Xu Liu Hongliang Zhang 0001 Kaigui Bian Xi Weng Lingyang Song Meta-Backscatter: A New ISAC Paradigm for Battery-Free Internet of Things. 2024 abs/2406.07077 CoRR https://doi.org/10.48550/arXiv.2406.07077 db/journals/corr/corr2406.html#abs-2406-07077