Multidimensional 16-QAM labeling of BI-STCM-ID over 2x2 MIMO channel

Authors:
Maciej Krasicki
Affiliations:
Poznan University of Technology, Poznan, Poland
Venue:
Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly
Year:
2009

Citing 3
Cited 0

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A simple transmit diversity technique for wireless communications

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Abstract

This paper develops a new scheme of multidimensional labeling of Bit-Interleaved Space-Time Coded Modulation with Iterative Decoding (BI-STCM-ID), characterized by a high value of asymptotic coding gain. The Binary Swithing Algorithm is used for optimization. The system with 16-QAM modulation, two transmit and two receive antennas with the Alamouti Space-Time Block Code (STBC) is considered. The error-free feedback (EF) analysis shows that the new multidimensional scheme is greatly advantageous over extensively studied two-dimensional (2-D) labeling maps. The Monte Carlo simulation and the EXIT chart analysis support the work, displaying the system performance in the "waterfall" region.