Search Results - "RF precoder"

Impact of CSI Knowledge on the Codebook-Based Hybrid Beamforming in Massive MIMO by An Liu, Lau, Vincent K. N.

“…Hybrid beamforming, which consists of an RF precoder and a baseband precoder, has been proposed to reduce the number of RF chains at the massive multiple input multiple output (MIMO) base station (BS…”
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Performance Evaluation of Full-Duplex IAB Multi-Cell and Multi-User Network for FR2 Band by Bishnu, A., Holm, M., Ratnarajah, T.

“…One of the approaches to support high data rates in beyond 5G cellular networks is the dense deployment of the small cell millimeter-wave (frequency range 2…”
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RF Beamforming and Subcarrier Allocation Using Beam Squint in mmWave Systems by Varshney, Nancy, De, Swades

“… Thus, the design of radio frequency (RF) precoder and subcarrier allocation are intertwined…”
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Hybrid precoding design in multiuser large-scale antenna systems under correlated fading by Yu, Yingying, Zhang, Zaichen, Wu, Liang, Dang, Jian

“… In this paper, the authors investigate the hybrid precoding design that combines with a radio frequency (RF…”
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RF Precoder Design with Preselection Codebook for Millimeter Wave MIMO Systems by Yuan, Yipu, Huang, Yu-Jie, Yu, Jung-Lang

“…The radio frequency (RF) precoder/combiner design using phase shifter in millimeter wave (mmWave…”
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Two-stage BFGS-based hybrid precoding for mmWave multiuser MIMO systems by Dong, Fuwang, Wang, Wei, Qi, Biqing, Wang, Ben

“…Millimetre wave (mmWave) communications are the most promising candidate for the future fifth-generation mobile broadband networks, which offer greater…”
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Hybrid precoding in point-to-point massive multiple-input multiple-output systems based on normalised matrix adaptive method by Feng, Yongpan, Kim, Suk Chan

“… By deducing the derivative of the spectrum efficiency function with respect to the phase matrix variable of the RF precoder, an efficient RF precoding scheme based on the normalised matrix adaptive method (NMAM) is proposed…”
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Hybrid Analog and Digital Precoding Based on Adaptive Method in P2P Massive MIMO by Feng, Yongpan, Kim, Suk Chan

“…To achieve a far higher capacity in massive multi-input multi-output, the hybrid analog and digital precoding has been studied recently. In this paper, we…”
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Phase Only RF Precoding for Massive MIMO Systems With Limited RF Chains by An Liu, Lau, Vincent

“… In this scheme, the MIMO precoder is partitioned into a high-dimensional phase only RF precoder followed by a low-dimensional baseband precoder…”
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Two-Stage Constant-Envelope Precoding for Low-Cost Massive MIMO Systems by An Liu, Lau, Vincent K. N.

“… with S ≪ M RF chains and nonlinear power amplifiers. Specifically, the MIMO precoder at the BS is partitioned into an RF precoder and a baseband precoder…”
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SLNR Based Hybrid Precoding for HAP Massive MIMO Systems with Limited RF Chains by Zhang, Jian, Jiang, Lingge, Ji, Pingping, He, Chen, He, Di, Wu, Wenjun

“…) systems with limited RF chains on high altitude platform (HAP). In the proposed method, we formulate the RF precoder design as an average signal-to-leakage-plus-noise ratio (SLNR…”
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Stochastic Successive Convex Optimization for Two-Timescale Hybrid Precoding in Massive MIMO by Liu, An, Lau, Vincent K. N., Zhao, Min-Jian

“…Hybrid precoding, which consists of an RF precoder and a baseband precoder, is a popular precoding architecture for massive multiple-input multiple-output (MIMO…”
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Optimizing Spectral Efficiency in Downlink Millimeter Wave Distributed Massive Multi-User MIMO: A Fully Connected Two-Stage Iterative Hybrid Precoding Approach by Gholami, Elahe, Meghdadi, Hamid, Shahzadi, Ali

“…Distributed massive multiple-input multiple-output (MIMO) at millimeter wave (mmWave) frequencies utilizes a combination of analog and digital precoding to…”
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Hybrid Precoder Design With Minimum-Subspace-Distortion Quantization in Multiuser mmWave Communications by Ni, Zhitong, Zhang, J. Andrew, Yang, Kai, Gao, Fei, An, Jianping

“… Our key idea is to maximize the system sum rate by using an adaptive baseband precoder and an eigenbeam radio frequency (RF) precoder…”
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Hybrid Precoding for Physical Layer Multicasting by Dai, Mingbo, Clerckx, Bruno

“… To tackle the RF hardware constraint, we consider a hybrid precoder that is partitioned into a high-dimensional RF precoder and a low-dimensional baseband precoder…”
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Hybrid Beamforming With Reduced RF Chain Based on PZF and PD-NOMA in mmWave Massive MIMO Systems by Lee, Yeong-Rong, Lee, Won-Seok, Jung, Ji-Sung, Park, Chan-Yeob, You, Young-Hwan, Song, Hyoung-Kyu

“… However, if the resolution of RF precoder is not quantized, the energy consumption of HB may become similar to fully digital beamforming…”
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Near-Optimal Hybrid Processing for Massive MIMO Systems via Matrix Decomposition by Ni, Weiheng, Dong, Xiaodai, Lu, Wu-Sheng

“…For practical implementation of massive multiple-input multiple-output (MIMO) systems, the hybrid processing (precoding/combining) structure is promising to…”
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Hybrid beamforming for multi-user MIMO with partially-connected RF architecture by Hu, Chen, Liu, Yingzhuang, Liao, Limin, Zhang, Ruijie

“…The traditional fully-digital beamforming is realised by the full radio-frequency (RF) chain configuration, which will be impracticable in massive…”
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Swarm Intelligence based Power Allocation in Hybrid Millimeter-Wave Massive MIMO Systems by Koc, Asil, Le-Ngoc, Tho

“… (3D-AB-HP) technique requiring low channel state information (CSI) overhead. The 3D-AB-HP architecture consists of three stages: (i) radio frequency (RF) precoder, (ii) baseband (BB) precoder, (iii…”
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Hybrid Beamforming and Relay Selection for End-to-End SNR Maximization in Single-User Multi-Relay MIMO Systems by Mustafa, Hafiz Muhammad Tahir, Baik, Jung-In, You, Young-Hwan, Song, Hyoung-Kyu, Abbasi, Zunira

“… The first component designs the RF precoder/combiner at source and relay nodes by maximizing…”
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