Articles with "mimo systems" as a keyword



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Mutual information of massive MIMO systems on block Rayleigh-faded channels

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Published in 2018 at "Cluster Computing"

DOI: 10.1007/s10586-018-2509-0

Abstract: This paper presents mutual information achieved by a Massive multi-input multi-output (Ma-MIMO) systems on a block Rayleigh-fading Channels. Mutual information represents the highest achievable spectral efficiency (SE) in Ma-MIMO systems. Fast fading causes the loss… read more here.

Keywords: mutual information; mimo systems; block rayleigh; systems block ... See more keywords
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Antenna Selection in TDD Massive MIMO Systems

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Published in 2019 at "Mobile Networks and Applications"

DOI: 10.1007/s11036-019-01297-5

Abstract: Massive multiple-input multiple-output (MIMO) system installs a large number of antennas on base station, it requires one radio frequency (RF) chain for each antenna. When the number of antennas is small, the power consumption of the… read more here.

Keywords: system; mimo; massive mimo; number ... See more keywords
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BER minimisation via optimal power allocation and eigenbeamforming in MIMO systems

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Published in 2019 at "Telecommunication Systems"

DOI: 10.1007/s11235-018-0487-4

Abstract: In this contribution, the convex optimisation technique is deployed to optimize the data transmission in MIMO systems operating via eigenbeamforming. Initially, we study three optimal Power Allocation (PA) policies: the first one is used for… read more here.

Keywords: optimal power; mimo systems; power; power allocation ... See more keywords
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A 16 × 8 Hybrid Beamforming and Precoding Processor for 2D Planar Antenna Array in mmWave MIMO Systems

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Published in 2018 at "Journal of Signal Processing Systems"

DOI: 10.1007/s11265-017-1272-4

Abstract: In the next generation 5G mobile communication systems, the massive multiple-input multiple-output (MIMO) system uses large antenna arrays to improve transmission throughput and reliability. Millimeter wave (mmWave) is very suitable for massive MIMO systems because… read more here.

Keywords: array; mimo systems; antenna array; planar antenna ... See more keywords
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Analytical Approximation for Capacity in Massive MIMO Systems

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Published in 2017 at "Wireless Personal Communications"

DOI: 10.1007/s11277-017-4737-7

Abstract: In most existing research on massive multiple-input multiple-output (MIMO) systems, theoretical analysis relies on the assumption that the number of antennas at the base station is infinite. Under this assumption, channel vectors for different users… read more here.

Keywords: analytical approximation; massive mimo; channel; capacity massive ... See more keywords
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Energy- and spectral-efficiency of zero-forcing beamforming in massive MIMO systems with imperfect reciprocity calibration: bound and optimization

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Published in 2018 at "Science China Information Sciences"

DOI: 10.1007/s11432-018-9591-8

Abstract: In a time-division duplex (TDD) system with massive multiple input multiple output (MIMO), channel reciprocity calibration (RC) is generally required in order to cope with the reciprocity mismatch between the uplink and downlink channel state… read more here.

Keywords: energy; massive mimo; reciprocity; efficiency ... See more keywords
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Efficient and Reliable Modulation Classification for MIMO Systems

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Published in 2017 at "Arabian Journal for Science and Engineering"

DOI: 10.1007/s13369-017-2730-9

Abstract: In this paper, an efficient and reliable feature-fusion-based modulation classification (MC) algorithm for multiple-input multiple-output (MIMO) systems is developed. It uses two higher-order cumulants of the transmitted signal streams to classify a broad set of… read more here.

Keywords: modulation; fusion; modulation classification; efficient reliable ... See more keywords
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Discrete-Time Flatness-Based Control Design for LTV MIMO Systems

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Published in 2019 at "Arabian Journal for Science and Engineering"

DOI: 10.1007/s13369-018-3545-z

Abstract: This paper deals with the design of an linear time-varying (LTV) controller for multiple-input multiple-output (MIMO) systems. Using the concept of differential flatness property combined with a dead-beat observer, we propose as a result a… read more here.

Keywords: control; mimo systems; discrete time; flatness ... See more keywords
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Pseudo-PID Robust Tracking Design Method for a Significant Class of Uncertain MIMO Systems

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Published in 2017 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2017.08.307

Abstract: Abstract In this paper, for a significant class of uncertain MIMO systems, in particular for robots, new fundamental results are stated. These allow to design robust control laws without chattering, of pseudo-PID type, in order… read more here.

Keywords: significant class; uncertain mimo; class uncertain; mimo systems ... See more keywords
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Observer design for a large class of non-uniformly observable MIMO systems with uncertainties

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Published in 2017 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2017.08.648

Abstract: Abstract This paper is concerned with the design of an observer for a large class of non-uniformly observable MIMO systems, whose structure is not the classical triangular one. The main features allowing the construction of… read more here.

Keywords: observable mimo; class non; mimo systems; large class ... See more keywords
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Topology-Independent Robust Stability for Networks of Homogeneous MIMO Systems

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Published in 2020 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2020.12.1503

Abstract: Abstract We study dynamic networks described by a directed graph where the nodes are associated with MIMO systems with transfer-function matrix F(s), representing individual dynamic units, and the arcs are associated with MIMO systems with… read more here.

Keywords: mimo systems; topology independent; transfer function; stability ... See more keywords