NDLI: Frequency-Dependent UWB Channel Characteristics in Office Environments

Content Provider	IEEE Xplore Digital Library
Author	Jinwon Choi Noh-Gyoung Kang Yu-Suk Sung Jun-Sung Kang Seong-Cheol Kim
Copyright Year	1967
Abstract	This paper reports frequency-dependent ultrawideband (UWB) channel characteristics. Measurements were performed in 103 receiver locations of six different office environments. From the measured data, the effect of frequency on the path-loss properties of a UWB signal is analyzed. After analyzing the path-loss behavior to propagation environments, the path-loss exponent variation models are developed in various environments as a function of frequency. Based on these models, path-loss prediction is performed, and the accuracy of the prediction is compared with those of existing path-loss models. In addition, the frequency-dependent UWB channel correlation characteristics are investigated. For the frequency correlation statistics of the UWB channel, double-slope models representing correlation coefficients are established with and without line-of-sight (LOS) paths. Using these correlation models, a channel gain estimation algorithm is proposed. The performance of the proposed estimation algorithm is evaluated with estimation parameters, and it is confirmed that the proposed estimation algorithm has better performance than the conventional algorithm using a linear interpolation algorithm.
Sponsorship	IEEE Vehicular Technology Society
Starting Page	3102
Ending Page	3111
Page Count	10
File Size	1153669
File Format	PDF
ISSN	00189545
Volume Number	58
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bandwidth Ultra wideband technology Frequency measurement Predictive models Frequency estimation Wireless communication Wireless sensor networks Frequency domain analysis Frequency diversity Ultra wideband communication ultrawideband (UWB) Channel estimation empirical channel modeling frequency-dependent channel
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Automotive Engineering Computer Networks and Communications Electrical and Electronic Engineering Aerospace Engineering

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