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Showing 1 to 14 of 14 for “"MIMO (Multiple input multiple output )"”.
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Design and Implementation of an Universal Lattice Decoder on FPGA
In wireless communication, MIMO (multiple input multiple output) is one of the promising technologies which improves the range and performance of transmission without increasing the bandwidth, while providing high rates. High speed hardware MIMO decoders are one of the keys to apply this technology …
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Adaptively Predictive Clustering of Mimo Beamforming Considering Co-Channel Interference in Time Varying Wireless Channel
… For example, results have been reported for MIMO (Multiple Input Multiple Output), spatial and temporal multiplexing, channel diversity, and power and direction controlled beamforming.</p><p>In this research, we discuss issues associated with clustered cells, like the ones we see in today's …
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On Throughput Maximization in a Multi-hop MIMO Ad Hoc Network
… problems in a multi-hop wireless network. MIMO (multiple-input multiple-output), as an advanced physical layer technology, has been employed in multi-hop wireless networks to increase throughput with a given bandwidth or transmit power. It exploits the use of multiple antennas at the …
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Advanced MIMO-CDMA receiver for interference suppression: Algorithms, system-on-chip architectures and design methodology
MIMO (Multiple Input Multiple Output) technology is proposed in CDMA systems for much higher rate packet services. The receiver architecture is essential for the mobile devices to support high speed multimedia service. The design challenges come from both detection algorithms and hardware …
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Target localization in MIMO radar systems
MIMO (Multiple-Input Multiple-Output) radar systems employ multiple antennas to transmit multiple waveforms and engage in joint processing of the received echoes from the target. MIMO radar has been receiving increasing attention in recent years from researchers, practitioners, and funding …
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Intelligent systems for efficiency and security
… the same time, computing systems must deliver in multiple dimensions, such as high performance, quality of service, reliability, security and low power. Building such computers is hard, particularly when the operating environment is becoming more dynamic, and systems are becoming heterogeneous and …
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A Study of Smart Foam for Noise Control Applications
… sound power reduction is obtained using a MIMO (multiple-input/multiple-output) Filtered-x LMS control scheme. Various techniques for improving smart foam's acoustic control authority are identified during manufacturing and finite element modeling. of the actuator. These improved smart foam …
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Μοντελοποίηση και ανάπτυξη ετερογενών κινητών δικτύων οχήματος-προς-όχημα (Vehicle-to-Vehicle) και οχήματος- προς-υποδομή (Vehicle-to-Infrastructure) με έμφαση σε δύσκολα περιβάλλοντα μετάδοσης
… οχημάτων με χρήση των τεχνικών SISO (single-input & single-output)και MIMO (multiple-input & multiple-output) εντός προαστιακού περιβάλλοντος. Ο αλγόριθμος περιλαμβάνει τη δυναμική ομαδοποίηση των οχημάτων σε clusters καθώς και την επιλογή Cluster Header (CH) και του αντίστοιχου Gateway για …
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VT-STAR design and implementation of a test bed for differential space-time block coding and MIMO channel measurements
… wireless communications systems use single-input multiple-output (SIMO) channel in the reverse link, meaning one transmit antenna at the user terminal and multiple receive antennas at the base station. Recently, information theoretic research has shown an enormous potential growth in the …
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Centralized and distributed resource allocation with applications to signal processing in communications
… layer based security, and to the well-known MIMO (Multiple-Input-Multiple-Output) Cognitive Radio sum-rate maximization problem. For the former application, we develop a mathematically rigorous analysis of the nondifferentiable and nonconvex game (of the generalized type) proposed to …
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Contribución al diseño de esquemas de transmisión-recepción para sistemas de comunicaciones de nueva generación con múltiples antenas
… los últimos años. Esta tecnología se conoce como MIMO (Multiple-Input Multiple-Output), mediante la cual se ha demostrado un aumento en la tasa binaria, con lo que se ha propuesto para los nuevos sistemas de comunicaciones inalámbricos. Las prestaciones logradas con los sistemas MIMO dependen de …
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Contribution to the characterization and evaluation of multiple antenna systems for communications: prototyping, propagation and antenna perspective
… systems that are based on the use of multiple antennas to take advantage of the available spatial diversity in the channel. Moreover, current open issues and problems that prevent multi-antenna systems from being widely adopted have been thoroughly analysed, with special emphasis on …
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Effect of Exponential Correlation Model on Spectral and Energy Efficiency for Massive MIMO Systems
… that can meet the above requirements is Massive Multiple Input Multiple Output (MIMO). The main concept of this technology is to equip the base station with hundreds of antennas and serve tens of users simultaneously. The amount of research on massive MIMO increases rapidly, but there is little …