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We study LDPC codes for the channel with $2^m$-ary input $\underline{x}\in \mathbb{F}_2^m$ and output $\underline{y}=\underline{x}+\underline{z}\in \mathbb{F}_2^m$. The receiver knows a subspace $V\subset \mathbb{F}_2^m$ from which…

信息论 · 计算机科学 2012-05-22 Kenta Kasai , Takayuki Nozaki , Kohichi Sakaniwa

This paper considers the comparison of noisy channels from the viewpoint of statistical decision theory. Various orderings are discussed, all formalizing the idea that one channel is "better" than another for information transmission. The…

信息论 · 计算机科学 2018-03-09 Francesco Buscemi

We consider the problem of transmitting correlated data after independent encoding to a central receiver through orthogonal channels. We assume that the channel state information is not known at the transmitter. The receiver has access to…

信息论 · 计算机科学 2010-07-07 Arvind Yedla , Henry D. Pfister , Krishna R. Narayanan

This paper deals with a universal coding problem for a certain kind of multiterminal source coding system that we call the complementary delivery coding system. In this system, messages from two correlated sources are jointly encoded, and…

信息论 · 计算机科学 2007-10-24 Akisato Kimura , Tomohiko Uyematsu , Shigeaki Kuzuoka

Unsupervised text style transfer is full of challenges due to the lack of parallel data and difficulties in content preservation. In this paper, we propose a novel neural approach to unsupervised text style transfer, which we refer to as…

计算机视觉与模式识别 · 计算机科学 2020-10-05 Yufang Huang , Wentao Zhu , Deyi Xiong , Yiye Zhang , Changjian Hu , Feiyu Xu

We introduce a variational dictionary learning algorithm with hybrid penalization for single-cell microscopy signals. The cost functional couples least-squares data fidelity with total-variation (TV) regularization and a non-negativity…

数值分析 · 数学 2026-04-28 Erdem Altuntac

We propose the use of a lower or upper triangular sub-base matrix to replace the identity matrix in the source-check-channel-variable linking protomatrix of a double-protograph low-density parity-check joint-source-channel code (DP-LDPC…

信息论 · 计算机科学 2023-10-17 Jia Zhan , Francis C. M. Lau

This paper investigates distributed source-channel coding for correlated image semantic transmission over wireless channels. In this setup, correlated images at different transmitters are separately encoded and transmitted through dedicated…

信息论 · 计算机科学 2025-06-10 Yufei Bo , Meixia Tao , Kai Niu

Three areas of ongoing research in channel coding are surveyed, and recent developments are presented in each area: spatially coupled Low-Density Parity-Check (LDPC) codes, non-binary LDPC codes, and polar coding.

信息论 · 计算机科学 2015-04-16 Erdal Arikan , Najeeb ul Hassan , Michael Lentmaier , Guido Montorsi , Jossy Sayir

We consider transmission of stationary and ergodic sources over non-ergodic composite channels with channel state information at the receiver (CSIR). Previously we introduced alternate capacity definitions to Shannon capacity, including the…

信息论 · 计算机科学 2009-02-27 Yifan Liang , Andrea Goldsmith , Michelle Effros

This article examines recent research in molecular communications from a telecommunications system design perspective. In particular, it focuses on channel models and state-of-the-art physical layer techniques. The goal is to provide a…

新兴技术 · 计算机科学 2015-07-28 Weisi Guo , Taufiq Asyhari , Nariman Farsad , H. Birkan Yilmaz , Bin Li , Andrew Eckford , Chan-Byoung Chae

In this paper the preliminary results of a literature review on characteristics used to define continuous experiments are presented. In total 14 papers were selected. The results were synthesized into a model that gives an overview of all…

软件工程 · 计算机科学 2019-12-11 Florian Auer , Michael Felderer

A new universal coding/decoding scheme for random access with collision detection is given in the case of two senders. The result is used to give an achievable joint source-channel coding error exponent for multiple access channels in the…

信息论 · 计算机科学 2013-09-19 Lóránt Farkas , Tamás Kói

We propose a novel joint decoding technique for distributed source-channel (DSC) coded systems for transmission of correlated binary Markov sources over additive white Gaussian noise (AWGN) channels. In the proposed scheme, relatively…

信息论 · 计算机科学 2013-08-02 Reza Asvadi , Tad Matsumoto , Markku Juntti

We consider a joint source channel coding (JSCC) problem in which we desire to transmit an arbitrary memoryless source over an arbitrary additive channel. We propose a mismatched coding architecture that consists of Gaussian codebooks for…

信息论 · 计算机科学 2018-09-03 Lin Zhou , Vincent Y. F. Tan , Mehul Motani

This paper investigates achievable information rates and error exponents of mismatched decoding when the channel belongs to the class of channels that are close to the decoding metric in terms of relative entropy. For both discrete- and…

信息论 · 计算机科学 2025-05-28 Priyanka Patel , Francesc Molina , Albert Guillén i Fàbregas

The surge of pre-training has witnessed the rapid development of document understanding recently. Pre-training and fine-tuning framework has been effectively used to tackle texts in various formats, including plain texts, document texts,…

计算与语言 · 计算机科学 2022-10-07 Jingye Chen , Tengchao Lv , Lei Cui , Cha Zhang , Furu Wei

We study the super dense coding capacity in the presence of quantum channels with correlated noise. We investigate both the cases of unitary and non-unitary encoding. Pauli channels for arbitrary dimensions are treated explicitly. The super…

量子物理 · 物理学 2011-10-07 Zahra Shadman , Hermann Kampermann , Chiara Macchiavello , Dagmar Bruß

This paper investigates distributed joint source-channel coding (JSCC) for correlated image semantic transmission over wireless channels. In this setup, correlated images at different transmitters are separately encoded and transmitted…

信息论 · 计算机科学 2025-03-28 Yufei Bo , Meixia Tao

We study the problem of communication over a compound quantum channel in the presence of entanglement. Classically such channels are modeled as a collection of conditional probability distributions wherein neither the sender nor the…

量子物理 · 物理学 2019-03-19 Anurag Anshu , Rahul Jain , Naqueeb Ahmad Warsi