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In this paper, we study virtual full-duplex (FD) buffer-aided relaying to recover the loss of multiplexing gain caused by half-duplex (HD) relaying in a multiple relay network, where each relay is equipped with a buffer and multiple…

Information Theory · Computer Science 2016-01-08 Su Min Kim , Mats Bengtsson

We consider a simple network consisting of a source, a half-duplex DF relay with a buffer, and a destination. We assume that the direct source-destination link is not available and all links undergo fading. We propose two new buffer-aided…

Information Theory · Computer Science 2013-02-19 Nikola Zlatanov , Robert Schober

In this work, we consider a dual-hop, decode-and-forward network where the relay can operate in full- duplex (FD) or half-duplex (HD) mode. We model the residual self-interference as an additive Gaussian noise with variance proportional to…

Information Theory · Computer Science 2017-08-07 Alessandro Nordio , Carla Fabiana Chiasserini , Emanuele Viterbo

This paper studies a full-duplex filter-and-forward (FD-FF) relay system in frequency-selective channels. Conventionally, the loop-back signal at the FD relay is treated as harmful self-interference and needs to be significantly suppressed…

Information Theory · Computer Science 2016-07-05 Jie Xu , Lingjie Duan , Rui Zhang

The hybrid half-duplex/full-duplex (HD/FD) relaying scheme is an effective paradigm to overcome the negative effects of the self-interference incurred by the full-duplex (FD) mode. However, traditional hybrid HD/FD scheme does not consider…

Information Theory · Computer Science 2018-02-23 Cheng Li , Bin Xia , Zhiyong Chen

Full-duplex (FD) communication has received great interest in recent years due to the potential of doubling the spectral efficiency. However, how to alleviate the detrimental effects of the residual self-interference (RSI) incurred by the…

Information Theory · Computer Science 2018-03-06 Cheng Li , Bin Xia , Pihe Hu , Yao Yao

In this paper, we consider a simple network consisting of a source, a half-duplex decode-and-forward relay, and a destination. We propose a new relaying protocol employing adaptive link selection, i.e., in any given time slot, based on the…

Information Theory · Computer Science 2015-03-20 Nikola Zlatanov , Robert Schober , Petar Popovski

In this paper, we investigate the capacity of the Gaussian two-hop full-duplex (FD) relay channel with residual self-interference. This channel is comprised of a source, an FD relay, and a destination, where a direct source-destination link…

Information Theory · Computer Science 2016-11-17 Nikola Zlatanov , Erik Sippel , Vahid Jamali , Robert Schober

We propose a novel mode of operation for Amplify-and-Forward relays in which the spectra of the relay input and output signals partially overlap. This partial-duplex relaying mode encompasses half-duplex and full-duplex as particular cases.…

Information Theory · Computer Science 2017-08-22 Roberto López-Valcarce , Carlos Mosquera

In this paper, we study a X-duplex relay system with one source, one amplify-and-forward (AF) relay and one destination, where the relay is equipped with a shared antenna and two radio frequency (RF) chains used for transmission or…

Networking and Internet Architecture · Computer Science 2017-01-23 Shuai Li , Mingxin Zhou , Jianjun Wu , Lingyang Song , Yonghui Li , Hongbin Li

We study in this paper a two-hop relaying network consisting of one source, one destination, and three amplify-and-forward (AF) relays operating in a half-duplex mode. In order to compensate for the inherent loss of capacity pre-log factor…

Information Theory · Computer Science 2012-07-17 Ki-Hong Park , Mohamed-Slim Alouini

In the half-duplex single relay selection network, comprised of a source, $M$ half-duplex relays, and a destination, only one relay is active at any given time, i.e., only one relay receives or transmits, and the other relays are inactive,…

Information Theory · Computer Science 2015-04-10 Nikola Zlatanov , Vahid Jamali , Robert Schober

In this paper, a multi-antenna assisted virtual full-duplex (FD) relaying with reliability-aware iterative decoding at destination node is proposed to improve system spectral efficiency and reliability. This scheme enables two half-duplex…

Information Theory · Computer Science 2017-10-19 Jiancao Hou , Sandeep Narayanan , Yi Ma , Mohammad Shikh-Bahaei

The problem of dual-hop transmission from a source to a destination via two parallel full-duplex relays in block Rayleigh fading environment is investigated. All nodes in the network are assumed to be oblivious to their forward channel…

Information Theory · Computer Science 2012-06-19 Mahdi Zamani , Amir K. Khandani

Energy-harvesting (EH) and wireless power transfer in cooperative relaying networks have recently attracted a considerable amount of research attention. Most of the existing work on this topic however focuses on Rayleigh fading channels,…

Signal Processing · Electrical Eng. & Systems 2018-07-17 Khaled M. Rabie , Bamidele Adebisi , Mohamed-Slim Alouini

Hybrid radio frequency (RF)/free space optical (FSO) systems are among the candidate enabling technologies for the next generation of wireless networks since they benefit from both the high data rates of the FSO subsystem and the high…

Information Theory · Computer Science 2016-08-10 Marzieh Najafi , Vahid Jamali , Robert Schober

In this paper, a symbol-level selective transmission for full-duplex (FD) relaying networks is proposed to mitigate error propagation effects and improve system spectral efficiency. The idea is to allow the FD relay node to predict the…

Information Theory · Computer Science 2018-06-05 Jiancao Hou , Sandeep Narayanan , Na Yi , Yi Ma , Mohammad Shikh-Bahaei

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

In-band full-duplex transmission allows a relay station to theoretically double its spectral efficiency by simultaneously receiving and transmitting in the same frequency band, when compared to the traditional half-duplex or out-of-band…

Information Theory · Computer Science 2019-03-07 João S. Lemos , Francisco A. Monteiro , Ivo Sousa , António Rodrigues

We consider a bidirectional network in which two users exchange information with the help of a buffer-aided relay. In such a network without direct link between user 1 and user 2, there exist six possible transmission modes, i.e., four…

Information Theory · Computer Science 2013-06-13 Vahid Jamali , Nikola Zlatanov , Aissa Ikhlef , Robert Schober
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