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cs.IT2024
DNN based Two-stage Compensation Algorithm for THz Hybrid Beamforming with imperfect Hardware
Wenqi Zhao, Chong Han, Ho-Jin Song +1
Terahertz (THz) communication is envisioned as a key technology for 6G and beyond wireless systems owing to its multi-GHz bandwidth. To maintain the same aperture area and the same…
cs.IT2024
Hybrid Beamforming with Widely-spaced-array for Multi-user Cross-Near-and-Far-Field Communications
Heyin Shen, Yuhang Chen, Chong Han +1
With multi-GHz bandwidth, Terahertz (THz) beamforming has drawn increasing attention in the sixth generation (6G) and beyond communications. Existing beamforming designs mainly foc…
cs.IT2024
Can Far-field Beam Training Be Deployed for Cross-field Beam Alignment in Terahertz UM-MIMO Communications?
Yuhang Chen, Chong Han, Emil Björnson
Ultra-massive multiple-input multiple-output (UM-MIMO) is the enabler of Terahertz (THz) communications in next-generation wireless networks. In THz UM-MIMO systems, a new paradigm…