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Related papers: Compute-and-Forward Two-Way Relaying

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The layered two-hop, two-flow interference network is considered that consists of two sources, two relays and two destinations with the first hop network between he sources and the relays and the second hop network between relays and…

Information Theory · Computer Science 2011-09-28 Chinmay S. Vaze , Mahesh K. Varanasi

Scalar Quantize & Forward (QF) schemes are studied for the Two-Way Relay Channel. Different QF approaches are compared in terms of rates as well as relay and decoder complexity. A coding scheme not requiring Slepian-Wolf coding at the relay…

Information Theory · Computer Science 2013-01-29 Michael Heindlmaier , Onurcan Iscan , Christopher Rosanka

This paper considers the cooperation between a cognitive system and a primary system where multiple cognitive base stations (CBSs) relay the primary user's (PU) signals in exchange for more opportunity to transmit their own signals. The…

Information Theory · Computer Science 2015-06-04 Gan Zheng , S. H. Song , Kai-Kit Wong , Bjorn Ottersten

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…

Information Theory · Computer Science 2014-07-07 Arti M. K. , Manav R. Bhatnagar

Wireless networks with multiple nodes that relay information from a source to a destination are expected to be deployed in many applications. Therefore, understanding their design and performance under practical constraints is important. In…

Information Theory · Computer Science 2010-01-22 Bama Muthuramalingam , Srikrishna Bhashyam , Andrew Thangaraj

We consider the design and analysis of coding schemes for the binary input two way relay channel with erasure noise. We are particularly interested in reliable physical layer network coding in which the relay performs perfect error…

Information Theory · Computer Science 2016-11-17 Brett Hern , Krishna Narayanan

A new approach to distributed cooperative beamforming in relay networks with frequency selective fading is proposed. It is assumed that all the relay nodes are equipped with finite impulse response (FIR) filters and use a filter-and-forward…

Adaptation and Self-Organizing Systems · Physics 2016-11-15 Haihua Chen , Alex B. Gershman , Shahram Shahbazpanahi

Motivated by the fact that full diversity order is achieved using the "best-relay" selection technique, we consider opportunistic amplify-and-forward and decode-and-forward relaying systems. We focus on the outage probability of such a…

Information Theory · Computer Science 2016-11-15 Ashkan Kalantari , Mohammadali Mohammadi , Mehrdad Ardebilipour

The problem of optimal power allocation among the relays in a two-hop decode-and-forward cooperative relay network with independent Rayleigh fading channels is considered. It is assumed that only the relays that decode the source message…

Information Theory · Computer Science 2015-05-27 Arash Khabbazibasmenj , Sergiy A. Vorobyov

The problem of multicasting multiple messages with the help of a relay, which may also have an independent message of its own to multicast, is considered. As a first step to address this general model, referred to as the compound multiple…

Information Theory · Computer Science 2016-11-17 D. Gunduz , O. Simeone , A. Goldsmith , H. V. Poor , S. Shamai

This paper analyses the data rate achieved by various relay selection schemes in a single-user multi-hop relay network with decode-and-forward (DF) relaying. While the single-user relay selection problem is well studied in the literature,…

Information Theory · Computer Science 2023-08-17 Shalanika Dayarathna , Rajitha Senanayake , Jamie Evans

Signal fading due to atmospheric channel impairments and pointing error is a major bottleneck for the performance of optical wireless communication (OWC). In this paper, we consider an amplify-and-forward (AF) optical relaying to enhance…

Signal Processing · Electrical Eng. & Systems 2020-06-15 Tejas Nimish Shah , Ziyaur Rahman , S. M. Zafaruddin

We present a modified compute-and-forward scheme which utilizes Channel State Information at the Transmitters (CSIT) in a natural way. The modified scheme allows different users to have different coding rates, and use CSIT to achieve larger…

Information Theory · Computer Science 2015-02-03 Jingge Zhu , Michael Gastpar

This paper focuses on the capacity of point-to-point relay communications wherein the transmitter is assisted by an intermediate relay. We detail the mathematical model of cutset and amplify and forward (AF) relaying strategy. We present…

Information Theory · Computer Science 2013-01-15 Farshad Shams , Marco Luise

Full-Duplex (FD) Amplify-and-Forward (AF) Multiple-Input Multiple-Output (MIMO) relaying has been the focus of several recent studies, due to the potential for achieving a higher spectral efficiency and lower latency, together with inherent…

Information Theory · Computer Science 2020-08-17 Omid Taghizadeh , Slawomir Stanczak , Hiroki Iimori , Giuseppe Abreu

Wireless systems that carry delay-sensitive information (such as speech and/or video signals) typically transmit with fixed data rates, but may occasionally suffer from transmission outages caused by the random nature of the fading…

Information Theory · Computer Science 2014-04-01 Zoran Hadzi-Velkov , Nikola Zlatanov , Robert Schober

In this paper, the blocklength-limited performance of a relaying system is studied, where channels are assumed to experience quasi-static Rayleigh fading while at the same time only the average channel state information (CSI) is available…

Information Theory · Computer Science 2016-11-15 Yulin Hu , Anke Schmeink , James Gross

In this paper, we consider a parallel relay network where two relays cooperatively help a source transmit to a destination. We assume the source and the destination nodes are equipped with multiple antennas. Three basic schemes and their…

Information Theory · Computer Science 2017-01-27 Muryong Kim , Sae-Young Chung

In this paper, we consider a dual-hop Multiple Input Multiple Output (MIMO) relay wireless network, in which a source-destination pair both equipped with multiple antennas communicates through a large number of half-duplex…

Networking and Internet Architecture · Computer Science 2013-02-07 Yu Zhang , Hanwen Luo , Wen Chen

Two-way relaying can considerably improve spectral efficiency in relay-assisted bidirectional communications. However, the benefits and flexible structure of orthogonal frequency division multiplexing (OFDM)-based two-way decode-and-forward…

Information Theory · Computer Science 2013-01-28 Yuan Liu , Jianhua Mo , Meixia Tao
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