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Beamforming techniques for massive MIMO systems in 5G: overview, classification, and trends for future Review

Ehab ALI, Mahamod ISMAIL, Rosdiadee NORDIN, Nor Fadzilah ABDULAH

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 6,   Pages 753-772 doi: 10.1631/FITEE.1601817

Abstract: Massive multiple-input multiple-output (MIMO) systems combined with beamforming antenna array technologiesobjective of this review paper is to discuss the state-of-the-art research on the most favourable types of beamformingtechniques that can be deployed in massive MIMO systems and to clarify the importance of beamformingClassifications of optimal beamforming techniques that are used in wireless communication systems areTo overcome the limitations in the literature, we have suggested an optimal beamforming technique that

Keywords： Beamforming classifications     Massive MIMO     Hybrid beamforming     Millimetre-wave beamforming    

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On Differentiation Among Pilot Signals of Multiple Mobile Targets in Retro-Reflective Beamforming for Article

Xin Wang, Long Li, Tie Jun Cui, Mingyu Lu

Engineering 2023, Volume 30, Issue 11,   Pages 55-62 doi: 10.1016/j.eng.2023.08.010

Abstract:

An experimental study is conducted on several retro-reflective beamforming schemes for wireless powerThe experimental results demonstrate that, when multiple targets broadcast continuous-wave pilot signals

Keywords： Wireless power transmission     Microwave antenna array     Retro-reflective beamforming     Pilot signal     Multiple    

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Joint cooperative beamforming and artificial noise design for secureAF relay networks with energy-harvesting Article

He-hao NIU, Bang-ning ZHANG, Dao-xing GUO, Yu-zhen HUANG, Ming-yue LU

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 6,   Pages 850-862 doi: 10.1631/FITEE.1601832

Abstract: We propose a joint robust cooperative beamforming and artificial noise scheme for secure communication

Keywords： Simultaneous wireless information and power transfer     Physical layer security     Relay networks     Cooperative beamforming    

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Study on wave rotor refrigerators

Yuqiang DAI, Dapeng HU, Meixia DING

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 83-87 doi: 10.1007/s11705-009-0075-y

Abstract: As a novel generation of a rotational gas wave machine, the wave rotor refrigerator (WRR) is an unsteadyA basic limitation on main structural parameters and operating parameters is deduced and the wave diagramIn the DUT Gas Wave Refrigeration Studying and Development Center (GWRSDC) lab, the isentropic efficiency

Keywords： wave rotor     refrigeration     unsteady flow theory     wave diagram    

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Prediction of the shear wave velocity

Amoroso SARA

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 83-92 doi: 10.1007/s11709-013-0234-6

Abstract: The paper examines the correlations to obtain rough estimates of the shear wave velocity from non-seismic

Keywords： horizontal stress index     shear wave velocity     flat dilatometer test     cone penetration test    

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Lamb wave propagation modeling for structure health monitoring

Xiaoyue ZHANG, Shenfang YUAN, Tong HAO

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 326-331 doi: 10.1007/s11465-009-0045-6

Abstract: A number of different numerical computational techniques have been developed for wave propagation studiesin complex media (LISA/SIM theory), has been effectively applied to numerical simulations of elastic waveThe finite difference equations describing wave propagation used in the LISA/SIM theory are obtained.

Keywords： Lamb wave     modeling     LISA/SIM theory     finite difference equation     finite element    

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Low complexity robust adaptive beamforming for general-rank signal model with positive semidefinite constraint Article

Yu-tang ZHU,Yong-bo ZHAO,Jun LIU,Peng-lang SHUI

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 11,   Pages 1245-1252 doi: 10.1631/FITEE.1601112

Abstract: We propose a low complexity robust beamforming method for the general-rank signal model, to combat againstSimulation results verify the validity and robustness of the proposed beamforming method.

