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Ultra-Wide-Band Propagation Channels

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Author

  • Andreas Molisch

Summary, in English

Understanding ultra-wide-band (UWB) propagation channels is a prerequisite for UWB system design as well as communication-theoretic and information-theoretic investigations. This paper surveys the fundamental properties of UWB channels, pointing out the differences to conventional channels. if the relative bandwidth is large, the propagation processes, and therefore path loss and shadowing, become frequency-dependent, and the well-known wide-sense stationary uncorrelated scattering model is not applicable anymore. if the absolute bandwidth is large, the shape of the impulse responses as well as the fading statistics change. This paper also describes methods for measuring UWB channels and extracing channel parameters. Throughout this paper, the relationship between channel properties and other areas of UWB research are pointed out.

Publishing year

2009

Language

English

Pages

353-371

Publication/Series

Proceedings of the IEEE

Volume

97

Issue

2

Document type

Journal article review

Publisher

IEEE Press

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • ultra-wide-band (UWB)
  • Channel model
  • propagation

Status

Published

Research group

  • Radio Systems

ISBN/ISSN/Other

  • ISSN: 0018-9219