Search Results - "baseband precoder"

Hybrid Precoding Design Using MMSE Baseband Precoder for mm-Wave Multi-User MIMO Systems

“…For future 5G wireless communication networks, millimeter-wave (mmWave) cellular systems is considered to be the key enabling technology because of its high…”
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Channel estimation and MIMO combining architecture in millimeter wave cellular system with few ADC bits by Raji, Akeem Abimbola, Orimolade, Joseph Folorunso, Amusa, Kamoli Akinwale, Adejumobi, Isaiah Adediji

“…Hybrid combiner and precoder architectures, radio frequency (RF) chain, analog phase shifters, digital-to-analog converter (DAC), and analog-to-digital…”
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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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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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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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A Hybrid RF/Baseband Precoding Processor Based on Parallel-Index-Selection Matrix-Inversion-Bypass Simultaneous Orthogonal Matching Pursuit for Millimeter Wave MIMO Systems by Lee, Yun-Yueh, Wang, Ching-Hung, Huang, Yuan-Hao

“… This paper proposes a new method of building the joint RF and baseband precoder that reduces the computation complexity of the original precoder reconstruction algorithm…”
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Hybrid Precoding via Successive Refinement for Millimeter Wave MIMO Communication Systems by Mirza, Jawad, Ali, Bakhtiar, Saud Naqvi, Syed, Saleem, Saqib

“…) to obtain the initial baseband (digital) precoder using principles of basis pursuit. The resulting baseband precoder is then used to refine the RF (analog) precoder…”
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Hybrid Precoding and Combining Strategy for MMSE-Based Rate Balancing in mmWave Multiuser MIMO Systems by Park, Woohyeong, Choi, Jihoon

“… of the baseband precoder. In addition…”
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On the MMSE‐based multiuser millimeter wave MIMO hybrid precoding design by Elmagzoub, Hisham M

“… On the basis of the MMSE‐based analog precoder design, the MMSE‐based digital baseband precoder can be readily derived…”
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Joint optimization of energy harvesting and data transmission in SWIPT-enabled hybrid precoding mmWave massive MIMO-NOMA systems by Ghamry, Walid K., Shukry, Suzan

“…The integration of millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems with non-orthogonal multiple access (NOMA) significantly…”
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Joint Transmit Precoding and Reconfigurable Intelligent Surface Phase Adjustment: A Decomposition-Aided Channel Estimation Approach by Zhou, Zhengyi, Ge, Ning, Wang, Zhaocheng, Hanzo, Lajos

“…Reconfigurable intelligent surfaces (RISs), consisting of many low-cost elements that reflect the incident waves by an adjustable phase shift, have attracted…”
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Robust and Feasible QoS-Aware mmWave Massive MIMO Hybrid Beamforming by Tajallifar, Mohsen, Sharafat, Ahmad R., Yanikomeroglu, Halim

“…Hybrid beamforming (HB) with quality-of-service (QoS) provisioning per stream in millimeter waves is indispensable in 5G/6G networks. HB includes baseband and…”
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Energy-Efficient Hybrid Symbol-Level Precoding for Large-Scale mmWave Multiuser MIMO Systems by Haqiqatnejad, Alireza, Kayhan, Farbod, Ottersten, Bjorn

“…, we consider a hybrid analog-digital architecture where a small-sized baseband precoder is followed by two successive…”
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Design Optimization for UAV Aided Sustainable 3D Wireless Communication at mmWaves by Varshney, Nancy, De, Swades

“…Unmanned aerial vehicles (UAVs) operating at different altitudes will be integral to the 5th generation and beyond (5G+) communication network to provide…”
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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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Low-complexity non-iterative hybrid precoding scheme for millimeter wave massive MIMO systems by Sharma, Neeraj, Gupta, Bhasker

“…Conventional multiple-input multiple-output (MIMO) systems operating at sub-6 GHz frequencies generally employ fully digital precoding which requires dedicated…”
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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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RF Beamforming and Subcarrier Allocation Using Beam Squint in mmWave Systems by Varshney, Nancy, De, Swades

“… Based on this observation, in this letter we propose a sub-array hybrid precoder design wherein we jointly estimate the RF precoder and subcarrier allocation and then design the baseband 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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