Výsledky vyhledávání - Baseband precoder and combined

Near-Optimal Hybrid Processing for Massive MIMO Systems via Matrix Decomposition Autor Ni, Weiheng, Dong, Xiaodai, Lu, Wu-Sheng

“…) chains of the traditional processing structure. The hybrid processing is realized through low-dimensional digital baseband processing combined with analog RF processing enabled by phase shifters…”
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Hybrid Multi-User Equalization and Analog Precoder for Uplink mm Wave Cell Free Systems Autor Kassam, J., Castanheira, D., Silva, A., Dinis, R., Gameiro, A.

“…In this paper, we propose a distributed hybrid analog-digital multi-user equalizer combined with an analog precoder for a wideband millimeter-wave (mmWave…”
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Hybrid precoding using long-term channel statistics for massive MIMO systems Autor Sungwoo Park, Jeonghun Park, Heath, Robert W., Yazdan, Ali

“… The proposed analog precoder is designed to maximize signal-to-leakage-plus-noise ratio (SLNR) when combined with a baseband precoder…”
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Downlink performance of hybrid precoding in massive MIMO systems subject to phase noise Autor Yu Zhang, Dongming Wang, Xinjiang Xia, Xiaohu You

“… (CCMs) of sparse massive MIMO channels. Additionally, we employ a CCM aided RF precoder combined with regularized zero-forcing (RZF…”
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Multi-layer beamforming in uplink/downlink massive MIMO Systems with multi-antenna users Autor Rezaei, Fatemeh, Tadaion, Aliakbar

“… Then, in the baseband, each user designs its precoder maximizing its effective signal power. Finally, the received signal at the BS is digitally combined with a regularized zero-forcing (RZF) filter…”
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Bayesian Learning-Based Doubly-Selective Sparse Channel Estimation for Millimeter Wave Hybrid MIMO-FBMC-OQAM Systems Autor Srivastava, Suraj, Singh, Prem, Jagannatham, Aditya K., Karandikar, Abhay, Hanzo, Lajos

“… Subsequently, a Bayesian learning (BL) technique is proposed for sparse channel estimation, which relies on multiple measurement vectors combined with selective subcarrier grouping for enhanced estimation…”
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MmWave Multiuser MIMO Precoding With Fixed Subarrays and Quantized Phase Shifters Autor Deng, Junquan, Tirkkonen, Olav, Studer, Christoph

“… We show that for zero forcing baseband precoding, analog precoder optimization becomes an eigenvalue maximization problem, which can be approximated efficiently by received power maximization…”
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A Family of Practical Hybrid Precoding Algorithms for Rank-Deficient Millimeter-Wave MIMO Systems Autor Qi, Xiaolei, Xie, Gang, Liu, Yuanan, Zhu, Ming

“… Many efficient HP schemes based on PCS have recently been proposed, which require that the baseband precoding (BP…”
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Centralized Hybrid Equalization for Cell Free mMIMO mmWave based Systems Autor Kassam, J., Castanheira, D., Silva, A., Dinis, R., Gameiro, A.

“… In this paper, we propose a low complexity analog precoder with a centralized hybrid analog-digital multi-user equalizer for millimeter-wave (mmWave) CF mMIMO systems…”
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Reduced-complexity downlink cell-free mmWave Massive MIMO systems with fronthaul constraints Autor Femenias, Guillem, Riera-Palou, Felip

“… This paper addresses the design and performance evaluation of the downlink segment of cell-free mmWave Massive MIMO system using hybrid precoders under the realistic assumption of capacity-constrained fronthaul links…”
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Hybrid precoding based on tensor decomposition for mmWave 3D-MIMO systems Autor Liu, Lu, Tian, Yafei

“… Combined with massive number of antennas, the throughput can be greatly improved but the computation complexity and power consumption can also be incredibly high…”
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Spatial Channel Covariance Estimation for the Hybrid MIMO Architecture: A Compressive Sensing-Based Approach Autor Park, Sungwoo, Heath, Robert W.

“… Spatial channel covariance estimation, however, is challenging for the hybrid MIMO architecture because the estimator operating at baseband can only obtain a lower dimensional pre-combined signal…”
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Near-Optimal Hybrid Processing for Massive MIMO Systems via Matrix Decomposition Autor Ni, Weiheng, Dong, Xiaodai, Wu-Sheng, Lu

“… The hybrid processing is performed through low-dimensional digital baseband processing combined with analog RF processing enabled by phase shifters…”
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Low Complexity Precoding Schemes for Massive Mimo Systems Autor Chen, Yulong

“…In order to deal with the challenges of the exponentially growing communication traffic and spectrum bands with wider bandwidth, massive MIMO technology was…”
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Beamforming in mmWave MIMO Systems Autor Jiang, Lisi

“…Future wireless communication systems are expected to have much higher mobility and data rate. To achieve these goals, millimeter-wave (mmWave) communication…”
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Performance Analysis of 6G Multiuser Massive MIMO-OFDM THz Wireless Systems with Hybrid Beamforming under Intercarrier Interference Autor Md Saheed Ullah, Zulqarnain Bin Ashraf, Sarker, Sudipta Chandra

“…) systems, THz MIMO precoding cannot be conducted totally at baseband using digital precoders due to the restricted number of signal mixers and analog-to-digital converters that can be supported due…”
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Spatial Channel Covariance Estimation for the Hybrid MIMO Architecture: A Compressive Sensing Based Approach Autor Park, Sungwoo, Heath, Robert W

“… Spatial channel covariance estimation, however, is challenging for the hybrid MIMO architecture because the estimator operating at baseband can only obtain a lower dimensional pre-combined signal…”
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Improved N-continuous OFDM for 5G Wireless Communications Autor Peng, Wei, Lilin Dan, Xiao, Yue, Xiang, Wei, Li, Shaoqian

“…N-continuous orthogonal frequency division multiplexing (NC-OFDM) is a promising technique to obtain significant sidelobe suppression for baseband OFDM signals, in future 5G wireless communications…”
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