Power loss modelling of short-range ultra wideband pulse transmissions
Power loss modelling of short-range ultra wideband pulse transmissions
- Author(s): J. Liu ; M. Dohler ; B. Allen ; M. Ghavami
- DOI: 10.1049/ip-com:20050065
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- Author(s): J. Liu 1 ; M. Dohler 2 ; B. Allen 1 ; M. Ghavami 1
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View affiliations
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Affiliations:
1: Centre of Telecommunication Research, King's College London, London, UK
2: Centre of Telecommunication Research, France Télécom R&D, Meylan Cedex, France
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Affiliations:
1: Centre of Telecommunication Research, King's College London, London, UK
- Source:
Volume 153, Issue 1,
February 2006,
p.
143 – 152
DOI: 10.1049/ip-com:20050065 , Print ISSN 1350-2425, Online ISSN 1359-7019
Narrowband path loss models are not applicable to the link budget calculation of ultra wideband (UWB) signals. In the paper, a rigorous analysis reveals the power loss behaviour of short-range UWB pulse systems when operated in a rich multi-path environment. A novel breakpoint is derived that is within the vicinity of the transmitter, and is shown to influence the UWB link budget considerably. Furthermore, it is shown that the power delay profile does not generally follow a simple negative exponential dependency. Also, the effects of perfect and imperfect correlator onto the overall UWB pulse power loss are considered.
Inspec keywords: ultra wideband communication; multipath channels; radio links
Other keywords:
Subjects: Radio links and equipment
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