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Comparison of l-norm and l1-norm optimization for multi-antenna downlink transmission

: Boche, H.; Schubert, M.


IEEE International Symposium on Information Theory. Proceedings
Piscataway, NJ: IEEE Service Center, 2002
ISBN: 0-7803-7501-7
International Symposium on Information Theory (ISIT) <2002, Lausanne>
Conference Paper
Fraunhofer HHI ()

Comparison of I -Norm amd I1 -Norm optimization for multi-antenna downlink transmission was discussed. Independent data streams were submitted via an M-element antenna array to K non-cooperating signal antenna receivers. Results showed that the spatial diversity and processing gain are obtained by spreading signals in the spatial domain which may significantly improve the signal-to-interference-ratio (SIR).