Suchergebnisse - analogue radio-frequency precoder

Two-stage BFGS-based hybrid precoding for mmWave multiuser MIMO systems von 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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Optimal Analog Precoder Design for Hybrid Beamforming is Possible von Lv, Jiaen, Wang, Tianyu, Wang, Shaowei

“… Hybrid beamforming is a cost-effective solution for millimeter wave massive multiple-input-multiple-output communications, which highly reduces the number of required radio frequency chains by jointly …”
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Channel estimation and MIMO combining architecture in millimeter wave cellular system with few ADC bits von 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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Statistically-Aided Codebook-Based Hybrid Precoding for Millimeter Wave Channels von Shaban, Ahmed Wagdy, Damen, Oussama, Xin, Yan, Au, Edward

“… Particularly, we develop novel low-overhead hybrid precoding algorithms for selecting the baseband digital and radio frequency analog precoders from statistically skewed DFT-based codebooks …”
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Realizing Fully Digital Precoders in Hybrid A/D Architecture With Minimum Number of RF Chains von Morsali, Alireza, Haghighat, Afshin, Champagne, Benoit

“… In this letter, the minimum number of required radio frequency (RF) chains for realizing any MIMO fully digital precoder (FDP …”
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Rate-maximizing zero-forcing hybrid precoder for MU-MISO-OFDM von Cornelis, Sander, Noels, Nele, Moeneclaey, Marc

“… Hybrid precoders, consisting of an analog hardware-constrained part operating at radio frequency (RF …”
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A Novel Hybrid Precoder with Low-Resolution Phase Shifters and Fronthaul Capacity Limitation von Ramezani, Parisa, Kosasih, Alva, Bjornson, Emil

“… Hybrid analog-digital architectures provide a practical alternative by reducing the number of radio frequency (RF …”
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Joint optimization of energy harvesting and data transmission in SWIPT-enabled hybrid precoding mmWave massive MIMO-NOMA systems von 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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Low-complexity Hybrid Beamforming for MMSE-based Symbol-level Precoding in Multi-user MISO System von Lee, Jaewon, Kang, Chung G.

“… served over the same channel resources. This paper attempts at the end-to-end joint design of hybrid symbol-level precoder, which deals with a flexible form of constructive interference region, while allowing for multi-level constellations …”
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CNN-Based Precoder and Combiner Design in mmWave MIMO Systems von 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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Hybrid Precoder and Combiner Design With Low-Resolution Phase Shifters in mmWave MIMO Systems von 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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Joint Antenna Selection and Analog Precoder Design With Low-Resolution Phase Shifters von Li, Hongyu, Liu, Qian, Wang, Zihuan, Li, Ming

“… Analog precoder was introduced recently to millimeter wave (mmWave) systems with large-scale antenna arrays as a promising hardware-efficient transceiver architecture …”
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Wideband Cell-Free mmWave Massive MIMO-OFDM: Beam Squint-Aware Channel Covariance-Based Hybrid Beamforming von Femenias, Guillem, Riera-Palou, Felip

“… Single and double phase shifter-based analog radio frequency (RF) precoder/combiner strategies are proposed that are based on dissimilar beam squint awareness assumptions …”
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Analog Precoding Designs for Millimeter Wave Communication Systems von Wang, Ye, Zou, Weixia, Tao, Yunzheng

“… Therefore, analog radio frequency signal processing is introduced to simplify the architecture of precoder …”
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Dictionary-free hybrid precoders and combiners for mmWave MIMO systems von Mendez-Rial, Roi, Rusu, Cristian, Gonzalez-Prelcic, Nuria, Heath, Robert W.

“… Analog networks of phase shifters have been proposed to implement the radio frequency precoders, since they achieve a good compromise between complexity and performance …”
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Energy-Efficient MU-Massive-MIMO Hybrid Precoder Design: Low-Resolution Phase Shifters and Digital-to-Analog Converters for 2D Antenna Array Structures von Mahmood, Mobeen, Koc, Asil, Le-Ngoc, Tho

“… (PSs) and digital-to-analog converters (DACs). The proposed HP approach involves two stages …”
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Joint User Selection and Hybrid Precoder Design for Massive MIMO Systems von Vaezy, Hossein, D. Blostein, Steven

“… and hybrid analog/digital precoder design. The total sum rate of the network …”
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Energy-Efficient Hybrid Precoder With Adaptive Overlapped Subarrays for Large-Array mmWave Systems von Guo, Ji-Chong, Yu, Qi-Yue, Meng, Wei-Xiao, Xiang, Wei

“… This paper first presents a flexible adaptive overlapped subarray (OSA) architecture for the analog precoder, whose architecture can be adjusted by a connection network …”
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Hybrid Precoder Design for Angle-of-Departure Estimation With Limited-Resolution Phase Shifters von Huang, Huiping, Furkan Keskin, Musa, Wymeersch, Henk, Cai, Xuesong, Wu, Linlong, Thunberg, Johan, Tufvesson, Fredrik

“… Our goal is to design a radio-frequency (RF) precoder and a base-band (BB) precoder to estimate AoD of the user with high accuracy …”
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Efficient Codebook-Based Beamforming Algorithm for Millimeter-Wave Massive MIMO Systems von Chen, Jung-Chieh

“… To avoid accurate estimation of the channel, a codebook-based technique is widely used in analog beamforming components, wherein a transmitter and receiver jointly examine an analog precoder …”
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