Analytical Approach to Model the Fade Depth and the Fade Margin in UWB Channels

Author

Llano, Gonzalo ; Reig, Juan ; Rubio, Lorenzo

Author_Institution

Radio & Wireless Commun. Group, Univ. Politec. de Valencia, Valencia, Spain

Volume

59

Issue

9

fYear

2010

Firstpage

4214

Lastpage

4221

Abstract

In this paper, the variations of the ultrawideband (UWB) channel power as a function of the channel bandwidth are investigated. An analytical approach to characterize the fade depth and the fade margin due to small-scale fading in indoor environments is proposed. The approach is based on the IEEE 802.15.4a ultrawideband channel model and the assumption that the channel power can be modeled by a Gamma distribution. This analytical approach is checked by comparison with results derived through Monte Carlo simulations. The results show that the fade depth and the fade margin are closely related to the channel bandwidth. This analytical approach can be used to design and implement UWB communications systems.

Keywords

Monte Carlo methods; Nakagami channels; gamma distribution; indoor radio; ultra wideband communication; Gamma distribution; IEEE 802.15.4a; Monte Carlo simulations; Nakagami-m fading; UWB channels; UWB communications; channel bandwidth; fade depth; fade margin; indoor environments; ultrawideband channel; Analytical models; Approximation methods; Bandwidth; Channel models; Fading; Simulation; Ultra wideband communication; Fade depth; Nakagami- $m$ fading; fade margin; ultrawideband (UWB) channel power;

fLanguage

English

Journal_Title

Vehicular Technology, IEEE Transactions on

Publisher

ieee

ISSN

0018-9545

Type

jour

DOI

10.1109/TVT.2010.2070815

Filename

5559515