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A multi-hop relaying system is analyzed where data sent by a multi-antenna source is relayed by successive multi-antenna relays until it reaches a multi-antenna destination. Assuming correlated fading at each hop, each relay receives a…

Information Theory · Computer Science 2016-11-18 Nadia Fawaz , Keyvan Zarifi , Merouane Debbah , David Gesbert

This paper presents an analytical characterization of the ergodic capacity of amplify-and-forward (AF) MIMO dual-hop relay channels, assuming that the channel state information is available at the destination terminal only. In contrast to…

Information Theory · Computer Science 2016-11-17 Shi Jin , Matthew R. McKay , Caijun Zhong , Kai-Kit Wong

We analyze a multi-level MIMO relaying system where a multiple-antenna transmitter sends data to a multipleantenna receiver through several relay levels, also equipped with multiple antennas. Assuming correlated fading in each hop, each…

Information Theory · Computer Science 2016-11-17 Nadia Fawaz , Keyvan Zarifi , Merouane Debbah , David Gesbert

This paper considers the setup of a parallel MIMO relay network in which $K$ relays, each equipped with $N$ antennas, assist the transmitter and the receiver, each equipped with $M$ antennas, in the half-duplex mode, under the assumption…

Information Theory · Computer Science 2007-07-13 Shahab Oveis Gharan , Alireza Bayesteh , Amir K. Khandani

Relaying has been extensively studied during the last decades and has found numerous applications in wireless communications. The simplest relaying method, namely amplify and forward, has shown potential in MIMO multiple access systems,…

Information Theory · Computer Science 2014-11-07 Symeon Chatzinotas

This paper investigates the performance of optimal single stream beamforming schemes in multiple-input multiple-output (MIMO) dual-hop amplify-and-forward (AF) systems. Assuming channel state information is not available at the source and…

Information Theory · Computer Science 2016-11-17 Caijun Zhong , Tharm Ratnarajah , Shi Jin , Kai Kit Wong

The remarkable promise of multiple-input multiple-output (MIMO) wireless channels has motivated an intense research activity to characterize the theoretical and practical issues associated with the design of transmit (source) and receive…

Information Theory · Computer Science 2013-03-13 Luca Sanguinetti , Antonio A. D'Amico , Yue Rong

Presence of multiple antennas on both sides of a communication channel promises significant improvements in system throughput and power efficiency. In effect, a new class of large multiple-input multiple-output (MIMO) communication systems…

Information Theory · Computer Science 2014-01-28 Maksym A. Girnyk , Mikko Vehkaperä , Lars K. Rasmussen

We Consider a multihop relay network in which two terminals are communicating with each other via a number of cluster of relays. Performance of such networks depends on the routing protocols employed. In this paper, we find the expressions…

Information Theory · Computer Science 2012-02-20 Ferkan Yilmaz , Fahd Ahmed Khan , Mohamed-Slim Alouini

This paper considers a multiuser massive multiple-input multiple-output uplink with the help of an analog amplify-and-forward relay. The base station equips a large array of $N_d$ antennas but is supported by a far smaller number of…

Information Theory · Computer Science 2020-06-01 Jindan Xu , Yucheng Wang , Wei Xu , Shi Jin , Hong Shen , Xiaohu You

This paper exploits the multi-antenna technique to enhance the covert communication performance in a relay system, where a source S conducts covert communication with a destination D via a relay R, subjecting to the detections of…

Cryptography and Security · Computer Science 2024-07-17 He Zhu , Huihui Wu , Wei Su , Xiaohong Jiang

In this two-part paper, we consider the multiantenna multihop relay channels in which the source signal arrives at the destination through N independent relaying hops in series. The main concern of this work is to design relaying strategies…

Information Theory · Computer Science 2007-07-13 Sheng Yang , Jean-Claude Belfiore

Massive multiple-input multiple-output (MIMO) is a transmission technique for cellular systems that uses many antennas to support not-as-many users. Thus far, the performance of massive MIMO has only been examined in finite cellular…

Information Theory · Computer Science 2013-05-13 Tianyang Bai , Robert W. Heath,

This paper considers a multi-pair two-way amplify-and-forward relaying system, where multiple pairs of full-duplex users are served via a full-duplex relay with massive antennas, and the relay adopts maximum-ratio combining/maximum-ratio…

Information Theory · Computer Science 2016-12-15 Zhanzhan Zhang , Zhiyong Chen , Manyuan Shen , Bin Xia , Weiliang Xie , Yong Zhao

We study a multihop "virtual" full-duplex relay channel as a special case of a general multiple multicast relay network. For such channel, quantize-map-and-forward (QMF) (or noisy network coding (NNC)) achieves the cut-set upper bound…

Information Theory · Computer Science 2015-04-24 Song-Nam Hong , Ivana Maric , Dennis Hui , Giuseppe Caire

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

This work considers the downlink of a multicell massive MIMO system in which $L$ base stations (BSs) of $N$ antennas each communicate with $K$ single-antenna user equipments randomly positioned in the coverage area. Within this setting, we…

Information Theory · Computer Science 2016-05-11 Luca Sanguinetti , Abla Kammoun , Merouane Debbah

In this paper, we analyze the asymptotic performance of multiple antenna channels where the transmitter has either perfect or finite bit channel state information. Using the diversity-multiplexing tradeoff to characterize the system…

Information Theory · Computer Science 2007-07-13 Ahmad Khoshnevis , Ashutosh Sabharwal

In practical mobile communication engineering applications, surfaces of antenna array deployment regions are usually uneven. Therefore, massive multi-input-multi-output (MIMO) communication systems usually transmit wireless signals by…

Information Theory · Computer Science 2016-04-19 Xiaohu Ge , Ran Zi , Haichao Wang , Jing Zhang , Minho Jo

This paper studies the general multi-antenna multiple-relay network. Every two nodes of the network are either connected together through a Rayleigh fading channel or disconnected. We study the ergodic capacity of the network in the high…

Information Theory · Computer Science 2009-12-22 Shahab Oveis Gharan , Amir K. Khandani
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