1,099 Hits in 3.9 sec

Probabilistic cooperative coded forwarding for broadcast transmissions in industrial mobile edge communications

Wenjun Huang, Xu Li, Yanan Liang
2022 EURASIP Journal on Wireless Communications and Networking  
First, the data packets are encoded at a source IIoT node using the systematic sparse network coding (SSNC) mechanism, then the source broadcasts the coded packets to its one-hop neighbors.  ...  These provide insights for further optimization of multi-hop data transmission in mobile edge IIoTs.  ...  The advantages of network coding meet the requirement of efficient multi-hop data transmission in mobile edge networks.  ... 
doi:10.1186/s13638-022-02132-4 fatcat:w46nuka3qfatthndwmk5s7772q

Machine-to-machine communications: Technologies and challenges

Kwang-Cheng Chen, Shao-Yu Lien
2014 Ad hoc networks  
Related technologies toward practical realization are explored to complete fundamental understanding and engineering knowledge of this new communication and networking technology front.  ...  Consequently, traffic reduction in general multi-hop networks remains an open problem.  ...  In this section, we focus on state-of-the-art tech-nology to implement multi-hop cognitive radio networks and multi-hop spectrum sharing heterogeneous 1 wireless networks, and associated research opportunities  ... 
doi:10.1016/j.adhoc.2013.03.007 fatcat:fsd6zefdq5fotbm5vhpozc4wci

Hybrid phase transition into an absorbing state: Percolation and avalanches

Deokjae Lee, S. Choi, M. Stippinger, J. Kertész, B. Kahng
2016 Physical review. E  
Here we study these phenomena on the Erdős--Rényi and the two dimensional interdependent networks and show that the hybrid percolation transition exhibits two kinds of critical behaviors: divergence of  ...  The exponent β_m of the order parameter is 1/2 under general conditions, while the value of the exponent γ_m characterizing the fluctuations of the order parameter depends on the system.  ...  Examples include the k-core percolation [1-3], generalized epidemic spreading [4, 5] , and synchronization [6, 7] .  ... 
doi:10.1103/physreve.93.042109 pmid:27176256 fatcat:vg2sytctindyrbmw4rxssmaeai

Electric properties of carbon nano-onion/polyaniline composites: a combined electric modulus and ac conductivity study [article]

Anthony N. Papathanassiou, Olena Mykhailiv, Luis Echegoyen, Ilias Sakellis, Marta E. Plonska-Brzezinska
2017 arXiv   pre-print
The complex electric modulus and the ac conductivity of carbon nanoonion/polyaniline composites were studied from 1 mHz to 1 MHz at isothermal conditions ranging from 15 K to room temperature.  ...  The temperature dependence of the electric modulus and the dc conductivity analyses indicate a couple of hopping mechanisms.  ...  The multi-layered carbon arrays yield large capacitance values, a property related to charge storage, while a conductivity percolation network permits charge transfer to occur along the specimen.  ... 
arXiv:1705.00195v1 fatcat:x5ysvqmebfdqvfwh7rv3tx4mgm

Influencer identification in dynamical complex systems [article]

Sen Pei, Jiannan Wang, Flaviano Morone, Hernán A Makse
2019 arXiv   pre-print
The integrity and functionality of many real-world complex systems hinge on a small set of pivotal nodes, or influencers.  ...  In particular, we first discuss the problem of finding the minimal number of nodes whose removal would breakdown the network (i.e., the optimal percolation or network dismantle problem), and then survey  ...  Recently, k-core percolation is generalized to multiplex networks [86] .  ... 
arXiv:1907.13017v3 fatcat:5lw7uebqqbht5bn5tjamjn7jau

A Review: Mobile AdQ Hoc Routing Protocols

Himanshu Walia, Mandeep Singh, Rahul Malhotra
2016 International Journal of Future Generation Communication and Networking  
The absence of any central coordinator makes the routing complex as compared to cellular networks. Ad hoc wireless network consist of multi-hop wireless link with distributing routing.  ...  Mobile adhoc network is defined as multi-hop radio relaying and are capable of operating without the support of any fixed infrastructure.  ...  [13] Mobile nodes that autonomously established connectivity via multi hop wireless communication is collectively termed under adhoc networks.  ... 
doi:10.14257/ijfgcn.2016.9.2.20 fatcat:umges33ahffv5f75of2u23v4o4

Stochastic geometry and random graphs for the analysis and design of wireless networks

M. Haenggi, J.G. Andrews, F. Baccelli, O. Dousse, M. Franceschetti
2009 IEEE Journal on Selected Areas in Communications  
to results on the connectivity, the capacity, the outage probability, and other fundamental limits of wireless networks.  ...  In this case, different techniques based on stochastic geometry and the theory of random geometric graphs -including point process theory, percolation theory, and probabilistic combinatorics -have led  ...  More recently, percolation models have been used to model the connectivity of wireless multi-hop networks.  ... 
doi:10.1109/jsac.2009.090902 fatcat:kdjhybk26zbmzc3uljjcs2b6oa

SeedGNN: Graph Neural Networks for Supervised Seeded Graph Matching [article]

