3 papers
cs.IT2026
Spatial-Code-Domain Grouped Index Modulation: Fluid-Antenna-Assisted System Design and BER Performance Analysis
Peng Zhang, Jian Dang, Yao Ge +5
Fluid antenna systems (FASs) provide reconfigurable spatial resources within compact apertures. In this paper, we introduce code-domain grouped index modulation (CGIM) and its spat…
cs.IT2026
Code-Domain Grouped Index Modulation for Spectrally Efficient Spread-Spectrum Communications
Peng Zhang, Jian Dang, Zaichen Zhang
Efficient exploitation of spreading resources is important for improving the transmission efficiency of spread-spectrum communications. Code index modulation (CIM) conveys addition…
cs.IT2025
Artificial-Noise-Aided Secure Near-Field MIMO With Fluid Antenna Systems
Peng Zhang, Jian Dang, Miaowen Wen +5
With the evolution of mobile communication systems toward large-scale arrays, high-frequency operation, and reconfigurable antenna architectures, fluid antenna systems (FAS) operat…