An Hybrid PIC Based Receiver Using Code Estimation for HSDPA Multiuser Interference

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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Saadani, Ahmed; Chaufray, Jean-Marie (France Telecom Division R&D, 38-40 rue du Général Leclerc, 92794 Issy les Moulineaux, Cedex 9-France)

This paper deals with the cancellation of the interference caused by the HSDPA multicode and multiuser access on a frequency selective channel. Since HSDPA spreading codes are constant on one frame, the unknown codes can be estimated. An hybrid PIC/SIC receiver using two different soft interference cancellation methods is proposed. It outperforms the PIC and the LMMSE receivers for several scenarios.