516 citations · 1.7k across the 101 of their papers we have counts for
11 papers · 2 filters
FusionNet: Enhanced Beam Prediction for mmWave Communications Using Sub-6GHz Channel and A Few Pilots
Chenghong Bian, Yuwen Yang, Feifei Gao +1
In this paper, we propose a new downlink beamforming strategy for mmWave communications using uplink sub-6GHz channel information and a very few mmWave pilots. Specifically, we des…
Deep Learning Based Antenna Selection for Channel Extrapolation in FDD Massive MIMO
Yindi Yang, Shun Zhang, Feifei Gao +3
In massive multiple-input multiple-output (MIMO) systems, the large number of antennas would bring a great challenge for the acquisition of the accurate channel state information,…
Deep Learning Optimized Sparse Antenna Activation for Reconfigurable Intelligent Surface Assisted Communication
Shunbo Zhang, Shun Zhang, Feifei Gao +2
To capture the communications gain of the massive radiating elements with low power cost, the conventional reconfigurable intelligent surface (RIS) usually works in passive mode. H…
Deep Multimodal Learning: Merging Sensory Data for Massive MIMO Channel Prediction
Yuwen Yang, Feifei Gao, Chengwen Xing +2
Existing work in intelligent communications has recently made preliminary attempts to utilize multi-source sensing information (MSI) to improve the system performance. However, the…
Deep Learning based Denoise Network for CSI Feedback in FDD Massive MIMO Systems
Hongyuan Ye, Feifei Gao, Jing Qian +2
Channel state information (CSI) feedback is critical for frequency division duplex (FDD) massive multi-input multi-output (MIMO) systems. Most conventional algorithms are based on…
A Model-Driven Deep Learning Method for Massive MIMO Detection
Jieyu Liao, Junhui Zhao, Feifei Gao +1
In this paper, an efficient massive multiple-input multiple-output (MIMO) detector is proposed by employing a deep neural network (DNN). Specifically, we first unfold an existing i…
Capacity Performance of Relay Beamformings for MIMO Multi-Relay Networks with Imperfect R-D CSI at Relays
Zijian Wang, Wen Chen, Feifei Gao +1
In this paper, we consider a dual-hop Multiple Input Multiple Output (MIMO) wireless relay network in the presence of imperfect channel state information (CSI), in which a source-d…
A New Path Division Multiple Access for the Massive MIMO-OTFS Networks
Muye Li, Shun Zhang, Feifei Gao +2
This paper focuses on a new path division multiple access (PDMA) for both uplink (UL) and downlink (DL) massive multiple-input multiple-output network over a high mobility scenario…
Uplink-aided High Mobility Downlink Channel Estimation over Massive MIMO-OTFS System
Yushan Liu, Shun Zhang, Feifei Gao +2
Although it is often used in the orthogonal frequency division multiplexing (OFDM) systems, application of massive multiple-input multiple-output (MIMO) over the orthogonal time fr…
An Improved Square-root Algorithm for V-BLAST Based on Efficient Inverse Cholesky Factorization
Hufei Zhu, Wen Chen, Bin Li +1
A fast algorithm for inverse Cholesky factorization is proposed, to compute a triangular square-root of the estimation error covariance matrix for Vertical Bell Laboratories Layere…
A Fast Recursive Algorithm for G-STBC
Hufei Zhu, Wen Chen, Bin Li +1
This paper proposes a fast recursive algorithm for Group-wise Space-Time Block Code (G-STBC), which takes full advantage of the Alamouti structure in the equivalent channel matrix…