3 papers
cs.IT2026
Do Ambient Backscatter Communication Receivers Require Low-Noise Amplifiers?
Xinyi Wang, Yuxin Li, Yinghui Ye +2
In ambient backscatter communication (AmBC), strong direct interference from the ambient source poses a major challenge to reliable symbol detection. Although previous studies have…
cs.IT2025
RIS- and Multi-Snapshot-Enabled SISO 3D Position and Velocity Estimation With Single Base Station
Yirun Wang, Yongqing Wang, Yuyao Shen +2
Reconfigurable intelligent surface (RIS) panels can act as cost-effective anchors for radio localization, complementing conventional base station (BS) anchors. This paper investiga…
cs.IT2025
Structured Tensor Decomposition Based Channel Estimation and Double Refinements for Active RIS Empowered Broadband Systems
Yirun Wang, Yongqing Wang, Yuyao Shen +2
Channel parameter recovery is critical for the next-generation reconfigurable intelligent surface (RIS)-empowered communications and sensing. Tensor-based mechanisms are particular…