Anzhong Hu - IEEE Xplore Author Profile
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Anzhong Hu

Publications
24
Citations
280
Publications by Year
20132025
Co-Authors:
Show All Co-Authors (30)
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Anzhong Hu

Affiliation

School of Communication Engineering
Hangzhou Dianzi University
Hangzhou, China

Publication Topics

Biography

Anzhong Hu (Member, IEEE) received the B.Eng. degree in communication engineering from Zhejiang University of Technology (ZJUT), Hangzhou, China, in 2009, and the Ph.D. degree in signal and information processing from Beijing University of Posts and Telecommunications (BUPT), Beijing, China, in 2014. He joined Hangzhou Dianzi University (HDU), Hangzhou, in 2014, where he is currently an Associate Professor. From 2019 to 2020, he was a Visiting Researcher with the Chalmers University of Technology (CTH), Gothenburg, Sweden. His research interests include signal processing, system design, and parameter optimization in massive multiple-input multiple-output (MIMO) systems, and millimeter wave (mmWave) systems.(Based on document published on 11 June 2024).
Publications
24
Citations
280
Publications by Year
20132025
Co-Authors:
Show All Co-Authors (30)
Author's Published Works

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Performance Analysis of Holographic MIMO With One Leaky Waveguide in the Tunnel Scenario

Anzhong Hu;Lijun Huang;Xiaoming Chen;Peng Pan

IEEE Sensors Journal
Year: 2025 | Volume: 25, Issue: 6 | Journal Article |
This article investigates a holographic multiple-input multiple-output system in the tunnel scenario with the transmitter being one leaky waveguide. In the communication case, by utilizing the channel model based on Fourier plane waves, the spectral efficiency is analyzed in both the far-field and the near-field. In the integrated sensing and communication case, the spectral efficiency is analyzed...Show More

Performance Analysis of Holographic MIMO With One Leaky Waveguide in the Tunnel Scenario

Anzhong Hu;Lijun Huang;Xiaoming Chen;Peng Pan

Year: 2025 | Volume: 25, Issue: 6 | Journal Article |

EVM Analysis of Distributed Massive MIMO With 1-Bit Radio-Over-Fiber Fronthaul

Anzhong Hu;Lise Aabel;Giuseppe Durisi;Sven Jacobsson;Mikael Coldrey;Christian Fager;Christoph Studer

IEEE Transactions on Communications
Year: 2024 | Volume: 72, Issue: 11 | Journal Article |
Cited by: Papers (1)
We analyze the uplink performance of a distributed massive multiple-input multiple-output (MIMO) architecture in which the remotely located access points (APs) are connected to a central processing unit via a fiber-optical fronthaul carrying a dithered and 1-bit quantized version of the received radio-frequency (RF) signal. The innovative feature of the proposed architecture is that no down-conver...Show More

EVM Analysis of Distributed Massive MIMO With 1-Bit Radio-Over-Fiber Fronthaul

Anzhong Hu;Lise Aabel;Giuseppe Durisi;Sven Jacobsson;Mikael Coldrey;Christian Fager;Christoph Studer

Year: 2024 | Volume: 72, Issue: 11 | Journal Article |

Novel AMUB Sequences for Massive Connection IIoT Systems

Tianle Liu;Haiquan Wang;Jun Tong;Peng Pan;Anzhong Hu;Tengjiao He

IEEE Internet of Things Journal
Year: 2024 | Volume: 11, Issue: 16 | Journal Article |
In this study, we design novel approximately mutually unbiased bases (AMUBs) sequences with arbitrary lengths and large family sizes for massive connection systems. Sequences with low correlations are highly demanded for many wireless communications systems, including Industrial Internet of Things (IIoT) systems for various applications. While many sets of sequences have been designed in the past ...Show More

Novel AMUB Sequences for Massive Connection IIoT Systems

Tianle Liu;Haiquan Wang;Jun Tong;Peng Pan;Anzhong Hu;Tengjiao He

Year: 2024 | Volume: 11, Issue: 16 | Journal Article |

Channel Estimation via Subcarrier Grouping for Wideband mmWave Hybrid Massive MIMO-OFDM Systems

