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Transmit diversity schemes for an overloaded space-time spreading system over a flat Rayleigh fading channel

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2 Author(s)
Dianjun Chen ; Dept. of Electron. Eng., Electro-Commun. Univ., Tokyo, Japan ; T. Hashimoto

We consider two schemes for an overloaded space-time spreading system. One is to realize tradeoffs between the number of users and the diversity gain with constant signal amplitudes. Another is to achieve great diversity order by varying user signal amplitudes. For each scheme we give some simulation results.

Published in:

Personal, Indoor and Mobile Radio Communications, 2004. PIMRC 2004. 15th IEEE International Symposium on  (Volume:4 )

Date of Conference:

5-8 Sept. 2004