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Relay networks having $n$ source-to-destination pairs and $m$ half-duplex relays, all operating in the same frequency band in the presence of block fading, are analyzed. This setup has attracted significant attention and several relaying…

信息论 · 计算机科学 2016-11-15 Shengshan Cui , Alexander M. Haimovich , Oren Somekh , H. Vincent Poor

Consider the broadcast relay channel (BRC) which consists of a source sending information over a two user broadcast channel in presence of two relay nodes that help the transmission to the destinations. Clearly, this network with five nodes…

信息论 · 计算机科学 2010-05-05 Arash Behboodi , Pablo Piantanida

A memoryless state-dependent broadcast channel (BC) is considered, where the transmitter wishes to convey two private messages to two receivers while simultaneously estimating the respective states via generalized feedback. The model at…

信息论 · 计算机科学 2020-11-09 Mehrasa Ahmadipour , Michèle Wigger , Mari Kobayashi

We consider a three-terminal state-dependent relay channel with the channel state available non-causally at only the source. Such a model may be of interest for node cooperation in the framework of cognition, i.e., collaborative signal…

信息论 · 计算机科学 2016-11-15 Abdellatif Zaidi , Shlomo Shamai , Pablo Piantanida , Luc Vandendorpe

Information Bottleneck (IB) is a technique to extract information about one target random variable through another relevant random variable. This technique has garnered significant interest due to its broad applications in information…

信息论 · 计算机科学 2024-04-09 Lingyi Chen , Shitong Wu , Jiachuan Ye , Huihui Wu , Wenyi Zhang , Hao Wu

Hybrid beamforming provides a promising solution to achieve high data rate transmission at millimeter waves. Implementing hybrid beamforming at a transceiver based on available channel state information is a common solution. However, many…

信息论 · 计算机科学 2018-07-04 Hsiao-Lan Chiang , Wolfgang Rave , Tobias Kadur , Gerhard Fettweis

The Rayleigh product channel model is useful in capturing the performance degradation due to rank deficiency of MIMO channels. In this paper, such a performance degradation is investigated via the channel outage probability assuming slowly…

信息论 · 计算机科学 2015-02-20 Zhong Zheng , Lu Wei , Roland Speicher , Ralf Müller , Jyri Hämäläinen , Jukka Corander

In this work, we propose Cell Variational Information Bottleneck Network (cellVIB), a convolutional neural network using information bottleneck mechanism, which can be combined with the latest feedforward network architecture in an…

计算机视觉与模式识别 · 计算机科学 2024-04-01 Zhonghua Zhai , Chen Ju , Jinsong Lan , Shuai Xiao

We study a four terminal parallel relay-eavesdropper channel which consists of multiple independent relay-eavesdropper channels as subchannels. For the discrete memoryless case, we establish inner and outer bounds on the rate-equivocation…

信息论 · 计算机科学 2010-11-10 Zohaib Hassan Awan , Abdellatif Zaidi , Luc Vandendorpe

We formulate and analyze the compound information bottleneck programming. In this problem, a Markov chain $ \mathsf{X} \rightarrow \mathsf{Y} \rightarrow \mathsf{Z} $ is assumed with fixed marginal distributions $\mathsf{P}_{\mathsf{X}}$…

信息论 · 计算机科学 2022-05-11 Michael Dikshtein , Nir Weinberger , Shlomo Shamai

A relay channel with orthogonal components that is affected by an interference signal that is noncausally available only at the source is studied. The interference signal has structure in that it is produced by another transmitter…

信息论 · 计算机科学 2016-11-15 Kagan Bakanoglu , Elza Erkip , Osvaldo Simeone , Sholomo Shamai

Successive relaying can improve the transmission rate by allowing the source and relays to transmit messages simultaneously, but it may cause severe inter-relay interference (IRI). IRI cancellation schemes have been proposed to mitigate…

信息论 · 计算机科学 2022-10-27 Lingrui Zhang , Yuxing Han , Qiong Wang , Wei Chen

Behavior Cloning (BC) is a widely adopted visual imitation learning method in robot manipulation. Current BC approaches often enhance generalization by leveraging large datasets and incorporating additional visual and textual modalities to…

机器人学 · 计算机科学 2025-05-14 Shuanghao Bai , Wanqi Zhou , Pengxiang Ding , Wei Zhao , Donglin Wang , Badong Chen

In this paper, we consider a more general four-terminal memoryless relay-eavesdropper channel with state information (REC-SI) and derive an achievable perfect secrecy rate for it. We suppose that the state information is non-causally…

信息论 · 计算机科学 2021-10-18 Nematollah Zarmehi

We consider the decoding of bit interleaved coded modulation (BICM) applied to multiband OFDM for practical scenarios where only a noisy (possibly very bad) estimate of the channel is available at the receiver. First, a decoding metric…

网络与互联网体系结构 · 计算机科学 2007-08-13 Sajad Sadough , Pablo Piantanida , Pierre Duhamel

We investigate the performance of a dual-hop intervehicular communications (IVC) system with relay selection strategy. We assume a generalized fading channel model, known as cascaded Rayleigh (also called n*Rayleigh), which involves the…

信息论 · 计算机科学 2021-01-06 Yahia Alghorani , Ahmed Salim Chekkouri , Djabir Abdeldjalil Chekired , Samuel Pierre

In this paper, we study a remote source coding scenario in which binary phase shift keying (BPSK) modulation sources are corrupted by additive white Gaussian noise (AWGN). An intermediate node, such as a relay, receives these observations…

信息论 · 计算机科学 2024-05-14 Yi Song , Kai Wan , Zhenyu Liao , Giuseppe Caire

Information Bottleneck (IB) is a widely used framework that enables the extraction of information related to a target random variable from a source random variable. In the objective function, IB controls the trade-off between data…

机器学习 · 计算机科学 2025-08-13 Sota Kudo , Naoaki Ono , Shigehiko Kanaya , Ming Huang

We consider a joint source-channel coding problem on a finite-field multiway relay channel, and we give closed-form lower and upper bounds on the optimal source-channel rate. These bounds are shown to be tight for all discrete memoryless…

信息论 · 计算机科学 2016-06-01 Lawrence Ong , Roy Timo

This article considers the massive MIMO unsourced random access problem on a quasi-static Rayleigh fading channel. Given a fixed message length and a prescribed number of channel uses, the objective is to construct a coding scheme that…