Author

Giuseppe Caire

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Preprint Sep 2026

Joint Random Access and Localization in Cell-Free User-Centric Networks with Frequency-Selective Fading Channels

We study random access (RACH) schemes for cell-free (CF) user-centric networks to handle many geographically distributed users with sporadic traffic and intermittent activity. The RACH must allow the system to: 1) detect preambles sent by the (yet unknown) random access users in the RACH slot; 2) localize them for fast...

Simon Tarboush, Eleni Gkiouzepi, Giuseppe Caire · 0 citations

Preprint Sep 2026

Random Access and Localization in Cell-Free User-Centric Networks with Multipath Channels

In a wireless network, the initial/random access mechanism (RACH) allows idle/new users to join the network and (possibly) request allocated transmission resources for subsequent traffic. Building on our own previous work, for cell-free user-centric networks, we consider location-dependent random access codebooks such...

Simon Tarboush, Eleni Gkiouzepi, Giuseppe Caire · 1 citation

Preprint Sep 2026

SemISAC: Semantic Integrated Sensing and Communications

Conventional integrated sensing and communications (ISAC) systems primarily integrate communications and sensing through shared physical resources, without explicitly exploiting task-relevant semantic information. To move beyond such physical-level integration, we propose semantic ISAC (SemISAC), a general framework th...

Xiao-Qi Zhang, J. A. Zhang, Zhong-Qin Wang et al. · 0 citations