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A Modified Q-Learning Algorithm for Rate-Profiling of Polarization Adjusted Convolutional (PAC) Codes [article]

Samir Kumar Mishra, Digvijay Katyal, Sarvesha Anegundi Ganapathi
2021 arXiv   pre-print
In this paper, we propose a reinforcement learning based algorithm for rate-profile construction of Arikan's Polarization Assisted Convolutional (PAC) codes.  ...  Further, by using a (64, 32) PAC code as an example, it is shown that the choice of convolutional precoding polynomial can have a significant impact on rate-profile construction of PAC codes.  ...  CONCLUSION AND FUTURE WORK In this paper, we presented a modified Q-Learning algorithm for rate-profile construction of Arikan's PAC codes.  ... 
arXiv:2110.01563v2 fatcat:y2ykl5ccsbcx3oarptjlyaalpi

Towards Enhanced Decoding of Polar Codes and PAC Codes

Mohammad Rowshan
Furthermore, we analyze the properties of PAC codes and the impact of convolutional precoding on the weight distribution of polar codes.  ...  This thesis focuses on improving list decoding of polar codes in terms of error correction performance (by modified polar codes and shifted-pruning scheme) and the computational/time complexity (by stepped  ...  Polarization-adjusted Convolutional Codes Polarization-adjusted convolutional (PAC) codes are denoted by PAC(N, K, A, c), where N = 2 n is the length of the PAC code.  ... 
doi:10.26180/16892479.v1 fatcat:2rnilfnnlrddldae5bs7e3p5ry

An Information-Theoretic Perspective on Successive Cancellation List Decoding and Polar Code Design [article]

Mustafa Cemil Coşkun, Henry D. Pfister
2022 arXiv   pre-print
We provide the probability mass functions (p.m.f.s) of this logarithm, over the BEC, for a sequence of the modified RM codes with an increasing block length via simulations, which illustrate that the p.m.f.s  ...  Exemplary constructions with block lengths N∈{128,512} outperform polar codes of 5G over the binary-input additive white Gaussian noise channel.  ...  ACKNOWLEDGEMENT The authors thank Gerhard Kramer (TUM), the associate editor and anonymous reviewers for comments improving the presentation.  ... 
arXiv:2103.16680v2 fatcat:zsz4h2424fhmvaka5ausvwsmjm

nuSTORM - Neutrinos from STORed Muons: Proposal to the Fermilab PAC [article]

D. Adey, S.K. Agarwalla, C.M. Ankenbrandt, R. Asfandiyarov, J.J. Back, G. Barker, E. Baussan, R. Bayes, S. Bhadra, V. Blackmore, A. Blondel, S.A. Bogacz, C. Booth (+96 others)
2013 arXiv   pre-print
Constitutes the crucial first step in the development of muon accelerators as a powerful new technique for particle physics.  ...  a momentum acceptance of 10%.  ...  A log-likelihood ratio, L q/p , is created from the ratio of the CC and NC probabilities for a given trajectory: L q/p = log P (σ q/p /(q/p)|CC) P (σ q/p /(q/p)|N C) . (6) An event is accepted if L q/p  ... 
arXiv:1308.6822v1 fatcat:b2z7dqp2pbaqbes77e46guonyq

Dynamic Code Selection Method for Content Transfer in Deep Space Network

Rojina Adhikary, John N. Daigle, Lei Cao
2019 IEEE Transactions on Aerospace and Electronic Systems  
data error rates, for example, bit error rate (BER) of 10 −5 is very common and even higher BERs on the order of 10 −1 is observed in the deep-space environment.  ...  We develop a new content transfer  ...  Supervised learning is a process of an algorithm learning from the labeled training dataset.  ... 
doi:10.1109/taes.2019.2921212 fatcat:qdkz3c5h25dnteuyttscapegxq

2021 Index IEEE Transactions on Vehicular Technology Vol. 70

2021 IEEE Transactions on Vehicular Technology  
The Author Index contains the primary entry for each item, listed under the first author's name.  ...  The primary entry includes the coauthors' names, the title of the paper or other item, and its location, specified by the publication abbreviation, year, month, and inclusive pagination.  ...  ., +, TVT Oct. 2021 9886-9897 Polarization-Adjusted Convolutional (PAC) Codes: Sequential Decoding vs List Decoding.  ... 
doi:10.1109/tvt.2022.3151213 fatcat:vzuzqu54irebpibzp3ykgy5nca

Papers presented at PAC 2005

INFN Collaboration
With the current rates the physics program of the three main experiments DEAR, FINUDA and KLOE will be completed by the end of 2007.  ...  Results of initial RF testing of the prototype cavity are discussed and compared with simulation results obtained using the commercial code HFSS.  ...  ACKNOWLEDGEMENTS This paper is based on the work done worldwide by a large number of people. In particular the contributions of G. Dugan, M. Kuriki, A. Wolski, J. Sheppard, J. Clark, T. Maruyama, P.  ... 
doi:10.15161/ fatcat:uxmauuo6irgsbiauc6525g5qmy

2019 Index IEEE Transactions on Instrumentation and Measurement Vol. 68

2019 IEEE Transactions on Instrumentation and Measurement  
Tian, Q., +, TIM Oct. 2019 4028-4037 PAC Interaction Inspection Using Real-Time Contact Point Tracking.  ...  Luo, Q., +, TIM March 2019 667-679 Image Fusion Using Adjustable Non-subsampled Shearlet Transform.  ...  Image scanners Nonlinear Reconstruction of Multilayer Media in Scanning Microwave Microscopy. Wei, Z., +, TIM Jan. 2019 197-205  ... 
doi:10.1109/tim.2019.2956662 fatcat:kotlu7gwcngrdkelerc5va2hqe

