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cs.IT2026
Pinching-Antenna Enabled Multicell Wireless Systems
Yunshu Chen, Qing Xue, Meng Hua +2
Pinching antenna (PA) systems have recently emerged as a promising flexible-antenna technology, which can reconstruct the wireless propagation environment by dynamically adjusting…
cs.IT2026
Delay-Doppler Domain Channel Estimation: What if Sparsity is Unknown?
Zijian Yang, Yulin Shao, Fen Hou +1
Sparsity in the delay-Doppler (DD) domain enables efficient channel estimation, but the realization-wise sparsity level is rarely known in advance, and it fluctuates. What if we co…
cs.IT2026
Multi-Mode Pinching-Antenna Systems: Polarization-Aware Full-Wave Modeling and Optimization
Dengke Wei, Runxin Zhang, Yulin Shao +2
Millimeter-wave and terahertz communications face a fundamental challenge: overcoming severe path loss without sacrificing spectral efficiency. Pinching antenna systems (PASS) addr…