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http://dx.doi.org/10.5909/JBE.2008.13.5.677

Design of 3-Dimensional Orthogonal Frequency Division Multiplexing  

Kang, Seog-Geun (School of Electrical and Electronic Engineering Gyeongsang National University and Engineering Research Institute)
Publication Information
Journal of Broadcast Engineering / v.13, no.5, 2008 , pp. 677-680 More about this Journal
Abstract
In this paper, a new orthogonal frequency division multiplexing (OFDM) with 3-dimensional (3-D) signal mapper is proposed. Here, the signal mapper consists of signals on the surface of Poincare sphere. If the signal points are uniformly distributed and normalized to have the same average power, the minimum Euclidean distance of a 3-D constellation is much larger than that of a 2-D constellation. Computer simulation shows that the proposed OFDM has much improved error performance as compared with the conventional system.
Keywords
Wireless communication; orthogonal frequency division multiplexing; 3-D constellation; Polarization shift keying;
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