Detection Opportunities for CDM-OFDMA

descriptionPublicationkeyboard_double_arrow_right Article , Conference object 08 Sep 2006 Germany Publisher:IEEEJournal:2006 IEEE 63rd Vehicular Technology Conference, volume 5, pages 2,114-2,118

Authors: Raulefs, Ronald; Dammann, Armin; Ayaz, Serkan;

doi: 10.1109/vetecs.2006.1683229

Detection Opportunities for CDM-OFDMA

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Abstract

In this paper, we present a synchronous code division multiplexing (CDM) scheme that uses orthogonal frequency division multiple access (OFDMA) to separate different users. The CDM component multiplies each data symbol with a different phase shift. This results in unique chips, which represent a new alphabet. The potential of this alphabet is shown by EXIT-charts. Therefore, the receiver can choose between an improved interference cancellation scheme as well as an iterative decoder. Latter does not rely on all chips of a spread sequence and increases the potential granularity of the CDM scheme

Country

Germany

Related Organizations

German Aerospace Center
Germany

Keywords

Rotated spreading, EXIT, CDD

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