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541
Novel antenna selection algorithm for STBC and VBLAST hybrid coding systems
Published 2009-01-01“…Employing the Alamouti STBC code for some VBLAST layers, the STBC and VBLAST hybrid coding MIMO system has the advantages of both STBC and VBLSAT. …”
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542
Performance Comparison Between Ray Tracing Channel Model and IEEE 802.11ad Channel Model in 60 GHz Band
Published 2015-12-01“…Now millimeter wave communication and large scale MIMO, 3D MIMO technology have become the research hotspot in the field of mobile communication. …”
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543
Multi-Input-Multi-Output Continuous Swept-Sine Vibration Test Realization by Inverse Multistep Prediction Model
Published 2020-01-01“…As frequency-varying sine excitations in rotating machines are always emerging during run-ups and shutdowns, the multi-input-multi-output (MIMO) swept-sine test is of utter significance in product validation. …”
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544
Diversity and multiplexing based on GMD algorithm
Published 2007-01-01“…The GMD-VBLAST algorithm to treat with the MIMO systems was analyzed,where the channel information at both transmitter and receiver were known.It decomposed a MIMO channel into multiple identical parallel subchannels and provided more convenient for coding/decoding schemes,which was different from conventional SVD method.The diversity and multiplexing tradeoff curve was achieved in the case of high SNR and compared with the optimal tradeoff curve and others VBLAST schemes’.The results showed that this scheme is suboptimal to the optimal but superior to the other VBLAST schemes’.…”
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545
Requiem – Alàgbà, Dr., Prince, Mosọbalájé Ajíbádé Àkàndé Adébáyọ̀ Fálétí, OON, DLitt., FNAL, JP, a.k.a ‘Pa Fálétí’ to Some; ‘Bàbá Fálétí’ to all and Sundry....
Published 2021-12-01“…The progression from ‘Knowing of a person’ (mímọ ẹnì kan); ‘knowing something about that person’ (mímọ nǹkan nípa ẹni náà, mímọ ẹni náà); to ‘knowing that person well, personally’ (mímọ ènìyàn náà dáadáa) describes the various levels and depths of measuring knowledge of and/or familiarity with that person. …”
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546
Design of a Novel Superwideband Dual Port Antenna with Second-Order Hilbert Branches and a Modified T-Decoupling Structure
Published 2023-01-01“…Two SWB antenna units are placed symmetrically on FR4 dielectric substrate to form the SWB-MIMO (multiple-in multiple-out) antenna. Two second-order Hilbert branches expand the wideband of the SWB-MIMO antenna. …”
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547
The Noise Performance of a Multiple-Input-Port and Multiple-Output-Port Low-Noise Amplifier Connected to an Array of Coupled Antennas
Published 2011-01-01“…We compute the natural noise figures of a low-noise MIPMOP amplifier comprising a MIMO series-series feedback amplifier (MIMO-SSFA), designed for a wireless receiver front-end.…”
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548
An Interference Links Selection Method Based on Genetic Algorithm
Published 2015-09-01“…Focusing on interference alignment with partial interference links in multi-cell multiple input multiple output (MIMO)networks, an interference links selection scheme was proposed based on genetic algorithm. …”
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549
Alfonso Vírchez. Pantomima y teatro en Toluca
Published 2015-01-01“…En esta entrevista de semblanza se aborda la formación y la carrera profesional del mimo Alfonso Vírchez, así como su visión sobre el arte de la pantomima. …”
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550
Compact Dual-Band Circularly Polarized Stacked Patch Antenna for Microwave-Radio-Frequency Identification Multiple-Input-Multiple-Output Application
Published 2021-01-01“…A compact, low-profile, two-port dual-band circularly polarized (CP) stacked patch antenna for radio-frequency identification (RFID) multiple-input-multiple-output (MIMO) readers is proposed, which employs the shared-aperture technique. …”
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551
A Compact Highly Isolated Four-Element Antenna System for Ultra-Wideband Applications
Published 2024-01-01“…A small, orthogonally polarized, ultra-wideband (UWB), four-port multiple-input multiple-output (MIMO) printed antenna is presented in this study. …”
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552
The Effect of Mutual Coupling on a High Altitude Platform Diversity System Using Compact Antenna Arrays
