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On power reduction strategies for the multi-user downlink with decentralized receivers

: Haustein, T.; Schubert, M.; Boche, H.

IEEE Vehicular Technology Society -VTS-:
Technology innovations for a tetherless planet. The 57th IEEE Semiannual Vehicular Technology Conference, VTC 3003 Spring. Vol.2 : Jeju, Korea; April 22 - 25, 2003, International Convention Center, Jeju, Korea. Proceedings
Piscataway, NJ: IEEE, 2003
ISBN: 0-7803-7757-5
Vehicular Technology Conference (VTC) <57, 2003, Cheju, Korea>
Conference Paper
Fraunhofer HHI ()

Comparison of linear and non-linear precoding schemes was carried out. Linear precoding is not an option of choice for application except in very well conditioned transmission channels or with a high surpulus of transmit antennas. It was observed that suboptimal schemes like standard ranked known interference (RKI) and Tomlinson-Harashima-precoding (THP) can achieve a considerable transmit power reduction compared to linear channel inversion (LCI).