Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/62502
Title: Novel synchronous CDMA multiuser detection scheme: Orthogonal decision-feedback detection and its performance study
Authors: Chen, X.H. 
Keywords: CDMA
Decision feedback
Multiuser detection
Signal detection
Issue Date: 1997
Source: Chen, X.H. (1997). Novel synchronous CDMA multiuser detection scheme: Orthogonal decision-feedback detection and its performance study. IEE Proceedings: Communications 144 (4) : 275-280. ScholarBank@NUS Repository.
Abstract: The authors propose a novel multiuser detection scheme for synchronous DS/CDMA systems, the orthogonal decision-feedback detector (ODFD), which performs equally well as the decorrelating decision-feedback detector (DDFD) but with a much reduced complexity. The ODFD employs a match filter bank matching to a set of orthonormal sequences which are generated by the Gram-Schmidt orthogonalisation procedure based on spreading codes. The ODFD algorithm involves only the orthonormal coefficient matrix which requires no frequent recalculations even when system parameters change. Successive decision-feedback detection is performed immediately at the output of the ODFD match filter bank without the transform matrix which is required in the DDFD. © IEE, 1997.
Source Title: IEE Proceedings: Communications
URI: http://scholarbank.nus.edu.sg/handle/10635/62502
ISSN: 13502425
Appears in Collections:Staff Publications

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