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Multidimensional Hybrid Modulations for Ultrahigh-Speed Optical Transport

I. B. Djordjevic, Lei Xu, Ting Wang
2011 IEEE Photonics Journal  
At the same time, in D-dimensional space ðD 9 2Þ, for the same average symbol energy, we can increase the Euclidean distance between signal constellation points compared with the conventional in-phase  ...  (IPQ)-based counterpart by even a larger margin of 6.41 dB (at the same BER).  ...  Multidimensional Hybrid Coded Modulation In this section, we provide a detailed description of our proposed multidimensional hybrid codedmodulation approach to enable ultrahigh-speed optical transport.  ... 
doi:10.1109/jphot.2011.2173327 fatcat:l7iqp7edgrgfpkzzzxp72yauyq

The Art of Signaling: Fifty Years of Coding Theory [chapter]

2009 Information Theory  
Publisher Item Identifier S 0018-9448(98)06887-4. available to the code designer; memory and redundancy.  ...  The addition of adjacent transpositions to Hamming errors means that the universe of words makes for a more complicated metric space, so that determining efficiency or even optimality of a particular code  ...  in Table I on soft-decision decoding, and to Walter Willinger for education on data network traffic.  ... 
doi:10.1109/9780470544907.ch20 fatcat:eeuyqk35orhmdleeiktamxgv6u

Multiple description coding: compression meets the network

V.K. Goyal
2001 IEEE Signal Processing Magazine  
Miller and Boyle worked primarily on the physical layer, designing optical equipment.  ...  In designing an MD scalar quantizer, one can optimizeα, β 0 , β 1 , and β 2 quite easily. The optimization of the index assignment is very difficult.  ... 
doi:10.1109/79.952806 fatcat:fsvd6afrtzaxtkiiglvvoqigoq

The art of signaling: fifty years of coding theory

A.R. Calderbank
1998 IEEE Transactions on Information Theory  
Publisher Item Identifier S 0018-9448(98)06887-4. available to the code designer; memory and redundancy.  ...  The addition of adjacent transpositions to Hamming errors means that the universe of words makes for a more complicated metric space, so that determining efficiency or even optimality of a particular code  ...  in Table I on soft-decision decoding, and to Walter Willinger for education on data network traffic.  ... 
doi:10.1109/18.720549 fatcat:utsr3jz3frexjezv3bznqkaxie

An Overview of Signal Processing Techniques for Terahertz Communications [article]

Hadi Sarieddeen, Mohamed-Slim Alouini, Tareq Y.Al-Naffouri
2021 arXiv   pre-print
We focus on the classical problems of waveform design and modulation, beamforming and precoding, index modulation, channel estimation, channel coding, and data detection.  ...  Recent advances in photonic, electronic, and plasmonic technologies are closing the gap in THz transceiver design.  ...  For 1-bit quantization, we use = |L| = 2. Prior to precoding, the symbol vector x is obtained by mapping the information bits to the original constellation X.  ... 
arXiv:2005.13176v3 fatcat:mxqxsp55jjg7ddw5gca2x7dq3a

Implementation of Fog computing for reliable E-health applications

Razvan Craciunescu, Albena Mihovska, Mihail Mihaylov, Sofoklis Kyriazakos, Ramjee Prasad, Simona Halunga
2015 2015 49th Asilomar Conference on Signals, Systems and Computers  
In this paper we follow-up on recent massive MTC concepts combining advanced MAC protocols with Compressed Sensing (CS) based multiuser detection.  ...  In this work we explore some of the potential fiber-optic data transmission applications of the nonlinear Fourier transform (NFT), a signal analysis technique introduced by mathematicians and physicists  ...  BREAK 3:10 PM TP1-5 3:30 PM Flexible Transceiver Design for High Capacity Elastic Coherent Transport Systems David Plant, McGill University, Canada Next generation optical transport is expected to  ... 
doi:10.1109/acssc.2015.7421170 dblp:conf/acssc/CraciunescuMMKP15 fatcat:qm6mki5z6bcvrfimkmqjyrxaxm

Satellite Communications in the New Space Era: A Survey and Future Challenges

Oltjon Kodheli, Eva Lagunas, Nicola Maturo, Shree Krishna Sharma, Bhavani Shankar, Jesus Fabian Mendoza Montoya, Juan Carlos Merlano Duncan, Danilo Spano, Symeon Chatzinotas, Steven Kisseleff, Jorge Querol, Lei Lei (+2 others)
2020 IEEE Communications Surveys and Tutorials  
Firstly, the main innovation drivers are motivated, such as new constellation types, on-board processing capabilities, nonterrestrial networks and space-based data collection/processing.  ...  Index Terms-Satellite communications, space-based data collection, 5G integration, non-terrestrial networks, new constellations, on-board processing, air interface, MAC protocols, networking, testbeds.  ...  The design of the optical feeder link depends on the on-board processing capabilities.  ... 
doi:10.1109/comst.2020.3028247 fatcat:qdsitas5xjhwtfhs6nin3eus5q

Roadmap of optical communications

Erik Agrell, Magnus Karlsson, A R Chraplyvy, David J Richardson, Peter M Krummrich, Peter Winzer, Kim Roberts, Johannes Karl Fischer, Seb J Savory, Benjamin J Eggleton, Marco Secondini, Frank R Kschischang (+7 others)
2016 Journal of Optics  
Quantum Communication is the art of transferring an unknown quantum state from one location, Alice, to a distant one, Bob.  ...  This is a non-trivial task because of the quantum no-cloning theorem which prevents one from merely using only classical means.  ...  Acknowledgments I thank Bob Tkach and Peter Winzer for valuable input and Jeff Hecht, whose 'A Fiber-Optic Chronology' provided the timeline of the early days of fiber communications.  ... 
doi:10.1088/2040-8978/18/6/063002 fatcat:vo3kd4v66vbwtjojvr4mmasn6u

