Results 21 to 30 of about 3,453 (181)

Wideband partial response CPM demodulation via multirate frequency transformations and decision feedback equalization

open access: yesEURASIP Journal on Wireless Communications and Networking, 2018
■■■ Continuous phase modulation (CPM) is a popular frequency modulation technique used in mobile communications due to its power efficiency and constant modulus properties.
Wenjing Liu, Balu Santhanam
doaj   +1 more source

Performance of 2D SOVA Along and Across Track in Shingled Magnetic Recording Media

open access: yesTelfor Journal, 2017
Serial Concatenation of Two Dimensional Soft Output Viterbi Algorithm (2D-SOVA) and regular Viterbi Algorithm (VA) for 2D equalisation and detection of Shingled Magnetic Recording (SMR) media provides excellent performance as compared to the use of 1 ...
M. B. Abdulrazaq, M. Z. Ahmed, P. Davey
doaj   +1 more source

Improving Phoneme Sequence Recognition using Phoneme Duration Information in DNN-HSMM [PDF]

open access: yesJournal of Artificial Intelligence and Data Mining, 2019
Improving phoneme recognition has attracted the attention of many researchers due to its applications in various fields of speech processing. Recent research achievements show that using deep neural network (DNN) in speech recognition systems ...
M. Asadolahzade Kermanshahi   +1 more
doaj   +1 more source

An Adaptive Learning-Based Approach for Vehicle Mobility Prediction

open access: yesIEEE Access, 2021
This work presents an innovative methodology to predict the future trajectories of vehicles when its current and previous locations are known. We propose an algorithm to adapt the vehicles trajectories' data based on consecutive GPS locations and to ...
Luis Irio   +3 more
doaj   +1 more source

A hidden Markov model and reinforcement learning‐based strategy for fault‐tolerant control

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract This study introduces a data‐driven control strategy integrating hidden Markov models (HMM) and reinforcement learning (RL) to achieve resilient, fault‐tolerant operation against persistent disturbances in nonlinear chemical processes. Called hidden Markov model and reinforcement learning (HMMRL), this strategy is evaluated in two case studies
Tamera Leitao   +2 more
wiley   +1 more source

Improved Decoding Algorithms for Convolutional Codes

open access: yesКібернетика та комп'ютерні технології
Introduction. The considered implementation of the Viterbi algorithm provides a reduction in hardware and time costs for decoding convoluted code sequences, and can be used for semi-realistic modeling of existing means of data transmission (for example ...
Kateryna Sosnenko
doaj   +1 more source

Hidden Markov graphical models with state‐dependent generalized hyperbolic distributions

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract In this article, we develop a novel hidden Markov graphical model to investigate time‐varying interconnectedness between different financial markets. To identify conditional correlation structures under varying market conditions and accommodate shape features embedded in financial time series, we rely upon the generalized hyperbolic family of ...
Beatrice Foroni   +2 more
wiley   +1 more source

Parallel processing for Viterbi algorithm

open access: yesElectronics Letters, 1988
Dual-dimensional parallelisation for the Viterbi algorithm is exploited. That is, parallelisation of the decoding procedures within each stage of the trellis and parallelisation of the decoding procedures are expanded to consecutive stages without excessive path memories.
Kuei Ann Wen, Jau Yien Lee
openaire   +1 more source

Autonomous Navigation in Large‐Scale Underground Environments Based on a Purely Topological Understanding of Tunnel Networks

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT This work presents a non‐geometrical navigation approach based on a purely topological understanding of underground environments. By conceptualizing subterranean scenarios as a set of tunnels that intersect with each other, and taking a navigation approach based on topological instructions, we simplify the navigation problem to the sequential ...
Lorenzo Cano   +2 more
wiley   +1 more source

Assessing habitat suitability for black grouse broods at the bioregional scale

open access: yesWildlife Biology, EarlyView.
The black grouse Lyrurus tetrix, a galliform species emblematic of the European Alps, is currently threatened by habitat change, particularly given the closure of heathland linked to the rising tree line at higher altitudes. The presence of heathlands in good ecological condition is, however, imperative for the species' reproduction.
Alexandre T. M. Defossez   +6 more
wiley   +1 more source

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