Meng Zhou

ORCID: 0000-0003-0814-0457
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About
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Research Areas
  • Advanced MIMO Systems Optimization
  • Energy Harvesting in Wireless Networks
  • Cooperative Communication and Network Coding
  • Full-Duplex Wireless Communications
  • Advanced Wireless Communication Technologies
  • Millimeter-Wave Propagation and Modeling
  • Advanced Wireless Network Optimization
  • Microwave Dielectric Ceramics Synthesis
  • Age of Information Optimization
  • Wireless Communication Security Techniques
  • Microwave Engineering and Waveguides
  • IoT Networks and Protocols
  • Mobile Ad Hoc Networks
  • Antenna Design and Analysis
  • Analog and Mixed-Signal Circuit Design
  • Congenital Heart Disease Studies
  • Advanced battery technologies research
  • Radio Frequency Integrated Circuit Design
  • Advanced Wireless Communication Techniques
  • Advanced Battery Materials and Technologies
  • Wireless Networks and Protocols
  • Wireless Body Area Networks
  • Cancer-related molecular mechanisms research
  • Supercapacitor Materials and Fabrication
  • Power Line Communications and Noise

Zhejiang University
2021-2025

Henan Normal University
2023-2025

Wenzhou Medical University
2024

Hangzhou Dianzi University
2021-2024

Hefei University of Technology
2008-2024

Zhejiang University of Technology
2024

State Grid Corporation of China (China)
2023

Hangzhou City University
2023

California Institute for Biomedical Research
2023

Shanghai Jiao Tong University
2023

This paper considers an uplink cell-free massive multi-input multi-output (mMIMO) system with multi-antenna access points (APs) and users, assuming low-resolution analog-to-digital converter (ADC) architecture is employed at the APs. Leveraging on additive quantization noise model (AQNM), we derive a tight approximate expression for spectral efficiency (SE). trackable finding provides us tool easily quantifying impacts of number antenna arrays bit ADCs. We find 5-bit required in mMIMO ADCs...

10.1109/access.2019.2937094 article EN cc-by IEEE Access 2019-01-01

In this letter, we introduce a mixed analog-todigital converter (ADC) receiver architecture to cell-free massive multi-input multi-output (mMIMO) system under Rician fading channels. particular, the mixed-ADC permits some of receiver's antennas be implemented with economical low-resolution ADCs, while rests are equipped highpriced perfect ADCs. Leveraging on additive quantization noise model (AQNM), tight approximate uplink spectral efficiency (SE) expression matched filtering is derived,...

10.1109/lcomm.2019.2947462 article EN IEEE Communications Letters 2019-10-15

A generalized uplink cell-free massive multi-input multi-output (MIMO) system assuming access points (APs) are paired with mixed-resolution analog-to-digital converters (ADCs) and digital-to-analog (DACs) is investigated in this article. Specifically, the mixed-ADC/DAC architecture sacrifices part of performance gains advocates a few low-precision ADCs/DACs to reduce power consumption. Based on antenna structure, we derive closed-form achievable rate expressions for maximal ratio combining...

10.1109/jsyst.2020.2999521 article EN IEEE Systems Journal 2020-06-19

In this paper, the uplink performance of cell-free massive multi-input multi-output (mMIMO) system with zero-forcing (ZF) and conjugate beamforming (CB) receivers is investigated. A novel tight approximate rate expression for ZF receiver derived, which provides us a tool easily quantifying impacts multi-antenna access point (AP), estimation error, pilot contamination, power control scheme. Then, leveraging on trackable pre-studied CB expression, two algorithms are proposed. particular, first...

10.1109/jcn.2019.000053 article EN Journal of Communications and Networks 2019-12-01

In this paper, it investigates the uplink performance of cell-free massive multiple-input multiple-output with non-orthogonal multiple access (CF-mMIMO-NOMA) technique and derives a rigorous closed-form approximation spectral efficiency expression for conjugate beamforming receiver. Based on novel result, paper proposes total maximization algorithm, subjecting to each user's quality-of-service (QoS) constraint, transmission power successive interference cancellation (SIC) constraint. The...

10.1109/iccw.2019.8756881 article EN 2022 IEEE International Conference on Communications Workshops (ICC Workshops) 2019-05-01

In this article, a generalized uplink cell-free massive multi-input multi-output (MIMO) system with nonideal radio frequency (RF) chains and low-resolution analog-to-digital converters (ADCs) is investigated. Specifically, the RF impairments ADC imperfections not only hinder accuracy of channel estimation but also deteriorate strength received signal-to-interference-plus-noise ratio. Achievable closed-form rate expressions are first derived by leveraging on Gaussian impairment model linear...

10.1109/jsyst.2020.2990709 article EN IEEE Systems Journal 2020-05-28

In this paper, we present the detailed rate analysis for cell-free massive multiple-input multiple-output (MIMO) systems over spatially correlated Rayleigh fading channels. Taking realistic impairment effects of spatial channel correlation, pilot contamination, and estimation errors into account, lower-bounds achievable rates both uplink downlink are derived with low-complexity linear processing such as matched filter conjugate beamforming, which enable us to take cognizance impacts...

