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In recent years, the ever-increasing demand for multimedia services, high mobility, and global connectivity has resulted in an explosion of new technologies for wireless communication systems. The design of all compo¬nents of wireless communication systems, ranging from digital modulation schemes over channel cod¬ing techniques up to higher layer protocols, is influenced by the propagation characteristics of the mobile chan¬nel. A thorough understanding of mobile channels is therefore crucial for the develop¬ment, performance optimization, and test of present as well as next generation mobile communication systems. This is the reason why exploring the mobile channel has always been a key research topic from the very beginning of mobile communications until today. Currently, the research on mobile channels involves a variety of challenging topics, such as the modeling of vehicular-to-vehicular channels, high-speed railway channels, power line communication channels, multiple-input multiple-output (MIMO) channels, air-to-ground channels for future unmanned aircraft systems, and indoor-to-outdoor channels, to name only a few. The objective of this special issue is first to capture the state of the art in the fascinating areas of propagation and mobile channel modeling and second to make recent research results readily com¬¬pre-hensible to a wide readership. To meet these objectives, this special issue is composed of seven articles providing an overview of the state-of-art research in propagation and mobile channel modeling.

International audience; In recent years, the ever-increasing demand for multimedia services, high mobility, and global connectivity has resulted in an explosion of new technologies for wireless communication systems. The design of all compo¬nents of wireless communication systems, ranging from digital modulation schemes over channel cod¬ing techniques up to higher layer protocols, is influenced by the propagation characteristics of the mobile chan¬nel. A thorough understanding of mobile channels is therefore crucial for the develop¬ment, performance optimization, and test of present as well as next generation mobile communication systems. This is the reason why exploring the mobile channel has always been a key research topic from the very beginning of mobile communications until today. Currently, the research on mobile channels involves a variety of challenging topics, such as the modeling of vehicular-to-vehicular channels, high-speed railway channels, power line communication channels, multiple-input multiple-output (MIMO) channels, air-to-ground channels for future unmanned aircraft systems, and indoor-to-outdoor channels, to name only a few. The objective of this special issue is first to capture the state of the art in the fascinating areas of propagation and mobile channel modeling and second to make recent research results readily com¬¬pre-hensible to a wide readership. To meet these objectives, this special issue is composed of seven articles providing an overview of the state-of-art research in propagation and mobile channel modeling.

International audience; In recent years, the ever-increasing demand for multimedia services, high mobility, and global connectivity has resulted in an explosion of new technologies for wireless communication systems. The design of all compo¬nents of wireless communication systems, ranging from digital modulation schemes over channel cod¬ing techniques up to higher layer protocols, is influenced by the propagation characteristics of the mobile chan¬nel. A thorough understanding of mobile channels is therefore crucial for the develop¬ment, performance optimization, and test of present as well as next generation mobile communication systems. This is the reason why exploring the mobile channel has always been a key research topic from the very beginning of mobile communications until today. Currently, the research on mobile channels involves a variety of challenging topics, such as the modeling of vehicular-to-vehicular channels, high-speed railway channels, power line communication channels, multiple-input multiple-output (MIMO) channels, air-to-ground channels for future unmanned aircraft systems, and indoor-to-outdoor channels, to name only a few. The objective of this special issue is first to capture the state of the art in the fascinating areas of propagation and mobile channel modeling and second to make recent research results readily com¬¬pre-hensible to a wide readership. To meet these objectives, this special issue is composed of seven articles providing an overview of the state-of-art research in propagation and mobile channel modeling.