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Conference Paper Adaptive rate MIMO system using space-time block mapping
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Authors
Kyu Jong Hwang, Sok-Kyu Lee, Kyung Hi Chang
Issue Date
2003-04
Citation
Vehicular Technology Conference (VTC) 2003 (Spring), pp.774-778
Publisher
IEEE
Language
English
Type
Conference Paper
DOI
https://dx.doi.org/10.1109/VETECS.2003.1207649
Abstract
The MIMO system employing multiple antennas at both the transmitter and the receiver increases the spectral efficiency greatly. But the spectral efficiency of MIMO system depends on spatial channel characteristics. So some kind of adaptive transmission is required according to spatial channel conditions. In this paper, we propose adaptive rate MIMO system using space-time block mapping. The rate is controlled by effective number of spatial channels. The effective number of spatial channels is determined from spatial channel characteristics and is integer number from 1 to the minimum number of transmit and receive antennas. By switching the MIMO mode adaptively according to spatial channel conditions, throughput can be maximized.
KSP Keywords
Adaptive Transmission, Adaptive rate, Block mapping, Channel Characteristics, MIMO system, Space time(ST), Spectral efficiency(SE), Time block, channel condition, multiple antennas