Results 101 to 110 of about 2,907 (204)
Phase-level synchronization for physical-layer network coding [PDF]
, 2012 Physical-layer network coding (PNC) brings throughput improvement for wireless networks. However, its synchronization requirement is widely recognized as an obstacle to its implementation.
Song, Q +7 more
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Vector modulators for analog-beamforming receivers
, 2010 This work focuses on new architectures for analog-beamforming receivers. In recent years, the drive for wireless communication techniques that can accomodate more users, provide higher data rates, and facilitate more reliable connections has generated a ...
Tseng, Richard Y.
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Hybrid digital and analog beamforming design using genetic algorithms
Hybrid analog and digital beamforming is gaining attention for its practical application in large-scale antenna systems. It offers significant cost savings, reduced complexity, and lower power consumption compared to entirely digital beamforming, all ...
Bahri, Sidi Mohammed +1 more
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Hybrid analog-digital beamforming for massive MIMO systems
, 2023 Geliştirilmiş verim ve artırılmış spektrum verimliliği (SE) sunmak için verici uçta ve alıcı uçta çok miktarda anten dağıtan devasa çoklu giriş çoklu çıkış (MIMO), dünyanın gelecekteki kablosuz iletişim sistemlerinin gereksinimlerini karşılayan umut ...
Husseın, Abdırahman Abdıkarım
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User-Directed Analog Beamforming for Multiuser Millimeter-Wave Hybrid Array Systems [PDF]
, 2017 © 2017 IEEE. Beamforming design for millimeter-Wave hybrid array with the subarray structure is very challenging. There is neither known optimal solution that maximizes the sum rate capacity nor near-optimal solution.
Guo, YJ +9 more
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Analog-only beamforming for near-field multiuser MIMO communications
Frontiers of Information Technology & Electronic EngineeringFor the existing near-field multiuser communications based on hybrid beamforming (HBF) architectures, high-quality effective channel estimation is required to obtain the channel state information (CSI) for the design of the digital beamformer. To simplify the system reconfiguration and eliminate the pilot overhead required by the effective channel ...
Ying Wang 0136, Chenhao Qi 0001
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Analog Beamforming in Millimeter Wave MIMO Systems
International Journal of Innovative Technology and Exploring Engineering, 2020 In traditional analog beamforming schemes, like the beam selection method, use the strongest path array steering vector of the channel to generate a beam pointing to the user. In multi-user systems, such schemes will result in the large interference among the users, especially when the users are closely located.
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IEEE AccessIn the future of 5G/6G wireless systems, microwave photonic signal processing will outperform conventional electronic techniques owing to its ultra-wide bandwidth (GHz to THz), low-loss fiber transmission, and tolerance to electromagnetic interference ...
Fekadu Mihret Geremew +1 more
doaj +1 more source
Due to the severe pathloss experienced by electromagnetic wave transmission in the mmWave band, one challenge for the design of millimeter wave (mmWave) communication systems is coverage extension.
Liu, An +5 more
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Spatial Chirp-Based Optimization for Analog Beamforming in Line-of-Sight Terahertz Ultra-Wideband Phased Tx Array Systems [PDF]
THz ultra-wideband wireless communication is emerging as a critical technology for future 6G networks, due to its vast untapped frequency spectrum. The use of phased antenna arrays is highly effective in mitigating the significant attenuation of THz ...
Zhang, L., Fan, P., Chen, X.
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