Results 21 to 30 of about 58,164 (279)

Performance Benefits of Network Coding for HEVC Video Communications in Satellite Networks

open access: yesIranian Journal of Electrical and Electronic Engineering, 2021
High-Efficiency Video Coding (HEVC) is the latest video encoding standard that achieves much better compression efficiency compared to the earlier encoding standards.
H. Hamdoun   +4 more
doaj  

VLSI implementation of a multi-mode turbo/LDPC decoder architecture [PDF]

open access: yes, 2013
Flexible and reconfigurable architectures have gained wide popularity in the communications field. In particular, reconfigurable architectures for the physical layer are an attractive solution not only to switch among different coding modes but also to ...
Condo, Carlo   +2 more
core   +1 more source

A Turbo Detection and Sphere-Packing-Modulation-Aided Space-Time Coding Scheme

open access: yes, 2007
Arecently proposed space-time block-coding (STBC) signal-construction method that combines orthogonal design with sphere packing (SP), referred to here as STBC-SP, has shown useful performance improvements over Alamouti’s conventional orthogonal design ...
Alamri, O, Hanzo, L, YEAP, B-J.
core   +1 more source

Enabling error-resilient internet broadcasting using motion compensated spatial partitioning and packet FEC for the dirac video codec [PDF]

open access: yes, 2008
Video transmission over the wireless or wired network require protection from channel errors since compressed video bitstreams are very sensitive to transmission errors because of the use of predictive coding and variable length coding. In this paper, a
Cosmas, J, Loo, KK, Tun, M
core   +2 more sources

Spatially coupled turbo codes [PDF]

open access: yes2014 8th International Symposium on Turbo Codes and Iterative Information Processing (ISTC), 2014
In this paper, we introduce the concept of spatially coupled turbo codes (SC-TCs), as the turbo codes counterpart of spatially coupled low-density parity-check codes. We describe spatial coupling for both Berrou et al. and Benedetto et al. parallel and serially concatenated codes.
Moloudi, Saeedeh   +2 more
openaire   +3 more sources

SPG4 and Dementia: Expanding the Clinical Spectrum

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Hereditary spastic paraplegia (HSP) is a group of disorders characterized by progressive spasticity and lower limb weakness, with mutations in SPG4/SPAST being the most common cause. Detailed studies and clinical and molecular comparisons across different populations are missing.
Emanuele Panza   +19 more
wiley   +1 more source

Turbo Coding, Turbo Equalisation and Space-Time Coding [PDF]

open access: yes, 2002
Against the backdrop of the emerging 3G wireless personal communications standards and broadband access network standard proposals, this volume covers a range of coding and transmission aspects for transmission over fading wireless channels. It presents the most important classic channel coding issues and also the exciting advances of the last decade ...
Hanzo, L., Liew, T.H., Yeap, B.L.
openaire   +3 more sources

Turbo-Aggregate: Breaking the Quadratic Aggregation Barrier in Secure Federated Learning [PDF]

open access: yes, 2020
Federated learning is a distributed framework for training machine learning models over the data residing at mobile devices, while protecting the privacy of individual users.
Avestimehr, A. Salman   +2 more
core   +1 more source

Turbo Equalization With Irregular Turbo Codes [PDF]

open access: yes2007 4th International Symposium on Wireless Communication Systems, 2007
We analyze a turbo equalization system that combines maximum a posteriori probability (MAP) equalization with irregular turbo codes. Our goal is to approach the information capacity limit for severe inter-symbol interference (ISI) channels. To this end, we optimize the degree profile of irregular turbo codes by maximizing the minimum distance between ...
Vladimir D. Trajkovic   +2 more
openaire   +1 more source

A Modular Bioinstructive Platform Reveals Mechanistic Insights into Additive‐Free, Topography‐Driven Osteogenesis

open access: yesAdvanced Healthcare Materials, EarlyView.
Engineered microparticle topographies direct human mesenchymal stem cell osteogenesis without biochemical additives. This osteogenic commitment is driven by canonical Hedgehog signaling and followed by temporal IGF‐II engagement. Two‐photon polymerization demonstrates spatial control, enabling the engineering of topographical gradients that pattern ...
Fatmah I. Ghuloum   +5 more
wiley   +1 more source

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