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This work contains two main contributions concerning the asymmetric broadcast channel. The first is an analysis of the exact random coding error exponents for both users, and the second is the derivation of universal decoders for both…

信息论 · 计算机科学 2017-02-28 Ran Averbuch , Neri Merhav

In this paper, we propose a novel semantic-aided image communication framework for supporting the compatibility with practical separation-based coding architectures. Particularly, the deep learning (DL)-based joint source-channel coding…

信息论 · 计算机科学 2025-05-01 Mingkai Xu , Yongpeng Wu , Yuxuan Shi , Xiang-Gen Xia , Merouane Debbah , Wenjun Zhang , Ping Zhang

Recent advances in deep learning (DL)-based joint source-channel coding (JSCC) have enabled efficient semantic communication in dynamic wireless environments. Among these approaches, vector quantization (VQ)-based JSCC effectively maps…

信号处理 · 电气工程与系统科学 2026-02-17 Eunsoo Kim , Yoon Huh , Wan Choi

This document describes the list of controlled terms used to build the Unified Content Descriptors, Version 1+ (UCD1+). The document describing the UCD1+ can be found at the URL: http://www.ivoa.net/Documents/latest/UCD.html. This document…

We analyze deterministic message identification via channels with non-discrete additive white noise and with a noiseless feedback link under both average power and peak power constraints. The identification task is part of Post Shannon…

信息论 · 计算机科学 2022-02-18 Moritz Wiese , Wafa Labidi , Christian Deppe , Holger Boche

This paper considers distributed coding for multi-source single-sink data collection wireless networks. A unified framework for network coding and channel coding, termed "generalized adaptive network coded cooperation" (GANCC), is proposed.…

分布式、并行与集群计算 · 计算机科学 2010-02-22 Xingkai Bao , Jing Li

Capacity analysis for channels with side information at the receiver has been an active area of interest. This problem is well investigated for the case of finite alphabet channels. However, the results are not easily generalizable to the…

信息论 · 计算机科学 2016-11-18 Majid Fozunbal , Steven W. McLaughlin , Ronald W. Schafer

This paper proposes robust nonlinear transform coding (Robust-NTC), a generalizable digital joint source-channel coding (JSCC) framework that couples variational latent modeling with channel-adaptive transmission. Unlike learning-based JSCC…

信号处理 · 电气工程与系统科学 2026-04-24 Jihun Park , Junyong Shin , Jinsung Park , Yo-Seb Jeon

An inner bound to the capacity region of a class of deterministic interference channels with three user pairs is presented. The key idea is to simultaneously decode the combined interference signal and the intended message at each receiver.…

信息论 · 计算机科学 2015-03-13 Bernd Bandemer , Abbas El Gamal

A new precoding-based intersession network coding (NC) scheme has recently been proposed, which applies the interference alignment technique, originally devised for wireless interference channels, to the 3-unicast problem of directed…

信息论 · 计算机科学 2013-05-03 Jaemin Han , Chih-Chun Wang , Ness B. Shroff

A joint communication and channel state estimation problem is investigated, in which reliable information transmission over a noisy channel, and high-fidelity estimation of the channel state, are simultaneously sought. The tradeoff between…

信息论 · 计算机科学 2008-01-09 Wenyi Zhang , Satish Vedantam , Urbashi Mitra

Supporting Information for the Paper: Optimal Ternary Constant-Composition Codes of Weight Four and Distance Five, IEEE Trans. Inform. Theory, To Appear.

信息论 · 计算机科学 2010-12-03 Fei Gao , Gennian Ge

This is a technical report, containing all the theorem proofs and additional evaluations in paper "Efficient Identification of Additive Link Metrics via Network Tomography" by Liang Ma, Ting He, Kin K. Leung, Don Towsley, and Ananthram…

网络与互联网体系结构 · 计算机科学 2020-12-23 Liang Ma , Ting He , Kin K. Leung , Don Towsley , Ananthram Swami

The problem of joint universal source coding and modeling, treated in the context of lossless codes by Rissanen, was recently generalized to fixed-rate lossy coding of finitely parametrized continuous-alphabet i.i.d. sources. We extend…

信息论 · 计算机科学 2007-07-13 Maxim Raginsky

The set of doubly-stochastic quantum channels and its subset of mixtures of unitaries are investigated. We provide a detailed analysis of their structure together with computable criteria for the separation of the two sets. When applied to…

量子物理 · 物理学 2014-07-30 Christian B. Mendl , Michael M. Wolf

In 2018, Renes [IEEE Trans. Inf. Theory, vol. 64, no. 1, pp. 577-592 (2018)] (arXiv:1701.05583) developed a general theory of channel duality for classical-input quantum-output (CQ) channels. That result showed that a number of well-known…

信息论 · 计算机科学 2021-03-17 Narayanan Rengaswamy , Henry D. Pfister

Source and channel coding over multiuser channels in which receivers have access to correlated source side information is considered. For several multiuser channel models necessary and sufficient conditions for optimal separation of the…

信息论 · 计算机科学 2009-07-09 Deniz Gunduz , Elza Erkip , Andrea Goldsmith , H. Vincent Poor

It is known that, as opposed to point-to-point channel, separate source and channel coding is not optimal in general for sending correlated sources over multiuser channels. In some works joint source-channel coding has been investigated for…

信息论 · 计算机科学 2016-11-15 Sajjad Bahrami , Behrooz Razeghi , Mostafa Monemizadeh , Ghosheh Abed Hodtani

In this paper, we propose an iterative source error correction (ISEC) decoding scheme for deep-learning-based joint source-channel coding (Deep JSCC). Given a noisy codeword received through the channel, we use a Deep JSCC encoder and…

机器学习 · 计算机科学 2023-02-21 Changwoo Lee , Xiao Hu , Hun-Seok Kim

This paper studies the hierarchical joint source-channel coding with information leakage constraint in the first-phase reconstruction and distortion constraints. The receiver's access to the data varies and is evaluated by the quality of…

信息论 · 计算机科学 2026-04-24 Yiqi Chen , Holger Boche , Marc Geitz