6 papers
Bayesian Cramér-Rao Bound for Sensing Performance in Meta-Backscatter Systems
Mengyuan Cao, Xu Liu, Hongliang Zhang
Meta-backscatter system that utilizes meta-material sensors is a promising enabler for future environmental sensing, offering distinct advantages such as low cost, zero-power consu…
Meta-Backscatter: Long-Distance Battery-Free Metamaterial-Backscatter Sensing and Communication
Taorui Liu, Xu Liu, Zhiquan Xu +3
Battery-free Internet of Things (BF-IoT) enabled by backscatter communication is a rapidly evolving technology offering advantages of low cost, ultra-low power consumption, and rob…
Hybrid Near-field and Far-field Localization with Holographic MIMO
Mengyuan Cao, Haobo Zhang, Yonina C. Eldar +1
Due to its ability to precisely control wireless beams, holographic multiple-input multiple-output (HMIMO) is expected to be a promising solution to achieve high-accuracy localizat…
Meta-Backscatter: A New ISAC Paradigm for Battery-Free Internet of Things
Xu Liu, Hongliang Zhang, Kaigui Bian +2
The meta-material sensor has been regarded as a next-generation sensing technology for the battery-free Internet of Things (IoT) due to its battery-free characteristic and improved…
RIS-based IMT-2030 Testbed for MmWave Multi-stream Ultra-massive MIMO Communications
Shuhao Zeng, Boya Di, Hongliang Zhang +13
As one enabling technique of the future sixth generation (6G) network, ultra-massive multiple-input-multiple-output (MIMO) can support high-speed data transmissions and cell covera…
Deployment Optimization for Meta-material Based Internet of Things
Xu Liu, Jingzhi Hu, Hongliang Zhang +2
In this paper, we propose a Meta-IoT system to achieve ubiquitous deployment and pervasive sensing for future Internet of Things (IoT). In such a system, sensors are composed of de…