1.2k citations · 2.2k across the 30 of their papers we have counts for
23 papers · 1 filter
Precoding Matrix Indicator in the 5G NR Protocol: A Tutorial on 3GPP Beamforming Codebooks
Boyu Ning, Haifan Yin, Sixu Liu +8
This paper bridges this critical gap by providing a systematic examination of the beamforming codebook technology, i.e., precoding matrix indicator (PMI), in the 5G NR from theoret…
Partial reciprocity-based precoding matrix prediction in FDD massive MIMO with mobility
Ziao Qin, Haifan Yin
The timely precoding of frequency division duplex (FDD) massive multiple-input multiple-output (MIMO) systems is a substantial challenge in practice, especially in mobile environme…
Wavefront Transformation-based Near-field Channel Prediction for Extremely Large Antenna Array with Mobility
Weidong Li, Haifan Yin, Ziao Qin +1
This paper addresses the mobility problem in extremely large antenna array (ELAA) communication systems. In order to account for the performance loss caused by the spherical wavefr…
An EEP-based robust beamforming approach for superdirective antenna arrays and experimental validations
Mengying Gao, Haifan Yin, Liangcheng Han
A superdirective antenna array has the potential to achieve an array gain proportional to the square of the number of antennas, making it of great value for future wireless communi…
Low-complexity eigenvector prediction-based precoding matrix prediction in massive MIMO with mobility
Ziao Qin, Haifan Yin, Weidong Li
In practical massive multiple-input multiple-output (MIMO) systems, the precoding matrix is often obtained from the eigenvectors of channel matrices and is challenging to update in…
Superdirectivity-enhanced wireless communications: A multi-user perspective
Liangcheng Han, Haifan Yin
Superdirective array may achieve an array gain proportional to the square of the number of antennas . In the early studies of superdirectivity, little research has been done f…
A manifold learning-based CSI feedback framework for FDD massive MIMO
Yandi Cao, Haifan Yin, Ziao Qin +3
Massive multi-input multi-output (MIMO) in Frequency Division Duplex (FDD) mode suffers from heavy feedback overhead for Channel State Information (CSI). In this paper, a novel man…
A review of codebooks for CSI feedback in 5G new radio and beyond
Ziao Qin, Haifan Yin
Codebooks have been indispensable for wireless communication standard since the first release of the Long-Term Evolution in 2009. They offer an efficient way to acquire the channel…
A Superdirective Beamforming Approach with Impedance Coupling and Field Coupling for Compact Antenna Arrays
Liangcheng Han, Haifan Yin, Mengying Gao +1
In most multiple-input multiple-output (MIMO) communication systems, antennas are spaced at least half a wavelength apart to reduce mutual coupling. In this configuration, the maxi…
A Multi-Dimensional Matrix Pencil-Based Channel Prediction Method for Massive MIMO with Mobility
Weidong Li, Haifan Yin, Ziao Qin +2
This paper addresses the mobility problem in massive multiple-input multiple-output systems, which leads to significant performance losses in the practical deployment of the fifth…
Coupling Matrix-based Beamforming for Superdirective Antenna Arrays
Liangcheng Han, Haifan Yin, Thomas L. Marzetta
In most multiple-input multiple-output (MIMO) communication systems, e.g., Massive MIMO, the antenna spacing is generally no less than half a wavelength. It helps to reduce the mut…
A 3D Positioning-based Channel Estimation Method for RIS-aided mmWave Communications
Yaoshen Cui, Haifan Yin, Li Tan +1
A fundamental challenge in millimeter-wave (mmWave) communication is the susceptibility to blocking objects. One way to alleviate this problem is the use of reconfigurable intellig…
A Partial Reciprocity-based Channel Prediction Framework for FDD Massive MIMO with High Mobility
Ziao Qin, Haifan Yin, Yandi Cao +2
Massive multiple-input multiple-output (MIMO) is believed to deliver unrepresented spectral efficiency gains for 5G and beyond. However, a practical challenge arises during its com…
A Partial Channel Reciprocity-based Codebook for Wideband FDD Massive MIMO
Haifan Yin, David Gesbert
The acquisition of channel state information (CSI) in Frequency Division Duplex (FDD) massive MIMO has been a formidable challenge. In this paper, we address this problem with a no…
A Received Power Model for Reconfigurable Intelligent Surface and Measurement-based Validations
Zipeng Wang, Li Tan, Haifan Yin +3
The idea of using a Reconfigurable Intelligent Surface (RIS) consisting of a large array of passive scattering elements to assist wireless communication systems has recently attrac…
MmWave MIMO Communication with Semi-Passive RIS: A Low-Complexity Channel Estimation Scheme
Jiangfeng Hu, Haifan Yin, Emil Björnson
Reconfigurable intelligent surfaces (RISs) have recently received widespread attention in the field of wireless communication. An RIS can be controlled to reflect incident waves fr…
RIS-Aided Wireless Communications: Prototyping, Adaptive Beamforming, and Indoor/Outdoor Field Trials
Xilong Pei, Haifan Yin, Li Tan +5
The prospects of using a Reconfigurable Intelligent Surface (RIS) to aid wireless communication systems have recently received much attention from academia and industry. Most paper…
An Efficient CSI Acquisition Method for Intelligent Reflecting Surface-assisted mmWave Networks
Yaoshen Cui, Haifan Yin
Millimeter-wave (mmWave) communication is one of the key enablers of the fifth-generation cellular networks (5G). However, one of the fundamental challenges of mmWave communication…
Addressing the curse of mobility in massive MIMO with Prony-based angular-delay domain channel predictions
Haifan Yin, Haiquan Wang, Yingzhuang Liu +1
Massive MIMO is widely touted as an enabling technology for 5th generation (5G) mobile communications and beyond. On paper, the large excess of base station (BS) antennas promises…
Efficient Feedback Mechanisms for FDD Massive MIMO under User-level Cooperation
Junting Chen, Haifan Yin, Laura Cottatellucci +1
Channel state information (CSI) feedback is a challenging issue in frequency division multiplexing (FDD) massive MIMO systems. This paper studies a cooperative feedback scheme, whe…
Robust Pilot Decontamination Based on Joint Angle and Power Domain Discrimination
Haifan Yin, Laura Cottatellucci, David Gesbert +2
We address the problem of noise and interference corrupted channel estimation in massive MIMO systems. Interference, which originates from pilot reuse (or contamination), can in pr…
Dealing with Interference in Distributed Large-scale MIMO Systems: A Statistical Approach
Haifan Yin, David Gesbert, Laura Cottatellucci
This paper considers the problem of interference control through the use of second-order statistics in massive MIMO multi-cell networks. We consider both the cases of co-located ma…
A Coordinated Approach to Channel Estimation in Large-scale Multiple-antenna Systems
Haifan Yin, David Gesbert, Miltiades Filippou +1
This paper addresses the problem of channel estimation in multi-cell interference-limited cellular networks. We consider systems employing multiple antennas and are interested in b…