Results 31 to 40 of about 1,839 (179)
Design of hybridly-connected hybrid precoding in millimeter-wave massive MIMO system
Tongxin xuebao, 2020 In order to improve the spectral efficiency of hybridly-connected hybrid precoding,the optimal hybrid precoding matrix under the ideal conditions was firstly obtained by using the principle of successive interference cancellation (SIC).Secondly,the ...
Hongyu ZHAO, Hongyan YAO
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Spectrally Precoded OFDM [PDF]
IEEE Transactions on Communications, 2006 By bilinearly transforming the rectangularly pulsed multicarrier basis signals, new basis sets containing full-response continuous basis signals are developed for constructing spectrally efficient orthogonal frequency-division multiplexing (OFDM) signals with or without cyclic prefix (CP) or zero padding (ZP).
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IEEE Access, 2019 In this paper, we investigate the spectral efficiency (SE) and energy efficiency (EE) of hybrid precoding in the point-to-point mmWave massive multiple-input multiple-output (MIMO) system with low-resolution analog-to-digital converters (ADCs) and ...
Qingfeng Ding, Yuqian Deng, Xinpeng Gao
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On Convolutional Precoding in PAC Codes [PDF]
2021 IEEE Globecom Workshops (GC Wkshps), 2021 Polarization-adjusted convolutional (PAC) codes are special concatenated codes in which we employ a one-to-one convolutional transform as a precoding step before the polar transform. In this scheme, the polar transform (as a mapper) and the successive cancellation process (as a demapper) present a synthetic vector channel to the convolutional ...
Mohammad Rowshan, Emanuele Viterbo
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Hybrid precoding method for mmWave MIMO systems based on limited feedback
Dianxin kexue, 2018 A hybrid precoding algorithm for millimeter wave (mmWave) MIMO systems without knowledge of channel state information at the transmitter was proposed based on the limited feedback.Specifically, the joint optimization problem of analog precoding and ...
Ruonan YOU +3 more
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A Low Complexity Precoding Algorithm Based on Parallel Conjugate Gradient for Massive MIMO Systems
IEEE Access, 2018 Linear precoding algorithms with low complexity in massive multi-in multi-out system have always been a hot research topic to solve the problem of inter-cell interference. In this paper, we proposed a conjugate gradient-based regularized zero-forcing (CG-
Geng Chen +3 more
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Hardware-Efficient Hybrid Precoding for Millimeter Wave Systems With Multi-Feed Reflectarrays
IEEE Access, 2018 Current hybrid precoding schemes for large-scale antenna array-aided millimeter wave (mmWave) wireless systems adopt either full-connected or sub-connected architectures based on phased array antennas (PAAs).
Zhengyi Zhou +3 more
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IEEE Access, 2020 For massive multiple-input multiple-output (MIMO) systems, linear precoding is preferable to nonlinear precoding for better performance-complexity trade-off.
Qian Deng +5 more
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Hybrid precoding method for mmWave massive MIMO systems based on LFM
Dianxin kexue, 2019 Analog-digital hybrid precoding is a key technology for millimeter wave massive MIMO systems that reduce hardware costs while balancing system performance.However,the traditional hybrid precoding scheme often needed to find a suitable codebook for ...
Haoyi CHEN, Yifan DING, Ying CHENG
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The Improved Precoding Method in the VLC-Based Intelligent Transportation System
Journal of Advanced Transportation, 2022 Visible light communication (VLC) transmission system, combined with lighting and communication, has a great application value in the field of intelligent transportation.
Shilin li +3 more
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