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Iterative Identification for Multivariable Systems with Time-Delays Based on Basis Pursuit De-Noising and Auxiliary Model
2018
Algorithms
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Based on the basis pursuit de-noising criterion and the auxiliary model identification idea, an auxiliary model based basis pursuit de-noising iterative algorithm is presented. ...
This paper focuses on the joint estimation of parameters and time-delays of the multiple-input single-output output-error systems. ...
Based on the BPDN criterion and the auxiliary model identification idea, the sparse parameters and multiple-input time-delays can be effectively and simultaneously estimated. ...
doi:10.3390/a11110180
fatcat:d4t57yugs5fm7poqmlogjk3iei
A Novel Identification Method for A Class of Closed-Loop Systems Based on Basis Pursuit De-noising
2020
IEEE Access
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INDEX TERMS Closed-loop system, basis pursuit de-noising, system identification, time-delay estimation. ...
Taking into account the time-delays, an overparameterized identification model with a sparse parameter vector is established. ...
An auxiliary model based orthogonal matching pursuit iterative algorithm was proposed for the joint parameter and time-delay estimation of multiple input output-error models [16] . ...
doi:10.1109/access.2020.2976862
fatcat:itzcyyyj4bgungjrtewr7zqvyu
Sparse Nonlinear MIMO Filtering and Identification
[chapter]
2013
Signals and Communication Technology
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Three identification approaches are discussed: conventional identification based on both input and output samples, semi-blind identification placing emphasis on minimal input resources and blind identification ...
In this chapter system identification algorithms for sparse nonlinear multi input multi output (MIMO) systems are developed. ...
Acknowledgements This research has been co-financed by the European Union (European Social Fund -ESF) and Greek national funds through the Operational Program "Education and Lifelong Learning" of the National ...
doi:10.1007/978-3-642-38398-4_7
fatcat:a7awuvl2prfvfkylo2za6cprz4
Use of Tree Traversal Algorithms for Chain Formation in the PEGASIS Data Gathering Protocol for Wireless Sensor Networks
2009
KSII Transactions on Internet and Information Systems
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19%-30% and at the same time, the energy loss per node can be 19%-35% lower than that obtained with the currently used distance-based greedy heuristic. ...
Simulation studies on PEGASIS conducted for both TDMA and CDMA systems illustrate that using the chain of nodes generated from the tree traversal algorithms, the node lifetime can improve as large as by ...
For CDMA (Code Division Multiple Access) systems [5] , PEGASIS has been later improved using a chain-based binary scheme to reduce the delay per round from N time slots to log N time slots, where N is ...
doi:10.3837/tiis.2009.06.003
fatcat:ue6nxtz42bdhndzdikg65lrgcy
Spectrum-efficient Distributed Compressed Sensing based Channel Estimation for OFDM Systems over Doubly Selective Channels
2019
IEEE Access
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To make the numerous (unknown) estimation for the high-mobility OFDM systems practicable, the channels are assumed to be time-and frequency-selective−or doubly selective (DS) and approximated by a basis ...
Furthermore, to obtain a channel estimator consistent with the jointly sparse delay-Doppler [i.e., two dimensional (2D)] channel model, an algorithm namely, distributed compressed sensing (DCS)-based stage ...
One of these algorithms is basis pursuit. However, the l 1 -norm approach is often still computationally intensive and challenging to implement in real-time systems. ...
doi:10.1109/access.2019.2904596
fatcat:ihdccgimwvdsrnjbao6dbj5nbq
2020 Index IEEE Transactions on Cybernetics Vol. 50
2020
IEEE Transactions on Cybernetics
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., and Gao, H., Reference Trajectory Reshaping Optimi-zation and Control of Robotic Exoskeletons for Human-Robot Co-Manipulation; TCYB Aug. 2020 3740-3751 Wu, X., Jiang, B., Yu, K., Miao, c., and Chen, ...
., +, TCYB Nov. 2020 4558-4572
I
Identification
Identification of Cellular Automata Based on Incomplete Observations With
Bounded Time Gaps. ...
Adaptive Finite-Time Fuzzy Control of Nonlinear Active Suspension Systems With Input Delay. ...
doi:10.1109/tcyb.2020.3047216
fatcat:5giw32c2u5h23fu4drupnh644a
Upgrading Behavioral Models for the Design of Digital Predistorters
2021
Sensors
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This work presents a strategy to upgrade models for power amplifier (PA) behavioral modeling and digital predistortion (DPD). ...
These incomplete structures are the consequence of nonlinear order and memory depth model truncation with the purpose of reducing the demand of the limited computational resources available in standard ...
Acknowledgments: The authors would like to thank the team of José Ángel García at Universidad de Cantabria for providing the class J power amplifier used in the experimental part of this work. ...
doi:10.3390/s21165350
pmid:34450792
pmcid:PMC8398801
fatcat:ozmlclmmx5agjgs3cavwnb6hky
A robust compressive sensing based technique for reconstruction of sparse radar scenes
2014
Digital signal processing (Print)
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Although the perturbation idea is general and can be implemented in association with other greedy techniques, presently it is used within an orthogonal matching pursuit (OMP) framework. ...