Yang Li;Anzhong Hu

IEEE Transactions on Green Communications and Networking
Year: 2024 | Volume: 8, Issue: 1 | Journal Article |
Cited by: Papers (1)
This paper studies the channel estimation of millimeter-wave massive multiple-input multiple-output orthogonal frequency division multiplexing systems with a wide bandwidth and a hybrid structure. By considering the influence of the frequency-spatial wideband effect and the channel sparsity, the subcarriers are grouped, the support as well as the angle of each group are estimated. Based on the ang...Show More

Channel Estimation via Subcarrier Grouping for Wideband mmWave Hybrid Massive MIMO-OFDM Systems

Yang Li;Anzhong Hu

Year: 2024 | Volume: 8, Issue: 1 | Journal Article |

Compressed Sensing and Kalman Filter Based Channel Tracking for mmWave Massive MIMO Systems

Qi Shen;Anzhong Hu;Jiguang He

2023 International Conference on Wireless Communications and Signal Processing (WCSP)
Year: 2023 | Conference Paper |
Millimeter wave (mmWave) communication system requires efficient yet accurate channel tracking to achieve high effective spectral efficiency. In this paper, we pay special attention to mmWave massive multiple-input multiple-output (MIMO) systems and propose a channel tracking approach based on compressed sensing and Kalman filter. To be specific, the proposed approach first utilizes compressed sen...Show More

Compressed Sensing and Kalman Filter Based Channel Tracking for mmWave Massive MIMO Systems

Qi Shen;Anzhong Hu;Jiguang He

Year: 2023 | Conference Paper |

Position-Aided Beam Learning for Initial Access in mmWave MIMO Cellular Networks

Anzhong Hu;Jiguang He

IEEE Systems Journal
Year: 2022 | Volume: 16, Issue: 1 | Journal Article |
Cited by: Papers (9)
In this article, beam learning based on position information (PI) about mobile station positions in the initial access (IA) of millimeter wave (mmWave) multiple-input–multiple-output (MIMO) cellular networks is investigated. The existing PI-based IA procedure cannot efficiently tackle the position inaccuracy and blockage or may cause a long IA delay because of the inefficient beam learning. Based ...Show More

Position-Aided Beam Learning for Initial Access in mmWave MIMO Cellular Networks

Anzhong Hu;Jiguang He

Year: 2022 | Volume: 16, Issue: 1 | Journal Article |

Wideband Millimeter-wave OFDM Uplink with Hybrid Receiving

Yang Li;Anzhong Hu

2021 IEEE 4th International Conference on Electronic Information and Communication Technology (ICEICT)
Year: 2021 | Conference Paper |
Cited by: Papers (2)
In this paper, we study millimeter-wave orthogonal frequency division multiplexing uplink transmission with a wide bandwidth and hybrid receiving. By considering the spatial- and frequency-wideband effects in the channel model, the spectral efficiency of the system is analyzed. The analysis and the simulation results show the beam squint effect caused by the wideband effects. Moreover, the impacts...Show More

Wideband Millimeter-wave OFDM Uplink with Hybrid Receiving

Yang Li;Anzhong Hu

Year: 2021 | Conference Paper |

Pilot Design and Allocation for Multi-Cell Massive MIMO Systems With Two-Tier Receiving

Anzhong Hu

IEEE Transactions on Vehicular Technology
Year: 2020 | Volume: 69, Issue: 7 | Journal Article |
Cited by: Papers (1)
This paper investigates pilot design and allocation in multi-cell massive multiple-input multiple-output systems with two-tier receiving. As the length of pilot is limited, the pilots cannot be orthogonal and cause interference. The sum rate as well as the signal-to-interference-plus-noise ratio (SINR) of the system are firstly analyzed. The sum rate upper bound and the asymptotic SINR are derived...Show More

Pilot Design and Allocation for Multi-Cell Massive MIMO Systems With Two-Tier Receiving

Anzhong Hu

Year: 2020 | Volume: 69, Issue: 7 | Journal Article |

All-Digital Massive MIMO Uplink and Downlink Rates under a Fronthaul Constraint

Yasaman Ettefagh;Sven Jacobsson;Anzhong Hu;Giuseppe Durisi;Christoph Studer

2019 53rd Asilomar Conference on Signals, Systems, and Computers
Year: 2019 | Conference Paper |
Cited by: Papers (5)
We characterize the rate achievable in a bidirectional quasi-static link where several user equipments communicate with a massive multiple-input multiple-output base station (BS). In the considered setup, the BS operates in full-digital mode, the physical size of the antenna array is limited, and there exists a rate constraint on the fronthaul interface connecting the (possibly remote) radio head ...Show More

