A Decorrelating MUD Approach for the Downlink of UMTS Considering a Rake in the Receiver

Conference: PIMRC 2005 - 16th Annual IEEE International Symposium on Personal Indoor and Mobile Radio Communications
09/11/2005 - 09/14/2005 at Berlin, Germany

Proceedings: PIMRC 2005

Pages: 5Language: englishTyp: PDF

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Silva, Mário Marques da (Institute for Telecommunications, Lisboa, Portugal)
Correia, Américo M. C. (CAPS-IST, Lisboa, Portugal)
Dinis, Rui (ADETTI, Lisboa, Portugal)

The proposed Decorrelating Multi-User Detector (MUD) scheme allows the cancellation of both Multiple Access Interference (MAI) and Interpath Interference (IPI). The current approach considers the downlink environment of Universal Mobile Telecommunication Systems (UMTS), with a RAKE receiver in the Mobile Station (MS). A comparison is made with a Subtractive Interference Cancellation MUD. Moreover, to improve the performance, we consider a combination of the Decorrelating MUD with the Subtractive Interference Cancellation MUD.