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Conference Paper A New Design of OFDM for Ultra-Wideband Systems
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Authors
Eun Chang Choi, Jae Doo Huh, Seog Geun Kang
Issue Date
2009-01
Citation
International Conference on Consumer Electronics (ICCE) 2009, pp.1-2
Language
English
Type
Conference Paper
DOI
https://dx.doi.org/10.1109/ICCE.2009.5012223
Project Code
08MH1100, WPAN/WBAN Standardization Development, Huh Jae Doo
Abstract
In this paper, a three-dimensional (3-D) orthogonal frequency division multiplexing (OFDM) is introduced. In the new OFDM, a 3-D signal mapper and 2-D inverse discrete Fourier transform are used to allocate 3-D signals to OFDM subchannels and to modulate the signals, respectively. The minimum Euclidean distance of the 3-D signal mapper is much farther than that of the 2-D mapper if both mappers are normalized to have the same average power. As a result, the proposed OFDM has much improved error performance as compared with the conventional scheme. ©2009 IEEE.
KSP Keywords
3-D signal, Average Power, Error performance, Orthogonal frequency division Multiplexing(OFDM), Three dimensional(3D), Ultra-Wide Band(UWB), discrete Fourier Transform, minimum Euclidean distance, two-dimensional(2D), ultra-wideband system