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Capacity increase in the downlink of spread spectrum systems through joint signal precoding

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2 Author(s)
Barreto, A.N. ; IBM Zurich Res. Lab., Ruschlikon, Switzerland ; Fettweis, G.

In this paper we propose two precoding schemes for the downlink of CDMA systems which help reduce the multiuser interference by jointly precoding the transmitted signal based on knowledge of the downlink channel. These methods provide a substantial capacity increase without requiring complex multiuser detectors at the mobile terminals and can be applied for instance to TDD systems, which have symmetrical channels

Published in:

Communications, 2001. ICC 2001. IEEE International Conference on  (Volume:4 )

Date of Conference:

2001