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In this work we study the behavior of a full-duplex (FD) and amplify-and-forward (AF) relay with multiple antennas, where hardware impairments of the FD relay transceiver is taken into account. Due to the inter-dependency of the transmit…

Information Theory · Computer Science 2018-02-14 Omid Taghizadeh , Ali Cagatay Cirik , Rudolf Mathar

Hardware impairments, such as phase noise, quantization errors, non-linearities, and noise amplification, have baneful effects on wireless communications. In this paper, we investigate the effect of hardware impairments on multipair massive…

Information Theory · Computer Science 2017-08-03 Ying Liu , Xipeng Xue , Jiayi Zhang , Xu Li , Linglong Dai , Shi Jin

Relay systems improve both coverage and system capacity. Towards this direction, full-duplex (FD) technology, being able to boost the spectral efficiency by transmitting and receiving simultaneously on the same frequency and time resources,…

Information Theory · Computer Science 2018-06-15 Anastasios Papazafeiropoulos , Tharmalingam Ratnarajah

In this paper, the filter-and-forward (FF) relay design for multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems is considered. Due to the considered MIMO structure, the problem of joint design of…

Information Theory · Computer Science 2013-10-14 Donggun Kim , Youngchul Sung , Jihoon Chung

The performance of full-duplex (FD) relay systems can be greatly impacted by the self-interference (SI) at relays. By exploiting multi-antenna in FD relay systems, the spectral efficiency of FD relay systems can be enhanced through spatial…

Information Theory · Computer Science 2016-11-03 Qingjiang Shi , Mingyi Hong , Xiqi Gao , Enbin Song , Yunlong Cai , Weiqiang Xu

This paper considers multiple-input multiple-output (MIMO) relay communication in multi-cellular (interference) systems in which MIMO source-destination pairs communicate simultaneously. It is assumed that due to severe attenuation and/or…

Information Theory · Computer Science 2017-03-28 Muhammad R A Khandaker , Kai-Kit Wong

We consider two-way amplify and forward relaying, where multiple full-duplex user pairs exchange information via a shared full-duplex massive multiple-input multiple-output (MIMO) relay. Most of the previous massive MIMO relaying works…

Information Theory · Computer Science 2017-10-05 Ekant Sharma , Rohit Budhiraja , K Vasudevan , Lajos Hanzo

Massive multiple-input multiple-output (MIMO) relaying is a promising technological paradigm which can offer high spectral efficiency and substantially improved coverage. Yet, these configurations face some formidable challenges in terms of…

Information Theory · Computer Science 2016-03-02 Milad Fozooni , Michail Matthaiou , Shi Jin , George C. Alexandropoulos

This paper studies the massive MIMO full-duplex relaying (MM-FDR), where multiple source-destination pairs communicate simultaneously with the help of a common full-duplex relay equipped with very large antenna arrays. Different from the…

Information Theory · Computer Science 2016-01-20 Xiaochen Xia , Dongmei Zhang , Kui Xu , Wenfeng Ma , Youyun Xu

In this paper, we deal with the deployment of full-duplex relaying in amplify-and-forward (AF) cooperative networks with multiple-antenna terminals. In contrast to previous studies, which focus on the spatial mitigation of the loopback…

Information Theory · Computer Science 2016-11-15 Himal A. Suraweera , Ioannis Krikidis , Gan Zheng , Chau Yuen , Peter J. Smith

In this paper, we consider a full-duplex (FD) amplify-and-forward (AF) relay system and optimize its power allocation and relay location to minimize the system symbol error rate (SER). We first derive the asymptotic expressions of the…

Information Theory · Computer Science 2017-03-22 Shuai Li , Kun Yang , Mingxin Zhou , Jianjun Wu , Lingyang Song , Yonghui Li , Hongbin Li

In this paper, we investigate the optimization problem of joint source and relay beamforming matrices for a twoway amplify-and-forward (AF) multi-input multi-output (MIMO) relay system. The system consisting of two source nodes and two…

Information Theory · Computer Science 2015-02-18 Wei Duan , Wei Song , Moon Ho Lee

In this paper, we analyze the asymptotic rate for a multi-carrier (MC) full-duplex (FD) massive multiple input multiple output (mMIMO) decode and forward (DF) relay system which serves multiple MC single-antenna half-duplex (HD) nodes. We…

Information Theory · Computer Science 2020-11-18 Vimal Radhakrishnan , Omid Taghizadeh , Rudolf Mathar

Interference alignment is a signaling technique that provides high multiplexing gain in the interference channel. It can be extended to multi-hop interference channels, where relays aid transmission between sources and destinations. In…

Information Theory · Computer Science 2016-11-15 Kien T. Truong , Philippe Sartori , Robert W. Heath

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

We consider two-way amplify and forward relaying, where multiple full-duplex user pairs exchange information via a shared full-duplex massive multiple-input multiple-output (MIMO) relay. We derive closed-form lower bound for the spectral…

Information Theory · Computer Science 2017-10-04 Ekant Sharma , Rohit Budhiraja , K Vasudevan

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

Massive multiple-input multiple-output (MIMO) avails of simple transceiver design which can tackle many drawbacks of relay systems in terms of complicated signal processing, latency, and noise amplification. However, the cost and circuit…

Information Theory · Computer Science 2018-08-29 Milad Fozooni , Hien Quoc Ngo , Michail Matthaiou , Shi Jin , George C. Alexandropoulos

The increasingly demanding objectives for next generation wireless communications have spurred recent research activities on multi-antenna transceiver hardware architectures and relevant intelligent communication schemes. Among them belong…

Information Theory · Computer Science 2022-05-18 George C. Alexandropoulos , Md Atiqul Islam , Besma Smida

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
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