Results 31 to 40 of about 4,393 (215)
Millimeter-Wave Hybrid Beamforming Based on Implicit Channel State Information [PDF]
Millimeter wave (mmWave) spectrum above 30 GHz offers us an opportunity to pursue high-data-rate transmission using a channel bandwidth up to several gigahertz. To provide reliable link quality in mmWave frequency bands, hybrid analog-digital beamforming
Chiang, Hsiao-Lan
core +2 more sources
Hybrid Beamforming for Active Sensing using Sparse Arrays [PDF]
This paper studies hybrid beamforming for active sensing applications, such as millimeter-wave or ultrasound imaging. Hybrid beamforming can substantially lower the cost and power consumption of fully digital sensor arrays by reducing the number of ...
Koivunen, Visa +2 more
core +1 more source
Near-Optimal Design for Hybrid Beamforming in mmWave Massive Multi-User MIMO Systems
Millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems can obtain sufficient beamforming gains to combat severe path loss in signal propagation. The hybrid (analog/digital) beamforming with multiple data streams can be utilized to
Yang Zhang +5 more
doaj +1 more source
Hybrid Beamforming for Millimeter-Wave Heterogeneous Networks [PDF]
Heterogeneous networks (HetNets) employing massive multiple-input multiple-output (MIMO) and millimeter-wave (mmWave) technologies have emerged as a promising solution to enhance the network capacity and coverage of next-generation 5G cellular networks ...
Mostafa Hefnawi
core +1 more source
Constrained Channel Decomposition-Based Hybrid Beamforming for mmWave Massive MIMO Systems
In this article, we propose a hybrid beamforming design for multiuser mmWave massive MIMO systems. We adopt a two-stage approach for designing the analog and digital beamforming separately. The analog beamforming design is based on a constrained low-rank
Guilherme Martignago Zilli, Wei-Ping Zhu
doaj +1 more source
Scheduling for MU-MIMO using Hybrid Beamforming based on DPC [PDF]
non
TRASPADINI, ALESSANDRO
core
Optimal Hybrid Beamforming Design for Millimeter-Wave Massive Multi-User MIMO Relay Systems
As a promising technology in the next generation mobile network, millimeter-wave (mmWave) communication can mitigate the spectrum crunch of improving the network capacity by exploiting the large underutilized spectrum bands of the mmWave frequencies. The
Yang Zhang +4 more
doaj +1 more source
Beamforming at millimeter-wave (mmWave) band, promises to significantly support 5G networks in achieving their performance goals. The conventional digital beamforming uses a separate RF chain for each antenna element, while it leads to high cost and ...
Abdul Haq Nalband +2 more
doaj +1 more source
Hybrid Beamforming for Multi-User Millimeter-Wave Heterogeneous Networks [PDF]
Millimeter-wave (mmWave) communications are a critical technique with next-generation network characteristics such as ultra-dense small cells can meet the skyrocketing demand for mobile data. Hybrid precoding, which combines analog and digital processing
Tao Chen, Zhannan Li
core +1 more source
Robust Hybrid Beamforming in Millimeter Wave Relay Networks With Imperfect CSI
Millimeter-wave (mmWave) communication offers rich spectrum resources and acts as a key enabling technology for future wireless communication systems. Hybrid (digital and analog) beamforming and relay techniques are important for mmWave implementations ...
Zhen Luo +3 more
doaj +1 more source

