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相关论文: Information Bottleneck for an Oblivious Relay with…

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In classical information theory, the information bottleneck method (IBM) can be regarded as a method of lossy data compression which focusses on preserving meaningful (or relevant) information. As such it has recently gained a lot of…

量子物理 · 物理学 2020-04-09 Nilanjana Datta , Christoph Hirche , Andreas Winter

For the multiple-input multiple-output (MIMO) broadcast channel with imperfect channel state information (CSI), neither the capacity nor the optimal transmission technique have been fully discovered. In this paper, we derive achievable…

信息论 · 计算机科学 2016-11-18 Jun Zhang , Marios Kountouris , Jeffrey G. Andrews , Robert W. Heath

This paper investigates the capacity problem for some multiple-access scenarios with cooperative transmitters. First, a general Multiple-Access Channel (MAC) with common information, i.e., a scenario where p transmitters send private…

信息论 · 计算机科学 2013-02-17 Ali Haghi , Reza K. Farsani , Mohammad Reza Aref , Farokh Marvasti

Learning with hidden variables is a central challenge in probabilistic graphical models that has important implications for many real-life problems. The classical approach is using the Expectation Maximization (EM) algorithm. This…

机器学习 · 计算机科学 2012-12-12 Gal Elidan , Nir Friedman

In this work, we focus on the challenging problem of Label Enhancement (LE), which aims to exactly recover label distributions from logical labels, and present a novel Label Information Bottleneck (LIB) method for LE. For the recovery…

机器学习 · 计算机科学 2023-03-15 Qinghai Zheng , Jihua Zhu , Haoyu Tang

We investigate the maximal achievable rate for a given blocklength and error probability over quasi-static single-input multiple-output (SIMO) fading channels. Under mild conditions on the channel gains, it is shown that the channel…

信息论 · 计算机科学 2013-05-17 Wei Yang , Giuseppe Durisi , Tobias Koch , Yury Polyanskiy

This work studies an information-theoretic performance limit of an integrated sensing and communication (ISAC) system where the goal of sensing is to estimate a random continuous state. Considering the mean-squared error (MSE) for…

信息论 · 计算机科学 2025-01-30 Daewon Seo

In this paper, communication over imperfectly-known fading channels with different degrees of cooperation is studied. The three-node relay channel is considered. It is assumed that communication starts with the network training phase in…

信息论 · 计算机科学 2008-12-09 Junwei Zhang , Mustafa Cenk Gursoy

In this paper, we study the interference relay-without-delay channel which is an interference channel with a relay helping the communication. We assume the relay's transmit symbol depends not only on its past received symbols but also on…

信息论 · 计算机科学 2011-08-16 Hyunseok Chang , Sae-Young Chung

This study revisits label smoothing via a form of information bottleneck. Under the assumption of sufficient model flexibility and no conflicting labels for the same input, we theoretically and experimentally demonstrate that the model…

机器学习 · 计算机科学 2025-08-21 Sota Kudo

Joint source and channel coding (JSCC) for image transmission has attracted increasing attention due to its robustness and high efficiency. However, the existing deep JSCC research mainly focuses on minimizing the distortion between the…

信息论 · 计算机科学 2023-05-30 Lunan Sun , Yang Yang , Mingzhe Chen , Caili Guo , Walid Saad , H. Vincent Poor

In this paper, achievable rates and optimal resource allocation strategies for imperfectly-known fading relay channels are studied. It is assumed that communication starts with the network training phase in which the receivers estimate the…

信息论 · 计算机科学 2008-03-14 Junwei Zhang , Mustafa Cenk Gursoy

In this paper, we consider the relaying of orthogonal space time block codes (OSTBCs) in a two-way amplify-and-forward (AF) multiple-input multiple-output (MIMO) relay system with estimated channel state information (CSI). A simple four…

信息论 · 计算机科学 2014-07-07 Arti M. K. , Manav R. Bhatnagar

Acquiring perfect channel state information (CSI) introduces substantial challenges in cell-free massive MIMO (CF-mMIMO) systems, primarily due to the large dimensionality of channel parameters, especially under ultra-reliable low-latency…

信息论 · 计算机科学 2025-08-27 Kai Chen , Feng Ye , Jiamin Li , Pengcheng Zhu , Dongming Wang , Xiaohu You

Bidirectional language models have better context understanding and perform better than unidirectional models on natural language understanding tasks, yet the theoretical reasons behind this advantage remain unclear. In this work, we…

计算与语言 · 计算机科学 2025-10-10 Md Kowsher , Nusrat Jahan Prottasha , Shiyun Xu , Shetu Mohanto , Ozlem Garibay , Niloofar Yousefi , Chen Chen

In this paper, achievable rates of imperfectly-known fading relay channels are studied. It is assumed that communication starts with the network training phase in which the receivers estimate the fading coefficients of their respective…

信息论 · 计算机科学 2007-07-13 Junwei Zhang , Mustafa Cenk Gursoy

We consider the problem of adaptive modulation for wideband DS-CDMA Rayleigh fading channels with imperfect channel state information (CSI). We assume a multidimensional signal subspace spanned by a collection of random spreading codes…

信息论 · 计算机科学 2007-07-13 Richard J. Barton

In this paper, we first present an outer bound for a general interference channel with a cognitive relay, i.e., a relay that has non-causal knowledge of both independent messages transmitted in the interference channel. This outer bound…

信息论 · 计算机科学 2015-03-17 Stefano Rini , Daniela Tuninetti , Natasha Devroye

The Information Bottleneck (IB) method frequently suffers from unstable optimization, characterized by abrupt representation shifts near critical points of the IB trade-off parameter, beta. In this paper, I introduce a novel approach to…

机器学习 · 计算机科学 2025-05-15 Faruk Alpay

We consider the problem of multiple-input single-output Broadcast Channels with Rayleigh fading where the transmitter has access to delayed knowledge of the channel state information. We first characterize the capacity region of this…

信息论 · 计算机科学 2016-06-23 Alireza Vahid , Mohammad Ali Maddah-Ali , Amir Salman Avestimehr
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