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Diversity-multiplexing tradeoff in MIMO relay channels for a broad class of fading distributions
2010
IEEE Communications Letters
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The DMT turns out to be the same for the simple "amplify-and-forward" mode and more complicated "decode-and-forward" relaying (with capacity achieving codes), i.e. the full processing capability at the ...
Diversity multiplexing tradeoff (DMT) in MIMO relay channels, where the transmitter and receiver are equipped with multiple antennas and the relay with a single one, is derived for a broad class of fading ...
amplify-and-forward and decode-and-forward protocols. ...
doi:10.1109/lcomm.2010.04.091992
fatcat:veeemc3gyjhexf2v3ti4uktfoi
Outage probability of beamforming for multiuser MIMO relay networks with interference
2015
2015 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)
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The matrix e H models a N -hops amplify-and-forward MIMO relay system with uniform power allocation (UPA) at the source and at each relay stage, with amplification factors ¥ i , negligible noise level ...
An analytical characterization of multi-hop MIMO relay systems is only available in the large system limit, e.g., as the number of antennas at the source, at the destination and at each relay level grows ...
doi:10.1109/apwc.2015.7300173
fatcat:wj5r7cg3kzcmphfzadofhy5oum
Guest Editorial: Theories and Methods for Advanced Wireless Relays — Issue II
2013
IEEE Journal on Selected Areas in Communications
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The invited topics included MIMO relays, fullduplex relays, cooperative relays, relay channel estimation, relay channel coding and modulation, relay channel scheduling, networking issues of relays, security ...
issues of relays, and RF/DSP system design of relays. ...
Saeed Gazor (S'94-M'95-SM'98) received a B.Sc. degree in electronics and a M.Sc. degree in Communication Systems from Isfahan University of Technology, Isfahan, Iran, in 1987 and 1989, respectively. ...
doi:10.1109/jsac.2013.130801
fatcat:ob35h66kszedrid5bwqfvlpuiy
Ergodic Capacity Analysis of Multiple Input Multiple Output Systems with Dual Hop Amplify and Forward Relay Networks
2011
Journal of Computer Science
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and lower bounds for amplify and forward relay system using the probability density function of an unordered eigenvalues. ...
So we have analyzed the 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 ...
Rayleigh fading amplify-and-forward MIMO relay channel without direct link between source and destination is investigated in (Wang et al., 2009) . ...
doi:10.3844/jcssp.2011.1805.1812
fatcat:dew2iqsi2bb4xi4epzb26myl5y
Guest Editorial Theories and Methods for Advanced Wireless Relays — Issue I
2012
IEEE Journal on Selected Areas in Communications
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precoding (THP) for multihop amplify-and-forward MIMO relaying systems. ...
relay performs a channel-independent amplify-and-forward operation. ...
doi:10.1109/jsac.2012.120901
fatcat:mzagaquz3zgdhndvlxj6xlswha
An Efficient Relay Selection Method Based on ANN Channel Estimation Technique for Amplify and Forward Relay in Cooperative Networks
2021
Dynamic systems and applications
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An ANN-based channel estimation technique and relay selection scheme was proposed as an alternate to Fuzzy Logic Controller (FLC) based channel estimation system. ...
Simulated results for Multi-input Multi-output (MIMO) of 2×2 and 4×4 using Additive White Gaussian Noise (AWGN) and Rayleigh channel in terms of quantity (Mbps) compared with Signal to Noise Ratio (SNR ...
over Rayleigh and AWGN channels for MIMO systems. ...
doi:10.46719/dsa202130.10.06
fatcat:h4ocofwlhngqvcbkcseayzroyq
Ergodic mutual information and its fluctuation in multi-level MIMO relay system
2015
2015 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)
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POLITECNICO DI TORINO Repository ISTITUZIONALE Ergodic mutual information and its fluctuation in multi-level MIMO relay system / Zhou S.; Alfano G.; Chiasserini C.F.; Nordio A. ...
At the relay, the received signal is amplified with an adaptive gain G and forwarded to the user selected by the scheduling scheme. ...
The latter transmission occurs over a channel characterized by matrix H ru . ...
doi:10.1109/apwc.2015.7300187
fatcat:7omc42kwyjcjzoxqj34au5juk4
Co-operative Amplify and Forward Relaying Strategy for Mobile Adhoc Network for Efficient Communication
2017
IJIREEICE
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In this paper, we will discuss about the cooperative communications and analyze the performance of amplify and forward protocol for single relay model in idealistic condition which gives way forward to ...
Such an arrangement creates a virtual MIMO (multiple-input and multiple-output) system [2] [3] . ...