All-Digital Massive MIMO Uplink and Downlink Rates under a Fronthaul Constraint

Yasaman Ettefagh;Sven Jacobsson;Anzhong Hu;Giuseppe Durisi;Christoph Studer

Year: 2019 | Conference Paper |

Grouping Optimization Based Hybrid Beamforming for Multiuser MmWave Massive MIMO Systems

Yadi Ding;Anzhong Hu

2019 IEEE 2nd International Conference on Computer and Communication Engineering Technology (CCET)
Year: 2019 | Conference Paper |
Cited by: Papers (2)
In millimeter-wave massive multiple input multiple output multiuser systems, inter-user interference becomes a major factor limiting system capacity. The premise of increasing system capacity is to minimize inter-user interference on the basis of ensuring large receiving power. In response to this situation, this paper proposes a low complexity grouping optimization based hybrid beamforming (HBF) ...Show More

Grouping Optimization Based Hybrid Beamforming for Multiuser MmWave Massive MIMO Systems

Yadi Ding;Anzhong Hu

Year: 2019 | Conference Paper |

Maximizing Minimum Phase Difference Based Hybrid Beamforming for Multiuser mmWave Massive MIMO systems

Yadi Ding;Anzhong Hu

2018 IEEE 4th International Conference on Computer and Communications (ICCC)
Year: 2018 | Conference Paper |
In this paper, we propose a hybrid beamforming algorithm based on maximizing the minimum phase difference for millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) multiuser systems. The proposed algorithm uses the channel gain threshold and the correlation characteristic of the array response vectors to select vector sets that provide higher signal power from analog beamforming v...Show More

Maximizing Minimum Phase Difference Based Hybrid Beamforming for Multiuser mmWave Massive MIMO systems

Yadi Ding;Anzhong Hu

Year: 2018 | Conference Paper |

Beam Grouping Based User Scheduling in Multi-Cell Millimeter-Wave MIMO Systems

Anzhong Hu

IEEE Access
Year: 2018 | Volume: 6 | Journal Article |
Cited by: Papers (3)
This paper investigates the user scheduling in multi-cell millimeter-wave multiple-input multiple-output systems. The asymptotic analysis reveals that scheduling of users with larger effective channel gains is beneficial. Based on the relation between the inter-cell interference and the channel correlation, the users are grouped according to the beams they belong to. In accordance, scheduling of u...Show More

Beam Grouping Based User Scheduling in Multi-Cell Millimeter-Wave MIMO Systems

Anzhong Hu

Year: 2018 | Volume: 6 | Journal Article |

Concavity Approximation Based Power Allocation in Millimeter-Wave MIMO Systems

Anzhong Hu;Peng Pan

IEEE Access
Year: 2017 | Volume: 5 | Journal Article |
Cited by: Papers (3)
This paper investigates the power allocation in millimeter-wave multiple-input multiple-output systems. The asymptotic concavity of the sum rate of the system is utilized to form the proposed power allocation approach. In contrast to the traditional approaches, the proposed approach utilizes a channel asymptotic orthogonality-based approximation which is more suitable, thus achieves higher spectra...Show More

Concavity Approximation Based Power Allocation in Millimeter-Wave MIMO Systems

Anzhong Hu;Peng Pan

Year: 2017 | Volume: 5 | Journal Article |

Antenna Tilt Adaptation for Multi-Cell Massive MIMO Systems

Anzhong Hu

IEEE Communications Letters
Year: 2017 | Volume: 21, Issue: 11 | Journal Article |
Cited by: Papers (4)
This letter proposes an antenna tilt adaptation approach for multi-cell massive multiple-input multiple-output systems. The asymptotic spectral efficiency of the system with pilot contamination in the limit of the antennas is first derived. The analysis demonstrates that the spectral efficiency is a concave function of the tilts with some specific requirements being satisfied. As a result, a gradi...Show More

