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BER Analysis of Dual-Hop Relaying With Energy Harvesting in Nakagami- $m$ Fading Channel
2018
IEEE Transactions on Wireless Communications
The channels are assumed to be exposed to Nakagami-m fading and all nodes are equipped with one antenna. ...
In this system, the source communicates with the destination over an intermediate relay when the direct link between the source and the destination is in deep fade. ...
In [9] , a source communicates with a destination via an EH relay in which the channels are exposed to Nakagami-m fading and all nodes are equipped with multiple antennas. ...
doi:10.1109/twc.2018.2823711
fatcat:nmr2rj4365fcrnorfdaezf5sli
Average SEP of AF Relaying in Nakagami-m Fading Environments
2018
Wireless Communications and Mobile Computing
This paper is devoted to an investigation of an exact average symbol error probability (SEP) for amplify and forward (AF) relaying in independent Nakagami-m fading environments with a nonnegative integer ...
Four modulation modes are considered: rectangular quadrature amplitude modulation (QAM), M-ary phase shift keying (MPSK), M-ary differential phase shift keying (MDPSK), and π/4 differential quaternary ...
Integral-free bit error probability formulas were derived in [1, 2] for decode and forward (DF) cooperative systems. ...
doi:10.1155/2018/6581827
fatcat:vwaeisl6pzctnjedx7grhufk4y
Some results on two forms of erasure-correction coding for packet radio networks
2015
2015 Information Theory and Applications Workshop (ITA)
The radios adapt the modulation and channel coding of the transmitted signals in response to variations in fading on the links of the network. ...
The control information for the adaptive transmission protocol is provided by simple statistics that are derived in the demodulators and decoders of the radio receivers. ...
An equal stepsize Markov chain with 12 states is used to model the Nakagami-m fading channels. Each state of the Markov chain represents a unique fade level in dB. ...
doi:10.1109/ita.2015.7308999
dblp:conf/ita/BorkotokyDP15
fatcat:ynhqyq2akzdibpxe5q4xfjfo5u
A Survey on Design and Performance of Higher-Order QAM Constellations
[article]
2020
arXiv
pre-print
For odd power of 2 constellations, rectangular QAM (RQAM) is commonly used. ...
In this work, various QAM constellations are discussed and detailed study of star QAM, XQAM, and HQAM constellations is presented. ...
In [304] , authors investigated the SER of M -ary PSK and QAM constellations over Nakagami-m fading channels for hybrid selection/MRC diversity. ...
arXiv:2004.14708v1
fatcat:okupeb57cnaa3kjf3gyzhludde
Performance Analysis of the MRC M2M System
2015
International Journal of Future Generation Communication and Networking
The average symbol error probability (ASEP) of a mobile-to-mobile (M2M) system employing maximal ratio combining (MRC) over N-Nakagami fading channels is investigated in this paper. ...
), and pulse amplitude modulation (PAM). ...
Acknowledgements The authors would like to thank the referees and editor for providing helpful comments and suggestions. ...
doi:10.14257/ijfgcn.2015.8.2.23
fatcat:brk3togtbretdgx7tihbez322e
A Survey on Higher-Order QAM Constellations: Technical Challenges, Recent Advances, and Future Trends
2021
IEEE Open Journal of the Communications Society
In this work, various QAM constellations are discussed and detailed study of star QAM, XQAM, and HQAM is presented. ...
For odd power of 2 constellations, rectangular QAM (RQAM) is most commonly used. ...
modulations schemes encoded with gray mapping. In [195] , authors derived the generalized log likelihood ratio for soft decision channel decoding for QAM constellations. ...
doi:10.1109/ojcoms.2021.3067384
fatcat:xx3tpsasevbqjg3ej2vktivqdi
Error Rate Analysis of NOMA: Principles, Survey and Future Directions
2023
Zenodo
This paper serves as a survey on NOMA error rate analysis, painted in the large with bold and immediately recognizable strokes of insights to facilitate for the reader to understand and follow the up-to-date ...
In addition to summarizing the principles of NOMA error rate analysis, this work aims to minimize redundancy and overlaps, identify research gaps, and outline future research directions. ...
A simple network structure for dedicated user relaying in NOMA is that the near-user acts as a HD relay for the far-user either through decode-and-forward (DF) or amplify-and-forward (AF). ...
doi:10.5281/zenodo.8329120
fatcat:qmrhbrne7bg2rp77ctf6ktgffq
On Performance of Hexagonal, Cross and Rectangular QAM for Multi-relay Systems
2019
IEEE Access
Nakagami-m fading links with both integer and non-integer fading parameters. ...
In this paper, the performance of a dual-hop amplify-and-forward multi-relay system with best relay selection is analyzed over independent and non-identically distributed (i.n.i.d.) ...
