Orthogonal frequency division multiplexing (OFDM) is a key waveform for integrated sensing and communication (ISAC) systems due to its high spectral efficiency and inherent compatibility with modern wireless standards. However, its fundamental estimation-theoretic sensing performance under random data modulation remain...
Kawon Han, Kai-Tao Meng, Alexandra Chatzicharistou et al.· 2 citations· ⚡1
Fluid antenna systems (FASs) exploit many candidate ports for spatial diversity, but hardware constraints allow channel observations at only a few active ports. Whether full-port CSI can be recovered without pre-acquired channel statistics remains open. Under the Clarke isotropic scattering model, we show that the chan...
Zhen-Tian Zhang, Kai-Tao Meng, Tuo Wu et al.· 0 citations
This paper analytically derive the optimal time and frequency aperture distributions for sensing, defined as the variances of the allocated symbol and subcarrier indices, respectively, under both two-transmitter and multi-transmitter scenarios and forms the resource allocation as a combinatorial integer partitioning pr...
Xiao-Yang Wang, Luting Kong, Lei Cao et al.· 0 citations
A modulation- and receive-filter-aware framework for the sensing-interference management in multi-cell OFDM-ISAC systems is developed and closed-form signal-to-interference-plus-noise ratio (SINR) expressions for each range--Doppler bin under matched filtering (MF) and reciprocal filtering (RF).
Kaitao Meng, Kawon Han, C. Masouros et al.· 0 citations
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