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|Title:||New geometrical interpretation of the decorrelator in multiuser CDMA||Authors:||Rasmussen, Lars K.
Lim, Teng J.
Alexander, Paul D.
|Issue Date:||1996||Citation:||Rasmussen, Lars K.,Lim, Teng J.,Alexander, Paul D. (1996). New geometrical interpretation of the decorrelator in multiuser CDMA. Conference Record / IEEE Global Telecommunications Conference 3 : 1561-1565. ScholarBank@NUS Repository.||Abstract:||In this paper we present a new geometrical interpretation of the multiuser CDMA decorrelator. This interpretation relates the output of the decorrelator to the subspace spanned by the spreading codes. The interpretation makes it clear that a decision feedback detector based on the soft outputs from a decorrelator and a multistage detector with a soft output first stage decorrelator do not provide any performance improvement over the single stage decorrelator. These conclusions are confirmed by analytical results.||Source Title:||Conference Record / IEEE Global Telecommunications Conference||URI:||http://scholarbank.nus.edu.sg/handle/10635/112352|
|Appears in Collections:||Staff Publications|
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