Published 2010-01-01“…We analyze the destructive effects of mutual coupling and spatial correlation between the separate antenna elements on a combined diversity system consisting of multiple HAPs (High-Altitude Platforms) employing various compact MIMO (Multiple-Input Multiple-Output) antenna array configurations, in order to enhance the mutual information in HAP communication links. …”
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553
Transmitter selection and receiver placement for target parameter estimation in cooperative radar‐communications system
Published 2022-09-01“…Abstract Target parameter estimation is considered for the cooperative multiple‐input multiple‐output (MIMO) radar and MIMO communications system. To address the hardware limitation of the radar system, a joint transmitter selection and receiver placement (JTSRP) problem is formulated to minimise the estimation performance benchmarked by the Cramer–Rao bound (CRB), where the transmitters can be selected from a discrete set and the receivers can be deployed over a continuous region. …”
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554
Space-Time Block Coding with Beamforming for Triple-Polarized Uniform Linear Array Systems
Published 2015-01-01“…Generally, space-time block coding (STBC) and beamforming (BF) gains cannot be obtained simultaneously because the former performs well under a low correlated MIMO channel, and the latter works efficiently in an environment with high correlation. …”
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555
Optimizing of Iterative Turbo Equalizer for Underwater Sensor Communication
Published 2013-12-01“…The performance is improved by 3.5 [dB] compared to noniteration for SISO channel and by 1 [dB] for MIMO channel, respectively. We also decided that optimal iterations are 3. …”
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556
Trellis orthogonal reconstruction algorithm based on orthogonal space-time block code for wireless communication system in high-speed railway
Published 2014-07-01“…A detailed analysis of open-loop (OL) and closed-loop (CL) multiple input multiple output (MIMO) scheme based on orthogonal space-time block code (OSTBC), and lays emphasis on how the velocity influences the OSTBC in high-speed railway scenario is provided. …”
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557
LEO Satellite Internet of Things Access Technology Based on Beamforming
Published 2023-03-01“…The integration of terrestrial communication and satellite communication for internet of things (IoT) is the inevitable trend of the development of wireless communication network, to achieve the vision of the connection of everything.As a supplement to terrestrial IoT, satellite IoT can make up the fl aws of terrestrial IoT.However, with the expansion of IoT scale, it will be diffi cult for satellites to meet the communication needs of increasing number of IoT terminals, because the problem of limited satellite load will become increasingly prominent.Multiple-input multiple-output (MIMO) technology is the key technology of terrestrial 5G, and also an important research direction of satellite communication in the future 6G.The beamforming(BF) technology was introduced in MIMO into the low earth orbit (LEO) satellite based IoT, to made full use of spatial resources and signifi cantly improved system capacity.In view of the implementation conditions of BF technology and the characteristics of satellite IoT, several related issues were discussed, included channel model, BF criterions, load balancing access technology of one satellite and cooperative BF access technology of several satellites.…”
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558
Adaptive Reduced Dimension Fuzzy Decoupling Control Method with Its Application to a Deployable Antenna Panel
Published 2018-01-01“…This paper addresses the multiple-input multiple-output (MIMO) control problem with an active deformation adjustment mechanism on a 5-metre deployable antenna panel. …”
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559
Czy kredytobiorcy kierują się poziomem RRSO? Wyniki badania ankietowego
Published 2023-03-01“…Jak pokazują wyniki badania ankietowego przeprowadzonego przez autorów – zdecydowanie nie. Mimo obecności od ponad już dwóch dekad tego, jak dotąd jedynego, miernika kosztu kredytu w polskiej przestrzeni finansowej, respondenci kierują się w decyzjach kredytowych w zdecydowanej mierze wyrażoną w złotych kwotą odsetek i kosztów pozaodsetkowych. …”
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560
Energy-Efficient Hybrid Precoding Scheme Based on Antenna Selection Technology in Massive Multiple-Input Multiple-Output Systems
Published 2019-01-01“…Hybrid precoding is a promising technology for massive multiple-input multiple-output (MIMO) systems. It can reduce the number of radio frequency (RF) chains. …”
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