3 papers
cs.IT2026
Continuous Wavefront Design via Virtual Point Sources: A Holographic Paradigm for Near-Field XL-MIMO
Xiyuan Liu, Qingqing Wu, Rui Wang +2
Beamforming design for extremely large-scale multiple-input multiple-output (XL-MIMO) systems is challenging due to prohibitive computational complexity and complex near-field prop…
cs.IT2024
Low Time Complexity Near-Field Channel and Position Estimations
Xiyuan Liu, Qingqing Wu, Rui Wang +1
With the application of high-frequency communication and extremely large MIMO (XL-MIMO), the near-field effect has become increasingly apparent. The near-field channel estimation a…
cs.IT2023
A Near Field Low Time Complexity Beam Training Scheme Based on Spatial Orthogonal Decomposition
Xiyuan Liu, Qingqing Wu, Rui Wang +1
With the application of high-frequency communication and extremely large MIMO (XL-MIMO), the near-field effect has become increasingly apparent. The near-field beam design now requ…