activity
20242026
most citedFast Signal Interpolation Through Zero-padding and FFT/IFFT

3 citations · 3 across the 4 of their papers we have counts for

collaborators

6 papers

cs.NI2026

Sensing in Low-altitude Wireless Networks: Systems, Techniques, and Developments

Zihao Tao, Yiming Zhao, Hongtao Zhao +2

The highly dynamic and safety-critical characteristics of low-altitude airspace render sensing an indispensable component of low-altitude wireless networks (LAWN). Although sensing…

eess.SP2026

Optimal Pilot Pattern Design for LMMSE Channel Estimation in OFDM Systems with Finite Block Size over Doubly Dispersive Channels

Xuyao Yu, Zijun Gong, Zhilu Lai

Pilot pattern design over doubly dispersive channels has regained significant research interest, driven by emerging high-mobility applications in 5G-Advanced and 6G systems, as wel…

eess.SP2025

Characterizing ISCI in Multi-carrier ISAC Systems over Doubly Dispersive Channel: Joint Sensing and Communication Performance Analysis

Xuyao Yu, Zijun Gong, Zhilu Lai

This paper presents a systematic analysis of inter-symbol and inter-carrier interference (ISCI) modeling in doubly dispersive channels for integrated sensing and communication (ISA…

eess.SP2025

LMMSE-Optimal Pilot Pattern Design Based on Covariance Matrix Approximation for OFDM Channel Estimation in Doubly Dispersive Channel

Xuyao Yu, Zijun Gong, Zhilu Lai

This paper investigates the optimal pilot pattern design, in the linear minimum mean square error (LMMSE) estimator sense, for OFDM systems in doubly dispersive channels. To enable…

eess.SY2025

Low-Cost Infrastructure-Free 3D Relative Localization with Sub-Meter Accuracy in Near Field

Qiangsheng Gao, Ka Ho Cheng, Li Qiu +1

Relative localization in the near-field scenario is critically important for unmanned vehicle (UxV) applications. Although related works addressing 2D relative localization problem…

eess.SP20243 cited

Fast Signal Interpolation Through Zero-padding and FFT/IFFT

Zijun Gong

Based on the sampling theorem, interpolation should be conducted by employing the sinc functions as the kernels. Inspired by the fact that the discrete Fourier transform (DFT) is s…