Physical conditions of the molecular gas in metal-poor galaxies

L. K. Hunt, A. Weiß, C. Henkel, F. Combes, S. García-Burillo, V. Casasola, P. Caselli, A. Lundgren, R. Maiolino, K. M. Menten, L. Testi
2017 Astronomy and Astrophysics  
For one, NGC 1140 (Z/Zsun 0.3), two detections of 13CO isotopologues and atomic carbon, [CI](1-0), and an upper limit for HCN(1-0) are also reported.  ...  After correcting to a common beam size, we compared 12CO(2-1)/12CO(1-0) (R21) and 12CO(3-2)/12CO(1-0) (R31) line ratios of our sample with galaxies from the literature and find that only NGC 1140 shows  ...  We gratefully acknowledge the International Space Science Institute (Bern) for hospitality during the conception of this paper. Heavy use was made of the NASA/IPAC Extragalactic Database (NED).  ... 
doi:10.1051/0004-6361/201731000 fatcat:aga3anxgjvg7nkrni7gpqmhili

Applications and Techniques for Fast Machine Learning in Science

Allison McCarn Deiana, Nhan Tran, Joshua Agar, Michaela Blott, Giuseppe Di Guglielmo, Javier Duarte, Philip Harris, Scott Hauck, Mia Liu, Mark S. Neubauer, Jennifer Ngadiuba, Seda Ogrenci-Memik (+35 others)
2022 Frontiers in Big Data  
The material for the report builds on two workshops held by the Fast ML for Science community and covers three main areas: applications for fast ML across a number of scientific domains; techniques for  ...  In this community review report, we discuss applications and techniques for fast machine learning (ML) in science—the concept of integrating powerful ML methods into the real-time experimental data processing  ...  One example of a convolutional NN (CNN) architecture targeting the L1 trigger is a dedicated algorithm for the identification of long-lived particles (Alimena et al., 2020).  ... 
doi:10.3389/fdata.2022.787421 pmid:35496379 pmcid:PMC9041419 fatcat:5w2exf7vvrfvnhln7nj5uppjga

27th Annual Computational Neuroscience Meeting (CNS*2018): Part One

2018 BMC Neuroscience  
Acknowledgements This research was supported by NIH grant NS086082 and a GSU Brains and Behavior Seed Grant (DNC), N.H. is a Brains and Behavior and Honeycutt Fellow; A.A.P. is a 2CI Neurogenomics and  ...  Gutzen for fruitful discussions.  ...  environments from the OpenAI Gym [2] and comparing its performance to a previously known model of reinforcement learning in the basal banglia [3] and a standard Q-learning algorithm [4] .  ... 
doi:10.1186/s12868-018-0452-x pmid:30373544 pmcid:PMC6205781 fatcat:xv7pgbp76zbdfksl545xof2vzy

Planck2015 results

R. Adam, P. A. R. Ade, N. Aghanim, Y. Akrami, M. I. R. Alves, F. Argüeso, M. Arnaud, F. Arroja, M. Ashdown, J. Aumont, C. Baccigalupi, M. Ballardini (+357 others)
2016 Astronomy and Astrophysics  
The likelihood code used to assess cosmological models against the Planck data are described, as well as a CMB lensing likelihood.  ...  In February~2015, ESA and the Planck Collaboration released the second set of cosmology products based on data from the entire Planck mission, including both temperature and polarization, along with a  ...  The Consortia are also responsible for scientific processing of the acquired data.  ... 
doi:10.1051/0004-6361/201527101 fatcat:fp4g2whasvehvmtj2t2rf7s25q

A Model for Online Interactive Remote Education for Medical Physics Using the Internet

Milton K Woo, Kwan-Hoong Ng
2003 Journal of Medical Internet Research  
In summary, the dose output and profile of a vane pattern are a function of the switching rate.  ...  For a given patient, the algorithm generates the optimal weights of the electron fields and the beam profiles of the photon fields.  ...  The transmission measurements were utilized as input for a variational algorithm to obtain the x-ray spectrum.  ... 
doi:10.2196/jmir.5.1.e3 pmid:12746208 pmcid:PMC1550549 fatcat:tsyf45yusza2jiglkq62rgo3qm

Physics with CEBAF at 12 GeV and Future Opportunities [article]

J. Arrington, M. Battaglieri, A. Boehnlein, S.A. Bogacz, W.K. Brooks, E. Chudakov, I. Cloet, R. Ent, H. Gao, J. Grames, L. Harwood, X.Ji (+12 others)
2022 arXiv   pre-print
Potential upgrades of CEBAF are considered, such as higher luminosity, polarized and unpolarized positron beams, and doubling the beam energy.  ...  We summarize the ongoing scientific program of the 12 GeV Continuous Electron Beam Accelerator Facility (CEBAF) and give an outlook into future scientific opportunities.  ...  Department of Energy, Office of Science, Office of Nuclear Physics, including contracts DE-AC05-06OR23177, DE-AC02-05CH11231, the U.S.  ... 
arXiv:2112.00060v2 fatcat:kvb6bggdnzaspb6luuigqxnxga


2020 2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)  
After ten years of continuous holding, as a conference focusing on electromagnetics related topics, the iWEM becomes a small-scaled but international platform for scientists and engineers to exchange their  ...  ideas, and also a good venue for young scholars and research students to demonstrate their innovative works and results on electromagnetic field, antennas, RF and microwave circuit, and measurement technology  ...  ACKNOWLEDGMENT The authors thank Altair Engineering for the academic license of FEKO+Winprop software, and Ansys for the academic license of Electronics Desktops.  ... 
doi:10.1109/iwem49354.2020.9237401 fatcat:soy4ile3tnaqdjgnvkm27dy4dq
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