| Paper: | SAM-L1.2 | ||
| Session: | MIMO and Multi-Antenna Communications | ||
| Time: | Tuesday, May 16, 14:20 - 14:40 | ||
| Presentation: | Lecture | ||
| Topic: | Sensor Array and Multichannel Signal Processing: MIMO systems | ||
| Title: | Accurate Approximation of Error Probability on MIMO Channels and its Application to Adaptive Modulation and Antenna Selection | ||
| Authors: | Fatma Kharrat-Kammoun, Sandrine Fontenelle, Motorola, France; Joseph Boutros, ENST, France | ||
| Abstract: | An accurate approximation for the conditional error probability on quasi-static multiple antenna (MIMO) channels is proposed. For a fixed channel matrix, it is possible to accurately predict the performance of quadrature-amplitude modulations (QAM) transmitted over the MIMO channel in presence of additive white Gaussian noise. The tight approximation is based on a simple union bound for the point error probability in the $n$-dimensional real space. A Pohst or a Schnorr-Euchner lattice enumeration is used to limit the local Theta series inside a finite radius sphere. As applications to this approximation, we describe a new adaptive QAM modulation and a new antenna selection criterion. | ||
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