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EURASIP Journal on Wireless Communications and Networking
Published in: EURASIP Journal on Wireless Communications and Networking 1/2010

Open Access 01-12-2010 | Research Article

Spatial Capacity of UWB Networks with Space-Time Focusing Transmission

Authors: Yafei Tian, Chenyang Yang

Published in: EURASIP Journal on Wireless Communications and Networking | Issue 1/2010

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Abstract

Space-time focusing transmission in impulse-radio ultra-wideband (IR-UWB) systems resorts to the large number of resolvable paths to reduce the interpulse interference as well as the multiuser interference and to simplify the receiver design. In this paper, we study the spatial capacity of IR-UWB systems with space-time focusing transmission where the users are randomly distributed. We will derive the power distribution of the aggregate interference and investigate the collision probability between the desired focusing peak signal and interference signals. The closed-form expressions of the upper and lower bound of the outage probability and the spatial capacity are obtained. Analysis results reveal the connections between the spatial capacity and various system parameters and channel conditions such as antenna number, frame length, path loss factor, and multipath delay spread, which provide design guidelines for IR-UWB networks.

Publisher note

To access the full article, please see PDF.
Open AccessThis article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://​creativecommons.​org/​licenses/​by/​2.​0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Metadata
Title
Spatial Capacity of UWB Networks with Space-Time Focusing Transmission
Authors
Yafei Tian
Chenyang Yang
Publication date
01-12-2010
Publisher
Springer International Publishing
DOI
https://doi.org/10.1155/2010/678490

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