Author

Mingjun Ying

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Preprint Sep 2026

Map-Free Single-Anchor Position Localization Using Multipath Uncertainty at Upper Mid-Band

Future 5G-Advanced and 6G systems will exploit directional wideband channels for path-based localization, yet map-free indoor positioning remains challenging because extracted multipath components (MPCs) vary widely in localization reliability. This paper presents an uncertainty-aware map-free single-anchor localizatio...

Xing-Chen Liu, Ming-Jun Ying, Xin-Quan Wang et al. · 0 citations

Preprint Sep 2026

Sum Secrecy Rate Maximization for Secure ISAC

An optimization framework is formulated to maximize the sum secrecy rate for both DL and UL, considering power budget constraints for sensing and communications, and an iterative joint Taylor-block cyclic coordinate descent (IJTB) method is introduced to approximate it as a convex problem.

Aleksandar Boljevi'c, Ming-Jun Ying, Ahmad Bazzi et al. · 0 citations

Preprint Sep 2026

SPARC: Sparse Path-Aware Residual Calibrator for Wireless Ray Tracing at Upper Mid-Band

Accurate site-specific ray tracing (RT) is essential for upper mid-band network planning, yet raw RT can produce per-path multipath component (MPC) power errors on the order of 19--24~dB in cluttered indoor environments. A fixed-geometry material-sensitivity bound shows that a 30% relative-permittivity perturbation cha...

Mingjun Ying, Guan-Yue Qian, Xin-Quan Wang et al. · 0 citations