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On Optimal Power Allocation for Downlink Non-Orthogonal Multiple Access Systems
Non-orthogonal multiple access (NOMA) enables power-domain multiplexing via successive interference cancellation (SIC) and has been viewed as a promising technology for 5G communication. The fullExpand
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Energy-Efficient Resource Allocation in OFDM Systems With Distributed Antennas
In this paper, we develop an energy-efficient resource-allocation scheme with proportional fairness for downlink multiuser orthogonal frequency-division multiplexing (OFDM) systems with distributedExpand
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Efficient architecture for soft-output massive MIMO detection with Gauss-Seidel method
In massive multiple-input multiple-output (MIMO) uplink, the minimum mean square error (MMSE) algorithm is near-optimal and linear, but still suffers from high-complexity of matrix inversion. BasedExpand
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Energy-Efficient Joint Resource Allocation and Power Control for D2D Communications
In this paper, joint resource allocation and power control for energy-efficient device-to-device (D2D) communications underlaying cellular networks are investigated. The resource and power areExpand
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Mutual Coupling Calibration for Multiuser Massive MIMO Systems
Massive multiple-input multiple-output (MIMO) is a promising technique to greatly increase the spectral efficiency and may be adopted by the next generation mobile communication systems. BaseExpand
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Narrowband Wireless Access for Low-Power Massive Internet of Things: A Bandwidth Perspective
LPWAN is a type of wireless telecommunication network designed to allow long range communications with relaxed requirements on data rate and latency between the core network and a high-volume ofExpand
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Energy Efficiency and Spectral Efficiency Tradeoff in Downlink Distributed Antenna Systems
This letter investigates the tradeoff between energy efficiency (EE) and spectral efficiency (SE) in downlink multiuser distributed antenna systems (DAS). Given the SE requirement and maximum powerExpand
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Spectral Efficiency of Distributed MIMO Cellular Systems in a Composite Fading Channel
In this paper, accurate approximations of the spectral efficiency are presented for co-located multiple-input multiple-output (C-MIMO) and distributed MIMO (D-MIMO) cellular systems in the compositeExpand
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Energy-Efficient Resource Allocation in Coordinated Downlink Multicell OFDMA Systems
In this paper, a resource allocation algorithm for maximizing the energy efficiency (EE) is studied in multicell orthogonal frequency-division multiple-access (OFDMA) wireless networks. The resourceExpand
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Parallel Weighted Bit-Flipping Decoding
A parallel weighted bit-flipping (PWBF) decoding algorithm for low-density parity-check (LDPC) codes is proposed. Compared to the best known serial weighted bit-flipping decoding, the PWBF decodingExpand
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