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   Articles with "multiuser" as a keyword



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A new flower pollination algorithm for equalization in synchronous DS/CDMA multiuser communication systems

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recommendations! Published in 2020 at "Soft Computing"

DOI: 10.1007/s00500-020-04725-x

Abstract: This work proposes a modified version of an emerging nature-inspired technique, named flower pollination algorithm, for equalizing digital multiuser channels. This equalization involves two different tasks: (1) estimation of the channel impulse response, and (2)… read more here.

Keywords: nature inspired; new flower; flower pollination; multiuser ... See more keywords
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Kalman Filter-Based Chip Differential Blind Adaptive Multiuser Detection for Variably Mobile Asynchronous Underwater Multiuser Communications

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recommendations! Published in 2018 at "IEEE Access"

DOI: 10.1109/access.2018.2868475

Abstract: To mitigate the inter-symbol interference (ISI), multiple access interference (MAI), and the effect of different Doppler shifts within a data package incurred in variably mobile asynchronous underwater multiuser communications (VMAUMC), a Kalman filter-based chip differential… read more here.

Keywords: blind adaptive; bamud algorithm; kalman filter; filter based ... See more keywords
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Toward Full-Immersive Multiuser Virtual Reality With Redirected Walking

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recommendations! Published in 2023 at "IEEE Access"

DOI: 10.1109/access.2023.3255006

Abstract: We are witnessing a surge in the popularity and mass-availability of Virtual Reality (VR) technology. Toward enhancing its maturity, current research is focusing on achieving continuous full immersiveness of the VR users during their experiences… read more here.

Keywords: rdw; multiuser; redirected walking; rdw algorithms ... See more keywords
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ASAA: Multihop and Multiuser Channel Hopping Protocols for Cognitive-Radio-Enabled Internet of Things

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recommendations! Published in 2023 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2022.3230702

Abstract: The devices of the Internet of Things (IoT) are integrated and interconnected by using the traditional wireless communication technology. The unavailability of spectrum sharing occurs in traditional wireless communication due to the presence of a… read more here.

Keywords: channel hopping; multiuser; multihop; cognitive radio ... See more keywords
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Multiuser Precoded MIMO Visible Light Communication Systems Enabling Spatial Dimming

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recommendations! Published in 2020 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2020.3003857

Abstract: In this article, a new indoor multiuser (MU) multiple-input–multiple-output (MIMO) visible light communication (VLC) system is proposed, where the dynamic range of the light emitting diodes (LED-DR) and illumination requirements are taken into consideration. Exploiting… read more here.

Keywords: multiuser; mimo visible; communication; light communication ... See more keywords
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Robust Beamforming Design for Secure Multiuser MISO Interference Channel

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recommendations! Published in 2017 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2016.2643159

Abstract: In this letter, we investigate the secure beamforming design for multiuser multiple-input single-output interference channel with an eavesdropper. The robust secrecy rate optimization problem is studied with the imperfect channel state information. We consider the… read more here.

Keywords: secure; multiuser; interference channel; beamforming design ... See more keywords
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Detection of Load-Modulated Multiuser MIMO Signals

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recommendations! Published in 2018 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2017.2771312

Abstract: A load modulated multiple-input multiple-output (MIMO) transmitter uses a single central power amplifier and tunes the antenna loads according to the information signal, eliminating the need for traditional radio frequency (RF) chains (consisting of DACs,… read more here.

Keywords: multiuser mimo; modulation; multiuser systems; mimo ... See more keywords
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Secrecy Throughput in Full-Duplex Multiuser MIMO Short-Packet Communications

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recommendations! Published in 2021 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2021.3066321

Abstract: In this letter, we consider the physical-layer security (PLS) in full-duplex (FD) multiuser multiple-input-multiple-output (MIMO) short-packet communications, where a base station (BS) transmits precoded signals for secure downlink multicast while receiving signals from uplink users.… read more here.

Keywords: full duplex; multiuser; secrecy throughput; mimo short ... See more keywords
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Hybrid Precoder Design With Minimum-Subspace-Distortion Quantization in Multiuser mmWave Communications

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recommendations! Published in 2020 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2020.3007265

Abstract: Hybrid precoding has been a promising technique in millimeter wave (mmWave) communications, providing a balanced tradeoff between system performance and hardware complexity. Existing hybrid precoding schemes either require full channel state information (CSI) or use… read more here.

Keywords: multiuser; mmwave communications; quantization; precoder ... See more keywords
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Energy Efficient Resource Allocation for Multiuser Relay Networks

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recommendations! Published in 2017 at "IEEE Transactions on Wireless Communications"

DOI: 10.1109/twc.2016.2641961

Abstract: In this paper, a novel resource allocation algorithm is investigated to maximize the energy efficiency (EE) in multiuser decode-and-forward (DF) relay interference networks. The EE optimization problem is formulated as the ratio of the spectrum… read more here.

Keywords: resource allocation; energy; relay; multiuser ... See more keywords
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Cross-layer framework for capacity analysis in multiuser ultra-dense networks with cell DTx

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recommendations! Published in 2019 at "China Communications"

DOI: 10.23919/jcc.2019.09.008

Abstract: Cell discontinuous transmission (Cell DTx) is a key technology to mitigate inter-cell interference (ICI) in ultra-dense networks (UDNs). The aim of this work is to understand the impact of Cell DTx on physical-layer sum rates… read more here.

Keywords: multiuser; cell dtx; layer; capacity ... See more keywords