Large Antenna Array with Hybrid Beamforming System for 5G Outdoor Mobile Broadband Communication Deployments

Jeyakumar, P.; Malar, E.; Idnani, Neeraj; Muthuchidambaranathan, P.

doi:10.1007/s11277-021-08457-5

Cited by 11 publications

(4 citation statements)

References 19 publications

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“…Key objectives of 5G mobile communications networks, according to recent research activities, are to achieve 1000 times method capacity, 10 times SE, EE and data rate and 25 times average cell throughput [7].As number of new generation devices like smartphones, tablets, and notebooks rises, so does the demand for high data rates and network dependability.The electromagnetic spectrum is a valuable but finite resource, hence massive MIMO, a high-level viewpoint technology, is used to effectively utilise that spectrum and meet demand.Massive MIMO is characterised as a method that may simultaneously serve a high number of users (UEs) by deploying a large number of smaller array antennas at BS to considerably increase beamforming and system capacity [8].Phase noise's effects on uplink and downlink performance of massive MIMO methods have been studied in [9]- [11] as well as [12] and [13].As a result, channel ageing can be caused by both Doppler shift and phase noise.However, only sources of channel ageing in any of these earlier experiments were either Doppler shift or phase noise.A partially connected structure (PCS) hybrid beamforming method may also be used to enhance error performance as well as average sum rate of mmWave MU-MIMO [14].By merging beam patterns with knowledge of azimuth and elevation angles, reported PCS mechanism was created.For next generation of wireless communication, mmWave communication was a promising method that could solve bandwidth limitation problem [15,16].The use of BS coordination for interference suppression is extensively studied in literature over past ten years, including works in [17]. However, these studies primarily focused on fully digital beamforming with a single RF chain behind every antenna.…”

Section: Related Workmentioning

confidence: 99%

MMwave MIMO in 5G Network Analysis for Spectral Efficiency with Beamforming Based Channel Estimation

Dhabliya¹

2022

ijfrcsce

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5G network has its high energy efficiency and spectrum efficiency, massive multiple-input and multiple-output (MIMO) has been envisioned as a key technology.This research work is centred on optimal method creation of energy-efficient massive MIMO methods, which is most active research technology in the communication industry.The suggested model, which takes into account a multi-cell model scenario, is a realistic method that improved spectral efficiency (SE) of huge MIMO methods.Base stations (BSs) do channel estimate based on uplink (UL) transmission using least-square (LS), element-wise MMSE, and minimum mean-squared error (MMSE) estimators.This research propose novel technique in MMwaveMIMO 5G network based spectral efficiency and channel estimation. The aim of this research is to enhance the spectral efficiency of MIMO channel using HetNets zero forcing Multiuser propagation models. The channel estimation is carried out based on beamforming using matched filter channel estimation with wide band antenna.Finally, simulation results demonstrate the high channel estimate accuracy and spectrum efficiency that the suggested systems can accomplish.Proposed technique attained sum rate of 85%, spectral efficiency of 93%, DoF of 79%, energy efficiency of 98% and detection accuracy of 96% for number of cells and sum rate of 77%, spectral efficiency of 85%, DoF of 71%, energy efficiency of 92% and detection accuracy of 95% for number of users.

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Section: Related Workmentioning

confidence: 99%

MMwave MIMO in 5G Network Analysis for Spectral Efficiency with Beamforming Based Channel Estimation

Dhabliya¹

2022

ijfrcsce

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“…Nowadays, mmWave communications have drawn considerable research interest, as the immense bandwidth available would theoretically lead to several Gbps (gigabit per second) rates per user [8]. Beamforming in outdoor mmWave systems would be vital to address high path losses and achieve fair link budgets [10].…”

Section: Related Workmentioning

confidence: 99%

“…Alternatively, suppose digital beamforming techniques are taken into account. In that case, a separate RF chain is required for any antenna element in a large antenna array, which paves the way for enormous costs and high power consumption [8]. Therefore, in this study, to reduce high power consumption and overcome path loss, hybrid beamforming (HBF) is proposed with a uniform linear array (ULA) considered an alternate approach, as shown in Figure 1.…”

Section: Introductionmentioning

confidence: 99%

Large Antenna Array with Hybrid Beamforming System for 5G Indoor Communication Network Deployments

Jeyakumar¹,

Malar²,

Srinitha³

et al. 2021

Preprint

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The millimeter-wave multiple input multiple output (MIMO) technology is the frontier for 5G communication systems. This work contributes a large antenna array with a limited number of radio frequency chains using the hybrid beamforming (HBF) technique that overcomes extreme path loss in the mmWave system to improve spectral efficiency. The link budget analysis is given for the target data rate of 11.3 Gbps for the point-to-point communication. The number of antenna elements required for the proposed antenna array is determined via link budget analysis. The proposed system includes single element patch antenna configuration, array factor analysis, and beam steering capability. The transmit and receive antenna gain specifications minimize the path loss and improve the system throughput. Combiners and hybrid precoders are designed together in an iterative way for reducing the cost function of the weighted minimum mean squared(WMMSE) error. Simulation results demonstrate that the proposed HBF algorithm performance is highly effective and performs closer to the fully digital beamforming technique. The proposed large antenna array with HBF uses the New York University Simulator (NYUSIM) to perform omnidirectional and directional power delay profile analysis with the most potent power. The proposed large antenna array with HBF methodology provides an optimal approach to indoor point-to-point communication deployments.

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“…is method is feasible in full beamforming structures, in which each channel has access to the baseband. However, it is not very suitable with hybrid beamforming structures [23][24][25][26]. To solve this limitation, [27] has proposed a compromising method, where all power amplifiers of each channel use independent subarrays.…”

Section: Introductionmentioning

confidence: 99%

A Novel Autoregressive Spectral Estimation-Based Neural Network Crest Factor Reduction Structure in Power Amplifiers of 5G Systems in Sandstorm Environment

Cao

Wang

Cai

2022

Scientific Programming

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In this paper, an autoregressive spectral estimation using a multilayered neural network is proposed to reduce the nonlinearities of 5G MIMO power amplifiers and increase the signal-transmitting qualities. The proposed method adopts the two-sided doubly exponential lattice algorithm to achieve the most suitable estimation for in-band compensation. Also, based on the iterative learning control method, a novel crest factor reduction digital predistortion is combined with the multilayered neural network. Based on the results, the proposed algorithm has increased the linearity and stability of the PA performance. The proposed method can improve the robustness of 5G MIMO wireless communication systems.

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Large Antenna Array with Hybrid Beamforming System for 5G Outdoor Mobile Broadband Communication Deployments

Cited by 11 publications

References 19 publications

MMwave MIMO in 5G Network Analysis for Spectral Efficiency with Beamforming Based Channel Estimation

MMwave MIMO in 5G Network Analysis for Spectral Efficiency with Beamforming Based Channel Estimation

Large Antenna Array with Hybrid Beamforming System for 5G Indoor Communication Network Deployments

A Novel Autoregressive Spectral Estimation-Based Neural Network Crest Factor Reduction Structure in Power Amplifiers of 5G Systems in Sandstorm Environment

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