Author

Chongjun Ouyang

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Preprint Aug 2026

Joint Communication and Control Beamforming: A Closed-Loop Control Perspective

A joint communication and control (JCC) framework is proposed, where a base station (BS) simultaneously serves multiple communication users (CUs) and controls a physical plant in a closed loop. In the downlink, BS-generated control inputs are transmitted to and recovered at the plant, with wireless actuation distortion...

Hao Jiang, Chong-Jun Ouyang, Yuan-Wei Liu et al. · 0 citations

Preprint Aug 2026

Frequency-Selective Pinching-Antenna Systems

An uplink pinching-antenna system (PASS) is considered, where a segmented dielectric waveguide is employed to serve multiple users and one pinching antenna (PA) is activated on each segment. Extensive waveguide deployment reduces user-to-PA path loss but also creates differential propagation delays among the PA-assiste...

Chong-Jun Ouyang, Hao Jiang, Zhi-Guo Ding et al. · 0 citations

Preprint Aug 2026

Robust Beamforming and Power Allocation for Coherent Cell-Free Massive MIMO with Residual Calibration Errors

A time-evolving RCE model is developed that characterizes the joint effects of residual phase mismatches, residual carrier frequency offsets, and oscillator phase noise, and a Gauss--Legendre quadrature-based weighted minimum mean square error (WMMSE) optimization framework is developed.

Mingjun Sun, Xi-Dong Mu, Shaochuan Wu et al. · 0 citations