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04/14/2023
Hierarchically Structured Matrix Recovery-Based Channel Estimation for RIS-Aided Communications
Reconfigurable intelligent surface (RIS) has emerged as a promising tech...
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04/10/2023
Matrix Factorization Based Blind Bayesian Receiver for Grant-Free Random Access in mmWave MIMO mMTC
Grant-free random access is promising for massive connectivity with spor...
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12/27/2022
Hybrid Message Passing Algorithm for Downlink FDD Massive MIMO-OFDM Channel Estimation
The design of message passing algorithms on factor graphs has been prove...
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12/31/2021
Efficient Channel Estimation for RIS-Aided MIMO Communications with Unitary Approximate Message Passing
Reconfigurable intelligent surface (RIS) is very promising for wireless ...
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12/14/2021
Grant Free MIMO-NOMA with Differential Modulation for Machine Type Communications
This paper considers a challenging scenario of machine type communicatio...
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11/30/2020
Message Passing Based Structured Sparse Signal Recovery for Estimation of OTFS Channels with Fractional Doppler Shifts
The orthogonal time frequency space (OTFS) modulation has emerged as a p...
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08/15/2020
Iterative Detection for Orthogonal Time Frequency Space Modulation Using Approximate Message Passing with Unitary Transformation
The orthogonal time frequency space (OTFS) modulation has emerged as a p...
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07/06/2018
Joint Channel-Estimation/Decoding with Frequency-Selective Channels and Few-Bit ADCs
We propose a fast and near-optimal approach to joint channel-estimation,...
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02/01/2018
Energy Harvesting Fairness in AN-aided Secure MU-MIMO SWIPT Systems with Cooperative Jammer
In this paper, we study a multi-user multiple-input-multiple-output secr...
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02/01/2018