LAUSR: sum rate

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Ergodic Sum Rate Evaluation of Cellular Multiuser Two-Way Relaying with Beamforming and Antenna Selection Over Nakagami-m Fading

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0 Published in 2017 at "Wireless Personal Communications"

DOI: 10.1007/s11277-016-3795-6

Abstract: In this paper, we evaluate the ergodic sum rate (ESR) performance of cellular multiuser two-way relaying networks (CMTWRNs), where a multiantenna base station (BS) exchanges information bidirectionally with one of the several single-antenna mobile stations… read more here.

Keywords: sum rate; two way; ergodic sum; cellular multiuser ... See more keywords

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Impact of clipping noise on the sum rate of NOMA with PD-DCO-OFDM and conventional DCO-OFDM

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0 Published in 2020 at "Heliyon"

DOI: 10.1016/j.heliyon.2020.e03363

Abstract: sIn visible light communication (VLC) systems, a non-orthogonal multiple access (NOMA) scheme is deemed promising technology to offer better spectral efficiency than the Orthogonal multiple access (OMA) scheme. The feasibility of power domain NOMA for… read more here.

Keywords: sum rate; dco ofdm; noma dco;

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Relay selection and power allocation for secrecy sum rate maximization in underlying cognitive radio with cooperative relaying NOMA

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0 Published in 2021 at "Neurocomputing"

DOI: 10.1016/j.neucom.2020.08.082

Abstract: Abstract Cooperative communication that integrates cognitive radio and non-orthogonal multiple access is recognized as an emerging technology for fifth-generation and beyond wireless networks. However, security is still a critical issue because of the risk that… read more here.

Keywords: sum rate; relay; secrecy sum; rate ... See more keywords

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Resource Allocation for Weighted Sum-Rate Maximization in Multi-User Full-Duplex Device-to-Device Communications: Approaches for Perfect and Statistical CSIs

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0 Published in 2017 at "IEEE Access"

DOI: 10.1109/access.2017.2751084

Abstract: In this paper, we investigate the resource allocation problem for multi-user full-duplex device-to-device (D2D) underlay communication, considering both perfect channel state information (CSI) and statistical CSI scenarios. In perfect CSI scenario, the weighted sum-rate maximization… read more here.

Keywords: sum rate; resource allocation; allocation; problem ... See more keywords

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Hybrid Beamforming for Sum Rate Maximization in Wideband Multi-User MIMO Relay Systems

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1 Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3128570

Abstract: Hybrid precoding has a great potential to achieve near-optimal performance with few radio-frequency (RF) chains in comparison to the number of antennas. This paper proposes a novel hybrid beamforming solution for sum rate maximization in… read more here.

Keywords: hybrid beamforming; rate maximization; maximization; sum rate ... See more keywords

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Achieving the Sum Rate Capacity of MIMO Downlink Communications With Better Fairness

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1 Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3132937

Abstract: Transmission schemes taking both sum rate and fairness into account for dirty paper coding (DPC) based MIMO downlink communications are investigated in this paper. In contrast to existing works which have mostly focused on maximizing… read more here.

Keywords: sum rate; rate capacity; fairness; rate ... See more keywords

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Sum-Rate Maximization in IRS-Assisted Wireless Power Communication Networks

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0 Published in 2021 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2021.3072987

Abstract: Wireless-powered communication networks (WPCNs) are a promising technology supporting resource-intensive devices in the Internet of Things (IoT). However, their transmission efficiency is very limited over long distances. The newly emerged intelligent reflecting surface (IRS) can… read more here.

Keywords: power; time allocation; sum rate; communication networks ... See more keywords

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Device Selection and Beamforming Optimization in Large-Scale mmWave IoT Networks

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1 Published in 2022 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2022.3196683

Abstract: The joint provision of higher data rates and massive Internet of Things (IoT) connectivity has been identified as one of the key milestones toward beyond 5G (B5G). To this end, we investigate the issue of… read more here.

Keywords: selection beamforming; device selection; large scale; beamforming optimization ... See more keywords

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Sum-Rate Maximization in IRS-Assisted Wireless-Powered Multiuser MIMO Networks With Practical Phase Shift

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2 Published in 2023 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2022.3216449

Abstract: The newly emerging intelligent reflecting surface (IRS) with large-scale passive reflecting elements has great potentials to enhance the performance of wireless-powered Internet of Things (IoT) networks, by manipulating the wireless channel. However, most of the… read more here.

Keywords: wireless; phase shift; beamforming; passive beamforming ... See more keywords

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Coordinated Sum-Rate Maximization in Multicell MU-MIMO With Deep Unrolling

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1 Published in 2022 at "IEEE Journal on Selected Areas in Communications"

DOI: 10.1109/jsac.2023.3242716

Abstract: Coordinated weighted sum-rate maximization in multicell MIMO networks with intra- and intercell interference and local channel state at the base stations is recognized as an important yet difficult problem. A classical, locally optimal solution is… read more here.

Keywords: wmmse; maximization multicell; multicell mimo; rate maximization ... See more keywords