Liren Yu, Jiaming Xu, Xiaojun Lin
2022 arXiv   pre-print
First, SeedGNN can easily learn the capability of counting and using witnesses of different hops, in a way that can be generalized to graphs with different sizes.  ...  Second, SeedGNN can use easily-matched pairs as new seeds to percolate and match other nodes.  ...  ., the Percolation algorithm in [Kazemi et al., 2015] only uses the 1-hop witnesses to generate new seeds), our SeedGNN is much more flexible.  ... 
arXiv:2205.13679v1 fatcat:epbdzdvrmrf6lggs43hjkyqivq

Spatial networks with wireless applications [article]

Carl Dettmann, Orestis Georgiou, Pete Pratt
2018 arXiv   pre-print
Many networks have nodes located in physical space, with links more common between closely spaced pairs of nodes.  ...  For example, the nodes could be wireless devices and links communication channels in a wireless mesh network.  ...  This is however an idealized scenario in what is often a very large and complex multi-layered network system.  ... 
arXiv:1803.04166v1 fatcat:bhkobrjgubexpffsxlvvvalroi

Critical charge transport networks in doped organic semiconductors

Andreas Hofacker
2020 Communications Materials  
We show that transport in the complex potential landscape that emerges from the presence of localized charges can be aptly analyzed by focusing on the network properties of transport paths instead of just  ...  Here, we present a theoretical and computational approach based on percolation theory and quantitatively predict experimental results from the literature for the archetype small molecule materials ZnPc  ...  We thank the Center for Information Services and High Performance Computing (ZIH) at TU Dresden for generous allocations of computer time.  ... 
doi:10.1038/s43246-020-00091-1 fatcat:o4r2he2w5vg2fatpb2sobncckm

Information-theoretic Capacity of Clustered Random Networks [article]

Michele Garetto, Alessandro Nordio, Carla-Fabiana Chiasserini, Emilio Leonardi
2010 arXiv   pre-print
We analyze the capacity scaling laws of clustered ad hoc networks in which nodes are distributed according to a doubly stochastic shot-noise Cox process.  ...  A cooperative multi-hop strategy is applied, in which MIMO communications are established between the nodes belonging to neighboring cells, and global multi-hopping at the cell level is employed to transfer  ...  hopping, in which nodes employ a cooperative multi-hop scheme, where l = ω(d c √ log n); III: cooperative inter-cluster hopping, in which l = Θ(d c √ log n), i.e., the cell edge size is closely related  ... 
arXiv:1006.1592v1 fatcat:kbtqxofkqzgwnhf37hgwi44qfq

The dynamical crossover in attractive colloidal systems

Francesco Mallamace, Carmelo Corsaro, H. Eugene Stanley, Domenico Mallamace, Sow-Hsin Chen
2013 Journal of Chemical Physics  
These results suggest a larger thermodynamic generality for this phenomenon, which is usually studied only as a function of the temperature.  ...  thus demonstrate that it is possible, using the conceptual framework provided by extended mode-coupling theory, to describe the way a system approaches dynamic arrest, taking into account both cage and hopping  ...  The general trend that α decreases during the percolation process is a result of the clustering process that reduces the micellar mobility. FIG. 4.  ... 
doi:10.1063/1.4833595 pmid:24320386 fatcat:selkwta3bvhznk6yqqsynz7t2y

Percolation Models of Self-Organized Critical Phenomena [article]

Alexander V. Milovanov
2012 arXiv   pre-print
Several physical consequences are described which are relevant to transport processes in complex systems.  ...  In this chapter of the e-book "Self-Organized Criticality Systems" we summarize some theoretical approaches to self-organized criticality (SOC) phenomena that involve percolation as an essential key ingredient  ...  past 420,000 years from the Vostok ice core, Antarctica.  ... 
arXiv:1207.5389v1 fatcat:2gioxip2y5cpvnlki7y3yjujiy

Effect of Injection Molding Conditions on Crystalline Structure and Electrical Resistivity of PP/MWCNT Nanocomposites

Marta Zaccone, Ilaria Armentano, Federico Cesano, Domenica Scarano, Alberto Frache, Luigi Torre, Marco Monti
2020 Polymers  
The effect of processing conditions on the crystallinity and electrical resistivity was studied.  ...  Polypropylene (PP) / multi-walled carbon nanotube (MWCNT) nanocomposites were prepared by melt-mixing and used to manufacture samples by injection molding.  ...  Injection molding is generally considered one of the most used techniques for manufacturing plastic components.  ... 
doi:10.3390/polym12081685 pmid:32731594 fatcat:qa6iohxlbjh4bev6tdo2et2ypq

Critical phenomena in complex networks

S. N. Dorogovtsev, A. V. Goltsev, J. F. F. Mendes
2008 Reviews of Modern Physics  
We overview a wide range of critical phenomena in equilibrium and growing networks including the birth of the giant connected component, percolation, k-core percolation, phenomena near epidemic thresholds  ...  , condensation transitions, critical phenomena in spin models placed on networks, synchronization, and self-organized criticality effects in interacting systems on networks.  ...  Equation (50) shows that general conclusions for percolation on complex networks are also valid for the SIS and SIR models. In particular, (i) the estimates and conclusions for p c from Secs.  ... 
doi:10.1103/revmodphys.80.1275 fatcat:uerf3cbhxfctpl4ivdrov5slle
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