3 papers
cs.IT2026
A Unified Dual Framework for Sparse-Array Near-Field Beam Focusing With Spatial Interference Suppression
Changhao He, Xiaojuan Zhang, Francois Chin Po Shin
We study sparse-array near-field beam focusing with spatial interference suppression, a problem arising in coherent satellite formations and other distributed non-terrestrial array…
cs.IT2025
OTFS for Joint Radar and Communication: Algorithms, Prototypes, and Experiments
Xiaojuan Zhang, Yonghong Zeng, Francois Chin Po Shin
We propose an Joint Radar and Communication (JRC) system that utilizes the Orthogonal Time Frequency Space (OTFS) signals. The system features a fast radar sensing algorithm for de…
eess.SP2025
A Deep Learning based Signal Dimension Estimator with Single Snapshot Signal in Phased Array Radar Application
Yugang Ma, Yonghong Zeng, Sumei Sun +3
Signal dimension, defined here as the number of copies with different delays or angular shifts, is a prerequisite for many high-resolution delay estimation and direction-finding al…