Výsledky vyhledávání - "analog precoder and combiner"

Channel estimation and MIMO combining architecture in millimeter wave cellular system with few ADC bits Autor 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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Hybrid Precoder and Combiner Design With Low-Resolution Phase Shifters in mmWave MIMO Systems Autor Wang, Zihuan, Li, Ming, Liu, Qian, Swindlehurst, A. Lee

“…Millimeter-wave (mmWave) communications have been considered as a key technology for next-generation cellular systems and Wi-Fi networks because of its…”
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Majorization-Minimization Aided Hybrid Transceivers for MIMO Interference Channels Autor Gong, Shiqi, Xing, Chengwen, Lau, Vincent K. N., Chen, Sheng, Hanzo, Lajos

“…The potential of deploying large-scale antenna arrays in future wireless systems has stimulated extensive research on hybrid transceiver designs aiming to…”
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Iterative hybrid precoder and combiner design for mmWave MIMO-OFDM systems Autor Li, Ming, Liu, Wenfei, Tian, Xiaowen, Wang, Zihuan, Liu, Qian

“…) orthogonal frequency division multiplexing (OFDM) systems operating in millimeter-wave (mmWave) bands. We propose a novel iterative scheme to design the codebook-based analog precoder and combiner in forward and reverse channels…”
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Unsupervised Learning Based Hybrid Beamforming with Low-Resolution Phase Shifters for MU-MIMO Systems Autor Kuo, Chia-Ho, Chang, Hsin-Yuan, Chang, Ronald Y., Chung, Wei-Ho

“… In this paper, we propose an unsupervised-learning-based scheme to jointly design the analog precoder and combiner with low-resolution PSs for multiuser multiple-input multiple-output (MU-MIMO) systems…”
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Near-Optimal Designs of Hybrid Precoding and Combining for Massive MIMO Systems From Lattice Decoding Autor Lu, Hsiao-feng

“…Near-optimal designs consisting of a pair of finite resolution analog precoder and combiner and a baseband encoder for hybrid massive MIMO communication systems are proposed in this paper…”
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Secure Hybrid Beamformers Design in mmWave MIMO Wiretap Systems Autor Tian, Xiaowen, Liu, Qian, Wang, Zihuan, Li, Ming

“…Millimeter wave (mmWave) communications have been considered as a key technology to enable very high data rate in the fifth-generation applications…”
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Partially-Connected Hybrid Beamforming for Spectral Efficiency Maximization via a Weighted MMSE Equivalence Autor Zhao, Xingyu, Lin, Tian, Zhu, Yu, Zhang, Jun

“…Hybrid beamforming (HBF) is an attractive technology for practical massive multiple-input and multiple-output (MIMO) millimeter wave (mmWave) systems. Compared…”
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JOPCNN-based hybrid precoding/combining algorithm for millimeter wave communication systems Autor Liu, Fulai, Cao, Hong, Wu, Yuchen, Shi, Baozhu, Du, Ruiyan

“… In the proposed algorithm, a JOPCNN framework is constructed to obtain the optimal analog precoder and combiner…”
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Energy-Efficient Transceiver Design for Hybrid Sub-Array Architecture MIMO Systems Autor He, Shiwen, Qi, Chenhao, Wu, Yongpeng, Huang, Yongming

“…Millimeter-wave (mmWave) communication operated in frequency bands between 30 and 300 GHz has attracted extensive attention due to the potential ability of…”
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Bat algorithm–based beamforming for mmWave massive MIMO systems Autor Shahjehan, Waleed, Riaz, Asad, Khan, Imran, Sadiq, Ali Safaa, Khan, Suleman, Khan, Muhammad Khurram

“… This scheme aims to achieve the near‐optimal performance.by searching for the optimized combination of analog precoder and combiner…”
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A Joint Hybrid Precoding/Combining Scheme Based on Equivalent Channel for Massive MIMO Systems Autor Wang, Shiguo, Li, Zhetao, He, Mingyue, Jiang, Tao, Ruby, Rukhsana, Ji, Hong, Leung, Victor C. M.

“…Due to its inherent ability in reducing hardware cost and power consumption while maintaining high system capacity, hybrid precoding is deemed as one of the…”
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Hybrid Beamforming via Fourth-Order Tucker Decomposition for Multiuser Millimeter-Wave Massive MIMO Systems Autor Dong, Haiyang, Dou, Zheng

“… To tackle the non-convexity induced by constant modulus constraints, the analog precoder and combiner are derived by solving a truncated-rank Tucker decomposition problem through the Alternating…”
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Alternating Optimization Based Hybrid Transceiver Designs for Wideband Millimeter-Wave Massive Multiuser MIMO-OFDM Systems Autor Yuan, Minghao, Wang, Hua, Yin, Hao, He, Dongxuan

“…Hybrid precoding has been considered as a promising technology for millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems, since it can…”
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Hybrid Analog and Digital Precoding Design for Minimum BER in Massive MIMO System Autor Li, Junjie, Zhao, Lei, Jiang, Yuan

“…Hybrid analog and digital precoding technology has been widely investigated recently in massive multiple-input multiple-output (mMIMO) systems as…”
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Closed-Form Hybrid Beamforming Solution for Spectral Efficiency Upper Bound Maximization in mmWave MIMO-OFDM Systems Autor Ma, Mengyuan, Thanh Nguyen, Nhan, Juntti, Markku

“… However, in mmWave MIMO orthogonal frequency-division multiplexing (MIMO-OFDM) systems, hybrid beamforming design is challenging because the analog precoder and combiner are required to be shared across the whole employed bandwidth…”
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Hybrid Beamforming Design for mmWave Joint Unicast and Multicast Transmission Autor Wang, Jun, Xu, Hongbo, Zhu, Bingru, Fan, Lvrong, Zhou, Aizhi

“… The analog precoder and combiner are first optimized to maximize the effective channel gains…”
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On the Spectral-Efficiency of Low-Complexity and Resolution Hybrid Precoding and Combining Transceivers for mmWave MIMO Systems Autor Uwaechia, Anthony Ngozichukwuka, Mahyuddin, Nor Muzlifah, Ain, Mohd Fadzil, Abdul Latiff, Nurul Muazzah, Za'bah, Nor Farahidah

“…-) resolution phase shifters to realize the analog precoder and combiner pair which results in high hardware cost and power consumption…”
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Secrecy rate analysis of hybrid precoders for mmWave communication systems Autor Kabalci, Yasin, Ali, Muhammad

“…Millimeter-wave (mmWave) communication systems are realized to play a key role in next-generation communication systems to achieve high data rate requirements,…”
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Low Complexity Joint Hybrid Precoding Algorithm for Millimeter Wave MIMO Systems Autor Cui, Mingyang, Zou, Weixia, Wang, Ye, Zhang, Ran

“… First, the analog precoder and combiner are obtained by iterative updating using the coordinate descent method…”
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