Author

Xiaotian Li

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Open access 2026

Channel Estimation Method for OTFS System Based on Pilot Sharing

In Orthogonal Time Frequency Space (OTFS) systems, in order to support high-speed mobility and multi-user compatibility, and to reconstruct the entire two-dimensional delay-Doppler (DD) channel response from limited observations in strong interference environments, pilot structures with extensive guard intervals are re...

Xiaotian Li, Zitian Zhao, Jiameng Pei et al. · IEEE Open Journal of the Com... · 0 citations

Review Open access Aug 2026

Associations between extreme temperature exposure and hypertensive disorders of pregnancy: A systematic review and meta-analysis.

BACKGROUND Evidence linking extreme temperature exposure to hypertensive disorders of pregnancy (HDP) remains inconsistent, with limited synthesis on exposure timing and climatic vulnerability. OBJECTIVE To quantify associations of extreme heat, cold, and season-related exposures with HDP, preeclampsia (PE), and gest...

Yue-Tong Zheng, Yi-Nan Wang, Yawei Zhu et al. · Ecotoxicology and Environmen... · 0 citations