Extremely large-scale multiple-input-multiple-output (XL-MIMO) is promising to meet the
high rate requirements for future 6G. To realize efficient precoding, accurate channel state …

Accurate channel model and channel estimation are essential to empower extremely large-
scale MIMO (XL-MIMO) in 6G networks with ultra-high spectral efficiency. With the sharp …

Extremely large-scale massive MIMO (XL-MIMO) has been reviewed as a promising
technology for future wireless communications. The deployment of XL-MIMO, especially at …

Hybrid-field channel estimation for extremely large-scale massive MIMO (XL-MIMO) system
is discussed in this letter. By exploiting the structural characteristics of far-field path …

Massive multiple-input multiple-output is a promising physical layer technology for 5G
wireless communications due to its capability of high spectrum and energy efficiency, high …

Extremely large-scale massive MIMO (XL-MIMO) is a promising technique for future 6G
communications. However, existing far-field or near-field channel model mismatches the …

Orthogonal time frequency space (OTFS) modulation outperforms orthogonal frequency
division multiplexing (OFDM) in high-mobility scenarios. One challenge for OTFS massive …

The millimeter-wave (mmWave) full-dimensional (FD) MIMO system employs planar arrays
at both the base station and the user equipment and can simultaneously support both …

Extremely large-scale multiple-input multiple-output (XL-MIMO) is a promising technology for
the sixth-generation (6G) mobile communication networks. By significantly boosting the …

This paper proposes a closed-loop sparse channel estimation (CE) scheme for wideband
millimeter-wave hybrid full-dimensional multiple-input multiple-output and time division …