For efficient processing of radar returns, delay-Doppler plane is discretized and FFT techniques are employed to compute matched filter output on this discrete grid. ...
The proposed technique is an iterative algorithm that works with a selected set of dictionary vectors that can be obtained via one of sparse greedy techniques such as matching pursuit (MP) [34] , orthogonal ...
doi:10.1016/j.dsp.2013.12.008
fatcat:wie4ksqojjhfreu62kajm4rgmq
Low-Complexity Progressive MIMO-OFDM Receiver for Underwater Acoustic Communication
2019
Symmetry
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Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing (MIMO-OFDM) proves to be a better choice for high speed underwater acoustic (UWA) communication as it increases the data rate and ...
Here we propose two iterative receivers: one is ICI unaware iterative MIMO-OFDM receiver, which uses a novel cost function threshold based soft information decision feedback method. ...
Figure 2 . 2 ICI unaware Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing (MIMO-OFDM) Iterative Receiver block diagram. ...
doi:10.3390/sym11030362
fatcat:v5cwodvecnfwbmzgfxbsaoo5p4
Design of large polyphase filters in the Quadratic Residue Number System
2010
2010 Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers
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transceiver design for multiple-input single-output (MISO) systems with coordinated base stations (BSs). ...
Overall, we find that the cyclic approach of CMP produces signal models that are competitive with existing greedy iterative descent methods, such as matching pursuit (MP), orthogonal MP (OMP), and orthogonal ...
doi:10.1109/acssc.2010.5757589
fatcat:ccxnu5owr5fyrcjcqukumerueq
2005 index
2005
IEEE Communications Letters
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Xiaohong Huang, + , COML Jan 05 72-74
Delay estimation
threshold selection for UWB TOA estimation based on Kurtosis anal.
Guvenc, I., + , COML Dec 05 1025-1027
Delay lines; cf. ...
Simple-to-evaluate error probabilities for impulse radio UWB multiple access systems with pulsebased polarity randomization; COML Sep 05 772-774 Rajatheva, N., see Dharmawansa, P., COML Oct 05 894-896 ...
Information rates adaptive RateLimit for 1xEV-DO reverse link traffic channels, rate control scheme BSased. HyeJeong Lee ...
doi:10.1109/lcomm.2005.1576594
fatcat:upvkv2oloze3jos34ny6hs6ove
Table of contents
2009
2009 17th Mediterranean Conference on Control and Automation
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This paper deals with the problem of delay-dependent stability and stabilization of Takagi-Sugeno (T-S) fuzzy systems with a time-varying delay. ...
This work is based on common and multiple Lyapunov functions. The results are presented in LMI's form. ...
Centre Henri Tudor
Fault Tolerant Control (Regular Session) Detection and Identification of Actuator Failures in Robotic Systems Based on Multiple-Model Nonlinear State Estimation, pp. ...
doi:10.1109/med.2009.5164498
fatcat:bi37lbkbhfaihj7lbc64vvplo4
Compressive Sensing Based Joint Activity and Data Detection for Grant-Free Massive IoT Access
[article]
2021
arXiv
pre-print
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ratio obtained in the soft-decision can be exploited for refining the activity identification. ...
Specifically, we spread the uplink access signals in multiple subcarriers with pre-equalization processing and formulate the JADD as a multiple measurement vector (MMV) compressive sensing problem. ...
SYSTEM MODEL We consider a typical uplink grant-free massive access scenario with mMTC, where OFDM is adopted to overcome the time dispersive channels. ...
arXiv:2011.07928v3
fatcat:bzcixaa7uffybjh7ovvxgzdsfi
Binary Sparse Coding of Convolutive Mixtures for Sound Localization and Separation via Spatialization
2016
IEEE Transactions on Signal Processing
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using the image model. ...
This approach relies on designing a dictionary of spatialized signals by projecting the microphone array recordings into the array manifolds characterized for different locations in a reverberant enclosure ...
The mixing procedure is delineated with a multiple-input multiple-output mathematical model decomposed into sequential procedures to remove spatial interference followed by deconvolution of temporal echoes ...
doi:10.1109/tsp.2015.2488598
fatcat:jzgttdzfwja2fk53wbnq4uc65u
Recent Advances in Deep Reinforcement Learning Applications for Solving Partially Observable Markov Decision Processes (POMDP) Problems: Part 1—Fundamentals and Applications in Games, Robotics and Natural Language Processing
2021
Machine Learning and Knowledge Extraction
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The first part of a two-part series of papers provides a survey on recent advances in Deep Reinforcement Learning (DRL) applications for solving partially observable Markov decision processes (POMDP) problems ...
In this overview, we introduce Markov Decision Processes (MDP) problems and Reinforcement Learning and applications of DRL for solving POMDP problems in games, robotics, and natural language processing ...
Acknowledgments: The authors would like to express their appreciation to friends and colleagues who had assisted in the preparation of this paper. ...
doi:10.3390/make3030029
fatcat:u3y7bqkoljac5not2eq5konnnm
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