328 citations · 606 across the 18 of their papers we have counts for
5 papers · 1 filter
Energy-Efficient UAV-Enabled MEC Systems: NOMA, FDMA, or TDMA Offloading?
Qingjie Wu, Miao Cui, Guangchi Zhang +3
Unmanned aerial vehicle (UAV)-enabled mobile edge computing (MEC) systems can use different multiple access schemes to coordinate multi-user task offloading. However, it is still u…
AN-Aided Secure Beamforming for ELAA-SWIPT in Mixed Near- and Far-Field
Yaqian Yi, Guangchi Zhang, Miao Cui +2
This letter investigates secure hybrid beamforming (HB) design for an extremely large-scale antenna array-aided simultaneous wireless information and power transfer (SWIPT) system…
Near-Field Codebook-Based 3D Spherical Channel Estimation for UCA XL-MIMO Systems
Chenliang Yang, Guangchi Zhang, Miao Cui +2
Extremely large-scale multiple input multiple output (XL-MIMO), a key technology for 6G communications, faces challenges in near-field channel estimation due to spherical wavefront…
Physical-Layer Security in Mixed Near-Field and Far-Field Communication Systems
Tianyu Liu, Changsheng You, Cong Zhou +4
Extremely large-scale arrays (XL-arrays) have emerged as a promising technology to improve the spectrum efficiency and spatial resolution of future wireless systems. Different from…
Intelligent Reflecting Surface-Aided Electromagnetic Stealth over Extended Regions
Qingjie Wu, Beixiong Zheng, Guangchi Zhang +2
Compared to traditional electromagnetic stealth (ES) materials, which are effective only within specific frequencies and orientations, intelligent reflecting surface (IRS) technolo…