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Figure 4 shows the basic representation of a FBMC-OQAM transmultiplexer. The main blocks are the OQAM preprocessing or modulator block, the synthesis filter bank, the analysis filter bank, and OQAM postprocessing or demodulator.
The structure of a GFDM-OQAM transmultiplexer is similar to that of the FBMC-OQAM transmultiplexer shown in Figure 4.
Caption: Figure 4: Basic representation of a FBMC-OQAM transmultiplexer. This scheme shows the basic idea behind FBMC- OQAM, where each symbol of each subchannel is modulated as OQAM, multiplied by its corresponding subcarrier, and filtered by the prototype filter.
(2011) Artificial Bee Colony Algorithm for the Design of Multiplier-Less Nonuniform Filter Bank Transmultiplexer
. Information Sciences.
The fundamental parts of the FBMC/OQAM system are the synthesis filter bank (SFB) at the transmitter and the analysis filter bank (AFB) at the receiver, arranged in the so-called transmultiplexer (TMUX) configuration as shown in Figures 1 and 2.
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using maximally decimated filter banks with perfect /near-perfect reconstruction (PR/NPR) property, known as discrete wavelet multi-tone (DWMT), are the most desirable candidate for this application  as shown in the Fig.
De Courville, "Orthogonal transmultiplexers
in communication: a review," Signal Processing, IEEE Transactions on, vol.