Results 61 to 70 of about 55,497 (207)

Multi‐Objective Robust Controller Synthesis With Integral Quadratic Constraints in Discrete‐Time

open access: yesInternational Journal of Robust and Nonlinear Control, Volume 36, Issue 3, Page 935-954, February 2026.
ABSTRACT This article presents a novel framework for the robust controller synthesis problem in discrete‐time systems using dynamic Integral Quadratic Constraints (IQCs). We present an algorithm to minimize closed‐loop performance measures such as the ℋ∞$$ {\mathscr{H}}_{\infty } $$‐norm, the energy‐to‐peak gain, the peak‐to‐peak gain, or a ...
Lukas Schwenkel   +4 more
wiley   +1 more source

Channel Capacity Analysis of Multiple Antenna Systems for Next Generation Wireless Communications Systems

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2017
Nowadays thewireless world demands to get high quality of service, wireless communicationhas been developed by time from using a single antenna at a transmitter and asingle antenna (SISO) at a destination to use multiple antennas at atransmitter and ...
Kerem Küçük   +2 more
doaj  

Estimating the Performance of MIMO SC-FDE Systems Using SISO Measurements

open access: yesApplied Sciences, 2020
The demand for ubiquitous telecommunications services forces operators to have a special concern about signal quality and the coverage area they offer to their customers.
Daniel Fernandes   +3 more
doaj   +1 more source

Time and phase alignment of distributed gateways: Theoretical analysis and experimental demonstration

open access: yesInternational Journal of Satellite Communications and Networking, Volume 44, Issue 1, Page 47-59, January/February 2026.
The performance limitation in multiple‐input multiple‐output (MIMO) feeder links due to time and phase misalignment of the ground stations is investigated. Time and phase distribution over optical fiber is considered as an approach to achieve the synchronization requirements.
Eriserdi Mollaymeri   +2 more
wiley   +1 more source

A Multidomain Lifestyle Intervention Is Associated With Improved Functional Trajectories and Favorable Changes in Epigenetic Aging Markers in Frail Older Adults: A Randomized Controlled Trial

open access: yesAging Cell, Volume 25, Issue 2, February 2026.
In frail older adults, a 6‐month lifestyle intervention slowed epigenetic aging and improved functional outcomes, suggesting lifestyle strategies may delay biological aging and disability progression. ABSTRACT Frailty emerges as the intermediate stage preceding disability, but there is a gap in molecular signatures for early detection of subclinical ...
Gloria Olaso‐Gonzalez   +13 more
wiley   +1 more source

Automatic and Parallel Optimized Learning for Neural Networks performing MIMO Applications

open access: yesAdvances in Electrical and Computer Engineering, 2013
An automatic and optimized approach based on multivariate functions decomposition is presented to face Multi-Input-Multi-Output (MIMO) applications by using Single-Input-Single-Output (SISO) feed-forward Neural Networks (NNs). Indeed, often the learning
LAUDANI, A.   +3 more
doaj   +1 more source

Data‐Driven Sliding Mode Control for Partially Unknown Nonlinear Systems

open access: yesInternational Journal of Robust and Nonlinear Control, Volume 36, Issue 2, Page 629-638, 25 January 2026.
ABSTRACT This paper presents a novel data‐driven control framework for multi‐input multi‐output (MIMO) nonlinear systems with partially unknown dynamics and bounded disturbances. In practical scenarios, exact cancellation of system nonlinearities is often infeasible due to limited model information and unpredictable disturbances.
Jianglin Lan   +2 more
wiley   +1 more source

Active Sampling of Interpolation Points to Identify Dominant Subspaces for Model Reduction

open access: yesInternational Journal for Numerical Methods in Engineering, Volume 127, Issue 1, 15 January 2026.
ABSTRACT Model reduction is an active research field to construct low‐dimensional surrogate models of high fidelity to accelerate engineering design cycles. In this work, we investigate model reduction for linear structured systems using dominant reachable and observable subspaces.
Celine Reddig   +3 more
wiley   +1 more source

Different Features of Control Systems for Single-Phase Voltage Source Inverters

open access: yesEnergies, 2020
The aim of this paper is to determine which type of control loop is better for each particular type of standard voltage source inverter (VSI) load (static, dynamic, nonlinear rectifier resistive-capacitive RC load).
Zbigniew Rymarski, Krzysztof Bernacki
doaj   +1 more source

Trade-off between complexity and BER performance of a polynomial SVD-based broadband MIMO transceiver [PDF]

open access: yes, 2010
In this paper we investigate non-linear precoding solutions for the problem of broadband multiple-input multiple output(MIMO) systems. Based on a polynomial singular value decomposition (PSVD) we can decouple a broadband MIMO channel into independent ...
Al-Hanafy, Waleed, Weiss, S.
core  

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