then be exploited to enable highly directional, high data rate links that are robust to client and environmental mobility. I will address one of the main concerns with sub-THz networking which is high power consumption by introducing the first ultra-wideband retro-directive backscatter above 100 GHz.  Finally, I will discuss new security paradigms in this regime: while the conventional wisdom suggests that physical layer security improves with narrow beams, I will explain new vulnerabilities introduced by the control plane as well as emerging low-cost smart reflecting surfaces. I will conclude the talk by illustrating fundamentally new techniques for wireless authentication and security.  

 



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  • Date: 11 Aug 2022
  • Time: 04:00 PM to 05:00 PM
  • All times are (UTC-05:00) Eastern Time (US & Canada)
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Zoom Link:

https://us02web.zoom.us/j/83674932216?pwd=Z0dvMHJZUE43Rmt4NS9MUHlaM3JQZz09

Meeting ID: 836 7493 2216
Passcode: 015238

  • Starts 31 July 2022 11:00 AM
  • Ends 11 August 2022 05:00 PM
  • All times are (UTC-05:00) Eastern Time (US & Canada)
  • No Admission Charge


  Speakers

Yasaman Ghasempour Yasaman Ghasempour

Biography:

Yasaman Ghasempour is an Assistant Professor in the Department of Electrical Engineering at Princeton University. Her research includes next-generation wireless networks and sensing systems. She received her Ph.D. and master’s degree in Electrical and Computer Engineering from Rice University. She received the National Science Foundation CAREER Award in 2022, the 2020 Marconi Young Scholar Award, and the ACM SIGMOBILE Dissertation Award in 2020. Yasaman is named a rising star in computer Networking and Communications in 2022 for her contributions to terahertz wireless systems. Yasaman is serving as the associate technical editor of the IEEE Communication Magazine and the editorial board of Nano Communication Networks.