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cs.IT2023
Input-Output Relation and Low-Complexity Receiver Design for CP-OTFS Systems with Doppler Squint
Xuehan Wang, Xu Shi, Jintao Wang +1
In orthogonal time frequency space (OTFS) systems, the impact of frequency-dependent Doppler which is referred to as the Doppler squint effect (DSE) is accumulated through longer d…
cs.IT2023★ 1 cited
On the Doppler Squint Effect in OTFS Systems over Doubly-Dispersive Channels: Modeling and Evaluation
Xuehan Wang, Xu Shi, Jintao Wang +1
Extensive work has demonstrated the excellent performance of orthogonal time frequency space (OTFS) modulation in high-mobility scenarios. Time-variant wideband channel estimation…
cs.IT2023
Chirp-based Hierarchical Beam Training for Extremely Large-Scale Massive MIMO
Xu Shi, Jintao Wang, Zhi Sun +1
XL-MIMO promises to provide ultrahigh data rates in Terahertz (THz) spectrum. However, the spherical-wavefront wireless transmission caused by large aperture array presents huge ch…