Keywords： Beamforming     General-rank     Low complexity     Positive semidefinite (PSD) constraint     Model mismatches    

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Beamforming and fronthaul compression design for intelligent reflecting surface aided cloud radio access Research Article

Yu ZHANG, Xuelu WU, Hong PENG, Caijun ZHONG, Xiaoming CHEN,yzhang@zjut.edu.cn,ph@zjut.edu.cn,caijunzhong@zju.edu.cn,chen_xiaoming@zju.edu.cn

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 1,   Pages 31-46 doi: 10.1631/FITEE.2100307

Abstract: Owing to the inherent central information processing and resource management ability, the is a promising network structure for an intelligent and simplified sixth-generation (6G) wireless network. Nevertheless, to further enhance the capacity and coverage, more radio remote heads (RRHs) as well as high-fidelity and low-latency fronthaul links are required, which may lead to high implementation cost. To address this issue, we propose to exploit the as an alternative way to enhance the C-RAN, which is a low-cost and energy-efficient option. Specifically, we consider the uplink transmission where multi-antenna users communicate with the baseband unit (BBU) pool through multi-antenna RRHs and multiple IRSs are deployed between the users and RRHs. RRHs can conduct either point-to-point (P2P) compression or Wyner-Ziv coding to compress the received signals, which are then forwarded to the BBU pool through fronthaul links. We investigate the joint design and optimization of user transmit beamformers, IRS passive beamformers, and noise covariance matrices to maximize the uplink sum rate subject to fronthaul capacity constraints under P2P compression and Wyner-Ziv coding. By exploiting the Arimoto-Blahut algorithm and semi-definite relaxation (SDR), we propose a successive convex approximation approach to solve non-convex problems, and two iterative algorithms corresponding to P2P compression and Wyner-Ziv coding are provided. Numerical results verify the performance gain brought about by deploying IRS in C-RAN and the superiority of the proposed joint design.

Keywords： Cloud radio access network (C-RAN)     Intelligent reflecting surface (IRS)     Transmit beamforming     Fronthaul    

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A simple multi-wave algorithm for the uncapacitated facility location problem

Fred GLOVER, Saïd HANAFI, Oualid GUEMRI, Igor CREVITS

Frontiers of Engineering Management 2018, Volume 5, Issue 4,   Pages 451-465 doi: 10.15302/J-FEM-2018038

Abstract:

The multi-wave algorithm (Glover, 2016) integrates tabu search and strategic oscillation utilizingWe propose a simple multi-wave algorithm for solving the Uncapacitated Facility Location Problem (UFLP

Keywords： discrete optimization     UFLP     multi-wave optimization     strategic oscillation     tabu search    

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On subsurface box-shaped lined tunnel under incident SH-wave propagation

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 948-960 doi: 10.1007/s11709-021-0740-x

Abstract: study is carried out to sensitize some effective parameters, including frequency content and incident wave

Keywords： box-lined tunnel     half-plane BEM     surface response     SH-wave     time-domain    

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A simple method for evaluating liquefaction potential from shear wave velocity

Lianyang ZHANG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 178-195 doi: 10.1007/s11709-010-0023-4

Abstract: The simplified procedure using shear wave velocity measurements is increasingly used to evaluate theThis paper develops a simple method for evaluating the liquefaction potential of soils from shear wavefactors considered are the earthquake magnitude, the vertical effective overburden stress, the shear waveThe most important factor has been identified as the shear wave velocity.Neither stress-correction of shear wave velocity nor calculation of cyclic shear stress as in the simplified

Keywords： liquefaction     earthquake     simple method     shear wave velocity     case history introduction    

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Wave Interaction with a Partial Porous Double-Wall Cylinder

Teng Bin,Li Yucheng,Sun Lu

Strategic Study of CAE 2001, Volume 3, Issue 10,   Pages 41-47

Abstract:

A linear analytic solution is derived for wave interaetion with a combined cylinder with a solid interiorNumerical experiments have been carried out to examine the wave force and wave run-up on combined porousrun-up and wave loads on cylinders.Cylinders with whole porous section on the outer column are more suitable for reducing wave loads andwave run-up on cylinders.

