#cell-free networks

topiccell-free networks

2 papers · 1 filter

eess.SP2026

Joint Channel Estimation and Data Detection for Multi-LEO-Satellite Cell-Free OTFS Uplinks

Gangle Sun, Tianhao Liu, Jun Tian +6

The paper proposes a low‑complexity hierarchical receiver that jointly estimates channels and detects data for uplink OTFS transmissions in cell‑free networks of multiple LEO satel…

cs.IT2026

Superimposed Transmission for Cooperative Cellular and Cell-Free Massive MIMO Systems

Wei Jiang, Hans D. Schotten

The paper introduces a superimposed transmission method for cooperative cellular and cell‑free massive MIMO systems, where near users receive an extra data symbol that is decoded u…