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SINR‐based adaptive MIMO FBMC/OQAM transmission with automatic modulation classification
Author(s) -
Häring Lars
Publication year - 2018
Publication title -
transactions on emerging telecommunications technologies
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.366
H-Index - 47
ISSN - 2161-3915
DOI - 10.1002/ett.3541
Subject(s) - electronic engineering , mimo , computer science , link adaptation , subcarrier , interference (communication) , telecommunications , channel (broadcasting) , orthogonal frequency division multiplexing , engineering , fading
The performance of filter bank multicarrier offset quadrature‐amplitude modulation systems is known to be limited by intrinsic interference in highly frequency‐selective radio propagation conditions. In this article, a novel adaptive multiple‐input–multiple‐output (MIMO) filter bank multicarrier transmission system in time‐division duplex mode is analyzed in which filter bank‐based interference power is considered in the bit loading (BL) and automatic modulation classification (AMC) algorithm. In order to reduce the amount of intrinsic interference, a filter design for a general multitap MIMO channel equalization is elaborated. For this linear MIMO receiver technique, an analytical expression of the signal‐to‐interference‐and‐noise power ratio after equalization is described. Since BL and AMC rely on the information about the subcarrier link quality, the influence of residual interference on its performance in a MIMO setup is quantified. For a wireless local area network similar propagation scenario, incorporating the information about the interference power in the BL and AMC method results in a significant system performance improvement at high signal‐to‐noise power ratios.