Keywords： wave diffraction     wave force     wave run-up     porous structure     cylinder    

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Analytical solution for SH wave propagating through a graded plate of metamaterial

Jinfeng ZHAO, Yongdong PAN, Zheng ZHONG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 301-307 doi: 10.1007/s11465-011-0238-7

Abstract:

A physical model for the shear horizontal (SH) wave propagating from left-handed material (LHM) throughAfter the comparison of the basic wave equations of the electromagnetic, longitudinal, and SH waves,The shift along with the anti-symmetric profile may provide a way to monitor the wave behavior of the

Keywords： left-handed material (LHM)     metamaterial     shear horizontal (SH) wave    

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Characteristic of the High Energy Density and the Chemical Explosions and Discussion on the Effects of Flood Wave

Zhou Fengjun

Strategic Study of CAE 2000, Volume 2, Issue 12,   Pages 45-51

Abstract:

Based on results of radiate-hydrodynamic and TNT charge hydrodynamic blast wave calculations, thein close- in and distance regions of two kinds of explosions and the development of different blast waveAlso, flood wave disasters due to two kind explosions are discussed and great meaning of protection engineeringfor flood wave are described.

Keywords： high energy density explosion     chemical explosion     shock wave     flood wave    

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A review on front end conversion in ocean wave energy converters

Nagulan SANTHOSH,Venkatesan BASKARAN,Arunachalam AMARKARTHIK

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 297-310 doi: 10.1007/s11708-015-0370-x

Abstract: Effective utilization and sustainability of any wave energy harvester depend upon its adaptability inthe front end energy conversions are reviewed in detail which is positioned in the first stage of the waveIf the recent development of these front end energy conversion is well known then developing wave energyThis will be useful to the engineers for speeding up the development of a matured point absorbing type wave

Keywords： wave energy converter     point absorbers     power take off (PTO)     front end energy conversion    

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Title Author Date Type Operation

Beamforming techniques for massive MIMO systems in 5G: overview, classification, and trends for future

Ehab ALI, Mahamod ISMAIL, Rosdiadee NORDIN, Nor Fadzilah ABDULAH

Journal Article

On Differentiation Among Pilot Signals of Multiple Mobile Targets in Retro-Reflective Beamforming for

Xin Wang, Long Li, Tie Jun Cui, Mingyu Lu

Journal Article

Joint cooperative beamforming and artificial noise design for secureAF relay networks with energy-harvesting

He-hao NIU, Bang-ning ZHANG, Dao-xing GUO, Yu-zhen HUANG, Ming-yue LU

Journal Article

Study on wave rotor refrigerators

Yuqiang DAI, Dapeng HU, Meixia DING

Journal Article

Prediction of the shear wave velocity

Amoroso SARA

Journal Article

Lamb wave propagation modeling for structure health monitoring

Xiaoyue ZHANG, Shenfang YUAN, Tong HAO

Journal Article

Low complexity robust adaptive beamforming for general-rank signal model with positive semidefinite constraint

Yu-tang ZHU,Yong-bo ZHAO,Jun LIU,Peng-lang SHUI

Journal Article

Beamforming and fronthaul compression design for intelligent reflecting surface aided cloud radio access

Yu ZHANG, Xuelu WU, Hong PENG, Caijun ZHONG, Xiaoming CHEN,yzhang@zjut.edu.cn,ph@zjut.edu.cn,caijunzhong@zju.edu.cn,chen_xiaoming@zju.edu.cn

Journal Article

A simple multi-wave algorithm for the uncapacitated facility location problem

Fred GLOVER, Saïd HANAFI, Oualid GUEMRI, Igor CREVITS

Journal Article

On subsurface box-shaped lined tunnel under incident SH-wave propagation

Journal Article

A simple method for evaluating liquefaction potential from shear wave velocity

Lianyang ZHANG,

Journal Article

Wave Interaction with a Partial Porous Double-Wall Cylinder

Teng Bin,Li Yucheng,Sun Lu

Journal Article

Analytical solution for SH wave propagating through a graded plate of metamaterial

Jinfeng ZHAO, Yongdong PAN, Zheng ZHONG

Journal Article

Characteristic of the High Energy Density and the Chemical Explosions and Discussion on the Effects of Flood Wave

Zhou Fengjun

Journal Article

A review on front end conversion in ocean wave energy converters

Nagulan SANTHOSH,Venkatesan BASKARAN,Arunachalam AMARKARTHIK

Journal Article