Title :
Robust MMSE linear precoding for Multiuser MISO systems with limited feedback and channel prediction
Author :
Castro, Paula M. ; Joham, Michael ; Castedo, Luis ; Utschick, Wolfgang
Author_Institution :
Univ. de A Coruna, A Coruna
Abstract :
In this paper we investigate the design of a robust MMSE linear precoding Multiuser Multiple Input Single Output (MU MISO) system with limited feedback that exploits multiple feedback vectors to improve the quality of the available CSI at transmission. We explain how to appropriately exploit this additional past channel information to design the channel estimator, rank basis reduction and the quantizer parameters.
Keywords :
channel estimation; least mean squares methods; linear codes; precoding; radio networks; CSI; channel estimator; channel prediction; limited feedback; multiple feedback vectors; multiuser MISO systems; multiuser multiple input single output system; quantizer parameters; rank basis reduction; robust MMSE linear precoding; Antennas and propagation; Base stations; Delay; Mobile antennas; Output feedback; Receiving antennas; Robustness; Transmitters; Transmitting antennas; Vectors;
Conference_Titel :
Personal, Indoor and Mobile Radio Communications, 2008. PIMRC 2008. IEEE 19th International Symposium on
Conference_Location :
Cannes
Print_ISBN :
978-1-4244-2643-0
Electronic_ISBN :
978-1-4244-2644-7
DOI :
10.1109/PIMRC.2008.4699794
