49 citations · 57 across the 6 of their papers we have counts for
7 papers
Movable Antenna Optimization for Multi-User MIMO Systems in Realistic Ray-Traced Propagation Environments
Xiaoyi Zhang, Amna Irshad, Emil Björnson
To meet the growing data traffic demand in future wireless systems, novel transmission architectures capable of adapting to complex propagation environments are required. Movable a…
Discovery of unobservable parameters via physical embedding
Le Cheng, Xiaoran Liu, Lingjin Kong +7
Recovering a source signal from indirect measurements often requires estimating latent parameters, such as wireless channel states or MRI coil sensitivities, that cannot be directl…
A Low Complexity Learning-based Channel Estimation for OFDM Systems with Online Training
Kai Mei, Jun Liu, Xiaoying Zhang +3
In this paper, we devise a highly efficient machine learning-based channel estimation for orthogonal frequency division multiplexing (OFDM) systems, in which the training of the es…
Enhanced LMMSE Estimation Capable of Selecting Parameters
Kai Mei, Jun Liu, Xiaoran Liu +3
In the linear minimum mean square error (LMMSE) estimation for orthogonal frequency division multiplexing (OFDM) systems, the problem about the determination of the algorithm's par…
Peak-to-Average Power Ratio Analysis for OFDM-Based Mixed-Numerology Transmissions
Xiaoran Liu, Lei Zhang, Jun Xiong +3
In this paper, the probability distribution of the peak to average power ratio (PAPR) is analyzed for the mixed numerologies transmission based on orthogonal frequency division mul…
PAPR Reduction Using Iterative Clipping/Filtering and ADMM Approaches for OFDM-Based Mixed-Numerology Systems
Xiaoran Liu, Xiaoying Zhang, Lei Zhang +4
Mixed-numerology transmission is proposed to support a variety of communication scenarios with diverse requirements. However, as the orthogonal frequency division multiplexing (OFD…
High-precision timing and frequency synchronization method for MIMO-OFDM systems in double-selective channels
Jun Liu, Kai Mei, Xiaochen Zhang +3
In this letter, a novel synchronization method for MIMO-OFDM systems is proposed. The new approach has an accurate estimate of both symbol timing and large frequency offest. Simula…