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Effect of a Multi-Band OFDM-MIMO System on Frequency-Selective Propagation Characteristics
Mitsugu OHKAWA Ryuji KOHNO
IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1)
MIMO, OFDM, multi-band, frequency selected,
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A multi-band OFDM-MIMO system, in which the multi-band OFDM method is combined with the MIMO concept, has been developed. In this system, the spectra of multi-band OFDM signals are adaptively shared to improve the path gain for MIMO multiple transmission. The OFDM signal is divided into multi-bands, and the divided signals are transmitted on an appropriate beam in each multi-band. Multi-band transmission improves the overall transmission capacity by reducing the degradation of frequency-selective channels. In this paper, we report on our evaluation of the multi-band OFDM-MIMO system with frequency-selective fading channels.