Search Results - analog precoder and combiner*

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…”
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Hybrid Precoder and Combiner Design With Low-Resolution Phase Shifters in mmWave MIMO Systems by Wang, Zihuan, Li, Ming, Liu, Qian, Swindlehurst, A. Lee

“… advances in providing orders-of-magnitude wider bandwidth than current wireless networks. Economical and energy-efficient analog/digital hybrid precoding and combining transceivers…”
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Iterative hybrid precoder and combiner design for mmWave MIMO-OFDM systems by 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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STAR-RIS-Assisted Hybrid MIMO mmWave Communications by Yang, Xiawei, Liu, Heng, Gong, Shiqi, Wang, Gongpu, Xing, Chengwen

“… T&R coefficients at the STAR-RIS and the hybrid analog-digital precoder/combiners, subject to the discrete phase shift constraints…”
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Hybrid precoder and combiner design with finite resolution PSs for mmWave MIMO systems by Zhang, Ran, Zou, Weixia, Wang, Ye, Cui, Mingyang

“… We employ alternate optimization as the main strategy to jointly design analog precoder and combiner…”
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Joint hybrid precoder and combiner design for multi-stream transmission in mmWave MIMO systems by Li, Ming, Wang, Zihuang, Tian, Xiaowen, Liu, Qian

“… The authors propose to jointly select an analogue precoder and combiner pair for each data stream successively…”
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Hybrid beamforming for downlink multiuser millimetre wave MIMO-OFDM systems by Zhang, Didi, Wang, Yafeng, Li, Xuehua, Xiang, Wei

“…) a common analogue precoder and combiner for the transmitter and receiver to maximise spectral efficiency is the main challenge for multi-carrier MIMO systems, they propose two methods to solve this problem…”
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Near-Optimal Designs of Hybrid Precoding and Combining for Massive MIMO Systems From Lattice Decoding by 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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Majorization-Minimization Aided Hybrid Transceivers for MIMO Interference Channels by Gong, Shiqi, Xing, Chengwen, Lau, Vincent K. N., Chen, Sheng, Hanzo, Lajos

“…) interference channels at both millimeter wave (mmWave) and microwave frequencies. Firstly, a heuristic joint design of hybrid precoder and combiner using alternating optimization is proposed, in which the majorization-minimization (MM…”
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Iterative Hybrid Precoder and Combiner Design for mmWave Multiuser MIMO Systems by Wang, Zihuan, Li, Ming, Tian, Xiaowen, Liu, Qian

“…This letter investigates analog/digital hybrid precoder and combiner design for millimeter wave (mmWave…”
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Bat algorithm–based beamforming for mmWave massive MIMO systems by 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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Joint Hybrid Precoder and Combiner for Wideband Millimeter-Wave Massive MIMO Systems by Mir, Talha, Abbasi, Ubaid, Ali, Raza, Hussain, Syed Mudassir, Mir, Usama

“…) massive multiple-input multiple-output (MIMO) systems. In wideband mmWave channels, the analog precoder and combiner is designed in the time domain and remain unchanged over the whole bandwidth…”
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Improved Hybrid Precoder Design for Secure mmWave MIMO Communications by Kabalci, Yasin, Ali, Muhammad

“… and combiner algorithms and improve the secrecy rate. Moreover, in order to further enhance the secrecy rate, hybrid precoder are obtained using an efficient channel…”
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Low Complexity Hybrid Precoder and Combiner Design for mmWave MIMO Systems by Zhang, Ran, Zou, Weixia, Cui, Mingyang

“… We propose a low complexity algorithm, which jointly designs analog precoder and combiner by phase extraction method, to maximize spectral efficiency…”
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Secrecy rate analysis of hybrid precoders for mmWave communication systems by 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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Hybrid Precoder and Combiner Design with Low Resolution Phase Shifters in mmWave MIMO Systems by Wang, Zihuan, Li, Ming, Liu, Qian, A Lee Swindlehurst

“… advances in providing orders-of-magnitude wider bandwidth than current wireless networks. Economical and energy efficient analog/digial hybrid precoding and combining transceivers have been often proposed for mmWave massive multiple-input multiple-output (MIMO…”
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Unsupervised Learning Based Hybrid Beamforming with Low-Resolution Phase Shifters for MU-MIMO Systems by 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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Closed-Form Hybrid Beamforming Solution for Spectral Efficiency Upper Bound Maximization in mmWave MIMO-OFDM Systems by 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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Turbo-Like Beamforming Based on Tabu Search Algorithm for Millimeter-Wave Massive MIMO Systems by Gao, Xinyu, Dai, Linglong, Yuen, Chau, Wang, Zhaocheng

“… However, conventional beamforming schemes involve complicated search among predefined codebooks to find out the optimal pair of analog precoder and analog combiner…”
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CNN-Based Precoder and Combiner Design in mmWave MIMO Systems by Elbir, Ahmet M.

“… (CNN) framework for the joint design of precoder and combiners. The proposed network accepts the input of channel matrix and gives the output of analog and baseband beamformers…”
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