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A spatial-temporal decorrelating receiver for CDMA systems with base-station antenna arrays.

We investigate multiuser signal detection with a base-station antenna array for a synchronous DS-CDMA uplink using nonorthogonal codes in Rayleigh fading channels. We have developed a new formulation for a spatial-temporal decorrelating detector using the maximum-likelihood criteria. The detector is...

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Detalhes bibliográficos
Publicado no:	IEEE Transactions on communications 49, 2 (2001).
Autor principal:	Ruifeng Wang
Formato:	Artigo
Idioma:	English
Assuntos:	CDMA systems. Rayleigh fading channels. SAGE algorithm. SAGE-based decorrelating receiver. Asynchronous multipath fading channels. Base-station antenna arrays. Base-station antennas. Channel parameters. Iterative receiver convergence. Maximum-likelihood criteria. Multiuser signal detection. Near-far resistant detector. Nonorthogonal codes. Simulation results. Single-user receiver. Space-alternating generalized expectation-maximization. Spatial-temporal decorrelating receiver. Synchronous DS-CDMA uplink.