Antenna Tilt Adaptation for Multi-Cell Massive MIMO Systems

Anzhong Hu

Year: 2017 | Volume: 21, Issue: 11 | Journal Article |

TOA Estimation Using Checking Window for IR-UWB Energy Detection Receivers

Hong Cai;Tiejun Lv;Hui Gao;Anzhong Hu

2014 IEEE 79th Vehicular Technology Conference (VTC Spring)
Year: 2014 | Conference Paper |
Cited by: Papers (3)
Precise ultra-wideband (UWB) ranging requires accurate estimation of time of arrival (TOA). In this paper,a novel TOA estimation approach using checking window is proposed for energy detection (ED) receivers in dense multipath channels. Unlike the traditional methods that treat the multipath components (MPCs) as interference sources, the proposed scheme exploits the MPCs to consolidate the detecti...Show More

TOA Estimation Using Checking Window for IR-UWB Energy Detection Receivers

Hong Cai;Tiejun Lv;Hui Gao;Anzhong Hu

Year: 2014 | Conference Paper |

Tight Semidefinite Relaxation for Combinatorial Optimization in UWB Multiuser Detection Systems

Chanfei Wang;Tiejun Lv;Hui Gao;Anzhong Hu

2014 IEEE 79th Vehicular Technology Conference (VTC Spring)
Year: 2014 | Conference Paper |
In this paper, two near-optimal detectors based on the convex optimization algorithm are proposed for multiuser detection (MUD) in the ultra-wide bandwidth (UWB) systems. The first detector performs semidefinite relaxation (SDR) to approximate the optimum multiuser detection (OMD) which is a nondeterministic polynomial time hard (NP-hard) problem. When the cutting planes generation algorithm is em...Show More

Tight Semidefinite Relaxation for Combinatorial Optimization in UWB Multiuser Detection Systems

Chanfei Wang;Tiejun Lv;Hui Gao;Anzhong Hu

Year: 2014 | Conference Paper |

An optimized first path detector for UWB ranging using error characteristics

Hong Cai;Tiejun Lv;Hui Gao;Anzhong Hu;Yueming Lu

2014 IEEE Wireless Communications and Networking Conference (WCNC)
Year: 2014 | Conference Paper |
Cited by: Papers (3)
The key of time of arrival (TOA) estimation in ultra wideband (UWB) ranging is to detect the first path (FP). In this paper, we propose an optimized FP detector with the adaptive threshold in the absence of prior channel state information (CSI). In particular, the error information (EI) set is introduced to guide the threshold adjustment and determine the TOA estimate with a novel iterative algori...Show More

An optimized first path detector for UWB ranging using error characteristics

Hong Cai;Tiejun Lv;Hui Gao;Anzhong Hu;Yueming Lu

Year: 2014 | Conference Paper |

Generalized likelihood ratio test multiple-symbol detection for MIMO-UWB: A semidefinite relaxation approach

Chanfei Wang;Tiejun Lv;Hui Gao;Anzhong Hu;Yueming Lu

2014 IEEE Wireless Communications and Networking Conference (WCNC)
Year: 2014 | Conference Paper |
Cited by: Papers (2)
In this paper, semidefinite relaxation (SDR) technology is exploited for the multiple-symbol detection (MSD) over the multiple-input multiple-output (MIMO) ultra-wideband (UWB) systems. The existing scheme generalized likelihood ratio test (GLRT) MSD jointly detect multiple symbols, however, it entails a complexity of O(2M), where M is the observation window size. To this end, SDR is employed to r...Show More

Generalized likelihood ratio test multiple-symbol detection for MIMO-UWB: A semidefinite relaxation approach

Chanfei Wang;Tiejun Lv;Hui Gao;Anzhong Hu;Yueming Lu

Year: 2014 | Conference Paper |

Low-complexity transmission mode selection in MU-MIMO systems

Haijing Liu;Hui Gao;Anzhong Hu;Tiejun Lv

2014 21st International Conference on Telecommunications (ICT)
Year: 2014 | Conference Paper |
Cited by: Papers (2)
We propose a low-complexity transmission strategy in multi-user multiple-input multiple-output downlink systems. The adaptive strategy adjusts the precoding methods, denoted as the transmission mode, to improve the system sum rates while maintaining the number of simultaneously served users. Three linear precoding transmission modes are discussed, i.e., the block diagonalization zero-forcing, the ...Show More

Low-complexity transmission mode selection in MU-MIMO systems

Haijing Liu;Hui Gao;Anzhong Hu;Tiejun Lv

Year: 2014 | Conference Paper |

An ESPRIT-Based Approach for 2-D Localization of Incoherently Distributed Sources in Massive MIMO Systems

