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Spatial multiuser access with antenna diversity using singular value decomposition

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2 Author(s)
Joonsuk Kim ; STAR Lab., Stanford Univ., CA, USA ; J. M. Cioffi

Through the use of the spatial diversity, wireless transmission system capacity can increase dramatically. However, in the multiple-user environment, the system performance is limited by co-channel interference. Beamforming is typically used to suppress the interference, but it is not always able to process a multipath signal optimally, especially when the paths from each user arrive in an alternating fashion. This paper describes a spatial multi-user detection scheme using singular value decomposition that can outperform beamforming and space-time equalization. This spatial detection scheme is compatible with TDMA, FDMA or CDMA and greatly enhances performance

Published in:

Communications, 2000. ICC 2000. 2000 IEEE International Conference on  (Volume:3 )

Date of Conference:

2000