4 papers
Blockchain-Enabled Dynamic Spectrum Sharing for Satellite and Terrestrial Communication Networks
Zixin Wang, Mingrui Cao, Hao Jiang +4
Dynamic spectrum sharing (DSS) between satellite and terrestrial networks has increasingly engaged the academic and industrial sectors. Nevertheless, facilitating secure, efficient…
Wideband Beamforming with RIS: A Unified Framework via Space-Frequency Transformation
Xiaowei Qian, Xiaoling Hu, Chenxi Liu +1
The spectrum shift from the sub-6G band to the high-frequency band has posed an ever-increasing demand on the paradigm shift from narrowband beamforming to wideband beamforming. De…
Rethinking the fundamental performance limits of integrated sensing and communication systems
Zhouyuan Yu, Xiaoling Hu, Chenxi Liu +1
Integrated sensing and communication (ISAC) has been recognized as a key enabler and feature of future wireless networks. In the existing works analyzing the performances of ISAC,…
Detection and Multi-Parameter Estimation for NLOS Targets: An IRS-assisted Framework
Zhouyuan Yu, Xiaoling Hu, Chenxi Liu +2
Intelligent reflecting surface (IRS) has the potential to enhance sensing performance, due to its capability of reshaping the echo signals. Different from the existing literature,…