Full length article: Modulation-mode assignment for SVD-aided and BICM-assisted spatial division multiplexing

Authors:
Andreas Ahrens;Soon Xin Ng;Volker KüHn;Lajos Hanzo
Affiliations:
University of Rostock, Institute of Communications Engineering, Richard-Wagner-Street 31, 18119 Rostock, Germany;University of Southampton, Communications Research Group, Southampton, SO17 1BJ, United Kingdom;University of Rostock, Institute of Communications Engineering, Richard-Wagner-Street 31, 18119 Rostock, Germany;University of Southampton, Communications Research Group, Southampton, SO17 1BJ, United Kingdom
Venue:
Physical Communication
Year:
2008

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Abstract

In this contribution the number of activated MIMO layers and the number of bits per symbol along with the appropriate allocation of the transmit power and the rate of the BICM error correcting codes are jointly optimized under the constraint of a given fixed data throughput. The performance investigations are carried out by computer simulations and confirmed by the EXIT charts. Our results show that not necessarily all MIMO layers have to be activated in order to achieve the best BERs.