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Related papers: Causal relay networks

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In this paper, the throughput of relay networks with multiple source-destination pairs under queueing constraints has been investigated for both variable-rate and fixed-rate schemes. When channel side information (CSI) is available at the…

Information Theory · Computer Science 2015-10-08 Yi Li , M. Cenk Gursoy , Senem Velipasalar

For every Gaussian relay network with a single source-destination pair, it is known that there exists a corresponding deterministic network called the discrete superposition network that approximates its capacity uniformly over all SNR's to…

Information Theory · Computer Science 2016-11-17 M. Anand , P. R. Kumar

This paper aims to propose and theoretically analyze a new distributed scheme for sparse linear regression and feature selection. The primary goal is to learn the few causal features of a high-dimensional dataset based on noisy observations…

Machine Learning · Statistics 2021-11-05 Hanie Barghi , Amir Najafi , Seyed Abolfazl Motahari

This paper focuses on the capacity of peer-to-peer relay communications wherein the transmitter are assisted by an arbitrary number of parallel relays, i.e. there is no link and cooperation between the relays themselves. We detail the…

Information Theory · Computer Science 2014-04-08 Farshad Shams , Marco Luise

We study the transmission over a network in which users send information to a remote destination through relay nodes that are connected to the destination via finite-capacity error-free links, i.e., a cloud radio access network. The relays…

Information Theory · Computer Science 2019-01-31 Inaki Estella Aguerri , Abdellatif Zaidi , Giuseppe Caire , Shlomo Shamai

We investigate the problem of secure communication over parallel relay channel in the presence of a passive eavesdropper. We consider a four terminal relay-eavesdropper channel which consists of multiple relay-eavesdropper channels as…

Information Theory · Computer Science 2016-11-15 Zohaib Hassan Awan , Abdellatif Zaidi , Luc Vandendorpe

Distributional robustness is a central goal of prediction algorithms due to the prevalent distribution shifts in real-world data. The prediction model aims to minimize the worst-case risk among a class of distributions, a.k.a., an…

Machine Learning · Statistics 2025-05-20 Marin Šola , Peter Bühlmann , Xinwei Shen

The relay channel, consisting of a source-destination pair and a relay, is a fundamental component of cooperative communications. While the capacity of a general relay channel remains unknown, various relaying strategies, including…

Information Theory · Computer Science 2024-04-24 Ezgi Ozyilkan , Fabrizio Carpi , Siddharth Garg , Elza Erkip

In this paper, a buffered decode and forward (DF) relay based three-node underlay cooperative cognitive relay network (CRN) is considered with a direct path to the destination. The source and the relay use multiple rates, and joint rate and…

Information Theory · Computer Science 2018-09-05 Bhupendra Kumar , Shankar Prakriya

We consider the incorporation of causal knowledge about the presence or absence of (possibly indirect) causal relations into a causal model. Such causal relations correspond to directed paths in a causal model. This type of knowledge…

Artificial Intelligence · Computer Science 2012-07-03 Giorgos Borboudakis , Ioannis Tsamardinos

We consider the discrete memoryless symmetric primitive relay channel, where, a source $X$ wants to send information to a destination $Y$ with the help of a relay $Z$ and the relay can communicate to the destination via an error-free…

Information Theory · Computer Science 2016-03-31 Xiugang Wu , Ayfer Ozgur , Liang-Liang Xie

Causal Neural Network models have shown high levels of robustness to adversarial attacks as well as an increased capacity for generalisation tasks such as few-shot learning and rare-context classification compared to traditional Neural…

Machine Learning · Computer Science 2023-08-22 Preben M. Ness , Dusica Marijan , Sunanda Bose

The relay channel with unreliable helper is introduced and studied. The model is that of a classical relay channel where the input from the relay to the channel has an extra primitive link whose presence is not assured a priori. The extra…

Information Theory · Computer Science 2024-01-18 Yossef Steinberg

Unsupervised representation learning with variational inference relies heavily on independence assumptions over latent variables. Causal representation learning (CRL), however, argues that factors of variation in a dataset are, in fact,…

Machine Learning · Computer Science 2023-07-13 Avinash Kori , Pedro Sanchez , Konstantinos Vilouras , Ben Glocker , Sotirios A. Tsaftaris

We derive a set of causal deep neural networks whose architectures are a consequence of tensor (multilinear) factor analysis, a framework that facilitates causal inference. Forward causal questions are addressed with a neural network…

Machine Learning · Computer Science 2025-06-17 M. Alex O. Vasilescu

This study investigates the problem of communication for a network composed of two half-duplex parallel relays with additive white Gaussian noise. Two protocols, i.e., \emph{Simultaneous} and \emph{Successive} relaying, associated with two…

Information Theory · Computer Science 2016-11-17 Seyed Saeed Changiz Rezaei , Shahab Oveis Gharan , Amir K. Khandani

This paper studies the capacity of a class of discrete memoryless interference channels where interference is defined analogous to that of Gaussian interference channel with one-sided weak interference. The sum-rate capacity of this class…

Information Theory · Computer Science 2013-03-11 Fangfang Zhu , Biao Chen

Estimating total treatment effects in the presence of network interference typically requires knowledge of the underlying interaction structure. However, in many practical settings, network data is either unavailable, incomplete, or…

Methodology · Statistics 2026-02-05 Albert Tan , Sadegh Shirani , James Nordlund , Mohsen Bayati

A discrete memoryless half-duplex relay channel is constructed from a broadcast channel from the source to the relay and destination and a multiple access channel from the source and relay to the destination. When the relay listens, the…

Information Theory · Computer Science 2007-08-17 Saravanan Vijayakumaran , Tan F. Wong , Tat M. Lok

Traffic forecasting is a problem of intelligent transportation systems (ITS) and crucial for individuals and public agencies. Therefore, researches pay great attention to deal with the complex spatio-temporal dependencies of traffic system…

Machine Learning · Computer Science 2021-12-07 Yanjun Qin , Yuchen Fang , Haiyong Luo , Fang Zhao , Chenxing Wang