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Nanostructured materials. --- Nanomaterials --- Nanometer materials --- Nanophase materials --- Nanostructure controlled materials --- Nanostructure materials --- Ultra-fine microstructure materials --- Microstructure --- Nanotechnology

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This brief examines recent developments in the Heterogeneous Vehicular NETworks (HETVNETs), integrating cellular networks with Dedicated Short-Range Communication (DSRC) for meeting the communications requirements of the Intelligent Transport System (ITS)services. Along with a review of recent literature, a unified framework of the HetVNET is presented. The brief focuses on introducing efficient MAC mechanisms for vehicular communications, including channel access protocols, broadcast/multicast protocols, the location-based channel congestion control scheme and the content-based resource allocation scheme. The cooperative communication between vehicles is discussed. This brief concludes with a discussion on future research directions, and provides the readers with useful insights into the future designs in the HetVNETs, to motivate new ideas for performance improvements in vehicular networks. .

Electrical Engineering --- Electrical & Computer Engineering --- Engineering & Applied Sciences --- Vehicular ad hoc networks (Computer networks) --- Intelligent transportation systems. --- Advanced Road Traffic Systems --- Advanced Transport Telematics --- ATT (Highway communications) --- Intelligent Road Transportation Systems --- Intelligent Vehicle Highway Systems --- IRTS (Highway communications) --- ITS (Highway communications) --- IVHS (Highway communications) --- Road Transport Informatics --- RTI (Highway communications) --- Vehicle Information and Communication Systems --- VICS (Highway communications) --- Intelligent vehicular ad hoc networks (Computer networks) --- Inter-vehicle ad-hoc networks --- VANETs --- Vehicluar networks (Computer networks) --- Electronics in transportation --- Highway communications --- Mobile communication systems --- Sociotechnical systems --- Ad hoc networks (Computer networks) --- Intelligent transportation systems --- Telecommunication. --- Computer Communication Networks. --- Communications Engineering, Networks. --- Electric communication --- Mass communication --- Telecom --- Telecommunication industry --- Telecommunications --- Communication --- Information theory --- Telecommuting --- Electrical engineering. --- Computer communication systems. --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Electronic systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Electronic data processing --- Network computers --- Electric engineering --- Engineering --- Distributed processing

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This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact

Science: general issues --- Natural nanomaterials --- Adsorption --- SEPARATION --- Catalysis --- Polymer Composites --- Structure --- hybrid materials

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This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact

Science: general issues --- Natural nanomaterials --- Adsorption --- SEPARATION --- Catalysis --- Polymer Composites --- Structure --- hybrid materials --- Natural nanomaterials --- Adsorption --- SEPARATION --- Catalysis --- Polymer Composites --- Structure --- hybrid materials

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Distributed generation of electric power --- Electric power distribution --- Communication of technical information