Research
![[Figure: Map of Manhattan with 28 GHz measurement paths]](assets/research_page_figures/around_corner_over_top.png)
Around-Corner and Over-Top 28 GHz mmWave Urban Propagation
Developed and evaluated around-corner and over-the-top models for 28 GHz urban scenarios in Manhattan (MobiHoc '22, Infocom '25).
![[Figure: Figure of mobile PAAM and SDR in a portable yellow box.]](assets/research_page_figures/mobile_paam.png)
Mobile 28 GHz Phased Array Antenna Modules
Enables outdoor 5G mmWave experimentation with software-defined radio (MobiCom '24).
![[Figure: Diagram of passive mmWave sensing system for indoor tracking]](assets/research_page_figures/28ghz_indoor_backscatter.JPG)
Backscatter Localization
Designed passive mmWave sensing systems for device-free indoor tracking.
![[Figure: Setup of SDR radar testbed with Spacek mmWave transceiver]](assets/research_page_figures/sdr_radar_testbed.png)
Software-Defined Radar Testbed
Built an SDR-based radar testbed for multi-target tracking with JPDA filtering.
![[Figure: Path gain model for outdoor-to-indoor 28 GHz measurements]](assets/research_page_figures/outdoor_indoor_HMS.jpg)
Outdoor-to-Indoor 28 GHz Measurements
Large-scale O-I measurements in Manhattan, analyzing path loss and environmental effects.