Ping-pong beam training for reciprocal channels with delay spread

Elisabeth de Carvalho, Jorgen Bach Andersen
2015 2015 49th Asilomar Conference on Signals, Systems and Computers  
The idea is based on estimating the norm of available samples at nodes.  ...  In this work we explore some of the potential fiber-optic data transmission applications of the nonlinear Fourier transform (NFT), a signal analysis technique introduced by mathematicians and physicists  ...  BREAK 3:10 PM TP1-5 3:30 PM Flexible Transceiver Design for High Capacity Elastic Coherent Transport Systems David Plant, McGill University, Canada Next generation optical transport is expected to deliver  ... 
doi:10.1109/acssc.2015.7421451 dblp:conf/acssc/CarvalhoA15 fatcat:mqokuvnh3zg45licnfbgxyvxfu

Satellite Communications in the New Space Era: A Survey and Future Challenges [article]

O. Kodheli, E. Lagunas, N. Maturo, S. K. Sharma, B. Shankar, J. F. Mendoza Montoya, J. C. Merlano Duncan, D. Spano, S. Chatzinotas, S. Kisseleff, J. Querol, L. Lei (+2 others)
2020 arXiv   pre-print
Firstly, the main innovation drivers are motivated, such as new constellation types, on-board processing capabilities, nonterrestrial networks and space-based data collection/processing.  ...  The design of the optical feeder link depends on the on-board processing capabilities.  ...  Ultimately, once the constellation altitude is selected based on the specific service to be provided, the constellation design aims at guaranteeing coverage in the regions of interest, using the lowest  ... 
arXiv:2002.08811v2 fatcat:u3uvhm5bovg6povxbwwl5h6rqq

Design of large polyphase filters in the Quadratic Residue Number System

Gian Carlo Cardarilli, Alberto Nannarelli, Yann Oster, Massimo Petricca, Marco Re
2010 2010 Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers  
Based on the derived convergence performance, we propose two quantizer designs, namely the time invariant convergenceoptimal quantizer (TICOQ) and the time varying convergence-optimal quantize (TVCOQ)  ...  We then design quantization matrices (QMs) based on the proposed bit allocation method.  ... 
doi:10.1109/acssc.2010.5757589 fatcat:ccxnu5owr5fyrcjcqukumerueq

Variational Bayes Inference in Digital Receivers [article]

Viet Hung Tran
2018 arXiv   pre-print
A novel approximation, namely Transformed Variational Bayes (TVB), will be designed in the thesis in order to relax the zero-order constraint in the VB approximation, further reducing the KLD of the optimal  ...  Two popular techniques, one exact and one approximate, will be studied.  ...  If we regard data as a vector in multi-dimensional space, the vector quantization (VQ) can be used as generalization of scalar quantization (see e.g.  ... 
arXiv:1811.02506v1 fatcat:qqdtg7bj3jdclhjhhmp2os3xku

Present State of CFD Softwares Application for Launch Vehicle Analysis
발사체 해석을 위한 CFD 소프트웨어 적용 현황

Hwanghui Jeong, Jae Yeol Kim, Jae-Ryul Shin
2020 Journal of the Korean Society of Propulsion Engineers  
that enables the specification and design of a space-based optical communications system .  ...  space-based optical communications system .  ...  Release Only Constellation PRACA Extension of the Bugzilla Application ARC-16033-1 The Constellation PRACA I-1 system is a modified version of an open-source, web-based defect tracking tool called Bugzilla  ... 
doi:10.6108/kspe.2020.24.3.071 fatcat:trxkhiuqrjakll32bcjxskgwju

Quantum Machine Learning for 6G Communication Networks: State-of-the-Art and Vision for the Future

Syed Junaid Nawaz, Shree K. Sharma, Shurjeel Wyne, Mohammad N. Patwary, Md Asaduzzaman
2019 IEEE Access  
While the second approach based on the photons' phase does not require the polarization control but an optical carrier (either propagated along with the quantum signal or generated locally at the receiving  ...  The study on the behavior of randomness extractors in the scenarios with quantum adversaries can be based on the theory of operator spaces, which is also known as quantized functional analysis.  ... 
doi:10.1109/access.2019.2909490 fatcat:27eqrqfadfcnfmultqjnykweai

New Foundation in the Sciences: Physics without Sweeping Infinities under the Rug [article]

Victor Christianto, Florentin Smarandache, Robert Neil Boyd
2020 Figshare  
We have designed a method for sweeping them under the rug."[1] And Paul Dirac himself also wrote with similar tune: "Hence most physicists are very satisfied with the situation.  ...  One of these authors (VC) dedicates this paper to Jesus Christ who always guide him through all valley of darkness (Ps. 23). He is the Good Shepherd.  ...  Kiehn 326 Foundation in the Sciences insightful suggestions on the preliminary version of ideas presented herein, particularly with regard to plausible relationship between lowtemperature physics  ... 
doi:10.6084/m9.figshare.12387260 fatcat:6qqvy3zxrfgebm6ctt5jkakqz4
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