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On Some Ev-Degree and Ve-Degree Dependent Indices of benes network and Its Derived Classes

Computer Modeling in Engineering & Sciences 2023年第5期135卷 1685-1699页

作者： Wenhu Wang Hibba Arshad Asfand Fahad Imran Javaid School of Software Pingdingshan UniversityPingdingshanChina College of Computing and Information Technologies National UniversityManilaPhilippines Henan International Joint Laboratory for Multidimensional Topology and Carcinogenic Characteristics Analysis of Atmospheric Particulate Matter PM2.5 PingdingshanChina Centre for Advanced Studies in Pure and Applied Mathematics Bahauddin Zakariya UniversityMultanPakistan

One of the most recent developments in the field of graph theory is the analysis of networks such as Butterfly networks,benes networks,Interconnection networks,and David-derived networks using graph theoretic *** topological indices(TIs)have been widely used as graph invariants among various graph theoretic *** structure activity relationships(QSAR)and quantitative structure property relationships(QSPR)need the use of *** structure-based parameters,such as the degree and distance of vertices in graphs,contribute to the determination of the values of *** other recently introduced novelties,the classes of ev-degree and ve-degree dependent TIs have been extensively explored for various graph *** current research focuses on the development of formulae for different ev-degree and ve-degree dependent TIs for s−dimensional benes network and certain networks derived from *** the end,a comparison between the values of the TIs for these networks has been presented through graphical tools.

关键词： Topological indices ev-degree ve-degree butterfly network benes network

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Modified benes network architecture for WiMAX LDPC decoder

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Journal of Southeast University(English Edition) 2011年第2期27卷 140-143页

作者：徐勐吴建辉张萌东南大学国家专用集成电路系统工程技术研究中心南京210096

A modified benes network is proposed to be used as an optimal shuffle network in worldwide interoperability for microwave access （WiMAX） low density parity check （LDPC） decoders, When the size of the input is not a power of two, the modified benes network can achieve the most optimal performance. This modified benes network is non-blocking and can perform any sorts of permutations, so it can support 19 modes specified in the WiMAX system. Furthermore, an efficient algorithm to generate the control signals for all the 2 × 2 switches in this network is derived, which can reduce the hardware complexity and overall latency of the modified benes network. Synthesis results show that the proposed control signal generator can save 25.4% chip area and the overall network latency can be reduced by 36. 2%.

关键词： worldwide interoperability for microwave access(WiMAX) quasi-cycle low density parity check (QC-LDPC) LDPC decoder benes network

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