4 papers
Intelligent Metasurface-Enabled Integrated Sensing and Communication: Unified Framework and Key Technologies
Shunyu Li, Tianqi Mao, Guangyao Liu +6
As the demand for ubiquitous connectivity and high-precision environmental awareness grows, integrated sensing and communication (ISAC) has emerged as a key technology for sixth-ge…
NEFT: A Unified Transformer Framework for Efficient Near-Field CSI Feedback in XL-MIMO Systems
Tianqi Mao, Haiyang Li, Shufeng Tan +8
Extremely large-scale multiple-input multiple-output (XL-MIMO) systems, operating in the near-field region due to their massive antenna arrays, are key enablers of next-generation…
Multiple-Mode Affine Frequency Division Multiplexing with Index Modulation
Guangyao Liu, Tianqi Mao, Yanqun Tang +2
Affine frequency division multiplexing (AFDM), a promising multicarrier technique utilizing chirp signals, has been envisioned as an effective solution for high-mobility communicat…
Pre-Chirp-Domain Index Modulation for Full-Diversity Affine Frequency Division Multiplexing towards 6G
Guangyao Liu, Tianqi Mao, Zhenyu Xiao +6
Affine frequency division multiplexing (AFDM), tailored as a superior multicarrier technique utilizing chirp signals for high-mobility communications, is envisioned as a promising…