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BER Analysis of Dual-Hop Relaying With Energy Harvesting in Nakagami- $m$ Fading Channel

Mohammadreza Babaei, Umit Aygolu, Ertugrul Basar
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

Dong Qin, Yuhao Wang, Tianqing Zhou
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

Siddhartha S. Borkotoky, Michael C. Dowling, Michael B. Pursley
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]

Praveen Kumar Singya, Parvez Shaik, Nagendra Kumar, Vimal Bhatia
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

Lingwei Xu, Zhang Hao, Tingting Lu, Xing Liu, T. Aaron Gulliver
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

Praveen Kumar Singya, Parvez Shaik, Nagendra Kumar, Vimal Bhatia, Mohamed-Slim Alouini
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

HAMAD YAHYA, ASHFAQ AHMED, EMAD ALSUSA, ARAFAT AL-DWEIK, ZHIGUO DING 1
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

Praveen K. Singya, Nagendra Kumar, Vimal Bhatia, Mohamed-Slim Alouini
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

Bhuvan Modi, Olabiyi O, Annamalai A
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

Ravi Shankar, V. V. Raghava Raman, Kantilal Pitamber Rane, Sarojini B. K., Rahul Neware
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

Nagendra Kumar, Praveen Singya, Vimal Bhatia
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

P. Spalevic, M. Stefanovic, S. Panic, S. Minic, Lj. Spalevic
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

Dr. Anbu Karuppusamy S
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

Dong-Sup Jin, Xianglan Jin, Jong-Seon No, Dong-Joon Shin
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

H.A. Suraweera, D.S. Michalopoulos, G.K. Karagiannidis
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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