Nakagami-m fading links with imperfect CSI. In [17] , performance analysis of an AF multi-relay system with selection cooperation is shown over Rayleigh distributed channel with imperfect CSI. ...
doi:10.1109/access.2019.2915375
fatcat:ejvoorhierfjjdlsskgkjafvuy
Joint-Design of Link-Adaptive Modulation and Coding with Adaptive ARQ for Cooperative Amplify and Forward Relaying System
2016
International Journal of Computer Networks & Communications
amplify-and-forward (CAF) relay networks besides employing AMC at the PHY layer, especially in the most challenging low signal-to-noise ratio (SNR) regime. ...
PHY/MAC design or optimization to cooperative diversity systems; (ii) generalization/unification of analytical expressions for various network performance metrics to generalized block fading channels ...
ACKNOWLEDGEMENT This research work is supported in part by funding from the US Air Force Research Laboratory/Clarkson Aerospace, US Army Research Office and the National Science Foundation. ...
doi:10.5121/ijcnc.2016.8314
fatcat:qxutotdshva2lh5f5iprg4rrny
An Investigation of the MIMO Space Time Block Code Based Selective Decode and Forward Relaying Network over n-u Fading Channel Conditions
2022
Journal of Telecommunications and Information Technology
In this paper, we examine the end-to-end average pairwise error probability (PEP) and output probability (OP) performance of the maximum ratio combining (MRC) based selective decode and forward (S-DF) ...
PEP performance significantly improves with an increase in the value of η η η for a fixed value of µ µ µ. The analytical and simulation curves are in close agreement for medium-to-high SNR values. ...
The authors of [15] examined OP and PEP performance of the MIMO STBC S-DF relaying network under time selective Nakagami-m fading channel circumstances, while accounting for poor CSI and node mobility ...
doi:10.26636/jtit.2022.150421
fatcat:epuq6r3f4bco3i6dnsgt42j6ra
On ASER Performance of Higher Order QAM Schemes in Two-Way Multiple-Relay Networks under Imperfect CSI
2020
IET Communications
Herein, the imperfect channel state information is considered over independent and non-identically distributed Nakagami-m fading channels with integer-valued fading parameter. ...
In this study, the authors present an analytical approach to evaluate the performance of a two-way multi-relay system with direct link using a three-phase analogue network coding and opportunistic relay ...
Acknowledgments The authors thank the National Institute of Technology (NIT) Jamshedpur, MeitY's Visvesvaraya PhD scheme, and the Indian Institute of Technology (IIT) Indore, for all the support. ...
doi:10.1049/iet-com.2019.0585
fatcat:imzld2qa5rexjnrzdbvfckfx2m
Amplify-and-Forward Relay Transmission System over Mixed Rayleigh and Hoyt Fading Channels
2012
Elektronika ir Elektrotechnika
Acknowledgement This work has been funded by the Serbian Ministry of Science under the projects TR32023 and III 044006. ...
1) and square/rectangular M-QAM. ...
In the case of regenerative systems (Decode-and-Forward), the relay fully decodes the signal that went through the first hop and retransmits the decoded version into the second hop. ...
doi:10.5755/j01.eee.120.4.1445
fatcat:xvra7rdjbfaxrdn34e6ku3ucmm
SOME INVESTIGATIONS ON IMPROVING PERFORMANCE OF FADING CANNELS IN MANETS
2021
Zenodo
SOME INVESTIGATIONS ON IMPROVING PERFORMANCE OF FADING CANNELS IN MANETS: D.Sc Thesis. ...
Variety of modulation approaches that includes Mary Quadrature Amplitude Modulation (M-QAM) have been reasoned with rectangular array and QPSK. ...
The cooperative network is investigated for different relay nodes location over Nakagami-m and Rician fading channels.Transmission is done in these three-time interval with the inter-relay. ...
doi:10.5281/zenodo.5148816
fatcat:3p7mvkqddfa6naoaz55fnelolq
Relay on-off threshold for NDF protocol with distributed orthogonal space-time block codes
2012
EURASIP Journal on Wireless Communications and Networking
In this article, a relay on-off threshold (ROT) based on symbol error rate is derived for the cooperative communication networks with multiple antennas, where the non-orthogonal decode-and-forward (NDF ...
) protocol with source antenna switching and linear combining decoding are used as the relaying protocol and decoding scheme, respectively. ...
[13] derived the ROT over the Rayleigh fading channel and Ikki and Ahamed [14] derived the ROT over the Nakagami-m fading channel. ...
doi:10.1186/1687-1499-2012-305
fatcat:imss24mfqzbtjl2iwlxdggym4u
Performance of Distributed Diversity Systems With a Single Amplify-and-Forward Relay
2009
IEEE Transactions on Vehicular Technology
amplify-and-forward (AF) relay under Rayleigh fading conditions. ...
Moreover, we interestingly note that the performance of DSSC with a single fixed-gain AF relay is similar to that of DSSC with a single decode-and-forward relay, despite its relative simplicity. ...
[3] over Rayleigh, Nakagami-m, and log-normal fading channels [5] . ...
doi:10.1109/tvt.2008.2007798
fatcat:gnwdorqbqve6njxmxpomgzh6om
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