Later, Cover and El Gamal [7] investigated the relay channel model, and proposed a fundamental relaying strategies such as "Amplify and Forward (AF), Decode and Forward (DF) and Compress and Forward ...
doi:10.17148/ijireeice.2017.5204
fatcat:qriuie2azfbafhpbyjb4w7ipaa
Performance Analysis of Project-and-Forward Relaying in Mixed MIMO-Pinhole and Rayleigh Dual-Hop Channel
2016
IEEE Communications Letters
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2016 pre-print arXiv:1602.05445v1 fatcat:i7uq4ya6yrakfaz3ptglkic5ma
In this letter, we present an end-to-end performance analysis of dual-hop project-and-forward relaying in a realistic scenario, where the source-relay and the relay-destination links are experiencing MIMO-pinhole ...
Applying then the residue theory to Mellin-Barnes integrals, we infer the system asymptotic behavior for different channel parameters. ...
An inherent limitation in amplify-and-forward (AF) relaying systems is the so-called noise amplification and propagation that becomes even worse when the number of relay antennas increases, as the corresponding ...
doi:10.1109/lcomm.2016.2514348
fatcat:gsjkivvta5dj3h6qdjbtankl6u
Performance Analysis of a Two-Hop MIMO Mobile-to-Mobile via Stratospheric-Relay Link Employing Hierarchical Modulation
2013
International Journal of Antennas and Propagation
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It is assumed that the source, relay, and destination nodes are equipped with multiple antennas and that amplify-and-forward (AF) relaying is adopted. ...
In this direction, high-altitude platforms (HAPs) could act as relay stations in the stratosphere transferring information from an uplink to a downlink MIMO channel. ...
Propagation Characteristics and Channel Modeling In this section, the 3D model for MIMO MMSR channels proposed in [23] is described and the corresponding propagation characteristics are underlined. ...
doi:10.1155/2013/935609
fatcat:jfqmi2mkffc2jor7t7irip2hwe
FastForward
2014
Computer communication review
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This paper presents, FastForward (FF), a novel full-duplex relay that constructively forwards signals such that wireless network throughput and coverage is significantly enhanced. ...
FF's key invention is a constructive filtering algorithm that transforms the signal at the relay such that when it reaches the destination, it constructively combines with the direct signals from the source ...
How does the relay know the channels for construct and forward relaying? ...
doi:10.1145/2740070.2626327
fatcat:44phd4e4d5akvbuyvfijce6w5e
Selective relaying for reliability in power line cooperative communication system
2016
2016 International Conference on Wireless Networks and Mobile Communications (WINCOM)
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in the channel. ...
This is to allow signal conditioning for propagation over the power line as well as good reception. There are basically two broad areas of applications of PLC; Outdoor and Indoor. ...
Its channel and noise are as described in PLC amplify and forward. ...
doi:10.1109/wincom.2016.7777214
dblp:conf/wincom/AiyelabowoSNN16
fatcat:3vlk5mjnk5cvhbid23vtgvjucy
End-to-end channel capacity of MAC-PHY cross-layer multiple-hop MIMO relay system with outdated CSI
2013
EURASIP Journal on Wireless Communications and Networking
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For high end-to-end channel capacity, the amplify-and-forward scheme multiple-hop multiple-input multiple-output relay system is considered. ...
We have analyzed the performance of half-duplex multiple-hop relay system with the amplify-and-forward strategy [13] and ...
Ideal end-to-end channel capacity Since amplify-and-forward method is applied to the channel model, the noise is also amplified and transmitted to the next relay. ...
doi:10.1186/1687-1499-2013-144
fatcat:iq275vrkozfw7pmabgrybecl6y
Layered Capacity-Based Relay-and-Antenna Joint Selection for MIMO-AF-Multiple-Relay Systems in Correlated Channels
2012
International Journal of Antennas and Propagation
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A computationally efficient two-stage greedy capacity maximization (GCM) relay-and-antenna joint selection is proposed for a dual-hop nonregenerative amplify-and-forward (AF) multiple-input multiple-output ...
(MIMO) multiple-relay system with multiple antennas equipped at each node in correlated fading channels. ...
An opportunistic relaying approach, namely, distributed orthogonal relay selection (DORS), for dual-hop noncoherent AF-MIMO relay networks are 2 International Journal of Antennas and Propagation proposed ...
doi:10.1155/2012/681713
fatcat:s5hxoxikjvd4tec4inh3423kqm
Diversity-multiplexing tradeoff and outage probability in MIMO relay channels
2010
2010 IEEE International Symposium on Information Theory
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Fading MIMO relay channels are studied analytically, when the source and destination are equipped with multiple antennas and the relays have a single one. ...
The DMT is shown to depend not on a particular fading distribution, but rather on its polynomial behavior near zero, and is the same for the simple "amplify-and-forward" protocol and more complicated " ...
The standard baseband system model of a frequency flat relay channel in the amplify-and-forward mode is, rd sr rd sr rd rd r G G G
S D R + = + ξ + y h h x h (1) where x and y are the source (Tx) and ...
doi:10.1109/isit.2010.5513485
dblp:conf/isit/LevinL10
fatcat:errcekqevrdw7lw4vqfdnhcehu
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