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Ultrawideband Propagation Channels-Theory, Measurement, and Modeling
Abstract
This paper presents an overview of ultrawideband (UWB) propagation channels. It first demonstrates how the frequency selectivity of propagation processes causes fundamental differences between UWB channels and "conventional" (narrowband) channels. The concept of pathloss has to be modified, and the well-known WSSUS model is not applicable anymore. The paper also describes deterministic and stochastic models for UWB channels, identifies the key parameters for the description of delay dispersion, attenuation, and directional characterization, and surveys the typical parameter values that have been measured. Measurement techniques and methods for extracting model parameters are also different in UWB channels; for example, the concepts of narrowband channel parameter estimation (e.g., maximum-likelihood estimation) have to be modified. Finally, channel models also have an important impact on the performance evaluation of various UWB systems.
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Citations
Cited by
Han, C., Bicen, A. O., & Akyildiz, I. F. (2015) · IEEE Transactions on Wireless Communications · doi:10.1109/twc.2014.2386335 · Cited by 489
Ultra-Wide-Band Propagation Channels
Molisch, A. F. (2009) · Proceedings of the IEEE · doi:10.1109/jproc.2008.2008836 · Cited by 366
Self-citationUWB Systems for Wireless Sensor Networks
Zhang, J., Orlik, P. V., Sahinoglu, Z., Molisch, A. F., & Kinney, P. (2009) · Proceedings of the IEEE · doi:10.1109/jproc.2008.2008786 · Cited by 356
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Metadata
- Authors
- Molisch, A. F.
- Venue
- IEEE Transactions on Vehicular Technology
- Published
- 2005-09
- Volume
- 54
- Issue
- 5
- Pages
- 1528-1545
- ISSN
- 0018-9545 (ISSN-L)
- OpenAlex
- W2128339739
- Cited by
- 747
- References
- 0
- FWCI
- 60.38
- Type
- journal article
- Language
- en
- Open access
- closed
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- Molisch, A. F. (2005). Ultrawideband Propagation Channels-Theory, Measurement, and Modeling. IEEE Transactions on Vehicular Technology. https://doi.org/10.1109/tvt.2005.856194
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