10.1109/access.2020.2976672 article EN cc-by IEEE Access 2020-01-01

As one of the most critical tasks currently, it is essential to excavate status update performance. In this paper, we combine access control and pilot design minimize average age information (AoI) in cell-free (CF) massive multiple-input multiple-output (MIMO) system with grant-free (GF) random access, where positions both points (APs) machine-type communication devices (MTCDs) are geographically distributed as independent Poisson point processes (PPPs). Based on establish two-disk...

10.1109/jiot.2025.3526836 article EN IEEE Internet of Things Journal 2025-01-01

Predicting the corrosion rate for soil-buried steel is significant assessing service-life performance of structures in soil environments. However, due to large amount variables involved, existing prediction models have limited accuracy complex environment. The present study employs three machine learning (ML) algorithms, i.e., random forest, support vector regression, and multilayer perception, predict current density steel. Steel specimens were embedded samples collected from different...

10.1038/s41598-024-68562-w article EN cc-by-nc-nd Scientific Reports 2024-08-06

This paper focuses on a secrecy constrained massive multiple-input multiple-output (MIMO) relaying system in terms of the optimal design parameters such as total number antennas at relay, where more practical mixed analog-to-digital converters (ADCs) scheme, double-resolution ADCs is proposed. In proposed M relay are divided into two parts, one which includes <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> with medium-resolution only...

10.1109/access.2016.2633330 article EN cc-by-nc-nd IEEE Access 2016-01-01

In this paper, we investigate the downlink performance of cell-free massive multi-input multi-output non-orthogonal multiple access (CF-mMIMO-NOMA) system with conjugate beamforming precoder and compare against orthogonal (OMA) counterpart. A novel achievable closed-form spectral efficiency (SE) expression is derived, which characterizes effects channel estimation error, pilot contamination, imperfect successive interference cancellation (SIC) operation, power optimization technique. Then,...

10.23919/jcc.2020.08.007 article EN China Communications 2020-08-01

In this paper, a pilot-contaminated uplink cell-free massive multiple-input multiple-output (mMIMO) system with zero-forcing (ZF) receiver is considered. Then paper derives novel lower-bound expression for energy efficiency (EE), which enables us to propose resource optimization problem maximize the total EE. This considered power scheme takes into account quality-of-service (QoS) requirement, each user constraint and consumption. Specifically, consumption model includes circuit power, data...

10.23919/icact.2019.8702035 article EN 2019-02-01

In this letter, we investigate the impact of multi-antenna on both users and access points (APs), low-resolution digital-to-analog converters (DACs) multigroup multicast cell-free massive multi-input multi-output (MIMO) systems. With distributed conjugate beamforming receiver generalized additive quantization noise model, derive a closed-form expression for achievable downlink sum spectral efficiency (SE), which provides us vigorous tool easily evaluating impacts key parameters. Due to joint...

10.1109/lwc.2021.3077900 article EN IEEE Wireless Communications Letters 2021-05-06

Abstract The aqueous metal–H 2 O batteries have been paid rapidly increasing attention due to their large theoretical energy densities, attractive power density, and multiple applications (air, land, sea), especially in low‐content oxygen or nonoxygen conditions which metal–air cells are out of work. However, the requirements different order metal activities (Mg &gt; Al Zn) as well cells. Aqueous mainly include Al–H , Mg–H Zn–H with respective scientific problems, including battery...

10.1002/bte2.20230049 article EN cc-by Battery energy 2023-12-27

In millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems, the hybrid beamforming architecture has been put forward to reduce high hardware cost and power consumption, which are resulted from tremendous requirements of dedicated radio frequency (RF) chains. this paper, we propose several strategies design analog digital precoders for a point-to-point (P2P) MIMO system. Aiming at minimizing Euclidean distance between optimal precoder precoder, decouple matrix factorization...

10.1109/access.2020.3002788 article EN cc-by IEEE Access 2020-01-01

In this article, the effects of multiantenna users and low-resolution analog-to-digital converters/digital-to-analog converters (ADCs/DACs) on multigroup multicast downlink cell-free massive multi-input multi-output (MIMO) systems are explored. Leveraging distributed conjugate beamforming receiver generalized additive quantization noise model, we first derive a closed-form expression for achievable sum spectral efficiency (SE). The resultant enables us to precisely quantify key parameters,...

10.1109/jsyst.2021.3077765 article EN IEEE Systems Journal 2021-06-03

Hierarchically macro-meso-microporous ZIF-67/nori-derived electrocatalysts were synthesized by using single-cell-array nori and ZIF-67 as macroporous microporous templates, KOH a meso/micropore-forming reagent. The ZIF-67/nori-800-based Zn-H2O2 battery achieved high maximum power density, of 476 mW cm-2, specific energy density 964 W h kg-1 at 50 mA cm-2.

10.1039/d2cc06915f article EN Chemical Communications 2023-01-01
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