Anzhong Hu;Tiejun Lv;Hui Gao;Zhang Zhang;Shaoshi Yang

IEEE Journal of Selected Topics in Signal Processing
Year: 2014 | Volume: 8, Issue: 5 | Journal Article |
Cited by: Papers (195)
In this paper, an approach of estimating signal parameters via rotational invariance technique (ESPRIT) is proposed for two-dimensional (2-D) localization of incoherently distributed (ID) sources in large-scale/massive multiple-input multiple-output (MIMO) systems. The traditional ESPRIT-based methods are valid only for one-dimensional (1-D) localization of the ID sources. By contrast, in the prop...Show More

An ESPRIT-Based Approach for 2-D Localization of Incoherently Distributed Sources in Massive MIMO Systems

Anzhong Hu;Tiejun Lv;Hui Gao;Zhang Zhang;Shaoshi Yang

Year: 2014 | Volume: 8, Issue: 5 | Journal Article |

A Distribution Fitting Approach for Localization of Multiple Scattered Sources with Very Large Arrays

Anzhong Hu;Tiejun Lv

MILCOM 2013 - 2013 IEEE Military Communications Conference
Year: 2013 | Conference Paper |
Cited by: Papers (1)
In this paper, a distribution fitting approach is proposed to estimate the angular parameters of multiple incoherently distributed sources with large antenna arrays. The estimator utilizes the approximate orthogonality of the array response vectors of large arrays to obtain a vector which is the superposition of the probability distributions of the direction-of-arrivals (DOAs) of the sources. Then...Show More

A Distribution Fitting Approach for Localization of Multiple Scattered Sources with Very Large Arrays

Anzhong Hu;Tiejun Lv

Year: 2013 | Conference Paper |

Subspace-Based Semi-Blind Channel Estimation for Large-Scale Multi-Cell Multiuser MIMO Systems

Anzhong Hu;Tiejun Lv;Yueming Lu

2013 IEEE 77th Vehicular Technology Conference (VTC Spring)
Year: 2013 | Conference Paper |
Cited by: Papers (15)
Large-scale multi-cell multiuser multiple-input multiple-output (LS-MIMO) systems have received much attention recently. But the performance of these systems is deteriorated by imperfect channel state information (CSI). Hence, in this paper, a subspace-based semi-blind channel estimator is proposed. Based on the approximate orthogonality of the channel vectors of LS-MIMO systems, singular value de...Show More

Subspace-Based Semi-Blind Channel Estimation for Large-Scale Multi-Cell Multiuser MIMO Systems

Anzhong Hu;Tiejun Lv;Yueming Lu

Year: 2013 | Conference Paper |

Pilot design for large-scale multi-cell multiuser MIMO systems

Anzhong Hu;Tiejun Lv;Hui Gao;Yueming Lu;Enjie Liu

2013 IEEE International Conference on Communications (ICC)
Year: 2013 | Conference Paper |
Large-scale multi-cell multiuser multiple-input multiple-output (LS-MIMO) systems can greatly increase the spectral efficiency. But the performance of these systems is deteriorated by pilot contamination. In this paper, first, a pilot design criterion is proposed by exploiting the orthogonality of channel vectors of LS-MIMO systems. Second, following this criterion, Chu sequences based pilots are ...Show More

Pilot design for large-scale multi-cell multiuser MIMO systems

Anzhong Hu;Tiejun Lv;Hui Gao;Yueming Lu;Enjie Liu

Year: 2013 | Conference Paper |

A low-complexity vector precoding scheme for large multiuser MIMO systems

Wei Ding;L. V. Tiejun;Anzhong Hu;Sixi Su

2013 16th International Symposium on Wireless Personal Multimedia Communications (WPMC)
Year: 2013 | Conference Paper |
In this paper, the precoding problem for large multiuser multiple-input multiple-output (MU-MIMO) systems has been considered since precoding for such large systems has been a challenge on account of prohibitive complexity. Hence, we propose a well-performed low-complexity vector precoding scheme, which is termed as the oriented reactive tabu search (ORTS). Its low complexity is achieved by search...Show More

A low-complexity vector precoding scheme for large multiuser MIMO systems

Wei Ding;L. V. Tiejun;Anzhong Hu;Sixi Su

Year: 2013 | Conference Paper |

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