Index Modulated MIMO GFDM Systems

This article presents an Index modulated MIMO-GFDM system. In addition to the diversity/multiplexing gains and appealing spectral characteristics typical of MIMO-GFDM systems, the use of index modulation (IM) applied to the subcarriers within a GFDM block results in attractive characteristics to the...

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Bibliographic Details
Main Authors: Calpa Juajinoy, Jose Luis, Sampaio-Neto, Raimundo, Cal-Braz, Joao Alfredo
Format: Conference Proceeding
Language:English
Subjects:
Bit error rate
Computational efficiency
Detectors
Indexes
Modulation
Propagation losses
Spectral efficiency
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Summary:This article presents an Index modulated MIMO-GFDM system. In addition to the diversity/multiplexing gains and appealing spectral characteristics typical of MIMO-GFDM systems, the use of index modulation (IM) applied to the subcarriers within a GFDM block results in attractive characteristics to the system, in terms of the spectral efficiency, detection performance and computational complexity. Two detection strategies for IM-MIMO-GFDM are presented, offering different detection performance and computation complexity balances. Ultimately, the computational results obtained offer a significant insight into the choice of the values of the index modulation block parameters in terms of achieving a favorable spectral efficiency/BER/computational complexity balance.
ISSN:2575-4912
DOI:10.1109/EuCNC/6GSummit51104.2021.9482544