23 citations · 25 across the 14 of their papers we have counts for
14 papers
Low-Complexity Tone Injection via Candidate Ranking for PAPR Reduction in OFDM and AFDM Systems
Yupeng Zheng, Ang Li, Jinfei Wang +2
Tone injection (TI) is a promising distortionless PAPR reduction technique that incurs no spectral efficiency loss. However, state-of-the-art TI schemes based on random candidate g…
Region-Based Constellation Designs for Constructive Interference Precoding in MU-MIMO
Yupeng Zheng, Chunmei Xu, Jinfei Wang +2
The performance of constructive interference precoding (CIP) for multi-user multi-antenna (MU-MIMO) systems is governed by the structure of the constructive interference (CI) regio…
Block-Weighted Lasso for Joint Optimization of Memory Depth and Kernels in Wideband DPD
Jinfei Wang, Yi Ma, Fei Tong +1
The optimizations of both memory depth and kernel functions are critical for wideband digital pre-distortion (DPD). However, the memory depth is usually determined via exhaustive s…
Exploiting Non-uniform Quantization for Enhanced ILC in Wideband Digital Pre-distortion
Jinfei Wang, Yi Ma, Fei Tong +1
In this paper, it is identified that lowering the reference level at the vector signal analyzer can significantly improve the performance of iterative learning control (ILC). We pr…
Accelerating Iteratively Linear Detectors in Multi-User (ELAA-)MIMO Systems with UW-SVD
Jiuyu Liu, Yi Ma, Jinfei Wang +1
Current iterative multiple-input multiple-output (MIMO) detectors suffer from slow convergence when the wireless channel is ill-conditioned. The ill-conditioning is mainly caused b…
Symmetric Rank- Regularization for Iterative Inversion of Ill-Conditioned MIMO Channels
Jinfei Wang, Yi Ma, Rahim Tafazolli
While iterative matrix inversion methods excel in computational efficiency, memory optimization, and support for parallel and distributed computing when managing large matrices, th…
On Chernoff Lower-Bound of Outage Threshold for Non-Central -Distributed Beamforming Gain in URLLC Systems
Jinfei Wang, Yi Ma, Rahim Tafazolli +1
The cumulative distribution function (CDF) of a non-central -distributed random variable (RV) is often used when measuring the outage probability of communication systems. For…
On Chernoff Lower-Bound of Outage Threshold for Non-Central -Distributed MIMO Beamforming Gain
Jinfei Wang, Yi Ma, Rahim Tafazolli
The cumulative distribution function (CDF) of a non-central -distributed random variable (RV) is often used when measuring the outage probability of communication systems. For…
Sherman-Morrison Regularization for ELAA Iterative Linear Precoding
Jinfei Wang, Yi Ma, Na Yi +1
The design of iterative linear precoding is recently challenged by extremely large aperture array (ELAA) systems, where conventional preconditioning techniques could hardly improve…
Constellation-Oriented Perturbation for Scalable-Complexity MIMO Nonlinear Precoding
Jinfei Wang, Yi Ma, Na Yi +2
In this paper, a novel nonlinear precoding (NLP) technique, namely constellation-oriented perturbation (COP), is proposed to tackle the scalability problem inherent in conventional…
Power Allocation for FDMA-URLLC Downlink with Random Channel Assignment
Jinfei Wang, Yi Ma, Na Yi +1
Concerning ultra-reliable low-latency communication (URLLC) for the downlink operating in the frequency-division multiple-access with random channel assignment, a lightweight power…
Network-ELAA Beamforming and Coverage Analysis for eMBB/URLLC in Spatially Non-Stationary Rician Channels
Jinfei Wang, Yi Ma, Na Yi +2
In vehicle-to-infrastructure (V2I) networks, a cluster of multi-antenna access points (APs) can collaboratively conduct transmitter beamforming to provide data services (e.g., eMBB…
Massive-MIMO MF Beamforming with or without Grouped STBC for Ultra-Reliable Single-Shot Transmission Using Aged CSIT
Jinfei Wang, Yi Ma, Na Yi +2
The technology of using massive transmit-antennas to enable ultra-reliable single-shot transmission (URSST) is challenged by the transmitter-side channel knowledge (i.e., CSIT) imp…
A Non-Stationary Channel Model with Correlated NLoS/LoS States for ELAA-mMIMO
Jiuyu Liu, Yi Ma, Jinfei Wang +4
In this paper, a novel spatially non-stationary channel model is proposed for link-level computer simulations of massive multiple-input multiple-output (mMIMO) with extremely large…