Results 21 to 30 of about 438 (174)
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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Energy-Efficient Precoding Design for Multiuser MISO VLC Systems Based on Joint Detection
IEEE Access, 2019 In this paper, we study energy-efficient precoding techniques in multiuser multiple-input single-output (MISO) visible light communication (VLC) systems.
Zhen-Yu Wang, Hong-Yi Yu, Da-Ming Wang
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Rate-Maximizing Zero-Forcing Hybrid Precoder for MU-MISO-OFDM
IEEE Access, 2023 Hybrid precoders, consisting of an analog hardware-constrained part operating at radio frequency (RF) and a digital part operating at baseband, reduce the RF implementation complexity and power consumption of multi-antenna transceivers, at the expense of some rate loss compared to an all-digital precoder.
Sander Cornelis +2 more
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Improved Massive MIMO RZF Precoding Algorithm Based on Truncated Kapteyn Series Expansion
Information, 2019 In order to reduce the computational complexity of the inverse matrix in the regularized zero-forcing (RZF) precoding algorithm, this paper expands and approximates the inverse matrix based on the truncated Kapteyn series expansion and the corresponding ...
Xiaomei Xue +6 more
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A Low-Complexity Massive MIMO Precoding Algorithm Based on Chebyshev Iteration
IEEE Access, 2017 Precoding algorithm is used to transmit signals effectively and to reduce the interferences from other user terminals in the massive multiple-input-multiple-output (MIMO) systems. In order to decrease the computational complexity of the precoding matrix,
Chi Zhang +5 more
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Statistical CSI-Based Downlink Precoding for Multi-Beam LEO Satellite Communications
AerospaceWith the rapid development of low-Earth-orbit (LEO) satellite communications, multi-beam precoding has emerged as a key technology for improving spectrum efficiency.
Feng Zhu +3 more
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Energy-Efficient Zero-Forcing Precoding Design for Small-Cell Networks [PDF]
IEEE Transactions on Communications, 2016 We consider small-cell networks with multiple-antenna transceivers and base stations (BSs) cooperating to jointly design linear precoders to maximize the network energy efficiency, subject to a sum power and per-antenna power constraints at individual BSs, as well as user-specific quality of service (QoS) requirements.
Quang-Doanh Vu +3 more
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Dianxin kexue, 2016 In the massive MIMO system, the only full digital baseband precoding（FD-BP）scheme（such as full complexity zero forcing）requires the same number of radio frequency（RF）chains as the number of antenna elements, which leads to extreme high hardware cost, the
Shuai ZHANG +3 more
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Hierarchical Energy Efficient Hybrid Precoding for Configurable Sub-Connected MIMO Systems
IEEE Access, 2021 This paper proposed a configurable sub-connected architecture with a framework that dynamically activates the near-optimal subset of antennas and RF chains to implement energy-efficient hybrid precoding in millimeter wave multiple-input multiple-output ...
Xiang Li, Yang Huang, Wei Heng, Jing Wu
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Public Administration, EarlyView.ABSTRACT Coproduction is an established element in public service provision, linked to positive outcomes such as increased service quality and quantity. Realizing these outcomes requires skills and motivation from street‐level professionals and lay actors alike.
Rikke Kolding
wiley +1 more source