125 citations · 191 across the 4 of their papers we have counts for
4 papers
Deterministic Pilot Design and Channel Estimation for Downlink Massive MIMO-OTFS Systems in Presence of the Fractional Doppler
Ding Shi, Wenjin Wang, Li You +4
Although the combination of the orthogonal time frequency space (OTFS) modulation and the massive multiple-input multiple-output (MIMO) technology can make communication systems pe…
Network Massive MIMO Transmission Over Millimeter-Wave and Terahertz Bands: Mobility Enhancement and Blockage Mitigation
Li You, Xu Chen, Xiaohang Song +4
Mobility and blockage are two critical challenges in wireless transmission over millimeter-wave (mmWave) and Terahertz (THz) bands. In this paper, we investigate network massive mu…
Unifying Message Passing Algorithms Under the Framework of Constrained Bethe Free Energy Minimization
Dan Zhang, Xiaohang Song, Wenjin Wang +2
Variational message passing (VMP), belief propagation (BP) and expectation propagation (EP) have found their wide applications in complex statistical signal processing problems. In…
Two-Level Spatial Multiplexing using Hybrid Beamforming Antenna Arrays for mmWave Communications
Xiaohang Song, Nithin Babu, Wolfgang Rave +2
In this work, we consider a two-level hierarchical MIMO antenna array system, where each antenna of the upper level is made up of a subarray on the lower one. The concept of spatia…