Results 81 to 90 of about 38,729 (264)

Packetized Predictive Control over Erasure Channels [PDF]

2007 American Control Conference, 2007
In digital networked control systems links between controller and plant are not transparent, but are affected by time-delays, data-dropouts and quantization. An important observation is that, in contemporary communication networks, such as those employing Ethernet, data is sent in large packets.
Quevedo, Daniel E., Silva, Eduardo I., Goodwin, Graham C.   +2 more
openaire   +2 more sources

Photochromic Cholesteric Liquid Crystals via Arylazopyrazole Functionalization of Hydroxypropyl Cellulose

Advanced Materials, EarlyView.
We produce a new derivative of hydroxypropyl cellulose functionalized with arylazopyrazole side chains and demonstrate its photoswitchable behaviors in dilute and concentrated aqueous solutions, ultimately designing a series of photochromic cholesteric materials that can be photopatterned as write‐erase displays.
Simona G. Fine, Nina Hildenhagen, Walter R. Linke, Michael Ryan Hansen, Bart Jan Ravoo, Cécile A. C. Chazot   +5 more
wiley   +1 more source

The n-shot classical capacity of the quantum erasure channel

Journal of Physics Communications
We compute the n -shot classical capacity of the quantum erasure channel, providing upper bounds and almost-matching lower bounds for it, the latter achievable via large-minimum-distance classical linear codes for any n .
Matteo Rosati
doaj   +1 more source

Emergent Freestanding Complex Oxide Membranes for Multifunctional Applications

Advanced Materials, EarlyView.
This review surveys freestanding oxide membranes and covers fabrication and three pathways for studies and devices: strain‐free and strained membranes, and van der Waals‐integrated heterostructures. We show how coupled oxide responses map onto these routes and cross‐couple to expand behaviors.
Baowen Li, Yanran Liu, Jinjin Liu, Josephine Si Yu See, Kaijian Xing, Dong‐Chen Qi, Xiao Renshaw Wang   +6 more
wiley   +1 more source

Optimal Erasure Protection Assignment for Scalable Compressed Data with Small Channel Packets and Short Channel Codewords

EURASIP Journal on Advances in Signal Processing, 2004
We are concerned with the efficient transmission of scalable compressed data over lossy communication channels. Recent works have proposed several strategies for assigning optimal code redundancies to elements in a scalable data stream under the ...
Johnson Thie, David Taubman
doaj   +1 more source

Linear-time maximum likelihood decoding of surface codes over the quantum erasure channel

Physical Review Research, 2020
Surface codes are among the best candidates to ensure the fault tolerance of a quantum computer. In order to avoid the accumulation of errors during a computation, it is crucial to have at our disposal a fast decoding algorithm to quickly identify and ...
Nicolas Delfosse, Gilles Zémor
doaj   +1 more source

High‐Density Topological Defect Array by Two‐Step Interference Photoalignment

Advanced Materials, EarlyView.
High density arrays of topological defects in nematic liquid crystal are realized by two‐step interference photoalignment, with a minimal distance of 1.25 micrometer and disclination lines connecting defects on opposing substrates. Such layers can be used as reconfigurable templates for photonic devices to achieve large angle diffraction, beam shaping ...
Sunqian Liu, Inge Nys, Kristiaan Neyts
wiley   +1 more source

Recent Results on the Implementation of a Burst Error and Burst Erasure Channel Emulator Using an FPGA Architecture

Journal of Communications Software and Systems, 2020
The behaviour of a transmission channel may be simulated using the performance abilities of current generation multiprocessing hardware, namely, a multicore Central Processing Unit (CPU), a general purpose Graphics Processing Unit (GPU), or a Field ...
Caterina Travan, Francesca Vatta, Fulvio Babich   +2 more
doaj  

Saddle-Point Properties and Nash Equilibria for Channel Games

EURASIP Journal on Advances in Signal Processing, 2009
In this paper, transmission over a wireless channel is interpreted as a two-person zero-sum game, where the transmitter gambles against an unpredictable channel, controlled by nature. Mutual information is used as payoff function.
Rudolf Mathar, Anke Schmeink
doaj   +1 more source

Far from Perfect: Quantum Error Correction with (Hyperinvariant) Evenbly Codes [PDF]

Quantum
We introduce a new class of qubit codes that we call Evenbly codes, building on a previous proposal of hyperinvariant tensor networks. Its tensor network description consists of local, non-perfect tensors describing CSS codes interspersed with Hadamard ...
Matthew Steinberg, Junyu Fan, Robert J. Harris, David Elkouss, Sebastian Feld, Alexander Jahn   +5 more
doaj   +1 more source